{
  "id": "/mosul/festivals/2073",
  "place": {
    "id": "99072",
    "slug": "mosul",
    "name": "Mosul",
    "region": "Nineveh, Iraq",
    "country": "IQ",
    "lat": 36.335,
    "lon": 43.11889,
    "elevation_m": 228,
    "tz": "Asia/Baghdad"
  },
  "year": 2073,
  "tradition": "smarta",
  "method": "pac-rp@2026.1",
  "ruleset": "2026.3-draft",
  "rulings": [
    {
      "id": "/mosul/festivals/2073/ekadashi?on=2073-01-04",
      "festival": "ekadashi",
      "name": "Saphalā Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-01-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20168,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-01-03T14:14:20+03:00",
          "utc": "2073-01-03T11:14:20Z",
          "ms": 3250667660472.9707
        },
        "end": {
          "local": "2073-01-04T12:55:52+03:00",
          "utc": "2073-01-04T09:55:52Z",
          "ms": 3250749352089.319
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-01-03T14:14:20+03:00",
          "utc": "2073-01-03T11:14:20Z",
          "ms": 3250667660472.9707
        },
        "end": {
          "local": "2073-01-04T12:55:52+03:00",
          "utc": "2073-01-04T09:55:52Z",
          "ms": 3250749352089.319
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-01-03",
          "window": {
            "start": {
              "local": "2073-01-03T07:19:39+03:00",
              "utc": "2073-01-03T04:19:39Z",
              "ms": 3250642779488.209
            },
            "end": {
              "local": "2073-01-03T07:19:39+03:00",
              "utc": "2073-01-03T04:19:39Z",
              "ms": 3250642779488.209
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2073-01-04",
          "window": {
            "start": {
              "local": "2073-01-04T07:19:44+03:00",
              "utc": "2073-01-04T04:19:44Z",
              "ms": 3250729184055.154
            },
            "end": {
              "local": "2073-01-04T07:19:44+03:00",
              "utc": "2073-01-04T04:19:44Z",
              "ms": 3250729184055.154
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 14:14 on Tue 3 Jan to 12:56 on Wed 4 Jan.",
          "fact": "2073-01-03T11:14:20Z → 2073-01-04T09:55:52Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:20 on the 3rd and 07:20 on the 4th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 3rd and is on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 20168 s"
        },
        {
          "step": "ruling",
          "text": "Saphalā Ekādaśī, Mosul, 2073: Wednesday 4 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": "2073-01-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-01-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Saphalā Ekādaśī 2073 falls on Wednesday 4 January. Ekādaśī runs from 14:14 on Tue 3 Jan to 12:56 on Wed 4 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-01-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/pradosha-vrata?on=2073-01-05",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-01-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18732,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-01-05T11:54:33+03:00",
          "utc": "2073-01-05T08:54:33Z",
          "ms": 3250832073214.8247
        },
        "end": {
          "local": "2073-01-06T11:14:02+03:00",
          "utc": "2073-01-06T08:14:02Z",
          "ms": 3250916042156.319
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-01-05T11:54:33+03:00",
          "utc": "2073-01-05T08:54:33Z",
          "ms": 3250832073214.8247
        },
        "end": {
          "local": "2073-01-06T11:14:02+03:00",
          "utc": "2073-01-06T08:14:02Z",
          "ms": 3250916042156.319
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-01-05",
          "window": {
            "start": {
              "local": "2073-01-05T17:06:45+03:00",
              "utc": "2073-01-05T14:06:45Z",
              "ms": 3250850805443.6724
            },
            "end": {
              "local": "2073-01-05T19:00:30+03:00",
              "utc": "2073-01-05T16:00:30Z",
              "ms": 3250857629691.4507
            }
          },
          "covered_min": 114,
          "window_min": 114,
          "qualifies": true
        },
        {
          "local_date": "2073-01-06",
          "window": {
            "start": {
              "local": "2073-01-06T17:07:38+03:00",
              "utc": "2073-01-06T14:07:38Z",
              "ms": 3250937258056.1133
            },
            "end": {
              "local": "2073-01-06T19:01:15+03:00",
              "utc": "2073-01-06T16:01:15Z",
              "ms": 3250944075110.4746
            }
          },
          "covered_min": 0,
          "window_min": 114,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 11:55 on Thu 5 Jan to 11:14 on Fri 6 Jan.",
          "fact": "2073-01-05T08:54:33Z → 2073-01-06T08:14:02Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:07–19:00 on the 5th, 17:08–19:01 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 114 of 114 minutes on the 5th and 0 of 114 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 18732 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 2073: Thursday 5 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": "2073-01-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-01-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 2073 falls on Thursday 5 January. Trayodaśī runs from 11:55 on Thu 5 Jan to 11:14 on Fri 6 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/pradosha-vrata?on=2073-01-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/shivaratri?on=2073-01-06",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-01-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37245,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2073-01-06T11:14:02+03:00",
          "utc": "2073-01-06T08:14:02Z",
          "ms": 3250916042156.319
        },
        "end": {
          "local": "2073-01-07T10:58:27+03:00",
          "utc": "2073-01-07T07:58:27Z",
          "ms": 3251001506649.633
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-01-06T11:14:02+03:00",
          "utc": "2073-01-06T08:14:02Z",
          "ms": 3250916042156.319
        },
        "end": {
          "local": "2073-01-07T10:58:27+03:00",
          "utc": "2073-01-07T07:58:27Z",
          "ms": 3251001506649.633
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2073-01-05",
          "window": {
            "start": {
              "local": "2073-01-05T23:49:16+03:00",
              "utc": "2073-01-05T20:49:16Z",
              "ms": 3250874956372.841
            },
            "end": {
              "local": "2073-01-06T00:37:16+03:00",
              "utc": "2073-01-05T21:37:16Z",
              "ms": 3250877836372.841
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-01-06",
          "window": {
            "start": {
              "local": "2073-01-06T23:49:42+03:00",
              "utc": "2073-01-06T20:49:42Z",
              "ms": 3250961382009.9688
            },
            "end": {
              "local": "2073-01-07T00:37:42+03:00",
              "utc": "2073-01-06T21:37:42Z",
              "ms": 3250964262009.9688
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 11:14 on Fri 6 Jan to 10:58 on Sat 7 Jan.",
          "fact": "2073-01-06T08:14:02Z → 2073-01-07T07:58:27Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:49–00:37 on the 5th, 23:50–00:38 on the 6th.",
          "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 5th and 48 of 48 on the 6th.",
          "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 37245 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Mosul, 2073: Friday 6 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-01-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-01-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śivarātri 2073 falls on Friday 6 January. Caturdaśī runs from 11:14 on Fri 6 Jan to 10:58 on Sat 7 Jan and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mosul/festivals/2073/shivaratri?on=2073-01-06",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/vinayaka-chaturthi?on=2073-01-12",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-01-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8971,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-01-11T15:09:19+03:00",
          "utc": "2073-01-11T12:09:19Z",
          "ms": 3251362158735.008
        },
        "end": {
          "local": "2073-01-12T17:28:56+03:00",
          "utc": "2073-01-12T14:28:56Z",
          "ms": 3251456936167.712
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-01-11T15:09:19+03:00",
          "utc": "2073-01-11T12:09:19Z",
          "ms": 3251362158735.008
        },
        "end": {
          "local": "2073-01-12T17:28:56+03:00",
          "utc": "2073-01-12T14:28:56Z",
          "ms": 3251456936167.712
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-01-11",
          "window": {
            "start": {
              "local": "2073-01-11T11:51:48+03:00",
              "utc": "2073-01-11T08:51:48Z",
              "ms": 3251350308062.0244
            },
            "end": {
              "local": "2073-01-11T12:39:48+03:00",
              "utc": "2073-01-11T09:39:48Z",
              "ms": 3251353188062.0244
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-01-12",
          "window": {
            "start": {
              "local": "2073-01-12T11:52:11+03:00",
              "utc": "2073-01-12T08:52:11Z",
              "ms": 3251436731390.1714
            },
            "end": {
              "local": "2073-01-12T12:40:11+03:00",
              "utc": "2073-01-12T09:40:11Z",
              "ms": 3251439611390.1714
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 15:09 on Wed 11 Jan to 17:29 on Thu 12 Jan.",
          "fact": "2073-01-11T12:09:19Z → 2073-01-12T14:28:56Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 11th, 11:52–12:40 on the 12th.",
          "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 11th and 48 of 48 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 8971 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Mosul, 2073: Thursday 12 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-01-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-01-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Vināyaka Caturthī 2073 falls on Thursday 12 January. Caturthī runs from 15:09 on Wed 11 Jan to 17:29 on Thu 12 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/vinayaka-chaturthi?on=2073-01-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/bhogi",
      "festival": "bhogi",
      "name": "Bhogi",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-01-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12260,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2073-01-14T13:50:52+03:00",
          "utc": "2073-01-14T10:50:52Z",
          "ms": 3251616651635.7925
        },
        "end": {
          "local": "2073-02-13T02:51:21+03:00",
          "utc": "2073-02-12T23:51:21Z",
          "ms": 3254169081497.3193
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2073-01-14T13:50:52+03:00",
          "utc": "2073-01-14T10:50:52Z",
          "ms": 3251616651635.7925
        },
        "end": {
          "local": "2073-01-14T13:50:52+03:00",
          "utc": "2073-01-14T10:50:52Z",
          "ms": 3251616651635.7925
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2073-01-14",
          "window": {
            "start": {
              "local": "2073-01-13T17:14:12+03:00",
              "utc": "2073-01-13T14:14:12Z",
              "ms": 3251542451982.4746
            },
            "end": {
              "local": "2073-01-14T17:15:11+03:00",
              "utc": "2073-01-14T14:15:11Z",
              "ms": 3251628911280.697
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        },
        {
          "local_date": "2073-01-15",
          "window": {
            "start": {
              "local": "2073-01-14T17:15:11+03:00",
              "utc": "2073-01-14T14:15:11Z",
              "ms": 3251628911280.697
            },
            "end": {
              "local": "2073-01-15T17:16:11+03:00",
              "utc": "2073-01-15T14:16:11Z",
              "ms": 3251715371181.2188
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "2073-01-14",
        "days": -1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 13:51 on Sat 14 Jan.",
          "fact": "2073-01-14T10:50:52Z · 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 17:15, and the day of the 15th ends at 17:16.",
          "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunset → only-day · margin 12260 s"
        },
        {
          "step": "counted",
          "text": "Bhogi is kept the day before Pongal: Saturday 14 January is the day taken above.",
          "fact": "follows: pongal − 1 d"
        },
        {
          "step": "ruling",
          "text": "Bhogi, Mosul, 2073: Friday 13 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "bhogi",
        "follows": {
          "festival": "pongal",
          "days": -1
        },
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        ],
        "rashi": "Makara",
        "day_from": "sunset"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2073-01-13",
          "statement": "Counted from midnight",
          "reference": {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        },
        {
          "kind": "reckoning",
          "id": "sunrise-day",
          "local_date": "2073-01-13",
          "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 Mosul, Bhogi 2073 falls on Friday 13 January. It is kept the day before Pongal, which falls on Saturday 14 January. The Sun enters Makara at 13:51 on Sat 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/pongal",
      "festival": "pongal",
      "name": "Pongal",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12260,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2073-01-14T13:50:52+03:00",
          "utc": "2073-01-14T10:50:52Z",
          "ms": 3251616651635.7925
        },
        "end": {
          "local": "2073-02-13T02:51:21+03:00",
          "utc": "2073-02-12T23:51:21Z",
          "ms": 3254169081497.3193
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2073-01-14T13:50:52+03:00",
          "utc": "2073-01-14T10:50:52Z",
          "ms": 3251616651635.7925
        },
        "end": {
          "local": "2073-01-14T13:50:52+03:00",
          "utc": "2073-01-14T10:50:52Z",
          "ms": 3251616651635.7925
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2073-01-14",
          "window": {
            "start": {
              "local": "2073-01-13T17:14:12+03:00",
              "utc": "2073-01-13T14:14:12Z",
              "ms": 3251542451982.4746
            },
            "end": {
              "local": "2073-01-14T17:15:11+03:00",
              "utc": "2073-01-14T14:15:11Z",
              "ms": 3251628911280.697
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        },
        {
          "local_date": "2073-01-15",
          "window": {
            "start": {
              "local": "2073-01-14T17:15:11+03:00",
              "utc": "2073-01-14T14:15:11Z",
              "ms": 3251628911280.697
            },
            "end": {
              "local": "2073-01-15T17:16:11+03:00",
              "utc": "2073-01-15T14:16:11Z",
              "ms": 3251715371181.2188
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 13:51 on Sat 14 Jan.",
          "fact": "2073-01-14T10:50:52Z · 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 17:15, and the day of the 15th ends at 17:16.",
          "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunset → only-day · margin 12260 s"
        },
        {
          "step": "ruling",
          "text": "Pongal, Mosul, 2073: Saturday 14 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "pongal",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        ],
        "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.",
        "rashi": "Makara",
        "day_from": "sunset"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2073-01-14",
          "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": "2073-01-14",
          "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 Mosul, Pongal 2073 falls on Saturday 14 January. The Sun enters Makara at 13:51 on Sat 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/makara-sankranti",
      "festival": "makara-sankranti",
      "name": "Makara Saṅkrānti",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36548,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2073-01-14T13:50:52+03:00",
          "utc": "2073-01-14T10:50:52Z",
          "ms": 3251616651635.7925
        },
        "end": {
          "local": "2073-02-13T02:51:21+03:00",
          "utc": "2073-02-12T23:51:21Z",
          "ms": 3254169081497.3193
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2073-01-14T13:50:52+03:00",
          "utc": "2073-01-14T10:50:52Z",
          "ms": 3251616651635.7925
        },
        "end": {
          "local": "2073-01-14T13:50:52+03:00",
          "utc": "2073-01-14T10:50:52Z",
          "ms": 3251616651635.7925
        }
      },
      "kaala": "civil-day",
      "days": [
        {
          "local_date": "2073-01-14",
          "window": {
            "start": {
              "local": "2073-01-14T00:00:00+03:00",
              "utc": "2073-01-13T21:00:00Z",
              "ms": 3251566800000
            },
            "end": {
              "local": "2073-01-15T00:00:00+03:00",
              "utc": "2073-01-14T21:00:00Z",
              "ms": 3251653200000
            }
          },
          "covered_min": 1,
          "window_min": 1440,
          "qualifies": true
        },
        {
          "local_date": "2073-01-15",
          "window": {
            "start": {
              "local": "2073-01-15T00:00:00+03:00",
              "utc": "2073-01-14T21:00:00Z",
              "ms": 3251653200000
            },
            "end": {
              "local": "2073-01-16T00:00:00+03:00",
              "utc": "2073-01-15T21:00:00Z",
              "ms": 3251739600000
            }
          },
          "covered_min": 0,
          "window_min": 1440,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 13:51 on Sat 14 Jan.",
          "fact": "2073-01-14T10:50:52Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from midnight to midnight, on the clock of Mosul.",
          "fact": "civil-day: midnight-to-midnight · Asia/Baghdad"
        },
        {
          "step": "rule",
          "text": "The festival is kept on the day of the transit, the day counted from midnight. The transit falls on the 14th, not the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from midnight → only-day · margin 36548 s"
        },
        {
          "step": "ruling",
          "text": "Makara Saṅkrānti, Mosul, 2073: Saturday 14 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "makara-sankranti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        ],
        "rashi": "Makara",
        "day_from": "midnight"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "sunrise-day",
          "local_date": "2073-01-14",
          "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": "2073-01-14",
          "statement": "Past sunset, the next day (the Tamil rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        }
      ],
      "quote": "In Mosul, Makara Saṅkrānti 2073 falls on Saturday 14 January. The Sun enters Makara at 13:51 on Sat 14 Jan, and the rule counts the day from midnight.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/mattu-pongal",
      "festival": "mattu-pongal",
      "name": "Mattu Pongal",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-01-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12260,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2073-01-14T13:50:52+03:00",
          "utc": "2073-01-14T10:50:52Z",
          "ms": 3251616651635.7925
        },
        "end": {
          "local": "2073-02-13T02:51:21+03:00",
          "utc": "2073-02-12T23:51:21Z",
          "ms": 3254169081497.3193
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2073-01-14T13:50:52+03:00",
          "utc": "2073-01-14T10:50:52Z",
          "ms": 3251616651635.7925
        },
        "end": {
          "local": "2073-01-14T13:50:52+03:00",
          "utc": "2073-01-14T10:50:52Z",
          "ms": 3251616651635.7925
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2073-01-14",
          "window": {
            "start": {
              "local": "2073-01-13T17:14:12+03:00",
              "utc": "2073-01-13T14:14:12Z",
              "ms": 3251542451982.4746
            },
            "end": {
              "local": "2073-01-14T17:15:11+03:00",
              "utc": "2073-01-14T14:15:11Z",
              "ms": 3251628911280.697
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        },
        {
          "local_date": "2073-01-15",
          "window": {
            "start": {
              "local": "2073-01-14T17:15:11+03:00",
              "utc": "2073-01-14T14:15:11Z",
              "ms": 3251628911280.697
            },
            "end": {
              "local": "2073-01-15T17:16:11+03:00",
              "utc": "2073-01-15T14:16:11Z",
              "ms": 3251715371181.2188
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "2073-01-14",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 13:51 on Sat 14 Jan.",
          "fact": "2073-01-14T10:50:52Z · 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 17:15, and the day of the 15th ends at 17:16.",
          "fact": "sunset-day: sunset-to-sunset · sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The festival is kept on the day of the transit, the day counted from the sunset before it: a transit after sunset belongs to the next day. The transit falls between the sunsets of the 13th and the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunset → only-day · margin 12260 s"
        },
        {
          "step": "counted",
          "text": "Mattu Pongal is kept the day after Pongal: Saturday 14 January is the day taken above.",
          "fact": "follows: pongal + 1 d"
        },
        {
          "step": "ruling",
          "text": "Mattu Pongal, Mosul, 2073: Sunday 15 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "mattu-pongal",
        "follows": {
          "festival": "pongal",
          "days": 1
        },
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        ],
        "rashi": "Makara",
        "day_from": "sunset"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2073-01-15",
          "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": "2073-01-15",
          "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 Mosul, Mattu Pongal 2073 falls on Sunday 15 January. It is kept the day after Pongal, which falls on Saturday 14 January. The Sun enters Makara at 13:51 on Sat 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/ekadashi?on=2073-01-19",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-01-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4667,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-01-19T05:57:51+03:00",
          "utc": "2073-01-19T02:57:51Z",
          "ms": 3252020271294.84
        },
        "end": {
          "local": "2073-01-20T05:58:41+03:00",
          "utc": "2073-01-20T02:58:41Z",
          "ms": 3252106721007.9595
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-01-19T05:57:51+03:00",
          "utc": "2073-01-19T02:57:51Z",
          "ms": 3252020271294.84
        },
        "end": {
          "local": "2073-01-20T05:58:41+03:00",
          "utc": "2073-01-20T02:58:41Z",
          "ms": 3252106721007.9595
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-01-19",
          "window": {
            "start": {
              "local": "2073-01-19T07:16:55+03:00",
              "utc": "2073-01-19T04:16:55Z",
              "ms": 3252025015283.636
            },
            "end": {
              "local": "2073-01-19T07:16:55+03:00",
              "utc": "2073-01-19T04:16:55Z",
              "ms": 3252025015283.636
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-01-20",
          "window": {
            "start": {
              "local": "2073-01-20T07:16:28+03:00",
              "utc": "2073-01-20T04:16:28Z",
              "ms": 3252111388389.714
            },
            "end": {
              "local": "2073-01-20T07:16:28+03:00",
              "utc": "2073-01-20T04:16:28Z",
              "ms": 3252111388389.714
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 05:58 on Thu 19 Jan to 05:59 on Fri 20 Jan.",
          "fact": "2073-01-19T02:57:51Z → 2073-01-20T02:58:41Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:17 on the 19th and 07:16 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 4667 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Mosul, 2073: Thursday 19 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": "2073-01-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-01-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Putradā Ekādaśī 2073 falls on Thursday 19 January. Ekādaśī runs from 05:58 on Thu 19 Jan to 05:59 on Fri 20 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-01-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/pradosha-vrata?on=2073-01-21",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-01-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30590,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-01-21T05:12:19+03:00",
          "utc": "2073-01-21T02:12:19Z",
          "ms": 3252190339022.8057
        },
        "end": {
          "local": "2073-01-22T03:43:16+03:00",
          "utc": "2073-01-22T00:43:16Z",
          "ms": 3252271396131.607
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-01-21T05:12:19+03:00",
          "utc": "2073-01-21T02:12:19Z",
          "ms": 3252190339022.8057
        },
        "end": {
          "local": "2073-01-22T03:43:16+03:00",
          "utc": "2073-01-22T00:43:16Z",
          "ms": 3252271396131.607
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-01-20",
          "window": {
            "start": {
              "local": "2073-01-20T17:21:18+03:00",
              "utc": "2073-01-20T14:21:18Z",
              "ms": 3252147678066.296
            },
            "end": {
              "local": "2073-01-20T19:12:36+03:00",
              "utc": "2073-01-20T16:12:36Z",
              "ms": 3252154355606.3765
            }
          },
          "covered_min": 0,
          "window_min": 111,
          "qualifies": false
        },
        {
          "local_date": "2073-01-21",
          "window": {
            "start": {
              "local": "2073-01-21T17:22:21+03:00",
              "utc": "2073-01-21T14:22:21Z",
              "ms": 3252234140610.226
            },
            "end": {
              "local": "2073-01-21T19:13:26+03:00",
              "utc": "2073-01-21T16:13:26Z",
              "ms": 3252240805727.262
            }
          },
          "covered_min": 111,
          "window_min": 111,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 05:12 on Sat 21 Jan to 03:43 on Sun 22 Jan.",
          "fact": "2073-01-21T02:12:19Z → 2073-01-22T00:43:16Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:21–19:13 on the 20th, 17:22–19:13 on the 21st.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 111 minutes on the 20th and 111 of 111 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 30590 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Mosul, 2073: Saturday 21 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": "2073-01-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-01-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śukla Pradoṣa Vrata 2073 falls on Saturday 21 January. Trayodaśī runs from 05:12 on Sat 21 Jan to 03:43 on Sun 22 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/pradosha-vrata?on=2073-01-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/sankashta-chaturthi?on=2073-01-26",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-01-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23162,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-01-26T14:13:04+03:00",
          "utc": "2073-01-26T11:13:04Z",
          "ms": 3252654783557.9604
        },
        "end": {
          "local": "2073-01-27T11:17:37+03:00",
          "utc": "2073-01-27T08:17:37Z",
          "ms": 3252730657121.276
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-01-26T14:13:04+03:00",
          "utc": "2073-01-26T11:13:04Z",
          "ms": 3252654783557.9604
        },
        "end": {
          "local": "2073-01-27T11:17:37+03:00",
          "utc": "2073-01-27T08:17:37Z",
          "ms": 3252730657121.276
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2073-01-26",
          "window": {
            "start": {
              "local": "2073-01-26T20:39:05+03:00",
              "utc": "2073-01-26T17:39:05Z",
              "ms": 3252677945335.2734
            },
            "end": {
              "local": "2073-01-26T20:39:05+03:00",
              "utc": "2073-01-26T17:39:05Z",
              "ms": 3252677945335.2734
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-01-27",
          "window": {
            "start": {
              "local": "2073-01-27T21:47:51+03:00",
              "utc": "2073-01-27T18:47:51Z",
              "ms": 3252768471210.961
            },
            "end": {
              "local": "2073-01-27T21:47:51+03:00",
              "utc": "2073-01-27T18:47:51Z",
              "ms": 3252768471210.961
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 14:13 on Thu 26 Jan to 11:18 on Fri 27 Jan.",
          "fact": "2073-01-26T11:13:04Z → 2073-01-27T08:17:37Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:39 on the 26th and 21:48 on the 27th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 26th and is not on the 27th.",
          "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 23162 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mosul, 2073: Thursday 26 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": "2073-01-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-01-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Saṅkaṣṭa Caturthī 2073 falls on Thursday 26 January. Caturthī runs from 14:13 on Thu 26 Jan to 11:18 on Fri 27 Jan and is current at moonrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/sankashta-chaturthi?on=2073-01-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/ekadashi?on=2073-02-02",
      "festival": "ekadashi",
      "name": "Ṣaṭtilā Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-02-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22707,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-02-02T00:49:30+03:00",
          "utc": "2073-02-01T21:49:30Z",
          "ms": 3253211370152.2495
        },
        "end": {
          "local": "2073-02-03T00:39:51+03:00",
          "utc": "2073-02-02T21:39:51Z",
          "ms": 3253297191264.0747
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-02-02T00:49:30+03:00",
          "utc": "2073-02-01T21:49:30Z",
          "ms": 3253211370152.2495
        },
        "end": {
          "local": "2073-02-03T00:39:51+03:00",
          "utc": "2073-02-02T21:39:51Z",
          "ms": 3253297191264.0747
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-02-02",
          "window": {
            "start": {
              "local": "2073-02-02T07:07:57+03:00",
              "utc": "2073-02-02T04:07:57Z",
              "ms": 3253234077266.511
            },
            "end": {
              "local": "2073-02-02T07:07:57+03:00",
              "utc": "2073-02-02T04:07:57Z",
              "ms": 3253234077266.511
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-02-03",
          "window": {
            "start": {
              "local": "2073-02-03T07:07:06+03:00",
              "utc": "2073-02-03T04:07:06Z",
              "ms": 3253320426496.6978
            },
            "end": {
              "local": "2073-02-03T07:07:06+03:00",
              "utc": "2073-02-03T04:07:06Z",
              "ms": 3253320426496.6978
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 00:50 on Thu 2 Feb to 00:40 on Fri 3 Feb.",
          "fact": "2073-02-01T21:49:30Z → 2073-02-02T21:39:51Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:08 on the 2nd and 07:07 on the 3rd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 2nd and is not on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 22707 s"
        },
        {
          "step": "ruling",
          "text": "Ṣaṭtilā Ekādaśī, Mosul, 2073: Thursday 2 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-02-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-02-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Ṣaṭtilā Ekādaśī 2073 falls on Thursday 2 February. Ekādaśī runs from 00:50 on Thu 2 Feb to 00:40 on Fri 3 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-02-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/pradosha-vrata?on=2073-02-04",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-02-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20086,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-02-04T00:58:55+03:00",
          "utc": "2073-02-03T21:58:55Z",
          "ms": 3253384735167.592
        },
        "end": {
          "local": "2073-02-05T01:46:11+03:00",
          "utc": "2073-02-04T22:46:11Z",
          "ms": 3253473970954.1006
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-02-04T00:58:55+03:00",
          "utc": "2073-02-03T21:58:55Z",
          "ms": 3253384735167.592
        },
        "end": {
          "local": "2073-02-05T01:46:11+03:00",
          "utc": "2073-02-04T22:46:11Z",
          "ms": 3253473970954.1006
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-02-03",
          "window": {
            "start": {
              "local": "2073-02-03T17:36:09+03:00",
              "utc": "2073-02-03T14:36:09Z",
              "ms": 3253358168675.0938
            },
            "end": {
              "local": "2073-02-03T19:24:09+03:00",
              "utc": "2073-02-03T16:24:09Z",
              "ms": 3253364649415.774
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        },
        {
          "local_date": "2073-02-04",
          "window": {
            "start": {
              "local": "2073-02-04T17:37:12+03:00",
              "utc": "2073-02-04T14:37:12Z",
              "ms": 3253444632461.301
            },
            "end": {
              "local": "2073-02-04T19:24:58+03:00",
              "utc": "2073-02-04T16:24:58Z",
              "ms": 3253451097532.376
            }
          },
          "covered_min": 108,
          "window_min": 108,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 00:59 on Sat 4 Feb to 01:46 on Sun 5 Feb.",
          "fact": "2073-02-03T21:58:55Z → 2073-02-04T22:46:11Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:36–19:24 on the 3rd, 17:37–19:25 on the 4th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 108 minutes on the 3rd and 108 of 108 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 20086 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 2073: Saturday 4 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": "2073-02-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-02-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 2073 falls on Saturday 4 February. Trayodaśī runs from 00:59 on Sat 4 Feb to 01:46 on Sun 5 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/pradosha-vrata?on=2073-02-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/yama-tarpana",
      "festival": "yama-tarpana",
      "name": "Yama Tarpaṇa",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-02-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8167,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2073-02-05T01:46:11+03:00",
          "utc": "2073-02-04T22:46:11Z",
          "ms": 3253473970954.1006
        },
        "end": {
          "local": "2073-02-06T03:00:49+03:00",
          "utc": "2073-02-06T00:00:49Z",
          "ms": 3253564848629.6694
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-02-05T01:46:11+03:00",
          "utc": "2073-02-04T22:46:11Z",
          "ms": 3253473970954.1006
        },
        "end": {
          "local": "2073-02-06T03:00:49+03:00",
          "utc": "2073-02-06T00:00:49Z",
          "ms": 3253564848629.6694
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2073-02-05",
          "window": {
            "start": {
              "local": "2073-02-05T05:17:35+03:00",
              "utc": "2073-02-05T02:17:35Z",
              "ms": 3253486655423.288
            },
            "end": {
              "local": "2073-02-05T07:05:20+03:00",
              "utc": "2073-02-05T04:05:20Z",
              "ms": 3253493120494.3633
            }
          },
          "covered_min": 108,
          "window_min": 108,
          "qualifies": true
        },
        {
          "local_date": "2073-02-06",
          "window": {
            "start": {
              "local": "2073-02-06T05:16:56+03:00",
              "utc": "2073-02-06T02:16:56Z",
              "ms": 3253573016089.77
            },
            "end": {
              "local": "2073-02-06T07:04:25+03:00",
              "utc": "2073-02-06T04:04:25Z",
              "ms": 3253579465316.663
            }
          },
          "covered_min": 0,
          "window_min": 107,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 01:46 on Sun 5 Feb to 03:01 on Mon 6 Feb.",
          "fact": "2073-02-04T22:46:11Z → 2073-02-06T00:00:49Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:18–07:05 on the 5th, 05:17–07:04 on the 6th.",
          "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 108 of 108 minutes on the 5th and 0 of 107 on the 6th.",
          "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 8167 s"
        },
        {
          "step": "ruling",
          "text": "Yama Tarpaṇa, Mosul, 2073: Sunday 5 February.",
          "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": "2073-02-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-02-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Yama Tarpaṇa 2073 falls on Sunday 5 February. Caturdaśī runs from 01:46 on Sun 5 Feb to 03:01 on Mon 6 Feb and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/shivaratri?on=2073-02-05",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-02-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3654,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2073-02-05T01:46:11+03:00",
          "utc": "2073-02-04T22:46:11Z",
          "ms": 3253473970954.1006
        },
        "end": {
          "local": "2073-02-06T03:00:49+03:00",
          "utc": "2073-02-06T00:00:49Z",
          "ms": 3253564848629.6694
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-02-05T01:46:11+03:00",
          "utc": "2073-02-04T22:46:11Z",
          "ms": 3253473970954.1006
        },
        "end": {
          "local": "2073-02-06T03:00:49+03:00",
          "utc": "2073-02-06T00:00:49Z",
          "ms": 3253564848629.6694
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2073-02-04",
          "window": {
            "start": {
              "local": "2073-02-04T23:57:16+03:00",
              "utc": "2073-02-04T20:57:16Z",
              "ms": 3253467436477.832
            },
            "end": {
              "local": "2073-02-05T00:45:16+03:00",
              "utc": "2073-02-04T21:45:16Z",
              "ms": 3253470316477.832
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-02-05",
          "window": {
            "start": {
              "local": "2073-02-05T23:57:21+03:00",
              "utc": "2073-02-05T20:57:21Z",
              "ms": 3253553840715.8135
            },
            "end": {
              "local": "2073-02-06T00:45:21+03:00",
              "utc": "2073-02-05T21:45:21Z",
              "ms": 3253556720715.8135
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 01:46 on Sun 5 Feb to 03:01 on Mon 6 Feb.",
          "fact": "2073-02-04T22:46:11Z → 2073-02-06T00:00:49Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:57–00:45 on the 4th, 23:57–00:45 on the 5th.",
          "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 4th and 48 of 48 on the 5th.",
          "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 3654 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Mosul, 2073: Sunday 5 February.",
          "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": "2073-02-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-02-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śivarātri 2073 falls on Sunday 5 February. Caturdaśī runs from 01:46 on Sun 5 Feb to 03:01 on Mon 6 Feb and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mosul/festivals/2073/shivaratri?on=2073-02-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/ganesha-jayanti",
      "festival": "ganesha-jayanti",
      "name": "Gaṇeśa Jayantī",
      "everyday": "Maghi Ganesh Jayanti",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-02-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 681,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-02-10T11:46:40+03:00",
          "utc": "2073-02-10T08:46:40Z",
          "ms": 3253942000450.294
        },
        "end": {
          "local": "2073-02-11T14:29:05+03:00",
          "utc": "2073-02-11T11:29:05Z",
          "ms": 3254038144897.6943
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-02-10T11:46:40+03:00",
          "utc": "2073-02-10T08:46:40Z",
          "ms": 3253942000450.294
        },
        "end": {
          "local": "2073-02-11T14:29:05+03:00",
          "utc": "2073-02-11T11:29:05Z",
          "ms": 3254038144897.6943
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-02-10",
          "window": {
            "start": {
              "local": "2073-02-10T11:58:01+03:00",
              "utc": "2073-02-10T08:58:01Z",
              "ms": 3253942681147.4023
            },
            "end": {
              "local": "2073-02-10T12:46:01+03:00",
              "utc": "2073-02-10T09:46:01Z",
              "ms": 3253945561147.4023
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-02-11",
          "window": {
            "start": {
              "local": "2073-02-11T11:58:01+03:00",
              "utc": "2073-02-11T08:58:01Z",
              "ms": 3254029081352.1226
            },
            "end": {
              "local": "2073-02-11T12:46:01+03:00",
              "utc": "2073-02-11T09:46:01Z",
              "ms": 3254031961352.1226
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "purvaviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:47 on Fri 10 Feb to 14:29 on Sat 11 Feb.",
          "fact": "2073-02-10T08:46:40Z → 2073-02-11T11:29:05Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 10th, 11:58–12:46 on the 11th.",
          "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 10th and 48 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify. Pūrvaviddhā: the first is taken.",
          "fact": "priority: purvaviddha → purvaviddha · margin 681 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Jayantī, Mosul, 2073: Friday 10 February.",
          "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": "2073-02-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-02-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2073 falls on Friday 10 February. Caturthī runs from 11:47 on Fri 10 Feb to 14:29 on Sat 11 Feb and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/tila-chaturthi",
      "festival": "tila-chaturthi",
      "name": "Tila Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-02-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11729,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-02-10T11:46:40+03:00",
          "utc": "2073-02-10T08:46:40Z",
          "ms": 3253942000450.294
        },
        "end": {
          "local": "2073-02-11T14:29:05+03:00",
          "utc": "2073-02-11T11:29:05Z",
          "ms": 3254038144897.6943
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-02-10T11:46:40+03:00",
          "utc": "2073-02-10T08:46:40Z",
          "ms": 3253942000450.294
        },
        "end": {
          "local": "2073-02-11T14:29:05+03:00",
          "utc": "2073-02-11T11:29:05Z",
          "ms": 3254038144897.6943
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-02-10",
          "window": {
            "start": {
              "local": "2073-02-10T17:43:32+03:00",
              "utc": "2073-02-10T14:43:32Z",
              "ms": 3253963411548.731
            },
            "end": {
              "local": "2073-02-10T19:29:39+03:00",
              "utc": "2073-02-10T16:29:39Z",
              "ms": 3253969779179.831
            }
          },
          "covered_min": 106,
          "window_min": 106,
          "qualifies": true
        },
        {
          "local_date": "2073-02-11",
          "window": {
            "start": {
              "local": "2073-02-11T17:44:34+03:00",
              "utc": "2073-02-11T14:44:34Z",
              "ms": 3254049873922.265
            },
            "end": {
              "local": "2073-02-11T19:30:25+03:00",
              "utc": "2073-02-11T16:30:25Z",
              "ms": 3254056224805.7646
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:47 on Fri 10 Feb to 14:29 on Sat 11 Feb.",
          "fact": "2073-02-10T08:46:40Z → 2073-02-11T11:29:05Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:44–19:30 on the 10th, 17:45–19:30 on the 11th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during pradoṣa. It covers 106 of 106 minutes on the 10th and 0 of 106 on the 11th.",
          "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 11729 s"
        },
        {
          "step": "ruling",
          "text": "Tila Caturthī, Mosul, 2073: Friday 10 February.",
          "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": "2073-02-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-02-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Tila Caturthī 2073 falls on Friday 10 February. Caturthī runs from 11:47 on Fri 10 Feb to 14:29 on Sat 11 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/shri-panchami",
      "festival": "shri-panchami",
      "name": "Śrī Pañcamī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-02-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6184,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2073-02-11T14:29:05+03:00",
          "utc": "2073-02-11T11:29:05Z",
          "ms": 3254038144897.6943
        },
        "end": {
          "local": "2073-02-12T17:06:02+03:00",
          "utc": "2073-02-12T14:06:02Z",
          "ms": 3254133961867.7544
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-02-11T14:29:05+03:00",
          "utc": "2073-02-11T11:29:05Z",
          "ms": 3254038144897.6943
        },
        "end": {
          "local": "2073-02-12T17:06:02+03:00",
          "utc": "2073-02-12T14:06:02Z",
          "ms": 3254133961867.7544
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-02-11",
          "window": {
            "start": {
              "local": "2073-02-11T11:58:01+03:00",
              "utc": "2073-02-11T08:58:01Z",
              "ms": 3254029081352.1226
            },
            "end": {
              "local": "2073-02-11T12:46:01+03:00",
              "utc": "2073-02-11T09:46:01Z",
              "ms": 3254031961352.1226
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-02-12",
          "window": {
            "start": {
              "local": "2073-02-12T11:58:01+03:00",
              "utc": "2073-02-12T08:58:01Z",
              "ms": 3254115480782.874
            },
            "end": {
              "local": "2073-02-12T12:46:01+03:00",
              "utc": "2073-02-12T09:46:01Z",
              "ms": 3254118360782.874
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 14:29 on Sat 11 Feb to 17:06 on Sun 12 Feb.",
          "fact": "2073-02-11T11:29:05Z → 2073-02-12T14:06:02Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 11th, 11:58–12:46 on the 12th.",
          "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 11th and 48 of 48 on the 12th.",
          "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 6184 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Pañcamī, Mosul, 2073: Sunday 12 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shri-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-02-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-02-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śrī Pañcamī 2073 falls on Sunday 12 February. Pañcamī runs from 14:29 on Sat 11 Feb to 17:06 on Sun 12 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/vasanta-panchami",
      "festival": "vasanta-panchami",
      "name": "Vasanta Pañcamī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-02-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6184,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2073-02-11T14:29:05+03:00",
          "utc": "2073-02-11T11:29:05Z",
          "ms": 3254038144897.6943
        },
        "end": {
          "local": "2073-02-12T17:06:02+03:00",
          "utc": "2073-02-12T14:06:02Z",
          "ms": 3254133961867.7544
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-02-11T14:29:05+03:00",
          "utc": "2073-02-11T11:29:05Z",
          "ms": 3254038144897.6943
        },
        "end": {
          "local": "2073-02-12T17:06:02+03:00",
          "utc": "2073-02-12T14:06:02Z",
          "ms": 3254133961867.7544
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-02-11",
          "window": {
            "start": {
              "local": "2073-02-11T11:58:01+03:00",
              "utc": "2073-02-11T08:58:01Z",
              "ms": 3254029081352.1226
            },
            "end": {
              "local": "2073-02-11T12:46:01+03:00",
              "utc": "2073-02-11T09:46:01Z",
              "ms": 3254031961352.1226
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-02-12",
          "window": {
            "start": {
              "local": "2073-02-12T11:58:01+03:00",
              "utc": "2073-02-12T08:58:01Z",
              "ms": 3254115480782.874
            },
            "end": {
              "local": "2073-02-12T12:46:01+03:00",
              "utc": "2073-02-12T09:46:01Z",
              "ms": 3254118360782.874
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 14:29 on Sat 11 Feb to 17:06 on Sun 12 Feb.",
          "fact": "2073-02-11T11:29:05Z → 2073-02-12T14:06:02Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 11th, 11:58–12:46 on the 12th.",
          "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 11th and 48 of 48 on the 12th.",
          "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 6184 s"
        },
        {
          "step": "ruling",
          "text": "Vasanta Pañcamī, Mosul, 2073: Sunday 12 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vasanta-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-02-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-02-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Vasanta Pañcamī 2073 falls on Sunday 12 February. Pañcamī runs from 14:29 on Sat 11 Feb to 17:06 on Sun 12 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/ratha-saptami",
      "festival": "ratha-saptami",
      "name": "Ratha Saptamī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-02-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28419,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2073-02-13T19:25:43+03:00",
          "utc": "2073-02-13T16:25:43Z",
          "ms": 3254228743014.93
        },
        "end": {
          "local": "2073-02-14T21:16:29+03:00",
          "utc": "2073-02-14T18:16:29Z",
          "ms": 3254321789170.454
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-02-13T19:25:43+03:00",
          "utc": "2073-02-13T16:25:43Z",
          "ms": 3254228743014.93
        },
        "end": {
          "local": "2073-02-14T21:16:29+03:00",
          "utc": "2073-02-14T18:16:29Z",
          "ms": 3254321789170.454
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2073-02-14",
          "window": {
            "start": {
              "local": "2073-02-14T05:10:58+03:00",
              "utc": "2073-02-14T02:10:58Z",
              "ms": 3254263858385.94
            },
            "end": {
              "local": "2073-02-14T06:56:15+03:00",
              "utc": "2073-02-14T03:56:15Z",
              "ms": 3254270175396.154
            }
          },
          "covered_min": 105,
          "window_min": 105,
          "qualifies": true
        },
        {
          "local_date": "2073-02-15",
          "window": {
            "start": {
              "local": "2073-02-15T05:10:09+03:00",
              "utc": "2073-02-15T02:10:09Z",
              "ms": 3254350208643.524
            },
            "end": {
              "local": "2073-02-15T06:55:09+03:00",
              "utc": "2073-02-15T03:55:09Z",
              "ms": 3254356508539.9478
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 19:26 on Mon 13 Feb to 21:16 on Tue 14 Feb.",
          "fact": "2073-02-13T16:25:43Z → 2073-02-14T18:16:29Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:11–06:56 on the 14th, 05:10–06:55 on the 15th.",
          "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 105 of 105 minutes on the 14th and 0 of 105 on the 15th.",
          "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 28419 s"
        },
        {
          "step": "ruling",
          "text": "Ratha Saptamī, Mosul, 2073: Tuesday 14 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": "2073-02-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-02-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Ratha Saptamī 2073 falls on Tuesday 14 February. Saptamī runs from 19:26 on Mon 13 Feb to 21:16 on Tue 14 Feb and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/ekadashi?on=2073-02-18",
      "festival": "ekadashi",
      "name": "Jayā Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-02-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29974,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-02-17T22:32:07+03:00",
          "utc": "2073-02-17T19:32:07Z",
          "ms": 3254585527135.3467
        },
        "end": {
          "local": "2073-02-18T21:21:24+03:00",
          "utc": "2073-02-18T18:21:24Z",
          "ms": 3254667683653.5825
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-02-17T22:32:07+03:00",
          "utc": "2073-02-17T19:32:07Z",
          "ms": 3254585527135.3467
        },
        "end": {
          "local": "2073-02-18T21:21:24+03:00",
          "utc": "2073-02-18T18:21:24Z",
          "ms": 3254667683653.5825
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-02-18",
          "window": {
            "start": {
              "local": "2073-02-18T06:51:41+03:00",
              "utc": "2073-02-18T03:51:41Z",
              "ms": 3254615501239.058
            },
            "end": {
              "local": "2073-02-18T06:51:41+03:00",
              "utc": "2073-02-18T03:51:41Z",
              "ms": 3254615501239.058
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-02-19",
          "window": {
            "start": {
              "local": "2073-02-19T06:50:30+03:00",
              "utc": "2073-02-19T03:50:30Z",
              "ms": 3254701830006.2065
            },
            "end": {
              "local": "2073-02-19T06:50:30+03:00",
              "utc": "2073-02-19T03:50:30Z",
              "ms": 3254701830006.2065
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 22:32 on Fri 17 Feb to 21:21 on Sat 18 Feb.",
          "fact": "2073-02-17T19:32:07Z → 2073-02-18T18:21:24Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:52 on the 18th and 06:51 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 29974 s"
        },
        {
          "step": "ruling",
          "text": "Jayā Ekādaśī, Mosul, 2073: Saturday 18 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-02-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-02-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Jayā Ekādaśī 2073 falls on Saturday 18 February. Ekādaśī runs from 22:32 on Fri 17 Feb to 21:21 on Sat 18 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-02-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/bhishma-dvadashi",
      "festival": "bhishma-dvadashi",
      "name": "Bhīṣma Dvādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-02-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24047,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2073-02-18T21:21:24+03:00",
          "utc": "2073-02-18T18:21:24Z",
          "ms": 3254667683653.5825
        },
