{
  "id": "/mashhad/festivals/1904",
  "place": {
    "id": "124665",
    "slug": "mashhad",
    "name": "Mashhad",
    "region": "Razavi Khorasan, Iran",
    "country": "IR",
    "lat": 36.29807,
    "lon": 59.60567,
    "elevation_m": 980,
    "tz": "Asia/Tehran"
  },
  "year": 1904,
  "tradition": "smarta",
  "method": "pac-rp@2026.1",
  "ruleset": "2026.3-draft",
  "rulings": [
    {
      "id": "/mashhad/festivals/1904/sankashta-chaturthi?on=1904-01-05",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-01-05",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 2922,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-01-05T22:43:25+03:26",
          "utc": "1904-01-05T19:17:25Z",
          "ms": -2082429754934.4988
        },
        "end": {
          "local": "1904-01-06T19:35:59+03:26",
          "utc": "1904-01-06T16:09:59Z",
          "ms": -2082354601155.604
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-01-05T22:43:25+03:26",
          "utc": "1904-01-05T19:17:25Z",
          "ms": -2082429754934.4988
        },
        "end": {
          "local": "1904-01-06T19:35:59+03:26",
          "utc": "1904-01-06T16:09:59Z",
          "ms": -2082354601155.604
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1904-01-05",
          "window": {
            "start": {
              "local": "1904-01-05T19:15:18+03:26",
              "utc": "1904-01-05T15:49:18Z",
              "ms": -2082442242204.162
            },
            "end": {
              "local": "1904-01-05T19:15:18+03:26",
              "utc": "1904-01-05T15:49:18Z",
              "ms": -2082442242204.162
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1904-01-06",
          "window": {
            "start": {
              "local": "1904-01-06T20:24:41+03:26",
              "utc": "1904-01-06T16:58:41Z",
              "ms": -2082351678920.5898
            },
            "end": {
              "local": "1904-01-06T20:24:41+03:26",
              "utc": "1904-01-06T16:58:41Z",
              "ms": -2082351678920.5898
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 22:42 on Tue 5 Jan to 19:35 on Wed 6 Jan.",
          "fact": "1904-01-05T19:17:25Z → 1904-01-06T16:09:59Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:14 on the 5th and 20:24 on the 6th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 5th and is not on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Neither moonrise qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 2922 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mashhad, 1904: Tuesday 5 January.",
          "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": "1904-01-05",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-01-05",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1904 falls on Tuesday 5 January. Caturthī runs from 22:42 on Tue 5 Jan to 19:35 on Wed 6 Jan, and is current at moonrise on neither day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/sankashta-chaturthi?on=1904-01-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/bhogi",
      "festival": "bhogi",
      "name": "Bhogi",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-01-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37705,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "1904-01-14T06:05:05+03:26",
          "utc": "1904-01-14T02:39:05Z",
          "ms": -2081712054929.9417
        },
        "end": {
          "local": "1904-02-12T19:03:04+03:26",
          "utc": "1904-02-12T15:37:04Z",
          "ms": -2079159776243.039
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "1904-01-14T06:05:05+03:26",
          "utc": "1904-01-14T02:39:05Z",
          "ms": -2081712054929.9417
        },
        "end": {
          "local": "1904-01-14T06:05:05+03:26",
          "utc": "1904-01-14T02:39:05Z",
          "ms": -2081712054929.9417
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "1904-01-14",
          "window": {
            "start": {
              "local": "1904-01-13T16:32:32+03:26",
              "utc": "1904-01-13T13:06:32Z",
              "ms": -2081760808283.679
            },
            "end": {
              "local": "1904-01-14T16:33:30+03:26",
              "utc": "1904-01-14T13:07:30Z",
              "ms": -2081674350352.5537
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        },
        {
          "local_date": "1904-01-15",
          "window": {
            "start": {
              "local": "1904-01-14T16:33:30+03:26",
              "utc": "1904-01-14T13:07:30Z",
              "ms": -2081674350352.5537
            },
            "end": {
              "local": "1904-01-15T16:34:28+03:26",
              "utc": "1904-01-15T13:08:28Z",
              "ms": -2081587891701.1768
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "1904-01-14",
        "days": -1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 06:04 on Thu 14 Jan.",
          "fact": "1904-01-14T02:39:05Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 16:32, and the day of the 15th ends at 16:33.",
          "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 37705 s"
        },
        {
          "step": "counted",
          "text": "Bhogi is kept the day before Pongal: Thursday 14 January is the day taken above.",
          "fact": "follows: pongal − 1 d"
        },
        {
          "step": "ruling",
          "text": "Bhogi, Mashhad, 1904: Wednesday 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": "1904-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "1904-01-13",
          "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": "1904-01-12",
          "statement": "Counted from sunrise (the Orissa rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight."
          }
        }
      ],
      "quote": "In Mashhad, Bhogi 1904 falls on Wednesday 13 January. It is kept the day before Pongal, which falls on Thursday 14 January. The Sun enters Makara at 06:04 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 12 January.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/ekadashi?on=1904-01-13",
      "festival": "ekadashi",
      "name": "Ṣaṭtilā Ekādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-01-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19196,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1904-01-12T11:59:41+03:26",
          "utc": "1904-01-12T08:33:41Z",
          "ms": -2081863579401.3694
        },
        "end": {
          "local": "1904-01-13T12:39:43+03:26",
          "utc": "1904-01-13T09:13:43Z",
          "ms": -2081774777497.1284
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-01-12T11:59:41+03:26",
          "utc": "1904-01-12T08:33:41Z",
          "ms": -2081863579401.3694
        },
        "end": {
          "local": "1904-01-13T12:39:43+03:26",
          "utc": "1904-01-13T09:13:43Z",
          "ms": -2081774777497.1284
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-01-12",
          "window": {
            "start": {
              "local": "1904-01-12T06:39:45+03:26",
              "utc": "1904-01-12T03:13:45Z",
              "ms": -2081882775141.9014
            },
            "end": {
              "local": "1904-01-12T06:39:45+03:26",
              "utc": "1904-01-12T03:13:45Z",
              "ms": -2081882775141.9014
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1904-01-13",
          "window": {
            "start": {
              "local": "1904-01-13T06:39:36+03:26",
              "utc": "1904-01-13T03:13:36Z",
              "ms": -2081796384435.9192
            },
            "end": {
              "local": "1904-01-13T06:39:36+03:26",
              "utc": "1904-01-13T03:13:36Z",
              "ms": -2081796384435.9192
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 11:59 on Tue 12 Jan to 12:39 on Wed 13 Jan.",
          "fact": "1904-01-12T08:33:41Z → 1904-01-13T09:13:43Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:39 on the 12th and 06:39 on the 13th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 12th and is on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 19196 s"
        },
        {
          "step": "ruling",
          "text": "Ṣaṭtilā Ekādaśī, Mashhad, 1904: Wednesday 13 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": "1904-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-01-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Ṣaṭtilā Ekādaśī 1904 falls on Wednesday 13 January. Ekādaśī runs from 11:59 on Tue 12 Jan to 12:39 on Wed 13 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/ekadashi?on=1904-01-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/pongal",
      "festival": "pongal",
      "name": "Pongal",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37705,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "1904-01-14T06:05:05+03:26",
          "utc": "1904-01-14T02:39:05Z",
          "ms": -2081712054929.9417
        },
        "end": {
          "local": "1904-02-12T19:03:04+03:26",
          "utc": "1904-02-12T15:37:04Z",
          "ms": -2079159776243.039
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "1904-01-14T06:05:05+03:26",
          "utc": "1904-01-14T02:39:05Z",
          "ms": -2081712054929.9417
        },
        "end": {
          "local": "1904-01-14T06:05:05+03:26",
          "utc": "1904-01-14T02:39:05Z",
          "ms": -2081712054929.9417
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "1904-01-14",
          "window": {
            "start": {
              "local": "1904-01-13T16:32:32+03:26",
              "utc": "1904-01-13T13:06:32Z",
              "ms": -2081760808283.679
            },
            "end": {
              "local": "1904-01-14T16:33:30+03:26",
              "utc": "1904-01-14T13:07:30Z",
              "ms": -2081674350352.5537
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        },
        {
          "local_date": "1904-01-15",
          "window": {
            "start": {
              "local": "1904-01-14T16:33:30+03:26",
              "utc": "1904-01-14T13:07:30Z",
              "ms": -2081674350352.5537
            },
            "end": {
              "local": "1904-01-15T16:34:28+03:26",
              "utc": "1904-01-15T13:08:28Z",
              "ms": -2081587891701.1768
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 06:04 on Thu 14 Jan.",
          "fact": "1904-01-14T02:39:05Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 16:32, and the day of the 15th ends at 16:33.",
          "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 37705 s"
        },
        {
          "step": "ruling",
          "text": "Pongal, Mashhad, 1904: Thursday 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": "1904-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "1904-01-14",
          "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": "1904-01-13",
          "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 Mashhad, Pongal 1904 falls on Thursday 14 January. The Sun enters Makara at 06:04 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 13 January.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/makara-sankranti",
      "festival": "makara-sankranti",
      "name": "Makara Saṅkrānti",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21889,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "1904-01-14T06:05:05+03:26",
          "utc": "1904-01-14T02:39:05Z",
          "ms": -2081712054929.9417
        },
        "end": {
          "local": "1904-02-12T19:03:04+03:26",
          "utc": "1904-02-12T15:37:04Z",
          "ms": -2079159776243.039
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "1904-01-14T06:05:05+03:26",
          "utc": "1904-01-14T02:39:05Z",
          "ms": -2081712054929.9417
        },
        "end": {
          "local": "1904-01-14T06:05:05+03:26",
          "utc": "1904-01-14T02:39:05Z",
          "ms": -2081712054929.9417
        }
      },
      "kaala": "civil-day",
      "days": [
        {
          "local_date": "1904-01-13",
          "window": {
            "start": {
              "local": "1904-01-13T00:00:16+03:26",
              "utc": "1904-01-12T20:34:16Z",
              "ms": -2081820344000
            },
            "end": {
              "local": "1904-01-14T00:00:16+03:26",
              "utc": "1904-01-13T20:34:16Z",
              "ms": -2081733944000
            }
          },
          "covered_min": 0,
          "window_min": 1440,
          "qualifies": false
        },
        {
          "local_date": "1904-01-14",
          "window": {
            "start": {
              "local": "1904-01-14T00:00:16+03:26",
              "utc": "1904-01-13T20:34:16Z",
              "ms": -2081733944000
            },
            "end": {
              "local": "1904-01-15T00:00:16+03:26",
              "utc": "1904-01-14T20:34:16Z",
              "ms": -2081647544000
            }
          },
          "covered_min": 1,
          "window_min": 1440,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 06:04 on Thu 14 Jan.",
          "fact": "1904-01-14T02:39:05Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from midnight to midnight, on the clock of Mashhad.",
          "fact": "civil-day: midnight-to-midnight · Asia/Tehran"
        },
        {
          "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 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 midnight → only-day · margin 21889 s"
        },
        {
          "step": "ruling",
          "text": "Makara Saṅkrānti, Mashhad, 1904: Thursday 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": "1904-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "sunrise-day",
          "local_date": "1904-01-13",
          "statement": "Counted from sunrise (the Orissa rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight."
          }
        },
        {
          "kind": "reckoning",
          "id": "sunset-rule",
          "local_date": "1904-01-14",
          "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 Mashhad, Makara Saṅkrānti 1904 falls on Thursday 14 January. The Sun enters Makara at 06:04 on Thu 14 Jan, and the rule counts the day from midnight. Counted from sunrise, as in Orissa, it is 13 January.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/pradosha-vrata?on=1904-01-14",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4786,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-01-14T13:45:43+03:26",
          "utc": "1904-01-14T10:19:43Z",
          "ms": -2081684416765.8425
        },
        "end": {
          "local": "1904-01-15T15:14:42+03:26",
          "utc": "1904-01-15T11:48:42Z",
          "ms": -2081592677707.7463
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-01-14T13:45:43+03:26",
          "utc": "1904-01-14T10:19:43Z",
          "ms": -2081684416765.8425
        },
        "end": {
          "local": "1904-01-15T15:14:42+03:26",
          "utc": "1904-01-15T11:48:42Z",
          "ms": -2081592677707.7463
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-01-14",
          "window": {
            "start": {
              "local": "1904-01-14T16:33:30+03:26",
              "utc": "1904-01-14T13:07:30Z",
              "ms": -2081674350352.5537
            },
            "end": {
              "local": "1904-01-14T18:26:15+03:26",
              "utc": "1904-01-14T15:00:15Z",
              "ms": -2081667584830.7302
            }
          },
          "covered_min": 113,
          "window_min": 113,
          "qualifies": true
        },
        {
          "local_date": "1904-01-15",
          "window": {
            "start": {
              "local": "1904-01-15T16:34:28+03:26",
              "utc": "1904-01-15T13:08:28Z",
              "ms": -2081587891701.1768
            },
            "end": {
              "local": "1904-01-15T18:27:04+03:26",
              "utc": "1904-01-15T15:01:04Z",
              "ms": -2081581136026.1057
            }
          },
          "covered_min": 0,
          "window_min": 113,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 13:45 on Thu 14 Jan to 15:14 on Fri 15 Jan.",
          "fact": "1904-01-14T10:19:43Z → 1904-01-15T11:48:42Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:32–18:25 on the 14th, 16:33–18:26 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 113 of 113 minutes on the 14th and 0 of 113 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 4786 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1904: Thursday 14 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": "1904-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-01-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1904 falls on Thursday 14 January. Trayodaśī runs from 13:45 on Thu 14 Jan to 15:14 on Fri 15 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/pradosha-vrata?on=1904-01-14",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/mattu-pongal",
      "festival": "mattu-pongal",
      "name": "Mattu Pongal",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-01-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37705,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "1904-01-14T06:05:05+03:26",
          "utc": "1904-01-14T02:39:05Z",
          "ms": -2081712054929.9417
        },
        "end": {
          "local": "1904-02-12T19:03:04+03:26",
          "utc": "1904-02-12T15:37:04Z",
          "ms": -2079159776243.039
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "1904-01-14T06:05:05+03:26",
          "utc": "1904-01-14T02:39:05Z",
          "ms": -2081712054929.9417
        },
        "end": {
          "local": "1904-01-14T06:05:05+03:26",
          "utc": "1904-01-14T02:39:05Z",
          "ms": -2081712054929.9417
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "1904-01-14",
          "window": {
            "start": {
              "local": "1904-01-13T16:32:32+03:26",
              "utc": "1904-01-13T13:06:32Z",
              "ms": -2081760808283.679
            },
            "end": {
              "local": "1904-01-14T16:33:30+03:26",
              "utc": "1904-01-14T13:07:30Z",
              "ms": -2081674350352.5537
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        },
        {
          "local_date": "1904-01-15",
          "window": {
            "start": {
              "local": "1904-01-14T16:33:30+03:26",
              "utc": "1904-01-14T13:07:30Z",
              "ms": -2081674350352.5537
            },
            "end": {
              "local": "1904-01-15T16:34:28+03:26",
              "utc": "1904-01-15T13:08:28Z",
              "ms": -2081587891701.1768
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "1904-01-14",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 06:04 on Thu 14 Jan.",
          "fact": "1904-01-14T02:39:05Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 16:32, and the day of the 15th ends at 16:33.",
          "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 37705 s"
        },
        {
          "step": "counted",
          "text": "Mattu Pongal is kept the day after Pongal: Thursday 14 January is the day taken above.",
          "fact": "follows: pongal + 1 d"
        },
        {
          "step": "ruling",
          "text": "Mattu Pongal, Mashhad, 1904: Friday 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": "1904-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "1904-01-15",
          "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": "1904-01-14",
          "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 Mashhad, Mattu Pongal 1904 falls on Friday 15 January. It is kept the day after Pongal, which falls on Thursday 14 January. The Sun enters Makara at 06:04 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th. Counted from sunrise, as in Orissa, it is 14 January.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/shivaratri?on=1904-01-15",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-01-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22124,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1904-01-15T15:14:42+03:26",
          "utc": "1904-01-15T11:48:42Z",
          "ms": -2081592677707.7463
        },
        "end": {
          "local": "1904-01-16T17:04:19+03:26",
          "utc": "1904-01-16T13:38:19Z",
          "ms": -2081499700915.7717
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-01-15T15:14:42+03:26",
          "utc": "1904-01-15T11:48:42Z",
          "ms": -2081592677707.7463
        },
        "end": {
          "local": "1904-01-16T17:04:19+03:26",
          "utc": "1904-01-16T13:38:19Z",
          "ms": -2081499700915.7717
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1904-01-15",
          "window": {
            "start": {
              "local": "1904-01-15T23:12:42+03:26",
              "utc": "1904-01-15T19:46:42Z",
              "ms": -2081563997919.6602
            },
            "end": {
              "local": "1904-01-16T00:00:42+03:26",
              "utc": "1904-01-15T20:34:42Z",
              "ms": -2081561117919.6602
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-01-16",
          "window": {
            "start": {
              "local": "1904-01-16T23:13:03+03:26",
              "utc": "1904-01-16T19:47:03Z",
              "ms": -2081477576838.2812
            },
            "end": {
              "local": "1904-01-17T00:01:03+03:26",
              "utc": "1904-01-16T20:35:03Z",
              "ms": -2081474696838.2812
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 15:14 on Fri 15 Jan to 17:03 on Sat 16 Jan.",
          "fact": "1904-01-15T11:48:42Z → 1904-01-16T13:38:19Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:12–00:00 on the 15th, 23:12–00:00 on the 16th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 22124 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Mashhad, 1904: Friday 15 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": "1904-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-01-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śivarātri 1904 falls on Friday 15 January. Caturdaśī runs from 15:14 on Fri 15 Jan to 17:03 on Sat 16 Jan and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/shivaratri?on=1904-01-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/yama-tarpana",
      "festival": "yama-tarpana",
      "name": "Yama Tarpaṇa",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-01-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30931,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1904-01-15T15:14:42+03:26",
          "utc": "1904-01-15T11:48:42Z",
          "ms": -2081592677707.7463
        },
        "end": {
          "local": "1904-01-16T17:04:19+03:26",
          "utc": "1904-01-16T13:38:19Z",
          "ms": -2081499700915.7717
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-01-15T15:14:42+03:26",
          "utc": "1904-01-15T11:48:42Z",
          "ms": -2081592677707.7463
        },
        "end": {
          "local": "1904-01-16T17:04:19+03:26",
          "utc": "1904-01-16T13:38:19Z",
          "ms": -2081499700915.7717
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "1904-01-15",
          "window": {
            "start": {
              "local": "1904-01-15T04:46:26+03:26",
              "utc": "1904-01-15T01:20:26Z",
              "ms": -2081630374460.702
            },
            "end": {
              "local": "1904-01-15T06:39:11+03:26",
              "utc": "1904-01-15T03:13:11Z",
              "ms": -2081623608938.8784
            }
          },
          "covered_min": 0,
          "window_min": 113,
          "qualifies": false
        },
        {
          "local_date": "1904-01-16",
          "window": {
            "start": {
              "local": "1904-01-16T04:46:20+03:26",
              "utc": "1904-01-16T01:20:20Z",
              "ms": -2081543979813.2146
            },
            "end": {
              "local": "1904-01-16T06:38:56+03:26",
              "utc": "1904-01-16T03:12:56Z",
              "ms": -2081537224138.1436
            }
          },
          "covered_min": 113,
          "window_min": 113,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 15:14 on Fri 15 Jan to 17:03 on Sat 16 Jan.",
          "fact": "1904-01-15T11:48:42Z → 1904-01-16T13:38:19Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:45–06:38 on the 15th, 04:45–06:38 on the 16th.",
          "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 113 minutes on the 15th and 113 of 113 on the 16th.",
          "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 30931 s"
        },
        {
          "step": "ruling",
          "text": "Yama Tarpaṇa, Mashhad, 1904: Saturday 16 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "yama-tarpana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)"
          }
        ],
        "kaala": "arunodaya",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-01-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-01-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Yama Tarpaṇa 1904 falls on Saturday 16 January. Caturdaśī runs from 15:14 on Fri 15 Jan to 17:03 on Sat 16 Jan and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/ganesha-jayanti",
      "festival": "ganesha-jayanti",
      "name": "Gaṇeśa Jayantī",
      "everyday": "Maghi Ganesh Jayanti",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-01-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20123,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-01-21T02:57:52+03:26",
          "utc": "1904-01-20T23:31:52Z",
          "ms": -2081118488281.997
        },
        "end": {
          "local": "1904-01-22T05:39:46+03:26",
          "utc": "1904-01-22T02:13:46Z",
          "ms": -2081022373536.7324
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-01-21T02:57:52+03:26",
          "utc": "1904-01-20T23:31:52Z",
          "ms": -2081118488281.997
        },
        "end": {
          "local": "1904-01-22T05:39:46+03:26",
          "utc": "1904-01-22T02:13:46Z",
          "ms": -2081022373536.7324
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-01-21",
          "window": {
            "start": {
              "local": "1904-01-21T11:14:52+03:26",
              "utc": "1904-01-21T07:48:52Z",
              "ms": -2081088668439.6934
            },
            "end": {
              "local": "1904-01-21T12:02:52+03:26",
              "utc": "1904-01-21T08:36:52Z",
              "ms": -2081085788439.6934
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-01-22",
          "window": {
            "start": {
              "local": "1904-01-22T11:15:09+03:26",
              "utc": "1904-01-22T07:49:09Z",
              "ms": -2081002250704.4111
            },
            "end": {
              "local": "1904-01-22T12:03:09+03:26",
              "utc": "1904-01-22T08:37:09Z",
              "ms": -2080999370704.4111
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 02:57 on Thu 21 Jan to 05:39 on Fri 22 Jan.",
          "fact": "1904-01-20T23:31:52Z → 1904-01-22T02:13:46Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 21st, 11:14–12:02 on the 22nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 20123 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Jayantī, Mashhad, 1904: Thursday 21 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ganesha-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-01-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-01-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 1904 falls on Thursday 21 January. Caturthī runs from 02:57 on Thu 21 Jan to 05:39 on Fri 22 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/tila-chaturthi",
      "festival": "tila-chaturthi",
      "name": "Tila Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-01-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30400,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-01-21T02:57:52+03:26",
          "utc": "1904-01-20T23:31:52Z",
          "ms": -2081118488281.997
        },
        "end": {
          "local": "1904-01-22T05:39:46+03:26",
          "utc": "1904-01-22T02:13:46Z",
          "ms": -2081022373536.7324
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-01-21T02:57:52+03:26",
          "utc": "1904-01-20T23:31:52Z",
          "ms": -2081118488281.997
        },
        "end": {
          "local": "1904-01-22T05:39:46+03:26",
          "utc": "1904-01-22T02:13:46Z",
          "ms": -2081022373536.7324
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-01-20",
          "window": {
            "start": {
              "local": "1904-01-20T16:39:31+03:26",
              "utc": "1904-01-20T13:13:31Z",
              "ms": -2081155589470.8354
            },
            "end": {
              "local": "1904-01-20T18:31:12+03:26",
              "utc": "1904-01-20T15:05:12Z",
              "ms": -2081148888114.1235
            }
          },
          "covered_min": 0,
          "window_min": 112,
          "qualifies": false
        },
        {
          "local_date": "1904-01-21",
          "window": {
            "start": {
              "local": "1904-01-21T16:40:32+03:26",
              "utc": "1904-01-21T13:14:32Z",
              "ms": -2081069127583.8909
            },
            "end": {
              "local": "1904-01-21T18:32:02+03:26",
              "utc": "1904-01-21T15:06:02Z",
              "ms": -2081062438049.9868
            }
          },
          "covered_min": 111,
          "window_min": 111,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 02:57 on Thu 21 Jan to 05:39 on Fri 22 Jan.",
          "fact": "1904-01-20T23:31:52Z → 1904-01-22T02:13:46Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:39–18:30 on the 20th, 16:40–18:31 on the 21st.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during pradoṣa. It covers 0 of 112 minutes on the 20th and 111 of 111 on the 21st.",
          "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 30400 s"
        },
        {
          "step": "ruling",
          "text": "Tila Caturthī, Mashhad, 1904: Thursday 21 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "tila-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-01-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-01-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Tila Caturthī 1904 falls on Thursday 21 January. Caturthī runs from 02:57 on Thu 21 Jan to 05:39 on Fri 22 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/shri-panchami",
      "festival": "shri-panchami",
      "name": "Śrī Pañcamī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-01-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11193,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1904-01-22T05:39:46+03:26",
          "utc": "1904-01-22T02:13:46Z",
          "ms": -2081022373536.7324
        },
        "end": {
          "local": "1904-01-23T08:08:53+03:26",
          "utc": "1904-01-23T04:42:53Z",
          "ms": -2080927026580.78
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-01-22T05:39:46+03:26",
          "utc": "1904-01-22T02:13:46Z",
          "ms": -2081022373536.7324
        },
        "end": {
          "local": "1904-01-23T08:08:53+03:26",
          "utc": "1904-01-23T04:42:53Z",
          "ms": -2080927026580.78
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-01-22",
          "window": {
            "start": {
              "local": "1904-01-22T11:15:09+03:26",
              "utc": "1904-01-22T07:49:09Z",
              "ms": -2081002250704.4111
            },
            "end": {
              "local": "1904-01-22T12:03:09+03:26",
              "utc": "1904-01-22T08:37:09Z",
              "ms": -2080999370704.4111
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-01-23",
          "window": {
            "start": {
              "local": "1904-01-23T11:15:26+03:26",
              "utc": "1904-01-23T07:49:26Z",
              "ms": -2080915833749.829
            },
            "end": {
              "local": "1904-01-23T12:03:26+03:26",
              "utc": "1904-01-23T08:37:26Z",
              "ms": -2080912953749.829
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 05:39 on Fri 22 Jan to 08:08 on Sat 23 Jan.",
          "fact": "1904-01-22T02:13:46Z → 1904-01-23T04:42:53Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 22nd, 11:14–12:02 on the 23rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 11193 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Pañcamī, Mashhad, 1904: Friday 22 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shri-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-01-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-01-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śrī Pañcamī 1904 falls on Friday 22 January. Pañcamī runs from 05:39 on Fri 22 Jan to 08:08 on Sat 23 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/vasanta-panchami",
      "festival": "vasanta-panchami",
      "name": "Vasanta Pañcamī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-01-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11193,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1904-01-22T05:39:46+03:26",
          "utc": "1904-01-22T02:13:46Z",
          "ms": -2081022373536.7324
        },
        "end": {
          "local": "1904-01-23T08:08:53+03:26",
          "utc": "1904-01-23T04:42:53Z",
          "ms": -2080927026580.78
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-01-22T05:39:46+03:26",
          "utc": "1904-01-22T02:13:46Z",
          "ms": -2081022373536.7324
        },
        "end": {
          "local": "1904-01-23T08:08:53+03:26",
          "utc": "1904-01-23T04:42:53Z",
          "ms": -2080927026580.78
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-01-22",
          "window": {
            "start": {
              "local": "1904-01-22T11:15:09+03:26",
              "utc": "1904-01-22T07:49:09Z",
              "ms": -2081002250704.4111
            },
            "end": {
              "local": "1904-01-22T12:03:09+03:26",
              "utc": "1904-01-22T08:37:09Z",
              "ms": -2080999370704.4111
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-01-23",
          "window": {
            "start": {
              "local": "1904-01-23T11:15:26+03:26",
              "utc": "1904-01-23T07:49:26Z",
              "ms": -2080915833749.829
            },
            "end": {
              "local": "1904-01-23T12:03:26+03:26",
              "utc": "1904-01-23T08:37:26Z",
              "ms": -2080912953749.829
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 05:39 on Fri 22 Jan to 08:08 on Sat 23 Jan.",
          "fact": "1904-01-22T02:13:46Z → 1904-01-23T04:42:53Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 22nd, 11:14–12:02 on the 23rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 11193 s"
        },
        {
          "step": "ruling",
          "text": "Vasanta Pañcamī, Mashhad, 1904: Friday 22 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vasanta-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-01-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-01-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Vasanta Pañcamī 1904 falls on Friday 22 January. Pañcamī runs from 05:39 on Fri 22 Jan to 08:08 on Sat 23 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/ratha-saptami",
      "festival": "ratha-saptami",
      "name": "Ratha Saptamī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-01-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13031,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1904-01-24T10:12:56+03:26",
          "utc": "1904-01-24T06:46:56Z",
          "ms": -2080833183990.7456
        },
        "end": {
          "local": "1904-01-25T11:40:05+03:26",
          "utc": "1904-01-25T08:14:05Z",
          "ms": -2080741554636.9924
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-01-24T10:12:56+03:26",
          "utc": "1904-01-24T06:46:56Z",
          "ms": -2080833183990.7456
        },
        "end": {
          "local": "1904-01-25T11:40:05+03:26",
          "utc": "1904-01-25T08:14:05Z",
          "ms": -2080741554636.9924
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "1904-01-24",
          "window": {
            "start": {
              "local": "1904-01-24T04:44:40+03:26",
              "utc": "1904-01-24T01:18:40Z",
              "ms": -2080852880277.1538
            },
            "end": {
              "local": "1904-01-24T06:35:45+03:26",
              "utc": "1904-01-24T03:09:45Z",
              "ms": -2080846215280.9763
            }
          },
          "covered_min": 0,
          "window_min": 111,
          "qualifies": false
        },
        {
          "local_date": "1904-01-25",
          "window": {
            "start": {
              "local": "1904-01-25T04:44:20+03:26",
              "utc": "1904-01-25T01:18:20Z",
              "ms": -2080766499959.2957
            },
            "end": {
              "local": "1904-01-25T06:35:12+03:26",
              "utc": "1904-01-25T03:09:12Z",
              "ms": -2080759847661.1619
            }
          },
          "covered_min": 111,
          "window_min": 111,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 10:12 on Sun 24 Jan to 11:39 on Mon 25 Jan.",
          "fact": "1904-01-24T06:46:56Z → 1904-01-25T08:14:05Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:44–06:35 on the 24th, 04:43–06:34 on the 25th.",
          "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during aruṇodaya. It covers 0 of 111 minutes on the 24th and 111 of 111 on the 25th.",
          "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 13031 s"
        },
        {
          "step": "ruling",
          "text": "Ratha Saptamī, Mashhad, 1904: Monday 25 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ratha-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]."