        "end": {
          "local": "2073-02-19T19:26:23+03:00",
          "utc": "2073-02-19T16:26:23Z",
          "ms": 3254747182976.286
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-02-18T21:21:24+03:00",
          "utc": "2073-02-18T18:21:24Z",
          "ms": 3254667683653.5825
        },
        "end": {
          "local": "2073-02-19T19:26:23+03:00",
          "utc": "2073-02-19T16:26:23Z",
          "ms": 3254747182976.286
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-02-18",
          "window": {
            "start": {
              "local": "2073-02-18T11:57:42+03:00",
              "utc": "2073-02-18T08:57:42Z",
              "ms": 3254633861652.8604
            },
            "end": {
              "local": "2073-02-18T12:45:42+03:00",
              "utc": "2073-02-18T09:45:42Z",
              "ms": 3254636741652.8604
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-02-19",
          "window": {
            "start": {
              "local": "2073-02-19T11:57:36+03:00",
              "utc": "2073-02-19T08:57:36Z",
              "ms": 3254720255960.0215
            },
            "end": {
              "local": "2073-02-19T12:45:36+03:00",
              "utc": "2073-02-19T09:45:36Z",
              "ms": 3254723135960.0215
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 21:21 on Sat 18 Feb to 19:26 on Sun 19 Feb.",
          "fact": "2073-02-18T18:21:24Z → 2073-02-19T16:26:23Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 18th, 11:58–12:46 on the 19th.",
          "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 18th and 48 of 48 on the 19th.",
          "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 24047 s"
        },
        {
          "step": "ruling",
          "text": "Bhīṣma Dvādaśī, Mosul, 2073: Sunday 19 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": "2073-02-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-02-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Bhīṣma Dvādaśī 2073 falls on Sunday 19 February. Dvādaśī runs from 21:21 on Sat 18 Feb to 19:26 on Sun 19 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/pradosha-vrata?on=2073-02-19",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-02-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 592,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-02-19T19:26:23+03:00",
          "utc": "2073-02-19T16:26:23Z",
          "ms": 3254747182976.286
        },
        "end": {
          "local": "2073-02-20T16:53:27+03:00",
          "utc": "2073-02-20T13:53:27Z",
          "ms": 3254824407199.5337
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-02-19T19:26:23+03:00",
          "utc": "2073-02-19T16:26:23Z",
          "ms": 3254747182976.286
        },
        "end": {
          "local": "2073-02-20T16:53:27+03:00",
          "utc": "2073-02-20T13:53:27Z",
          "ms": 3254824407199.5337
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-02-19",
          "window": {
            "start": {
              "local": "2073-02-19T17:52:42+03:00",
              "utc": "2073-02-19T14:52:42Z",
              "ms": 3254741561913.837
            },
            "end": {
              "local": "2073-02-19T19:36:15+03:00",
              "utc": "2073-02-19T16:36:15Z",
              "ms": 3254747774693.952
            }
          },
          "covered_min": 10,
          "window_min": 104,
          "qualifies": true
        },
        {
          "local_date": "2073-02-20",
          "window": {
            "start": {
              "local": "2073-02-20T17:53:41+03:00",
              "utc": "2073-02-20T14:53:41Z",
              "ms": 3254828021420.143
            },
            "end": {
              "local": "2073-02-20T19:36:57+03:00",
              "utc": "2073-02-20T16:36:57Z",
              "ms": 3254834216504.145
            }
          },
          "covered_min": 0,
          "window_min": 103,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 19:26 on Sun 19 Feb to 16:53 on Mon 20 Feb.",
          "fact": "2073-02-19T16:26:23Z → 2073-02-20T13:53:27Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:53–19:36 on the 19th, 17:54–19:37 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 10 of 104 minutes on the 19th and 0 of 103 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 592 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Mosul, 2073: Sunday 19 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": "2073-02-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-02-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śukla Pradoṣa Vrata 2073 falls on Sunday 19 February. Trayodaśī runs from 19:26 on Sun 19 Feb to 16:53 on Mon 20 Feb and covers 10 of 104 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/pradosha-vrata?on=2073-02-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/maghi-purnima",
      "festival": "maghi-purnima",
      "name": "Māghī Pūrṇimā",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-02-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3919,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2073-02-21T13:50:41+03:00",
          "utc": "2073-02-21T10:50:41Z",
          "ms": 3254899841184.469
        },
        "end": {
          "local": "2073-02-22T10:27:13+03:00",
          "utc": "2073-02-22T07:27:13Z",
          "ms": 3254974032887.552
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-02-21T13:50:41+03:00",
          "utc": "2073-02-21T10:50:41Z",
          "ms": 3254899841184.469
        },
        "end": {
          "local": "2073-02-22T10:27:13+03:00",
          "utc": "2073-02-22T07:27:13Z",
          "ms": 3254974032887.552
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-02-21",
          "window": {
            "start": {
              "local": "2073-02-21T11:57:23+03:00",
              "utc": "2073-02-21T08:57:23Z",
              "ms": 3254893042568.793
            },
            "end": {
              "local": "2073-02-21T12:45:23+03:00",
              "utc": "2073-02-21T09:45:23Z",
              "ms": 3254895922568.793
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-02-22",
          "window": {
            "start": {
              "local": "2073-02-22T11:57:15+03:00",
              "utc": "2073-02-22T08:57:15Z",
              "ms": 3254979434909.283
            },
            "end": {
              "local": "2073-02-22T12:45:15+03:00",
              "utc": "2073-02-22T09:45:15Z",
              "ms": 3254982314909.283
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 13:51 on Tue 21 Feb to 10:27 on Wed 22 Feb.",
          "fact": "2073-02-21T10:50:41Z → 2073-02-22T07:27:13Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 21st, 11:57–12:45 on the 22nd.",
          "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 21st and 0 of 48 on the 22nd.",
          "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 3919 s"
        },
        {
          "step": "ruling",
          "text": "Māghī Pūrṇimā, Mosul, 2073: Wednesday 22 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": "2073-02-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-02-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Māghī Pūrṇimā 2073 falls on Wednesday 22 February. Pūrṇimā runs from 13:51 on Tue 21 Feb to 10:27 on Wed 22 Feb, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/sankashta-chaturthi?on=2073-02-24",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-02-24",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 4056,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-02-24T23:49:41+03:00",
          "utc": "2073-02-24T20:49:41Z",
          "ms": 3255194981033.824
        },
        "end": {
          "local": "2073-02-25T20:39:56+03:00",
          "utc": "2073-02-25T17:39:56Z",
          "ms": 3255269996212.9653
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-02-24T23:49:41+03:00",
          "utc": "2073-02-24T20:49:41Z",
          "ms": 3255194981033.824
        },
        "end": {
          "local": "2073-02-25T20:39:56+03:00",
          "utc": "2073-02-25T17:39:56Z",
          "ms": 3255269996212.9653
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2073-02-24",
          "window": {
            "start": {
              "local": "2073-02-24T20:37:57+03:00",
              "utc": "2073-02-24T17:37:57Z",
              "ms": 3255183476863.8247
            },
            "end": {
              "local": "2073-02-24T20:37:57+03:00",
              "utc": "2073-02-24T17:37:57Z",
              "ms": 3255183476863.8247
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2073-02-25",
          "window": {
            "start": {
              "local": "2073-02-25T21:47:32+03:00",
              "utc": "2073-02-25T18:47:32Z",
              "ms": 3255274052097.1855
            },
            "end": {
              "local": "2073-02-25T21:47:32+03:00",
              "utc": "2073-02-25T18:47:32Z",
              "ms": 3255274052097.1855
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:50 on Fri 24 Feb to 20:40 on Sat 25 Feb.",
          "fact": "2073-02-24T20:49:41Z → 2073-02-25T17:39:56Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:38 on the 24th and 21:48 on the 25th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 24th and is not on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Neither moonrise qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 4056 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mosul, 2073: Friday 24 February.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-02-24",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-02-24",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mosul, Saṅkaṣṭa Caturthī 2073 falls on Friday 24 February. Caturthī runs from 23:50 on Fri 24 Feb to 20:40 on Sat 25 Feb, and is current at moonrise on neither day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/sankashta-chaturthi?on=2073-02-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/ekadashi?on=2073-03-04",
      "festival": "ekadashi",
      "name": "Vijayā Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-03-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25502,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-03-03T13:40:09+03:00",
          "utc": "2073-03-03T10:40:09Z",
          "ms": 3255763209110.779
        },
        "end": {
          "local": "2073-03-04T14:46:22+03:00",
          "utc": "2073-03-04T11:46:22Z",
          "ms": 3255853581701.454
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-03-03T13:40:09+03:00",
          "utc": "2073-03-03T10:40:09Z",
          "ms": 3255763209110.779
        },
        "end": {
          "local": "2073-03-04T14:46:22+03:00",
          "utc": "2073-03-04T11:46:22Z",
          "ms": 3255853581701.454
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-03-03",
          "window": {
            "start": {
              "local": "2073-03-03T06:35:07+03:00",
              "utc": "2073-03-03T03:35:07Z",
              "ms": 3255737706706.682
            },
            "end": {
              "local": "2073-03-03T06:35:07+03:00",
              "utc": "2073-03-03T03:35:07Z",
              "ms": 3255737706706.682
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2073-03-04",
          "window": {
            "start": {
              "local": "2073-03-04T06:33:45+03:00",
              "utc": "2073-03-04T03:33:45Z",
              "ms": 3255824025092.7095
            },
            "end": {
              "local": "2073-03-04T06:33:45+03:00",
              "utc": "2073-03-04T03:33:45Z",
              "ms": 3255824025092.7095
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 13:40 on Fri 3 Mar to 14:46 on Sat 4 Mar.",
          "fact": "2073-03-03T10:40:09Z → 2073-03-04T11:46:22Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:35 on the 3rd and 06:34 on the 4th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 3rd and is on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 25502 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Ekādaśī, Mosul, 2073: Saturday 4 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": "2073-03-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-03-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Vijayā Ekādaśī 2073 falls on Saturday 4 March. Ekādaśī runs from 13:40 on Fri 3 Mar to 14:46 on Sat 4 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-03-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/pradosha-vrata?on=2073-03-05",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-03-05",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1071,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-03-05T16:23:20+03:00",
          "utc": "2073-03-05T13:23:20Z",
          "ms": 3255945799875.626
        },
        "end": {
          "local": "2073-03-06T18:24:53+03:00",
          "utc": "2073-03-06T15:24:53Z",
          "ms": 3256039492855.0083
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-03-05T16:23:20+03:00",
          "utc": "2073-03-05T13:23:20Z",
          "ms": 3255945799875.626
        },
        "end": {
          "local": "2073-03-06T18:24:53+03:00",
          "utc": "2073-03-06T15:24:53Z",
          "ms": 3256039492855.0083
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-03-05",
          "window": {
            "start": {
              "local": "2073-03-05T18:06:06+03:00",
              "utc": "2073-03-05T15:06:06Z",
              "ms": 3255951966275.788
            },
            "end": {
              "local": "2073-03-05T19:45:25+03:00",
              "utc": "2073-03-05T16:45:25Z",
              "ms": 3255957925462.75
            }
          },
          "covered_min": 99,
          "window_min": 99,
          "qualifies": true
        },
        {
          "local_date": "2073-03-06",
          "window": {
            "start": {
              "local": "2073-03-06T18:07:02+03:00",
              "utc": "2073-03-06T15:07:02Z",
              "ms": 3256038421540.6562
            },
            "end": {
              "local": "2073-03-06T19:46:02+03:00",
              "utc": "2073-03-06T16:46:02Z",
              "ms": 3256044362259.886
            }
          },
          "covered_min": 18,
          "window_min": 99,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 16:23 on Sun 5 Mar to 18:25 on Mon 6 Mar.",
          "fact": "2073-03-05T13:23:20Z → 2073-03-06T15:24:53Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:45 on the 5th, 18:07–19:46 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 99 of 99 minutes on the 5th and 18 of 99 on the 6th.",
          "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 1071 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 2073: Sunday 5 March.",
          "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": "2073-03-05",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-03-05",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 2073 falls on Sunday 5 March. Trayodaśī runs from 16:23 on Sun 5 Mar to 18:25 on Mon 6 Mar and covers all of pradoṣa that evening. It also reaches the next evening for 18 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/mosul/festivals/2073/pradosha-vrata?on=2073-03-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/maha-shivaratri",
      "festival": "maha-shivaratri",
      "name": "Mahāśivarātri",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-03-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11365,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2073-03-06T18:24:53+03:00",
          "utc": "2073-03-06T15:24:53Z",
          "ms": 3256039492855.0083
        },
        "end": {
          "local": "2073-03-07T20:44:40+03:00",
          "utc": "2073-03-07T17:44:40Z",
          "ms": 3256134279950.368
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-03-06T18:24:53+03:00",
          "utc": "2073-03-06T15:24:53Z",
          "ms": 3256039492855.0083
        },
        "end": {
          "local": "2073-03-07T20:44:40+03:00",
          "utc": "2073-03-07T17:44:40Z",
          "ms": 3256134279950.368
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2073-03-06",
          "window": {
            "start": {
              "local": "2073-03-06T23:54:19+03:00",
              "utc": "2073-03-06T20:54:19Z",
              "ms": 3256059259237.7695
            },
            "end": {
              "local": "2073-03-07T00:42:19+03:00",
              "utc": "2073-03-06T21:42:19Z",
              "ms": 3256062139237.7695
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-03-07",
          "window": {
            "start": {
              "local": "2073-03-07T23:54:05+03:00",
              "utc": "2073-03-07T20:54:05Z",
              "ms": 3256145644870.5815
            },
            "end": {
              "local": "2073-03-08T00:42:05+03:00",
              "utc": "2073-03-07T21:42:05Z",
              "ms": 3256148524870.5815
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 18:25 on Mon 6 Mar to 20:45 on Tue 7 Mar.",
          "fact": "2073-03-06T15:24:53Z → 2073-03-07T17:44:40Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:54–00:42 on the 6th, 23:54–00:42 on the 7th.",
          "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 6th and 0 of 48 on the 7th.",
          "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 11365 s"
        },
        {
          "step": "ruling",
          "text": "Mahāśivarātri, Mosul, 2073: Monday 6 March.",
          "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": "2073-03-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-03-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Mahāśivarātri 2073 falls on Monday 6 March. Caturdaśī runs from 18:25 on Mon 6 Mar to 20:45 on Tue 7 Mar and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/vinayaka-chaturthi?on=2073-03-12",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-03-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9111,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-03-12T07:03:43+03:00",
          "utc": "2073-03-12T04:03:43Z",
          "ms": 3256517023353.1333
        },
        "end": {
          "local": "2073-03-13T09:21:24+03:00",
          "utc": "2073-03-13T06:21:24Z",
          "ms": 3256611684156.098
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-03-12T07:03:43+03:00",
          "utc": "2073-03-12T04:03:43Z",
          "ms": 3256517023353.1333
        },
        "end": {
          "local": "2073-03-13T09:21:24+03:00",
          "utc": "2073-03-13T06:21:24Z",
          "ms": 3256611684156.098
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-03-12",
          "window": {
            "start": {
              "local": "2073-03-12T11:53:31+03:00",
              "utc": "2073-03-12T08:53:31Z",
              "ms": 3256534410810.87
            },
            "end": {
              "local": "2073-03-12T12:41:31+03:00",
              "utc": "2073-03-12T09:41:31Z",
              "ms": 3256537290810.87
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-03-13",
          "window": {
            "start": {
              "local": "2073-03-13T11:53:15+03:00",
              "utc": "2073-03-13T08:53:15Z",
              "ms": 3256620794684.5557
            },
            "end": {
              "local": "2073-03-13T12:41:15+03:00",
              "utc": "2073-03-13T09:41:15Z",
              "ms": 3256623674684.5557
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 07:04 on Sun 12 Mar to 09:21 on Mon 13 Mar.",
          "fact": "2073-03-12T04:03:43Z → 2073-03-13T06:21:24Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 12th, 11:53–12:41 on the 13th.",
          "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 12th and 0 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 9111 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Mosul, 2073: Sunday 12 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": "2073-03-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-03-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Vināyaka Caturthī 2073 falls on Sunday 12 March. Caturthī runs from 07:04 on Sun 12 Mar to 09:21 on Mon 13 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/vinayaka-chaturthi?on=2073-03-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/ekadashi?on=2073-03-20",
      "festival": "ekadashi",
      "name": "Āmalakī Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-03-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12509,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-03-19T11:44:35+03:00",
          "utc": "2073-03-19T08:44:35Z",
          "ms": 3257138675473.11
        },
        "end": {
          "local": "2073-03-20T09:39:30+03:00",
          "utc": "2073-03-20T06:39:30Z",
          "ms": 3257217569732.165
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-03-19T11:44:35+03:00",
          "utc": "2073-03-19T08:44:35Z",
          "ms": 3257138675473.11
        },
        "end": {
          "local": "2073-03-20T09:39:30+03:00",
          "utc": "2073-03-20T06:39:30Z",
          "ms": 3257217569732.165
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-03-19",
          "window": {
            "start": {
              "local": "2073-03-19T06:12:28+03:00",
              "utc": "2073-03-19T03:12:28Z",
              "ms": 3257118748207.4224
            },
            "end": {
              "local": "2073-03-19T06:12:28+03:00",
              "utc": "2073-03-19T03:12:28Z",
              "ms": 3257118748207.4224
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2073-03-20",
          "window": {
            "start": {
              "local": "2073-03-20T06:11:01+03:00",
              "utc": "2073-03-20T03:11:01Z",
              "ms": 3257205060870.087
            },
            "end": {
              "local": "2073-03-20T06:11:01+03:00",
              "utc": "2073-03-20T03:11:01Z",
              "ms": 3257205060870.087
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 11:45 on Sun 19 Mar to 09:39 on Mon 20 Mar.",
          "fact": "2073-03-19T08:44:35Z → 2073-03-20T06:39:30Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:12 on the 19th and 06:11 on the 20th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 19th and is on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 12509 s"
        },
        {
          "step": "ruling",
          "text": "Āmalakī Ekādaśī, Mosul, 2073: Monday 20 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-03-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-03-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Āmalakī Ekādaśī 2073 falls on Monday 20 March. Ekādaśī runs from 11:45 on Sun 19 Mar to 09:39 on Mon 20 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-03-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/pradosha-vrata?on=2073-03-21",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-03-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28074,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-03-21T06:56:29+03:00",
          "utc": "2073-03-21T03:56:29Z",
          "ms": 3257294188573.3066
        },
        "end": {
          "local": "2073-03-22T03:42:38+03:00",
          "utc": "2073-03-22T00:42:38Z",
          "ms": 3257368957514.133
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-03-21T06:56:29+03:00",
          "utc": "2073-03-21T03:56:29Z",
          "ms": 3257294188573.3066
        },
        "end": {
          "local": "2073-03-22T03:42:38+03:00",
          "utc": "2073-03-22T00:42:38Z",
          "ms": 3257368957514.133
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-03-20",
          "window": {
            "start": {
              "local": "2073-03-20T18:19:30+03:00",
              "utc": "2073-03-20T15:19:30Z",
              "ms": 3257248769574.6646
            },
            "end": {
              "local": "2073-03-20T19:54:10+03:00",
              "utc": "2073-03-20T16:54:10Z",
              "ms": 3257254450088.181
            }
          },
          "covered_min": 0,
          "window_min": 95,
          "qualifies": false
        },
        {
          "local_date": "2073-03-21",
          "window": {
            "start": {
              "local": "2073-03-21T18:20:21+03:00",
              "utc": "2073-03-21T15:20:21Z",
              "ms": 3257335221489.7314
            },
            "end": {
              "local": "2073-03-21T19:54:43+03:00",
              "utc": "2073-03-21T16:54:43Z",
              "ms": 3257340883412.127
            }
          },
          "covered_min": 94,
          "window_min": 94,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 06:56 on Tue 21 Mar to 03:43 on Wed 22 Mar.",
          "fact": "2073-03-21T03:56:29Z → 2073-03-22T00:42:38Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:19–19:54 on the 20th, 18:20–19:55 on the 21st.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 95 minutes on the 20th and 94 of 94 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 28074 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Mosul, 2073: Tuesday 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": "2073-03-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-03-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śukla Pradoṣa Vrata 2073 falls on Tuesday 21 March. Trayodaśī runs from 06:56 on Tue 21 Mar to 03:43 on Wed 22 Mar and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/pradosha-vrata?on=2073-03-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/holika-dahana",
      "festival": "holika-dahana",
      "name": "Holikā Dahana",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-03-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6961,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2073-03-23T00:06:35+03:00",
          "utc": "2073-03-22T21:06:35Z",
          "ms": 3257442395264.307
        },
        "end": {
          "local": "2073-03-23T20:18:06+03:00",
          "utc": "2073-03-23T17:18:06Z",
          "ms": 3257515085730.403
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-03-23T00:06:35+03:00",
          "utc": "2073-03-22T21:06:35Z",
          "ms": 3257442395264.307
        },
        "end": {
          "local": "2073-03-23T20:18:06+03:00",
          "utc": "2073-03-23T17:18:06Z",
          "ms": 3257515085730.403
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2073-03-22",
          "window": {
            "start": {
              "local": "2073-03-22T15:54:36+03:00",
              "utc": "2073-03-22T12:54:36Z",
              "ms": 3257412875792.781
            },
            "end": {
              "local": "2073-03-22T18:21:13+03:00",
              "utc": "2073-03-22T15:21:13Z",
              "ms": 3257421673264.052
            }
          },
          "covered_min": 0,
          "window_min": 147,
          "qualifies": false
        },
        {
          "local_date": "2073-03-23",
          "window": {
            "start": {
              "local": "2073-03-23T15:55:00+03:00",
              "utc": "2073-03-23T12:55:00Z",
              "ms": 3257499299601.417
            },
            "end": {
              "local": "2073-03-23T18:22:05+03:00",
              "utc": "2073-03-23T15:22:05Z",
              "ms": 3257508124914.7837
            }
          },
          "covered_min": 147,
          "window_min": 147,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 00:07 on Thu 23 Mar to 20:18 on Thu 23 Mar.",
          "fact": "2073-03-22T21:06:35Z → 2073-03-23T17:18:06Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:55–18:21 on the 22nd, 15:55–18:22 on the 23rd.",
          "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 147 minutes on the 22nd and 147 of 147 on the 23rd.",
          "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 6961 s"
        },
        {
          "step": "ruling",
          "text": "Holikā Dahana, Mosul, 2073: Thursday 23 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": "2073-03-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-03-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Holikā Dahana 2073 falls on Thursday 23 March. Pūrṇimā runs from 00:07 on Thu 23 Mar to 20:18 on Thu 23 Mar and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/holi",
      "festival": "holi",
      "name": "Holī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-03-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6961,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2073-03-23T00:06:35+03:00",
          "utc": "2073-03-22T21:06:35Z",
          "ms": 3257442395264.307
        },
        "end": {
          "local": "2073-03-23T20:18:06+03:00",
          "utc": "2073-03-23T17:18:06Z",
          "ms": 3257515085730.403
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-03-23T00:06:35+03:00",
          "utc": "2073-03-22T21:06:35Z",
          "ms": 3257442395264.307
        },
        "end": {
          "local": "2073-03-23T20:18:06+03:00",
          "utc": "2073-03-23T17:18:06Z",
          "ms": 3257515085730.403
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2073-03-22",
          "window": {
            "start": {
              "local": "2073-03-22T15:54:36+03:00",
              "utc": "2073-03-22T12:54:36Z",
              "ms": 3257412875792.781
            },
            "end": {
              "local": "2073-03-22T18:21:13+03:00",
              "utc": "2073-03-22T15:21:13Z",
              "ms": 3257421673264.052
            }
          },
          "covered_min": 0,
          "window_min": 147,
          "qualifies": false
        },
        {
          "local_date": "2073-03-23",
          "window": {
            "start": {
              "local": "2073-03-23T15:55:00+03:00",
              "utc": "2073-03-23T12:55:00Z",
              "ms": 3257499299601.417
            },
            "end": {
              "local": "2073-03-23T18:22:05+03:00",
              "utc": "2073-03-23T15:22:05Z",
              "ms": 3257508124914.7837
            }
          },
          "covered_min": 147,
          "window_min": 147,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "holika-dahana",
        "name": "Holikā Dahana",
        "local_date": "2073-03-23",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 00:07 on Thu 23 Mar to 20:18 on Thu 23 Mar.",
          "fact": "2073-03-22T21:06:35Z → 2073-03-23T17:18:06Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:55–18:21 on the 22nd, 15:55–18:22 on the 23rd.",
          "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 147 minutes on the 22nd and 147 of 147 on the 23rd.",
          "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 6961 s"
        },
        {
          "step": "counted",
          "text": "Holī is kept the day after Holikā Dahana: Thursday 23 March is the day taken above.",
          "fact": "follows: holika-dahana + 1 d"
        },
        {
          "step": "ruling",
          "text": "Holī, Mosul, 2073: Friday 24 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": "2073-03-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-03-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Holī 2073 falls on Friday 24 March. It is kept the day after Holikā Dahana, which falls on Thursday 23 March. Pūrṇimā runs from 00:07 on Thu 23 Mar to 20:18 on Thu 23 Mar and covers all of sāyāhna on the 23rd.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/vasantotsava",
      "festival": "vasantotsava",
      "name": "Vasantotsava",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-03-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35225,
      "anga": {
        "type": "tithi",
        "index": 15,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2073-03-23T20:18:06+03:00",
          "utc": "2073-03-23T17:18:06Z",
          "ms": 3257515085730.403
        },
        "end": {
          "local": "2073-03-24T16:27:34+03:00",
          "utc": "2073-03-24T13:27:34Z",
          "ms": 3257587653665.346
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-03-23T20:18:06+03:00",
          "utc": "2073-03-23T17:18:06Z",
          "ms": 3257515085730.403
        },
        "end": {
          "local": "2073-03-24T16:27:34+03:00",
          "utc": "2073-03-24T13:27:34Z",
          "ms": 3257587653665.346
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-03-24",
          "window": {
            "start": {
              "local": "2073-03-24T06:05:11+03:00",
              "utc": "2073-03-24T03:05:11Z",
              "ms": 3257550310779.9204
            },
            "end": {
              "local": "2073-03-24T06:05:11+03:00",
              "utc": "2073-03-24T03:05:11Z",
              "ms": 3257550310779.9204
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-03-25",
          "window": {
            "start": {
              "local": "2073-03-25T06:03:43+03:00",
              "utc": "2073-03-25T03:03:43Z",
              "ms": 3257636623236.7085
            },
            "end": {
              "local": "2073-03-25T06:03:43+03:00",
              "utc": "2073-03-25T03:03:43Z",
              "ms": 3257636623236.7085
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 20:18 on Thu 23 Mar to 16:28 on Fri 24 Mar.",
          "fact": "2073-03-23T17:18:06Z → 2073-03-24T13:27:34Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:05 on the 24th and 06:04 on the 25th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be current at sunrise. It is on the 24th and is not on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 35225 s"
        },
        {
          "step": "ruling",
          "text": "Vasantotsava, Mosul, 2073: Friday 24 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": "2073-03-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-03-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Vasantotsava 2073 falls on Friday 24 March. Pratipadā runs from 20:18 on Thu 23 Mar to 16:28 on Fri 24 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/sankashta-chaturthi?on=2073-03-26",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-03-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31555,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-03-26T09:23:10+03:00",
          "utc": "2073-03-26T06:23:10Z",
          "ms": 3257734990354.238
        },
        "end": {
          "local": "2073-03-27T06:30:03+03:00",
          "utc": "2073-03-27T03:30:03Z",
          "ms": 3257811002587.9536
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-03-26T09:23:10+03:00",
          "utc": "2073-03-26T06:23:10Z",
          "ms": 3257734990354.238
        },
        "end": {
          "local": "2073-03-27T06:30:03+03:00",
          "utc": "2073-03-27T03:30:03Z",
          "ms": 3257811002587.9536
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2073-03-25",
          "window": {
            "start": {
              "local": "2073-03-25T20:34:41+03:00",
              "utc": "2073-03-25T17:34:41Z",
              "ms": 3257688881311.568
            },
            "end": {
              "local": "2073-03-25T20:34:41+03:00",
              "utc": "2073-03-25T17:34:41Z",
              "ms": 3257688881311.568
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2073-03-26",
          "window": {
            "start": {
              "local": "2073-03-26T21:44:08+03:00",
              "utc": "2073-03-26T18:44:08Z",
              "ms": 3257779447850.0337
            },
            "end": {
              "local": "2073-03-26T21:44:08+03:00",
              "utc": "2073-03-26T18:44:08Z",
              "ms": 3257779447850.0337
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 09:23 on Sun 26 Mar to 06:30 on Mon 27 Mar.",
          "fact": "2073-03-26T06:23:10Z → 2073-03-27T03:30:03Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:35 on the 25th and 21:44 on the 26th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 25th and is on the 26th.",
          "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 31555 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mosul, 2073: Sunday 26 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": "2073-03-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-03-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Saṅkaṣṭa Caturthī 2073 falls on Sunday 26 March. Caturthī runs from 09:23 on Sun 26 Mar to 06:30 on Mon 27 Mar and is current at moonrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/sankashta-chaturthi?on=2073-03-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/shitalashtami",
      "festival": "shitalashtami",
      "name": "Śītalāṣṭamī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-03-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34320,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2073-03-30T02:05:44+03:00",
          "utc": "2073-03-29T23:05:44Z",
          "ms": 3258054344170.129
        },
        "end": {
          "local": "2073-03-31T02:15:58+03:00",
          "utc": "2073-03-30T23:15:58Z",
          "ms": 3258141357581.3154
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-03-30T02:05:44+03:00",
          "utc": "2073-03-29T23:05:44Z",
          "ms": 3258054344170.129
        },
        "end": {
          "local": "2073-03-31T02:15:58+03:00",
          "utc": "2073-03-30T23:15:58Z",
          "ms": 3258141357581.3154
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-03-30",
          "window": {
            "start": {
              "local": "2073-03-30T11:48:16+03:00",
              "utc": "2073-03-30T08:48:16Z",
              "ms": 3258089295727.2793
            },
            "end": {
              "local": "2073-03-30T12:36:16+03:00",
              "utc": "2073-03-30T09:36:16Z",
              "ms": 3258092175727.2793
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-03-31",
          "window": {
            "start": {
              "local": "2073-03-31T11:47:58+03:00",
              "utc": "2073-03-31T08:47:58Z",
              "ms": 3258175677979.621
            },
            "end": {
              "local": "2073-03-31T12:35:58+03:00",
              "utc": "2073-03-31T09:35:58Z",
              "ms": 3258178557979.621
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 02:06 on Thu 30 Mar to 02:16 on Fri 31 Mar.",
          "fact": "2073-03-29T23:05:44Z → 2073-03-30T23:15:58Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 30th, 11:48–12:36 on the 31st.",
          "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 30th and 0 of 48 on the 31st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 34320 s"
        },
        {
          "step": "ruling",
          "text": "Śītalāṣṭamī, Mosul, 2073: Thursday 30 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": "2073-03-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-03-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śītalāṣṭamī 2073 falls on Thursday 30 March. Aṣṭamī runs from 02:06 on Thu 30 Mar to 02:16 on Fri 31 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/ekadashi?on=2073-04-03",
      "festival": "ekadashi",
      "name": "Pāpamocanī Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-04-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3689,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-04-02T04:50:39+03:00",
          "utc": "2073-04-02T01:50:39Z",
          "ms": 3258323438923.7876
        },
        "end": {
          "local": "2073-04-03T06:58:47+03:00",
          "utc": "2073-04-03T03:58:47Z",
          "ms": 3258417526970.5293
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-04-02T04:50:39+03:00",
          "utc": "2073-04-02T01:50:39Z",
          "ms": 3258323438923.7876
        },
        "end": {
          "local": "2073-04-03T06:58:47+03:00",
          "utc": "2073-04-03T03:58:47Z",
          "ms": 3258417526970.5293
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-04-02",
          "window": {
            "start": {
              "local": "2073-04-02T05:52:08+03:00",
              "utc": "2073-04-02T02:52:08Z",
              "ms": 3258327127593.0933
            },
            "end": {
              "local": "2073-04-02T05:52:08+03:00",
              "utc": "2073-04-02T02:52:08Z",
              "ms": 3258327127593.0933
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-04-03",
          "window": {
            "start": {
              "local": "2073-04-03T05:50:42+03:00",
              "utc": "2073-04-03T02:50:42Z",
              "ms": 3258413441673.731
            },
            "end": {
              "local": "2073-04-03T05:50:42+03:00",
              "utc": "2073-04-03T02:50:42Z",
              "ms": 3258413441673.731
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 04:51 on Sun 2 Apr to 06:59 on Mon 3 Apr.",
          "fact": "2073-04-02T01:50:39Z → 2073-04-03T03:58:47Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:52 on the 2nd and 05:51 on the 3rd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 2nd and is on the 3rd.",
          "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 3689 s"
        },
        {
          "step": "ruling",
          "text": "Pāpamocanī Ekādaśī, Mosul, 2073: Monday 3 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": "2073-04-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-04-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Pāpamocanī Ekādaśī 2073 falls on Monday 3 April. Ekādaśī runs from 04:51 on Sun 2 Apr to 06:59 on Mon 3 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-04-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/pradosha-vrata?on=2073-04-04",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-04-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23317,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-04-04T09:26:54+03:00",
          "utc": "2073-04-04T06:26:54Z",
          "ms": 3258512813593.5034
        },
        "end": {
          "local": "2073-04-05T12:04:35+03:00",
          "utc": "2073-04-05T09:04:35Z",
          "ms": 3258608674737.2607
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-04-04T09:26:54+03:00",
          "utc": "2073-04-04T06:26:54Z",
          "ms": 3258512813593.5034
        },
        "end": {
          "local": "2073-04-05T12:04:35+03:00",
          "utc": "2073-04-05T09:04:35Z",
          "ms": 3258608674737.2607
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-04-04",
          "window": {
            "start": {
              "local": "2073-04-04T18:32:21+03:00",
              "utc": "2073-04-04T15:32:21Z",
              "ms": 3258545540621.088
            },
            "end": {
              "local": "2073-04-04T20:02:25+03:00",
              "utc": "2073-04-04T17:02:25Z",
              "ms": 3258550944649.75
            }
          },
          "covered_min": 90,
          "window_min": 90,
          "qualifies": true
        },
        {
          "local_date": "2073-04-05",
          "window": {
            "start": {
              "local": "2073-04-05T18:33:12+03:00",
              "utc": "2073-04-05T15:33:12Z",
              "ms": 3258631991896.281
            },
            "end": {
              "local": "2073-04-05T20:02:58+03:00",
              "utc": "2073-04-05T17:02:58Z",
              "ms": 3258637377773.048
            }
          },
          "covered_min": 0,
          "window_min": 90,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 09:27 on Tue 4 Apr to 12:05 on Wed 5 Apr.",
          "fact": "2073-04-04T06:26:54Z → 2073-04-05T09:04:35Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:32–20:02 on the 4th, 18:33–20:03 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 90 of 90 minutes on the 4th and 0 of 90 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 23317 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 2073: Tuesday 4 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": "2073-04-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-04-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 2073 falls on Tuesday 4 April. Trayodaśī runs from 09:27 on Tue 4 Apr to 12:05 on Wed 5 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/pradosha-vrata?on=2073-04-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/shivaratri?on=2073-04-05",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-04-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32559,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2073-04-05T12:04:35+03:00",
          "utc": "2073-04-05T09:04:35Z",
          "ms": 3258608674737.2607
        },
        "end": {
          "local": "2073-04-06T14:42:53+03:00",
          "utc": "2073-04-06T11:42:53Z",
          "ms": 3258704573101.2695
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-04-05T12:04:35+03:00",
          "utc": "2073-04-05T09:04:35Z",
          "ms": 3258608674737.2607
        },
        "end": {
          "local": "2073-04-06T14:42:53+03:00",
          "utc": "2073-04-06T11:42:53Z",
          "ms": 3258704573101.2695
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2073-04-05",
          "window": {
            "start": {
              "local": "2073-04-05T23:45:49+03:00",
              "utc": "2073-04-05T20:45:49Z",
              "ms": 3258650748934.157
            },
            "end": {
              "local": "2073-04-06T00:33:49+03:00",
              "utc": "2073-04-05T21:33:49Z",
              "ms": 3258653628934.157
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-04-06",
          "window": {
            "start": {
              "local": "2073-04-06T23:45:32+03:00",
              "utc": "2073-04-06T20:45:32Z",
              "ms": 3258737132354.0933
            },
            "end": {
              "local": "2073-04-07T00:33:32+03:00",
              "utc": "2073-04-06T21:33:32Z",
              "ms": 3258740012354.0933
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 12:05 on Wed 5 Apr to 14:43 on Thu 6 Apr.",
          "fact": "2073-04-05T09:04:35Z → 2073-04-06T11:42:53Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:46–00:34 on the 5th, 23:46–00:34 on the 6th.",
          "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 5th and 0 of 48 on the 6th.",
          "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 32559 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Mosul, 2073: Wednesday 5 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": "2073-04-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-04-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śivarātri 2073 falls on Wednesday 5 April. Caturdaśī runs from 12:05 on Wed 5 Apr to 14:43 on Thu 6 Apr and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mosul/festivals/2073/shivaratri?on=2073-04-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/navaratra-arambha-caitra",
      "festival": "navaratra-arambha-caitra",
      "name": "Navarātrārambha (Caitra)",
      "everyday": "Chaitra Navratri",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-04-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16849,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2073-04-07T17:14:47+03:00",
          "utc": "2073-04-07T14:14:47Z",
          "ms": 3258800086936.552
        },
        "end": {
          "local": "2073-04-08T19:35:01+03:00",
          "utc": "2073-04-08T16:35:01Z",
          "ms": 3258894900835.412
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-04-07T17:14:47+03:00",
          "utc": "2073-04-07T14:14:47Z",
          "ms": 3258800086936.552
        },
        "end": {
          "local": "2073-04-08T19:35:01+03:00",
          "utc": "2073-04-08T16:35:01Z",
          "ms": 3258894900835.412
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-04-07",
          "window": {
            "start": {
              "local": "2073-04-07T11:45:58+03:00",
              "utc": "2073-04-07T08:45:58Z",
              "ms": 3258780358016.123
            },
            "end": {
              "local": "2073-04-07T12:33:58+03:00",
              "utc": "2073-04-07T09:33:58Z",
              "ms": 3258783238016.123
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-04-08",
          "window": {
            "start": {
              "local": "2073-04-08T11:45:42+03:00",
              "utc": "2073-04-08T08:45:42Z",
              "ms": 3258866741679.4277
            },
            "end": {
              "local": "2073-04-08T12:33:42+03:00",
              "utc": "2073-04-08T09:33:42Z",
              "ms": 3258869621679.4277
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 17:15 on Fri 7 Apr to 19:35 on Sat 8 Apr.",
          "fact": "2073-04-07T14:14:47Z → 2073-04-08T16:35:01Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 7th, 11:46–12:34 on the 8th.",
          "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 7th and 48 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 16849 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha (Caitra), Mosul, 2073: Saturday 8 April.",
          "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": "2073-04-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-04-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Navarātrārambha (Caitra) (Chaitra Navratri) 2073 falls on Saturday 8 April. Pratipadā runs from 17:15 on Fri 7 Apr to 19:35 on Sat 8 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/gauri-tritiya",
      "festival": "gauri-tritiya",
      "name": "Gaurī Tṛtīyā",
      "everyday": "Gangaur",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-04-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32766,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2073-04-09T21:39:31+03:00",
          "utc": "2073-04-09T18:39:31Z",
          "ms": 3258988771408.2935
        },
        "end": {
          "local": "2073-04-10T23:24:45+03:00",
          "utc": "2073-04-10T20:24:45Z",
          "ms": 3259081485018.559
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-04-09T21:39:31+03:00",
          "utc": "2073-04-09T18:39:31Z",
          "ms": 3258988771408.2935
        },
        "end": {
          "local": "2073-04-10T23:24:45+03:00",
          "utc": "2073-04-10T20:24:45Z",
          "ms": 3259081485018.559
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-04-09",
          "window": {
            "start": {
              "local": "2073-04-09T11:45:26+03:00",
              "utc": "2073-04-09T08:45:26Z",
              "ms": 3258953125587.325
            },
            "end": {
              "local": "2073-04-09T12:33:26+03:00",
              "utc": "2073-04-09T09:33:26Z",
              "ms": 3258956005587.325
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-04-10",
          "window": {
            "start": {
              "local": "2073-04-10T11:45:10+03:00",
              "utc": "2073-04-10T08:45:10Z",
              "ms": 3259039509753.709
            },
            "end": {
              "local": "2073-04-10T12:33:10+03:00",
              "utc": "2073-04-10T09:33:10Z",
              "ms": 3259042389753.709
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 21:40 on Sun 9 Apr to 23:25 on Mon 10 Apr.",
          "fact": "2073-04-09T18:39:31Z → 2073-04-10T20:24:45Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 9th, 11:45–12:33 on the 10th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 32766 s"
        },
        {
          "step": "ruling",
          "text": "Gaurī Tṛtīyā, Mosul, 2073: Monday 10 April.",
          "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": "2073-04-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-04-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Gaurī Tṛtīyā (Gangaur) 2073 falls on Monday 10 April. Tṛtīyā runs from 21:40 on Sun 9 Apr to 23:25 on Mon 10 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/saubhagya-shayana-vrata",
      "festival": "saubhagya-shayana-vrata",
      "name": "Saubhāgya Śayana Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-04-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32766,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2073-04-09T21:39:31+03:00",
          "utc": "2073-04-09T18:39:31Z",
          "ms": 3258988771408.2935
        },
        "end": {
          "local": "2073-04-10T23:24:45+03:00",
          "utc": "2073-04-10T20:24:45Z",
          "ms": 3259081485018.559
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-04-09T21:39:31+03:00",
          "utc": "2073-04-09T18:39:31Z",
          "ms": 3258988771408.2935
        },
        "end": {
          "local": "2073-04-10T23:24:45+03:00",
          "utc": "2073-04-10T20:24:45Z",
          "ms": 3259081485018.559
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-04-09",
          "window": {
            "start": {
              "local": "2073-04-09T11:45:26+03:00",
              "utc": "2073-04-09T08:45:26Z",
              "ms": 3258953125587.325
            },
            "end": {
              "local": "2073-04-09T12:33:26+03:00",
              "utc": "2073-04-09T09:33:26Z",
              "ms": 3258956005587.325
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-04-10",
          "window": {
            "start": {
              "local": "2073-04-10T11:45:10+03:00",
              "utc": "2073-04-10T08:45:10Z",
              "ms": 3259039509753.709
            },
            "end": {
              "local": "2073-04-10T12:33:10+03:00",
              "utc": "2073-04-10T09:33:10Z",
              "ms": 3259042389753.709
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 21:40 on Sun 9 Apr to 23:25 on Mon 10 Apr.",
          "fact": "2073-04-09T18:39:31Z → 2073-04-10T20:24:45Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 9th, 11:45–12:33 on the 10th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 32766 s"
        },
        {
          "step": "ruling",
          "text": "Saubhāgya Śayana Vrata, Mosul, 2073: Monday 10 April.",
          "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": "2073-04-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-04-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Saubhāgya Śayana Vrata 2073 falls on Monday 10 April. Tṛtīyā runs from 21:40 on Sun 9 Apr to 23:25 on Mon 10 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/vinayaka-chaturthi?on=2073-04-11",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-04-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 39095,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-04-10T23:24:45+03:00",
          "utc": "2073-04-10T20:24:45Z",
          "ms": 3259081485018.559
        },
        "end": {
          "local": "2073-04-12T00:47:03+03:00",
          "utc": "2073-04-11T21:47:03Z",
          "ms": 3259172823364.247
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-04-10T23:24:45+03:00",
          "utc": "2073-04-10T20:24:45Z",
          "ms": 3259081485018.559
        },
        "end": {
          "local": "2073-04-12T00:47:03+03:00",
          "utc": "2073-04-11T21:47:03Z",
          "ms": 3259172823364.247
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-04-10",
          "window": {
            "start": {
              "local": "2073-04-10T11:45:10+03:00",
              "utc": "2073-04-10T08:45:10Z",
              "ms": 3259039509753.709
            },
            "end": {
              "local": "2073-04-10T12:33:10+03:00",
              "utc": "2073-04-10T09:33:10Z",
              "ms": 3259042389753.709
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-04-11",
          "window": {
            "start": {
              "local": "2073-04-11T11:44:54+03:00",
              "utc": "2073-04-11T08:44:54Z",
              "ms": 3259125894192.2275
            },
            "end": {
              "local": "2073-04-11T12:32:54+03:00",
              "utc": "2073-04-11T09:32:54Z",
              "ms": 3259128774192.2275
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:25 on Mon 10 Apr to 00:47 on Wed 12 Apr.",
          "fact": "2073-04-10T20:24:45Z → 2073-04-11T21:47:03Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 10th, 11:45–12:33 on the 11th.",
          "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 10th and 48 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 39095 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Mosul, 2073: Tuesday 11 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-04-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-04-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Vināyaka Caturthī 2073 falls on Tuesday 11 April. Caturthī runs from 23:25 on Mon 10 Apr to 00:47 on Wed 12 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/vinayaka-chaturthi?on=2073-04-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/lakshmi-panchami",
      "festival": "lakshmi-panchami",
      "name": "Lakṣmī Pañcamī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-04-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36116,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2073-04-12T00:47:03+03:00",
          "utc": "2073-04-11T21:47:03Z",
          "ms": 3259172823364.247
        },
        "end": {
          "local": "2073-04-13T01:42:28+03:00",