          }
        ],
        "kaala": "arunodaya",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-01-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-01-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Ratha Saptamī 1904 falls on Monday 25 January. Saptamī runs from 10:12 on Sun 24 Jan to 11:39 on Mon 25 Jan and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/ekadashi?on=1904-01-29",
      "festival": "ekadashi",
      "name": "Jayā Ekādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-01-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9558,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1904-01-28T11:05:55+03:26",
          "utc": "1904-01-28T07:39:55Z",
          "ms": -2080484405086.6763
        },
        "end": {
          "local": "1904-01-29T09:12:03+03:26",
          "utc": "1904-01-29T05:46:03Z",
          "ms": -2080404837077.6658
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-01-28T11:05:55+03:26",
          "utc": "1904-01-28T07:39:55Z",
          "ms": -2080484405086.6763
        },
        "end": {
          "local": "1904-01-29T09:12:03+03:26",
          "utc": "1904-01-29T05:46:03Z",
          "ms": -2080404837077.6658
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-01-28",
          "window": {
            "start": {
              "local": "1904-01-28T06:33:24+03:26",
              "utc": "1904-01-28T03:07:24Z",
              "ms": -2080500755663.6306
            },
            "end": {
              "local": "1904-01-28T06:33:24+03:26",
              "utc": "1904-01-28T03:07:24Z",
              "ms": -2080500755663.6306
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1904-01-29",
          "window": {
            "start": {
              "local": "1904-01-29T06:32:45+03:26",
              "utc": "1904-01-29T03:06:45Z",
              "ms": -2080414395204.1223
            },
            "end": {
              "local": "1904-01-29T06:32:45+03:26",
              "utc": "1904-01-29T03:06:45Z",
              "ms": -2080414395204.1223
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 11:05 on Thu 28 Jan to 09:11 on Fri 29 Jan.",
          "fact": "1904-01-28T07:39:55Z → 1904-01-29T05:46:03Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:32 on the 28th and 06:32 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 9558 s"
        },
        {
          "step": "ruling",
          "text": "Jayā Ekādaśī, Mashhad, 1904: Friday 29 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": "1904-01-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-01-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Jayā Ekādaśī 1904 falls on Friday 29 January. Ekādaśī runs from 11:05 on Thu 28 Jan to 09:11 on Fri 29 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/ekadashi?on=1904-01-29",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/bhishma-dvadashi",
      "festival": "bhishma-dvadashi",
      "name": "Bhīṣma Dvādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-01-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7488,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1904-01-29T09:12:03+03:26",
          "utc": "1904-01-29T05:46:03Z",
          "ms": -2080404837077.6658
        },
        "end": {
          "local": "1904-01-30T06:34:50+03:26",
          "utc": "1904-01-30T03:08:50Z",
          "ms": -2080327870013.9353
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-01-29T09:12:03+03:26",
          "utc": "1904-01-29T05:46:03Z",
          "ms": -2080404837077.6658
        },
        "end": {
          "local": "1904-01-30T06:34:50+03:26",
          "utc": "1904-01-30T03:08:50Z",
          "ms": -2080327870013.9353
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-01-29",
          "window": {
            "start": {
              "local": "1904-01-29T11:16:51+03:26",
              "utc": "1904-01-29T07:50:51Z",
              "ms": -2080397349034.4722
            },
            "end": {
              "local": "1904-01-29T12:04:51+03:26",
              "utc": "1904-01-29T08:38:51Z",
              "ms": -2080394469034.4722
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-01-30",
          "window": {
            "start": {
              "local": "1904-01-30T11:17:02+03:26",
              "utc": "1904-01-30T07:51:02Z",
              "ms": -2080310937815.4766
            },
            "end": {
              "local": "1904-01-30T12:05:02+03:26",
              "utc": "1904-01-30T08:39:02Z",
              "ms": -2080308057815.4766
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 09:11 on Fri 29 Jan to 06:34 on Sat 30 Jan.",
          "fact": "1904-01-29T05:46:03Z → 1904-01-30T03:08:50Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:16–12:04 on the 29th, 11:16–12:04 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 7488 s"
        },
        {
          "step": "ruling",
          "text": "Bhīṣma Dvādaśī, Mashhad, 1904: Friday 29 January.",
          "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": "1904-01-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-01-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Bhīṣma Dvādaśī 1904 falls on Friday 29 January. Dvādaśī runs from 09:11 on Fri 29 Jan to 06:34 on Sat 30 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/pradosha-vrata?on=1904-01-30",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-01-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31420,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-01-30T06:34:50+03:26",
          "utc": "1904-01-30T03:08:50Z",
          "ms": -2080327870013.9353
        },
        "end": {
          "local": "1904-01-31T03:23:12+03:26",
          "utc": "1904-01-30T23:57:12Z",
          "ms": -2080252968076.5767
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-01-30T06:34:50+03:26",
          "utc": "1904-01-30T03:08:50Z",
          "ms": -2080327870013.9353
        },
        "end": {
          "local": "1904-01-31T03:23:12+03:26",
          "utc": "1904-01-30T23:57:12Z",
          "ms": -2080252968076.5767
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-01-29",
          "window": {
            "start": {
              "local": "1904-01-29T16:48:57+03:26",
              "utc": "1904-01-29T13:22:57Z",
              "ms": -2080377422864.822
            },
            "end": {
              "local": "1904-01-29T18:38:42+03:26",
              "utc": "1904-01-29T15:12:42Z",
              "ms": -2080370838012.1113
            }
          },
          "covered_min": 0,
          "window_min": 110,
          "qualifies": false
        },
        {
          "local_date": "1904-01-30",
          "window": {
            "start": {
              "local": "1904-01-30T16:50:01+03:26",
              "utc": "1904-01-30T13:24:01Z",
              "ms": -2080290959161.462
            },
            "end": {
              "local": "1904-01-30T18:39:31+03:26",
              "utc": "1904-01-30T15:13:31Z",
              "ms": -2080284388530.619
            }
          },
          "covered_min": 110,
          "window_min": 110,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 06:34 on Sat 30 Jan to 03:22 on Sun 31 Jan.",
          "fact": "1904-01-30T03:08:50Z → 1904-01-30T23:57:12Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:48–18:38 on the 29th, 16:49–18:39 on the 30th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 110 minutes on the 29th and 110 of 110 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 31420 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Mashhad, 1904: Saturday 30 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": "1904-01-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-01-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śukla Pradoṣa Vrata 1904 falls on Saturday 30 January. Trayodaśī runs from 06:34 on Sat 30 Jan to 03:22 on Sun 31 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/pradosha-vrata?on=1904-01-30",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/maghi-purnima",
      "festival": "maghi-purnima",
      "name": "Māghī Pūrṇimā",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-02-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28419,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1904-01-31T23:47:33+03:26",
          "utc": "1904-01-31T20:21:33Z",
          "ms": -2080179506774.7307
        },
        "end": {
          "local": "1904-02-01T19:59:02+03:26",
          "utc": "1904-02-01T16:33:02Z",
          "ms": -2080106818394.4094
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-01-31T23:47:33+03:26",
          "utc": "1904-01-31T20:21:33Z",
          "ms": -2080179506774.7307
        },
        "end": {
          "local": "1904-02-01T19:59:02+03:26",
          "utc": "1904-02-01T16:33:02Z",
          "ms": -2080106818394.4094
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-01-31",
          "window": {
            "start": {
              "local": "1904-01-31T11:17:13+03:26",
              "utc": "1904-01-31T07:51:13Z",
              "ms": -2080224527431.3137
            },
            "end": {
              "local": "1904-01-31T12:05:13+03:26",
              "utc": "1904-01-31T08:39:13Z",
              "ms": -2080221647431.3137
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-02-01",
          "window": {
            "start": {
              "local": "1904-02-01T11:17:22+03:26",
              "utc": "1904-02-01T07:51:22Z",
              "ms": -2080138117879.4014
            },
            "end": {
              "local": "1904-02-01T12:05:22+03:26",
              "utc": "1904-02-01T08:39:22Z",
              "ms": -2080135237879.4014
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 23:47 on Sun 31 Jan to 19:58 on Mon 1 Feb.",
          "fact": "1904-01-31T20:21:33Z → 1904-02-01T16:33:02Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:16–12:04 on the 31st, 11:16–12:04 on the 1st.",
          "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 31st and 48 of 48 on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 28419 s"
        },
        {
          "step": "ruling",
          "text": "Māghī Pūrṇimā, Mashhad, 1904: Monday 1 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": "1904-02-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-02-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Māghī Pūrṇimā 1904 falls on Monday 1 February. Pūrṇimā runs from 23:47 on Sun 31 Jan to 19:58 on Mon 1 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/sankashta-chaturthi?on=1904-02-04",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-02-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35569,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-02-04T09:06:50+03:26",
          "utc": "1904-02-04T05:40:50Z",
          "ms": -2079886749879.0234
        },
        "end": {
          "local": "1904-02-05T06:14:12+03:26",
          "utc": "1904-02-05T02:48:12Z",
          "ms": -2079810708164.468
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-02-04T09:06:50+03:26",
          "utc": "1904-02-04T05:40:50Z",
          "ms": -2079886749879.0234
        },
        "end": {
          "local": "1904-02-05T06:14:12+03:26",
          "utc": "1904-02-05T02:48:12Z",
          "ms": -2079810708164.468
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1904-02-03",
          "window": {
            "start": {
              "local": "1904-02-03T19:11:52+03:26",
              "utc": "1904-02-03T15:45:52Z",
              "ms": -2079936848267.575
            },
            "end": {
              "local": "1904-02-03T19:11:52+03:26",
              "utc": "1904-02-03T15:45:52Z",
              "ms": -2079936848267.575
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1904-02-04",
          "window": {
            "start": {
              "local": "1904-02-04T20:21:23+03:26",
              "utc": "1904-02-04T16:55:23Z",
              "ms": -2079846277198.1829
            },
            "end": {
              "local": "1904-02-04T20:21:23+03:26",
              "utc": "1904-02-04T16:55:23Z",
              "ms": -2079846277198.1829
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 09:06 on Thu 4 Feb to 06:13 on Fri 5 Feb.",
          "fact": "1904-02-04T05:40:50Z → 1904-02-05T02:48:12Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:11 on the 3rd and 20:20 on the 4th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 3rd and is on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 35569 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mashhad, 1904: Thursday 4 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-02-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-02-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1904 falls on Thursday 4 February. Caturthī runs from 09:06 on Thu 4 Feb to 06:13 on Fri 5 Feb and is current at moonrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/sankashta-chaturthi?on=1904-02-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/ekadashi?on=1904-02-11",
      "festival": "ekadashi",
      "name": "Vijayā Ekādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-02-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5388,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1904-02-11T03:09:33+03:26",
          "utc": "1904-02-10T23:43:33Z",
          "ms": -2079303387067.6309
        },
        "end": {
          "local": "1904-02-12T04:50:56+03:26",
          "utc": "1904-02-12T01:24:56Z",
          "ms": -2079210903667.1655
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-02-11T03:09:33+03:26",
          "utc": "1904-02-10T23:43:33Z",
          "ms": -2079303387067.6309
        },
        "end": {
          "local": "1904-02-12T04:50:56+03:26",
          "utc": "1904-02-12T01:24:56Z",
          "ms": -2079210903667.1655
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-02-11",
          "window": {
            "start": {
              "local": "1904-02-11T06:21:45+03:26",
              "utc": "1904-02-11T02:55:45Z",
              "ms": -2079291854666.5662
            },
            "end": {
              "local": "1904-02-11T06:21:45+03:26",
              "utc": "1904-02-11T02:55:45Z",
              "ms": -2079291854666.5662
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1904-02-12",
          "window": {
            "start": {
              "local": "1904-02-12T06:20:45+03:26",
              "utc": "1904-02-12T02:54:45Z",
              "ms": -2079205515458.8088
            },
            "end": {
              "local": "1904-02-12T06:20:45+03:26",
              "utc": "1904-02-12T02:54:45Z",
              "ms": -2079205515458.8088
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 03:09 on Thu 11 Feb to 04:50 on Fri 12 Feb.",
          "fact": "1904-02-10T23:43:33Z → 1904-02-12T01:24:56Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:21 on the 11th and 06:20 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 5388 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Ekādaśī, Mashhad, 1904: Thursday 11 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": "1904-02-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-02-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Vijayā Ekādaśī 1904 falls on Thursday 11 February. Ekādaśī runs from 03:09 on Thu 11 Feb to 04:50 on Fri 12 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/ekadashi?on=1904-02-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/pradosha-vrata?on=1904-02-13",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-02-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28054,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-02-13T06:56:00+03:26",
          "utc": "1904-02-13T03:30:00Z",
          "ms": -2079117000051.9575
        },
        "end": {
          "local": "1904-02-14T09:18:13+03:26",
          "utc": "1904-02-14T05:52:13Z",
          "ms": -2079022067116.2805
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-02-13T06:56:00+03:26",
          "utc": "1904-02-13T03:30:00Z",
          "ms": -2079117000051.9575
        },
        "end": {
          "local": "1904-02-14T09:18:13+03:26",
          "utc": "1904-02-14T05:52:13Z",
          "ms": -2079022067116.2805
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-02-13",
          "window": {
            "start": {
              "local": "1904-02-13T17:04:45+03:26",
              "utc": "1904-02-13T13:38:45Z",
              "ms": -2079080474672.488
            },
            "end": {
              "local": "1904-02-13T18:50:37+03:26",
              "utc": "1904-02-13T15:24:37Z",
              "ms": -2079074123497.4585
            }
          },
          "covered_min": 106,
          "window_min": 106,
          "qualifies": true
        },
        {
          "local_date": "1904-02-14",
          "window": {
            "start": {
              "local": "1904-02-14T17:05:47+03:26",
              "utc": "1904-02-14T13:39:47Z",
              "ms": -2078994012835.5251
            },
            "end": {
              "local": "1904-02-14T18:51:21+03:26",
              "utc": "1904-02-14T15:25:21Z",
              "ms": -2078987678511.9426
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 06:55 on Sat 13 Feb to 09:17 on Sun 14 Feb.",
          "fact": "1904-02-13T03:30:00Z → 1904-02-14T05:52:13Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:04–18:50 on the 13th, 17:05–18:50 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 106 of 106 minutes on the 13th and 0 of 106 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 28054 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1904: Saturday 13 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": "1904-02-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-02-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1904 falls on Saturday 13 February. Trayodaśī runs from 06:55 on Sat 13 Feb to 09:17 on Sun 14 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/pradosha-vrata?on=1904-02-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/maha-shivaratri",
      "festival": "maha-shivaratri",
      "name": "Mahāśivarātri",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-02-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33151,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1904-02-14T09:18:13+03:26",
          "utc": "1904-02-14T05:52:13Z",
          "ms": -2079022067116.2805
        },
        "end": {
          "local": "1904-02-15T11:51:36+03:26",
          "utc": "1904-02-15T08:25:36Z",
          "ms": -2078926464090.0112
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-02-14T09:18:13+03:26",
          "utc": "1904-02-14T05:52:13Z",
          "ms": -2079022067116.2805
        },
        "end": {
          "local": "1904-02-15T11:51:36+03:26",
          "utc": "1904-02-15T08:25:36Z",
          "ms": -2078926464090.0112
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1904-02-13",
          "window": {
            "start": {
              "local": "1904-02-13T23:17:42+03:26",
              "utc": "1904-02-13T19:51:42Z",
              "ms": -2079058097766.127
            },
            "end": {
              "local": "1904-02-14T00:05:42+03:26",
              "utc": "1904-02-13T20:39:42Z",
              "ms": -2079055217766.127
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-02-14",
          "window": {
            "start": {
              "local": "1904-02-14T23:17:41+03:26",
              "utc": "1904-02-14T19:51:41Z",
              "ms": -2078971699122.0908
            },
            "end": {
              "local": "1904-02-15T00:05:41+03:26",
              "utc": "1904-02-14T20:39:41Z",
              "ms": -2078968819122.0908
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 09:17 on Sun 14 Feb to 11:51 on Mon 15 Feb.",
          "fact": "1904-02-14T05:52:13Z → 1904-02-15T08:25:36Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:17–00:05 on the 13th, 23:17–00:05 on the 14th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: disputed → only-day · margin 33151 s"
        },
        {
          "step": "ruling",
          "text": "Mahāśivarātri, Mashhad, 1904: Sunday 14 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "maha-shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day"
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "disputed",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-02-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-02-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Mahāśivarātri 1904 falls on Sunday 14 February. Caturdaśī runs from 09:17 on Sun 14 Feb to 11:51 on Mon 15 Feb and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/vinayaka-chaturthi?on=1904-02-20",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-02-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35839,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-02-19T22:03:18+03:26",
          "utc": "1904-02-19T18:37:18Z",
          "ms": -2078544162254.096
        },
        "end": {
          "local": "1904-02-21T00:03:18+03:26",
          "utc": "1904-02-20T20:37:18Z",
          "ms": -2078450561869.3438
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-02-19T22:03:18+03:26",
          "utc": "1904-02-19T18:37:18Z",
          "ms": -2078544162254.096
        },
        "end": {
          "local": "1904-02-21T00:03:18+03:26",
          "utc": "1904-02-20T20:37:18Z",
          "ms": -2078450561869.3438
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-02-19",
          "window": {
            "start": {
              "local": "1904-02-19T11:17:58+03:26",
              "utc": "1904-02-19T07:51:58Z",
              "ms": -2078582881646.5615
            },
            "end": {
              "local": "1904-02-19T12:05:58+03:26",
              "utc": "1904-02-19T08:39:58Z",
              "ms": -2078580001646.5615
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-02-20",
          "window": {
            "start": {
              "local": "1904-02-20T11:17:53+03:26",
              "utc": "1904-02-20T07:51:53Z",
              "ms": -2078496486758.2866
            },
            "end": {
              "local": "1904-02-20T12:05:53+03:26",
              "utc": "1904-02-20T08:39:53Z",
              "ms": -2078493606758.2866
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 22:02 on Fri 19 Feb to 00:02 on Sun 21 Feb.",
          "fact": "1904-02-19T18:37:18Z → 1904-02-20T20:37:18Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:17–12:05 on the 19th, 11:17–12:05 on the 20th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 35839 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Mashhad, 1904: Saturday 20 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-02-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-02-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Vināyaka Caturthī 1904 falls on Saturday 20 February. Caturthī runs from 22:02 on Fri 19 Feb to 00:02 on Sun 21 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/vinayaka-chaturthi?on=1904-02-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/ekadashi?on=1904-02-27",
      "festival": "ekadashi",
      "name": "Āmalakī Ekādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-02-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25644,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1904-02-26T22:55:52+03:26",
          "utc": "1904-02-26T19:29:52Z",
          "ms": -2077936207985.074
        },
        "end": {
          "local": "1904-02-27T20:18:04+03:26",
          "utc": "1904-02-27T16:52:04Z",
          "ms": -2077859275648.7263
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-02-26T22:55:52+03:26",
          "utc": "1904-02-26T19:29:52Z",
          "ms": -2077936207985.074
        },
        "end": {
          "local": "1904-02-27T20:18:04+03:26",
          "utc": "1904-02-27T16:52:04Z",
          "ms": -2077859275648.7263
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-02-27",
          "window": {
            "start": {
              "local": "1904-02-27T06:03:16+03:26",
              "utc": "1904-02-27T02:37:16Z",
              "ms": -2077910564433.0437
            },
            "end": {
              "local": "1904-02-27T06:03:16+03:26",
              "utc": "1904-02-27T02:37:16Z",
              "ms": -2077910564433.0437
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1904-02-28",
          "window": {
            "start": {
              "local": "1904-02-28T06:01:58+03:26",
              "utc": "1904-02-28T02:35:58Z",
              "ms": -2077824242119.5703
            },
            "end": {
              "local": "1904-02-28T06:01:58+03:26",
              "utc": "1904-02-28T02:35:58Z",
              "ms": -2077824242119.5703
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 22:55 on Fri 26 Feb to 20:17 on Sat 27 Feb.",
          "fact": "1904-02-26T19:29:52Z → 1904-02-27T16:52:04Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:02 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 25644 s"
        },
        {
          "step": "ruling",
          "text": "Āmalakī Ekādaśī, Mashhad, 1904: Saturday 27 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": "1904-02-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-02-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Āmalakī Ekādaśī 1904 falls on Saturday 27 February. Ekādaśī runs from 22:55 on Fri 26 Feb to 20:17 on Sat 27 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/ekadashi?on=1904-02-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/pradosha-vrata?on=1904-02-28",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-02-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 589,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-02-28T17:09:50+03:26",
          "utc": "1904-02-28T13:43:50Z",
          "ms": -2077784169907.4084
        },
        "end": {
          "local": "1904-02-29T13:39:56+03:26",
          "utc": "1904-02-29T10:13:56Z",
          "ms": -2077710364485.2847
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-02-28T17:09:50+03:26",
          "utc": "1904-02-28T13:43:50Z",
          "ms": -2077784169907.4084
        },
        "end": {
          "local": "1904-02-29T13:39:56+03:26",
          "utc": "1904-02-29T10:13:56Z",
          "ms": -2077710364485.2847
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-02-28",
          "window": {
            "start": {
              "local": "1904-02-28T17:19:39+03:26",
              "utc": "1904-02-28T13:53:39Z",
              "ms": -2077783580821.261
            },
            "end": {
              "local": "1904-02-28T19:01:07+03:26",
              "utc": "1904-02-28T15:35:07Z",
              "ms": -2077777492790.7415
            }
          },
          "covered_min": 101,
          "window_min": 101,
          "qualifies": true
        },
        {
          "local_date": "1904-02-29",
          "window": {
            "start": {
              "local": "1904-02-29T17:20:36+03:26",
              "utc": "1904-02-29T13:54:36Z",
              "ms": -2077697124008.6877
            },
            "end": {
              "local": "1904-02-29T19:01:46+03:26",
              "utc": "1904-02-29T15:35:46Z",
              "ms": -2077691054116.3745
            }
          },
          "covered_min": 0,
          "window_min": 101,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 17:09 on Sun 28 Feb to 13:39 on Mon 29 Feb.",
          "fact": "1904-02-28T13:43:50Z → 1904-02-29T10:13:56Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:19–19:00 on the 28th, 17:20–19:01 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 101 of 101 minutes on the 28th and 0 of 101 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 589 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Mashhad, 1904: Sunday 28 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": "1904-02-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-02-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śukla Pradoṣa Vrata 1904 falls on Sunday 28 February. Trayodaśī runs from 17:09 on Sun 28 Feb to 13:39 on Mon 29 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/pradosha-vrata?on=1904-02-28",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/holika-dahana",
      "festival": "holika-dahana",
      "name": "Holikā Dahana",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-03-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18425,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1904-03-01T09:58:01+03:26",
          "utc": "1904-03-01T06:32:01Z",
          "ms": -2077637278794.3064
        },
        "end": {
          "local": "1904-03-02T06:14:15+03:26",
          "utc": "1904-03-02T02:48:15Z",
          "ms": -2077564304864.3875
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-03-01T09:58:01+03:26",
          "utc": "1904-03-01T06:32:01Z",
          "ms": -2077637278794.3064
        },
        "end": {
          "local": "1904-03-02T06:14:15+03:26",
          "utc": "1904-03-02T02:48:15Z",
          "ms": -2077564304864.3875
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "1904-03-01",
          "window": {
            "start": {
              "local": "1904-03-01T15:05:06+03:26",
              "utc": "1904-03-01T11:39:06Z",
              "ms": -2077618853989.9285
            },
            "end": {
              "local": "1904-03-01T17:21:32+03:26",
              "utc": "1904-03-01T13:55:32Z",
              "ms": -2077610667533.326
            }
          },
          "covered_min": 136,
          "window_min": 136,
          "qualifies": true
        },
        {
          "local_date": "1904-03-02",
          "window": {
            "start": {
              "local": "1904-03-02T15:05:35+03:26",
              "utc": "1904-03-02T11:39:35Z",
              "ms": -2077532425058.5042
            },
            "end": {
              "local": "1904-03-02T17:22:29+03:26",
              "utc": "1904-03-02T13:56:29Z",
              "ms": -2077524211384.115
            }
          },
          "covered_min": 0,
          "window_min": 137,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 09:57 on Tue 1 Mar to 06:13 on Wed 2 Mar.",
          "fact": "1904-03-01T06:32:01Z → 1904-03-02T02:48:15Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:04–17:21 on the 1st, 15:05–17:21 on the 2nd.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 136 of 136 minutes on the 1st and 0 of 137 on the 2nd.",
          "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 18425 s"
        },
        {
          "step": "ruling",
          "text": "Holikā Dahana, Mashhad, 1904: Tuesday 1 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": "1904-03-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-03-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Holikā Dahana 1904 falls on Tuesday 1 March. Pūrṇimā runs from 09:57 on Tue 1 Mar to 06:13 on Wed 2 Mar and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/holi",
      "festival": "holi",
      "name": "Holī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-03-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18425,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1904-03-01T09:58:01+03:26",
          "utc": "1904-03-01T06:32:01Z",
          "ms": -2077637278794.3064
        },
        "end": {
          "local": "1904-03-02T06:14:15+03:26",
          "utc": "1904-03-02T02:48:15Z",
          "ms": -2077564304864.3875
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-03-01T09:58:01+03:26",
          "utc": "1904-03-01T06:32:01Z",
          "ms": -2077637278794.3064
        },
        "end": {
          "local": "1904-03-02T06:14:15+03:26",
          "utc": "1904-03-02T02:48:15Z",
          "ms": -2077564304864.3875
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "1904-03-01",
          "window": {
            "start": {
              "local": "1904-03-01T15:05:06+03:26",
              "utc": "1904-03-01T11:39:06Z",
              "ms": -2077618853989.9285
            },
            "end": {
              "local": "1904-03-01T17:21:32+03:26",
              "utc": "1904-03-01T13:55:32Z",
              "ms": -2077610667533.326
            }
          },
          "covered_min": 136,
          "window_min": 136,
          "qualifies": true
        },
        {
          "local_date": "1904-03-02",
          "window": {
            "start": {
              "local": "1904-03-02T15:05:35+03:26",
              "utc": "1904-03-02T11:39:35Z",
              "ms": -2077532425058.5042
            },
            "end": {
              "local": "1904-03-02T17:22:29+03:26",
              "utc": "1904-03-02T13:56:29Z",
              "ms": -2077524211384.115
            }
          },
          "covered_min": 0,
          "window_min": 137,
          "qualifies": false
        }
      ],
      "follows": {
        "festival": "holika-dahana",
        "name": "Holikā Dahana",
        "local_date": "1904-03-01",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 09:57 on Tue 1 Mar to 06:13 on Wed 2 Mar.",
          "fact": "1904-03-01T06:32:01Z → 1904-03-02T02:48:15Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:04–17:21 on the 1st, 15:05–17:21 on the 2nd.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 136 of 136 minutes on the 1st and 0 of 137 on the 2nd.",
          "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 18425 s"
        },
        {
          "step": "counted",
          "text": "Holī is kept the day after Holikā Dahana: Tuesday 1 March is the day taken above.",