          "utc": "2073-04-12T22:42:28Z",
          "ms": 3259262548213.7583
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-04-12T00:47:03+03:00",
          "utc": "2073-04-11T21:47:03Z",
          "ms": 3259172823364.247
        },
        "end": {
          "local": "2073-04-13T01:42:28+03:00",
          "utc": "2073-04-12T22:42:28Z",
          "ms": 3259262548213.7583
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-04-12",
          "window": {
            "start": {
              "local": "2073-04-12T11:44:39+03:00",
              "utc": "2073-04-12T08:44:39Z",
              "ms": 3259212278916.368
            },
            "end": {
              "local": "2073-04-12T12:32:39+03:00",
              "utc": "2073-04-12T09:32:39Z",
              "ms": 3259215158916.368
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-04-13",
          "window": {
            "start": {
              "local": "2073-04-13T11:44:24+03:00",
              "utc": "2073-04-13T08:44:24Z",
              "ms": 3259298663939.536
            },
            "end": {
              "local": "2073-04-13T12:32:24+03:00",
              "utc": "2073-04-13T09:32:24Z",
              "ms": 3259301543939.536
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 00:47 on Wed 12 Apr to 01:42 on Thu 13 Apr.",
          "fact": "2073-04-11T21:47:03Z → 2073-04-12T22:42:28Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 12th, 11:44–12:32 on the 13th.",
          "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 12th and 0 of 48 on the 13th.",
          "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 36116 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pañcamī, Mosul, 2073: Wednesday 12 April.",
          "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": "2073-04-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-04-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Lakṣmī Pañcamī 2073 falls on Wednesday 12 April. Pañcamī runs from 00:47 on Wed 12 Apr to 01:42 on Thu 13 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/vaishakhi",
      "festival": "vaishakhi",
      "name": "Vaiśākhī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-04-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9308,
      "anga": {
        "type": "sankranti",
        "index": 0,
        "key": "mesha",
        "name": "Meṣa",
        "start": {
          "local": "2073-04-14T08:10:31+03:00",
          "utc": "2073-04-14T05:10:31Z",
          "ms": 3259372231432.875
        },
        "end": {
          "local": "2073-05-15T04:56:27+03:00",
          "utc": "2073-05-15T01:56:27Z",
          "ms": 3262038987435.6113
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2073-04-14T08:10:31+03:00",
          "utc": "2073-04-14T05:10:31Z",
          "ms": 3259372231432.875
        },
        "end": {
          "local": "2073-04-14T08:10:31+03:00",
          "utc": "2073-04-14T05:10:31Z",
          "ms": 3259372231432.875
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "2073-04-13",
          "window": {
            "start": {
              "local": "2073-04-13T05:36:45+03:00",
              "utc": "2073-04-13T02:36:45Z",
              "ms": 3259276604786.0366
            },
            "end": {
              "local": "2073-04-14T05:35:24+03:00",
              "utc": "2073-04-14T02:35:24Z",
              "ms": 3259362923920.964
            }
          },
          "covered_min": 0,
          "window_min": 1439,
          "qualifies": false
        },
        {
          "local_date": "2073-04-14",
          "window": {
            "start": {
              "local": "2073-04-14T05:35:24+03:00",
              "utc": "2073-04-14T02:35:24Z",
              "ms": 3259362923920.964
            },
            "end": {
              "local": "2073-04-15T05:34:04+03:00",
              "utc": "2073-04-15T02:34:04Z",
              "ms": 3259449243679.242
            }
          },
          "covered_min": 1,
          "window_min": 1439,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Meṣa at 08:11 on Fri 14 Apr.",
          "fact": "2073-04-14T05:10:31Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 05:37 on the 13th, and from 05:35 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 14th, not the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunrise → only-day · margin 9308 s"
        },
        {
          "step": "ruling",
          "text": "Vaiśākhī, Mosul, 2073: Friday 14 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": "2073-04-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-04-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2073-04-14",
          "statement": "Counted from midnight",
          "reference": {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        },
        {
          "kind": "reckoning",
          "id": "sunset-rule",
          "local_date": "2073-04-14",
          "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 Mosul, Vaiśākhī 2073 falls on Friday 14 April. The Sun enters Meṣa at 08:11 on Fri 14 Apr, and the rule counts the day from sunrise.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/bhavani-utpatti",
      "festival": "bhavani-utpatti",
      "name": "Bhavānī Utpatti",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-04-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35256,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2073-04-15T01:56:19+03:00",
          "utc": "2073-04-14T22:56:19Z",
          "ms": 3259436179200.442
        },
        "end": {
          "local": "2073-04-16T01:08:06+03:00",
          "utc": "2073-04-15T22:08:06Z",
          "ms": 3259519686201.195
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-04-15T01:56:19+03:00",
          "utc": "2073-04-14T22:56:19Z",
          "ms": 3259436179200.442
        },
        "end": {
          "local": "2073-04-16T01:08:06+03:00",
          "utc": "2073-04-15T22:08:06Z",
          "ms": 3259519686201.195
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-04-15",
          "window": {
            "start": {
              "local": "2073-04-15T11:43:55+03:00",
              "utc": "2073-04-15T08:43:55Z",
              "ms": 3259471434936.87
            },
            "end": {
              "local": "2073-04-15T12:31:55+03:00",
              "utc": "2073-04-15T09:31:55Z",
              "ms": 3259474314936.87
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-04-16",
          "window": {
            "start": {
              "local": "2073-04-16T11:43:41+03:00",
              "utc": "2073-04-16T08:43:41Z",
              "ms": 3259557820938.555
            },
            "end": {
              "local": "2073-04-16T12:31:41+03:00",
              "utc": "2073-04-16T09:31:41Z",
              "ms": 3259560700938.555
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 01:56 on Sat 15 Apr to 01:08 on Sun 16 Apr.",
          "fact": "2073-04-14T22:56:19Z → 2073-04-15T22:08:06Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 15th, 11:44–12:32 on the 16th.",
          "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 15th and 0 of 48 on the 16th.",
          "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 35256 s"
        },
        {
          "step": "ruling",
          "text": "Bhavānī Utpatti, Mosul, 2073: Saturday 15 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": "2073-04-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-04-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Bhavānī Utpatti 2073 falls on Saturday 15 April. Aṣṭamī runs from 01:56 on Sat 15 Apr to 01:08 on Sun 16 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/rama-navami",
      "festival": "rama-navami",
      "name": "Rāma Navamī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-04-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 38135,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2073-04-16T01:08:06+03:00",
          "utc": "2073-04-15T22:08:06Z",
          "ms": 3259519686201.195
        },
        "end": {
          "local": "2073-04-16T23:41:04+03:00",
          "utc": "2073-04-16T20:41:04Z",
          "ms": 3259600864352.0493
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-04-16T01:08:06+03:00",
          "utc": "2073-04-15T22:08:06Z",
          "ms": 3259519686201.195
        },
        "end": {
          "local": "2073-04-16T23:41:04+03:00",
          "utc": "2073-04-16T20:41:04Z",
          "ms": 3259600864352.0493
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-04-16",
          "window": {
            "start": {
              "local": "2073-04-16T11:43:41+03:00",
              "utc": "2073-04-16T08:43:41Z",
              "ms": 3259557820938.555
            },
            "end": {
              "local": "2073-04-16T12:31:41+03:00",
              "utc": "2073-04-16T09:31:41Z",
              "ms": 3259560700938.555
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-04-17",
          "window": {
            "start": {
              "local": "2073-04-17T11:43:27+03:00",
              "utc": "2073-04-17T08:43:27Z",
              "ms": 3259644207294.6826
            },
            "end": {
              "local": "2073-04-17T12:31:27+03:00",
              "utc": "2073-04-17T09:31:27Z",
              "ms": 3259647087294.6826
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 01:08 on Sun 16 Apr to 23:41 on Sun 16 Apr.",
          "fact": "2073-04-15T22:08:06Z → 2073-04-16T20:41:04Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 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": "Navamī 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. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 38135 s"
        },
        {
          "step": "ruling",
          "text": "Rāma Navamī, Mosul, 2073: Sunday 16 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": "2073-04-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-04-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Rāma Navamī 2073 falls on Sunday 16 April. Navamī runs from 01:08 on Sun 16 Apr to 23:41 on Sun 16 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/ekadashi?on=2073-04-18",
      "festival": "ekadashi",
      "name": "Kāmadā Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-04-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28430,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-04-17T21:36:17+03:00",
          "utc": "2073-04-17T18:36:17Z",
          "ms": 3259679777009.2925
        },
        "end": {
          "local": "2073-04-18T18:57:08+03:00",
          "utc": "2073-04-18T15:57:08Z",
          "ms": 3259756627818.698
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-04-17T21:36:17+03:00",
          "utc": "2073-04-17T18:36:17Z",
          "ms": 3259679777009.2925
        },
        "end": {
          "local": "2073-04-18T18:57:08+03:00",
          "utc": "2073-04-18T15:57:08Z",
          "ms": 3259756627818.698
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-04-18",
          "window": {
            "start": {
              "local": "2073-04-18T05:30:07+03:00",
              "utc": "2073-04-18T02:30:07Z",
              "ms": 3259708206986.2983
            },
            "end": {
              "local": "2073-04-18T05:30:07+03:00",
              "utc": "2073-04-18T02:30:07Z",
              "ms": 3259708206986.2983
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-04-19",
          "window": {
            "start": {
              "local": "2073-04-19T05:28:50+03:00",
              "utc": "2073-04-19T02:28:50Z",
              "ms": 3259794529533.919
            },
            "end": {
              "local": "2073-04-19T05:28:50+03:00",
              "utc": "2073-04-19T02:28:50Z",
              "ms": 3259794529533.919
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 21:36 on Mon 17 Apr to 18:57 on Tue 18 Apr.",
          "fact": "2073-04-17T18:36:17Z → 2073-04-18T15:57:08Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:30 on the 18th and 05:29 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 28430 s"
        },
        {
          "step": "ruling",
          "text": "Kāmadā Ekādaśī, Mosul, 2073: Tuesday 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": "2073-04-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-04-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Kāmadā Ekādaśī 2073 falls on Tuesday 18 April. Ekādaśī runs from 21:36 on Mon 17 Apr to 18:57 on Tue 18 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-04-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/pradosha-vrata?on=2073-04-19",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-04-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10559,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-04-19T15:49:14+03:00",
          "utc": "2073-04-19T12:49:14Z",
          "ms": 3259831753878.388
        },
        "end": {
          "local": "2073-04-20T12:20:07+03:00",
          "utc": "2073-04-20T09:20:07Z",
          "ms": 3259905607378.3887
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-04-19T15:49:14+03:00",
          "utc": "2073-04-19T12:49:14Z",
          "ms": 3259831753878.388
        },
        "end": {
          "local": "2073-04-20T12:20:07+03:00",
          "utc": "2073-04-20T09:20:07Z",
          "ms": 3259905607378.3887
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-04-19",
          "window": {
            "start": {
              "local": "2073-04-19T18:45:13+03:00",
              "utc": "2073-04-19T15:45:13Z",
              "ms": 3259842312730.0063
            },
            "end": {
              "local": "2073-04-19T20:10:51+03:00",
              "utc": "2073-04-19T17:10:51Z",
              "ms": 3259847451413.5566
            }
          },
          "covered_min": 86,
          "window_min": 86,
          "qualifies": true
        },
        {
          "local_date": "2073-04-20",
          "window": {
            "start": {
              "local": "2073-04-20T18:46:04+03:00",
              "utc": "2073-04-20T15:46:04Z",
              "ms": 3259928764435.6436
            },
            "end": {
              "local": "2073-04-20T20:11:26+03:00",
              "utc": "2073-04-20T17:11:26Z",
              "ms": 3259933886109.1255
            }
          },
          "covered_min": 0,
          "window_min": 85,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 15:49 on Wed 19 Apr to 12:20 on Thu 20 Apr.",
          "fact": "2073-04-19T12:49:14Z → 2073-04-20T09:20:07Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:45–20:11 on the 19th, 18:46–20:11 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 86 of 86 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 10559 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Mosul, 2073: Wednesday 19 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": "2073-04-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-04-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śukla Pradoṣa Vrata 2073 falls on Wednesday 19 April. Trayodaśī runs from 15:49 on Wed 19 Apr to 12:20 on Thu 20 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/pradosha-vrata?on=2073-04-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/ananga-trayodashi",
      "festival": "ananga-trayodashi",
      "name": "Anaṅga Trayodaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-04-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 641,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-04-19T15:49:14+03:00",
          "utc": "2073-04-19T12:49:14Z",
          "ms": 3259831753878.388
        },
        "end": {
          "local": "2073-04-20T12:20:07+03:00",
          "utc": "2073-04-20T09:20:07Z",
          "ms": 3259905607378.3887
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-04-19T15:49:14+03:00",
          "utc": "2073-04-19T12:49:14Z",
          "ms": 3259831753878.388
        },
        "end": {
          "local": "2073-04-20T12:20:07+03:00",
          "utc": "2073-04-20T09:20:07Z",
          "ms": 3259905607378.3887
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-04-19",
          "window": {
            "start": {
              "local": "2073-04-19T11:43:01+03:00",
              "utc": "2073-04-19T08:43:01Z",
              "ms": 3259816981131.963
            },
            "end": {
              "local": "2073-04-19T12:31:01+03:00",
              "utc": "2073-04-19T09:31:01Z",
              "ms": 3259819861131.963
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-04-20",
          "window": {
            "start": {
              "local": "2073-04-20T11:42:49+03:00",
              "utc": "2073-04-20T08:42:49Z",
              "ms": 3259903368646.138
            },
            "end": {
              "local": "2073-04-20T12:30:49+03:00",
              "utc": "2073-04-20T09:30:49Z",
              "ms": 3259906248646.138
            }
          },
          "covered_min": 37,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 15:49 on Wed 19 Apr to 12:20 on Thu 20 Apr.",
          "fact": "2073-04-19T12:49:14Z → 2073-04-20T09:20:07Z"
        },
        {
          "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": "Trayodaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 37 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 641 s"
        },
        {
          "step": "ruling",
          "text": "Anaṅga Trayodaśī, Mosul, 2073: Thursday 20 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": "2073-04-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-04-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Anaṅga Trayodaśī 2073 falls on Thursday 20 April. Trayodaśī runs from 15:49 on Wed 19 Apr to 12:20 on Thu 20 Apr and covers 37 of 48 minutes of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/vishnu-damanaka-chaturdashi",
      "festival": "vishnu-damanaka-chaturdashi",
      "name": "Viṣṇudamanaka Caturdaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-04-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 641,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2073-04-20T12:20:07+03:00",
          "utc": "2073-04-20T09:20:07Z",
          "ms": 3259905607378.3887
        },
        "end": {
          "local": "2073-04-21T08:38:52+03:00",
          "utc": "2073-04-21T05:38:52Z",
          "ms": 3259978731721.1304
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-04-20T12:20:07+03:00",
          "utc": "2073-04-20T09:20:07Z",
          "ms": 3259905607378.3887
        },
        "end": {
          "local": "2073-04-21T08:38:52+03:00",
          "utc": "2073-04-21T05:38:52Z",
          "ms": 3259978731721.1304
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-04-20",
          "window": {
            "start": {
              "local": "2073-04-20T11:42:49+03:00",
              "utc": "2073-04-20T08:42:49Z",
              "ms": 3259903368646.138
            },
            "end": {
              "local": "2073-04-20T12:30:49+03:00",
              "utc": "2073-04-20T09:30:49Z",
              "ms": 3259906248646.138
            }
          },
          "covered_min": 11,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-04-21",
          "window": {
            "start": {
              "local": "2073-04-21T11:42:37+03:00",
              "utc": "2073-04-21T08:42:37Z",
              "ms": 3259989756580.51
            },
            "end": {
              "local": "2073-04-21T12:30:37+03:00",
              "utc": "2073-04-21T09:30:37Z",
              "ms": 3259992636580.51
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 12:20 on Thu 20 Apr to 08:39 on Fri 21 Apr.",
          "fact": "2073-04-20T09:20:07Z → 2073-04-21T05:38:52Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 20th, 11:43–12:31 on the 21st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during madhyāhna. It covers 11 of 48 minutes on the 20th and 0 of 48 on the 21st.",
          "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 641 s"
        },
        {
          "step": "ruling",
          "text": "Viṣṇudamanaka Caturdaśī, Mosul, 2073: Thursday 20 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": "2073-04-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-04-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Viṣṇudamanaka Caturdaśī 2073 falls on Thursday 20 April. Caturdaśī runs from 12:20 on Thu 20 Apr to 08:39 on Fri 21 Apr and covers 11 of 48 minutes of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/chaitri-purnima",
      "festival": "chaitri-purnima",
      "name": "Caitrī Pūrṇimā",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-04-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11025,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2073-04-21T08:38:52+03:00",
          "utc": "2073-04-21T05:38:52Z",
          "ms": 3259978731721.1304
        },
        "end": {
          "local": "2073-04-22T04:55:36+03:00",
          "utc": "2073-04-22T01:55:36Z",
          "ms": 3260051736157.3994
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-04-21T08:38:52+03:00",
          "utc": "2073-04-21T05:38:52Z",
          "ms": 3259978731721.1304
        },
        "end": {
          "local": "2073-04-22T04:55:36+03:00",
          "utc": "2073-04-22T01:55:36Z",
          "ms": 3260051736157.3994
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-04-21",
          "window": {
            "start": {
              "local": "2073-04-21T11:42:37+03:00",
              "utc": "2073-04-21T08:42:37Z",
              "ms": 3259989756580.51
            },
            "end": {
              "local": "2073-04-21T12:30:37+03:00",
              "utc": "2073-04-21T09:30:37Z",
              "ms": 3259992636580.51
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-04-22",
          "window": {
            "start": {
              "local": "2073-04-22T11:42:25+03:00",
              "utc": "2073-04-22T08:42:25Z",
              "ms": 3260076144952.716
            },
            "end": {
              "local": "2073-04-22T12:30:25+03:00",
              "utc": "2073-04-22T09:30:25Z",
              "ms": 3260079024952.716
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 08:39 on Fri 21 Apr to 04:56 on Sat 22 Apr.",
          "fact": "2073-04-21T05:38:52Z → 2073-04-22T01:55:36Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 21st, 11:42–12:30 on the 22nd.",
          "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 21st and 0 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 11025 s"
        },
        {
          "step": "ruling",
          "text": "Caitrī Pūrṇimā, Mosul, 2073: Friday 21 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": "2073-04-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-04-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Caitrī Pūrṇimā 2073 falls on Friday 21 April. Pūrṇimā runs from 08:39 on Fri 21 Apr to 04:56 on Sat 22 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/sankashta-chaturthi?on=2073-04-24",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-04-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8038,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-04-24T19:22:30+03:00",
          "utc": "2073-04-24T16:22:30Z",
          "ms": 3260276549548.6475
        },
        "end": {
          "local": "2073-04-25T17:18:29+03:00",
          "utc": "2073-04-25T14:18:29Z",
          "ms": 3260355509227.363
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-04-24T19:22:30+03:00",
          "utc": "2073-04-24T16:22:30Z",
          "ms": 3260276549548.6475
        },
        "end": {
          "local": "2073-04-25T17:18:29+03:00",
          "utc": "2073-04-25T14:18:29Z",
          "ms": 3260355509227.363
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2073-04-24",
          "window": {
            "start": {
              "local": "2073-04-24T21:36:28+03:00",
              "utc": "2073-04-24T18:36:28Z",
              "ms": 3260284587878.043
            },
            "end": {
              "local": "2073-04-24T21:36:28+03:00",
              "utc": "2073-04-24T18:36:28Z",
              "ms": 3260284587878.043
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-04-25",
          "window": {
            "start": {
              "local": "2073-04-25T22:38:39+03:00",
              "utc": "2073-04-25T19:38:39Z",
              "ms": 3260374719072.505
            },
            "end": {
              "local": "2073-04-25T22:38:39+03:00",
              "utc": "2073-04-25T19:38:39Z",
              "ms": 3260374719072.505
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 19:22 on Mon 24 Apr to 17:18 on Tue 25 Apr.",
          "fact": "2073-04-24T16:22:30Z → 2073-04-25T14:18:29Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:36 on the 24th and 22:39 on the 25th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 24th and is not on the 25th.",
          "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 8038 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mosul, 2073: Monday 24 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": "2073-04-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-04-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Saṅkaṣṭa Caturthī 2073 falls on Monday 24 April. Caturthī runs from 19:22 on Mon 24 Apr to 17:18 on Tue 25 Apr and is current at moonrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/sankashta-chaturthi?on=2073-04-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/ekadashi?on=2073-05-02",
      "festival": "ekadashi",
      "name": "Varūthinī Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-05-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17769,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-05-01T21:40:24+03:00",
          "utc": "2073-05-01T18:40:24Z",
          "ms": 3260889623553.8027
        },
        "end": {
          "local": "2073-05-03T00:16:12+03:00",
          "utc": "2073-05-02T21:16:12Z",
          "ms": 3260985371915.039
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-05-01T21:40:24+03:00",
          "utc": "2073-05-01T18:40:24Z",
          "ms": 3260889623553.8027
        },
        "end": {
          "local": "2073-05-03T00:16:12+03:00",
          "utc": "2073-05-02T21:16:12Z",
          "ms": 3260985371915.039
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-05-02",
          "window": {
            "start": {
              "local": "2073-05-02T05:13:25+03:00",
              "utc": "2073-05-02T02:13:25Z",
              "ms": 3260916804803.1187
            },
            "end": {
              "local": "2073-05-02T05:13:25+03:00",
              "utc": "2073-05-02T02:13:25Z",
              "ms": 3260916804803.1187
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-05-03",
          "window": {
            "start": {
              "local": "2073-05-03T05:12:21+03:00",
              "utc": "2073-05-03T02:12:21Z",
              "ms": 3261003141050.0605
            },
            "end": {
              "local": "2073-05-03T05:12:21+03:00",
              "utc": "2073-05-03T02:12:21Z",
              "ms": 3261003141050.0605
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 21:40 on Mon 1 May to 00:16 on Wed 3 May.",
          "fact": "2073-05-01T18:40:24Z → 2073-05-02T21:16:12Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:13 on the 2nd and 05:12 on the 3rd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 2nd and is not on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 17769 s"
        },
        {
          "step": "ruling",
          "text": "Varūthinī Ekādaśī, Mosul, 2073: Tuesday 2 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": "2073-05-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-05-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Varūthinī Ekādaśī 2073 falls on Tuesday 2 May. Ekādaśī runs from 21:40 on Mon 1 May to 00:16 on Wed 3 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-05-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/pradosha-vrata?on=2073-05-04",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-05-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23597,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-05-04T02:52:28+03:00",
          "utc": "2073-05-03T23:52:28Z",
          "ms": 3261081148254.284
        },
        "end": {
          "local": "2073-05-05T05:18:49+03:00",
          "utc": "2073-05-05T02:18:49Z",
          "ms": 3261176328937.5938
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-05-04T02:52:28+03:00",
          "utc": "2073-05-03T23:52:28Z",
          "ms": 3261081148254.284
        },
        "end": {
          "local": "2073-05-05T05:18:49+03:00",
          "utc": "2073-05-05T02:18:49Z",
          "ms": 3261176328937.5938
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-05-03",
          "window": {
            "start": {
              "local": "2073-05-03T18:57:19+03:00",
              "utc": "2073-05-03T15:57:19Z",
              "ms": 3261052638800.2573
            },
            "end": {
              "local": "2073-05-03T20:19:11+03:00",
              "utc": "2073-05-03T17:19:11Z",
              "ms": 3261057550758.8438
            }
          },
          "covered_min": 0,
          "window_min": 82,
          "qualifies": false
        },
        {
          "local_date": "2073-05-04",
          "window": {
            "start": {
              "local": "2073-05-04T18:58:11+03:00",
              "utc": "2073-05-04T15:58:11Z",
              "ms": 3261139090538.263
            },
            "end": {
              "local": "2073-05-04T20:19:47+03:00",
              "utc": "2073-05-04T17:19:47Z",
              "ms": 3261143987419.422
            }
          },
          "covered_min": 82,
          "window_min": 82,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 02:52 on Thu 4 May to 05:19 on Fri 5 May.",
          "fact": "2073-05-03T23:52:28Z → 2073-05-05T02:18:49Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:57–20:19 on the 3rd, 18:58–20:20 on the 4th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 82 minutes on the 3rd and 82 of 82 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 23597 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 2073: Thursday 4 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": "2073-05-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-05-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 2073 falls on Thursday 4 May. Trayodaśī runs from 02:52 on Thu 4 May to 05:19 on Fri 5 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/pradosha-vrata?on=2073-05-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/shivaratri?on=2073-05-05",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-05-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17435,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2073-05-05T05:18:49+03:00",
          "utc": "2073-05-05T02:18:49Z",
          "ms": 3261176328937.5938
        },
        "end": {
          "local": "2073-05-06T07:28:04+03:00",
          "utc": "2073-05-06T04:28:04Z",
          "ms": 3261270483669.73
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-05-05T05:18:49+03:00",
          "utc": "2073-05-05T02:18:49Z",
          "ms": 3261176328937.5938
        },
        "end": {
          "local": "2073-05-06T07:28:04+03:00",
          "utc": "2073-05-06T04:28:04Z",
          "ms": 3261270483669.73
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2073-05-04",
          "window": {
            "start": {
              "local": "2073-05-04T23:40:14+03:00",
              "utc": "2073-05-04T20:40:14Z",
              "ms": 3261156013842.6094
            },
            "end": {
              "local": "2073-05-05T00:28:14+03:00",
              "utc": "2073-05-04T21:28:14Z",
              "ms": 3261158893842.6094
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-05-05",
          "window": {
            "start": {
              "local": "2073-05-05T23:40:10+03:00",
              "utc": "2073-05-05T20:40:10Z",
              "ms": 3261242409611.7905
            },
            "end": {
              "local": "2073-05-06T00:28:10+03:00",
              "utc": "2073-05-05T21:28:10Z",
              "ms": 3261245289611.7905
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 05:19 on Fri 5 May to 07:28 on Sat 6 May.",
          "fact": "2073-05-05T02:18:49Z → 2073-05-06T04:28:04Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:40–00:28 on the 4th, 23:40–00:28 on the 5th.",
          "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 4th and 48 of 48 on the 5th.",
          "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 17435 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Mosul, 2073: Friday 5 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": "2073-05-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-05-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śivarātri 2073 falls on Friday 5 May. Caturdaśī runs from 05:19 on Fri 5 May to 07:28 on Sat 6 May and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mosul/festivals/2073/shivaratri?on=2073-05-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/parashurama-jayanti",
      "festival": "parashurama-jayanti",
      "name": "Paraśurāma Jayantī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-05-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24130,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2073-05-09T11:42:55+03:00",
          "utc": "2073-05-09T08:42:55Z",
          "ms": 3261544974835.0737
        },
        "end": {
          "local": "2073-05-10T12:21:08+03:00",
          "utc": "2073-05-10T09:21:08Z",
          "ms": 3261633667946.1714
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-05-09T11:42:55+03:00",
          "utc": "2073-05-09T08:42:55Z",
          "ms": 3261544974835.0737
        },
        "end": {
          "local": "2073-05-10T12:21:08+03:00",
          "utc": "2073-05-10T09:21:08Z",
          "ms": 3261633667946.1714
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-05-09",
          "window": {
            "start": {
              "local": "2073-05-09T19:02:27+03:00",
              "utc": "2073-05-09T16:02:27Z",
              "ms": 3261571347278.455
            },
            "end": {
              "local": "2073-05-09T20:22:52+03:00",
              "utc": "2073-05-09T17:22:52Z",
              "ms": 3261576171579.0337
            }
          },
          "covered_min": 80,
          "window_min": 80,
          "qualifies": true
        },
        {
          "local_date": "2073-05-10",
          "window": {
            "start": {
              "local": "2073-05-10T19:03:18+03:00",
              "utc": "2073-05-10T16:03:18Z",
              "ms": 3261657798061.858
            },
            "end": {
              "local": "2073-05-10T20:23:28+03:00",
              "utc": "2073-05-10T17:23:28Z",
              "ms": 3261662608452.2095
            }
          },
          "covered_min": 0,
          "window_min": 80,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 11:43 on Tue 9 May to 12:21 on Wed 10 May.",
          "fact": "2073-05-09T08:42:55Z → 2073-05-10T09:21:08Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:02–20:23 on the 9th, 19:03–20:23 on the 10th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pradoṣa. It covers 80 of 80 minutes on the 9th and 0 of 80 on the 10th.",
          "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 24130 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Jayantī, Mosul, 2073: Tuesday 9 May.",
          "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": "2073-05-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-05-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Paraśurāma Jayantī 2073 falls on Tuesday 9 May. Tṛtīyā runs from 11:43 on Tue 9 May to 12:21 on Wed 10 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/akshaya-tritiya",
      "festival": "akshaya-tritiya",
      "name": "Akṣaya Tṛtīyā",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-05-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7069,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2073-05-09T11:42:55+03:00",
          "utc": "2073-05-09T08:42:55Z",
          "ms": 3261544974835.0737
        },
        "end": {
          "local": "2073-05-10T12:21:08+03:00",
          "utc": "2073-05-10T09:21:08Z",
          "ms": 3261633667946.1714
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-05-09T11:42:55+03:00",
          "utc": "2073-05-09T08:42:55Z",
          "ms": 3261544974835.0737
        },
        "end": {
          "local": "2073-05-10T12:21:08+03:00",
          "utc": "2073-05-10T09:21:08Z",
          "ms": 3261633667946.1714
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2073-05-09",
          "window": {
            "start": {
              "local": "2073-05-09T05:06:24+03:00",
              "utc": "2073-05-09T02:06:24Z",
              "ms": 3261521184432.2217
            },
            "end": {
              "local": "2073-05-09T09:45:05+03:00",
              "utc": "2073-05-09T06:45:05Z",
              "ms": 3261537905380.9663
            }
          },
          "covered_min": 0,
          "window_min": 279,
          "qualifies": false
        },
        {
          "local_date": "2073-05-10",
          "window": {
            "start": {
              "local": "2073-05-10T05:05:30+03:00",
              "utc": "2073-05-10T02:05:30Z",
              "ms": 3261607529532.796
            },
            "end": {
              "local": "2073-05-10T09:44:46+03:00",
              "utc": "2073-05-10T06:44:46Z",
              "ms": 3261624285709.15
            }
          },
          "covered_min": 279,
          "window_min": 279,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 11:43 on Tue 9 May to 12:21 on Wed 10 May.",
          "fact": "2073-05-09T08:42:55Z → 2073-05-10T09:21:08Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:06–09:45 on the 9th, 05:05–09:45 on the 10th.",
          "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 279 minutes on the 9th and 279 of 279 on the 10th.",
          "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 7069 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Tṛtīyā, Mosul, 2073: Wednesday 10 May.",
          "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": "2073-05-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-05-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Akṣaya Tṛtīyā 2073 falls on Wednesday 10 May. Tṛtīyā runs from 11:43 on Tue 9 May to 12:21 on Wed 10 May and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/vinayaka-chaturthi?on=2073-05-11",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-05-11",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 427,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-05-10T12:21:08+03:00",
          "utc": "2073-05-10T09:21:08Z",
          "ms": 3261633667946.1714
        },
        "end": {
          "local": "2073-05-11T12:35:29+03:00",
          "utc": "2073-05-11T09:35:29Z",
          "ms": 3261720929261.217
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-05-10T12:21:08+03:00",
          "utc": "2073-05-10T09:21:08Z",
          "ms": 3261633667946.1714
        },
        "end": {
          "local": "2073-05-11T12:35:29+03:00",
          "utc": "2073-05-11T09:35:29Z",
          "ms": 3261720929261.217
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-05-10",
          "window": {
            "start": {
              "local": "2073-05-10T11:40:24+03:00",
              "utc": "2073-05-10T08:40:24Z",
              "ms": 3261631223797.327
            },
            "end": {
              "local": "2073-05-10T12:28:24+03:00",
              "utc": "2073-05-10T09:28:24Z",
              "ms": 3261634103797.327
            }
          },
          "covered_min": 7,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-05-11",
          "window": {
            "start": {
              "local": "2073-05-11T11:40:22+03:00",
              "utc": "2073-05-11T08:40:22Z",
              "ms": 3261717622291.293
            },
            "end": {
              "local": "2073-05-11T12:28:22+03:00",
              "utc": "2073-05-11T09:28:22Z",
              "ms": 3261720502291.293
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 12:21 on Wed 10 May to 12:35 on Thu 11 May.",
          "fact": "2073-05-10T09:21:08Z → 2073-05-11T09:35:29Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 10th, 11:40–12:28 on the 11th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 7 of 48 minutes on the 10th and 48 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 427 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Mosul, 2073: Thursday 11 May.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-05-11",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-05-11",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mosul, Vināyaka Caturthī 2073 falls on Thursday 11 May. Caturthī runs from 12:21 on Wed 10 May to 12:35 on Thu 11 May and covers all of madhyāhna that midday. It also reaches the previous midday for 7 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/mosul/festivals/2073/vinayaka-chaturthi?on=2073-05-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/shankara-jayanti",
      "festival": "shankara-jayanti",
      "name": "Śaṅkara Jayantī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-05-12",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 202,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2073-05-11T12:35:29+03:00",
          "utc": "2073-05-11T09:35:29Z",
          "ms": 3261720929261.217
        },
        "end": {
          "local": "2073-05-12T12:24:59+03:00",
          "utc": "2073-05-12T09:24:59Z",
          "ms": 3261806699091.6353
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-05-11T12:35:29+03:00",
          "utc": "2073-05-11T09:35:29Z",
          "ms": 3261720929261.217
        },
        "end": {
          "local": "2073-05-12T12:24:59+03:00",
          "utc": "2073-05-12T09:24:59Z",
          "ms": 3261806699091.6353
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-05-11",
          "window": {
            "start": {
              "local": "2073-05-11T11:40:22+03:00",
              "utc": "2073-05-11T08:40:22Z",
              "ms": 3261717622291.293
            },
            "end": {
              "local": "2073-05-11T12:28:22+03:00",
              "utc": "2073-05-11T09:28:22Z",
              "ms": 3261720502291.293
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-05-12",
          "window": {
            "start": {
              "local": "2073-05-12T11:40:21+03:00",
              "utc": "2073-05-12T08:40:21Z",
              "ms": 3261804021333.4443
            },
            "end": {
              "local": "2073-05-12T12:28:21+03:00",
              "utc": "2073-05-12T09:28:21Z",
              "ms": 3261806901333.4443
            }
          },
          "covered_min": 45,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 12:35 on Thu 11 May to 12:25 on Fri 12 May.",
          "fact": "2073-05-11T09:35:29Z → 2073-05-12T09:24:59Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 11th, 11:40–12:28 on the 12th.",
          "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 11th and 45 of 48 on the 12th.",
          "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 202 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Śaṅkara Jayantī, Mosul, 2073: Friday 12 May.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shankara-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sankara jayanti."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-05-12",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-05-12",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mosul, Śaṅkara Jayantī 2073 falls on Friday 12 May. Pañcamī runs from 12:35 on Thu 11 May to 12:25 on Fri 12 May and covers 45 of 48 minutes of madhyāhna that midday. It is 3 min 22 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/gangotpatti",
      "festival": "gangotpatti",
      "name": "Gaṅgotpatti",
      "everyday": "Ganga Saptami",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-05-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 467,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2073-05-13T11:48:08+03:00",
          "utc": "2073-05-13T08:48:08Z",
          "ms": 3261890887712.329
        },
        "end": {
          "local": "2073-05-14T10:43:23+03:00",
          "utc": "2073-05-14T07:43:23Z",
          "ms": 3261973402698.406
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-05-13T11:48:08+03:00",
          "utc": "2073-05-13T08:48:08Z",
          "ms": 3261890887712.329
        },
        "end": {
          "local": "2073-05-14T10:43:23+03:00",
          "utc": "2073-05-14T07:43:23Z",
          "ms": 3261973402698.406
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-05-13",
          "window": {
            "start": {
              "local": "2073-05-13T11:40:21+03:00",
              "utc": "2073-05-13T08:40:21Z",
              "ms": 3261890420919.675
            },
            "end": {
              "local": "2073-05-13T12:28:21+03:00",
              "utc": "2073-05-13T09:28:21Z",
              "ms": 3261893300919.675
            }
          },
          "covered_min": 40,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-05-14",
          "window": {
            "start": {
              "local": "2073-05-14T11:40:21+03:00",
              "utc": "2073-05-14T08:40:21Z",
              "ms": 3261976821045.779
            },
            "end": {
              "local": "2073-05-14T12:28:21+03:00",
              "utc": "2073-05-14T09:28:21Z",
              "ms": 3261979701045.779
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 11:48 on Sat 13 May to 10:43 on Sun 14 May.",
          "fact": "2073-05-13T08:48:08Z → 2073-05-14T07:43:23Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 13th, 11:40–12:28 on the 14th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 40 of 48 minutes on the 13th and 0 of 48 on the 14th.",
          "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 467 s"
        },
        {
          "step": "ruling",
          "text": "Gaṅgotpatti, Mosul, 2073: Saturday 13 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "gangotpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-05-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-05-13",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mosul, Gaṅgotpatti (Ganga Saptami) 2073 falls on Saturday 13 May. Saptamī runs from 11:48 on Sat 13 May to 10:43 on Sun 14 May and covers 40 of 48 minutes of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/ekadashi?on=2073-05-17",
      "festival": "ekadashi",
      "name": "Mohinī Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-05-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1230,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-05-17T04:39:14+03:00",
          "utc": "2073-05-17T01:39:14Z",
          "ms": 3262210753932.3354
        },
        "end": {
          "local": "2073-05-18T01:48:22+03:00",
          "utc": "2073-05-17T22:48:22Z",
          "ms": 3262286901658.581
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-05-17T04:39:14+03:00",
          "utc": "2073-05-17T01:39:14Z",
          "ms": 3262210753932.3354
        },
        "end": {
          "local": "2073-05-18T01:48:22+03:00",
          "utc": "2073-05-17T22:48:22Z",
          "ms": 3262286901658.581
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-05-17",
          "window": {
            "start": {
              "local": "2073-05-17T04:59:44+03:00",
              "utc": "2073-05-17T01:59:44Z",
              "ms": 3262211984429.2207
            },
            "end": {
              "local": "2073-05-17T04:59:44+03:00",
              "utc": "2073-05-17T01:59:44Z",
              "ms": 3262211984429.2207
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-05-18",
          "window": {
            "start": {
              "local": "2073-05-18T04:59:01+03:00",
              "utc": "2073-05-18T01:59:01Z",
              "ms": 3262298340991.1113
            },
            "end": {
              "local": "2073-05-18T04:59:01+03:00",
              "utc": "2073-05-18T01:59:01Z",
              "ms": 3262298340991.1113
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 04:39 on Wed 17 May to 01:48 on Thu 18 May.",
          "fact": "2073-05-17T01:39:14Z → 2073-05-17T22:48:22Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:00 on the 17th and 04:59 on the 18th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 17th and is not on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 1230 s"
        },
        {
          "step": "ruling",
          "text": "Mohinī Ekādaśī, Mosul, 2073: Wednesday 17 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": "2073-05-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-05-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Mohinī Ekādaśī 2073 falls on Wednesday 17 May. Ekādaśī runs from 04:39 on Wed 17 May to 01:48 on Thu 18 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-05-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/parashurama-dvadashi",
      "festival": "parashurama-dvadashi",
      "name": "Paraśurāma Dvādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-05-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35525,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2073-05-18T01:48:22+03:00",
          "utc": "2073-05-17T22:48:22Z",
          "ms": 3262286901658.581
        },
        "end": {
          "local": "2073-05-18T22:41:05+03:00",
          "utc": "2073-05-18T19:41:05Z",
          "ms": 3262362065110.564
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-05-18T01:48:22+03:00",
          "utc": "2073-05-17T22:48:22Z",
          "ms": 3262286901658.581
        },
        "end": {
          "local": "2073-05-18T22:41:05+03:00",
          "utc": "2073-05-18T19:41:05Z",
          "ms": 3262362065110.564
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-05-18",
          "window": {
            "start": {
              "local": "2073-05-18T11:40:27+03:00",
              "utc": "2073-05-18T08:40:27Z",
              "ms": 3262322426873.172
            },
            "end": {
              "local": "2073-05-18T12:28:27+03:00",
              "utc": "2073-05-18T09:28:27Z",
              "ms": 3262325306873.172
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-05-19",
          "window": {
            "start": {
              "local": "2073-05-19T11:40:30+03:00",
              "utc": "2073-05-19T08:40:30Z",
              "ms": 3262408829645.8765
            },
            "end": {
              "local": "2073-05-19T12:28:30+03:00",
              "utc": "2073-05-19T09:28:30Z",
              "ms": 3262411709645.8765
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 01:48 on Thu 18 May to 22:41 on Thu 18 May.",
          "fact": "2073-05-17T22:48:22Z → 2073-05-18T19:41:05Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 18th, 11:40–12:28 on the 19th.",
          "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 18th and 0 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 35525 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Dvādaśī, Mosul, 2073: Thursday 18 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": "2073-05-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-05-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Paraśurāma Dvādaśī 2073 falls on Thursday 18 May. Dvādaśī runs from 01:48 on Thu 18 May to 22:41 on Thu 18 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/rukmini-dvadashi",
      "festival": "rukmini-dvadashi",
      "name": "Rukmiṇī Dvādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-05-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35525,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2073-05-18T01:48:22+03:00",
          "utc": "2073-05-17T22:48:22Z",
          "ms": 3262286901658.581
        },
        "end": {
          "local": "2073-05-18T22:41:05+03:00",
          "utc": "2073-05-18T19:41:05Z",
          "ms": 3262362065110.564
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-05-18T01:48:22+03:00",
          "utc": "2073-05-17T22:48:22Z",
          "ms": 3262286901658.581
        },
        "end": {
          "local": "2073-05-18T22:41:05+03:00",
          "utc": "2073-05-18T19:41:05Z",
          "ms": 3262362065110.564
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-05-18",
          "window": {
            "start": {
              "local": "2073-05-18T11:40:27+03:00",
              "utc": "2073-05-18T08:40:27Z",
              "ms": 3262322426873.172
            },
            "end": {
              "local": "2073-05-18T12:28:27+03:00",
              "utc": "2073-05-18T09:28:27Z",
              "ms": 3262325306873.172
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-05-19",
          "window": {
            "start": {
              "local": "2073-05-19T11:40:30+03:00",
              "utc": "2073-05-19T08:40:30Z",
              "ms": 3262408829645.8765
            },
            "end": {
              "local": "2073-05-19T12:28:30+03:00",
              "utc": "2073-05-19T09:28:30Z",
              "ms": 3262411709645.8765
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 01:48 on Thu 18 May to 22:41 on Thu 18 May.",
          "fact": "2073-05-17T22:48:22Z → 2073-05-18T19:41:05Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 18th, 11:40–12:28 on the 19th.",
          "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 18th and 0 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 35525 s"
        },
        {
          "step": "ruling",
          "text": "Rukmiṇī Dvādaśī, Mosul, 2073: Thursday 18 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": "2073-05-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-05-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Rukmiṇī Dvādaśī 2073 falls on Thursday 18 May. Dvādaśī runs from 01:48 on Thu 18 May to 22:41 on Thu 18 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/nrisimha-chaturdashi",
      "festival": "nrisimha-chaturdashi",
      "name": "Nṛsiṃha Caturdaśī",
      "everyday": "Narasimha Jayanti",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-05-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 864,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2073-05-19T19:25:04+03:00",
          "utc": "2073-05-19T16:25:04Z",
          "ms": 3262436703790.1016
        },
        "end": {
          "local": "2073-05-20T16:09:16+03:00",
          "utc": "2073-05-20T13:09:16Z",
          "ms": 3262511356484.0923
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-05-19T19:25:04+03:00",
          "utc": "2073-05-19T16:25:04Z",
          "ms": 3262436703790.1016
        },
        "end": {
          "local": "2073-05-20T16:09:16+03:00",
          "utc": "2073-05-20T13:09:16Z",
          "ms": 3262511356484.0923
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-05-19",
          "window": {
            "start": {
              "local": "2073-05-19T19:10:40+03:00",
              "utc": "2073-05-19T16:10:40Z",
              "ms": 3262435840206.5107
            },
            "end": {
              "local": "2073-05-19T20:28:56+03:00",
              "utc": "2073-05-19T17:28:56Z",
              "ms": 3262440536010.1294
            }
          },
          "covered_min": 64,
          "window_min": 78,
          "qualifies": true
        },
        {
          "local_date": "2073-05-20",
          "window": {
            "start": {
              "local": "2073-05-20T19:11:27+03:00",
              "utc": "2073-05-20T16:11:27Z",
              "ms": 3262522287146.972
            },
            "end": {
              "local": "2073-05-20T20:29:32+03:00",
              "utc": "2073-05-20T17:29:32Z",
              "ms": 3262526971521.769
            }
          },
          "covered_min": 0,
          "window_min": 78,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 19:25 on Fri 19 May to 16:09 on Sat 20 May.",
          "fact": "2073-05-19T16:25:04Z → 2073-05-20T13:09:16Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:11–20:29 on the 19th, 19:11–20:30 on the 20th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during pradoṣa. It covers 64 of 78 minutes on the 19th and 0 of 78 on the 20th.",
          "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 864 s"
        },
        {
          "step": "ruling",
          "text": "Nṛsiṃha Caturdaśī, Mosul, 2073: Friday 19 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "nrisimha-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 14 Nrsimha caturdasi (pradosa vyapini — if it occurs on two successive days, the second day is to be observed, special when combined with naksatra 'Svati', yoga 'Siddhi' and 'Saturday')."