          "fact": "follows: holika-dahana + 1 d"
        },
        {
          "step": "ruling",
          "text": "Holī, Mashhad, 1904: Wednesday 2 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": "1904-03-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-03-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Holī 1904 falls on Wednesday 2 March. It is kept the day after Holikā Dahana, which falls on Tuesday 1 March. Pūrṇimā runs from 09:57 on Tue 1 Mar to 06:13 on Wed 2 Mar and covers all of sāyāhna on the 1st.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/vasantotsava",
      "festival": "vasantotsava",
      "name": "Vasantotsava",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-03-02",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 975,
      "anga": {
        "type": "tithi",
        "index": 15,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1904-03-02T06:14:15+03:26",
          "utc": "1904-03-02T02:48:15Z",
          "ms": -2077564304864.3875
        },
        "end": {
          "local": "1904-03-03T02:38:50+03:26",
          "utc": "1904-03-02T23:12:50Z",
          "ms": -2077490829550.796
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-03-02T06:14:15+03:26",
          "utc": "1904-03-02T02:48:15Z",
          "ms": -2077564304864.3875
        },
        "end": {
          "local": "1904-03-03T02:38:50+03:26",
          "utc": "1904-03-02T23:12:50Z",
          "ms": -2077490829550.796
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-03-02",
          "window": {
            "start": {
              "local": "1904-03-02T05:58:00+03:26",
              "utc": "1904-03-02T02:32:00Z",
              "ms": -2077565279756.0605
            },
            "end": {
              "local": "1904-03-02T05:58:00+03:26",
              "utc": "1904-03-02T02:32:00Z",
              "ms": -2077565279756.0605
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1904-03-03",
          "window": {
            "start": {
              "local": "1904-03-03T05:56:40+03:26",
              "utc": "1904-03-03T02:30:40Z",
              "ms": -2077478960376.0308
            },
            "end": {
              "local": "1904-03-03T05:56:40+03:26",
              "utc": "1904-03-03T02:30:40Z",
              "ms": -2077478960376.0308
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 06:13 on Wed 2 Mar to 02:38 on Thu 3 Mar.",
          "fact": "1904-03-02T02:48:15Z → 1904-03-02T23:12:50Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:57 on the 2nd and 05:56 on the 3rd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be current at sunrise. It is not 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": "Neither sunrise qualifies. The day the tithi falls on is taken.",
          "fact": "priority: purvaviddha → tithi-day · margin 975 s"
        },
        {
          "step": "ruling",
          "text": "Vasantotsava, Mashhad, 1904: Wednesday 2 March.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "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": "1904-03-02",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-03-02",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mashhad, Vasantotsava 1904 falls on Wednesday 2 March. Pratipadā runs from 06:13 on Wed 2 Mar to 02:38 on Thu 3 Mar, and is current at sunrise on neither day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/sankashta-chaturthi?on=1904-03-04",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-03-04",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 1087,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-03-04T20:32:19+03:26",
          "utc": "1904-03-04T17:06:19Z",
          "ms": -2077340021293.1665
        },
        "end": {
          "local": "1904-03-05T18:18:46+03:26",
          "utc": "1904-03-05T14:52:46Z",
          "ms": -2077261633644.799
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-03-04T20:32:19+03:26",
          "utc": "1904-03-04T17:06:19Z",
          "ms": -2077340021293.1665
        },
        "end": {
          "local": "1904-03-05T18:18:46+03:26",
          "utc": "1904-03-05T14:52:46Z",
          "ms": -2077261633644.799
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1904-03-04",
          "window": {
            "start": {
              "local": "1904-03-04T20:14:12+03:26",
              "utc": "1904-03-04T16:48:12Z",
              "ms": -2077341107955.39
            },
            "end": {
              "local": "1904-03-04T20:14:12+03:26",
              "utc": "1904-03-04T16:48:12Z",
              "ms": -2077341107955.39
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1904-03-05",
          "window": {
            "start": {
              "local": "1904-03-05T21:20:21+03:26",
              "utc": "1904-03-05T17:54:21Z",
              "ms": -2077250738720.177
            },
            "end": {
              "local": "1904-03-05T21:20:21+03:26",
              "utc": "1904-03-05T17:54:21Z",
              "ms": -2077250738720.177
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 20:31 on Fri 4 Mar to 18:18 on Sat 5 Mar.",
          "fact": "1904-03-04T17:06:19Z → 1904-03-05T14:52:46Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:13 on the 4th and 21:19 on the 5th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 4th and is not on the 5th.",
          "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 1087 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mashhad, 1904: Friday 4 March.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-03-04",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-03-04",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1904 falls on Friday 4 March. Caturthī runs from 20:31 on Fri 4 Mar to 18:18 on Sat 5 Mar, and is current at moonrise on neither day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/sankashta-chaturthi?on=1904-03-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/shitalashtami",
      "festival": "shitalashtami",
      "name": "Śītalāṣṭamī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-03-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14657,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1904-03-08T16:07:11+03:26",
          "utc": "1904-03-08T12:41:11Z",
          "ms": -2077010329079.0723
        },
        "end": {
          "local": "1904-03-09T16:56:59+03:26",
          "utc": "1904-03-09T13:30:59Z",
          "ms": -2076920940555.118
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-03-08T16:07:11+03:26",
          "utc": "1904-03-08T12:41:11Z",
          "ms": -2077010329079.0723
        },
        "end": {
          "local": "1904-03-09T16:56:59+03:26",
          "utc": "1904-03-09T13:30:59Z",
          "ms": -2076920940555.118
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-03-08",
          "window": {
            "start": {
              "local": "1904-03-08T11:14:53+03:26",
              "utc": "1904-03-08T07:48:53Z",
              "ms": -2077027866569.3752
            },
            "end": {
              "local": "1904-03-08T12:02:53+03:26",
              "utc": "1904-03-08T08:36:53Z",
              "ms": -2077024986569.3752
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-03-09",
          "window": {
            "start": {
              "local": "1904-03-09T11:14:39+03:26",
              "utc": "1904-03-09T07:48:39Z",
              "ms": -2076941481468.9226
            },
            "end": {
              "local": "1904-03-09T12:02:39+03:26",
              "utc": "1904-03-09T08:36:39Z",
              "ms": -2076938601468.9226
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 16:06 on Tue 8 Mar to 16:56 on Wed 9 Mar.",
          "fact": "1904-03-08T12:41:11Z → 1904-03-09T13:30:59Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 8th, 11:14–12:02 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 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. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 14657 s"
        },
        {
          "step": "ruling",
          "text": "Śītalāṣṭamī, Mashhad, 1904: Wednesday 9 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": "1904-03-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-03-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śītalāṣṭamī 1904 falls on Wednesday 9 March. Aṣṭamī runs from 16:06 on Tue 8 Mar to 16:56 on Wed 9 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/ekadashi?on=1904-03-12",
      "festival": "ekadashi",
      "name": "Pāpamocanī Ekādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-03-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24431,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1904-03-11T20:30:17+03:26",
          "utc": "1904-03-11T17:04:17Z",
          "ms": -2076735343326.1917
        },
        "end": {
          "local": "1904-03-12T22:55:33+03:26",
          "utc": "1904-03-12T19:29:33Z",
          "ms": -2076640227302.8042
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-03-11T20:30:17+03:26",
          "utc": "1904-03-11T17:04:17Z",
          "ms": -2076735343326.1917
        },
        "end": {
          "local": "1904-03-12T22:55:33+03:26",
          "utc": "1904-03-12T19:29:33Z",
          "ms": -2076640227302.8042
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-03-12",
          "window": {
            "start": {
              "local": "1904-03-12T05:44:09+03:26",
              "utc": "1904-03-12T02:18:09Z",
              "ms": -2076702110961.499
            },
            "end": {
              "local": "1904-03-12T05:44:09+03:26",
              "utc": "1904-03-12T02:18:09Z",
              "ms": -2076702110961.499
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1904-03-13",
          "window": {
            "start": {
              "local": "1904-03-13T05:42:43+03:26",
              "utc": "1904-03-13T02:16:43Z",
              "ms": -2076615796555.8875
            },
            "end": {
              "local": "1904-03-13T05:42:43+03:26",
              "utc": "1904-03-13T02:16:43Z",
              "ms": -2076615796555.8875
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 20:29 on Fri 11 Mar to 22:55 on Sat 12 Mar.",
          "fact": "1904-03-11T17:04:17Z → 1904-03-12T19:29:33Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:43 on the 12th and 05:42 on the 13th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 12th and is not on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 24431 s"
        },
        {
          "step": "ruling",
          "text": "Pāpamocanī Ekādaśī, Mashhad, 1904: Saturday 12 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": "1904-03-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-03-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Pāpamocanī Ekādaśī 1904 falls on Saturday 12 March. Ekādaśī runs from 20:29 on Fri 11 Mar to 22:55 on Sat 12 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/ekadashi?on=1904-03-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/pradosha-vrata?on=1904-03-14",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-03-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22987,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-03-14T01:32:45+03:26",
          "utc": "1904-03-13T22:06:45Z",
          "ms": -2076544394767.3896
        },
        "end": {
          "local": "1904-03-15T04:12:05+03:26",
          "utc": "1904-03-15T00:46:05Z",
          "ms": -2076448434569.711
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-03-14T01:32:45+03:26",
          "utc": "1904-03-13T22:06:45Z",
          "ms": -2076544394767.3896
        },
        "end": {
          "local": "1904-03-15T04:12:05+03:26",
          "utc": "1904-03-15T00:46:05Z",
          "ms": -2076448434569.711
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-03-13",
          "window": {
            "start": {
              "local": "1904-03-13T17:32:28+03:26",
              "utc": "1904-03-13T14:06:28Z",
              "ms": -2076573212126.6553
            },
            "end": {
              "local": "1904-03-13T19:09:38+03:26",
              "utc": "1904-03-13T15:43:38Z",
              "ms": -2076567381507.125
            }
          },
          "covered_min": 0,
          "window_min": 97,
          "qualifies": false
        },
        {
          "local_date": "1904-03-14",
          "window": {
            "start": {
              "local": "1904-03-14T17:33:21+03:26",
              "utc": "1904-03-14T14:07:21Z",
              "ms": -2076486759091.6753
            },
            "end": {
              "local": "1904-03-14T19:10:13+03:26",
              "utc": "1904-03-14T15:44:13Z",
              "ms": -2076480947040.2578
            }
          },
          "covered_min": 97,
          "window_min": 97,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 01:32 on Mon 14 Mar to 04:11 on Tue 15 Mar.",
          "fact": "1904-03-13T22:06:45Z → 1904-03-15T00:46:05Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:31–19:09 on the 13th, 17:32–19:09 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 0 of 97 minutes on the 13th and 97 of 97 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 22987 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1904: Monday 14 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": "1904-03-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-03-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1904 falls on Monday 14 March. Trayodaśī runs from 01:32 on Mon 14 Mar to 04:11 on Tue 15 Mar and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/pradosha-vrata?on=1904-03-14",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/shivaratri?on=1904-03-15",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-03-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15089,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1904-03-15T04:12:05+03:26",
          "utc": "1904-03-15T00:46:05Z",
          "ms": -2076448434569.711
        },
        "end": {
          "local": "1904-03-16T06:45:09+03:26",
          "utc": "1904-03-16T03:19:09Z",
          "ms": -2076352851426.1453
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-03-15T04:12:05+03:26",
          "utc": "1904-03-15T00:46:05Z",
          "ms": -2076448434569.711
        },
        "end": {
          "local": "1904-03-16T06:45:09+03:26",
          "utc": "1904-03-16T03:19:09Z",
          "ms": -2076352851426.1453
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1904-03-14",
          "window": {
            "start": {
              "local": "1904-03-14T23:12:36+03:26",
              "utc": "1904-03-14T19:46:36Z",
              "ms": -2076466403898.8596
            },
            "end": {
              "local": "1904-03-15T00:00:36+03:26",
              "utc": "1904-03-14T20:34:36Z",
              "ms": -2076463523898.8596
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-03-15",
          "window": {
            "start": {
              "local": "1904-03-15T23:12:19+03:26",
              "utc": "1904-03-15T19:46:19Z",
              "ms": -2076380020735.0654
            },
            "end": {
              "local": "1904-03-16T00:00:19+03:26",
              "utc": "1904-03-15T20:34:19Z",
              "ms": -2076377140735.0654
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 04:11 on Tue 15 Mar to 06:44 on Wed 16 Mar.",
          "fact": "1904-03-15T00:46:05Z → 1904-03-16T03:19:09Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:12–00:00 on the 14th, 23:11–23:59 on the 15th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 15089 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Mashhad, 1904: Tuesday 15 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-03-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-03-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śivarātri 1904 falls on Tuesday 15 March. Caturdaśī runs from 04:11 on Tue 15 Mar to 06:44 on Wed 16 Mar and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/shivaratri?on=1904-03-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/navaratra-arambha-caitra",
      "festival": "navaratra-arambha-caitra",
      "name": "Navarātrārambha (Caitra)",
      "everyday": "Chaitra Navratri",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-03-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 324,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1904-03-17T09:05:08+03:26",
          "utc": "1904-03-17T05:39:08Z",
          "ms": -2076258051613.4646
        },
        "end": {
          "local": "1904-03-18T11:06:47+03:26",
          "utc": "1904-03-18T07:40:47Z",
          "ms": -2076164352776.9155
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-03-17T09:05:08+03:26",
          "utc": "1904-03-17T05:39:08Z",
          "ms": -2076258051613.4646
        },
        "end": {
          "local": "1904-03-18T11:06:47+03:26",
          "utc": "1904-03-18T07:40:47Z",
          "ms": -2076164352776.9155
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-03-17",
          "window": {
            "start": {
              "local": "1904-03-17T11:12:28+03:26",
              "utc": "1904-03-17T07:46:28Z",
              "ms": -2076250411578.253
            },
            "end": {
              "local": "1904-03-17T12:00:28+03:26",
              "utc": "1904-03-17T08:34:28Z",
              "ms": -2076247531578.253
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-03-18",
          "window": {
            "start": {
              "local": "1904-03-18T11:12:11+03:26",
              "utc": "1904-03-18T07:46:11Z",
              "ms": -2076164028937.135
            },
            "end": {
              "local": "1904-03-18T12:00:11+03:26",
              "utc": "1904-03-18T08:34:11Z",
              "ms": -2076161148937.135
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 09:04 on Thu 17 Mar to 11:06 on Fri 18 Mar.",
          "fact": "1904-03-17T05:39:08Z → 1904-03-18T07:40:47Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:11–11:59 on the 17th, 11:11–11:59 on the 18th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 324 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha (Caitra), Mashhad, 1904: Thursday 17 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "navaratra-arambha-caitra",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Navaratrarambha (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-03-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-03-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Navarātrārambha (Caitra) (Chaitra Navratri) 1904 falls on Thursday 17 March. Pratipadā runs from 09:04 on Thu 17 Mar to 11:06 on Fri 18 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/gauri-tritiya",
      "festival": "gauri-tritiya",
      "name": "Gaurī Tṛtīyā",
      "everyday": "Gangaur",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-03-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2761,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1904-03-19T12:45:54+03:26",
          "utc": "1904-03-19T09:19:54Z",
          "ms": -2076072005950.7278
        },
        "end": {
          "local": "1904-03-20T13:59:02+03:26",
          "utc": "1904-03-20T10:33:02Z",
          "ms": -2075981217638.1904
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-03-19T12:45:54+03:26",
          "utc": "1904-03-19T09:19:54Z",
          "ms": -2076072005950.7278
        },
        "end": {
          "local": "1904-03-20T13:59:02+03:26",
          "utc": "1904-03-20T10:33:02Z",
          "ms": -2075981217638.1904
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-03-19",
          "window": {
            "start": {
              "local": "1904-03-19T11:11:54+03:26",
              "utc": "1904-03-19T07:45:54Z",
              "ms": -2076077646481.3591
            },
            "end": {
              "local": "1904-03-19T11:59:54+03:26",
              "utc": "1904-03-19T08:33:54Z",
              "ms": -2076074766481.3591
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-03-20",
          "window": {
            "start": {
              "local": "1904-03-20T11:11:36+03:26",
              "utc": "1904-03-20T07:45:36Z",
              "ms": -2075991264193.7468
            },
            "end": {
              "local": "1904-03-20T11:59:36+03:26",
              "utc": "1904-03-20T08:33:36Z",
              "ms": -2075988384193.7468
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 12:45 on Sat 19 Mar to 13:58 on Sun 20 Mar.",
          "fact": "1904-03-19T09:19:54Z → 1904-03-20T10:33:02Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:11–11:59 on the 19th, 11:11–11:59 on the 20th.",
          "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 19th and 48 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: unstated → only-day · margin 2761 s"
        },
        {
          "step": "ruling",
          "text": "Gaurī Tṛtīyā, Mashhad, 1904: Sunday 20 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "gauri-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-03-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-03-20",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mashhad, Gaurī Tṛtīyā (Gangaur) 1904 falls on Sunday 20 March. Tṛtīyā runs from 12:45 on Sat 19 Mar to 13:58 on Sun 20 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/saubhagya-shayana-vrata",
      "festival": "saubhagya-shayana-vrata",
      "name": "Saubhāgya Śayana Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-03-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2761,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1904-03-19T12:45:54+03:26",
          "utc": "1904-03-19T09:19:54Z",
          "ms": -2076072005950.7278
        },
        "end": {
          "local": "1904-03-20T13:59:02+03:26",
          "utc": "1904-03-20T10:33:02Z",
          "ms": -2075981217638.1904
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-03-19T12:45:54+03:26",
          "utc": "1904-03-19T09:19:54Z",
          "ms": -2076072005950.7278
        },
        "end": {
          "local": "1904-03-20T13:59:02+03:26",
          "utc": "1904-03-20T10:33:02Z",
          "ms": -2075981217638.1904
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-03-19",
          "window": {
            "start": {
              "local": "1904-03-19T11:11:54+03:26",
              "utc": "1904-03-19T07:45:54Z",
              "ms": -2076077646481.3591
            },
            "end": {
              "local": "1904-03-19T11:59:54+03:26",
              "utc": "1904-03-19T08:33:54Z",
              "ms": -2076074766481.3591
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-03-20",
          "window": {
            "start": {
              "local": "1904-03-20T11:11:36+03:26",
              "utc": "1904-03-20T07:45:36Z",
              "ms": -2075991264193.7468
            },
            "end": {
              "local": "1904-03-20T11:59:36+03:26",
              "utc": "1904-03-20T08:33:36Z",
              "ms": -2075988384193.7468
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 12:45 on Sat 19 Mar to 13:58 on Sun 20 Mar.",
          "fact": "1904-03-19T09:19:54Z → 1904-03-20T10:33:02Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:11–11:59 on the 19th, 11:11–11:59 on the 20th.",
          "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 19th and 48 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 2761 s"
        },
        {
          "step": "ruling",
          "text": "Saubhāgya Śayana Vrata, Mashhad, 1904: Sunday 20 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "saubhagya-shayana-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-03-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-03-20",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mashhad, Saubhāgya Śayana Vrata 1904 falls on Sunday 20 March. Tṛtīyā runs from 12:45 on Sat 19 Mar to 13:58 on Sun 20 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/vinayaka-chaturthi?on=1904-03-21",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-03-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7167,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-03-20T13:59:02+03:26",
          "utc": "1904-03-20T10:33:02Z",
          "ms": -2075981217638.1904
        },
        "end": {
          "local": "1904-03-21T14:43:17+03:26",
          "utc": "1904-03-21T11:17:17Z",
          "ms": -2075892163207.857
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-03-20T13:59:02+03:26",
          "utc": "1904-03-20T10:33:02Z",
          "ms": -2075981217638.1904
        },
        "end": {
          "local": "1904-03-21T14:43:17+03:26",
          "utc": "1904-03-21T11:17:17Z",
          "ms": -2075892163207.857
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-03-20",
          "window": {
            "start": {
              "local": "1904-03-20T11:11:36+03:26",
              "utc": "1904-03-20T07:45:36Z",
              "ms": -2075991264193.7468
            },
            "end": {
              "local": "1904-03-20T11:59:36+03:26",
              "utc": "1904-03-20T08:33:36Z",
              "ms": -2075988384193.7468
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-03-21",
          "window": {
            "start": {
              "local": "1904-03-21T11:11:18+03:26",
              "utc": "1904-03-21T07:45:18Z",
              "ms": -2075904882057.0354
            },
            "end": {
              "local": "1904-03-21T11:59:18+03:26",
              "utc": "1904-03-21T08:33:18Z",
              "ms": -2075902002057.0354
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 13:58 on Sun 20 Mar to 14:42 on Mon 21 Mar.",
          "fact": "1904-03-20T10:33:02Z → 1904-03-21T11:17:17Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:11–11:59 on the 20th, 11:10–11:58 on the 21st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 7167 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Mashhad, 1904: Monday 21 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": "1904-03-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-03-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Vināyaka Caturthī 1904 falls on Monday 21 March. Caturthī runs from 13:58 on Sun 20 Mar to 14:42 on Mon 21 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/vinayaka-chaturthi?on=1904-03-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/lakshmi-panchami",
      "festival": "lakshmi-panchami",
      "name": "Lakṣmī Pañcamī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-03-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9839,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1904-03-21T14:43:17+03:26",
          "utc": "1904-03-21T11:17:17Z",
          "ms": -2075892163207.857
        },
        "end": {
          "local": "1904-03-22T14:56:12+03:26",
          "utc": "1904-03-22T11:30:12Z",
          "ms": -2075804987770.7002
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-03-21T14:43:17+03:26",
          "utc": "1904-03-21T11:17:17Z",
          "ms": -2075892163207.857
        },
        "end": {
          "local": "1904-03-22T14:56:12+03:26",
          "utc": "1904-03-22T11:30:12Z",
          "ms": -2075804987770.7002
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-03-21",
          "window": {
            "start": {
              "local": "1904-03-21T11:11:18+03:26",
              "utc": "1904-03-21T07:45:18Z",
              "ms": -2075904882057.0354
            },
            "end": {
              "local": "1904-03-21T11:59:18+03:26",
              "utc": "1904-03-21T08:33:18Z",
              "ms": -2075902002057.0354
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-03-22",
          "window": {
            "start": {
              "local": "1904-03-22T11:11:00+03:26",
              "utc": "1904-03-22T07:45:00Z",
              "ms": -2075818500053.7737
            },
            "end": {
              "local": "1904-03-22T11:59:00+03:26",
              "utc": "1904-03-22T08:33:00Z",
              "ms": -2075815620053.7737
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 14:42 on Mon 21 Mar to 14:55 on Tue 22 Mar.",
          "fact": "1904-03-21T11:17:17Z → 1904-03-22T11:30:12Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:10–11:58 on the 21st, 11:10–11:58 on the 22nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 9839 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pañcamī, Mashhad, 1904: Tuesday 22 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "lakshmi-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-03-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-03-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Lakṣmī Pañcamī 1904 falls on Tuesday 22 March. Pañcamī runs from 14:42 on Mon 21 Mar to 14:55 on Tue 22 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/bhavani-utpatti",
      "festival": "bhavani-utpatti",
      "name": "Bhavānī Utpatti",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-03-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1004,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1904-03-24T13:42:07+03:26",
          "utc": "1904-03-24T10:16:07Z",
          "ms": -2075636632942.5708
        },
        "end": {
          "local": "1904-03-25T12:14:49+03:26",
          "utc": "1904-03-25T08:48:49Z",
          "ms": -2075555470531.7542
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-03-24T13:42:07+03:26",
          "utc": "1904-03-24T10:16:07Z",
          "ms": -2075636632942.5708
        },
        "end": {
          "local": "1904-03-25T12:14:49+03:26",
          "utc": "1904-03-25T08:48:49Z",
          "ms": -2075555470531.7542
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-03-24",
          "window": {
            "start": {
              "local": "1904-03-24T11:10:24+03:26",
              "utc": "1904-03-24T07:44:24Z",
              "ms": -2075645736376.1138
            },
            "end": {
              "local": "1904-03-24T11:58:24+03:26",
              "utc": "1904-03-24T08:32:24Z",
              "ms": -2075642856376.1138
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-03-25",
          "window": {
            "start": {
              "local": "1904-03-25T11:10:05+03:26",
              "utc": "1904-03-25T07:44:05Z",
              "ms": -2075559354664.6958
            },
            "end": {
              "local": "1904-03-25T11:58:05+03:26",
              "utc": "1904-03-25T08:32:05Z",
              "ms": -2075556474664.6958
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 13:41 on Thu 24 Mar to 12:14 on Fri 25 Mar.",
          "fact": "1904-03-24T10:16:07Z → 1904-03-25T08:48:49Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:09–11:57 on the 24th, 11:09–11:57 on the 25th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 1004 s"
        },
        {
          "step": "ruling",
          "text": "Bhavānī Utpatti, Mashhad, 1904: Friday 25 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bhavani-utpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-03-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-03-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Bhavānī Utpatti 1904 falls on Friday 25 March. Aṣṭamī runs from 13:41 on Thu 24 Mar to 12:14 on Fri 25 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/rama-navami",
      "festival": "rama-navami",
      "name": "Rāma Navamī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-03-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1004,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "1904-03-25T12:14:49+03:26",
          "utc": "1904-03-25T08:48:49Z",
          "ms": -2075555470531.7542
        },
        "end": {
          "local": "1904-03-26T10:16:08+03:26",
          "utc": "1904-03-26T06:50:08Z",
          "ms": -2075476191553.9287
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-03-25T12:14:49+03:26",
          "utc": "1904-03-25T08:48:49Z",
          "ms": -2075555470531.7542
        },
        "end": {
          "local": "1904-03-26T10:16:08+03:26",
          "utc": "1904-03-26T06:50:08Z",
          "ms": -2075476191553.9287
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-03-25",
          "window": {
            "start": {
              "local": "1904-03-25T11:10:05+03:26",
              "utc": "1904-03-25T07:44:05Z",
              "ms": -2075559354664.6958
            },
            "end": {
              "local": "1904-03-25T11:58:05+03:26",
              "utc": "1904-03-25T08:32:05Z",
              "ms": -2075556474664.6958
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-03-26",
          "window": {
            "start": {
              "local": "1904-03-26T11:09:47+03:26",
              "utc": "1904-03-26T07:43:47Z",
              "ms": -2075472973012.3394
            },
            "end": {
              "local": "1904-03-26T11:57:47+03:26",
              "utc": "1904-03-26T08:31:47Z",
              "ms": -2075470093012.3394
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 12:14 on Fri 25 Mar to 10:15 on Sat 26 Mar.",
          "fact": "1904-03-25T08:48:49Z → 1904-03-26T06:50:08Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:09–11:57 on the 25th, 11:09–11:57 on the 26th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 0 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: unstated → second-day · margin 1004 s"
        },
        {
          "step": "ruling",
          "text": "Rāma Navamī, Mashhad, 1904: Saturday 26 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rama-navami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti."