          }
        ],
        "not_evaluated": "The row calls the day special with Svātī nakṣatra, Siddhi yoga and a Saturday; none is tested.",
        "kaala": "pradosha",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-05-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-05-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2073 falls on Friday 19 May. Caturdaśī runs from 19:25 on Fri 19 May to 16:09 on Sat 20 May and covers 64 of 78 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/pradosha-vrata?on=2073-05-19",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-05-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 864,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-05-18T22:41:05+03:00",
          "utc": "2073-05-18T19:41:05Z",
          "ms": 3262362065110.564
        },
        "end": {
          "local": "2073-05-19T19:25:04+03:00",
          "utc": "2073-05-19T16:25:04Z",
          "ms": 3262436703790.1016
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-05-18T22:41:05+03:00",
          "utc": "2073-05-18T19:41:05Z",
          "ms": 3262362065110.564
        },
        "end": {
          "local": "2073-05-19T19:25:04+03:00",
          "utc": "2073-05-19T16:25:04Z",
          "ms": 3262436703790.1016
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-05-18",
          "window": {
            "start": {
              "local": "2073-05-18T19:09:53+03:00",
              "utc": "2073-05-18T16:09:53Z",
              "ms": 3262349392755.2324
            },
            "end": {
              "local": "2073-05-18T20:28:20+03:00",
              "utc": "2073-05-18T17:28:20Z",
              "ms": 3262354100265.9004
            }
          },
          "covered_min": 0,
          "window_min": 78,
          "qualifies": false
        },
        {
          "local_date": "2073-05-19",
          "window": {
            "start": {
              "local": "2073-05-19T19:10:40+03:00",
              "utc": "2073-05-19T16:10:40Z",
              "ms": 3262435840206.5107
            },
            "end": {
              "local": "2073-05-19T20:28:56+03:00",
              "utc": "2073-05-19T17:28:56Z",
              "ms": 3262440536010.1294
            }
          },
          "covered_min": 14,
          "window_min": 78,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 22:41 on Thu 18 May to 19:25 on Fri 19 May.",
          "fact": "2073-05-18T19:41:05Z → 2073-05-19T16:25:04Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:10–20:28 on the 18th, 19:11–20:29 on the 19th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 78 minutes on the 18th and 14 of 78 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 864 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Mosul, 2073: Friday 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": "2073-05-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-05-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śukla Pradoṣa Vrata 2073 falls on Friday 19 May. Trayodaśī runs from 22:41 on Thu 18 May to 19:25 on Fri 19 May and covers 14 of 78 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/pradosha-vrata?on=2073-05-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/buddha-purnima",
      "festival": "buddha-purnima",
      "name": "Buddha Pūrṇimā",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-05-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2098,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2073-05-20T16:09:16+03:00",
          "utc": "2073-05-20T13:09:16Z",
          "ms": 3262511356484.0923
        },
        "end": {
          "local": "2073-05-21T13:03:35+03:00",
          "utc": "2073-05-21T10:03:35Z",
          "ms": 3262586614696.233
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-05-20T16:09:16+03:00",
          "utc": "2073-05-20T13:09:16Z",
          "ms": 3262511356484.0923
        },
        "end": {
          "local": "2073-05-21T13:03:35+03:00",
          "utc": "2073-05-21T10:03:35Z",
          "ms": 3262586614696.233
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-05-20",
          "window": {
            "start": {
              "local": "2073-05-20T11:40:33+03:00",
              "utc": "2073-05-20T08:40:33Z",
              "ms": 3262495232940.3115
            },
            "end": {
              "local": "2073-05-20T12:28:33+03:00",
              "utc": "2073-05-20T09:28:33Z",
              "ms": 3262498112940.3115
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-05-21",
          "window": {
            "start": {
              "local": "2073-05-21T11:40:37+03:00",
              "utc": "2073-05-21T08:40:37Z",
              "ms": 3262581636754.0566
            },
            "end": {
              "local": "2073-05-21T12:28:37+03:00",
              "utc": "2073-05-21T09:28:37Z",
              "ms": 3262584516754.0566
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 16:09 on Sat 20 May to 13:04 on Sun 21 May.",
          "fact": "2073-05-20T13:09:16Z → 2073-05-21T10:03:35Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 20th, 11:41–12:29 on the 21st.",
          "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 20th and 48 of 48 on the 21st.",
          "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 2098 s"
        },
        {
          "step": "ruling",
          "text": "Buddha Pūrṇimā, Mosul, 2073: Sunday 21 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": "2073-05-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-05-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Buddha Pūrṇimā 2073 falls on Sunday 21 May. Pūrṇimā runs from 16:09 on Sat 20 May to 13:04 on Sun 21 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/sampat-gauri-vrata",
      "festival": "sampat-gauri-vrata",
      "name": "Sampat Gaurī Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-05-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2098,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2073-05-20T16:09:16+03:00",
          "utc": "2073-05-20T13:09:16Z",
          "ms": 3262511356484.0923
        },
        "end": {
          "local": "2073-05-21T13:03:35+03:00",
          "utc": "2073-05-21T10:03:35Z",
          "ms": 3262586614696.233
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-05-20T16:09:16+03:00",
          "utc": "2073-05-20T13:09:16Z",
          "ms": 3262511356484.0923
        },
        "end": {
          "local": "2073-05-21T13:03:35+03:00",
          "utc": "2073-05-21T10:03:35Z",
          "ms": 3262586614696.233
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-05-20",
          "window": {
            "start": {
              "local": "2073-05-20T11:40:33+03:00",
              "utc": "2073-05-20T08:40:33Z",
              "ms": 3262495232940.3115
            },
            "end": {
              "local": "2073-05-20T12:28:33+03:00",
              "utc": "2073-05-20T09:28:33Z",
              "ms": 3262498112940.3115
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-05-21",
          "window": {
            "start": {
              "local": "2073-05-21T11:40:37+03:00",
              "utc": "2073-05-21T08:40:37Z",
              "ms": 3262581636754.0566
            },
            "end": {
              "local": "2073-05-21T12:28:37+03:00",
              "utc": "2073-05-21T09:28:37Z",
              "ms": 3262584516754.0566
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 16:09 on Sat 20 May to 13:04 on Sun 21 May.",
          "fact": "2073-05-20T13:09:16Z → 2073-05-21T10:03:35Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 20th, 11:41–12:29 on the 21st.",
          "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 20th and 48 of 48 on the 21st.",
          "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 2098 s"
        },
        {
          "step": "ruling",
          "text": "Sampat Gaurī Vrata, Mosul, 2073: Sunday 21 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": "2073-05-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-05-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Sampat Gaurī Vrata 2073 falls on Sunday 21 May. Pūrṇimā runs from 16:09 on Sat 20 May to 13:04 on Sun 21 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/sankashta-chaturthi?on=2073-05-24",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-05-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26487,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-05-24T06:27:07+03:00",
          "utc": "2073-05-24T03:27:07Z",
          "ms": 3262822026637.201
        },
        "end": {
          "local": "2073-05-25T05:37:09+03:00",
          "utc": "2073-05-25T02:37:09Z",
          "ms": 3262905429336.8984
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-05-24T06:27:07+03:00",
          "utc": "2073-05-24T03:27:07Z",
          "ms": 3262822026637.201
        },
        "end": {
          "local": "2073-05-25T05:37:09+03:00",
          "utc": "2073-05-25T02:37:09Z",
          "ms": 3262905429336.8984
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2073-05-23",
          "window": {
            "start": {
              "local": "2073-05-23T21:21:14+03:00",
              "utc": "2073-05-23T18:21:14Z",
              "ms": 3262789273604.523
            },
            "end": {
              "local": "2073-05-23T21:21:14+03:00",
              "utc": "2073-05-23T18:21:14Z",
              "ms": 3262789273604.523
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2073-05-24",
          "window": {
            "start": {
              "local": "2073-05-24T22:15:42+03:00",
              "utc": "2073-05-24T19:15:42Z",
              "ms": 3262878941846.4717
            },
            "end": {
              "local": "2073-05-24T22:15:42+03:00",
              "utc": "2073-05-24T19:15:42Z",
              "ms": 3262878941846.4717
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 06:27 on Wed 24 May to 05:37 on Thu 25 May.",
          "fact": "2073-05-24T03:27:07Z → 2073-05-25T02:37:09Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:21 on the 23rd and 22:16 on the 24th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 23rd and is on the 24th.",
          "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 26487 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mosul, 2073: Wednesday 24 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": "2073-05-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-05-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Saṅkaṣṭa Caturthī 2073 falls on Wednesday 24 May. Caturthī runs from 06:27 on Wed 24 May to 05:37 on Thu 25 May and is current at moonrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/sankashta-chaturthi?on=2073-05-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/ekadashi?on=2073-06-01",
      "festival": "ekadashi",
      "name": "Aparā Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-06-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36573,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-05-31T15:01:36+03:00",
          "utc": "2073-05-31T12:01:36Z",
          "ms": 3263457695582.9497
        },
        "end": {
          "local": "2073-06-01T17:24:13+03:00",
          "utc": "2073-06-01T14:24:13Z",
          "ms": 3263552652816.9185
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-05-31T15:01:36+03:00",
          "utc": "2073-05-31T12:01:36Z",
          "ms": 3263457695582.9497
        },
        "end": {
          "local": "2073-06-01T17:24:13+03:00",
          "utc": "2073-06-01T14:24:13Z",
          "ms": 3263552652816.9185
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-05-31",
          "window": {
            "start": {
              "local": "2073-05-31T04:52:03+03:00",
              "utc": "2073-05-31T01:52:03Z",
              "ms": 3263421122868.592
            },
            "end": {
              "local": "2073-05-31T04:52:03+03:00",
              "utc": "2073-05-31T01:52:03Z",
              "ms": 3263421122868.592
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2073-06-01",
          "window": {
            "start": {
              "local": "2073-06-01T04:51:43+03:00",
              "utc": "2073-06-01T01:51:43Z",
              "ms": 3263507502513.4
            },
            "end": {
              "local": "2073-06-01T04:51:43+03:00",
              "utc": "2073-06-01T01:51:43Z",
              "ms": 3263507502513.4
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 15:02 on Wed 31 May to 17:24 on Thu 1 Jun.",
          "fact": "2073-05-31T12:01:36Z → 2073-06-01T14:24:13Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 04:52 on the 31st and 04:52 on the 1st.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 31st 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 36573 s"
        },
        {
          "step": "ruling",
          "text": "Aparā Ekādaśī, Mosul, 2073: Thursday 1 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": "2073-06-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-06-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Aparā Ekādaśī 2073 falls on Thursday 1 June. Ekādaśī runs from 15:02 on Wed 31 May to 17:24 on Thu 1 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-06-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/pradosha-vrata?on=2073-06-03",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-06-03",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 418,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-06-02T19:27:35+03:00",
          "utc": "2073-06-02T16:27:35Z",
          "ms": 3263646454685.016
        },
        "end": {
          "local": "2073-06-03T21:04:53+03:00",
          "utc": "2073-06-03T18:04:53Z",
          "ms": 3263738693221.6694
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-06-02T19:27:35+03:00",
          "utc": "2073-06-02T16:27:35Z",
          "ms": 3263646454685.016
        },
        "end": {
          "local": "2073-06-03T21:04:53+03:00",
          "utc": "2073-06-03T18:04:53Z",
          "ms": 3263738693221.6694
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-06-02",
          "window": {
            "start": {
              "local": "2073-06-02T19:20:37+03:00",
              "utc": "2073-06-02T16:20:37Z",
              "ms": 3263646037073.6123
            },
            "end": {
              "local": "2073-06-02T20:36:41+03:00",
              "utc": "2073-06-02T17:36:41Z",
              "ms": 3263650601062.927
            }
          },
          "covered_min": 69,
          "window_min": 76,
          "qualifies": true
        },
        {
          "local_date": "2073-06-03",
          "window": {
            "start": {
              "local": "2073-06-03T19:21:14+03:00",
              "utc": "2073-06-03T16:21:14Z",
              "ms": 3263732473501.0054
            },
            "end": {
              "local": "2073-06-03T20:37:11+03:00",
              "utc": "2073-06-03T17:37:11Z",
              "ms": 3263737030611.4546
            }
          },
          "covered_min": 76,
          "window_min": 76,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 19:28 on Fri 2 Jun to 21:05 on Sat 3 Jun.",
          "fact": "2073-06-02T16:27:35Z → 2073-06-03T18:04:53Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:21–20:37 on the 2nd, 19:21–20:37 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 69 of 76 minutes on the 2nd and 76 of 76 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 418 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 2073: Saturday 3 June.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-06-03",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-06-02",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 2073 falls on Saturday 3 June. Trayodaśī runs from 19:28 on Fri 2 Jun to 21:05 on Sat 3 Jun and covers all of pradoṣa that evening. It also reaches the previous evening for 69 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/mosul/festivals/2073/pradosha-vrata?on=2073-06-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/shivaratri?on=2073-06-03",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-06-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5347,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2073-06-03T21:04:53+03:00",
          "utc": "2073-06-03T18:04:53Z",
          "ms": 3263738693221.6694
        },
        "end": {
          "local": "2073-06-04T22:13:07+03:00",
          "utc": "2073-06-04T19:13:07Z",
          "ms": 3263829186726.5254
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-06-03T21:04:53+03:00",
          "utc": "2073-06-03T18:04:53Z",
          "ms": 3263738693221.6694
        },
        "end": {
          "local": "2073-06-04T22:13:07+03:00",
          "utc": "2073-06-04T19:13:07Z",
          "ms": 3263829186726.5254
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2073-06-03",
          "window": {
            "start": {
              "local": "2073-06-03T23:42:03+03:00",
              "utc": "2073-06-03T20:42:03Z",
              "ms": 3263748122665.1904
            },
            "end": {
              "local": "2073-06-04T00:30:03+03:00",
              "utc": "2073-06-03T21:30:03Z",
              "ms": 3263751002665.1904
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-06-04",
          "window": {
            "start": {
              "local": "2073-06-04T23:42:14+03:00",
              "utc": "2073-06-04T20:42:14Z",
              "ms": 3263834533644.286
            },
            "end": {
              "local": "2073-06-05T00:30:14+03:00",
              "utc": "2073-06-04T21:30:14Z",
              "ms": 3263837413644.286
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 21:05 on Sat 3 Jun to 22:13 on Sun 4 Jun.",
          "fact": "2073-06-03T18:04:53Z → 2073-06-04T19:13:07Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:42–00:30 on the 3rd, 23:42–00:30 on the 4th.",
          "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 3rd and 0 of 48 on the 4th.",
          "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 5347 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Mosul, 2073: Saturday 3 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": "2073-06-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-06-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śivarātri 2073 falls on Saturday 3 June. Caturdaśī runs from 21:05 on Sat 3 Jun to 22:13 on Sun 4 Jun and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mosul/festivals/2073/shivaratri?on=2073-06-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/rambha-tritiya",
      "festival": "rambha-tritiya",
      "name": "Rambhā Tṛtīyā",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-06-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35103,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2073-06-07T22:51:03+03:00",
          "utc": "2073-06-07T19:51:03Z",
          "ms": 3264090662718.769
        },
        "end": {
          "local": "2073-06-08T22:16:07+03:00",
          "utc": "2073-06-08T19:16:07Z",
          "ms": 3264174966872.2964
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-06-07T22:51:03+03:00",
          "utc": "2073-06-07T19:51:03Z",
          "ms": 3264090662718.769
        },
        "end": {
          "local": "2073-06-08T22:16:07+03:00",
          "utc": "2073-06-08T19:16:07Z",
          "ms": 3264174966872.2964
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-06-07",
          "window": {
            "start": {
              "local": "2073-06-07T11:42:53+03:00",
              "utc": "2073-06-07T08:42:53Z",
              "ms": 3264050572578.632
            },
            "end": {
              "local": "2073-06-07T12:30:53+03:00",
              "utc": "2073-06-07T09:30:53Z",
              "ms": 3264053452578.632
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-06-08",
          "window": {
            "start": {
              "local": "2073-06-08T11:43:04+03:00",
              "utc": "2073-06-08T08:43:04Z",
              "ms": 3264136983862.258
            },
            "end": {
              "local": "2073-06-08T12:31:04+03:00",
              "utc": "2073-06-08T09:31:04Z",
              "ms": 3264139863862.258
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 22:51 on Wed 7 Jun to 22:16 on Thu 8 Jun.",
          "fact": "2073-06-07T19:51:03Z → 2073-06-08T19:16:07Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 7th, 11:43–12:31 on the 8th.",
          "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 7th and 48 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 35103 s"
        },
        {
          "step": "ruling",
          "text": "Rambhā Tṛtīyā, Mosul, 2073: Thursday 8 June.",
          "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": "2073-06-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-06-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Rambhā Tṛtīyā 2073 falls on Thursday 8 June. Tṛtīyā runs from 22:51 on Wed 7 Jun to 22:16 on Thu 8 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/vinayaka-chaturthi?on=2073-06-09",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-06-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31801,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-06-08T22:16:07+03:00",
          "utc": "2073-06-08T19:16:07Z",
          "ms": 3264174966872.2964
        },
        "end": {
          "local": "2073-06-09T21:21:16+03:00",
          "utc": "2073-06-09T18:21:16Z",
          "ms": 3264258076456.56
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-06-08T22:16:07+03:00",
          "utc": "2073-06-08T19:16:07Z",
          "ms": 3264174966872.2964
        },
        "end": {
          "local": "2073-06-09T21:21:16+03:00",
          "utc": "2073-06-09T18:21:16Z",
          "ms": 3264258076456.56
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-06-08",
          "window": {
            "start": {
              "local": "2073-06-08T11:43:04+03:00",
              "utc": "2073-06-08T08:43:04Z",
              "ms": 3264136983862.258
            },
            "end": {
              "local": "2073-06-08T12:31:04+03:00",
              "utc": "2073-06-08T09:31:04Z",
              "ms": 3264139863862.258
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-06-09",
          "window": {
            "start": {
              "local": "2073-06-09T11:43:15+03:00",
              "utc": "2073-06-09T08:43:15Z",
              "ms": 3264223395377.3896
            },
            "end": {
              "local": "2073-06-09T12:31:15+03:00",
              "utc": "2073-06-09T09:31:15Z",
              "ms": 3264226275377.3896
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 22:16 on Thu 8 Jun to 21:21 on Fri 9 Jun.",
          "fact": "2073-06-08T19:16:07Z → 2073-06-09T18:21:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 8th, 11:43–12:31 on the 9th.",
          "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 8th and 48 of 48 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 31801 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Mosul, 2073: Friday 9 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": "2073-06-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-06-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Vināyaka Caturthī 2073 falls on Friday 9 June. Caturthī runs from 22:16 on Thu 8 Jun to 21:21 on Fri 9 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/vinayaka-chaturthi?on=2073-06-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/aranya-gauri-vrata",
      "festival": "aranya-gauri-vrata",
      "name": "Araṇya Gaurī Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-06-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21912,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2073-06-10T20:07:55+03:00",
          "utc": "2073-06-10T17:07:55Z",
          "ms": 3264340075025.026
        },
        "end": {
          "local": "2073-06-11T18:36:51+03:00",
          "utc": "2073-06-11T15:36:51Z",
          "ms": 3264421010783.8345
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-06-10T20:07:55+03:00",
          "utc": "2073-06-10T17:07:55Z",
          "ms": 3264340075025.026
        },
        "end": {
          "local": "2073-06-11T18:36:51+03:00",
          "utc": "2073-06-11T15:36:51Z",
          "ms": 3264421010783.8345
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-06-10",
          "window": {
            "start": {
              "local": "2073-06-10T11:43:27+03:00",
              "utc": "2073-06-10T08:43:27Z",
              "ms": 3264309807099.1016
            },
            "end": {
              "local": "2073-06-10T12:31:27+03:00",
              "utc": "2073-06-10T09:31:27Z",
              "ms": 3264312687099.1016
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-06-11",
          "window": {
            "start": {
              "local": "2073-06-11T11:43:39+03:00",
              "utc": "2073-06-11T08:43:39Z",
              "ms": 3264396219002.6895
            },
            "end": {
              "local": "2073-06-11T12:31:39+03:00",
              "utc": "2073-06-11T09:31:39Z",
              "ms": 3264399099002.6895
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 20:08 on Sat 10 Jun to 18:37 on Sun 11 Jun.",
          "fact": "2073-06-10T17:07:55Z → 2073-06-11T15:36:51Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 10th, 11:44–12:32 on the 11th.",
          "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 10th and 48 of 48 on the 11th.",
          "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 21912 s"
        },
        {
          "step": "ruling",
          "text": "Araṇya Gaurī Vrata, Mosul, 2073: Sunday 11 June.",
          "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": "2073-06-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-06-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Araṇya Gaurī Vrata 2073 falls on Sunday 11 June. Ṣaṣṭhī runs from 20:08 on Sat 10 Jun to 18:37 on Sun 11 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/skanda-shashthi-jyaishtha",
      "festival": "skanda-shashthi-jyaishtha",
      "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-06-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21912,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2073-06-10T20:07:55+03:00",
          "utc": "2073-06-10T17:07:55Z",
          "ms": 3264340075025.026
        },
        "end": {
          "local": "2073-06-11T18:36:51+03:00",
          "utc": "2073-06-11T15:36:51Z",
          "ms": 3264421010783.8345
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-06-10T20:07:55+03:00",
          "utc": "2073-06-10T17:07:55Z",
          "ms": 3264340075025.026
        },
        "end": {
          "local": "2073-06-11T18:36:51+03:00",
          "utc": "2073-06-11T15:36:51Z",
          "ms": 3264421010783.8345
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-06-10",
          "window": {
            "start": {
              "local": "2073-06-10T11:43:27+03:00",
              "utc": "2073-06-10T08:43:27Z",
              "ms": 3264309807099.1016
            },
            "end": {
              "local": "2073-06-10T12:31:27+03:00",
              "utc": "2073-06-10T09:31:27Z",
              "ms": 3264312687099.1016
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-06-11",
          "window": {
            "start": {
              "local": "2073-06-11T11:43:39+03:00",
              "utc": "2073-06-11T08:43:39Z",
              "ms": 3264396219002.6895
            },
            "end": {
              "local": "2073-06-11T12:31:39+03:00",
              "utc": "2073-06-11T09:31:39Z",
              "ms": 3264399099002.6895
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 20:08 on Sat 10 Jun to 18:37 on Sun 11 Jun.",
          "fact": "2073-06-10T17:07:55Z → 2073-06-11T15:36:51Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 10th, 11:44–12:32 on the 11th.",
          "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 10th and 48 of 48 on the 11th.",
          "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 21912 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Mosul, 2073: Sunday 11 June.",
          "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": "2073-06-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-06-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2073 falls on Sunday 11 June. Ṣaṣṭhī runs from 20:08 on Sat 10 Jun to 18:37 on Sun 11 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/ekadashi?on=2073-06-16",
      "festival": "ekadashi",
      "name": "Nirjalā Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-06-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8835,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-06-15T09:54:56+03:00",
          "utc": "2073-06-15T06:54:56Z",
          "ms": 3264735295545.682
        },
        "end": {
          "local": "2073-06-16T07:17:17+03:00",
          "utc": "2073-06-16T04:17:17Z",
          "ms": 3264812237032.568
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-06-15T09:54:56+03:00",
          "utc": "2073-06-15T06:54:56Z",
          "ms": 3264735295545.682
        },
        "end": {
          "local": "2073-06-16T07:17:17+03:00",
          "utc": "2073-06-16T04:17:17Z",
          "ms": 3264812237032.568
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-06-15",
          "window": {
            "start": {
              "local": "2073-06-15T04:49:57+03:00",
              "utc": "2073-06-15T01:49:57Z",
              "ms": 3264716997362.3853
            },
            "end": {
              "local": "2073-06-15T04:49:57+03:00",
              "utc": "2073-06-15T01:49:57Z",
              "ms": 3264716997362.3853
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2073-06-16",
          "window": {
            "start": {
              "local": "2073-06-16T04:50:02+03:00",
              "utc": "2073-06-16T01:50:02Z",
              "ms": 3264803402346.7563
            },
            "end": {
              "local": "2073-06-16T04:50:02+03:00",
              "utc": "2073-06-16T01:50:02Z",
              "ms": 3264803402346.7563
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 09:55 on Thu 15 Jun to 07:17 on Fri 16 Jun.",
          "fact": "2073-06-15T06:54:56Z → 2073-06-16T04:17:17Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 04:50 on the 15th and 04:50 on the 16th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 15th and is on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 8835 s"
        },
        {
          "step": "ruling",
          "text": "Nirjalā Ekādaśī, Mosul, 2073: Friday 16 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-06-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-06-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Nirjalā Ekādaśī 2073 falls on Friday 16 June. Ekādaśī runs from 09:55 on Thu 15 Jun to 07:17 on Fri 16 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-06-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/shri-rama-dvadashi",
      "festival": "shri-rama-dvadashi",
      "name": "Śrī Rāma Dvādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-06-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16043,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2073-06-16T07:17:17+03:00",
          "utc": "2073-06-16T04:17:17Z",
          "ms": 3264812237032.568
        },
        "end": {
          "local": "2073-06-17T04:38:11+03:00",
          "utc": "2073-06-17T01:38:11Z",
          "ms": 3264889091140.759
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-06-16T07:17:17+03:00",
          "utc": "2073-06-16T04:17:17Z",
          "ms": 3264812237032.568
        },
        "end": {
          "local": "2073-06-17T04:38:11+03:00",
          "utc": "2073-06-17T01:38:11Z",
          "ms": 3264889091140.759
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-06-16",
          "window": {
            "start": {
              "local": "2073-06-16T11:44:40+03:00",
              "utc": "2073-06-16T08:44:40Z",
              "ms": 3264828280433.8926
            },
            "end": {
              "local": "2073-06-16T12:32:40+03:00",
              "utc": "2073-06-16T09:32:40Z",
              "ms": 3264831160433.8926
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-06-17",
          "window": {
            "start": {
              "local": "2073-06-17T11:44:53+03:00",
              "utc": "2073-06-17T08:44:53Z",
              "ms": 3264914692953.2417
            },
            "end": {
              "local": "2073-06-17T12:32:53+03:00",
              "utc": "2073-06-17T09:32:53Z",
              "ms": 3264917572953.2417
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 07:17 on Fri 16 Jun to 04:38 on Sat 17 Jun.",
          "fact": "2073-06-16T04:17:17Z → 2073-06-17T01:38:11Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 16th, 11:45–12:33 on the 17th.",
          "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 16th and 0 of 48 on the 17th.",
          "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 16043 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Rāma Dvādaśī, Mosul, 2073: Friday 16 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": "2073-06-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-06-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śrī Rāma Dvādaśī 2073 falls on Friday 16 June. Dvādaśī runs from 07:17 on Fri 16 Jun to 04:38 on Sat 17 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/pradosha-vrata?on=2073-06-17",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-06-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19317,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-06-17T04:38:11+03:00",
          "utc": "2073-06-17T01:38:11Z",
          "ms": 3264889091140.759
        },
        "end": {
          "local": "2073-06-18T02:04:35+03:00",
          "utc": "2073-06-17T23:04:35Z",
          "ms": 3264966274913.538
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-06-17T04:38:11+03:00",
          "utc": "2073-06-17T01:38:11Z",
          "ms": 3264889091140.759
        },
        "end": {
          "local": "2073-06-18T02:04:35+03:00",
          "utc": "2073-06-17T23:04:35Z",
          "ms": 3264966274913.538
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-06-16",
          "window": {
            "start": {
              "local": "2073-06-16T19:27:19+03:00",
              "utc": "2073-06-16T16:27:19Z",
              "ms": 3264856038521.0293
            },
            "end": {
              "local": "2073-06-16T20:42:21+03:00",
              "utc": "2073-06-16T17:42:21Z",
              "ms": 3264860541242.146
            }
          },
          "covered_min": 0,
          "window_min": 75,
          "qualifies": false
        },
        {
          "local_date": "2073-06-17",
          "window": {
            "start": {
              "local": "2073-06-17T19:27:37+03:00",
              "utc": "2073-06-17T16:27:37Z",
              "ms": 3264942456977.0786
            },
            "end": {
              "local": "2073-06-17T20:42:38+03:00",
              "utc": "2073-06-17T17:42:38Z",
              "ms": 3264946958326.098
            }
          },
          "covered_min": 75,
          "window_min": 75,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 04:38 on Sat 17 Jun to 02:05 on Sun 18 Jun.",
          "fact": "2073-06-17T01:38:11Z → 2073-06-17T23:04:35Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:27–20:42 on the 16th, 19:28–20:43 on the 17th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 75 minutes on the 16th and 75 of 75 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 19317 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Mosul, 2073: Saturday 17 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-06-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-06-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śukla Pradoṣa Vrata 2073 falls on Saturday 17 June. Trayodaśī runs from 04:38 on Sat 17 Jun to 02:05 on Sun 18 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/pradosha-vrata?on=2073-06-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/vata-savitri-vrata",
      "festival": "vata-savitri-vrata",
      "name": "Vaṭa Sāvitrī Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-06-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3740,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2073-06-18T23:44:17+03:00",
          "utc": "2073-06-18T20:44:17Z",
          "ms": 3265044257089.7817
        },
        "end": {
          "local": "2073-06-19T21:45:30+03:00",
          "utc": "2073-06-19T18:45:30Z",
          "ms": 3265123529551.0786
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-06-18T23:44:17+03:00",
          "utc": "2073-06-18T20:44:17Z",
          "ms": 3265044257089.7817
        },
        "end": {
          "local": "2073-06-19T21:45:30+03:00",
          "utc": "2073-06-19T18:45:30Z",
          "ms": 3265123529551.0786
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-06-18",
          "window": {
            "start": {
              "local": "2073-06-18T19:27:54+03:00",
              "utc": "2073-06-18T16:27:54Z",
              "ms": 3265028873914.508
            },
            "end": {
              "local": "2073-06-18T20:42:54+03:00",
              "utc": "2073-06-18T17:42:54Z",
              "ms": 3265033374302.751
            }
          },
          "covered_min": 0,
          "window_min": 75,
          "qualifies": false
        },
        {
          "local_date": "2073-06-19",
          "window": {
            "start": {
              "local": "2073-06-19T19:28:09+03:00",
              "utc": "2073-06-19T16:28:09Z",
              "ms": 3265115289312.721
            },
            "end": {
              "local": "2073-06-19T20:43:09+03:00",
              "utc": "2073-06-19T17:43:09Z",
              "ms": 3265119789151.947
            }
          },
          "covered_min": 75,
          "window_min": 75,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 23:44 on Sun 18 Jun to 21:45 on Mon 19 Jun.",
          "fact": "2073-06-18T20:44:17Z → 2073-06-19T18:45:30Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:28–20:43 on the 18th, 19:28–20:43 on the 19th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 75 minutes on the 18th and 75 of 75 on the 19th.",
          "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 3740 s"
        },
        {
          "step": "ruling",
          "text": "Vaṭa Sāvitrī Vrata, Mosul, 2073: Monday 19 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": "2073-06-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-06-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Vaṭa Sāvitrī Vrata 2073 falls on Monday 19 June. Pūrṇimā runs from 23:44 on Sun 18 Jun to 21:45 on Mon 19 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/sankashta-chaturthi?on=2073-06-22",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-06-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8903,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-06-22T19:11:53+03:00",
          "utc": "2073-06-22T16:11:53Z",
          "ms": 3265373512662.683
        },
        "end": {
          "local": "2073-06-23T19:43:59+03:00",
          "utc": "2073-06-23T16:43:59Z",
          "ms": 3265461839245.2925
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-06-22T19:11:53+03:00",
          "utc": "2073-06-22T16:11:53Z",
          "ms": 3265373512662.683
        },
        "end": {
          "local": "2073-06-23T19:43:59+03:00",
          "utc": "2073-06-23T16:43:59Z",
          "ms": 3265461839245.2925
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2073-06-22",
          "window": {
            "start": {
              "local": "2073-06-22T21:40:15+03:00",
              "utc": "2073-06-22T18:40:15Z",
              "ms": 3265382415494.3164
            },
            "end": {
              "local": "2073-06-22T21:40:15+03:00",
              "utc": "2073-06-22T18:40:15Z",
              "ms": 3265382415494.3164
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-06-23",
          "window": {
            "start": {
              "local": "2073-06-23T22:20:18+03:00",
              "utc": "2073-06-23T19:20:18Z",
              "ms": 3265471217736.9326
            },
            "end": {
              "local": "2073-06-23T22:20:18+03:00",
              "utc": "2073-06-23T19:20:18Z",
              "ms": 3265471217736.9326
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 19:12 on Thu 22 Jun to 19:44 on Fri 23 Jun.",
          "fact": "2073-06-22T16:11:53Z → 2073-06-23T16:43:59Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:40 on the 22nd and 22:20 on the 23rd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 22nd and is not on the 23rd.",
          "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 8903 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mosul, 2073: Thursday 22 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": "2073-06-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-06-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Saṅkaṣṭa Caturthī 2073 falls on Thursday 22 June. Caturthī runs from 19:12 on Thu 22 Jun to 19:44 on Fri 23 Jun and is current at moonrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/sankashta-chaturthi?on=2073-06-22",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/ekadashi?on=2073-07-01",
      "festival": "ekadashi",
      "name": "Yoginī Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-07-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10723,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-06-30T07:52:34+03:00",
          "utc": "2073-06-30T04:52:34Z",
          "ms": 3266023954218.8203
        },
        "end": {
          "local": "2073-07-01T09:30:13+03:00",
          "utc": "2073-07-01T06:30:13Z",
          "ms": 3266116212824.348
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-06-30T07:52:34+03:00",
          "utc": "2073-06-30T04:52:34Z",
          "ms": 3266023954218.8203
        },
        "end": {
          "local": "2073-07-01T09:30:13+03:00",
          "utc": "2073-07-01T06:30:13Z",
          "ms": 3266116212824.348
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-06-30",
          "window": {
            "start": {
              "local": "2073-06-30T04:53:51+03:00",
              "utc": "2073-06-30T01:53:51Z",
              "ms": 3266013231260.008
            },
            "end": {
              "local": "2073-06-30T04:53:51+03:00",
              "utc": "2073-06-30T01:53:51Z",
              "ms": 3266013231260.008
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2073-07-01",
          "window": {
            "start": {
              "local": "2073-07-01T04:54:18+03:00",
              "utc": "2073-07-01T01:54:18Z",
              "ms": 3266099658004.5933
            },
            "end": {
              "local": "2073-07-01T04:54:18+03:00",
              "utc": "2073-07-01T01:54:18Z",
              "ms": 3266099658004.5933
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 07:53 on Fri 30 Jun to 09:30 on Sat 1 Jul.",
          "fact": "2073-06-30T04:52:34Z → 2073-07-01T06:30:13Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 04:54 on the 30th and 04:54 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 10723 s"
        },
        {
          "step": "ruling",
          "text": "Yoginī Ekādaśī, Mosul, 2073: Saturday 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": "2073-07-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-07-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Yoginī Ekādaśī 2073 falls on Saturday 1 July. Ekādaśī runs from 07:53 on Fri 30 Jun to 09:30 on Sat 1 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-07-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/pradosha-vrata?on=2073-07-02",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-07-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30383,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-07-02T10:34:19+03:00",
          "utc": "2073-07-02T07:34:19Z",
          "ms": 3266206458726.896
        },
        "end": {
          "local": "2073-07-03T11:02:31+03:00",
          "utc": "2073-07-03T08:02:31Z",
          "ms": 3266294550615.4087
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-07-02T10:34:19+03:00",
          "utc": "2073-07-02T07:34:19Z",
          "ms": 3266206458726.896
        },
        "end": {
          "local": "2073-07-03T11:02:31+03:00",
          "utc": "2073-07-03T08:02:31Z",
          "ms": 3266294550615.4087
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-07-02",
          "window": {
            "start": {
              "local": "2073-07-02T19:29:01+03:00",
              "utc": "2073-07-02T16:29:01Z",
              "ms": 3266238541427.77
            },
            "end": {
              "local": "2073-07-02T20:44:31+03:00",
              "utc": "2073-07-02T17:44:31Z",
              "ms": 3266243071252.78
            }
          },
          "covered_min": 75,
          "window_min": 75,
          "qualifies": true
        },
        {
          "local_date": "2073-07-03",
          "window": {
            "start": {
              "local": "2073-07-03T19:28:54+03:00",
              "utc": "2073-07-03T16:28:54Z",
              "ms": 3266324933543.36
            },
            "end": {
              "local": "2073-07-03T20:44:28+03:00",
              "utc": "2073-07-03T17:44:28Z",
              "ms": 3266329468458.246
            }
          },
          "covered_min": 0,
          "window_min": 76,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 10:34 on Sun 2 Jul to 11:03 on Mon 3 Jul.",
          "fact": "2073-07-02T07:34:19Z → 2073-07-03T08:02:31Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:29–20:45 on the 2nd, 19:29–20:44 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 75 of 75 minutes on the 2nd and 0 of 76 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 30383 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 2073: Sunday 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": "2073-07-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-07-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 2073 falls on Sunday 2 July. Trayodaśī runs from 10:34 on Sun 2 Jul to 11:03 on Mon 3 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/pradosha-vrata?on=2073-07-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/shivaratri?on=2073-07-03",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-07-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37165,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2073-07-03T11:02:31+03:00",
          "utc": "2073-07-03T08:02:31Z",
          "ms": 3266294550615.4087
        },
        "end": {
          "local": "2073-07-04T10:55:45+03:00",
          "utc": "2073-07-04T07:55:45Z",
          "ms": 3266380544694.209
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-07-03T11:02:31+03:00",
          "utc": "2073-07-03T08:02:31Z",
          "ms": 3266294550615.4087
        },
        "end": {
          "local": "2073-07-04T10:55:45+03:00",
          "utc": "2073-07-04T07:55:45Z",
          "ms": 3266380544694.209
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2073-07-02",
          "window": {
            "start": {
              "local": "2073-07-02T23:48:08+03:00",
              "utc": "2073-07-02T20:48:08Z",
              "ms": 3266254088271.5566
            },
            "end": {
              "local": "2073-07-03T00:36:08+03:00",
              "utc": "2073-07-02T21:36:08Z",
              "ms": 3266256968271.5566
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-07-03",
          "window": {
            "start": {
              "local": "2073-07-03T23:48:19+03:00",
              "utc": "2073-07-03T20:48:19Z",
              "ms": 3266340499474.184
            },
            "end": {
              "local": "2073-07-04T00:36:19+03:00",
              "utc": "2073-07-03T21:36:19Z",
              "ms": 3266343379474.184
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 11:03 on Mon 3 Jul to 10:56 on Tue 4 Jul.",
          "fact": "2073-07-03T08:02:31Z → 2073-07-04T07:55:45Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:48–00:36 on the 2nd, 23:48–00:36 on the 3rd.",
          "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 2nd and 48 of 48 on the 3rd.",
          "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 37165 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Mosul, 2073: Monday 3 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": "2073-07-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-07-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śivarātri 2073 falls on Monday 3 July. Caturdaśī runs from 11:03 on Mon 3 Jul to 10:56 on Tue 4 Jul and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mosul/festivals/2073/shivaratri?on=2073-07-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/rathayatra",
      "festival": "rathayatra",
      "name": "Rathayātrā",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-07-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9420,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2073-07-06T09:11:34+03:00",
          "utc": "2073-07-06T06:11:34Z",
          "ms": 3266547094367.973
        },
        "end": {
          "local": "2073-07-07T07:43:44+03:00",
          "utc": "2073-07-07T04:43:44Z",
          "ms": 3266628223590.8574
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-07-06T09:11:34+03:00",
          "utc": "2073-07-06T06:11:34Z",
          "ms": 3266547094367.973
        },
        "end": {
          "local": "2073-07-07T07:43:44+03:00",
          "utc": "2073-07-07T04:43:44Z",
          "ms": 3266628223590.8574
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-07-06",
          "window": {
            "start": {
              "local": "2073-07-06T11:48:34+03:00",
              "utc": "2073-07-06T08:48:34Z",
              "ms": 3266556514299.4033
            },
            "end": {
              "local": "2073-07-06T12:36:34+03:00",
              "utc": "2073-07-06T09:36:34Z",
              "ms": 3266559394299.4033
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-07-07",
          "window": {
            "start": {
              "local": "2073-07-07T11:48:44+03:00",
              "utc": "2073-07-07T08:48:44Z",
              "ms": 3266642923569.621
            },
            "end": {
              "local": "2073-07-07T12:36:44+03:00",
              "utc": "2073-07-07T09:36:44Z",
              "ms": 3266645803569.621
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 09:12 on Thu 6 Jul to 07:44 on Fri 7 Jul.",
          "fact": "2073-07-06T06:11:34Z → 2073-07-07T04:43:44Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 6th, 11:49–12:37 on the 7th.",
          "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 6th and 0 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 9420 s"
        },
        {
          "step": "ruling",
          "text": "Rathayātrā, Mosul, 2073: Thursday 6 July.",
          "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": "2073-07-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-07-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Rathayātrā 2073 falls on Thursday 6 July. Dvitīyā runs from 09:12 on Thu 6 Jul to 07:44 on Fri 7 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/vinayaka-chaturthi?on=2073-07-08",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-07-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21016,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-07-08T05:58:37+03:00",
          "utc": "2073-07-08T02:58:37Z",
          "ms": 3266708316879.3354
        },
        "end": {
          "local": "2073-07-09T04:00:40+03:00",
          "utc": "2073-07-09T01:00:40Z",
          "ms": 3266787639698.978
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-07-08T05:58:37+03:00",
          "utc": "2073-07-08T02:58:37Z",
          "ms": 3266708316879.3354
        },
        "end": {
          "local": "2073-07-09T04:00:40+03:00",
          "utc": "2073-07-09T01:00:40Z",
          "ms": 3266787639698.978
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-07-08",
          "window": {
            "start": {
              "local": "2073-07-08T11:48:52+03:00",
              "utc": "2073-07-08T08:48:52Z",
              "ms": 3266729332441.389
            },
            "end": {
              "local": "2073-07-08T12:36:52+03:00",
              "utc": "2073-07-08T09:36:52Z",
              "ms": 3266732212441.389
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-07-09",
          "window": {
            "start": {
              "local": "2073-07-09T11:49:01+03:00",
              "utc": "2073-07-09T08:49:01Z",
              "ms": 3266815740892.9263
            },
            "end": {
              "local": "2073-07-09T12:37:01+03:00",
              "utc": "2073-07-09T09:37:01Z",
              "ms": 3266818620892.9263
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 05:59 on Sat 8 Jul to 04:01 on Sun 9 Jul.",
          "fact": "2073-07-08T02:58:37Z → 2073-07-09T01:00:40Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 8th, 11:49–12:37 on the 9th.",
          "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 8th and 0 of 48 on the 9th.",
          "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 21016 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Mosul, 2073: Saturday 8 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": "2073-07-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-07-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Vināyaka Caturthī 2073 falls on Saturday 8 July. Caturthī runs from 05:59 on Sat 8 Jul to 04:01 on Sun 9 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/vinayaka-chaturthi?on=2073-07-08",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/skanda-panchami",
      "festival": "skanda-panchami",
      "name": "Skanda Pañcamī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-07-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28101,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2073-07-09T04:00:40+03:00",
          "utc": "2073-07-09T01:00:40Z",
          "ms": 3266787639698.978
        },
        "end": {
          "local": "2073-07-10T01:53:40+03:00",
          "utc": "2073-07-09T22:53:40Z",
          "ms": 3266866420305.323
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-07-09T04:00:40+03:00",
          "utc": "2073-07-09T01:00:40Z",
          "ms": 3266787639698.978
        },
        "end": {
          "local": "2073-07-10T01:53:40+03:00",
          "utc": "2073-07-09T22:53:40Z",
          "ms": 3266866420305.323
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-07-09",
          "window": {
            "start": {
              "local": "2073-07-09T11:49:01+03:00",
              "utc": "2073-07-09T08:49:01Z",
              "ms": 3266815740892.9263
            },
            "end": {
              "local": "2073-07-09T12:37:01+03:00",
              "utc": "2073-07-09T09:37:01Z",
              "ms": 3266818620892.9263
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-07-10",
          "window": {
            "start": {
              "local": "2073-07-10T11:49:09+03:00",
              "utc": "2073-07-10T08:49:09Z",
              "ms": 3266902148903.923
            },
            "end": {
              "local": "2073-07-10T12:37:09+03:00",
              "utc": "2073-07-10T09:37:09Z",
              "ms": 3266905028903.923
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 04:01 on Sun 9 Jul to 01:54 on Mon 10 Jul.",
          "fact": "2073-07-09T01:00:40Z → 2073-07-09T22:53:40Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 9th, 11:49–12:37 on the 10th.",
          "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 9th and 0 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 28101 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Pañcamī, Mosul, 2073: Sunday 9 July.",
          "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": "2073-07-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-07-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Skanda Pañcamī 2073 falls on Sunday 9 July. Pañcamī runs from 04:01 on Sun 9 Jul to 01:54 on Mon 10 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/vivasvat-saptami",
      "festival": "vivasvat-saptami",
      "name": "Vivasvat Saptamī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-07-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31668,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2073-07-10T23:40:52+03:00",
          "utc": "2073-07-10T20:40:52Z",
          "ms": 3266944852160.74
        },
        "end": {
          "local": "2073-07-11T21:25:05+03:00",
          "utc": "2073-07-11T18:25:05Z",
          "ms": 3267023104752.7886
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-07-10T23:40:52+03:00",
          "utc": "2073-07-10T20:40:52Z",
          "ms": 3266944852160.74
        },
        "end": {
          "local": "2073-07-11T21:25:05+03:00",
          "utc": "2073-07-11T18:25:05Z",
          "ms": 3267023104752.7886
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-07-10",
          "window": {
            "start": {
              "local": "2073-07-10T11:49:09+03:00",
              "utc": "2073-07-10T08:49:09Z",
              "ms": 3266902148903.923
            },
            "end": {
              "local": "2073-07-10T12:37:09+03:00",
              "utc": "2073-07-10T09:37:09Z",
              "ms": 3266905028903.923
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-07-11",
          "window": {
            "start": {
              "local": "2073-07-11T11:49:16+03:00",
              "utc": "2073-07-11T08:49:16Z",
              "ms": 3266988556455.845
            },
            "end": {
              "local": "2073-07-11T12:37:16+03:00",
              "utc": "2073-07-11T09:37:16Z",
              "ms": 3266991436455.845
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 23:41 on Mon 10 Jul to 21:25 on Tue 11 Jul.",
          "fact": "2073-07-10T20:40:52Z → 2073-07-11T18:25:05Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 10th, 11:49–12:37 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 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. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 31668 s"
        },
        {
          "step": "ruling",
          "text": "Vivasvat Saptamī, Mosul, 2073: Tuesday 11 July.",
          "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": "2073-07-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-07-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Vivasvat Saptamī 2073 falls on Tuesday 11 July. Saptamī runs from 23:41 on Mon 10 Jul to 21:25 on Tue 11 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/ekadashi?on=2073-07-15",
      "festival": "ekadashi",
      "name": "Hariśayanī Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-07-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28030,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-07-14T14:47:42+03:00",
          "utc": "2073-07-14T11:47:42Z",
          "ms": 3267258462057.719
        },
        "end": {
          "local": "2073-07-15T12:49:32+03:00",
          "utc": "2073-07-15T09:49:32Z",
          "ms": 3267337772267.1855
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-07-14T14:47:42+03:00",
          "utc": "2073-07-14T11:47:42Z",
          "ms": 3267258462057.719
        },
        "end": {
          "local": "2073-07-15T12:49:32+03:00",
          "utc": "2073-07-15T09:49:32Z",
          "ms": 3267337772267.1855
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-07-14",
          "window": {
            "start": {
              "local": "2073-07-14T05:01:42+03:00",
              "utc": "2073-07-14T02:01:42Z",
              "ms": 3267223302182.8945
            },
            "end": {
              "local": "2073-07-14T05:01:42+03:00",
              "utc": "2073-07-14T02:01:42Z",
              "ms": 3267223302182.8945
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2073-07-15",
          "window": {
            "start": {
              "local": "2073-07-15T05:02:22+03:00",
              "utc": "2073-07-15T02:02:22Z",
              "ms": 3267309742373.2476
            },
            "end": {
              "local": "2073-07-15T05:02:22+03:00",
              "utc": "2073-07-15T02:02:22Z",
              "ms": 3267309742373.2476
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 14:48 on Fri 14 Jul to 12:50 on Sat 15 Jul.",
          "fact": "2073-07-14T11:47:42Z → 2073-07-15T09:49:32Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:02 on the 14th and 05:02 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 28030 s"
        },
        {
          "step": "ruling",
          "text": "Hariśayanī Ekādaśī, Mosul, 2073: Saturday 15 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-07-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-07-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Hariśayanī Ekādaśī 2073 falls on Saturday 15 July. Ekādaśī runs from 14:48 on Fri 14 Jul to 12:50 on Sat 15 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-07-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/pradosha-vrata?on=2073-07-16",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-07-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29950,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-07-16T11:05:20+03:00",
          "utc": "2073-07-16T08:05:20Z",
          "ms": 3267417920362.491
        },
        "end": {
          "local": "2073-07-17T09:39:57+03:00",
          "utc": "2073-07-17T06:39:57Z",
          "ms": 3267499196654.01
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-07-16T11:05:20+03:00",
          "utc": "2073-07-16T08:05:20Z",
          "ms": 3267417920362.491
        },
        "end": {
          "local": "2073-07-17T09:39:57+03:00",
          "utc": "2073-07-17T06:39:57Z",
          "ms": 3267499196654.01
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-07-16",
          "window": {
            "start": {
              "local": "2073-07-16T19:24:30+03:00",
              "utc": "2073-07-16T16:24:30Z",
              "ms": 3267447870394.614
            },
            "end": {
              "local": "2073-07-16T20:41:44+03:00",
              "utc": "2073-07-16T17:41:44Z",
              "ms": 3267452504307.657
            }
          },
          "covered_min": 77,
          "window_min": 77,
          "qualifies": true
        },
        {
          "local_date": "2073-07-17",
          "window": {
            "start": {
              "local": "2073-07-17T19:23:58+03:00",
              "utc": "2073-07-17T16:23:58Z",
              "ms": 3267534237918.8057
            },
            "end": {
              "local": "2073-07-17T20:41:22+03:00",
              "utc": "2073-07-17T17:41:22Z",
              "ms": 3267538881777.2124
            }
          },
          "covered_min": 0,
          "window_min": 77,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 11:05 on Sun 16 Jul to 09:40 on Mon 17 Jul.",
          "fact": "2073-07-16T08:05:20Z → 2073-07-17T06:39:57Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:25–20:42 on the 16th, 19:24–20:41 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 77 of 77 minutes on the 16th and 0 of 77 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 29950 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Mosul, 2073: Sunday 16 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": "2073-07-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-07-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śukla Pradoṣa Vrata 2073 falls on Sunday 16 July. Trayodaśī runs from 11:05 on Sun 16 Jul to 09:40 on Mon 17 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/pradosha-vrata?on=2073-07-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/guru-purnima",
      "festival": "guru-purnima",
      "name": "Guru Pūrṇimā",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-07-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11493,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2073-07-18T08:38:23+03:00",
          "utc": "2073-07-18T05:38:23Z",
          "ms": 3267581902665.037
        },
        "end": {
          "local": "2073-07-19T08:05:25+03:00",
          "utc": "2073-07-19T05:05:25Z",
          "ms": 3267666325112.484
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-07-18T08:38:23+03:00",
          "utc": "2073-07-18T05:38:23Z",
          "ms": 3267581902665.037
        },
        "end": {
          "local": "2073-07-19T08:05:25+03:00",
          "utc": "2073-07-19T05:05:25Z",
          "ms": 3267666325112.484
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-07-18",
          "window": {
            "start": {
              "local": "2073-07-18T11:49:55+03:00",
              "utc": "2073-07-18T08:49:55Z",
              "ms": 3267593395307.2505
            },
            "end": {
              "local": "2073-07-18T12:37:55+03:00",
              "utc": "2073-07-18T09:37:55Z",
              "ms": 3267596275307.2505
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-07-19",
          "window": {
            "start": {
              "local": "2073-07-19T11:49:59+03:00",
              "utc": "2073-07-19T08:49:59Z",
              "ms": 3267679798739.9863
            },
            "end": {
              "local": "2073-07-19T12:37:59+03:00",
              "utc": "2073-07-19T09:37:59Z",
              "ms": 3267682678739.9863
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 08:38 on Tue 18 Jul to 08:05 on Wed 19 Jul.",
          "fact": "2073-07-18T05:38:23Z → 2073-07-19T05:05:25Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 18th, 11:50–12:38 on the 19th.",
          "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 18th and 0 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 11493 s"
        },
        {
          "step": "ruling",
          "text": "Guru Pūrṇimā, Mosul, 2073: Tuesday 18 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": "2073-07-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-07-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Guru Pūrṇimā 2073 falls on Tuesday 18 July. Pūrṇimā runs from 08:38 on Tue 18 Jul to 08:05 on Wed 19 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/kokila-vrata",
      "festival": "kokila-vrata",
      "name": "Kokilā Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-07-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28394,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2073-07-18T08:38:23+03:00",
          "utc": "2073-07-18T05:38:23Z",
          "ms": 3267581902665.037
        },
        "end": {
          "local": "2073-07-19T08:05:25+03:00",
          "utc": "2073-07-19T05:05:25Z",
          "ms": 3267666325112.484
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-07-18T08:38:23+03:00",
          "utc": "2073-07-18T05:38:23Z",
          "ms": 3267581902665.037
        },
        "end": {
          "local": "2073-07-19T08:05:25+03:00",
          "utc": "2073-07-19T05:05:25Z",
          "ms": 3267666325112.484
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2073-07-18",
          "window": {
            "start": {
              "local": "2073-07-18T16:31:36+03:00",
              "utc": "2073-07-18T13:31:36Z",
              "ms": 3267610296377.4883
            },
            "end": {
              "local": "2073-07-18T19:23:24+03:00",
              "utc": "2073-07-18T16:23:24Z",
              "ms": 3267620603757.6465
            }
          },
          "covered_min": 172,
          "window_min": 172,
          "qualifies": true
        },
        {
          "local_date": "2073-07-19",
          "window": {
            "start": {
              "local": "2073-07-19T16:31:16+03:00",
              "utc": "2073-07-19T13:31:16Z",
              "ms": 3267696676254.0005
            },
            "end": {
              "local": "2073-07-19T19:22:48+03:00",
              "utc": "2073-07-19T16:22:48Z",
              "ms": 3267706967930.01
            }
          },
          "covered_min": 0,
          "window_min": 172,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 08:38 on Tue 18 Jul to 08:05 on Wed 19 Jul.",
          "fact": "2073-07-18T05:38:23Z → 2073-07-19T05:05:25Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:32–19:23 on the 18th, 16:31–19:23 on the 19th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 172 of 172 minutes on the 18th and 0 of 172 on the 19th.",
          "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 28394 s"
        },
        {
          "step": "ruling",
          "text": "Kokilā Vrata, Mosul, 2073: Tuesday 18 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": "2073-07-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-07-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Kokilā Vrata 2073 falls on Tuesday 18 July. Pūrṇimā runs from 08:38 on Tue 18 Jul to 08:05 on Wed 19 Jul and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/shiva-shayanotsava",
      "festival": "shiva-shayanotsava",
      "name": "Śiva Śayanotsava",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-07-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 38701,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2073-07-18T08:38:23+03:00",
          "utc": "2073-07-18T05:38:23Z",
          "ms": 3267581902665.037
        },
        "end": {
          "local": "2073-07-19T08:05:25+03:00",
          "utc": "2073-07-19T05:05:25Z",
          "ms": 3267666325112.484
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-07-18T08:38:23+03:00",
          "utc": "2073-07-18T05:38:23Z",
          "ms": 3267581902665.037
        },
        "end": {
          "local": "2073-07-19T08:05:25+03:00",
          "utc": "2073-07-19T05:05:25Z",
          "ms": 3267666325112.484
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-07-18",
          "window": {
            "start": {
              "local": "2073-07-18T19:23:24+03:00",
              "utc": "2073-07-18T16:23:24Z",
              "ms": 3267620603757.6465
            },
            "end": {
              "local": "2073-07-18T20:40:58+03:00",
              "utc": "2073-07-18T17:40:58Z",
              "ms": 3267625257863.2886
            }
          },
          "covered_min": 78,
          "window_min": 78,
          "qualifies": true
        },
        {
          "local_date": "2073-07-19",
          "window": {
            "start": {
              "local": "2073-07-19T19:22:48+03:00",
              "utc": "2073-07-19T16:22:48Z",
              "ms": 3267706967930.01
            },
            "end": {
              "local": "2073-07-19T20:40:33+03:00",
              "utc": "2073-07-19T17:40:33Z",
              "ms": 3267711632578.2637
            }
          },
          "covered_min": 0,
          "window_min": 78,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 08:38 on Tue 18 Jul to 08:05 on Wed 19 Jul.",
          "fact": "2073-07-18T05:38:23Z → 2073-07-19T05:05:25Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:23–20:41 on the 18th, 19:23–20:41 on the 19th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 78 of 78 minutes on the 18th and 0 of 78 on the 19th.",
          "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 38701 s"
        },
        {
          "step": "ruling",
          "text": "Śiva Śayanotsava, Mosul, 2073: Tuesday 18 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": "2073-07-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-07-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śiva Śayanotsava 2073 falls on Tuesday 18 July. Pūrṇimā runs from 08:38 on Tue 18 Jul to 08:05 on Wed 19 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/vyasa-puja",
      "festival": "vyasa-puja",
      "name": "Vyāsa Pūjā",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-07-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 524,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2073-07-18T08:38:23+03:00",
          "utc": "2073-07-18T05:38:23Z",
          "ms": 3267581902665.037
        },
        "end": {
          "local": "2073-07-19T08:05:25+03:00",
          "utc": "2073-07-19T05:05:25Z",
          "ms": 3267666325112.484
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-07-18T08:38:23+03:00",
          "utc": "2073-07-18T05:38:23Z",
          "ms": 3267581902665.037
        },
        "end": {
          "local": "2073-07-19T08:05:25+03:00",
          "utc": "2073-07-19T05:05:25Z",
          "ms": 3267666325112.484
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "2073-07-18",
          "window": {
            "start": {
              "local": "2073-07-18T05:04:27+03:00",
              "utc": "2073-07-18T02:04:27Z",
              "ms": 3267569066856.8545
            },
            "end": {
              "local": "2073-07-18T07:56:14+03:00",
              "utc": "2073-07-18T04:56:14Z",
              "ms": 3267579374237.0127
            }
          },
          "covered_min": 0,
          "window_min": 172,
          "qualifies": false
        },
        {
          "local_date": "2073-07-19",
          "window": {
            "start": {
              "local": "2073-07-19T05:05:10+03:00",
              "utc": "2073-07-19T02:05:10Z",
              "ms": 3267655509549.963
            },
            "end": {
              "local": "2073-07-19T07:56:41+03:00",
              "utc": "2073-07-19T04:56:41Z",
              "ms": 3267665801225.972
            }
          },
          "covered_min": 172,
          "window_min": 172,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 08:38 on Tue 18 Jul to 08:05 on Wed 19 Jul.",
          "fact": "2073-07-18T05:38:23Z → 2073-07-19T05:05:25Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:04–07:56 on the 18th, 05:05–07:57 on the 19th.",
          "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 172 minutes on the 18th and 172 of 172 on the 19th.",
          "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 524 s"
        },
        {
          "step": "ruling",
          "text": "Vyāsa Pūjā, Mosul, 2073: Wednesday 19 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": "2073-07-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-07-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Vyāsa Pūjā 2073 falls on Wednesday 19 July. Pūrṇimā runs from 08:38 on Tue 18 Jul to 08:05 on Wed 19 Jul and covers all of the first three muhūrtas after sunrise that morning.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/ashunya-shayana-vrata-ashadha",
      "festival": "ashunya-shayana-vrata-ashadha",
      "name": "Aśūnya Śayana Vrata (Āṣāḍha)",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-07-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 43859,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2073-07-20T08:05:00+03:00",
          "utc": "2073-07-20T05:05:00Z",
          "ms": 3267752700348.728
        },
        "end": {
          "local": "2073-07-21T08:39:30+03:00",
          "utc": "2073-07-21T05:39:30Z",
          "ms": 3267841170424.0425
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-07-20T08:05:00+03:00",
          "utc": "2073-07-20T05:05:00Z",
          "ms": 3267752700348.728
        },
        "end": {
          "local": "2073-07-21T08:39:30+03:00",
          "utc": "2073-07-21T05:39:30Z",
          "ms": 3267841170424.0425
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2073-07-20",
          "window": {
            "start": {
              "local": "2073-07-20T20:16:00+03:00",
              "utc": "2073-07-20T17:16:00Z",
              "ms": 3267796559660.9985
            },
            "end": {
              "local": "2073-07-20T20:16:00+03:00",
              "utc": "2073-07-20T17:16:00Z",
              "ms": 3267796559660.9985
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-07-21",
          "window": {
            "start": {
              "local": "2073-07-21T20:53:45+03:00",
              "utc": "2073-07-21T17:53:45Z",
              "ms": 3267885224854.4634
            },
            "end": {
              "local": "2073-07-21T20:53:45+03:00",
              "utc": "2073-07-21T17:53:45Z",
              "ms": 3267885224854.4634
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 08:05 on Thu 20 Jul to 08:40 on Fri 21 Jul.",
          "fact": "2073-07-20T05:05:00Z → 2073-07-21T05:39:30Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:16 on the 20th and 20:54 on the 21st.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be current at moonrise. It is on the 20th and is not on the 21st.",
          "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 43859 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata (Āṣāḍha), Mosul, 2073: Thursday 20 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": "2073-07-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-07-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Aśūnya Śayana Vrata (Āṣāḍha) 2073 falls on Thursday 20 July. Dvitīyā runs from 08:05 on Thu 20 Jul to 08:40 on Fri 21 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/sankashta-chaturthi?on=2073-07-22",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-07-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37760,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-07-22T09:48:55+03:00",
          "utc": "2073-07-22T06:48:55Z",
          "ms": 3267931734677.147
        },
        "end": {
          "local": "2073-07-23T11:30:05+03:00",
          "utc": "2073-07-23T08:30:05Z",
          "ms": 3268024205434.459
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-07-22T09:48:55+03:00",
          "utc": "2073-07-22T06:48:55Z",
          "ms": 3267931734677.147
        },
        "end": {
          "local": "2073-07-23T11:30:05+03:00",
          "utc": "2073-07-23T08:30:05Z",
          "ms": 3268024205434.459
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2073-07-22",
          "window": {
            "start": {
              "local": "2073-07-22T21:27:51+03:00",
              "utc": "2073-07-22T18:27:51Z",
              "ms": 3267973670952.1826
            },
            "end": {
              "local": "2073-07-22T21:27:51+03:00",
              "utc": "2073-07-22T18:27:51Z",
              "ms": 3267973670952.1826
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-07-23",
          "window": {
            "start": {
              "local": "2073-07-23T21:59:25+03:00",
              "utc": "2073-07-23T18:59:25Z",
              "ms": 3268061965232.0166
            },
            "end": {
              "local": "2073-07-23T21:59:25+03:00",
              "utc": "2073-07-23T18:59:25Z",
              "ms": 3268061965232.0166
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 09:49 on Sat 22 Jul to 11:30 on Sun 23 Jul.",
          "fact": "2073-07-22T06:48:55Z → 2073-07-23T08:30:05Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:28 on the 22nd and 21:59 on the 23rd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 22nd and is not on the 23rd.",
          "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 37760 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mosul, 2073: Saturday 22 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": "2073-07-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-07-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Saṅkaṣṭa Caturthī 2073 falls on Saturday 22 July. Caturthī runs from 09:49 on Sat 22 Jul to 11:30 on Sun 23 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/sankashta-chaturthi?on=2073-07-22",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/ekadashi?on=2073-07-30",
      "festival": "ekadashi",
      "name": "Kāmikā Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-07-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18016,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-07-29T23:38:08+03:00",
          "utc": "2073-07-29T20:38:08Z",
          "ms": 3268586287910.057
        },
        "end": {
          "local": "2073-07-31T00:14:00+03:00",
          "utc": "2073-07-30T21:14:00Z",
          "ms": 3268674840240.2085
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-07-29T23:38:08+03:00",
          "utc": "2073-07-29T20:38:08Z",
          "ms": 3268586287910.057
        },
        "end": {
          "local": "2073-07-31T00:14:00+03:00",
          "utc": "2073-07-30T21:14:00Z",
          "ms": 3268674840240.2085
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-07-30",
          "window": {
            "start": {
              "local": "2073-07-30T05:13:29+03:00",
              "utc": "2073-07-30T02:13:29Z",
              "ms": 3268606409070.8145
            },
            "end": {
              "local": "2073-07-30T05:13:29+03:00",
              "utc": "2073-07-30T02:13:29Z",
              "ms": 3268606409070.8145
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-07-31",
          "window": {
            "start": {
              "local": "2073-07-31T05:14:16+03:00",
              "utc": "2073-07-31T02:14:16Z",
              "ms": 3268692856465.9326
            },
            "end": {
              "local": "2073-07-31T05:14:16+03:00",
              "utc": "2073-07-31T02:14:16Z",
              "ms": 3268692856465.9326
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 23:38 on Sat 29 Jul to 00:14 on Mon 31 Jul.",
          "fact": "2073-07-29T20:38:08Z → 2073-07-30T21:14:00Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:13 on the 30th and 05:14 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 18016 s"
        },
        {
          "step": "ruling",
          "text": "Kāmikā Ekādaśī, Mosul, 2073: Sunday 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": "2073-07-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-07-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Kāmikā Ekādaśī 2073 falls on Sunday 30 July. Ekādaśī runs from 23:38 on Sat 29 Jul to 00:14 on Mon 31 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-07-30",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/pradosha-vrata?on=2073-08-01",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-08-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10119,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-08-01T00:08:07+03:00",
          "utc": "2073-07-31T21:08:07Z",
          "ms": 3268760887250.0337
        },
        "end": {
          "local": "2073-08-01T23:21:45+03:00",
          "utc": "2073-08-01T20:21:45Z",
          "ms": 3268844504577.434
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-08-01T00:08:07+03:00",
          "utc": "2073-07-31T21:08:07Z",
          "ms": 3268760887250.0337
        },
        "end": {
          "local": "2073-08-01T23:21:45+03:00",
          "utc": "2073-08-01T20:21:45Z",
          "ms": 3268844504577.434
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-07-31",
          "window": {
            "start": {
              "local": "2073-07-31T19:13:36+03:00",
              "utc": "2073-07-31T16:13:36Z",
              "ms": 3268743215524.508
            },
            "end": {
              "local": "2073-07-31T20:33:47+03:00",
              "utc": "2073-07-31T17:33:47Z",
              "ms": 3268748027330.872
            }
          },
          "covered_min": 0,
          "window_min": 80,
          "qualifies": false
        },
        {
          "local_date": "2073-08-01",
          "window": {
            "start": {
              "local": "2073-08-01T19:12:40+03:00",
              "utc": "2073-08-01T16:12:40Z",
              "ms": 3268829559947.2812
            },
            "end": {
              "local": "2073-08-01T20:33:06+03:00",
              "utc": "2073-08-01T17:33:06Z",
              "ms": 3268834385535.9795
            }
          },
          "covered_min": 80,
          "window_min": 80,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 00:08 on Tue 1 Aug to 23:22 on Tue 1 Aug.",
          "fact": "2073-07-31T21:08:07Z → 2073-08-01T20:21:45Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:14–20:34 on the 31st, 19:13–20:33 on the 1st.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 80 minutes on the 31st and 80 of 80 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 10119 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 2073: Tuesday 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": "2073-08-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-08-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 2073 falls on Tuesday 1 August. Trayodaśī runs from 00:08 on Tue 1 Aug to 23:22 on Tue 1 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/pradosha-vrata?on=2073-08-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/shivaratri?on=2073-08-01",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-08-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1711,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2073-08-01T23:21:45+03:00",
          "utc": "2073-08-01T20:21:45Z",
          "ms": 3268844504577.434
        },
        "end": {
          "local": "2073-08-02T21:58:48+03:00",
          "utc": "2073-08-02T18:58:48Z",
          "ms": 3268925927700.4624
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-08-01T23:21:45+03:00",
          "utc": "2073-08-01T20:21:45Z",
          "ms": 3268844504577.434
        },
        "end": {
          "local": "2073-08-02T21:58:48+03:00",
          "utc": "2073-08-02T18:58:48Z",
          "ms": 3268925927700.4624
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2073-08-01",
          "window": {
            "start": {
              "local": "2073-08-01T23:50:16+03:00",
              "utc": "2073-08-01T20:50:16Z",
              "ms": 3268846215904.9004
            },
            "end": {
              "local": "2073-08-02T00:38:16+03:00",
              "utc": "2073-08-01T21:38:16Z",
              "ms": 3268849095904.9004
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-08-02",
          "window": {
            "start": {
              "local": "2073-08-02T23:50:11+03:00",
              "utc": "2073-08-02T20:50:11Z",
              "ms": 3268932611408.004
            },
            "end": {
              "local": "2073-08-03T00:38:11+03:00",
              "utc": "2073-08-02T21:38:11Z",
              "ms": 3268935491408.004
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 23:22 on Tue 1 Aug to 21:59 on Wed 2 Aug.",
          "fact": "2073-08-01T20:21:45Z → 2073-08-02T18:58:48Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:50–00:38 on the 1st, 23:50–00:38 on the 2nd.",
          "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 1st and 0 of 48 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 1711 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Mosul, 2073: Tuesday 1 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": "2073-08-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-08-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śivarātri 2073 falls on Tuesday 1 August. Caturdaśī runs from 23:22 on Tue 1 Aug to 21:59 on Wed 2 Aug and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mosul/festivals/2073/shivaratri?on=2073-08-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/madhusrava-tritiya",
      "festival": "madhusrava-tritiya",
      "name": "Madhusravā Tṛtīyā",
      "everyday": "Hariyali Teej",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-08-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 573,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2073-08-05T15:12:20+03:00",
          "utc": "2073-08-05T12:12:20Z",
          "ms": 3269160740369.8296
        },
        "end": {
          "local": "2073-08-06T12:27:50+03:00",
          "utc": "2073-08-06T09:27:50Z",
          "ms": 3269237269707.2896
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-08-05T15:12:20+03:00",
          "utc": "2073-08-05T12:12:20Z",
          "ms": 3269160740369.8296
        },
        "end": {
          "local": "2073-08-06T12:27:50+03:00",
          "utc": "2073-08-06T09:27:50Z",
          "ms": 3269237269707.2896
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-08-05",
          "window": {
            "start": {
              "local": "2073-08-05T11:49:30+03:00",
              "utc": "2073-08-05T08:49:30Z",
              "ms": 3269148570143.217
            },
            "end": {
              "local": "2073-08-05T12:37:30+03:00",
              "utc": "2073-08-05T09:37:30Z",
              "ms": 3269151450143.217
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-08-06",
          "window": {
            "start": {
              "local": "2073-08-06T11:49:23+03:00",
              "utc": "2073-08-06T08:49:23Z",
              "ms": 3269234963183.786
            },
            "end": {
              "local": "2073-08-06T12:37:23+03:00",
              "utc": "2073-08-06T09:37:23Z",
              "ms": 3269237843183.786
            }
          },
          "covered_min": 38,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 15:12 on Sat 5 Aug to 12:28 on Sun 6 Aug.",
          "fact": "2073-08-05T12:12:20Z → 2073-08-06T09:27:50Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 5th, 11:49–12:37 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 38 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 573 s"
        },
        {
          "step": "ruling",
          "text": "Madhusravā Tṛtīyā, Mosul, 2073: Sunday 6 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "madhusrava-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Madhusrava (Gujerat) (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-08-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-08-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Madhusravā Tṛtīyā (Hariyali Teej) 2073 falls on Sunday 6 August. Tṛtīyā runs from 15:12 on Sat 5 Aug to 12:28 on Sun 6 Aug and covers 38 of 48 minutes of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/vinayaka-chaturthi?on=2073-08-06",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-08-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 573,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-08-06T12:27:50+03:00",
          "utc": "2073-08-06T09:27:50Z",
          "ms": 3269237269707.2896
        },
        "end": {
          "local": "2073-08-07T09:40:25+03:00",
          "utc": "2073-08-07T06:40:25Z",
          "ms": 3269313625350.168
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-08-06T12:27:50+03:00",
          "utc": "2073-08-06T09:27:50Z",
          "ms": 3269237269707.2896
        },
        "end": {
          "local": "2073-08-07T09:40:25+03:00",
          "utc": "2073-08-07T06:40:25Z",
          "ms": 3269313625350.168
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-08-06",
          "window": {
            "start": {
              "local": "2073-08-06T11:49:23+03:00",
              "utc": "2073-08-06T08:49:23Z",
              "ms": 3269234963183.786
            },
            "end": {
              "local": "2073-08-06T12:37:23+03:00",
              "utc": "2073-08-06T09:37:23Z",
              "ms": 3269237843183.786
            }
          },
          "covered_min": 10,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-08-07",
          "window": {
            "start": {
              "local": "2073-08-07T11:49:16+03:00",
              "utc": "2073-08-07T08:49:16Z",
              "ms": 3269321355625.0664
            },
            "end": {
              "local": "2073-08-07T12:37:16+03:00",
              "utc": "2073-08-07T09:37:16Z",
              "ms": 3269324235625.0664
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 12:28 on Sun 6 Aug to 09:40 on Mon 7 Aug.",
          "fact": "2073-08-06T09:27:50Z → 2073-08-07T06:40:25Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 6th, 11:49–12:37 on the 7th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 10 of 48 minutes on the 6th and 0 of 48 on the 7th.",
          "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 573 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Mosul, 2073: Sunday 6 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-08-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-08-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Vināyaka Caturthī 2073 falls on Sunday 6 August. Caturthī runs from 12:28 on Sun 6 Aug to 09:40 on Mon 7 Aug and covers 10 of 48 minutes of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/vinayaka-chaturthi?on=2073-08-06",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/naga-panchami",
      "festival": "naga-panchami",
      "name": "Nāga Pañcamī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-08-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7730,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2073-08-07T09:40:25+03:00",
          "utc": "2073-08-07T06:40:25Z",
          "ms": 3269313625350.168
        },
        "end": {
          "local": "2073-08-08T06:56:24+03:00",
          "utc": "2073-08-08T03:56:24Z",
          "ms": 3269390183758.4595
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-08-07T09:40:25+03:00",
          "utc": "2073-08-07T06:40:25Z",
          "ms": 3269313625350.168
        },
        "end": {
          "local": "2073-08-08T06:56:24+03:00",
          "utc": "2073-08-08T03:56:24Z",
          "ms": 3269390183758.4595
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-08-07",
          "window": {
            "start": {
              "local": "2073-08-07T11:49:16+03:00",
              "utc": "2073-08-07T08:49:16Z",
              "ms": 3269321355625.0664
            },
            "end": {
              "local": "2073-08-07T12:37:16+03:00",
              "utc": "2073-08-07T09:37:16Z",
              "ms": 3269324235625.0664
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-08-08",
          "window": {
            "start": {
              "local": "2073-08-08T11:49:07+03:00",
              "utc": "2073-08-08T08:49:07Z",
              "ms": 3269407747468.3984
            },
            "end": {
              "local": "2073-08-08T12:37:07+03:00",
              "utc": "2073-08-08T09:37:07Z",
              "ms": 3269410627468.3984
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 09:40 on Mon 7 Aug to 06:56 on Tue 8 Aug.",
          "fact": "2073-08-07T06:40:25Z → 2073-08-08T03:56:24Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 7th, 11:49–12:37 on the 8th.",
          "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 7th and 0 of 48 on the 8th.",
          "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 7730 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī, Mosul, 2073: Monday 7 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naga-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Naga pancami (paraviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-08-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-08-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Nāga Pañcamī 2073 falls on Monday 7 August. Pañcamī runs from 09:40 on Mon 7 Aug to 06:56 on Tue 8 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/ekadashi?on=2073-08-13",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-08-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30713,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-08-12T20:52:50+03:00",
          "utc": "2073-08-12T17:52:50Z",
          "ms": 3269785970020.6367
        },
        "end": {
          "local": "2073-08-13T19:57:34+03:00",
          "utc": "2073-08-13T16:57:34Z",
          "ms": 3269869053713.7856
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-08-12T20:52:50+03:00",
          "utc": "2073-08-12T17:52:50Z",
          "ms": 3269785970020.6367
        },
        "end": {
          "local": "2073-08-13T19:57:34+03:00",
          "utc": "2073-08-13T16:57:34Z",
          "ms": 3269869053713.7856
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-08-13",
          "window": {
            "start": {
              "local": "2073-08-13T05:24:43+03:00",
              "utc": "2073-08-13T02:24:43Z",
              "ms": 3269816682657.999
            },
            "end": {
              "local": "2073-08-13T05:24:43+03:00",
              "utc": "2073-08-13T02:24:43Z",
              "ms": 3269816682657.999
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-08-14",
          "window": {
            "start": {
              "local": "2073-08-14T05:25:31+03:00",
              "utc": "2073-08-14T02:25:31Z",
              "ms": 3269903130884.522
            },
            "end": {
              "local": "2073-08-14T05:25:31+03:00",
              "utc": "2073-08-14T02:25:31Z",
              "ms": 3269903130884.522
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 20:53 on Sat 12 Aug to 19:58 on Sun 13 Aug.",
          "fact": "2073-08-12T17:52:50Z → 2073-08-13T16:57:34Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:25 on the 13th and 05:26 on the 14th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 13th and is not on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 30713 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Mosul, 2073: Sunday 13 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": "2073-08-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-08-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Putradā Ekādaśī 2073 falls on Sunday 13 August. Ekādaśī runs from 20:53 on Sat 12 Aug to 19:58 on Sun 13 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-08-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/damodara-dvadashi",
      "festival": "damodara-dvadashi",
      "name": "Dāmodara Dvādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-08-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24742,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2073-08-13T19:57:34+03:00",
          "utc": "2073-08-13T16:57:34Z",
          "ms": 3269869053713.7856
        },
        "end": {
          "local": "2073-08-14T19:28:28+03:00",
          "utc": "2073-08-14T16:28:28Z",
          "ms": 3269953707975.751
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-08-13T19:57:34+03:00",
          "utc": "2073-08-13T16:57:34Z",
          "ms": 3269869053713.7856
        },
        "end": {
          "local": "2073-08-14T19:28:28+03:00",
          "utc": "2073-08-14T16:28:28Z",
          "ms": 3269953707975.751
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-08-13",
          "window": {
            "start": {
              "local": "2073-08-13T11:48:18+03:00",
              "utc": "2073-08-13T08:48:18Z",
              "ms": 3269839697891.2734
            },
            "end": {
              "local": "2073-08-13T12:36:18+03:00",
              "utc": "2073-08-13T09:36:18Z",
              "ms": 3269842577891.2734
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-08-14",
          "window": {
            "start": {
              "local": "2073-08-14T11:48:06+03:00",
              "utc": "2073-08-14T08:48:06Z",
              "ms": 3269926086275.8867
            },
            "end": {
              "local": "2073-08-14T12:36:06+03:00",
              "utc": "2073-08-14T09:36:06Z",
              "ms": 3269928966275.8867
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 19:58 on Sun 13 Aug to 19:28 on Mon 14 Aug.",
          "fact": "2073-08-13T16:57:34Z → 2073-08-14T16:28:28Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 13th, 11:48–12:36 on the 14th.",
          "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 13th and 48 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 24742 s"
        },
        {
          "step": "ruling",
          "text": "Dāmodara Dvādaśī, Mosul, 2073: Monday 14 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "damodara-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Buddha dvadasi, Damodara dvadasi (purvaviddha), Visnu-pavitraropana."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-08-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-08-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Dāmodara Dvādaśī 2073 falls on Monday 14 August. Dvādaśī runs from 19:58 on Sun 13 Aug to 19:28 on Mon 14 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/pradosha-vrata?on=2073-08-14",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-08-14",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1743,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-08-14T19:28:28+03:00",
          "utc": "2073-08-14T16:28:28Z",
          "ms": 3269953707975.751
        },
        "end": {
          "local": "2073-08-15T19:26:32+03:00",
          "utc": "2073-08-15T16:26:32Z",
          "ms": 3270039992382.202
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-08-14T19:28:28+03:00",
          "utc": "2073-08-14T16:28:28Z",
          "ms": 3269953707975.751
        },
        "end": {
          "local": "2073-08-15T19:26:32+03:00",
          "utc": "2073-08-15T16:26:32Z",
          "ms": 3270039992382.202
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-08-14",
          "window": {
            "start": {
              "local": "2073-08-14T18:58:42+03:00",
              "utc": "2073-08-14T15:58:42Z",
              "ms": 3269951921667.252
            },
            "end": {
              "local": "2073-08-14T20:22:23+03:00",
              "utc": "2073-08-14T17:22:23Z",
              "ms": 3269956942652.3447
            }
          },
          "covered_min": 54,
          "window_min": 84,
          "qualifies": true
        },
        {
          "local_date": "2073-08-15",
          "window": {
            "start": {
              "local": "2073-08-15T18:57:29+03:00",
              "utc": "2073-08-15T15:57:29Z",
              "ms": 3270038249184.48
            },
            "end": {
              "local": "2073-08-15T20:21:26+03:00",
              "utc": "2073-08-15T17:21:26Z",
              "ms": 3270043286248.6484
            }
          },
          "covered_min": 29,
          "window_min": 84,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 19:28 on Mon 14 Aug to 19:27 on Tue 15 Aug.",
          "fact": "2073-08-14T16:28:28Z → 2073-08-15T16:26:32Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:59–20:22 on the 14th, 18:57–20:21 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 54 of 84 minutes on the 14th and 29 of 84 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 1743 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Mosul, 2073: Monday 14 August.",
          "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": "2073-08-14",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-08-14",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mosul, Śukla Pradoṣa Vrata 2073 falls on Monday 14 August. Trayodaśī runs from 19:28 on Mon 14 Aug to 19:27 on Tue 15 Aug and covers 54 of 84 minutes of pradoṣa that evening. It also reaches the next evening for 29 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/mosul/festivals/2073/pradosha-vrata?on=2073-08-14",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/raksha-bandhana",
      "festival": "raksha-bandhana",
      "name": "Rakṣā Bandhana",
      "everyday": "Rakhi",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-08-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10074,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2073-08-16T19:52:24+03:00",
          "utc": "2073-08-16T16:52:24Z",
          "ms": 3270127944331.6763
        },
        "end": {
          "local": "2073-08-17T20:46:09+03:00",
          "utc": "2073-08-17T17:46:09Z",
          "ms": 3270217568867.5244
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "second-half",
        "start": {
          "local": "2073-08-17T08:15:49+03:00",
          "utc": "2073-08-17T05:15:49Z",
          "ms": 3270172548965.3784
        },
        "end": {
          "local": "2073-08-17T20:46:09+03:00",
          "utc": "2073-08-17T17:46:09Z",
          "ms": 3270217568867.5244
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "2073-08-16",
          "window": {
            "start": {
              "local": "2073-08-16T05:27:07+03:00",
              "utc": "2073-08-16T02:27:07Z",
              "ms": 3270076027165.7446
            },
            "end": {
              "local": "2073-08-17T05:27:55+03:00",
              "utc": "2073-08-17T02:27:55Z",
              "ms": 3270162475211.824
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        },
        {
          "local_date": "2073-08-17",
          "window": {
            "start": {
              "local": "2073-08-17T05:27:55+03:00",
              "utc": "2073-08-17T02:27:55Z",
              "ms": 3270162475211.824
            },
            "end": {
              "local": "2073-08-18T05:28:43+03:00",
              "utc": "2073-08-18T02:28:43Z",
              "ms": 3270248923191.297
            }
          },
          "covered_min": 750,
          "window_min": 1441,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 19:52 on Wed 16 Aug to 20:46 on Thu 17 Aug. Its second half begins at 08:16 on Thu 17 Aug.",
          "fact": "2073-08-16T16:52:24Z → 2073-08-17T17:46:09Z · second half from 2073-08-17T05:15:49Z"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 05:27 on the 16th, and from 05:28 on the 17th.",
          "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 1441 minutes on the 16th and 750 of 1441 on the 17th.",
          "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 10074 s"
        },
        {
          "step": "ruling",
          "text": "Rakṣā Bandhana, Mosul, 2073: Thursday 17 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": "2073-08-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-08-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Rakṣā Bandhana (Rakhi) 2073 falls on Thursday 17 August. The second half of Pūrṇimā runs from 08:16 on Thu 17 Aug to 20:46 on Thu 17 Aug and lies within that day, sunrise to sunrise.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/rishi-tarpana",
      "festival": "rishi-tarpana",
      "name": "Ṛṣi Tarpaṇa",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-08-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26203,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2073-08-16T19:52:24+03:00",
          "utc": "2073-08-16T16:52:24Z",
          "ms": 3270127944331.6763
        },
        "end": {
          "local": "2073-08-17T20:46:09+03:00",
          "utc": "2073-08-17T17:46:09Z",
          "ms": 3270217568867.5244
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-08-16T19:52:24+03:00",
          "utc": "2073-08-16T16:52:24Z",
          "ms": 3270127944331.6763
        },
        "end": {
          "local": "2073-08-17T20:46:09+03:00",
          "utc": "2073-08-17T17:46:09Z",
          "ms": 3270217568867.5244
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-08-16",
          "window": {
            "start": {
              "local": "2073-08-16T11:47:41+03:00",
              "utc": "2073-08-16T08:47:41Z",
              "ms": 3270098861436.8096
            },
            "end": {
              "local": "2073-08-16T12:35:41+03:00",
              "utc": "2073-08-16T09:35:41Z",
              "ms": 3270101741436.8096
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-08-17",
          "window": {
            "start": {
              "local": "2073-08-17T11:47:28+03:00",
              "utc": "2073-08-17T08:47:28Z",
              "ms": 3270185248240.448
            },
            "end": {
              "local": "2073-08-17T12:35:28+03:00",
              "utc": "2073-08-17T09:35:28Z",
              "ms": 3270188128240.448
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 19:52 on Wed 16 Aug to 20:46 on Thu 17 Aug.",
          "fact": "2073-08-16T16:52:24Z → 2073-08-17T17:46:09Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 16th, 11:47–12:35 on the 17th.",
          "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 16th and 48 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 26203 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Tarpaṇa, Mosul, 2073: Thursday 17 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": "2073-08-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-08-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Ṛṣi Tarpaṇa 2073 falls on Thursday 17 August. Pūrṇimā runs from 19:52 on Wed 16 Aug to 20:46 on Thu 17 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/ashunya-shayana-vrata",
      "festival": "ashunya-shayana-vrata",
      "name": "Aśūnya Śayana Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-08-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9595,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2073-08-18T22:06:58+03:00",
          "utc": "2073-08-18T19:06:58Z",
          "ms": 3270308818278.1616
        },
        "end": {
          "local": "2073-08-19T23:52:43+03:00",
          "utc": "2073-08-19T20:52:43Z",
          "ms": 3270401563102.756
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-08-18T22:06:58+03:00",
          "utc": "2073-08-18T19:06:58Z",
          "ms": 3270308818278.1616
        },
        "end": {
          "local": "2073-08-19T23:52:43+03:00",
          "utc": "2073-08-19T20:52:43Z",
          "ms": 3270401563102.756
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2073-08-18",
          "window": {
            "start": {
              "local": "2073-08-18T19:27:03+03:00",
              "utc": "2073-08-18T16:27:03Z",
              "ms": 3270299223263.8555
            },
            "end": {
              "local": "2073-08-18T19:27:03+03:00",
              "utc": "2073-08-18T16:27:03Z",
              "ms": 3270299223263.8555
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2073-08-19",
          "window": {
            "start": {
              "local": "2073-08-19T19:59:32+03:00",
              "utc": "2073-08-19T16:59:32Z",
              "ms": 3270387572283.1226
            },
            "end": {
              "local": "2073-08-19T19:59:32+03:00",
              "utc": "2073-08-19T16:59:32Z",
              "ms": 3270387572283.1226
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 22:07 on Fri 18 Aug to 23:53 on Sat 19 Aug.",
          "fact": "2073-08-18T19:06:58Z → 2073-08-19T20:52:43Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:27 on the 18th and 20:00 on the 19th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be current at moonrise. It is not on the 18th and is on the 19th.",
          "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 9595 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata, Mosul, 2073: Saturday 19 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": "2073-08-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-08-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Aśūnya Śayana Vrata 2073 falls on Saturday 19 August. Dvitīyā runs from 22:07 on Fri 18 Aug to 23:53 on Sat 19 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/kajjali-tritiya",
      "festival": "kajjali-tritiya",
      "name": "Kajjalī Tṛtīyā",
      "everyday": "Kajari Teej",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-08-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35231,
      "anga": {
        "type": "tithi",
        "index": 17,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2073-08-19T23:52:43+03:00",
          "utc": "2073-08-19T20:52:43Z",
          "ms": 3270401563102.756
        },
        "end": {
          "local": "2073-08-21T01:59:20+03:00",
          "utc": "2073-08-20T22:59:20Z",
          "ms": 3270495559969.0083
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-08-19T23:52:43+03:00",
          "utc": "2073-08-19T20:52:43Z",
          "ms": 3270401563102.756
        },
        "end": {
          "local": "2073-08-21T01:59:20+03:00",
          "utc": "2073-08-20T22:59:20Z",
          "ms": 3270495559969.0083
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-08-20",
          "window": {
            "start": {
              "local": "2073-08-20T11:46:46+03:00",
              "utc": "2073-08-20T08:46:46Z",
              "ms": 3270444405719.6445
            },
            "end": {
              "local": "2073-08-20T12:34:46+03:00",
              "utc": "2073-08-20T09:34:46Z",
              "ms": 3270447285719.6445
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-08-21",
          "window": {
            "start": {
              "local": "2073-08-21T11:46:31+03:00",
              "utc": "2073-08-21T08:46:31Z",
              "ms": 3270530790619.42
            },
            "end": {
              "local": "2073-08-21T12:34:31+03:00",
              "utc": "2073-08-21T09:34:31Z",
              "ms": 3270533670619.42
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 23:53 on Sat 19 Aug to 01:59 on Mon 21 Aug.",
          "fact": "2073-08-19T20:52:43Z → 2073-08-20T22:59:20Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 20th, 11:47–12:35 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 48 of 48 minutes on the 20th and 0 of 48 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 35231 s"
        },
        {
          "step": "ruling",
          "text": "Kajjalī Tṛtīyā, Mosul, 2073: Sunday 20 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": "2073-08-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-08-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Kajjalī Tṛtīyā (Kajari Teej) 2073 falls on Sunday 20 August. Tṛtīyā runs from 23:53 on Sat 19 Aug to 01:59 on Mon 21 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/bahula-chaturthi",
      "festival": "bahula-chaturthi",
      "name": "Bahulā Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-08-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25687,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-08-21T01:59:20+03:00",
          "utc": "2073-08-20T22:59:20Z",
          "ms": 3270495559969.0083
        },
        "end": {
          "local": "2073-08-22T04:20:26+03:00",
          "utc": "2073-08-22T01:20:26Z",
          "ms": 3270590426089.184
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-08-21T01:59:20+03:00",
          "utc": "2073-08-20T22:59:20Z",
          "ms": 3270495559969.0083
        },
        "end": {
          "local": "2073-08-22T04:20:26+03:00",
          "utc": "2073-08-22T01:20:26Z",
          "ms": 3270590426089.184
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2073-08-20",
          "window": {
            "start": {
              "local": "2073-08-20T16:11:02+03:00",
              "utc": "2073-08-20T13:11:02Z",
              "ms": 3270460261784.188
            },
            "end": {
              "local": "2073-08-20T18:51:12+03:00",
              "utc": "2073-08-20T15:51:12Z",
              "ms": 3270469872493.884
            }
          },
          "covered_min": 0,
          "window_min": 160,
          "qualifies": false
        },
        {
          "local_date": "2073-08-21",
          "window": {
            "start": {
              "local": "2073-08-21T16:10:09+03:00",
              "utc": "2073-08-21T13:10:09Z",
              "ms": 3270546608959.565
            },
            "end": {
              "local": "2073-08-21T18:49:55+03:00",
              "utc": "2073-08-21T15:49:55Z",
              "ms": 3270556194519.6616
            }
          },
          "covered_min": 160,
          "window_min": 160,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 01:59 on Mon 21 Aug to 04:20 on Tue 22 Aug.",
          "fact": "2073-08-20T22:59:20Z → 2073-08-22T01:20:26Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:11–18:51 on the 20th, 16:10–18:50 on the 21st.",
          "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 160 minutes on the 20th and 160 of 160 on the 21st.",
          "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 25687 s"
        },
        {
          "step": "ruling",
          "text": "Bahulā Caturthī, Mosul, 2073: Monday 21 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": "2073-08-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-08-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Bahulā Caturthī 2073 falls on Monday 21 August. Caturthī runs from 01:59 on Mon 21 Aug to 04:20 on Tue 22 Aug and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/sankashta-chaturthi?on=2073-08-21",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-08-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19748,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-08-21T01:59:20+03:00",
          "utc": "2073-08-20T22:59:20Z",
          "ms": 3270495559969.0083
        },
        "end": {
          "local": "2073-08-22T04:20:26+03:00",
          "utc": "2073-08-22T01:20:26Z",
          "ms": 3270590426089.184
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-08-21T01:59:20+03:00",
          "utc": "2073-08-20T22:59:20Z",
          "ms": 3270495559969.0083
        },
        "end": {
          "local": "2073-08-22T04:20:26+03:00",
          "utc": "2073-08-22T01:20:26Z",
          "ms": 3270590426089.184
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2073-08-20",
          "window": {
            "start": {
              "local": "2073-08-20T20:30:12+03:00",
              "utc": "2073-08-20T17:30:12Z",
              "ms": 3270475812223.777
            },
            "end": {
              "local": "2073-08-20T20:30:12+03:00",
              "utc": "2073-08-20T17:30:12Z",
              "ms": 3270475812223.777
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2073-08-21",
          "window": {
            "start": {
              "local": "2073-08-21T21:00:02+03:00",
              "utc": "2073-08-21T18:00:02Z",
              "ms": 3270564002132.5005
            },
            "end": {
              "local": "2073-08-21T21:00:02+03:00",
              "utc": "2073-08-21T18:00:02Z",
              "ms": 3270564002132.5005
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 01:59 on Mon 21 Aug to 04:20 on Tue 22 Aug.",
          "fact": "2073-08-20T22:59:20Z → 2073-08-22T01:20:26Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:30 on the 20th and 21:00 on the 21st.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 20th and is on the 21st.",
          "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 19748 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mosul, 2073: Monday 21 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": "2073-08-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-08-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Saṅkaṣṭa Caturthī 2073 falls on Monday 21 August. Caturthī runs from 01:59 on Mon 21 Aug to 04:20 on Tue 22 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/sankashta-chaturthi?on=2073-08-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/hala-shashthi",
      "festival": "hala-shashthi",
      "name": "Hala Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-08-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9408,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2073-08-23T06:47:13+03:00",
          "utc": "2073-08-23T03:47:13Z",
          "ms": 3270685633468.9355
        },
        "end": {
          "local": "2073-08-24T09:08:55+03:00",
          "utc": "2073-08-24T06:08:55Z",
          "ms": 3270780534788.4517
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-08-23T06:47:13+03:00",
          "utc": "2073-08-23T03:47:13Z",
          "ms": 3270685633468.9355
        },
        "end": {
          "local": "2073-08-24T09:08:55+03:00",
          "utc": "2073-08-24T06:08:55Z",
          "ms": 3270780534788.4517
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-08-23",
          "window": {
            "start": {
              "local": "2073-08-23T11:45:59+03:00",
              "utc": "2073-08-23T08:45:59Z",
              "ms": 3270703559121.523
            },
            "end": {
              "local": "2073-08-23T12:33:59+03:00",
              "utc": "2073-08-23T09:33:59Z",
              "ms": 3270706439121.523
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-08-24",
          "window": {
            "start": {
              "local": "2073-08-24T11:45:43+03:00",
              "utc": "2073-08-24T08:45:43Z",
              "ms": 3270789942754.83
            },
            "end": {
              "local": "2073-08-24T12:33:43+03:00",
              "utc": "2073-08-24T09:33:43Z",
              "ms": 3270792822754.83
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 06:47 on Wed 23 Aug to 09:09 on Thu 24 Aug.",
          "fact": "2073-08-23T03:47:13Z → 2073-08-24T06:08:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 23rd, 11:46–12:34 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 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 9408 s"
        },
        {
          "step": "ruling",
          "text": "Hala Ṣaṣṭhī, Mosul, 2073: Wednesday 23 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": "2073-08-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-08-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Hala Ṣaṣṭhī 2073 falls on Wednesday 23 August. Ṣaṣṭhī runs from 06:47 on Wed 23 Aug to 09:09 on Thu 24 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/shitala-saptami",
      "festival": "shitala-saptami",
      "name": "Śītalā Saptamī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-08-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1901,
      "anga": {
        "type": "tithi",
        "index": 21,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2073-08-24T09:08:55+03:00",
          "utc": "2073-08-24T06:08:55Z",
          "ms": 3270780534788.4517
        },
        "end": {
          "local": "2073-08-25T11:13:45+03:00",
          "utc": "2073-08-25T08:13:45Z",
          "ms": 3270874424795.556
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-08-24T09:08:55+03:00",
          "utc": "2073-08-24T06:08:55Z",
          "ms": 3270780534788.4517
        },
        "end": {
          "local": "2073-08-25T11:13:45+03:00",
          "utc": "2073-08-25T08:13:45Z",
          "ms": 3270874424795.556
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-08-24",
          "window": {
            "start": {
              "local": "2073-08-24T11:45:43+03:00",
              "utc": "2073-08-24T08:45:43Z",
              "ms": 3270789942754.83
            },
            "end": {
              "local": "2073-08-24T12:33:43+03:00",
              "utc": "2073-08-24T09:33:43Z",
              "ms": 3270792822754.83
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-08-25",
          "window": {
            "start": {
              "local": "2073-08-25T11:45:26+03:00",
              "utc": "2073-08-25T08:45:26Z",
              "ms": 3270876325996.9414
            },
            "end": {
              "local": "2073-08-25T12:33:26+03:00",
              "utc": "2073-08-25T09:33:26Z",
              "ms": 3270879205996.9414
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 09:09 on Thu 24 Aug to 11:14 on Fri 25 Aug.",
          "fact": "2073-08-24T06:08:55Z → 2073-08-25T08:13:45Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 24th, 11:45–12:33 on the 25th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 1901 s"
        },
        {
          "step": "ruling",
          "text": "Śītalā Saptamī, Mosul, 2073: Thursday 24 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": "2073-08-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-08-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śītalā Saptamī 2073 falls on Thursday 24 August. Saptamī runs from 09:09 on Thu 24 Aug to 11:14 on Fri 25 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/janmashtami",
      "festival": "janmashtami",
      "name": "Janmāṣṭamī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-08-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 38378,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2073-08-25T11:13:45+03:00",
          "utc": "2073-08-25T08:13:45Z",
          "ms": 3270874424795.556
        },
        "end": {
          "local": "2073-08-26T12:50:27+03:00",
          "utc": "2073-08-26T09:50:27Z",
          "ms": 3270966627224.0537
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-08-25T11:13:45+03:00",
          "utc": "2073-08-25T08:13:45Z",
          "ms": 3270874424795.556
        },
        "end": {
          "local": "2073-08-26T12:50:27+03:00",
          "utc": "2073-08-26T09:50:27Z",
          "ms": 3270966627224.0537
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2073-08-24",
          "window": {
            "start": {
              "local": "2073-08-24T23:46:07+03:00",
              "utc": "2073-08-24T20:46:07Z",
              "ms": 3270833166506.8975
            },
            "end": {
              "local": "2073-08-25T00:34:07+03:00",
              "utc": "2073-08-24T21:34:07Z",
              "ms": 3270836046506.8975
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-08-25",
          "window": {
            "start": {
              "local": "2073-08-25T23:45:50+03:00",
              "utc": "2073-08-25T20:45:50Z",
              "ms": 3270919549716.736
            },
            "end": {
              "local": "2073-08-26T00:33:50+03:00",
              "utc": "2073-08-25T21:33:50Z",
              "ms": 3270922429716.736
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 11:14 on Fri 25 Aug to 12:50 on Sat 26 Aug.",
          "fact": "2073-08-25T08:13:45Z → 2073-08-26T09:50:27Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:46–00:34 on the 24th, 23:46–00:34 on the 25th.",
          "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 24th and 48 of 48 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 38378 s"
        },
        {
          "step": "ruling",
          "text": "Janmāṣṭamī, Mosul, 2073: Friday 25 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": "2073-08-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-08-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Janmāṣṭamī 2073 falls on Friday 25 August. Aṣṭamī runs from 11:14 on Fri 25 Aug to 12:50 on Sat 26 Aug and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/ekadashi?on=2073-08-29",
      "festival": "ekadashi",
      "name": "Ajā Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-08-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28657,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-08-28T14:05:28+03:00",
          "utc": "2073-08-28T11:05:28Z",
          "ms": 3271143927502.9937
        },
        "end": {
          "local": "2073-08-29T13:35:04+03:00",
          "utc": "2073-08-29T10:35:04Z",
          "ms": 3271228503645.6763
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-08-28T14:05:28+03:00",
          "utc": "2073-08-28T11:05:28Z",
          "ms": 3271143927502.9937
        },
        "end": {
          "local": "2073-08-29T13:35:04+03:00",
          "utc": "2073-08-29T10:35:04Z",
          "ms": 3271228503645.6763
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-08-28",
          "window": {
            "start": {
              "local": "2073-08-28T05:36:39+03:00",
              "utc": "2073-08-28T02:36:39Z",
              "ms": 3271113399266.5845
            },
            "end": {
              "local": "2073-08-28T05:36:39+03:00",
              "utc": "2073-08-28T02:36:39Z",
              "ms": 3271113399266.5845
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2073-08-29",
          "window": {
            "start": {
              "local": "2073-08-29T05:37:27+03:00",
              "utc": "2073-08-29T02:37:27Z",
              "ms": 3271199846521.0513
            },
            "end": {
              "local": "2073-08-29T05:37:27+03:00",
              "utc": "2073-08-29T02:37:27Z",
              "ms": 3271199846521.0513
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 14:05 on Mon 28 Aug to 13:35 on Tue 29 Aug.",
          "fact": "2073-08-28T11:05:28Z → 2073-08-29T10:35:04Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:37 on the 28th and 05:37 on the 29th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 28th and is 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 28657 s"
        },
        {
          "step": "ruling",
          "text": "Ajā Ekādaśī, Mosul, 2073: Tuesday 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": "2073-08-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-08-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Ajā Ekādaśī 2073 falls on Tuesday 29 August. Ekādaśī runs from 14:05 on Mon 28 Aug to 13:35 on Tue 29 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-08-29",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/pradosha-vrata?on=2073-08-30",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-08-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22686,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-08-30T12:19:34+03:00",
          "utc": "2073-08-30T09:19:34Z",
          "ms": 3271310374085.8257
        },
        "end": {
          "local": "2073-08-31T10:23:01+03:00",
          "utc": "2073-08-31T07:23:01Z",
          "ms": 3271389780513.8286
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-08-30T12:19:34+03:00",
          "utc": "2073-08-30T09:19:34Z",
          "ms": 3271310374085.8257
        },
        "end": {
          "local": "2073-08-31T10:23:01+03:00",
          "utc": "2073-08-31T07:23:01Z",
          "ms": 3271389780513.8286
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-08-30",
          "window": {
            "start": {
              "local": "2073-08-30T18:37:40+03:00",
              "utc": "2073-08-30T15:37:40Z",
              "ms": 3271333060026.1714
            },
            "end": {
              "local": "2073-08-30T20:05:51+03:00",
              "utc": "2073-08-30T17:05:51Z",
              "ms": 3271338350802.9307
            }
          },
          "covered_min": 88,
          "window_min": 88,
          "qualifies": true
        },
        {
          "local_date": "2073-08-31",
          "window": {
            "start": {
              "local": "2073-08-31T18:36:15+03:00",
              "utc": "2073-08-31T15:36:15Z",
              "ms": 3271419375308.436
            },
            "end": {
              "local": "2073-08-31T20:04:44+03:00",
              "utc": "2073-08-31T17:04:44Z",
              "ms": 3271424683657.791
            }
          },
          "covered_min": 0,
          "window_min": 88,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 12:20 on Wed 30 Aug to 10:23 on Thu 31 Aug.",