          }
        ],
        "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.",
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-03-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-03-25",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mashhad, Rāma Navamī 1904 falls on Saturday 26 March. Navamī runs from 12:14 on Fri 25 Mar to 10:15 on Sat 26 Mar, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/ekadashi?on=1904-03-27",
      "festival": "ekadashi",
      "name": "Kāmadā Ekādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-03-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1259,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1904-03-27T07:49:32+03:26",
          "utc": "1904-03-27T04:23:32Z",
          "ms": -2075398587768.0222
        },
        "end": {
          "local": "1904-03-28T04:59:56+03:26",
          "utc": "1904-03-28T01:33:56Z",
          "ms": -2075322363744.2576
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-03-27T07:49:32+03:26",
          "utc": "1904-03-27T04:23:32Z",
          "ms": -2075398587768.0222
        },
        "end": {
          "local": "1904-03-28T04:59:56+03:26",
          "utc": "1904-03-28T01:33:56Z",
          "ms": -2075322363744.2576
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-03-27",
          "window": {
            "start": {
              "local": "1904-03-27T05:22:23+03:26",
              "utc": "1904-03-27T01:56:23Z",
              "ms": -2075407416922.4973
            },
            "end": {
              "local": "1904-03-27T05:22:23+03:26",
              "utc": "1904-03-27T01:56:23Z",
              "ms": -2075407416922.4973
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1904-03-28",
          "window": {
            "start": {
              "local": "1904-03-28T05:20:55+03:26",
              "utc": "1904-03-28T01:54:55Z",
              "ms": -2075321104553.4844
            },
            "end": {
              "local": "1904-03-28T05:20:55+03:26",
              "utc": "1904-03-28T01:54:55Z",
              "ms": -2075321104553.4844
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 07:49 on Sun 27 Mar to 04:59 on Mon 28 Mar.",
          "fact": "1904-03-27T04:23:32Z → 1904-03-28T01:33:56Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:21 on the 27th and 05:20 on the 28th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 27th and is not on the 28th.",
          "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 1259 s"
        },
        {
          "step": "ruling",
          "text": "Kāmadā Ekādaśī, Mashhad, 1904: Sunday 27 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": "1904-03-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-03-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Kāmadā Ekādaśī 1904 falls on Sunday 27 March. Ekādaśī runs from 07:49 on Sun 27 Mar to 04:59 on Mon 28 Mar, and is current at sunrise on neither day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/ekadashi?on=1904-03-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/ananga-trayodashi",
      "festival": "ananga-trayodashi",
      "name": "Anaṅga Trayodaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-03-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33319,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-03-29T01:53:33+03:26",
          "utc": "1904-03-28T22:27:33Z",
          "ms": -2075247146970.189
        },
        "end": {
          "local": "1904-03-29T22:37:39+03:26",
          "utc": "1904-03-29T19:11:39Z",
          "ms": -2075172501096.156
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-03-29T01:53:33+03:26",
          "utc": "1904-03-28T22:27:33Z",
          "ms": -2075247146970.189
        },
        "end": {
          "local": "1904-03-29T22:37:39+03:26",
          "utc": "1904-03-29T19:11:39Z",
          "ms": -2075172501096.156
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-03-29",
          "window": {
            "start": {
              "local": "1904-03-29T11:08:52+03:26",
              "utc": "1904-03-29T07:42:52Z",
              "ms": -2075213828198.062
            },
            "end": {
              "local": "1904-03-29T11:56:52+03:26",
              "utc": "1904-03-29T08:30:52Z",
              "ms": -2075210948198.062
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-03-30",
          "window": {
            "start": {
              "local": "1904-03-30T11:08:33+03:26",
              "utc": "1904-03-30T07:42:33Z",
              "ms": -2075127446564.8105
            },
            "end": {
              "local": "1904-03-30T11:56:33+03:26",
              "utc": "1904-03-30T08:30:33Z",
              "ms": -2075124566564.8105
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 01:53 on Tue 29 Mar to 22:37 on Tue 29 Mar.",
          "fact": "1904-03-28T22:27:33Z → 1904-03-29T19:11:39Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 29th, 11:08–11:56 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 33319 s"
        },
        {
          "step": "ruling",
          "text": "Anaṅga Trayodaśī, Mashhad, 1904: Tuesday 29 March.",
          "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": "1904-03-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-03-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Anaṅga Trayodaśī 1904 falls on Tuesday 29 March. Trayodaśī runs from 01:53 on Tue 29 Mar to 22:37 on Tue 29 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/pradosha-vrata?on=1904-03-29",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-03-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11949,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-03-29T01:53:33+03:26",
          "utc": "1904-03-28T22:27:33Z",
          "ms": -2075247146970.189
        },
        "end": {
          "local": "1904-03-29T22:37:39+03:26",
          "utc": "1904-03-29T19:11:39Z",
          "ms": -2075172501096.156
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-03-29T01:53:33+03:26",
          "utc": "1904-03-28T22:27:33Z",
          "ms": -2075247146970.189
        },
        "end": {
          "local": "1904-03-29T22:37:39+03:26",
          "utc": "1904-03-29T19:11:39Z",
          "ms": -2075172501096.156
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-03-28",
          "window": {
            "start": {
              "local": "1904-03-28T17:45:25+03:26",
              "utc": "1904-03-28T14:19:25Z",
              "ms": -2075276435049.158
            },
            "end": {
              "local": "1904-03-28T19:17:57+03:26",
              "utc": "1904-03-28T15:51:57Z",
              "ms": -2075270882654.4985
            }
          },
          "covered_min": 0,
          "window_min": 93,
          "qualifies": false
        },
        {
          "local_date": "1904-03-29",
          "window": {
            "start": {
              "local": "1904-03-29T17:46:16+03:26",
              "utc": "1904-03-29T14:20:16Z",
              "ms": -2075189984306.9124
            },
            "end": {
              "local": "1904-03-29T19:18:30+03:26",
              "utc": "1904-03-29T15:52:30Z",
              "ms": -2075184450332.3264
            }
          },
          "covered_min": 92,
          "window_min": 92,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 01:53 on Tue 29 Mar to 22:37 on Tue 29 Mar.",
          "fact": "1904-03-28T22:27:33Z → 1904-03-29T19:11:39Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:44–19:17 on the 28th, 17:45–19:17 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 93 minutes on the 28th and 92 of 92 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 11949 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Mashhad, 1904: Tuesday 29 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": "1904-03-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-03-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śukla Pradoṣa Vrata 1904 falls on Tuesday 29 March. Trayodaśī runs from 01:53 on Tue 29 Mar to 22:37 on Tue 29 Mar and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/pradosha-vrata?on=1904-03-29",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/vishnu-damanaka-chaturdashi",
      "festival": "vishnu-damanaka-chaturdashi",
      "name": "Viṣṇudamanaka Caturdaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-03-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26626,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1904-03-29T22:37:39+03:26",
          "utc": "1904-03-29T19:11:39Z",
          "ms": -2075172501096.156
        },
        "end": {
          "local": "1904-03-30T19:20:20+03:26",
          "utc": "1904-03-30T15:54:20Z",
          "ms": -2075097940375.3867
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-03-29T22:37:39+03:26",
          "utc": "1904-03-29T19:11:39Z",
          "ms": -2075172501096.156
        },
        "end": {
          "local": "1904-03-30T19:20:20+03:26",
          "utc": "1904-03-30T15:54:20Z",
          "ms": -2075097940375.3867
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-03-29",
          "window": {
            "start": {
              "local": "1904-03-29T11:08:52+03:26",
              "utc": "1904-03-29T07:42:52Z",
              "ms": -2075213828198.062
            },
            "end": {
              "local": "1904-03-29T11:56:52+03:26",
              "utc": "1904-03-29T08:30:52Z",
              "ms": -2075210948198.062
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-03-30",
          "window": {
            "start": {
              "local": "1904-03-30T11:08:33+03:26",
              "utc": "1904-03-30T07:42:33Z",
              "ms": -2075127446564.8105
            },
            "end": {
              "local": "1904-03-30T11:56:33+03:26",
              "utc": "1904-03-30T08:30:33Z",
              "ms": -2075124566564.8105
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 22:37 on Tue 29 Mar to 19:19 on Wed 30 Mar.",
          "fact": "1904-03-29T19:11:39Z → 1904-03-30T15:54:20Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 29th, 11:08–11:56 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 26626 s"
        },
        {
          "step": "ruling",
          "text": "Viṣṇudamanaka Caturdaśī, Mashhad, 1904: Wednesday 30 March.",
          "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": "1904-03-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-03-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Viṣṇudamanaka Caturdaśī 1904 falls on Wednesday 30 March. Caturdaśī runs from 22:37 on Tue 29 Mar to 19:19 on Wed 30 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/chaitri-purnima",
      "festival": "chaitri-purnima",
      "name": "Caitrī Pūrṇimā",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-03-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15240,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1904-03-30T19:20:20+03:26",
          "utc": "1904-03-30T15:54:20Z",
          "ms": -2075097940375.3867
        },
        "end": {
          "local": "1904-03-31T16:10:15+03:26",
          "utc": "1904-03-31T12:44:15Z",
          "ms": -2075022944837.0405
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-03-30T19:20:20+03:26",
          "utc": "1904-03-30T15:54:20Z",
          "ms": -2075097940375.3867
        },
        "end": {
          "local": "1904-03-31T16:10:15+03:26",
          "utc": "1904-03-31T12:44:15Z",
          "ms": -2075022944837.0405
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-03-30",
          "window": {
            "start": {
              "local": "1904-03-30T11:08:33+03:26",
              "utc": "1904-03-30T07:42:33Z",
              "ms": -2075127446564.8105
            },
            "end": {
              "local": "1904-03-30T11:56:33+03:26",
              "utc": "1904-03-30T08:30:33Z",
              "ms": -2075124566564.8105
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-03-31",
          "window": {
            "start": {
              "local": "1904-03-31T11:08:15+03:26",
              "utc": "1904-03-31T07:42:15Z",
              "ms": -2075041064877.08
            },
            "end": {
              "local": "1904-03-31T11:56:15+03:26",
              "utc": "1904-03-31T08:30:15Z",
              "ms": -2075038184877.08
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 19:19 on Wed 30 Mar to 16:09 on Thu 31 Mar.",
          "fact": "1904-03-30T15:54:20Z → 1904-03-31T12:44:15Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 30th, 11:07–11:55 on the 31st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 31st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 15240 s"
        },
        {
          "step": "ruling",
          "text": "Caitrī Pūrṇimā, Mashhad, 1904: Thursday 31 March.",
          "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": "1904-03-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-03-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Caitrī Pūrṇimā 1904 falls on Thursday 31 March. Pūrṇimā runs from 19:19 on Wed 30 Mar to 16:09 on Thu 31 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/sankashta-chaturthi?on=1904-04-03",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-04-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37773,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-04-03T08:52:12+03:26",
          "utc": "1904-04-03T05:26:12Z",
          "ms": -2074790027768.1445
        },
        "end": {
          "local": "1904-04-04T07:37:22+03:26",
          "utc": "1904-04-04T04:11:22Z",
          "ms": -2074708118257.2207
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-04-03T08:52:12+03:26",
          "utc": "1904-04-03T05:26:12Z",
          "ms": -2074790027768.1445
        },
        "end": {
          "local": "1904-04-04T07:37:22+03:26",
          "utc": "1904-04-04T04:11:22Z",
          "ms": -2074708118257.2207
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1904-04-02",
          "window": {
            "start": {
              "local": "1904-04-02T20:04:13+03:26",
              "utc": "1904-04-02T16:38:13Z",
              "ms": -2074836106505.3694
            },
            "end": {
              "local": "1904-04-02T20:04:13+03:26",
              "utc": "1904-04-02T16:38:13Z",
              "ms": -2074836106505.3694
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1904-04-03",
          "window": {
            "start": {
              "local": "1904-04-03T21:07:49+03:26",
              "utc": "1904-04-03T17:41:49Z",
              "ms": -2074745890786.6985
            },
            "end": {
              "local": "1904-04-03T21:07:49+03:26",
              "utc": "1904-04-03T17:41:49Z",
              "ms": -2074745890786.6985
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 08:51 on Sun 3 Apr to 07:36 on Mon 4 Apr.",