          "fact": "2073-08-30T09:19:34Z → 2073-08-31T07:23:01Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:38–20:06 on the 30th, 18:36–20:05 on the 31st.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 88 of 88 minutes on the 30th and 0 of 88 on the 31st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 22686 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 2073: Wednesday 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": "2073-08-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-08-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 2073 falls on Wednesday 30 August. Trayodaśī runs from 12:20 on Wed 30 Aug to 10:23 on Thu 31 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/pradosha-vrata?on=2073-08-30",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/aghora-chaturdashi",
      "festival": "aghora-chaturdashi",
      "name": "Aghora Caturdaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-08-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29595,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2073-08-31T10:23:01+03:00",
          "utc": "2073-08-31T07:23:01Z",
          "ms": 3271389780513.8286
        },
        "end": {
          "local": "2073-09-01T07:51:43+03:00",
          "utc": "2073-09-01T04:51:43Z",
          "ms": 3271467102513.8276
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-08-31T10:23:01+03:00",
          "utc": "2073-08-31T07:23:01Z",
          "ms": 3271389780513.8286
        },
        "end": {
          "local": "2073-09-01T07:51:43+03:00",
          "utc": "2073-09-01T04:51:43Z",
          "ms": 3271467102513.8276
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-08-31",
          "window": {
            "start": {
              "local": "2073-08-31T18:36:15+03:00",
              "utc": "2073-08-31T15:36:15Z",
              "ms": 3271419375308.436
            },
            "end": {
              "local": "2073-08-31T20:04:44+03:00",
              "utc": "2073-08-31T17:04:44Z",
              "ms": 3271424683657.791
            }
          },
          "covered_min": 88,
          "window_min": 88,
          "qualifies": true
        },
        {
          "local_date": "2073-09-01",
          "window": {
            "start": {
              "local": "2073-09-01T18:34:50+03:00",
              "utc": "2073-09-01T15:34:50Z",
              "ms": 3271505690068.4385
            },
            "end": {
              "local": "2073-09-01T20:03:36+03:00",
              "utc": "2073-09-01T17:03:36Z",
              "ms": 3271511016052.101
            }
          },
          "covered_min": 0,
          "window_min": 89,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 10:23 on Thu 31 Aug to 07:52 on Fri 1 Sep.",
          "fact": "2073-08-31T07:23:01Z → 2073-09-01T04:51:43Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:36–20:05 on the 31st, 18:35–20:04 on the 1st.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during pradoṣa. It covers 88 of 88 minutes on the 31st and 0 of 89 on the 1st.",
          "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 29595 s"
        },
        {
          "step": "ruling",
          "text": "Aghora Caturdaśī, Mosul, 2073: Thursday 31 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": "2073-08-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-08-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Aghora Caturdaśī 2073 falls on Thursday 31 August. Caturdaśī runs from 10:23 on Thu 31 Aug to 07:52 on Fri 1 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/shivaratri?on=2073-08-31",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-08-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26381,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2073-08-31T10:23:01+03:00",
          "utc": "2073-08-31T07:23:01Z",
          "ms": 3271389780513.8286
        },
        "end": {
          "local": "2073-09-01T07:51:43+03:00",
          "utc": "2073-09-01T04:51:43Z",
          "ms": 3271467102513.8276
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-08-31T10:23:01+03:00",
          "utc": "2073-08-31T07:23:01Z",
          "ms": 3271389780513.8286
        },
        "end": {
          "local": "2073-09-01T07:51:43+03:00",
          "utc": "2073-09-01T04:51:43Z",
          "ms": 3271467102513.8276
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2073-08-30",
          "window": {
            "start": {
              "local": "2073-08-30T23:44:20+03:00",
              "utc": "2073-08-30T20:44:20Z",
              "ms": 3271351460439.019
            },
            "end": {
              "local": "2073-08-31T00:32:20+03:00",
              "utc": "2073-08-30T21:32:20Z",
              "ms": 3271354340439.019
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-08-31",
          "window": {
            "start": {
              "local": "2073-08-31T23:44:02+03:00",
              "utc": "2073-08-31T20:44:02Z",
              "ms": 3271437841618.5166
            },
            "end": {
              "local": "2073-09-01T00:32:02+03:00",
              "utc": "2073-08-31T21:32:02Z",
              "ms": 3271440721618.5166
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 10:23 on Thu 31 Aug to 07:52 on Fri 1 Sep.",
          "fact": "2073-08-31T07:23:01Z → 2073-09-01T04:51:43Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:44–00:32 on the 30th, 23:44–00:32 on the 31st.",
          "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 30th and 48 of 48 on the 31st.",
          "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 26381 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Mosul, 2073: Thursday 31 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": "2073-08-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-08-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śivarātri 2073 falls on Thursday 31 August. Caturdaśī runs from 10:23 on Thu 31 Aug to 07:52 on Fri 1 Sep and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mosul/festivals/2073/shivaratri?on=2073-08-31",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/rudra-vrata",
      "festival": "rudra-vrata",
      "name": "Rudra Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-09-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24565,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2073-09-02T04:53:35+03:00",
          "utc": "2073-09-02T01:53:35Z",
          "ms": 3271542814584.091
        },
        "end": {
          "local": "2073-09-03T01:37:29+03:00",
          "utc": "2073-09-02T22:37:29Z",
          "ms": 3271617448917.4907
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-09-02T04:53:35+03:00",
          "utc": "2073-09-02T01:53:35Z",
          "ms": 3271542814584.091
        },
        "end": {
          "local": "2073-09-03T01:37:29+03:00",
          "utc": "2073-09-02T22:37:29Z",
          "ms": 3271617448917.4907
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-09-02",
          "window": {
            "start": {
              "local": "2073-09-02T11:43:00+03:00",
              "utc": "2073-09-02T08:43:00Z",
              "ms": 3271567379638.3916
            },
            "end": {
              "local": "2073-09-02T12:31:00+03:00",
              "utc": "2073-09-02T09:31:00Z",
              "ms": 3271570259638.3916
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-09-03",
          "window": {
            "start": {
              "local": "2073-09-03T11:42:40+03:00",
              "utc": "2073-09-03T08:42:40Z",
              "ms": 3271653760011.8076
            },
            "end": {
              "local": "2073-09-03T12:30:40+03:00",
              "utc": "2073-09-03T09:30:40Z",
              "ms": 3271656640011.8076
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 04:54 on Sat 2 Sep to 01:37 on Sun 3 Sep.",
          "fact": "2073-09-02T01:53:35Z → 2073-09-02T22:37:29Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 2nd, 11:43–12:31 on the 3rd.",
          "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 2nd and 0 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: purvaviddha → only-day · margin 24565 s"
        },
        {
          "step": "ruling",
          "text": "Rudra Vrata, Mosul, 2073: Saturday 2 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rudra-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Rudra vrata (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-09-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-09-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Rudra Vrata 2073 falls on Saturday 2 September. Pratipadā runs from 04:54 on Sat 2 Sep to 01:37 on Sun 3 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/haritalika-vrata",
      "festival": "haritalika-vrata",
      "name": "Haritālikā Vrata",
      "everyday": "Hartalika Teej",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-09-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22705,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2073-09-03T22:12:45+03:00",
          "utc": "2073-09-03T19:12:45Z",
          "ms": 3271691565059.144
        },
        "end": {
          "local": "2073-09-04T18:48:45+03:00",
          "utc": "2073-09-04T15:48:45Z",
          "ms": 3271765724760.7812
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-09-03T22:12:45+03:00",
          "utc": "2073-09-03T19:12:45Z",
          "ms": 3271691565059.144
        },
        "end": {
          "local": "2073-09-04T18:48:45+03:00",
          "utc": "2073-09-04T15:48:45Z",
          "ms": 3271765724760.7812
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-09-03",
          "window": {
            "start": {
              "local": "2073-09-03T11:42:40+03:00",
              "utc": "2073-09-03T08:42:40Z",
              "ms": 3271653760011.8076
            },
            "end": {
              "local": "2073-09-03T12:30:40+03:00",
              "utc": "2073-09-03T09:30:40Z",
              "ms": 3271656640011.8076
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-09-04",
          "window": {
            "start": {
              "local": "2073-09-04T11:42:20+03:00",
              "utc": "2073-09-04T08:42:20Z",
              "ms": 3271740140131.1084
            },
            "end": {
              "local": "2073-09-04T12:30:20+03:00",
              "utc": "2073-09-04T09:30:20Z",
              "ms": 3271743020131.1084
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 22:13 on Sun 3 Sep to 18:49 on Mon 4 Sep.",
          "fact": "2073-09-03T19:12:45Z → 2073-09-04T15:48:45Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 3rd, 11:42–12:30 on the 4th.",
          "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 3rd and 48 of 48 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 22705 s"
        },
        {
          "step": "ruling",
          "text": "Haritālikā Vrata, Mosul, 2073: Monday 4 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "haritalika-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-09-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-09-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Haritālikā Vrata (Hartalika Teej) 2073 falls on Monday 4 September. Tṛtīyā runs from 22:13 on Sun 3 Sep to 18:49 on Mon 4 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/ganesha-chaturthi",
      "festival": "ganesha-chaturthi",
      "name": "Gaṇeśa Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-09-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11069,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-09-04T18:48:45+03:00",
          "utc": "2073-09-04T15:48:45Z",
          "ms": 3271765724760.7812
        },
        "end": {
          "local": "2073-09-05T15:34:29+03:00",
          "utc": "2073-09-05T12:34:29Z",
          "ms": 3271840469307.889
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-09-04T18:48:45+03:00",
          "utc": "2073-09-04T15:48:45Z",
          "ms": 3271765724760.7812
        },
        "end": {
          "local": "2073-09-05T15:34:29+03:00",
          "utc": "2073-09-05T12:34:29Z",
          "ms": 3271840469307.889
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-09-04",
          "window": {
            "start": {
              "local": "2073-09-04T11:42:20+03:00",
              "utc": "2073-09-04T08:42:20Z",
              "ms": 3271740140131.1084
            },
            "end": {
              "local": "2073-09-04T12:30:20+03:00",
              "utc": "2073-09-04T09:30:20Z",
              "ms": 3271743020131.1084
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-09-05",
          "window": {
            "start": {
              "local": "2073-09-05T11:42:00+03:00",
              "utc": "2073-09-05T08:42:00Z",
              "ms": 3271826520009.445
            },
            "end": {
              "local": "2073-09-05T12:30:00+03:00",
              "utc": "2073-09-05T09:30:00Z",
              "ms": 3271829400009.445
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 18:49 on Mon 4 Sep to 15:34 on Tue 5 Sep.",
          "fact": "2073-09-04T15:48:45Z → 2073-09-05T12:34:29Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 4th, 11:42–12:30 on the 5th.",
          "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 4th and 48 of 48 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 11069 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Caturthī, Mosul, 2073: Tuesday 5 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ganesha-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-09-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-09-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Gaṇeśa Caturthī 2073 falls on Tuesday 5 September. Caturthī runs from 18:49 on Mon 4 Sep to 15:34 on Tue 5 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/rishi-panchami",
      "festival": "rishi-panchami",
      "name": "Ṛṣi Pañcamī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-09-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 517,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2073-09-05T15:34:29+03:00",
          "utc": "2073-09-05T12:34:29Z",
          "ms": 3271840469307.889
        },
        "end": {
          "local": "2073-09-06T12:38:17+03:00",
          "utc": "2073-09-06T09:38:17Z",
          "ms": 3271916296870.5386
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-09-05T15:34:29+03:00",
          "utc": "2073-09-05T12:34:29Z",
          "ms": 3271840469307.889
        },
        "end": {
          "local": "2073-09-06T12:38:17+03:00",
          "utc": "2073-09-06T09:38:17Z",
          "ms": 3271916296870.5386
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-09-05",
          "window": {
            "start": {
              "local": "2073-09-05T11:42:00+03:00",
              "utc": "2073-09-05T08:42:00Z",
              "ms": 3271826520009.445
            },
            "end": {
              "local": "2073-09-05T12:30:00+03:00",
              "utc": "2073-09-05T09:30:00Z",
              "ms": 3271829400009.445
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-09-06",
          "window": {
            "start": {
              "local": "2073-09-06T11:41:40+03:00",
              "utc": "2073-09-06T08:41:40Z",
              "ms": 3271912899661.1543
            },
            "end": {
              "local": "2073-09-06T12:29:40+03:00",
              "utc": "2073-09-06T09:29:40Z",
              "ms": 3271915779661.1543
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 15:34 on Tue 5 Sep to 12:38 on Wed 6 Sep.",
          "fact": "2073-09-05T12:34:29Z → 2073-09-06T09:38:17Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 5th, 11:42–12:30 on the 6th.",
          "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 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: disputed → only-day · margin 517 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Pañcamī, Mosul, 2073: Wednesday 6 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rishi-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day"
          }
        ],
        "kaala": "madhyahna",
        "priority": "disputed",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-09-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-09-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Ṛṣi Pañcamī 2073 falls on Wednesday 6 September. Pañcamī runs from 15:34 on Tue 5 Sep to 12:38 on Wed 6 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/surya-shashthi-bhadrapada",
      "festival": "surya-shashthi-bhadrapada",
      "name": "Sūrya Ṣaṣṭhī (Bhādrapada)",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-09-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 517,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2073-09-06T12:38:17+03:00",
          "utc": "2073-09-06T09:38:17Z",
          "ms": 3271916296870.5386
        },
        "end": {
          "local": "2073-09-07T10:07:19+03:00",
          "utc": "2073-09-07T07:07:19Z",
          "ms": 3271993638709.733
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-09-06T12:38:17+03:00",
          "utc": "2073-09-06T09:38:17Z",
          "ms": 3271916296870.5386
        },
        "end": {
          "local": "2073-09-07T10:07:19+03:00",
          "utc": "2073-09-07T07:07:19Z",
          "ms": 3271993638709.733
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-09-06",
          "window": {
            "start": {
              "local": "2073-09-06T11:41:40+03:00",
              "utc": "2073-09-06T08:41:40Z",
              "ms": 3271912899661.1543
            },
            "end": {
              "local": "2073-09-06T12:29:40+03:00",
              "utc": "2073-09-06T09:29:40Z",
              "ms": 3271915779661.1543
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-09-07",
          "window": {
            "start": {
              "local": "2073-09-07T11:41:19+03:00",
              "utc": "2073-09-07T08:41:19Z",
              "ms": 3271999279101.9565
            },
            "end": {
              "local": "2073-09-07T12:29:19+03:00",
              "utc": "2073-09-07T09:29:19Z",
              "ms": 3272002159101.9565
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 12:38 on Wed 6 Sep to 10:07 on Thu 7 Sep.",
          "fact": "2073-09-06T09:38:17Z → 2073-09-07T07:07:19Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 6th, 11:41–12:29 on the 7th.",
          "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 6th and 0 of 48 on the 7th.",
          "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 517 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Mosul, 2073: Thursday 7 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "surya-shashthi-bhadrapada",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-09-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-09-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Sūrya Ṣaṣṭhī (Bhādrapada) 2073 falls on Thursday 7 September. Ṣaṣṭhī runs from 12:38 on Wed 6 Sep to 10:07 on Thu 7 Sep, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/muktabharana-vrata",
      "festival": "muktabharana-vrata",
      "name": "Muktābharaṇa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-09-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5640,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2073-09-07T10:07:19+03:00",
          "utc": "2073-09-07T07:07:19Z",
          "ms": 3271993638709.733
        },
        "end": {
          "local": "2073-09-08T08:07:15+03:00",
          "utc": "2073-09-08T05:07:15Z",
          "ms": 3272072835140.532
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-09-07T10:07:19+03:00",
          "utc": "2073-09-07T07:07:19Z",
          "ms": 3271993638709.733
        },
        "end": {
          "local": "2073-09-08T08:07:15+03:00",
          "utc": "2073-09-08T05:07:15Z",
          "ms": 3272072835140.532
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-09-07",
          "window": {
            "start": {
              "local": "2073-09-07T11:41:19+03:00",
              "utc": "2073-09-07T08:41:19Z",
              "ms": 3271999279101.9565
            },
            "end": {
              "local": "2073-09-07T12:29:19+03:00",
              "utc": "2073-09-07T09:29:19Z",
              "ms": 3272002159101.9565
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-09-08",
          "window": {
            "start": {
              "local": "2073-09-08T11:40:58+03:00",
              "utc": "2073-09-08T08:40:58Z",
              "ms": 3272085658348.9746
            },
            "end": {
              "local": "2073-09-08T12:28:58+03:00",
              "utc": "2073-09-08T09:28:58Z",
              "ms": 3272088538348.9746
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 10:07 on Thu 7 Sep to 08:07 on Fri 8 Sep.",
          "fact": "2073-09-07T07:07:19Z → 2073-09-08T05:07:15Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 7th, 11:41–12:29 on the 8th.",
          "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 7th and 0 of 48 on the 8th.",
          "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 5640 s"
        },
        {
          "step": "ruling",
          "text": "Muktābharaṇa Vrata, Mosul, 2073: Thursday 7 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "muktabharana-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-09-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-09-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Muktābharaṇa Vrata 2073 falls on Thursday 7 September. Saptamī runs from 10:07 on Thu 7 Sep to 08:07 on Fri 8 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/radhashtami",
      "festival": "radhashtami",
      "name": "Rādhāṣṭamī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-09-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12823,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2073-09-08T08:07:15+03:00",
          "utc": "2073-09-08T05:07:15Z",
          "ms": 3272072835140.532
        },
        "end": {
          "local": "2073-09-09T06:41:55+03:00",
          "utc": "2073-09-09T03:41:55Z",
          "ms": 3272154114604.733
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-09-08T08:07:15+03:00",
          "utc": "2073-09-08T05:07:15Z",
          "ms": 3272072835140.532
        },
        "end": {
          "local": "2073-09-09T06:41:55+03:00",
          "utc": "2073-09-09T03:41:55Z",
          "ms": 3272154114604.733
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-09-08",
          "window": {
            "start": {
              "local": "2073-09-08T11:40:58+03:00",
              "utc": "2073-09-08T08:40:58Z",
              "ms": 3272085658348.9746
            },
            "end": {
              "local": "2073-09-08T12:28:58+03:00",
              "utc": "2073-09-08T09:28:58Z",
              "ms": 3272088538348.9746
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-09-09",
          "window": {
            "start": {
              "local": "2073-09-09T11:40:37+03:00",
              "utc": "2073-09-09T08:40:37Z",
              "ms": 3272172037420.6436
            },
            "end": {
              "local": "2073-09-09T12:28:37+03:00",
              "utc": "2073-09-09T09:28:37Z",
              "ms": 3272174917420.6436
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 08:07 on Fri 8 Sep to 06:42 on Sat 9 Sep.",
          "fact": "2073-09-08T05:07:15Z → 2073-09-09T03:41:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 8th, 11:41–12:29 on the 9th.",
          "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 8th and 0 of 48 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 12823 s"
        },
        {
          "step": "ruling",
          "text": "Rādhāṣṭamī, Mosul, 2073: Friday 8 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "radhashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-09-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-09-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Rādhāṣṭamī 2073 falls on Friday 8 September. Aṣṭamī runs from 08:07 on Fri 8 Sep to 06:42 on Sat 9 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/ekadashi?on=2073-09-12",
      "festival": "ekadashi",
      "name": "Parivartanī Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-09-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 440,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-09-11T05:40:16+03:00",
          "utc": "2073-09-11T02:40:16Z",
          "ms": 3272323215551.326
        },
        "end": {
          "local": "2073-09-12T06:01:33+03:00",
          "utc": "2073-09-12T03:01:33Z",
          "ms": 3272410892904.668
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-09-11T05:40:16+03:00",
          "utc": "2073-09-11T02:40:16Z",
          "ms": 3272323215551.326
        },
        "end": {
          "local": "2073-09-12T06:01:33+03:00",
          "utc": "2073-09-12T03:01:33Z",
          "ms": 3272410892904.668
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-09-11",
          "window": {
            "start": {
              "local": "2073-09-11T05:47:36+03:00",
              "utc": "2073-09-11T02:47:36Z",
              "ms": 3272323655725.87
            },
            "end": {
              "local": "2073-09-11T05:47:36+03:00",
              "utc": "2073-09-11T02:47:36Z",
              "ms": 3272323655725.87
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-09-12",
          "window": {
            "start": {
              "local": "2073-09-12T05:48:22+03:00",
              "utc": "2073-09-12T02:48:22Z",
              "ms": 3272410102323.591
            },
            "end": {
              "local": "2073-09-12T05:48:22+03:00",
              "utc": "2073-09-12T02:48:22Z",
              "ms": 3272410102323.591
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 05:40 on Mon 11 Sep to 06:02 on Tue 12 Sep.",
          "fact": "2073-09-11T02:40:16Z → 2073-09-12T03:01:33Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:48 on the 11th and 05:48 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 on the 12th.",
          "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 440 s"
        },
        {
          "step": "ruling",
          "text": "Parivartanī Ekādaśī, Mosul, 2073: Tuesday 12 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": "2073-09-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-09-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Parivartanī Ekādaśī 2073 falls on Tuesday 12 September. Ekādaśī runs from 05:40 on Mon 11 Sep to 06:02 on Tue 12 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-09-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/vamana-jayanti",
      "festival": "vamana-jayanti",
      "name": "Vāmana Jayantī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-09-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17139,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2073-09-12T06:01:33+03:00",
          "utc": "2073-09-12T03:01:33Z",
          "ms": 3272410892904.668
        },
        "end": {
          "local": "2073-09-13T06:53:33+03:00",
          "utc": "2073-09-13T03:53:33Z",
          "ms": 3272500413292.3433
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-09-12T06:01:33+03:00",
          "utc": "2073-09-12T03:01:33Z",
          "ms": 3272410892904.668
        },
        "end": {
          "local": "2073-09-13T06:53:33+03:00",
          "utc": "2073-09-13T03:53:33Z",
          "ms": 3272500413292.3433
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-09-12",
          "window": {
            "start": {
              "local": "2073-09-12T11:39:34+03:00",
              "utc": "2073-09-12T08:39:34Z",
              "ms": 3272431173784.0854
            },
            "end": {
              "local": "2073-09-12T12:27:34+03:00",
              "utc": "2073-09-12T09:27:34Z",
              "ms": 3272434053784.0854
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-09-13",
          "window": {
            "start": {
              "local": "2073-09-13T11:39:12+03:00",
              "utc": "2073-09-13T08:39:12Z",
              "ms": 3272517552359.117
            },
            "end": {
              "local": "2073-09-13T12:27:12+03:00",
              "utc": "2073-09-13T09:27:12Z",
              "ms": 3272520432359.117
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 06:02 on Tue 12 Sep to 06:54 on Wed 13 Sep.",
          "fact": "2073-09-12T03:01:33Z → 2073-09-13T03:53:33Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 12th, 11:39–12:27 on the 13th.",
          "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 12th and 0 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 17139 s"
        },
        {
          "step": "ruling",
          "text": "Vāmana Jayantī, Mosul, 2073: Tuesday 12 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vamana-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-09-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-09-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Vāmana Jayantī 2073 falls on Tuesday 12 September. Dvādaśī runs from 06:02 on Tue 12 Sep to 06:54 on Wed 13 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/pradosha-vrata?on=2073-09-13",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-09-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36209,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-09-13T06:53:33+03:00",
          "utc": "2073-09-13T03:53:33Z",
          "ms": 3272500413292.3433
        },
        "end": {
          "local": "2073-09-14T08:12:18+03:00",
          "utc": "2073-09-14T05:12:18Z",
          "ms": 3272591537657.2397
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-09-13T06:53:33+03:00",
          "utc": "2073-09-13T03:53:33Z",
          "ms": 3272500413292.3433
        },
        "end": {
          "local": "2073-09-14T08:12:18+03:00",
          "utc": "2073-09-14T05:12:18Z",
          "ms": 3272591537657.2397
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-09-13",
          "window": {
            "start": {
              "local": "2073-09-13T18:17:16+03:00",
              "utc": "2073-09-13T15:17:16Z",
              "ms": 3272541435789.9277
            },
            "end": {
              "local": "2073-09-13T19:49:37+03:00",
              "utc": "2073-09-13T16:49:37Z",
              "ms": 3272546977091.798
            }
          },
          "covered_min": 92,
          "window_min": 92,
          "qualifies": true
        },
        {
          "local_date": "2073-09-14",
          "window": {
            "start": {
              "local": "2073-09-14T18:15:46+03:00",
              "utc": "2073-09-14T15:15:46Z",
              "ms": 3272627746176.1177
            },
            "end": {
              "local": "2073-09-14T19:48:26+03:00",
              "utc": "2073-09-14T16:48:26Z",
              "ms": 3272633305647.9253
            }
          },
          "covered_min": 0,
          "window_min": 93,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 06:54 on Wed 13 Sep to 08:12 on Thu 14 Sep.",
          "fact": "2073-09-13T03:53:33Z → 2073-09-14T05:12:18Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:17–19:50 on the 13th, 18:16–19:48 on the 14th.",
          "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 13th and 0 of 93 on the 14th.",
          "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 36209 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Mosul, 2073: Wednesday 13 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": "2073-09-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-09-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śukla Pradoṣa Vrata 2073 falls on Wednesday 13 September. Trayodaśī runs from 06:54 on Wed 13 Sep to 08:12 on Thu 14 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/pradosha-vrata?on=2073-09-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/ananta-chaturdashi",
      "festival": "ananta-chaturdashi",
      "name": "Ananta Caturdaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-09-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 408,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2073-09-14T08:12:18+03:00",
          "utc": "2073-09-14T05:12:18Z",
          "ms": 3272591537657.2397
        },
        "end": {
          "local": "2073-09-15T09:53:37+03:00",
          "utc": "2073-09-15T06:53:37Z",
          "ms": 3272684017395.871
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-09-14T08:12:18+03:00",
          "utc": "2073-09-14T05:12:18Z",
          "ms": 3272591537657.2397
        },
        "end": {
          "local": "2073-09-15T09:53:37+03:00",
          "utc": "2073-09-15T06:53:37Z",
          "ms": 3272684017395.871
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "2073-09-14",
          "window": {
            "start": {
              "local": "2073-09-14T05:49:56+03:00",
              "utc": "2073-09-14T02:49:56Z",
              "ms": 3272582995553.952
            },
            "end": {
              "local": "2073-09-14T08:19:06+03:00",
              "utc": "2073-09-14T05:19:06Z",
              "ms": 3272591945678.3853
            }
          },
          "covered_min": 7,
          "window_min": 149,
          "qualifies": false
        },
        {
          "local_date": "2073-09-15",
          "window": {
            "start": {
              "local": "2073-09-15T05:50:42+03:00",
              "utc": "2073-09-15T02:50:42Z",
              "ms": 3272669442214.6753
            },
            "end": {
              "local": "2073-09-15T08:19:25+03:00",
              "utc": "2073-09-15T05:19:25Z",
              "ms": 3272678365058.371
            }
          },
          "covered_min": 149,
          "window_min": 149,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 08:12 on Thu 14 Sep to 09:54 on Fri 15 Sep.",
          "fact": "2073-09-14T05:12:18Z → 2073-09-15T06:53:37Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:50–08:19 on the 14th, 05:51–08:19 on the 15th.",
          "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 7 of 149 minutes on the 14th and 149 of 149 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one morning qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 408 s"
        },
        {
          "step": "ruling",
          "text": "Ananta Caturdaśī, Mosul, 2073: Friday 15 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ananta-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 14 Ananta caturdasi (covering three muhurtas from sunrise, but one muhurta in Bengal)."
          }
        ],
        "not_evaluated": "In Bengal the row asks for one muhūrta from sunrise; that reading is not applied.",
        "kaala": "udaya-3",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-09-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-09-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Ananta Caturdaśī 2073 falls on Friday 15 September. Caturdaśī runs from 08:12 on Thu 14 Sep to 09:54 on Fri 15 Sep and covers all of the first three muhūrtas after sunrise that morning.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/sankashta-chaturthi?on=2073-09-19",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-09-19",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 3180,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-09-19T19:00:36+03:00",
          "utc": "2073-09-19T16:00:36Z",
          "ms": 3273062436014.0884
        },
        "end": {
          "local": "2073-09-20T21:26:55+03:00",
          "utc": "2073-09-20T18:26:55Z",
          "ms": 3273157614790.6255
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-09-19T19:00:36+03:00",
          "utc": "2073-09-19T16:00:36Z",
          "ms": 3273062436014.0884
        },
        "end": {
          "local": "2073-09-20T21:26:55+03:00",
          "utc": "2073-09-20T18:26:55Z",
          "ms": 3273157614790.6255
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2073-09-19",
          "window": {
            "start": {
              "local": "2073-09-19T20:01:47+03:00",
              "utc": "2073-09-19T17:01:47Z",
              "ms": 3273066107431.1733
            },
            "end": {
              "local": "2073-09-19T20:01:47+03:00",
              "utc": "2073-09-19T17:01:47Z",
              "ms": 3273066107431.1733
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-09-20",
          "window": {
            "start": {
              "local": "2073-09-20T20:33:55+03:00",
              "utc": "2073-09-20T17:33:55Z",
              "ms": 3273154435284.991
            },
            "end": {
              "local": "2073-09-20T20:33:55+03:00",
              "utc": "2073-09-20T17:33:55Z",
              "ms": 3273154435284.991
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 19:01 on Tue 19 Sep to 21:27 on Wed 20 Sep.",
          "fact": "2073-09-19T16:00:36Z → 2073-09-20T18:26:55Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:02 on the 19th and 20:34 on the 20th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 19th and is on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Both moonrises qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 3180 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mosul, 2073: Tuesday 19 September.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-09-19",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-09-19",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mosul, Saṅkaṣṭa Caturthī 2073 falls on Tuesday 19 September. Caturthī runs from 19:01 on Tue 19 Sep to 21:27 on Wed 20 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/sankashta-chaturthi?on=2073-09-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/chandra-shashthi",
      "festival": "chandra-shashthi",
      "name": "Candra Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-09-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9232,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2073-09-21T23:42:33+03:00",
          "utc": "2073-09-21T20:42:33Z",
          "ms": 3273252152545.982
        },
        "end": {
          "local": "2073-09-23T01:38:02+03:00",
          "utc": "2073-09-22T22:38:02Z",
          "ms": 3273345482427.9897
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-09-21T23:42:33+03:00",
          "utc": "2073-09-21T20:42:33Z",
          "ms": 3273252152545.982
        },
        "end": {
          "local": "2073-09-23T01:38:02+03:00",
          "utc": "2073-09-22T22:38:02Z",
          "ms": 3273345482427.9897
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2073-09-21",
          "window": {
            "start": {
              "local": "2073-09-21T21:08:40+03:00",
              "utc": "2073-09-21T18:08:40Z",
              "ms": 3273242920070.701
            },
            "end": {
              "local": "2073-09-21T21:08:40+03:00",
              "utc": "2073-09-21T18:08:40Z",
              "ms": 3273242920070.701
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2073-09-22",
          "window": {
            "start": {
              "local": "2073-09-22T21:47:01+03:00",
              "utc": "2073-09-22T18:47:01Z",
              "ms": 3273331621022.6987
            },
            "end": {
              "local": "2073-09-22T21:47:01+03:00",
              "utc": "2073-09-22T18:47:01Z",
              "ms": 3273331621022.6987
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 23:43 on Thu 21 Sep to 01:38 on Sat 23 Sep.",
          "fact": "2073-09-21T20:42:33Z → 2073-09-22T22:38:02Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:09 on the 21st and 21:47 on the 22nd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 21st and is on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 9232 s"
        },
        {
          "step": "ruling",
          "text": "Candra Ṣaṣṭhī, Mosul, 2073: Friday 22 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": "2073-09-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-09-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Candra Ṣaṣṭhī 2073 falls on Friday 22 September. Ṣaṣṭhī runs from 23:43 on Thu 21 Sep to 01:38 on Sat 23 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/jitashtami",
      "festival": "jitashtami",
      "name": "Jitāṣṭamī",
      "everyday": "Jitiya",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-09-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26764,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2073-09-24T03:03:46+03:00",
          "utc": "2073-09-24T00:03:46Z",
          "ms": 3273437025821.197
        },
        "end": {
          "local": "2073-09-25T03:51:08+03:00",
          "utc": "2073-09-25T00:51:08Z",
          "ms": 3273526267777.8794
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-09-24T03:03:46+03:00",
          "utc": "2073-09-24T00:03:46Z",
          "ms": 3273437025821.197
        },
        "end": {
          "local": "2073-09-25T03:51:08+03:00",
          "utc": "2073-09-25T00:51:08Z",
          "ms": 3273526267777.8794
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-09-23",
          "window": {
            "start": {
              "local": "2073-09-23T18:02:18+03:00",
              "utc": "2073-09-23T15:02:18Z",
              "ms": 3273404537553.8096
            },
            "end": {
              "local": "2073-09-23T19:37:41+03:00",
              "utc": "2073-09-23T16:37:41Z",
              "ms": 3273410261385.298
            }
          },
          "covered_min": 0,
          "window_min": 95,
          "qualifies": false
        },
        {
          "local_date": "2073-09-24",
          "window": {
            "start": {
              "local": "2073-09-24T18:00:48+03:00",
              "utc": "2073-09-24T15:00:48Z",
              "ms": 3273490848033.681
            },
            "end": {
              "local": "2073-09-24T19:36:30+03:00",
              "utc": "2073-09-24T16:36:30Z",
              "ms": 3273496590181.1357
            }
          },
          "covered_min": 96,
          "window_min": 96,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 03:04 on Sun 24 Sep to 03:51 on Mon 25 Sep.",
          "fact": "2073-09-24T00:03:46Z → 2073-09-25T00:51:08Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:02–19:38 on the 23rd, 18:01–19:37 on the 24th.",
          "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 95 minutes on the 23rd and 96 of 96 on the 24th.",
          "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 26764 s"
        },
        {
          "step": "ruling",
          "text": "Jitāṣṭamī, Mosul, 2073: Sunday 24 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": "2073-09-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-09-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Jitāṣṭamī (Jitiya) 2073 falls on Sunday 24 September. Aṣṭamī runs from 03:04 on Sun 24 Sep to 03:51 on Mon 25 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/mahalakshmi-vrata-samapana",
      "festival": "mahalakshmi-vrata-samapana",
      "name": "Mahālakṣmī Vrata Samāpana",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-09-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16382,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2073-09-24T03:03:46+03:00",
          "utc": "2073-09-24T00:03:46Z",
          "ms": 3273437025821.197
        },
        "end": {
          "local": "2073-09-25T03:51:08+03:00",
          "utc": "2073-09-25T00:51:08Z",
          "ms": 3273526267777.8794
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-09-24T03:03:46+03:00",
          "utc": "2073-09-24T00:03:46Z",
          "ms": 3273437025821.197
        },
        "end": {
          "local": "2073-09-25T03:51:08+03:00",
          "utc": "2073-09-25T00:51:08Z",
          "ms": 3273526267777.8794
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2073-09-23",
          "window": {
            "start": {
              "local": "2073-09-23T22:29:55+03:00",
              "utc": "2073-09-23T19:29:55Z",
              "ms": 3273420594653.7197
            },
            "end": {
              "local": "2073-09-23T22:29:55+03:00",
              "utc": "2073-09-23T19:29:55Z",
              "ms": 3273420594653.7197
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2073-09-24",
          "window": {
            "start": {
              "local": "2073-09-24T23:18:06+03:00",
              "utc": "2073-09-24T20:18:06Z",
              "ms": 3273509885975.2896
            },
            "end": {
              "local": "2073-09-24T23:18:06+03:00",
              "utc": "2073-09-24T20:18:06Z",
              "ms": 3273509885975.2896
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 03:04 on Sun 24 Sep to 03:51 on Mon 25 Sep.",
          "fact": "2073-09-24T00:03:46Z → 2073-09-25T00:51:08Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 22:30 on the 23rd and 23:18 on the 24th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is not on the 23rd and is on the 24th.",
          "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 16382 s"
        },
        {
          "step": "ruling",
          "text": "Mahālakṣmī Vrata Samāpana, Mosul, 2073: Sunday 24 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": "2073-09-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-09-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Mahālakṣmī Vrata Samāpana 2073 falls on Sunday 24 September. Aṣṭamī runs from 03:04 on Sun 24 Sep to 03:51 on Mon 25 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/ekadashi?on=2073-09-27",
      "festival": "ekadashi",
      "name": "Indirā Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-09-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10281,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-09-27T03:08:49+03:00",
          "utc": "2073-09-27T00:08:49Z",
          "ms": 3273696529410.157
        },
        "end": {
          "local": "2073-09-28T01:36:24+03:00",
          "utc": "2073-09-27T22:36:24Z",
          "ms": 3273777383769.13
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-09-27T03:08:49+03:00",
          "utc": "2073-09-27T00:08:49Z",
          "ms": 3273696529410.157
        },
        "end": {
          "local": "2073-09-28T01:36:24+03:00",
          "utc": "2073-09-27T22:36:24Z",
          "ms": 3273777383769.13
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-09-27",
          "window": {
            "start": {
              "local": "2073-09-27T06:00:10+03:00",
              "utc": "2073-09-27T03:00:10Z",
              "ms": 3273706810436.661
            },
            "end": {
              "local": "2073-09-27T06:00:10+03:00",
              "utc": "2073-09-27T03:00:10Z",
              "ms": 3273706810436.661
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-09-28",
          "window": {
            "start": {
              "local": "2073-09-28T06:00:59+03:00",
              "utc": "2073-09-28T03:00:59Z",
              "ms": 3273793258905.2803
            },
            "end": {
              "local": "2073-09-28T06:00:59+03:00",
              "utc": "2073-09-28T03:00:59Z",
              "ms": 3273793258905.2803
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 03:09 on Wed 27 Sep to 01:36 on Thu 28 Sep.",
          "fact": "2073-09-27T00:08:49Z → 2073-09-27T22:36:24Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:00 on the 27th and 06:01 on the 28th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 27th and is not on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 10281 s"
        },
        {
          "step": "ruling",
          "text": "Indirā Ekādaśī, Mosul, 2073: Wednesday 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": "2073-09-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-09-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Indirā Ekādaśī 2073 falls on Wednesday 27 September. Ekādaśī runs from 03:09 on Wed 27 Sep to 01:36 on Thu 28 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-09-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/pradosha-vrata?on=2073-09-29",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-09-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3360,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-09-28T23:20:12+03:00",
          "utc": "2073-09-28T20:20:12Z",
          "ms": 3273855612426.024
        },
        "end": {
          "local": "2073-09-29T20:26:37+03:00",
          "utc": "2073-09-29T17:26:37Z",
          "ms": 3273931597244.243
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-09-28T23:20:12+03:00",
          "utc": "2073-09-28T20:20:12Z",
          "ms": 3273855612426.024
        },
        "end": {
          "local": "2073-09-29T20:26:37+03:00",
          "utc": "2073-09-29T17:26:37Z",
          "ms": 3273931597244.243
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-09-28",
          "window": {
            "start": {
              "local": "2073-09-28T17:54:52+03:00",
              "utc": "2073-09-28T14:54:52Z",
              "ms": 3273836091997.34
            },
            "end": {
              "local": "2073-09-28T19:31:47+03:00",
              "utc": "2073-09-28T16:31:47Z",
              "ms": 3273841907410.9243
            }
          },
          "covered_min": 0,
          "window_min": 97,
          "qualifies": false
        },
        {
          "local_date": "2073-09-29",
          "window": {
            "start": {
              "local": "2073-09-29T17:53:24+03:00",
              "utc": "2073-09-29T14:53:24Z",
              "ms": 3273922403641.1646
            },
            "end": {
              "local": "2073-09-29T19:30:37+03:00",
              "utc": "2073-09-29T16:30:37Z",
              "ms": 3273928237359.106
            }
          },
          "covered_min": 97,
          "window_min": 97,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 23:20 on Thu 28 Sep to 20:27 on Fri 29 Sep.",
          "fact": "2073-09-28T20:20:12Z → 2073-09-29T17:26:37Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:55–19:32 on the 28th, 17:53–19:31 on the 29th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 97 minutes on the 28th and 97 of 97 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 3360 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 2073: Friday 29 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-09-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-09-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 2073 falls on Friday 29 September. Trayodaśī runs from 23:20 on Thu 28 Sep to 20:27 on Fri 29 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/pradosha-vrata?on=2073-09-29",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/shivaratri?on=2073-09-29",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-09-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11243,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2073-09-29T20:26:37+03:00",
          "utc": "2073-09-29T17:26:37Z",
          "ms": 3273931597244.243
        },
        "end": {
          "local": "2073-09-30T17:04:04+03:00",
          "utc": "2073-09-30T14:04:04Z",
          "ms": 3274005843697.2773
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-09-29T20:26:37+03:00",
          "utc": "2073-09-29T17:26:37Z",
          "ms": 3273931597244.243
        },
        "end": {
          "local": "2073-09-30T17:04:04+03:00",
          "utc": "2073-09-30T14:04:04Z",
          "ms": 3274005843697.2773
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2073-09-29",
          "window": {
            "start": {
              "local": "2073-09-29T23:34:00+03:00",
              "utc": "2073-09-29T20:34:00Z",
              "ms": 3273942840083.4453
            },
            "end": {
              "local": "2073-09-30T00:22:00+03:00",
              "utc": "2073-09-29T21:22:00Z",
              "ms": 3273945720083.4453
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-09-30",
          "window": {
            "start": {
              "local": "2073-09-30T23:33:41+03:00",
              "utc": "2073-09-30T20:33:41Z",
              "ms": 3274029220645.506
            },
            "end": {
              "local": "2073-10-01T00:21:41+03:00",
              "utc": "2073-09-30T21:21:41Z",
              "ms": 3274032100645.506
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 20:27 on Fri 29 Sep to 17:04 on Sat 30 Sep.",
          "fact": "2073-09-29T17:26:37Z → 2073-09-30T14:04:04Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:34–00:22 on the 29th, 23:34–00:22 on the 30th.",
          "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 29th and 0 of 48 on the 30th.",
          "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 11243 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Mosul, 2073: Friday 29 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": "2073-09-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-09-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śivarātri 2073 falls on Friday 29 September. Caturdaśī runs from 20:27 on Fri 29 Sep to 17:04 on Sat 30 Sep and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mosul/festivals/2073/shivaratri?on=2073-09-29",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/mahalaya-amavasya",
      "festival": "mahalaya-amavasya",
      "name": "Mahālaya Amāvāsyā",
      "everyday": "Sarvapitṛ Amāvāsyā",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-10-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 883,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2073-09-30T17:04:04+03:00",
          "utc": "2073-09-30T14:04:04Z",
          "ms": 3274005843697.2773
        },
        "end": {
          "local": "2073-10-01T13:22:22+03:00",
          "utc": "2073-10-01T10:22:22Z",
          "ms": 3274078941883.66
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-09-30T17:04:04+03:00",
          "utc": "2073-09-30T14:04:04Z",
          "ms": 3274005843697.2773
        },
        "end": {
          "local": "2073-10-01T13:22:22+03:00",
          "utc": "2073-10-01T10:22:22Z",
          "ms": 3274078941883.66
        }
      },
      "kaala": "aparahna",
      "days": [
        {
          "local_date": "2073-09-30",
          "window": {
            "start": {
              "local": "2073-09-30T13:08:12+03:00",
              "utc": "2073-09-30T10:08:12Z",
              "ms": 3273991691970.4424
            },
            "end": {
              "local": "2073-09-30T15:30:04+03:00",
              "utc": "2073-09-30T12:30:04Z",
              "ms": 3274000203785.348
            }
          },
          "covered_min": 0,
          "window_min": 142,
          "qualifies": false
        },
        {
          "local_date": "2073-10-01",
          "window": {
            "start": {
              "local": "2073-10-01T13:07:39+03:00",
              "utc": "2073-10-01T10:07:39Z",
              "ms": 3274078059016.455
            },
            "end": {
              "local": "2073-10-01T15:29:03+03:00",
              "utc": "2073-10-01T12:29:03Z",
              "ms": 3274086543458.3545
            }
          },
          "covered_min": 15,
          "window_min": 141,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 17:04 on Sat 30 Sep to 13:22 on Sun 1 Oct.",
          "fact": "2073-09-30T14:04:04Z → 2073-10-01T10:22:22Z"
        },
        {
          "step": "kaala",
          "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:08–15:30 on the 30th, 13:08–15:29 on the 1st.",
          "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 142 minutes on the 30th and 15 of 141 on the 1st.",
          "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 883 s"
        },
        {
          "step": "ruling",
          "text": "Mahālaya Amāvāsyā, Mosul, 2073: Sunday 1 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mahalaya-amavasya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 30 Mahalaya amavasya (aparahnavyapini)"
          }
        ],
        "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.",
        "kaala": "aparahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-10-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-10-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Mahālaya Amāvāsyā 2073 falls on Sunday 1 October. Amāvasyā runs from 17:04 on Sat 30 Sep to 13:22 on Sun 1 Oct and covers 15 of 141 minutes of aparāhṇa that afternoon.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/navaratra-arambha",
      "festival": "navaratra-arambha",
      "name": "Navarātrārambha",
      "everyday": "Navratri",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-10-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3685,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2073-10-01T13:22:22+03:00",
          "utc": "2073-10-01T10:22:22Z",
          "ms": 3274078941883.66
        },
        "end": {
          "local": "2073-10-02T09:32:13+03:00",
          "utc": "2073-10-02T06:32:13Z",
          "ms": 3274151532638.9976
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-10-01T13:22:22+03:00",
          "utc": "2073-10-01T10:22:22Z",
          "ms": 3274078941883.66
        },
        "end": {
          "local": "2073-10-02T09:32:13+03:00",
          "utc": "2073-10-02T06:32:13Z",
          "ms": 3274151532638.9976
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-10-01",
          "window": {
            "start": {
              "local": "2073-10-01T11:32:57+03:00",
              "utc": "2073-10-01T08:32:57Z",
              "ms": 3274072376795.506
            },
            "end": {
              "local": "2073-10-01T12:20:57+03:00",
              "utc": "2073-10-01T09:20:57Z",
              "ms": 3274075256795.506
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-10-02",
          "window": {
            "start": {
              "local": "2073-10-02T11:32:38+03:00",
              "utc": "2073-10-02T08:32:38Z",
              "ms": 3274158757832.8755
            },
            "end": {
              "local": "2073-10-02T12:20:38+03:00",
              "utc": "2073-10-02T09:20:38Z",
              "ms": 3274161637832.8755
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 13:22 on Sun 1 Oct to 09:32 on Mon 2 Oct.",
          "fact": "2073-10-01T10:22:22Z → 2073-10-02T06:32:13Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 1st, 11:33–12:21 on the 2nd.",
          "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 1st and 0 of 48 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: paraviddha → second-day · margin 3685 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha, Mosul, 2073: Monday 2 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": "2073-10-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-10-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Navarātrārambha (Navratri) 2073 falls on Monday 2 October. Pratipadā runs from 13:22 on Sun 1 Oct to 09:32 on Mon 2 Oct, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/vinayaka-chaturthi?on=2073-10-04",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-10-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33685,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-10-04T02:10:36+03:00",
          "utc": "2073-10-03T23:10:36Z",
          "ms": 3274297835887.0947
        },
        "end": {
          "local": "2073-10-04T23:00:27+03:00",
          "utc": "2073-10-04T20:00:27Z",
          "ms": 3274372826797.001
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-10-04T02:10:36+03:00",
          "utc": "2073-10-03T23:10:36Z",
          "ms": 3274297835887.0947
        },
        "end": {
          "local": "2073-10-04T23:00:27+03:00",
          "utc": "2073-10-04T20:00:27Z",
          "ms": 3274372826797.001
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-10-04",
          "window": {
            "start": {
              "local": "2073-10-04T11:32:01+03:00",
              "utc": "2073-10-04T08:32:01Z",
              "ms": 3274331520882.291
            },
            "end": {
              "local": "2073-10-04T12:20:01+03:00",
              "utc": "2073-10-04T09:20:01Z",
              "ms": 3274334400882.291
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-10-05",
          "window": {
            "start": {
              "local": "2073-10-05T11:31:43+03:00",
              "utc": "2073-10-05T08:31:43Z",
              "ms": 3274417902925.67
            },
            "end": {
              "local": "2073-10-05T12:19:43+03:00",
              "utc": "2073-10-05T09:19:43Z",
              "ms": 3274420782925.67
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 02:11 on Wed 4 Oct to 23:00 on Wed 4 Oct.",
          "fact": "2073-10-03T23:10:36Z → 2073-10-04T20:00:27Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 4th, 11:32–12:20 on the 5th.",
          "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 4th and 0 of 48 on the 5th.",
          "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 33685 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Mosul, 2073: Wednesday 4 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": "2073-10-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-10-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Vināyaka Caturthī 2073 falls on Wednesday 4 October. Caturthī runs from 02:11 on Wed 4 Oct to 23:00 on Wed 4 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/vinayaka-chaturthi?on=2073-10-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/durga-saptami",
      "festival": "durga-saptami",
      "name": "Durgā Saptamī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-10-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37248,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2073-10-06T18:26:47+03:00",
          "utc": "2073-10-06T15:26:47Z",
          "ms": 3274529207131.477
        },
        "end": {
          "local": "2073-10-07T17:15:27+03:00",
          "utc": "2073-10-07T14:15:27Z",
          "ms": 3274611327421.444
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-10-06T18:26:47+03:00",
          "utc": "2073-10-06T15:26:47Z",
          "ms": 3274529207131.477
        },
        "end": {
          "local": "2073-10-07T17:15:27+03:00",
          "utc": "2073-10-07T14:15:27Z",
          "ms": 3274611327421.444
        }
      },
      "kaala": "udaya-1",
      "days": [
        {
          "local_date": "2073-10-06",
          "window": {
            "start": {
              "local": "2073-10-06T06:07:35+03:00",
              "utc": "2073-10-06T03:07:35Z",
              "ms": 3274484855256.5635
            },
            "end": {
              "local": "2073-10-06T06:53:58+03:00",
              "utc": "2073-10-06T03:53:58Z",
              "ms": 3274487637933.986
            }
          },
          "covered_min": 0,
          "window_min": 46,
          "qualifies": false
        },
        {
          "local_date": "2073-10-07",
          "window": {
            "start": {
              "local": "2073-10-07T06:08:26+03:00",
              "utc": "2073-10-07T03:08:26Z",
              "ms": 3274571305951.749
            },
            "end": {
              "local": "2073-10-07T06:54:40+03:00",
              "utc": "2073-10-07T03:54:40Z",
              "ms": 3274574079576.193
            }
          },
          "covered_min": 46,
          "window_min": 46,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 18:27 on Fri 6 Oct to 17:15 on Sat 7 Oct.",
          "fact": "2073-10-06T15:26:47Z → 2073-10-07T14:15:27Z"
        },
        {
          "step": "kaala",
          "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:08–06:54 on the 6th, 06:08–06:55 on the 7th.",
          "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 0 of 46 minutes on the 6th and 46 of 46 on the 7th.",
          "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 37248 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Saptamī, Mosul, 2073: Saturday 7 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": "2073-10-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-10-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Durgā Saptamī 2073 falls on Saturday 7 October. Saptamī runs from 18:27 on Fri 6 Oct to 17:15 on Sat 7 Oct and covers all of the first muhūrta after sunrise that morning.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/mahashtami",
      "festival": "mahashtami",
      "name": "Mahāṣṭamī",
      "everyday": "Durga Ashtami",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-10-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16332,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2073-10-07T17:15:27+03:00",
          "utc": "2073-10-07T14:15:27Z",
          "ms": 3274611327421.444
        },
        "end": {
          "local": "2073-10-08T16:51:04+03:00",
          "utc": "2073-10-08T13:51:04Z",
          "ms": 3274696263810.04
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-10-07T17:15:27+03:00",
          "utc": "2073-10-07T14:15:27Z",
          "ms": 3274611327421.444
        },
        "end": {
          "local": "2073-10-08T16:51:04+03:00",
          "utc": "2073-10-08T13:51:04Z",
          "ms": 3274696263810.04
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-10-07",
          "window": {
            "start": {
              "local": "2073-10-07T11:31:08+03:00",
              "utc": "2073-10-07T08:31:08Z",
              "ms": 3274590668135.077
            },
            "end": {
              "local": "2073-10-07T12:19:08+03:00",
              "utc": "2073-10-07T09:19:08Z",
              "ms": 3274593548135.077
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-10-08",
          "window": {
            "start": {
              "local": "2073-10-08T11:30:51+03:00",
              "utc": "2073-10-08T08:30:51Z",
              "ms": 3274677051338.259
            },
            "end": {
              "local": "2073-10-08T12:18:51+03:00",
              "utc": "2073-10-08T09:18:51Z",
              "ms": 3274679931338.259
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 17:15 on Sat 7 Oct to 16:51 on Sun 8 Oct.",
          "fact": "2073-10-07T14:15:27Z → 2073-10-08T13:51:04Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 7th, 11:31–12:19 on the 8th.",
          "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 7th and 48 of 48 on the 8th.",
          "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 16332 s"
        },
        {
          "step": "ruling",
          "text": "Mahāṣṭamī, Mosul, 2073: Sunday 8 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": "2073-10-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-10-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Mahāṣṭamī (Durga Ashtami) 2073 falls on Sunday 8 October. Aṣṭamī runs from 17:15 on Sat 7 Oct to 16:51 on Sun 8 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/mahanavami",
      "festival": "mahanavami",
      "name": "Mahānavamī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-10-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16332,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2073-10-08T16:51:04+03:00",
          "utc": "2073-10-08T13:51:04Z",
          "ms": 3274696263810.04
        },
        "end": {
          "local": "2073-10-09T17:11:51+03:00",
          "utc": "2073-10-09T14:11:51Z",
          "ms": 3274783910753.2847
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-10-08T16:51:04+03:00",
          "utc": "2073-10-08T13:51:04Z",
          "ms": 3274696263810.04
        },
        "end": {
          "local": "2073-10-09T17:11:51+03:00",
          "utc": "2073-10-09T14:11:51Z",
          "ms": 3274783910753.2847
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-10-08",
          "window": {
            "start": {
              "local": "2073-10-08T11:30:51+03:00",
              "utc": "2073-10-08T08:30:51Z",
              "ms": 3274677051338.259
            },
            "end": {
              "local": "2073-10-08T12:18:51+03:00",
              "utc": "2073-10-08T09:18:51Z",
              "ms": 3274679931338.259
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-10-09",
          "window": {
            "start": {
              "local": "2073-10-09T11:30:35+03:00",
              "utc": "2073-10-09T08:30:35Z",
              "ms": 3274763434966.6006
            },
            "end": {
              "local": "2073-10-09T12:18:35+03:00",
              "utc": "2073-10-09T09:18:35Z",
              "ms": 3274766314966.6006
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 16:51 on Sun 8 Oct to 17:12 on Mon 9 Oct.",
          "fact": "2073-10-08T13:51:04Z → 2073-10-09T14:11:51Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 8th, 11:31–12:19 on the 9th.",
          "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 8th and 48 of 48 on the 9th.",
          "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 16332 s"
        },
        {
          "step": "ruling",
          "text": "Mahānavamī, Mosul, 2073: Monday 9 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": "2073-10-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-10-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Mahānavamī 2073 falls on Monday 9 October. Navamī runs from 16:51 on Sun 8 Oct to 17:12 on Mon 9 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/vijaya-dashami",
      "festival": "vijaya-dashami",
      "name": "Vijayā Daśamī",
      "everyday": "Dussehra",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-10-10",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1631,
      "anga": {
        "type": "tithi",
        "index": 9,
        "key": "dashami",
        "name": "Daśamī",
        "start": {
          "local": "2073-10-09T17:11:51+03:00",
          "utc": "2073-10-09T14:11:51Z",
          "ms": 3274783910753.2847
        },
        "end": {
          "local": "2073-10-10T18:12:53+03:00",
          "utc": "2073-10-10T15:12:53Z",
          "ms": 3274873973434.36
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "conjunction",
        "start": {
          "local": "2073-10-09T17:11:51+03:00",
          "utc": "2073-10-09T14:11:51Z",
          "ms": 3274783910753.2847
        },
        "end": {
          "local": "2073-10-10T18:12:53+03:00",
          "utc": "2073-10-10T15:12:53Z",
          "ms": 3274873973434.36
        },
        "nakshatra": {
          "type": "nakshatra",
          "index": 21,
          "key": "shravana",
          "name": "Śravaṇa",
          "start": {
            "local": "2073-10-09T17:08:41+03:00",
            "utc": "2073-10-09T14:08:41Z",
            "ms": 3274783720741.2905
          },
          "end": {
            "local": "2073-10-10T18:45:02+03:00",
            "utc": "2073-10-10T15:45:02Z",
            "ms": 3274875901916.0967
          }
        }
      },
      "kaala": "daytime",
      "days": [
        {
          "local_date": "2073-10-09",
          "window": {
            "start": {
              "local": "2073-10-09T06:10:08+03:00",
              "utc": "2073-10-09T03:10:08Z",
              "ms": 3274744208175.78
            },
            "end": {
              "local": "2073-10-09T17:39:02+03:00",
              "utc": "2073-10-09T14:39:02Z",
              "ms": 3274785541757.421
            }
          },
          "covered_min": 27,
          "window_min": 689,
          "qualifies": true
        },
        {
          "local_date": "2073-10-10",
          "window": {
            "start": {
              "local": "2073-10-10T06:11:00+03:00",
              "utc": "2073-10-10T03:11:00Z",
              "ms": 3274830659721.226
            },
            "end": {
              "local": "2073-10-10T17:37:38+03:00",
              "utc": "2073-10-10T14:37:38Z",
              "ms": 3274871858359.772
            }
          },
          "covered_min": 687,
          "window_min": 687,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Daśamī runs from 17:12 on Mon 9 Oct to 18:13 on Tue 10 Oct, and Śravaṇa from 17:09 on Mon 9 Oct to 18:45 on Tue 10 Oct. They are together from 17:12 on Mon 9 Oct to 18:13 on Tue 10 Oct.",
          "fact": "2073-10-09T14:11:51Z → 2073-10-10T15:12:53Z"
        },
        {
          "step": "kaala",
          "text": "The day time is sunrise to sunset: 06:10–17:39 on the 9th, 06:11–17:38 on the 10th.",
          "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 27 of 689 minutes on the 9th and 687 of 687 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Both days qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 1631 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Daśamī, Mosul, 2073: Tuesday 10 October.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "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": "2073-10-10",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-10-10",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mosul, Vijayā Daśamī (Dussehra) 2073 falls on Tuesday 10 October. Daśamī runs from 17:12 on Mon 9 Oct to 18:13 on Tue 10 Oct and is with Śravaṇa in the day time that day, for 687 minutes. They are together in the day time on the previous day too, for 27 minutes; the rule does not say which to take, and the day they share longer is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/ekadashi?on=2073-10-11",
      "festival": "ekadashi",
      "name": "Pāśāṅkuśā Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-10-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37545,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-10-10T18:12:53+03:00",
          "utc": "2073-10-10T15:12:53Z",
          "ms": 3274873973434.36
        },
        "end": {
          "local": "2073-10-11T19:46:59+03:00",
          "utc": "2073-10-11T16:46:59Z",
          "ms": 3274966018594.82
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-10-10T18:12:53+03:00",
          "utc": "2073-10-10T15:12:53Z",
          "ms": 3274873973434.36
        },
        "end": {
          "local": "2073-10-11T19:46:59+03:00",
          "utc": "2073-10-11T16:46:59Z",
          "ms": 3274966018594.82
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-10-11",
          "window": {
            "start": {
              "local": "2073-10-11T06:11:52+03:00",
              "utc": "2073-10-11T03:11:52Z",
              "ms": 3274917111567.4746
            },
            "end": {
              "local": "2073-10-11T06:11:52+03:00",
              "utc": "2073-10-11T03:11:52Z",
              "ms": 3274917111567.4746
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-10-12",
          "window": {
            "start": {
              "local": "2073-10-12T06:12:44+03:00",
              "utc": "2073-10-12T03:12:44Z",
              "ms": 3275003563723.654
            },
            "end": {
              "local": "2073-10-12T06:12:44+03:00",
              "utc": "2073-10-12T03:12:44Z",
              "ms": 3275003563723.654
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 18:13 on Tue 10 Oct to 19:47 on Wed 11 Oct.",
          "fact": "2073-10-10T15:12:53Z → 2073-10-11T16:46:59Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:12 on the 11th and 06:13 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 37545 s"
        },
        {
          "step": "ruling",
          "text": "Pāśāṅkuśā Ekādaśī, Mosul, 2073: Wednesday 11 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": "2073-10-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-10-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Pāśāṅkuśā Ekādaśī 2073 falls on Wednesday 11 October. Ekādaśī runs from 18:13 on Tue 10 Oct to 19:47 on Wed 11 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-10-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/pradosha-vrata?on=2073-10-13",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-10-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8986,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-10-12T21:45:49+03:00",
          "utc": "2073-10-12T18:45:49Z",
          "ms": 3275059548772.1846
        },
        "end": {
          "local": "2073-10-14T00:01:17+03:00",
          "utc": "2073-10-13T21:01:17Z",
          "ms": 3275154077469.3115
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-10-12T21:45:49+03:00",
          "utc": "2073-10-12T18:45:49Z",
          "ms": 3275059548772.1846
        },
        "end": {
          "local": "2073-10-14T00:01:17+03:00",
          "utc": "2073-10-13T21:01:17Z",
          "ms": 3275154077469.3115
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-10-12",
          "window": {
            "start": {
              "local": "2073-10-12T17:34:53+03:00",
              "utc": "2073-10-12T14:34:53Z",
              "ms": 3275044493493.0044
            },
            "end": {
              "local": "2073-10-12T19:16:03+03:00",
              "utc": "2073-10-12T16:16:03Z",
              "ms": 3275050563187.118
            }
          },
          "covered_min": 0,
          "window_min": 101,
          "qualifies": false
        },
        {
          "local_date": "2073-10-13",
          "window": {
            "start": {
              "local": "2073-10-13T17:33:32+03:00",
              "utc": "2073-10-13T14:33:32Z",
              "ms": 3275130812089.9346
            },
            "end": {
              "local": "2073-10-13T19:15:00+03:00",
              "utc": "2073-10-13T16:15:00Z",
              "ms": 3275136899678.207
            }
          },
          "covered_min": 101,
          "window_min": 101,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 21:46 on Thu 12 Oct to 00:01 on Sat 14 Oct.",
          "fact": "2073-10-12T18:45:49Z → 2073-10-13T21:01:17Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:35–19:16 on the 12th, 17:34–19:15 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 101 minutes on the 12th and 101 of 101 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 8986 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Mosul, 2073: Friday 13 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": "2073-10-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-10-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śukla Pradoṣa Vrata 2073 falls on Friday 13 October. Trayodaśī runs from 21:46 on Thu 12 Oct to 00:01 on Sat 14 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/pradosha-vrata?on=2073-10-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/karaka-chaturthi",
      "festival": "karaka-chaturthi",
      "name": "Karaka Caturthī",
      "everyday": "Karwa Chauth",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-10-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23137,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-10-19T12:01:32+03:00",
          "utc": "2073-10-19T09:01:32Z",
          "ms": 3275629291919.1284
        },
        "end": {
          "local": "2073-10-20T14:01:00+03:00",
          "utc": "2073-10-20T11:01:00Z",
          "ms": 3275722860169.7524
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-10-19T12:01:32+03:00",
          "utc": "2073-10-19T09:01:32Z",
          "ms": 3275629291919.1284
        },
        "end": {
          "local": "2073-10-20T14:01:00+03:00",
          "utc": "2073-10-20T11:01:00Z",
          "ms": 3275722860169.7524
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2073-10-19",
          "window": {
            "start": {
              "local": "2073-10-19T19:45:43+03:00",
              "utc": "2073-10-19T16:45:43Z",
              "ms": 3275657142712.2036
            },
            "end": {
              "local": "2073-10-19T19:45:43+03:00",
              "utc": "2073-10-19T16:45:43Z",
              "ms": 3275657142712.2036
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-10-20",
          "window": {
            "start": {
              "local": "2073-10-20T20:26:38+03:00",
              "utc": "2073-10-20T17:26:38Z",
              "ms": 3275745997594.5815
            },
            "end": {
              "local": "2073-10-20T20:26:38+03:00",
              "utc": "2073-10-20T17:26:38Z",
              "ms": 3275745997594.5815
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 12:02 on Thu 19 Oct to 14:01 on Fri 20 Oct.",
          "fact": "2073-10-19T09:01:32Z → 2073-10-20T11:01:00Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:46 on the 19th and 20:27 on the 20th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 19th and is not on the 20th.",
          "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 23137 s"
        },
        {
          "step": "ruling",
          "text": "Karaka Caturthī, Mosul, 2073: Thursday 19 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "karaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)"
          }
        ],
        "kaala": "moonrise",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-10-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-10-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Karaka Caturthī (Karwa Chauth) 2073 falls on Thursday 19 October. Caturthī runs from 12:02 on Thu 19 Oct to 14:01 on Fri 20 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/sankashta-chaturthi?on=2073-10-19",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-10-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23137,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-10-19T12:01:32+03:00",
          "utc": "2073-10-19T09:01:32Z",
          "ms": 3275629291919.1284
        },
        "end": {
          "local": "2073-10-20T14:01:00+03:00",
          "utc": "2073-10-20T11:01:00Z",
          "ms": 3275722860169.7524
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-10-19T12:01:32+03:00",
          "utc": "2073-10-19T09:01:32Z",
          "ms": 3275629291919.1284
        },
        "end": {
          "local": "2073-10-20T14:01:00+03:00",
          "utc": "2073-10-20T11:01:00Z",
          "ms": 3275722860169.7524
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2073-10-19",
          "window": {
            "start": {
              "local": "2073-10-19T19:45:43+03:00",
              "utc": "2073-10-19T16:45:43Z",
              "ms": 3275657142712.2036
            },
            "end": {
              "local": "2073-10-19T19:45:43+03:00",
              "utc": "2073-10-19T16:45:43Z",
              "ms": 3275657142712.2036
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-10-20",
          "window": {
            "start": {
              "local": "2073-10-20T20:26:38+03:00",
              "utc": "2073-10-20T17:26:38Z",
              "ms": 3275745997594.5815
            },
            "end": {
              "local": "2073-10-20T20:26:38+03:00",
              "utc": "2073-10-20T17:26:38Z",
              "ms": 3275745997594.5815
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 12:02 on Thu 19 Oct to 14:01 on Fri 20 Oct.",
          "fact": "2073-10-19T09:01:32Z → 2073-10-20T11:01:00Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:46 on the 19th and 20:27 on the 20th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 19th and is not on the 20th.",
          "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 23137 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mosul, 2073: Thursday 19 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": "2073-10-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-10-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Saṅkaṣṭa Caturthī 2073 falls on Thursday 19 October. Caturthī runs from 12:02 on Thu 19 Oct to 14:01 on Fri 20 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/sankashta-chaturthi?on=2073-10-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/ahoyi-ashtami",
      "festival": "ahoyi-ashtami",
      "name": "Ahoyī Aṣṭamī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-10-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20189,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2073-10-23T17:22:05+03:00",
          "utc": "2073-10-23T14:22:05Z",
          "ms": 3275994124666.4717
        },
        "end": {
          "local": "2073-10-24T17:13:54+03:00",
          "utc": "2073-10-24T14:13:54Z",
          "ms": 3276080034300.927
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-10-23T17:22:05+03:00",
          "utc": "2073-10-23T14:22:05Z",
          "ms": 3275994124666.4717
        },
        "end": {
          "local": "2073-10-24T17:13:54+03:00",
          "utc": "2073-10-24T14:13:54Z",
          "ms": 3276080034300.927
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2073-10-23",
          "window": {
            "start": {
              "local": "2073-10-23T22:58:34+03:00",
              "utc": "2073-10-23T19:58:34Z",
              "ms": 3276014313953.8
            },
            "end": {
              "local": "2073-10-23T22:58:34+03:00",
              "utc": "2073-10-23T19:58:34Z",
              "ms": 3276014313953.8
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-10-24",
          "window": {
            "start": {
              "local": "2073-10-24T23:58:40+03:00",
              "utc": "2073-10-24T20:58:40Z",
              "ms": 3276104320387.5645
            },
            "end": {
              "local": "2073-10-24T23:58:40+03:00",
              "utc": "2073-10-24T20:58:40Z",
              "ms": 3276104320387.5645
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 17:22 on Mon 23 Oct to 17:14 on Tue 24 Oct.",
          "fact": "2073-10-23T14:22:05Z → 2073-10-24T14:13:54Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 22:59 on the 23rd and 23:59 on the 24th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is on the 23rd and is not on the 24th.",
          "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 20189 s"
        },
        {
          "step": "ruling",
          "text": "Ahoyī Aṣṭamī, Mosul, 2073: Monday 23 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ahoyi-ashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day."
          }
        ],
        "kaala": "moonrise",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-10-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-10-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Ahoyī Aṣṭamī 2073 falls on Monday 23 October. Aṣṭamī runs from 17:22 on Mon 23 Oct to 17:14 on Tue 24 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/ekadashi?on=2073-10-27",
      "festival": "ekadashi",
      "name": "Ramā Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-10-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21217,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-10-26T14:41:40+03:00",
          "utc": "2073-10-26T11:41:40Z",
          "ms": 3276243700339.854
        },
        "end": {
          "local": "2073-10-27T12:20:05+03:00",
          "utc": "2073-10-27T09:20:05Z",
          "ms": 3276321604908.3716
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-10-26T14:41:40+03:00",
          "utc": "2073-10-26T11:41:40Z",
          "ms": 3276243700339.854
        },
        "end": {
          "local": "2073-10-27T12:20:05+03:00",
          "utc": "2073-10-27T09:20:05Z",
          "ms": 3276321604908.3716
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-10-26",
          "window": {
            "start": {
              "local": "2073-10-26T06:25:31+03:00",
              "utc": "2073-10-26T03:25:31Z",
              "ms": 3276213930509.9185
            },
            "end": {
              "local": "2073-10-26T06:25:31+03:00",
              "utc": "2073-10-26T03:25:31Z",
              "ms": 3276213930509.9185
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2073-10-27",
          "window": {
            "start": {
              "local": "2073-10-27T06:26:28+03:00",
              "utc": "2073-10-27T03:26:28Z",
              "ms": 3276300388018.288
            },
            "end": {
              "local": "2073-10-27T06:26:28+03:00",
              "utc": "2073-10-27T03:26:28Z",
              "ms": 3276300388018.288
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 14:42 on Thu 26 Oct to 12:20 on Fri 27 Oct.",
          "fact": "2073-10-26T11:41:40Z → 2073-10-27T09:20:05Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:26 on the 26th and 06:26 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 21217 s"
        },
        {
          "step": "ruling",
          "text": "Ramā Ekādaśī, Mosul, 2073: Friday 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": "2073-10-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-10-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Ramā Ekādaśī 2073 falls on Friday 27 October. Ekādaśī runs from 14:42 on Thu 26 Oct to 12:20 on Fri 27 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-10-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/govatsa-dvadashi",
      "festival": "govatsa-dvadashi",
      "name": "Govatsa Dvādaśī",
      "everyday": "Vasu Baras",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-10-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17760,
      "anga": {
        "type": "tithi",
        "index": 26,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2073-10-27T12:20:05+03:00",
          "utc": "2073-10-27T09:20:05Z",
          "ms": 3276321604908.3716
        },
        "end": {
          "local": "2073-10-28T09:21:34+03:00",
          "utc": "2073-10-28T06:21:34Z",
          "ms": 3276397293825.482
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-10-27T12:20:05+03:00",
          "utc": "2073-10-27T09:20:05Z",
          "ms": 3276321604908.3716
        },
        "end": {
          "local": "2073-10-28T09:21:34+03:00",
          "utc": "2073-10-28T06:21:34Z",
          "ms": 3276397293825.482
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-10-27",
          "window": {
            "start": {
              "local": "2073-10-27T17:16:05+03:00",
              "utc": "2073-10-27T14:16:05Z",
              "ms": 3276339364554.7134
            },
            "end": {
              "local": "2073-10-27T19:01:35+03:00",
              "utc": "2073-10-27T16:01:35Z",
              "ms": 3276345695397.272
            }
          },
          "covered_min": 106,
          "window_min": 106,
          "qualifies": true
        },
        {
          "local_date": "2073-10-28",
          "window": {
            "start": {
              "local": "2073-10-28T17:14:58+03:00",
              "utc": "2073-10-28T14:14:58Z",
              "ms": 3276425697645.36
            },
            "end": {
              "local": "2073-10-28T19:00:45+03:00",
              "utc": "2073-10-28T16:00:45Z",
              "ms": 3276432045167.915
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 12:20 on Fri 27 Oct to 09:22 on Sat 28 Oct.",
          "fact": "2073-10-27T09:20:05Z → 2073-10-28T06:21:34Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:16–19:02 on the 27th, 17:15–19:01 on the 28th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī 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. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 17760 s"
        },
        {
          "step": "ruling",
          "text": "Govatsa Dvādaśī, Mosul, 2073: Friday 27 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "govatsa-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day."
          }
        ],
        "kaala": "pradosha",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-10-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-10-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Govatsa Dvādaśī (Vasu Baras) 2073 falls on Friday 27 October. Dvādaśī runs from 12:20 on Fri 27 Oct to 09:22 on Sat 28 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/yama-dipadana",
      "festival": "yama-dipadana",
      "name": "Yama Dīpadāna",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-10-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28404,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-10-28T09:21:34+03:00",
          "utc": "2073-10-28T06:21:34Z",
          "ms": 3276397293825.482
        },
        "end": {
          "local": "2073-10-29T05:54:16+03:00",
          "utc": "2073-10-29T02:54:16Z",
          "ms": 3276471255746.3833
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-10-28T09:21:34+03:00",
          "utc": "2073-10-28T06:21:34Z",
          "ms": 3276397293825.482
        },
        "end": {
          "local": "2073-10-29T05:54:16+03:00",
          "utc": "2073-10-29T02:54:16Z",
          "ms": 3276471255746.3833
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-10-28",
          "window": {
            "start": {
              "local": "2073-10-28T17:14:58+03:00",
              "utc": "2073-10-28T14:14:58Z",
              "ms": 3276425697645.36
            },
            "end": {
              "local": "2073-10-28T19:00:45+03:00",
              "utc": "2073-10-28T16:00:45Z",
              "ms": 3276432045167.915
            }
          },
          "covered_min": 106,
          "window_min": 106,
          "qualifies": true
        },
        {
          "local_date": "2073-10-29",
          "window": {
            "start": {
              "local": "2073-10-29T17:13:52+03:00",
              "utc": "2073-10-29T14:13:52Z",
              "ms": 3276512031960.771
            },
            "end": {
              "local": "2073-10-29T18:59:56+03:00",
              "utc": "2073-10-29T15:59:56Z",
              "ms": 3276518396042.7275
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 09:22 on Sat 28 Oct to 05:54 on Sun 29 Oct.",
          "fact": "2073-10-28T06:21:34Z → 2073-10-29T02:54:16Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:15–19:01 on the 28th, 17:14–19:00 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 106 of 106 minutes on the 28th and 0 of 106 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 28404 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dīpadāna, Mosul, 2073: Saturday 28 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "yama-dipadana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 13 Yama dipadana (pradosa)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-10-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-10-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Yama Dīpadāna 2073 falls on Saturday 28 October. Trayodaśī runs from 09:22 on Sat 28 Oct to 05:54 on Sun 29 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/pradosha-vrata?on=2073-10-28",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-10-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28404,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-10-28T09:21:34+03:00",
          "utc": "2073-10-28T06:21:34Z",
          "ms": 3276397293825.482
        },
        "end": {
          "local": "2073-10-29T05:54:16+03:00",
          "utc": "2073-10-29T02:54:16Z",
          "ms": 3276471255746.3833
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-10-28T09:21:34+03:00",
          "utc": "2073-10-28T06:21:34Z",
          "ms": 3276397293825.482
        },
        "end": {
          "local": "2073-10-29T05:54:16+03:00",
          "utc": "2073-10-29T02:54:16Z",
          "ms": 3276471255746.3833
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-10-28",
          "window": {
            "start": {
              "local": "2073-10-28T17:14:58+03:00",
              "utc": "2073-10-28T14:14:58Z",
              "ms": 3276425697645.36
            },
            "end": {
              "local": "2073-10-28T19:00:45+03:00",
              "utc": "2073-10-28T16:00:45Z",
              "ms": 3276432045167.915
            }
          },
          "covered_min": 106,
          "window_min": 106,
          "qualifies": true
        },
        {
          "local_date": "2073-10-29",
          "window": {
            "start": {
              "local": "2073-10-29T17:13:52+03:00",
              "utc": "2073-10-29T14:13:52Z",
              "ms": 3276512031960.771
            },
            "end": {
              "local": "2073-10-29T18:59:56+03:00",
              "utc": "2073-10-29T15:59:56Z",
              "ms": 3276518396042.7275
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 09:22 on Sat 28 Oct to 05:54 on Sun 29 Oct.",
          "fact": "2073-10-28T06:21:34Z → 2073-10-29T02:54:16Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:15–19:01 on the 28th, 17:14–19:00 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 106 of 106 minutes on the 28th and 0 of 106 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 28404 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 2073: Saturday 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": "2073-10-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-10-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 2073 falls on Saturday 28 October. Trayodaśī runs from 09:22 on Sat 28 Oct to 05:54 on Sun 29 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/pradosha-vrata?on=2073-10-28",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/naraka-chaturdashi",
      "festival": "naraka-chaturdashi",
      "name": "Naraka Caturdaśī",
      "everyday": "Choti Diwali",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-10-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2048,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2073-10-29T05:54:16+03:00",
          "utc": "2073-10-29T02:54:16Z",
          "ms": 3276471255746.3833
        },
        "end": {
          "local": "2073-10-30T02:08:04+03:00",
          "utc": "2073-10-29T23:08:04Z",
          "ms": 3276544083602.799
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-10-29T05:54:16+03:00",
          "utc": "2073-10-29T02:54:16Z",
          "ms": 3276471255746.3833
        },
        "end": {
          "local": "2073-10-30T02:08:04+03:00",
          "utc": "2073-10-29T23:08:04Z",
          "ms": 3276544083602.799
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2073-10-29",
          "window": {
            "start": {
              "local": "2073-10-29T04:42:37+03:00",
              "utc": "2073-10-29T01:42:37Z",
              "ms": 3276466956541.97
            },
            "end": {
              "local": "2073-10-29T06:28:24+03:00",
              "utc": "2073-10-29T03:28:24Z",
              "ms": 3276473304064.5254
            }
          },
          "covered_min": 34,
          "window_min": 106,
          "qualifies": true
        },
        {
          "local_date": "2073-10-30",
          "window": {
            "start": {
              "local": "2073-10-30T04:43:18+03:00",
              "utc": "2073-10-30T01:43:18Z",
              "ms": 3276553398493.4897
            },
            "end": {
              "local": "2073-10-30T06:29:23+03:00",
              "utc": "2073-10-30T03:29:23Z",
              "ms": 3276559762575.4463
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 05:54 on Sun 29 Oct to 02:08 on Mon 30 Oct.",
          "fact": "2073-10-29T02:54:16Z → 2073-10-29T23:08:04Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:43–06:28 on the 29th, 04:43–06:29 on the 30th.",
          "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 34 of 106 minutes on the 29th and 0 of 106 on the 30th.",
          "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 2048 s"
        },
        {
          "step": "ruling",
          "text": "Naraka Caturdaśī, Mosul, 2073: Sunday 29 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naraka-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)"
          }
        ],
        "kaala": "arunodaya",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-10-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-10-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Naraka Caturdaśī (Choti Diwali) 2073 falls on Sunday 29 October. Caturdaśī runs from 05:54 on Sun 29 Oct to 02:08 on Mon 30 Oct and covers 34 of 106 minutes of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/kali-puja",
      "festival": "kali-puja",
      "name": "Kālī Pūjā",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-10-29",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 4416,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2073-10-30T02:08:04+03:00",
          "utc": "2073-10-29T23:08:04Z",
          "ms": 3276544083602.799
        },
        "end": {
          "local": "2073-10-30T22:13:59+03:00",
          "utc": "2073-10-30T19:13:59Z",
          "ms": 3276616438742.5054
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-10-30T02:08:04+03:00",
          "utc": "2073-10-29T23:08:04Z",
          "ms": 3276544083602.799
        },
        "end": {
          "local": "2073-10-30T22:13:59+03:00",
          "utc": "2073-10-30T19:13:59Z",
          "ms": 3276616438742.5054
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2073-10-29",
          "window": {
            "start": {
              "local": "2073-10-29T23:27:37+03:00",
              "utc": "2073-10-29T20:27:37Z",
              "ms": 3276534457268.1084
            },
            "end": {
              "local": "2073-10-30T00:15:37+03:00",
              "utc": "2073-10-29T21:15:37Z",
              "ms": 3276537337268.1084
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-10-30",
          "window": {
            "start": {
              "local": "2073-10-30T23:27:34+03:00",
              "utc": "2073-10-30T20:27:34Z",
              "ms": 3276620854459.3447
            },
            "end": {
              "local": "2073-10-31T00:15:34+03:00",
              "utc": "2073-10-30T21:15:34Z",
              "ms": 3276623734459.3447
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 02:08 on Mon 30 Oct to 22:14 on Mon 30 Oct.",
          "fact": "2073-10-29T23:08:04Z → 2073-10-30T19:13:59Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:28–00:16 on the 29th, 23:28–00:16 on the 30th.",
          "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 29th and 0 of 48 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Neither night qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 4416 s"
        },
        {
          "step": "ruling",
          "text": "Kālī Pūjā, Mosul, 2073: Sunday 29 October.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "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": "2073-10-29",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-10-29",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mosul, Kālī Pūjā 2073 falls on Sunday 29 October. Amāvasyā runs from 02:08 on Mon 30 Oct to 22:14 on Mon 30 Oct, and reaches niśītha on neither day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/shivaratri?on=2073-10-29",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-10-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6746,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2073-10-29T05:54:16+03:00",
          "utc": "2073-10-29T02:54:16Z",
          "ms": 3276471255746.3833
        },
        "end": {
          "local": "2073-10-30T02:08:04+03:00",
          "utc": "2073-10-29T23:08:04Z",
          "ms": 3276544083602.799
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-10-29T05:54:16+03:00",
          "utc": "2073-10-29T02:54:16Z",
          "ms": 3276471255746.3833
        },
        "end": {
          "local": "2073-10-30T02:08:04+03:00",
          "utc": "2073-10-29T23:08:04Z",
          "ms": 3276544083602.799
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2073-10-28",
          "window": {
            "start": {
              "local": "2073-10-28T23:27:41+03:00",
              "utc": "2073-10-28T20:27:41Z",
              "ms": 3276448060854.9424
            },
            "end": {
              "local": "2073-10-29T00:15:41+03:00",
              "utc": "2073-10-28T21:15:41Z",
              "ms": 3276450940854.9424
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-10-29",
          "window": {
            "start": {
              "local": "2073-10-29T23:27:37+03:00",
              "utc": "2073-10-29T20:27:37Z",
              "ms": 3276534457268.1084
            },
            "end": {
              "local": "2073-10-30T00:15:37+03:00",
              "utc": "2073-10-29T21:15:37Z",
              "ms": 3276537337268.1084
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 05:54 on Sun 29 Oct to 02:08 on Mon 30 Oct.",
          "fact": "2073-10-29T02:54:16Z → 2073-10-29T23:08:04Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:28–00:16 on the 28th, 23:28–00:16 on the 29th.",
          "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 28th and 48 of 48 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 6746 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Mosul, 2073: Sunday 29 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": "2073-10-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-10-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śivarātri 2073 falls on Sunday 29 October. Caturdaśī runs from 05:54 on Sun 29 Oct to 02:08 on Mon 30 Oct and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mosul/festivals/2073/shivaratri?on=2073-10-29",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/diwali-lakshmi-puja",
      "festival": "diwali-lakshmi-puja",
      "name": "Lakṣmī Pūjā",
      "everyday": "Diwali",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-10-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11691,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2073-10-30T02:08:04+03:00",
          "utc": "2073-10-29T23:08:04Z",
          "ms": 3276544083602.799
        },
        "end": {
          "local": "2073-10-30T22:13:59+03:00",
          "utc": "2073-10-30T19:13:59Z",
          "ms": 3276616438742.5054
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-10-30T02:08:04+03:00",
          "utc": "2073-10-29T23:08:04Z",
          "ms": 3276544083602.799
        },
        "end": {
          "local": "2073-10-30T22:13:59+03:00",
          "utc": "2073-10-30T19:13:59Z",
          "ms": 3276616438742.5054
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-10-29",
          "window": {
            "start": {
              "local": "2073-10-29T17:13:52+03:00",
              "utc": "2073-10-29T14:13:52Z",
              "ms": 3276512031960.771
            },
            "end": {
              "local": "2073-10-29T18:59:56+03:00",
              "utc": "2073-10-29T15:59:56Z",
              "ms": 3276518396042.7275
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        },
        {
          "local_date": "2073-10-30",
          "window": {
            "start": {
              "local": "2073-10-30T17:12:48+03:00",
              "utc": "2073-10-30T14:12:48Z",
              "ms": 3276598367529.0576
            },
            "end": {
              "local": "2073-10-30T18:59:08+03:00",
              "utc": "2073-10-30T15:59:08Z",
              "ms": 3276604748043.801
            }
          },
          "covered_min": 106,
          "window_min": 106,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 02:08 on Mon 30 Oct to 22:14 on Mon 30 Oct.",
          "fact": "2073-10-29T23:08:04Z → 2073-10-30T19:13:59Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:14–19:00 on the 29th, 17:13–18:59 on the 30th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during pradoṣa. It covers 0 of 106 minutes on the 29th and 106 of 106 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 11691 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pūjā, Mosul, 2073: Monday 30 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "diwali-lakshmi-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)"
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-10-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-10-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Lakṣmī Pūjā (Diwali) 2073 falls on Monday 30 October. Amāvasyā runs from 02:08 on Mon 30 Oct to 22:14 on Mon 30 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/govardhana-puja",
      "festival": "govardhana-puja",
      "name": "Govardhana Pūjā",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-10-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22116,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2073-10-30T22:13:59+03:00",
          "utc": "2073-10-30T19:13:59Z",
          "ms": 3276616438742.5054
        },
        "end": {
          "local": "2073-10-31T18:23:39+03:00",
          "utc": "2073-10-31T15:23:39Z",
          "ms": 3276689018957.2686
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-10-30T22:13:59+03:00",
          "utc": "2073-10-30T19:13:59Z",
          "ms": 3276616438742.5054
        },
        "end": {
          "local": "2073-10-31T18:23:39+03:00",
          "utc": "2073-10-31T15:23:39Z",
          "ms": 3276689018957.2686
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-10-30",
          "window": {
            "start": {
              "local": "2073-10-30T11:27:05+03:00",
              "utc": "2073-10-30T08:27:05Z",
              "ms": 3276577625052.252
            },
            "end": {
              "local": "2073-10-30T12:15:05+03:00",
              "utc": "2073-10-30T09:15:05Z",
              "ms": 3276580505052.252
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-10-31",
          "window": {
            "start": {
              "local": "2073-10-31T11:27:03+03:00",
              "utc": "2073-10-31T08:27:03Z",
              "ms": 3276664022883.646
            },
            "end": {
              "local": "2073-10-31T12:15:03+03:00",
              "utc": "2073-10-31T09:15:03Z",
              "ms": 3276666902883.646
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 22:14 on Mon 30 Oct to 18:24 on Tue 31 Oct.",
          "fact": "2073-10-30T19:13:59Z → 2073-10-31T15:23:39Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 30th, 11:27–12:15 on the 31st.",
          "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 30th and 48 of 48 on the 31st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 22116 s"
        },
        {
          "step": "ruling",
          "text": "Govardhana Pūjā, Mosul, 2073: Tuesday 31 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "govardhana-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-10-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-10-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Govardhana Pūjā 2073 falls on Tuesday 31 October. Pratipadā runs from 22:14 on Mon 30 Oct to 18:24 on Tue 31 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/bali-puja",
      "festival": "bali-puja",
      "name": "Bali Pūjā",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-10-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2082,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2073-10-30T22:13:59+03:00",
          "utc": "2073-10-30T19:13:59Z",
          "ms": 3276616438742.5054
        },
        "end": {
          "local": "2073-10-31T18:23:39+03:00",
          "utc": "2073-10-31T15:23:39Z",
          "ms": 3276689018957.2686
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-10-30T22:13:59+03:00",
          "utc": "2073-10-30T19:13:59Z",
          "ms": 3276616438742.5054
        },
        "end": {
          "local": "2073-10-31T18:23:39+03:00",
          "utc": "2073-10-31T15:23:39Z",
          "ms": 3276689018957.2686
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-10-30",
          "window": {
            "start": {
              "local": "2073-10-30T17:12:48+03:00",
              "utc": "2073-10-30T14:12:48Z",
              "ms": 3276598367529.0576
            },
            "end": {
              "local": "2073-10-30T18:59:08+03:00",
              "utc": "2073-10-30T15:59:08Z",
              "ms": 3276604748043.801
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        },
        {
          "local_date": "2073-10-31",
          "window": {
            "start": {
              "local": "2073-10-31T17:11:44+03:00",
              "utc": "2073-10-31T14:11:44Z",
              "ms": 3276684704377.6597
            },
            "end": {
              "local": "2073-10-31T18:58:21+03:00",
              "utc": "2073-10-31T15:58:21Z",
              "ms": 3276691101192.3853
            }
          },
          "covered_min": 72,
          "window_min": 107,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 22:14 on Mon 30 Oct to 18:24 on Tue 31 Oct.",
          "fact": "2073-10-30T19:13:59Z → 2073-10-31T15:23:39Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:13–18:59 on the 30th, 17:12–18:58 on the 31st.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during pradoṣa. It covers 0 of 106 minutes on the 30th and 72 of 107 on the 31st.",
          "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 2082 s"
        },
        {
          "step": "ruling",
          "text": "Bali Pūjā, Mosul, 2073: Tuesday 31 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bali-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-10-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-10-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Bali Pūjā 2073 falls on Tuesday 31 October. Pratipadā runs from 22:14 on Mon 30 Oct to 18:24 on Tue 31 Oct and covers 72 of 107 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/dyuta-pratipad",
      "festival": "dyuta-pratipad",
      "name": "Dyūta Pratipad",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-10-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29783,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2073-10-30T22:13:59+03:00",
          "utc": "2073-10-30T19:13:59Z",
          "ms": 3276616438742.5054
        },
        "end": {
          "local": "2073-10-31T18:23:39+03:00",
          "utc": "2073-10-31T15:23:39Z",
          "ms": 3276689018957.2686
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-10-30T22:13:59+03:00",
          "utc": "2073-10-30T19:13:59Z",
          "ms": 3276616438742.5054
        },
        "end": {
          "local": "2073-10-31T18:23:39+03:00",
          "utc": "2073-10-31T15:23:39Z",
          "ms": 3276689018957.2686
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2073-10-31",
          "window": {
            "start": {
              "local": "2073-10-31T06:30:21+03:00",
              "utc": "2073-10-31T03:30:21Z",
              "ms": 3276646221389.6323
            },
            "end": {
              "local": "2073-10-31T10:04:09+03:00",
              "utc": "2073-10-31T07:04:09Z",
              "ms": 3276659049052.308
            }
          },
          "covered_min": 214,
          "window_min": 214,
          "qualifies": true
        },
        {
          "local_date": "2073-11-01",
          "window": {
            "start": {
              "local": "2073-11-01T06:31:20+03:00",
              "utc": "2073-11-01T03:31:20Z",
              "ms": 3276732680488.1
            },
            "end": {
              "local": "2073-11-01T10:04:28+03:00",
              "utc": "2073-11-01T07:04:28Z",
              "ms": 3276745467836.7285
            }
          },
          "covered_min": 0,
          "window_min": 213,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 22:14 on Mon 30 Oct to 18:24 on Tue 31 Oct.",
          "fact": "2073-10-30T19:13:59Z → 2073-10-31T15:23:39Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:30–10:04 on the 31st, 06:31–10:04 on the 1st.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during pūrvāhṇa. It covers 214 of 214 minutes on the 31st and 0 of 213 on the 1st.",
          "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 29783 s"
        },
        {
          "step": "ruling",
          "text": "Dyūta Pratipad, Mosul, 2073: Tuesday 31 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "dyuta-pratipad",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)."
          }
        ],
        "kaala": "purvahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-10-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-10-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Dyūta Pratipad 2073 falls on Tuesday 31 October. Pratipadā runs from 22:14 on Mon 30 Oct to 18:24 on Tue 31 Oct and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/yama-dvitiya",
      "festival": "yama-dvitiya",
      "name": "Yama Dvitīyā",
      "everyday": "Bhai Dooj",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-11-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9227,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2073-10-31T18:23:39+03:00",
          "utc": "2073-10-31T15:23:39Z",
          "ms": 3276689018957.2686
        },
        "end": {
          "local": "2073-11-01T14:48:48+03:00",
          "utc": "2073-11-01T11:48:48Z",
          "ms": 3276762528281.1816
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-10-31T18:23:39+03:00",
          "utc": "2073-10-31T15:23:39Z",
          "ms": 3276689018957.2686
        },
        "end": {
          "local": "2073-11-01T14:48:48+03:00",
          "utc": "2073-11-01T11:48:48Z",
          "ms": 3276762528281.1816
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-10-31",
          "window": {
            "start": {
              "local": "2073-10-31T11:27:03+03:00",
              "utc": "2073-10-31T08:27:03Z",
              "ms": 3276664022883.646
            },
            "end": {
              "local": "2073-10-31T12:15:03+03:00",
              "utc": "2073-10-31T09:15:03Z",
              "ms": 3276666902883.646
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-11-01",
          "window": {
            "start": {
              "local": "2073-11-01T11:27:02+03:00",
              "utc": "2073-11-01T08:27:02Z",
              "ms": 3276750421511.0425
            },
            "end": {
              "local": "2073-11-01T12:15:02+03:00",
              "utc": "2073-11-01T09:15:02Z",
              "ms": 3276753301511.0425
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 18:24 on Tue 31 Oct to 14:49 on Wed 1 Nov.",
          "fact": "2073-10-31T15:23:39Z → 2073-11-01T11:48:48Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 31st, 11:27–12:15 on the 1st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.",
          "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 9227 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dvitīyā, Mosul, 2073: Wednesday 1 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": "2073-11-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-11-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Yama Dvitīyā (Bhai Dooj) 2073 falls on Wednesday 1 November. Dvitīyā runs from 18:24 on Tue 31 Oct to 14:49 on Wed 1 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/naga-chaturthi",
      "festival": "naga-chaturthi",
      "name": "Nāga Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-11-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 823,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-11-02T11:40:44+03:00",
          "utc": "2073-11-02T08:40:44Z",
          "ms": 3276837644278.8345
        },
        "end": {
          "local": "2073-11-03T09:09:38+03:00",
          "utc": "2073-11-03T06:09:38Z",
          "ms": 3276914978269.3813
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-11-02T11:40:44+03:00",
          "utc": "2073-11-02T08:40:44Z",
          "ms": 3276837644278.8345
        },
        "end": {
          "local": "2073-11-03T09:09:38+03:00",
          "utc": "2073-11-03T06:09:38Z",
          "ms": 3276914978269.3813
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-11-02",
          "window": {
            "start": {
              "local": "2073-11-02T11:27:01+03:00",
              "utc": "2073-11-02T08:27:01Z",
              "ms": 3276836820938.2466
            },
            "end": {
              "local": "2073-11-02T12:15:01+03:00",
              "utc": "2073-11-02T09:15:01Z",
              "ms": 3276839700938.2466
            }
          },
          "covered_min": 34,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-11-03",
          "window": {
            "start": {
              "local": "2073-11-03T11:27:01+03:00",
              "utc": "2073-11-03T08:27:01Z",
              "ms": 3276923221169.1484
            },
            "end": {
              "local": "2073-11-03T12:15:01+03:00",
              "utc": "2073-11-03T09:15:01Z",
              "ms": 3276926101169.1484
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:41 on Thu 2 Nov to 09:10 on Fri 3 Nov.",
          "fact": "2073-11-02T08:40:44Z → 2073-11-03T06:09:38Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 2nd, 11:27–12:15 on the 3rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 34 of 48 minutes on the 2nd and 0 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 823 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Caturthī, Mosul, 2073: Thursday 2 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": "2073-11-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-11-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Nāga Caturthī 2073 falls on Thursday 2 November. Caturthī runs from 11:41 on Thu 2 Nov to 09:10 on Fri 3 Nov and covers 34 of 48 minutes of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/vinayaka-chaturthi?on=2073-11-02",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-11-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 823,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-11-02T11:40:44+03:00",
          "utc": "2073-11-02T08:40:44Z",
          "ms": 3276837644278.8345
        },
        "end": {
          "local": "2073-11-03T09:09:38+03:00",
          "utc": "2073-11-03T06:09:38Z",
          "ms": 3276914978269.3813
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-11-02T11:40:44+03:00",
          "utc": "2073-11-02T08:40:44Z",
          "ms": 3276837644278.8345
        },
        "end": {
          "local": "2073-11-03T09:09:38+03:00",
          "utc": "2073-11-03T06:09:38Z",
          "ms": 3276914978269.3813
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-11-02",
          "window": {
            "start": {
              "local": "2073-11-02T11:27:01+03:00",
              "utc": "2073-11-02T08:27:01Z",
              "ms": 3276836820938.2466
            },
            "end": {
              "local": "2073-11-02T12:15:01+03:00",
              "utc": "2073-11-02T09:15:01Z",
              "ms": 3276839700938.2466
            }
          },
          "covered_min": 34,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-11-03",
          "window": {
            "start": {
              "local": "2073-11-03T11:27:01+03:00",
              "utc": "2073-11-03T08:27:01Z",
              "ms": 3276923221169.1484
            },
            "end": {
              "local": "2073-11-03T12:15:01+03:00",
              "utc": "2073-11-03T09:15:01Z",
              "ms": 3276926101169.1484
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:41 on Thu 2 Nov to 09:10 on Fri 3 Nov.",
          "fact": "2073-11-02T08:40:44Z → 2073-11-03T06:09:38Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 2nd, 11:27–12:15 on the 3rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 34 of 48 minutes on the 2nd and 0 of 48 on the 3rd.",
          "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 823 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Mosul, 2073: Thursday 2 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": "2073-11-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-11-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Vināyaka Caturthī 2073 falls on Thursday 2 November. Caturthī runs from 11:41 on Thu 2 Nov to 09:10 on Fri 3 Nov and covers 34 of 48 minutes of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/vinayaka-chaturthi?on=2073-11-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/surya-shashthi",
      "festival": "surya-shashthi",
      "name": "Sūrya Ṣaṣṭhī",
      "everyday": "Chhath",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-11-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14596,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2073-11-04T07:23:46+03:00",
          "utc": "2073-11-04T04:23:46Z",
          "ms": 3276995025948.2026
        },
        "end": {
          "local": "2073-11-05T06:28:31+03:00",
          "utc": "2073-11-05T03:28:31Z",
          "ms": 3277078110795.4326
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-11-04T07:23:46+03:00",
          "utc": "2073-11-04T04:23:46Z",
          "ms": 3276995025948.2026
        },
        "end": {
          "local": "2073-11-05T06:28:31+03:00",
          "utc": "2073-11-05T03:28:31Z",
          "ms": 3277078110795.4326
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-11-04",
          "window": {
            "start": {
              "local": "2073-11-04T11:27:02+03:00",
              "utc": "2073-11-04T08:27:02Z",
              "ms": 3277009622208.0137
            },
            "end": {
              "local": "2073-11-04T12:15:02+03:00",
              "utc": "2073-11-04T09:15:02Z",
              "ms": 3277012502208.0137
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-11-05",
          "window": {
            "start": {
              "local": "2073-11-05T11:27:04+03:00",
              "utc": "2073-11-05T08:27:04Z",
              "ms": 3277096024059.539
            },
            "end": {
              "local": "2073-11-05T12:15:04+03:00",
              "utc": "2073-11-05T09:15:04Z",
              "ms": 3277098904059.539
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 07:24 on Sat 4 Nov to 06:29 on Sun 5 Nov.",
          "fact": "2073-11-04T04:23:46Z → 2073-11-05T03:28:31Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 4th, 11:27–12:15 on the 5th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 14596 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī, Mosul, 2073: Saturday 4 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": "2073-11-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-11-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Sūrya Ṣaṣṭhī (Chhath) 2073 falls on Saturday 4 November. Ṣaṣṭhī runs from 07:24 on Sat 4 Nov to 06:29 on Sun 5 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/gopashtami",
      "festival": "gopashtami",
      "name": "Gopāṣṭamī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-11-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15307,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2073-11-06T06:25:30+03:00",
          "utc": "2073-11-06T03:25:30Z",
          "ms": 3277164330364.219
        },
        "end": {
          "local": "2073-11-07T07:12:03+03:00",
          "utc": "2073-11-07T04:12:03Z",
          "ms": 3277253523422.4307
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-11-06T06:25:30+03:00",
          "utc": "2073-11-06T03:25:30Z",
          "ms": 3277164330364.219
        },
        "end": {
          "local": "2073-11-07T07:12:03+03:00",
          "utc": "2073-11-07T04:12:03Z",
          "ms": 3277253523422.4307
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-11-06",
          "window": {
            "start": {
              "local": "2073-11-06T11:27:07+03:00",
              "utc": "2073-11-06T08:27:07Z",
              "ms": 3277182426728.729
            },
            "end": {
              "local": "2073-11-06T12:15:07+03:00",
              "utc": "2073-11-06T09:15:07Z",
              "ms": 3277185306728.729
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-11-07",
          "window": {
            "start": {
              "local": "2073-11-07T11:27:10+03:00",
              "utc": "2073-11-07T08:27:10Z",
              "ms": 3277268830220.6914
            },
            "end": {
              "local": "2073-11-07T12:15:10+03:00",
              "utc": "2073-11-07T09:15:10Z",
              "ms": 3277271710220.6914
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 06:26 on Mon 6 Nov to 07:12 on Tue 7 Nov.",
          "fact": "2073-11-06T03:25:30Z → 2073-11-07T04:12:03Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 6th, 11:27–12:15 on the 7th.",
          "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 6th and 0 of 48 on the 7th.",
          "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 15307 s"
        },
        {
          "step": "ruling",
          "text": "Gopāṣṭamī, Mosul, 2073: Monday 6 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": "2073-11-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-11-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Gopāṣṭamī 2073 falls on Monday 6 November. Aṣṭamī runs from 06:26 on Mon 6 Nov to 07:12 on Tue 7 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/akshaya-navami",
      "festival": "akshaya-navami",
      "name": "Akṣaya Navamī",
      "everyday": "Amla Navami",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-11-07",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 2084,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2073-11-07T07:12:03+03:00",
          "utc": "2073-11-07T04:12:03Z",
          "ms": 3277253523422.4307
        },
        "end": {
          "local": "2073-11-08T08:41:18+03:00",
          "utc": "2073-11-08T05:41:18Z",
          "ms": 3277345278092.1265
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-11-07T07:12:03+03:00",
          "utc": "2073-11-07T04:12:03Z",
          "ms": 3277253523422.4307
        },
        "end": {
          "local": "2073-11-08T08:41:18+03:00",
          "utc": "2073-11-08T05:41:18Z",
          "ms": 3277345278092.1265
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2073-11-07",
          "window": {
            "start": {
              "local": "2073-11-07T06:37:20+03:00",
              "utc": "2073-11-07T03:37:20Z",
              "ms": 3277251439876.93
            },
            "end": {
              "local": "2073-11-07T10:06:33+03:00",
              "utc": "2073-11-07T07:06:33Z",
              "ms": 3277263993439.438
            }
          },
          "covered_min": 175,
          "window_min": 209,
          "qualifies": true
        },
        {
          "local_date": "2073-11-08",
          "window": {
            "start": {
              "local": "2073-11-08T06:38:20+03:00",
              "utc": "2073-11-08T03:38:20Z",
              "ms": 3277337900375.8916
            },
            "end": {
              "local": "2073-11-08T10:06:56+03:00",
              "utc": "2073-11-08T07:06:56Z",
              "ms": 3277350416485.5757
            }
          },
          "covered_min": 123,
          "window_min": 209,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 07:12 on Tue 7 Nov to 08:41 on Wed 8 Nov.",
          "fact": "2073-11-07T04:12:03Z → 2073-11-08T05:41:18Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:37–10:07 on the 7th, 06:38–10:07 on the 8th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during pūrvāhṇa. It covers 175 of 209 minutes on the 7th and 123 of 209 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Both forenoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 2084 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Navamī, Mosul, 2073: Tuesday 7 November.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "akshaya-navami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata."
          }
        ],
        "kaala": "purvahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-11-07",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-11-07",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mosul, Akṣaya Navamī (Amla Navami) 2073 falls on Tuesday 7 November. Navamī runs from 07:12 on Tue 7 Nov to 08:41 on Wed 8 Nov and covers 175 of 209 minutes of pūrvāhṇa that forenoon. It also reaches the next forenoon for 123 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/mosul/festivals/2073/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": "/mosul/festivals/2073/durga-navami",
      "festival": "durga-navami",
      "name": "Durgā Navamī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-11-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9956,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2073-11-07T07:12:03+03:00",
          "utc": "2073-11-07T04:12:03Z",
          "ms": 3277253523422.4307
        },
        "end": {
          "local": "2073-11-08T08:41:18+03:00",
          "utc": "2073-11-08T05:41:18Z",
          "ms": 3277345278092.1265
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-11-07T07:12:03+03:00",
          "utc": "2073-11-07T04:12:03Z",
          "ms": 3277253523422.4307
        },
        "end": {
          "local": "2073-11-08T08:41:18+03:00",
          "utc": "2073-11-08T05:41:18Z",
          "ms": 3277345278092.1265
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-11-07",
          "window": {
            "start": {
              "local": "2073-11-07T11:27:10+03:00",
              "utc": "2073-11-07T08:27:10Z",
              "ms": 3277268830220.6914
            },
            "end": {
              "local": "2073-11-07T12:15:10+03:00",
              "utc": "2073-11-07T09:15:10Z",
              "ms": 3277271710220.6914
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-11-08",
          "window": {
            "start": {
              "local": "2073-11-08T11:27:15+03:00",
              "utc": "2073-11-08T08:27:15Z",
              "ms": 3277355234540.418
            },
            "end": {
              "local": "2073-11-08T12:15:15+03:00",
              "utc": "2073-11-08T09:15:15Z",
              "ms": 3277358114540.418
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 07:12 on Tue 7 Nov to 08:41 on Wed 8 Nov.",
          "fact": "2073-11-07T04:12:03Z → 2073-11-08T05:41:18Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 7th, 11:27–12:15 on the 8th.",
          "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 7th and 0 of 48 on the 8th.",
          "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 9956 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Navamī, Mosul, 2073: Tuesday 7 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": "2073-11-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-11-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Durgā Navamī 2073 falls on Tuesday 7 November. Navamī runs from 07:12 on Tue 7 Nov to 08:41 on Wed 8 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/ekadashi?on=2073-11-10",
      "festival": "ekadashi",
      "name": "Prabodhinī Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-11-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14630,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-11-09T10:43:11+03:00",
          "utc": "2073-11-09T07:43:11Z",
          "ms": 3277438991478.257
        },
        "end": {
          "local": "2073-11-10T13:06:11+03:00",
          "utc": "2073-11-10T10:06:11Z",
          "ms": 3277533970599.2354
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-11-09T10:43:11+03:00",
          "utc": "2073-11-09T07:43:11Z",
          "ms": 3277438991478.257
        },
        "end": {
          "local": "2073-11-10T13:06:11+03:00",
          "utc": "2073-11-10T10:06:11Z",
          "ms": 3277533970599.2354
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-11-09",
          "window": {
            "start": {
              "local": "2073-11-09T06:39:21+03:00",
              "utc": "2073-11-09T03:39:21Z",
              "ms": 3277424360988.8086
            },
            "end": {
              "local": "2073-11-09T06:39:21+03:00",
              "utc": "2073-11-09T03:39:21Z",
              "ms": 3277424360988.8086
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2073-11-10",
          "window": {
            "start": {
              "local": "2073-11-10T06:40:22+03:00",
              "utc": "2073-11-10T03:40:22Z",
              "ms": 3277510821692.9077
            },
            "end": {
              "local": "2073-11-10T06:40:22+03:00",
              "utc": "2073-11-10T03:40:22Z",
              "ms": 3277510821692.9077
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 10:43 on Thu 9 Nov to 13:06 on Fri 10 Nov.",
          "fact": "2073-11-09T07:43:11Z → 2073-11-10T10:06:11Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:39 on the 9th and 06:40 on the 10th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 9th and is on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 14630 s"
        },
        {
          "step": "ruling",
          "text": "Prabodhinī Ekādaśī, Mosul, 2073: Friday 10 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": "2073-11-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-11-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Prabodhinī Ekādaśī 2073 falls on Friday 10 November. Ekādaśī runs from 10:43 on Thu 9 Nov to 13:06 on Fri 10 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-11-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/pradosha-vrata?on=2073-11-11",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-11-11",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 2286,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-11-11T15:39:04+03:00",
          "utc": "2073-11-11T12:39:04Z",
          "ms": 3277629544281.532
        },
        "end": {
          "local": "2073-11-12T18:12:30+03:00",
          "utc": "2073-11-12T15:12:30Z",
          "ms": 3277725150436.3105
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-11-11T15:39:04+03:00",
          "utc": "2073-11-11T12:39:04Z",
          "ms": 3277629544281.532
        },
        "end": {
          "local": "2073-11-12T18:12:30+03:00",
          "utc": "2073-11-12T15:12:30Z",
          "ms": 3277725150436.3105
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-11-11",
          "window": {
            "start": {
              "local": "2073-11-11T17:01:43+03:00",
              "utc": "2073-11-11T14:01:43Z",
              "ms": 3277634502556.751
            },
            "end": {
              "local": "2073-11-11T18:51:08+03:00",
              "utc": "2073-11-11T15:51:08Z",
              "ms": 3277641067986.4307
            }
          },
          "covered_min": 109,
          "window_min": 109,
          "qualifies": true
        },
        {
          "local_date": "2073-11-12",
          "window": {
            "start": {
              "local": "2073-11-12T17:00:57+03:00",
              "utc": "2073-11-12T14:00:57Z",
              "ms": 3277720857087.224
            },
            "end": {
              "local": "2073-11-12T18:50:37+03:00",
              "utc": "2073-11-12T15:50:37Z",
              "ms": 3277727436690.483
            }
          },
          "covered_min": 72,
          "window_min": 110,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 15:39 on Sat 11 Nov to 18:13 on Sun 12 Nov.",
          "fact": "2073-11-11T12:39:04Z → 2073-11-12T15:12:30Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:02–18:51 on the 11th, 17:01–18:51 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 109 of 109 minutes on the 11th and 72 of 110 on the 12th.",
          "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 2286 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Mosul, 2073: Saturday 11 November.",
          "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": "2073-11-11",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-11-11",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mosul, Śukla Pradoṣa Vrata 2073 falls on Saturday 11 November. Trayodaśī runs from 15:39 on Sat 11 Nov to 18:13 on Sun 12 Nov and covers all of pradoṣa that evening. It also reaches the next evening for 72 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/mosul/festivals/2073/pradosha-vrata?on=2073-11-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/rasayatra",
      "festival": "rasayatra",
      "name": "Rāsayātrā",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-11-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1959,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2073-11-13T20:39:36+03:00",
          "utc": "2073-11-13T17:39:36Z",
          "ms": 3277820376176.8804
        },
        "end": {
          "local": "2073-11-14T22:55:49+03:00",
          "utc": "2073-11-14T19:55:49Z",
          "ms": 3277914949133.5747
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-11-13T20:39:36+03:00",
          "utc": "2073-11-13T17:39:36Z",
          "ms": 3277820376176.8804
        },
        "end": {
          "local": "2073-11-14T22:55:49+03:00",
          "utc": "2073-11-14T19:55:49Z",
          "ms": 3277914949133.5747
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2073-11-13",
          "window": {
            "start": {
              "local": "2073-11-13T23:28:19+03:00",
              "utc": "2073-11-13T20:28:19Z",
              "ms": 3277830499113.5146
            },
            "end": {
              "local": "2073-11-14T00:16:19+03:00",
              "utc": "2073-11-13T21:16:19Z",
              "ms": 3277833379113.5146
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-11-14",
          "window": {
            "start": {
              "local": "2073-11-14T23:28:28+03:00",
              "utc": "2073-11-14T20:28:28Z",
              "ms": 3277916908460.4844
            },
            "end": {
              "local": "2073-11-15T00:16:28+03:00",
              "utc": "2073-11-14T21:16:28Z",
              "ms": 3277919788460.4844
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 20:40 on Mon 13 Nov to 22:56 on Tue 14 Nov.",
          "fact": "2073-11-13T17:39:36Z → 2073-11-14T19:55:49Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:28–00:16 on the 13th, 23:28–00:16 on the 14th.",
          "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 13th and 0 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 1959 s"
        },
        {
          "step": "ruling",
          "text": "Rāsayātrā, Mosul, 2073: Monday 13 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": "2073-11-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-11-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Rāsayātrā 2073 falls on Monday 13 November. Pūrṇimā runs from 20:40 on Mon 13 Nov to 22:56 on Tue 14 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/kartiki-purnima",
      "festival": "kartiki-purnima",
      "name": "Kārtikī Pūrṇimā",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-11-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30227,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2073-11-13T20:39:36+03:00",
          "utc": "2073-11-13T17:39:36Z",
          "ms": 3277820376176.8804
        },
        "end": {
          "local": "2073-11-14T22:55:49+03:00",
          "utc": "2073-11-14T19:55:49Z",
          "ms": 3277914949133.5747
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-11-13T20:39:36+03:00",
          "utc": "2073-11-13T17:39:36Z",
          "ms": 3277820376176.8804
        },
        "end": {
          "local": "2073-11-14T22:55:49+03:00",
          "utc": "2073-11-14T19:55:49Z",
          "ms": 3277914949133.5747
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-11-13",
          "window": {
            "start": {
              "local": "2073-11-13T11:27:49+03:00",
              "utc": "2073-11-13T08:27:49Z",
              "ms": 3277787268701.624
            },
            "end": {
              "local": "2073-11-13T12:15:49+03:00",
              "utc": "2073-11-13T09:15:49Z",
              "ms": 3277790148701.624
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-11-14",
          "window": {
            "start": {
              "local": "2073-11-14T11:27:58+03:00",
              "utc": "2073-11-14T08:27:58Z",
              "ms": 3277873678067.2295
            },
            "end": {
              "local": "2073-11-14T12:15:58+03:00",
              "utc": "2073-11-14T09:15:58Z",
              "ms": 3277876558067.2295
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 20:40 on Mon 13 Nov to 22:56 on Tue 14 Nov.",
          "fact": "2073-11-13T17:39:36Z → 2073-11-14T19:55:49Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 13th, 11:28–12:16 on the 14th.",
          "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 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 midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 30227 s"
        },
        {
          "step": "ruling",
          "text": "Kārtikī Pūrṇimā, Mosul, 2073: Tuesday 14 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "kartiki-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-11-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-11-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Kārtikī Pūrṇimā 2073 falls on Tuesday 14 November. Pūrṇimā runs from 20:40 on Mon 13 Nov to 22:56 on Tue 14 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/sankashta-chaturthi?on=2073-11-18",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-11-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32575,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-11-18T04:12:25+03:00",
          "utc": "2073-11-18T01:12:25Z",
          "ms": 3278193144858.3965
        },
        "end": {
          "local": "2073-11-19T05:18:25+03:00",
          "utc": "2073-11-19T02:18:25Z",
          "ms": 3278283505371.689
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-11-18T04:12:25+03:00",
          "utc": "2073-11-18T01:12:25Z",
          "ms": 3278193144858.3965
        },
        "end": {
          "local": "2073-11-19T05:18:25+03:00",
          "utc": "2073-11-19T02:18:25Z",
          "ms": 3278283505371.689
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2073-11-17",
          "window": {
            "start": {
              "local": "2073-11-17T19:09:30+03:00",
              "utc": "2073-11-17T16:09:30Z",
              "ms": 3278160570114.43
            },
            "end": {
              "local": "2073-11-17T19:09:30+03:00",
              "utc": "2073-11-17T16:09:30Z",
              "ms": 3278160570114.43
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2073-11-18",
          "window": {
            "start": {
              "local": "2073-11-18T19:58:32+03:00",
              "utc": "2073-11-18T16:58:32Z",
              "ms": 3278249912143.7534
            },
            "end": {
              "local": "2073-11-18T19:58:32+03:00",
              "utc": "2073-11-18T16:58:32Z",
              "ms": 3278249912143.7534
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 04:12 on Sat 18 Nov to 05:18 on Sun 19 Nov.",
          "fact": "2073-11-18T01:12:25Z → 2073-11-19T02:18:25Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:10 on the 17th and 19:59 on the 18th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 17th and is on the 18th.",
          "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 32575 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mosul, 2073: Saturday 18 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": "2073-11-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-11-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Saṅkaṣṭa Caturthī 2073 falls on Saturday 18 November. Caturthī runs from 04:12 on Sat 18 Nov to 05:18 on Sun 19 Nov and is current at moonrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/sankashta-chaturthi?on=2073-11-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/ekadashi?on=2073-11-25",
      "festival": "ekadashi",
      "name": "Utpannā Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-11-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22316,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-11-25T00:43:28+03:00",
          "utc": "2073-11-24T21:43:28Z",
          "ms": 3278785408094.5728
        },
        "end": {
          "local": "2073-11-25T21:55:29+03:00",
          "utc": "2073-11-25T18:55:29Z",
          "ms": 3278861729366.7944
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-11-25T00:43:28+03:00",
          "utc": "2073-11-24T21:43:28Z",
          "ms": 3278785408094.5728
        },
        "end": {
          "local": "2073-11-25T21:55:29+03:00",
          "utc": "2073-11-25T18:55:29Z",
          "ms": 3278861729366.7944
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-11-25",
          "window": {
            "start": {
              "local": "2073-11-25T06:55:24+03:00",
              "utc": "2073-11-25T03:55:24Z",
              "ms": 3278807724442.1445
            },
            "end": {
              "local": "2073-11-25T06:55:24+03:00",
              "utc": "2073-11-25T03:55:24Z",
              "ms": 3278807724442.1445
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-11-26",
          "window": {
            "start": {
              "local": "2073-11-26T06:56:23+03:00",
              "utc": "2073-11-26T03:56:23Z",
              "ms": 3278894182565.676
            },
            "end": {
              "local": "2073-11-26T06:56:23+03:00",
              "utc": "2073-11-26T03:56:23Z",
              "ms": 3278894182565.676
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 00:43 on Sat 25 Nov to 21:55 on Sat 25 Nov.",
          "fact": "2073-11-24T21:43:28Z → 2073-11-25T18:55:29Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:55 on the 25th and 06:56 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 22316 s"
        },
        {
          "step": "ruling",
          "text": "Utpannā Ekādaśī, Mosul, 2073: Saturday 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": "2073-11-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-11-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Utpannā Ekādaśī 2073 falls on Saturday 25 November. Ekādaśī runs from 00:43 on Sat 25 Nov to 21:55 on Sat 25 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-11-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/pradosha-vrata?on=2073-11-26",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-11-26",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 177,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-11-26T18:43:02+03:00",
          "utc": "2073-11-26T15:43:02Z",
          "ms": 3278936582349.165
        },
        "end": {
          "local": "2073-11-27T15:14:55+03:00",
          "utc": "2073-11-27T12:14:55Z",
          "ms": 3279010495065.6953
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-11-26T18:43:02+03:00",
          "utc": "2073-11-26T15:43:02Z",
          "ms": 3278936582349.165
        },
        "end": {
          "local": "2073-11-27T15:14:55+03:00",
          "utc": "2073-11-27T12:14:55Z",
          "ms": 3279010495065.6953
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-11-26",
          "window": {
            "start": {
              "local": "2073-11-26T16:53:29+03:00",
              "utc": "2073-11-26T13:53:29Z",
              "ms": 3278930008716.8193
            },
            "end": {
              "local": "2073-11-26T18:46:00+03:00",
              "utc": "2073-11-26T15:46:00Z",
              "ms": 3278936759580.476
            }
          },
          "covered_min": 3,
          "window_min": 113,
          "qualifies": true
        },
        {
          "local_date": "2073-11-27",
          "window": {
            "start": {
              "local": "2073-11-27T16:53:11+03:00",
              "utc": "2073-11-27T13:53:11Z",
              "ms": 3279016391064.3145
            },
            "end": {
              "local": "2073-11-27T18:45:52+03:00",
              "utc": "2073-11-27T15:45:52Z",
              "ms": 3279023151892.624
            }
          },
          "covered_min": 0,
          "window_min": 113,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 18:43 on Sun 26 Nov to 15:15 on Mon 27 Nov.",
          "fact": "2073-11-26T15:43:02Z → 2073-11-27T12:14:55Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:53–18:46 on the 26th, 16:53–18:46 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 3 of 113 minutes on the 26th and 0 of 113 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 177 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 2073: Sunday 26 November.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-11-26",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-11-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 2073 falls on Sunday 26 November. Trayodaśī runs from 18:43 on Sun 26 Nov to 15:15 on Mon 27 Nov and covers 3 of 113 minutes of pradoṣa that evening. It is 2 min 57 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/mosul/festivals/2073/pradosha-vrata?on=2073-11-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/shivaratri?on=2073-11-27",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-11-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29809,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2073-11-27T15:14:55+03:00",
          "utc": "2073-11-27T12:14:55Z",
          "ms": 3279010495065.6953
        },
        "end": {
          "local": "2073-11-28T11:41:15+03:00",
          "utc": "2073-11-28T08:41:15Z",
          "ms": 3279084074541.9316
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-11-27T15:14:55+03:00",
          "utc": "2073-11-27T12:14:55Z",
          "ms": 3279010495065.6953
        },
        "end": {
          "local": "2073-11-28T11:41:15+03:00",
          "utc": "2073-11-28T08:41:15Z",
          "ms": 3279084074541.9316
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2073-11-27",
          "window": {
            "start": {
              "local": "2073-11-27T23:31:44+03:00",
              "utc": "2073-11-27T20:31:44Z",
              "ms": 3279040304170.4756
            },
            "end": {
              "local": "2073-11-28T00:19:44+03:00",
              "utc": "2073-11-27T21:19:44Z",
              "ms": 3279043184170.4756
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-11-28",
          "window": {
            "start": {
              "local": "2073-11-28T23:32:05+03:00",
              "utc": "2073-11-28T20:32:05Z",
              "ms": 3279126724585.7275
            },
            "end": {
              "local": "2073-11-29T00:20:05+03:00",
              "utc": "2073-11-28T21:20:05Z",
              "ms": 3279129604585.7275
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 15:15 on Mon 27 Nov to 11:41 on Tue 28 Nov.",
          "fact": "2073-11-27T12:14:55Z → 2073-11-28T08:41:15Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:32–00:20 on the 27th, 23:32–00:20 on the 28th.",
          "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 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 night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 29809 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Mosul, 2073: Monday 27 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": "2073-11-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-11-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śivarātri 2073 falls on Monday 27 November. Caturdaśī runs from 15:15 on Mon 27 Nov to 11:41 on Tue 28 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mosul/festivals/2073/shivaratri?on=2073-11-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/vinayaka-chaturthi?on=2073-12-02",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-12-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37585,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-12-02T00:09:30+03:00",
          "utc": "2073-12-01T21:09:30Z",
          "ms": 3279388170305.0376
        },
        "end": {
          "local": "2073-12-02T22:47:31+03:00",
          "utc": "2073-12-02T19:47:31Z",
          "ms": 3279469651417.049
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-12-02T00:09:30+03:00",
          "utc": "2073-12-01T21:09:30Z",
          "ms": 3279388170305.0376
        },
        "end": {
          "local": "2073-12-02T22:47:31+03:00",
          "utc": "2073-12-02T19:47:31Z",
          "ms": 3279469651417.049
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-12-01",
          "window": {
            "start": {
              "local": "2073-12-01T11:32:43+03:00",
              "utc": "2073-12-01T08:32:43Z",
              "ms": 3279342762605.1484
            },
            "end": {
              "local": "2073-12-01T12:20:43+03:00",
              "utc": "2073-12-01T09:20:43Z",
              "ms": 3279345642605.1484
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-12-02",
          "window": {
            "start": {
              "local": "2073-12-02T11:33:06+03:00",
              "utc": "2073-12-02T08:33:06Z",
              "ms": 3279429185977.33
            },
            "end": {
              "local": "2073-12-02T12:21:06+03:00",
              "utc": "2073-12-02T09:21:06Z",
              "ms": 3279432065977.33
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 00:10 on Sat 2 Dec to 22:48 on Sat 2 Dec.",
          "fact": "2073-12-01T21:09:30Z → 2073-12-02T19:47:31Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 1st, 11:33–12:21 on the 2nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 37585 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Mosul, 2073: Saturday 2 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": "2073-12-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-12-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Vināyaka Caturthī 2073 falls on Saturday 2 December. Caturthī runs from 00:10 on Sat 2 Dec to 22:48 on Sat 2 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/vinayaka-chaturthi?on=2073-12-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/naga-panchami-margashirsha",
      "festival": "naga-panchami-margashirsha",
      "name": "Nāga Pañcamī (Mārgaśīrṣa)",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-12-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35662,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2073-12-02T22:47:31+03:00",
          "utc": "2073-12-02T19:47:31Z",
          "ms": 3279469651417.049
        },
        "end": {
          "local": "2073-12-03T22:15:52+03:00",
          "utc": "2073-12-03T19:15:52Z",
          "ms": 3279554151725.658
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-12-02T22:47:31+03:00",
          "utc": "2073-12-02T19:47:31Z",
          "ms": 3279469651417.049
        },
        "end": {
          "local": "2073-12-03T22:15:52+03:00",
          "utc": "2073-12-03T19:15:52Z",
          "ms": 3279554151725.658
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-12-02",
          "window": {
            "start": {
              "local": "2073-12-02T11:33:06+03:00",
              "utc": "2073-12-02T08:33:06Z",
              "ms": 3279429185977.33
            },
            "end": {
              "local": "2073-12-02T12:21:06+03:00",
              "utc": "2073-12-02T09:21:06Z",
              "ms": 3279432065977.33
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-12-03",
          "window": {
            "start": {
              "local": "2073-12-03T11:33:30+03:00",
              "utc": "2073-12-03T08:33:30Z",
              "ms": 3279515609947.9863
            },
            "end": {
              "local": "2073-12-03T12:21:30+03:00",
              "utc": "2073-12-03T09:21:30Z",
              "ms": 3279518489947.9863
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 22:48 on Sat 2 Dec to 22:16 on Sun 3 Dec.",
          "fact": "2073-12-02T19:47:31Z → 2073-12-03T19:15:52Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 2nd, 11:33–12:21 on the 3rd.",
          "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 2nd and 48 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 35662 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī (Mārgaśīrṣa), Mosul, 2073: Sunday 3 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naga-panchami-margashirsha",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Naga pancami (2nd) (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-12-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-12-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Nāga Pañcamī (Mārgaśīrṣa) 2073 falls on Sunday 3 December. Pañcamī runs from 22:48 on Sat 2 Dec to 22:16 on Sun 3 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/champa-shashthi",
      "festival": "champa-shashthi",
      "name": "Campā Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-12-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35662,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2073-12-03T22:15:52+03:00",
          "utc": "2073-12-03T19:15:52Z",
          "ms": 3279554151725.658
        },
        "end": {
          "local": "2073-12-04T22:35:46+03:00",
          "utc": "2073-12-04T19:35:46Z",
          "ms": 3279641745566.8276
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-12-03T22:15:52+03:00",
          "utc": "2073-12-03T19:15:52Z",
          "ms": 3279554151725.658
        },
        "end": {
          "local": "2073-12-04T22:35:46+03:00",
          "utc": "2073-12-04T19:35:46Z",
          "ms": 3279641745566.8276
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-12-03",
          "window": {
            "start": {
              "local": "2073-12-03T11:33:30+03:00",
              "utc": "2073-12-03T08:33:30Z",
              "ms": 3279515609947.9863
            },
            "end": {
              "local": "2073-12-03T12:21:30+03:00",
              "utc": "2073-12-03T09:21:30Z",
              "ms": 3279518489947.9863
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-12-04",
          "window": {
            "start": {
              "local": "2073-12-04T11:33:54+03:00",
              "utc": "2073-12-04T08:33:54Z",
              "ms": 3279602034490.791
            },
            "end": {
              "local": "2073-12-04T12:21:54+03:00",
              "utc": "2073-12-04T09:21:54Z",
              "ms": 3279604914490.791
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 22:16 on Sun 3 Dec to 22:36 on Mon 4 Dec.",
          "fact": "2073-12-03T19:15:52Z → 2073-12-04T19:35:46Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 3rd, 11:34–12:22 on the 4th.",
          "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 3rd and 48 of 48 on the 4th.",
          "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 35662 s"
        },
        {
          "step": "ruling",
          "text": "Campā Ṣaṣṭhī, Mosul, 2073: Monday 4 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "champa-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi"
          }
        ],
        "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.",
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-12-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-12-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Campā Ṣaṣṭhī 2073 falls on Monday 4 December. Ṣaṣṭhī runs from 22:16 on Sun 3 Dec to 22:36 on Mon 4 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/skanda-shashthi",
      "festival": "skanda-shashthi",
      "name": "Skanda Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-12-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35662,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2073-12-03T22:15:52+03:00",
          "utc": "2073-12-03T19:15:52Z",
          "ms": 3279554151725.658
        },
        "end": {
          "local": "2073-12-04T22:35:46+03:00",
          "utc": "2073-12-04T19:35:46Z",
          "ms": 3279641745566.8276
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-12-03T22:15:52+03:00",
          "utc": "2073-12-03T19:15:52Z",
          "ms": 3279554151725.658
        },
        "end": {
          "local": "2073-12-04T22:35:46+03:00",
          "utc": "2073-12-04T19:35:46Z",
          "ms": 3279641745566.8276
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-12-03",
          "window": {
            "start": {
              "local": "2073-12-03T11:33:30+03:00",
              "utc": "2073-12-03T08:33:30Z",
              "ms": 3279515609947.9863
            },
            "end": {
              "local": "2073-12-03T12:21:30+03:00",
              "utc": "2073-12-03T09:21:30Z",
              "ms": 3279518489947.9863
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-12-04",
          "window": {
            "start": {
              "local": "2073-12-04T11:33:54+03:00",
              "utc": "2073-12-04T08:33:54Z",
              "ms": 3279602034490.791
            },
            "end": {
              "local": "2073-12-04T12:21:54+03:00",
              "utc": "2073-12-04T09:21:54Z",
              "ms": 3279604914490.791
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 22:16 on Sun 3 Dec to 22:36 on Mon 4 Dec.",
          "fact": "2073-12-03T19:15:52Z → 2073-12-04T19:35:46Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:33–12:21 on the 3rd, 11:34–12:22 on the 4th.",
          "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 3rd and 48 of 48 on the 4th.",
          "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 35662 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī, Mosul, 2073: Monday 4 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "skanda-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-12-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-12-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Skanda Ṣaṣṭhī 2073 falls on Monday 4 December. Ṣaṣṭhī runs from 22:16 on Sun 3 Dec to 22:36 on Mon 4 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/mitra-saptami",
      "festival": "mitra-saptami",
      "name": "Mitra Saptamī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-12-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36831,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2073-12-04T22:35:46+03:00",
          "utc": "2073-12-04T19:35:46Z",
          "ms": 3279641745566.8276
        },
        "end": {
          "local": "2073-12-05T23:43:54+03:00",
          "utc": "2073-12-05T20:43:54Z",
          "ms": 3279732233553.9165
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-12-04T22:35:46+03:00",
          "utc": "2073-12-04T19:35:46Z",
          "ms": 3279641745566.8276
        },
        "end": {
          "local": "2073-12-05T23:43:54+03:00",
          "utc": "2073-12-05T20:43:54Z",
          "ms": 3279732233553.9165
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-12-04",
          "window": {
            "start": {
              "local": "2073-12-04T11:33:54+03:00",
              "utc": "2073-12-04T08:33:54Z",
              "ms": 3279602034490.791
            },
            "end": {
              "local": "2073-12-04T12:21:54+03:00",
              "utc": "2073-12-04T09:21:54Z",
              "ms": 3279604914490.791
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-12-05",
          "window": {
            "start": {
              "local": "2073-12-05T11:34:20+03:00",
              "utc": "2073-12-05T08:34:20Z",
              "ms": 3279688459579.5264
            },
            "end": {
              "local": "2073-12-05T12:22:20+03:00",
              "utc": "2073-12-05T09:22:20Z",
              "ms": 3279691339579.5264
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 22:36 on Mon 4 Dec to 23:44 on Tue 5 Dec.",
          "fact": "2073-12-04T19:35:46Z → 2073-12-05T20:43:54Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:34–12:22 on the 4th, 11:34–12:22 on the 5th.",
          "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 4th and 48 of 48 on the 5th.",
          "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 36831 s"
        },
        {
          "step": "ruling",
          "text": "Mitra Saptamī, Mosul, 2073: Tuesday 5 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": "2073-12-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-12-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Mitra Saptamī 2073 falls on Tuesday 5 December. Saptamī runs from 22:36 on Mon 4 Dec to 23:44 on Tue 5 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/ekadashi?on=2073-12-10",
      "festival": "ekadashi",
      "name": "Mokṣadā Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-12-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2729,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-12-09T06:22:25+03:00",
          "utc": "2073-12-09T03:22:25Z",
          "ms": 3280015344649.4688
        },
        "end": {
          "local": "2073-12-10T08:57:33+03:00",
          "utc": "2073-12-10T05:57:33Z",
          "ms": 3280111053175.679
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-12-09T06:22:25+03:00",
          "utc": "2073-12-09T03:22:25Z",
          "ms": 3280015344649.4688
        },
        "end": {
          "local": "2073-12-10T08:57:33+03:00",
          "utc": "2073-12-10T05:57:33Z",
          "ms": 3280111053175.679
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-12-09",
          "window": {
            "start": {
              "local": "2073-12-09T07:07:54+03:00",
              "utc": "2073-12-09T04:07:54Z",
              "ms": 3280018073689.7627
            },
            "end": {
              "local": "2073-12-09T07:07:54+03:00",
              "utc": "2073-12-09T04:07:54Z",
              "ms": 3280018073689.7627
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-12-10",
          "window": {
            "start": {
              "local": "2073-12-10T07:08:40+03:00",
              "utc": "2073-12-10T04:08:40Z",
              "ms": 3280104520057.153
            },
            "end": {
              "local": "2073-12-10T07:08:40+03:00",
              "utc": "2073-12-10T04:08:40Z",
              "ms": 3280104520057.153
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 06:22 on Sat 9 Dec to 08:58 on Sun 10 Dec.",
          "fact": "2073-12-09T03:22:25Z → 2073-12-10T05:57:33Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:08 on the 9th and 07:09 on the 10th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 9th and is on the 10th.",
          "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 2729 s"
        },
        {
          "step": "ruling",
          "text": "Mokṣadā Ekādaśī, Mosul, 2073: Sunday 10 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": "2073-12-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-12-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Mokṣadā Ekādaśī 2073 falls on Sunday 10 December. Ekādaśī runs from 06:22 on Sat 9 Dec to 08:58 on Sun 10 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-12-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/akhanda-dvadashi",
      "festival": "akhanda-dvadashi",
      "name": "Akhaṇḍa Dvādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-12-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 771,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2073-12-10T08:57:33+03:00",
          "utc": "2073-12-10T05:57:33Z",
          "ms": 3280111053175.679
        },
        "end": {
          "local": "2073-12-11T11:24:09+03:00",
          "utc": "2073-12-11T08:24:09Z",
          "ms": 3280206249326.1904
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-12-10T08:57:33+03:00",
          "utc": "2073-12-10T05:57:33Z",
          "ms": 3280111053175.679
        },
        "end": {
          "local": "2073-12-11T11:24:09+03:00",
          "utc": "2073-12-11T08:24:09Z",
          "ms": 3280206249326.1904
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2073-12-10",
          "window": {
            "start": {
              "local": "2073-12-10T11:36:32+03:00",
              "utc": "2073-12-10T08:36:32Z",
              "ms": 3280120592285.9067
            },
            "end": {
              "local": "2073-12-10T12:24:32+03:00",
              "utc": "2073-12-10T09:24:32Z",
              "ms": 3280123472285.9067
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2073-12-11",
          "window": {
            "start": {
              "local": "2073-12-11T11:37:00+03:00",
              "utc": "2073-12-11T08:37:00Z",
              "ms": 3280207020090.5205
            },
            "end": {
              "local": "2073-12-11T12:25:00+03:00",
              "utc": "2073-12-11T09:25:00Z",
              "ms": 3280209900090.5205
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 08:58 on Sun 10 Dec to 11:24 on Mon 11 Dec.",
          "fact": "2073-12-10T05:57:33Z → 2073-12-11T08:24:09Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 10th, 11:37–12:25 on the 11th.",
          "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 10th and 0 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 771 s"
        },
        {
          "step": "ruling",
          "text": "Akhaṇḍa Dvādaśī, Mosul, 2073: Sunday 10 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": "2073-12-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-12-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Akhaṇḍa Dvādaśī 2073 falls on Sunday 10 December. Dvādaśī runs from 08:58 on Sun 10 Dec to 11:24 on Mon 11 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mosul/festivals/2073/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": "/mosul/festivals/2073/pradosha-vrata?on=2073-12-11",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-12-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11903,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-12-11T11:24:09+03:00",
          "utc": "2073-12-11T08:24:09Z",
          "ms": 3280206249326.1904
        },
        "end": {
          "local": "2073-12-12T13:34:24+03:00",
          "utc": "2073-12-12T10:34:24Z",
          "ms": 3280300464255.3574
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-12-11T11:24:09+03:00",
          "utc": "2073-12-11T08:24:09Z",
          "ms": 3280206249326.1904
        },
        "end": {
          "local": "2073-12-12T13:34:24+03:00",
          "utc": "2073-12-12T10:34:24Z",
          "ms": 3280300464255.3574
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-12-11",
          "window": {
            "start": {
              "local": "2073-12-11T16:52:35+03:00",
              "utc": "2073-12-11T13:52:35Z",
              "ms": 3280225954971.755
            },
            "end": {
              "local": "2073-12-11T18:46:56+03:00",
              "utc": "2073-12-11T15:46:56Z",
              "ms": 3280232815522.398
            }
          },
          "covered_min": 114,
          "window_min": 114,
          "qualifies": true
        },
        {
          "local_date": "2073-12-12",
          "window": {
            "start": {
              "local": "2073-12-12T16:52:47+03:00",
              "utc": "2073-12-12T13:52:47Z",
              "ms": 3280312367401.798
            },
            "end": {
              "local": "2073-12-12T18:47:12+03:00",
              "utc": "2073-12-12T15:47:12Z",
              "ms": 3280319231973.6416
            }
          },
          "covered_min": 0,
          "window_min": 114,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 11:24 on Mon 11 Dec to 13:34 on Tue 12 Dec.",
          "fact": "2073-12-11T08:24:09Z → 2073-12-12T10:34:24Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:53–18:47 on the 11th, 16:53–18:47 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 114 of 114 minutes on the 11th and 0 of 114 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 11903 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Mosul, 2073: Monday 11 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": "2073-12-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-12-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Śukla Pradoṣa Vrata 2073 falls on Monday 11 December. Trayodaśī runs from 11:24 on Mon 11 Dec to 13:34 on Tue 12 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/pradosha-vrata?on=2073-12-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/dattatreyotpatti",
      "festival": "dattatreyotpatti",
      "name": "Dattātreyotpatti",
      "everyday": "Datta Jayanti",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-12-13",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 202,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2073-12-13T15:23:41+03:00",
          "utc": "2073-12-13T12:23:41Z",
          "ms": 3280393420727.3887
        },
        "end": {
          "local": "2073-12-14T16:49:56+03:00",
          "utc": "2073-12-14T13:49:56Z",
          "ms": 3280484996192.5605
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-12-13T15:23:41+03:00",
          "utc": "2073-12-13T12:23:41Z",
          "ms": 3280393420727.3887
        },
        "end": {
          "local": "2073-12-14T16:49:56+03:00",
          "utc": "2073-12-14T13:49:56Z",
          "ms": 3280484996192.5605
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-12-13",
          "window": {
            "start": {
              "local": "2073-12-13T16:53:02+03:00",
              "utc": "2073-12-13T13:53:02Z",
              "ms": 3280398781791.7046
            },
            "end": {
              "local": "2073-12-13T18:47:30+03:00",
              "utc": "2073-12-13T15:47:30Z",
              "ms": 3280405649944.0444
            }
          },
          "covered_min": 114,
          "window_min": 114,
          "qualifies": true
        },
        {
          "local_date": "2073-12-14",
          "window": {
            "start": {
              "local": "2073-12-14T16:53:18+03:00",
              "utc": "2073-12-14T13:53:18Z",
              "ms": 3280485198126.695
            },
            "end": {
              "local": "2073-12-14T18:47:49+03:00",
              "utc": "2073-12-14T15:47:49Z",
              "ms": 3280492069415.3335
            }
          },
          "covered_min": 0,
          "window_min": 115,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 15:24 on Wed 13 Dec to 16:50 on Thu 14 Dec.",
          "fact": "2073-12-13T12:23:41Z → 2073-12-14T13:49:56Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:53–18:47 on the 13th, 16:53–18:48 on the 14th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 114 of 114 minutes on the 13th and 0 of 115 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 202 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Dattātreyotpatti, Mosul, 2073: Wednesday 13 December.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "2073-12-13",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-12-13",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mosul, Dattātreyotpatti (Datta Jayanti) 2073 falls on Wednesday 13 December. Pūrṇimā runs from 15:24 on Wed 13 Dec to 16:50 on Thu 14 Dec and covers all of pradoṣa that evening. It is 3 min 22 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/mosul/festivals/2073/dattatreyotpatti",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/sankashta-chaturthi?on=2073-12-17",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-12-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3307,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2073-12-17T18:49:12+03:00",
          "utc": "2073-12-17T15:49:12Z",
          "ms": 3280751351554.8516
        },
        "end": {
          "local": "2073-12-18T18:42:45+03:00",
          "utc": "2073-12-18T15:42:45Z",
          "ms": 3280837365464.153
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-12-17T18:49:12+03:00",
          "utc": "2073-12-17T15:49:12Z",
          "ms": 3280751351554.8516
        },
        "end": {
          "local": "2073-12-18T18:42:45+03:00",
          "utc": "2073-12-18T15:42:45Z",
          "ms": 3280837365464.153
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2073-12-17",
          "window": {
            "start": {
              "local": "2073-12-17T19:44:18+03:00",
              "utc": "2073-12-17T16:44:18Z",
              "ms": 3280754658186.314
            },
            "end": {
              "local": "2073-12-17T19:44:18+03:00",
              "utc": "2073-12-17T16:44:18Z",
              "ms": 3280754658186.314
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2073-12-18",
          "window": {
            "start": {
              "local": "2073-12-18T20:44:46+03:00",
              "utc": "2073-12-18T17:44:46Z",
              "ms": 3280844686166.4453
            },
            "end": {
              "local": "2073-12-18T20:44:46+03:00",
              "utc": "2073-12-18T17:44:46Z",
              "ms": 3280844686166.4453
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 18:49 on Sun 17 Dec to 18:43 on Mon 18 Dec.",
          "fact": "2073-12-17T15:49:12Z → 2073-12-18T15:42:45Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:44 on the 17th and 20:45 on the 18th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 17th and is not on the 18th.",
          "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 3307 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mosul, 2073: Sunday 17 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": "2073-12-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-12-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Saṅkaṣṭa Caturthī 2073 falls on Sunday 17 December. Caturthī runs from 18:49 on Sun 17 Dec to 18:43 on Mon 18 Dec and is current at moonrise that day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/sankashta-chaturthi?on=2073-12-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/ekadashi?on=2073-12-24",
      "festival": "ekadashi",
      "name": "Saphalā Ekādaśī",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-12-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1668,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2073-12-24T09:33:16+03:00",
          "utc": "2073-12-24T06:33:16Z",
          "ms": 3281322795866.6035
        },
        "end": {
          "local": "2073-12-25T06:49:39+03:00",
          "utc": "2073-12-25T03:49:39Z",
          "ms": 3281399378543.0615
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-12-24T09:33:16+03:00",
          "utc": "2073-12-24T06:33:16Z",
          "ms": 3281322795866.6035
        },
        "end": {
          "local": "2073-12-25T06:49:39+03:00",
          "utc": "2073-12-25T03:49:39Z",
          "ms": 3281399378543.0615
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2073-12-24",
          "window": {
            "start": {
              "local": "2073-12-24T07:17:03+03:00",
              "utc": "2073-12-24T04:17:03Z",
              "ms": 3281314622877.5254
            },
            "end": {
              "local": "2073-12-24T07:17:03+03:00",
              "utc": "2073-12-24T04:17:03Z",
              "ms": 3281314622877.5254
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2073-12-25",
          "window": {
            "start": {
              "local": "2073-12-25T07:17:27+03:00",
              "utc": "2073-12-25T04:17:27Z",
              "ms": 3281401046839.079
            },
            "end": {
              "local": "2073-12-25T07:17:27+03:00",
              "utc": "2073-12-25T04:17:27Z",
              "ms": 3281401046839.079
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 09:33 on Sun 24 Dec to 06:50 on Mon 25 Dec.",
          "fact": "2073-12-24T06:33:16Z → 2073-12-25T03:49:39Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:17 on the 24th and 07:17 on the 25th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 24th and is not on the 25th.",
          "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 1668 s"
        },
        {
          "step": "ruling",
          "text": "Saphalā Ekādaśī, Mosul, 2073: Sunday 24 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": "2073-12-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-12-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Saphalā Ekādaśī 2073 falls on Sunday 24 December. Ekādaśī runs from 09:33 on Sun 24 Dec to 06:50 on Mon 25 Dec, and is current at sunrise on neither day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/ekadashi?on=2073-12-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/pradosha-vrata?on=2073-12-26",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-12-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22340,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2073-12-26T03:57:53+03:00",
          "utc": "2073-12-26T00:57:53Z",
          "ms": 3281475472841.6084
        },
        "end": {
          "local": "2073-12-27T01:05:51+03:00",
          "utc": "2073-12-26T22:05:51Z",
          "ms": 3281551551282.5586
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-12-26T03:57:53+03:00",
          "utc": "2073-12-26T00:57:53Z",
          "ms": 3281475472841.6084
        },
        "end": {
          "local": "2073-12-27T01:05:51+03:00",
          "utc": "2073-12-26T22:05:51Z",
          "ms": 3281551551282.5586
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2073-12-25",
          "window": {
            "start": {
              "local": "2073-12-25T16:58:20+03:00",
              "utc": "2073-12-25T13:58:20Z",
              "ms": 3281435900115.449
            },
            "end": {
              "local": "2073-12-25T18:52:56+03:00",
              "utc": "2073-12-25T15:52:56Z",
              "ms": 3281442775970.1816
            }
          },
          "covered_min": 0,
          "window_min": 115,
          "qualifies": false
        },
        {
          "local_date": "2073-12-26",
          "window": {
            "start": {
              "local": "2073-12-26T16:58:58+03:00",
              "utc": "2073-12-26T13:58:58Z",
              "ms": 3281522337929.277
            },
            "end": {
              "local": "2073-12-26T18:53:31+03:00",
              "utc": "2073-12-26T15:53:31Z",
              "ms": 3281529211459.6655
            }
          },
          "covered_min": 115,
          "window_min": 115,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 03:58 on Tue 26 Dec to 01:06 on Wed 27 Dec.",
          "fact": "2073-12-26T00:57:53Z → 2073-12-26T22:05:51Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:58–18:53 on the 25th, 16:59–18:54 on the 26th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 115 minutes on the 25th and 115 of 115 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 22340 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mosul, 2073: Tuesday 26 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2073-12-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-12-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mosul, Kṛṣṇa Pradoṣa Vrata 2073 falls on Tuesday 26 December. Trayodaśī runs from 03:58 on Tue 26 Dec to 01:06 on Wed 27 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mosul/festivals/2073/pradosha-vrata?on=2073-12-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mosul/festivals/2073/shivaratri?on=2073-12-26",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "99072",
      "year": 2073,
      "local_date": "2073-12-26",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 1998,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2073-12-27T01:05:51+03:00",
          "utc": "2073-12-26T22:05:51Z",
          "ms": 3281551551282.5586
        },
        "end": {
          "local": "2073-12-27T22:22:17+03:00",
          "utc": "2073-12-27T19:22:17Z",
          "ms": 3281628136802.397
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2073-12-27T01:05:51+03:00",
          "utc": "2073-12-26T22:05:51Z",
          "ms": 3281551551282.5586
        },
        "end": {
          "local": "2073-12-27T22:22:17+03:00",
          "utc": "2073-12-27T19:22:17Z",
          "ms": 3281628136802.397
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2073-12-26",
          "window": {
            "start": {
              "local": "2073-12-26T23:44:34+03:00",
              "utc": "2073-12-26T20:44:34Z",
              "ms": 3281546673668.2334
            },
            "end": {
              "local": "2073-12-27T00:32:34+03:00",
              "utc": "2073-12-26T21:32:34Z",
              "ms": 3281549553668.2334
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2073-12-27",
          "window": {
            "start": {
              "local": "2073-12-27T23:45:03+03:00",
              "utc": "2073-12-27T20:45:03Z",
              "ms": 3281633102627.1357
            },
            "end": {
              "local": "2073-12-28T00:33:03+03:00",
              "utc": "2073-12-27T21:33:03Z",
              "ms": 3281635982627.1357
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 01:06 on Wed 27 Dec to 22:22 on Wed 27 Dec.",
          "fact": "2073-12-26T22:05:51Z → 2073-12-27T19:22:17Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:45–00:33 on the 26th, 23:45–00:33 on the 27th.",
          "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 26th and 0 of 48 on the 27th.",
          "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 1998 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Mosul, 2073: Tuesday 26 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": "2073-12-26",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2073-12-26",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mosul, Śivarātri 2073 falls on Tuesday 26 December. Caturdaśī runs from 01:06 on Wed 27 Dec to 22:22 on Wed 27 Dec, and reaches niśītha on neither day.",
      "cite": "https://ahargana.org/mosul/festivals/2073/shivaratri?on=2073-12-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    }
  ],
  "engine": {
    "version": "0.1.0",
    "ruleset": "2026.3-draft",
    "kernel": "de440-1900-2100",
    "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
    "tzdata": "2026f"
  }
}