          "fact": "1904-04-03T05:26:12Z → 1904-04-04T04:11:22Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:03 on the 2nd and 21:07 on the 3rd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 2nd and is on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 37773 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mashhad, 1904: Sunday 3 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": "1904-04-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-04-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1904 falls on Sunday 3 April. Caturthī runs from 08:51 on Sun 3 Apr to 07:36 on Mon 4 Apr and is current at moonrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/sankashta-chaturthi?on=1904-04-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/ekadashi?on=1904-04-11",
      "festival": "ekadashi",
      "name": "Varūthinī Ekādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-04-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36118,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1904-04-10T15:04:15+03:26",
          "utc": "1904-04-10T11:38:15Z",
          "ms": -2074162905238.655
        },
        "end": {
          "local": "1904-04-11T17:41:18+03:26",
          "utc": "1904-04-11T14:15:18Z",
          "ms": -2074067082127.8928
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-04-10T15:04:15+03:26",
          "utc": "1904-04-10T11:38:15Z",
          "ms": -2074162905238.655
        },
        "end": {
          "local": "1904-04-11T17:41:18+03:26",
          "utc": "1904-04-11T14:15:18Z",
          "ms": -2074067082127.8928
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-04-10",
          "window": {
            "start": {
              "local": "1904-04-10T05:02:17+03:26",
              "utc": "1904-04-10T01:36:17Z",
              "ms": -2074199023371.7793
            },
            "end": {
              "local": "1904-04-10T05:02:17+03:26",
              "utc": "1904-04-10T01:36:17Z",
              "ms": -2074199023371.7793
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1904-04-11",
          "window": {
            "start": {
              "local": "1904-04-11T05:00:53+03:26",
              "utc": "1904-04-11T01:34:53Z",
              "ms": -2074112706776.3315
            },
            "end": {
              "local": "1904-04-11T05:00:53+03:26",
              "utc": "1904-04-11T01:34:53Z",
              "ms": -2074112706776.3315
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 15:03 on Sun 10 Apr to 17:40 on Mon 11 Apr.",
          "fact": "1904-04-10T11:38:15Z → 1904-04-11T14:15:18Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:01 on the 10th and 05:00 on the 11th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 10th and is on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 36118 s"
        },
        {
          "step": "ruling",
          "text": "Varūthinī Ekādaśī, Mashhad, 1904: Monday 11 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": "1904-04-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-04-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Varūthinī Ekādaśī 1904 falls on Monday 11 April. Ekādaśī runs from 15:03 on Sun 10 Apr to 17:40 on Mon 11 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/ekadashi?on=1904-04-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/vaishakhi",
      "festival": "vaishakhi",
      "name": "Vaiśākhī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-04-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15897,
      "anga": {
        "type": "sankranti",
        "index": 0,
        "key": "mesha",
        "name": "Meṣa",
        "start": {
          "local": "1904-04-13T00:33:11+03:26",
          "utc": "1904-04-12T21:07:11Z",
          "ms": -2073955969385.1611
        },
        "end": {
          "local": "1904-05-13T21:32:54+03:26",
          "utc": "1904-05-13T18:06:54Z",
          "ms": -2071288386419.719
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "1904-04-13T00:33:11+03:26",
          "utc": "1904-04-12T21:07:11Z",
          "ms": -2073955969385.1611
        },
        "end": {
          "local": "1904-04-13T00:33:11+03:26",
          "utc": "1904-04-12T21:07:11Z",
          "ms": -2073955969385.1611
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "1904-04-12",
          "window": {
            "start": {
              "local": "1904-04-12T04:59:30+03:26",
              "utc": "1904-04-12T01:33:30Z",
              "ms": -2074026389654.5366
            },
            "end": {
              "local": "1904-04-13T04:58:08+03:26",
              "utc": "1904-04-13T01:32:08Z",
              "ms": -2073940071978.795
            }
          },
          "covered_min": 1,
          "window_min": 1439,
          "qualifies": true
        },
        {
          "local_date": "1904-04-13",
          "window": {
            "start": {
              "local": "1904-04-13T04:58:08+03:26",
              "utc": "1904-04-13T01:32:08Z",
              "ms": -2073940071978.795
            },
            "end": {
              "local": "1904-04-14T04:56:46+03:26",
              "utc": "1904-04-14T01:30:46Z",
              "ms": -2073853753721.887
            }
          },
          "covered_min": 0,
          "window_min": 1439,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Meṣa at 00:32 on Wed 13 Apr.",
          "fact": "1904-04-12T21:07:11Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 04:59 on the 12th, and from 04:57 on the 13th.",
          "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 12th, not the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunrise → only-day · margin 15897 s"
        },
        {
          "step": "ruling",
          "text": "Vaiśākhī, Mashhad, 1904: Tuesday 12 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "vaishakhi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)."
          },
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        ],
        "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.",
        "rashi": "Meṣa",
        "day_from": "sunrise"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-04-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-04-12",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "1904-04-13",
          "statement": "Counted from midnight",
          "reference": {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        },
        {
          "kind": "reckoning",
          "id": "sunset-rule",
          "local_date": "1904-04-13",
          "statement": "Past sunset, the next day (the Tamil rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        }
      ],
      "quote": "In Mashhad, Vaiśākhī 1904 falls on Tuesday 12 April. The Sun enters Meṣa at 00:32 on Wed 13 Apr, and the rule counts the day from sunrise. Counted from midnight, or by the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 13 April.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/pradosha-vrata?on=1904-04-13",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-04-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2626,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-04-12T20:09:51+03:26",
          "utc": "1904-04-12T16:43:51Z",
          "ms": -2073971768684.5637
        },
        "end": {
          "local": "1904-04-13T22:19:44+03:26",
          "utc": "1904-04-13T18:53:44Z",
          "ms": -2073877575596.458
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-04-12T20:09:51+03:26",
          "utc": "1904-04-12T16:43:51Z",
          "ms": -2073971768684.5637
        },
        "end": {
          "local": "1904-04-13T22:19:44+03:26",
          "utc": "1904-04-13T18:53:44Z",
          "ms": -2073877575596.458
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-04-12",
          "window": {
            "start": {
              "local": "1904-04-12T17:58:05+03:26",
              "utc": "1904-04-12T14:32:05Z",
              "ms": -2073979674840.6086
            },
            "end": {
              "local": "1904-04-12T19:26:06+03:26",
              "utc": "1904-04-12T16:00:06Z",
              "ms": -2073974394459.0334
            }
          },
          "covered_min": 0,
          "window_min": 88,
          "qualifies": false
        },
        {
          "local_date": "1904-04-13",
          "window": {
            "start": {
              "local": "1904-04-13T17:58:56+03:26",
              "utc": "1904-04-13T14:32:56Z",
              "ms": -2073893223872.6772
            },
            "end": {
              "local": "1904-04-13T19:26:39+03:26",
              "utc": "1904-04-13T16:00:39Z",
              "ms": -2073887961185.9053
            }
          },
          "covered_min": 88,
          "window_min": 88,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 20:09 on Tue 12 Apr to 22:19 on Wed 13 Apr.",
          "fact": "1904-04-12T16:43:51Z → 1904-04-13T18:53:44Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:25 on the 12th, 17:58–19:26 on the 13th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 88 minutes on the 12th and 88 of 88 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2626 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1904: Wednesday 13 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": "1904-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-04-13",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1904 falls on Wednesday 13 April. Trayodaśī runs from 20:09 on Tue 12 Apr to 22:19 on Wed 13 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/pradosha-vrata?on=1904-04-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/shivaratri?on=1904-04-13",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-04-13",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 743,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1904-04-13T22:19:44+03:26",
          "utc": "1904-04-13T18:53:44Z",
          "ms": -2073877575596.458
        },
        "end": {
          "local": "1904-04-15T00:03:59+03:26",
          "utc": "1904-04-14T20:37:59Z",
          "ms": -2073784921212.1887
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-04-13T22:19:44+03:26",
          "utc": "1904-04-13T18:53:44Z",
          "ms": -2073877575596.458
        },
        "end": {
          "local": "1904-04-15T00:03:59+03:26",
          "utc": "1904-04-14T20:37:59Z",
          "ms": -2073784921212.1887
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1904-04-13",
          "window": {
            "start": {
              "local": "1904-04-13T23:03:51+03:26",
              "utc": "1904-04-13T19:37:51Z",
              "ms": -2073874928797.2822
            },
            "end": {
              "local": "1904-04-13T23:51:51+03:26",
              "utc": "1904-04-13T20:25:51Z",
              "ms": -2073872048797.2822
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-04-14",
          "window": {
            "start": {
              "local": "1904-04-14T23:03:36+03:26",
              "utc": "1904-04-14T19:37:36Z",
              "ms": -2073788543851.6235
            },
            "end": {
              "local": "1904-04-14T23:51:36+03:26",
              "utc": "1904-04-14T20:25:36Z",
              "ms": -2073785663851.6235
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 22:19 on Wed 13 Apr to 00:03 on Fri 15 Apr.",
          "fact": "1904-04-13T18:53:44Z → 1904-04-14T20:37:59Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:03–23:51 on the 13th, 23:03–23:51 on the 14th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 13th and 48 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 743 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Mashhad, 1904: Wednesday 13 April.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-04-13",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-04-13",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mashhad, Śivarātri 1904 falls on Wednesday 13 April. Caturdaśī runs from 22:19 on Wed 13 Apr to 00:03 on Fri 15 Apr and covers all of niśītha that night. It also reaches the next night for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/shivaratri?on=1904-04-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/akshaya-tritiya",
      "festival": "akshaya-tritiya",
      "name": "Akṣaya Tṛtīyā",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-04-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9230,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1904-04-18T02:17:36+03:26",
          "utc": "1904-04-17T22:51:36Z",
          "ms": -2073517704409.9153
        },
        "end": {
          "local": "1904-04-19T02:04:13+03:26",
          "utc": "1904-04-18T22:38:13Z",
          "ms": -2073432106724.2263
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-04-18T02:17:36+03:26",
          "utc": "1904-04-17T22:51:36Z",
          "ms": -2073517704409.9153
        },
        "end": {
          "local": "1904-04-19T02:04:13+03:26",
          "utc": "1904-04-18T22:38:13Z",
          "ms": -2073432106724.2263
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "1904-04-18",
          "window": {
            "start": {
              "local": "1904-04-18T04:51:26+03:26",
              "utc": "1904-04-18T01:25:26Z",
              "ms": -2073508474350.5278
            },
            "end": {
              "local": "1904-04-18T09:15:21+03:26",
              "utc": "1904-04-18T05:49:21Z",
              "ms": -2073492638965.1282
            }
          },
          "covered_min": 264,
          "window_min": 264,
          "qualifies": true
        },
        {
          "local_date": "1904-04-19",
          "window": {
            "start": {
              "local": "1904-04-19T04:50:07+03:26",
              "utc": "1904-04-19T01:24:07Z",
              "ms": -2073422152790.7927
            },
            "end": {
              "local": "1904-04-19T09:14:46+03:26",
              "utc": "1904-04-19T05:48:46Z",
              "ms": -2073406274165.0427
            }
          },
          "covered_min": 0,
          "window_min": 265,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 02:17 on Mon 18 Apr to 02:03 on Tue 19 Apr.",
          "fact": "1904-04-17T22:51:36Z → 1904-04-18T22:38:13Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 04:50–09:14 on the 18th, 04:49–09:14 on the 19th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 264 of 264 minutes on the 18th and 0 of 265 on the 19th.",
          "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 9230 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Tṛtīyā, Mashhad, 1904: Monday 18 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "akshaya-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)."
          }
        ],
        "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.",
        "kaala": "purvahna",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-04-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-04-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Akṣaya Tṛtīyā 1904 falls on Monday 18 April. Tṛtīyā runs from 02:17 on Mon 18 Apr to 02:03 on Tue 19 Apr and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/parashurama-jayanti",
      "festival": "parashurama-jayanti",
      "name": "Paraśurāma Jayantī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-04-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23686,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1904-04-18T02:17:36+03:26",
          "utc": "1904-04-17T22:51:36Z",
          "ms": -2073517704409.9153
        },
        "end": {
          "local": "1904-04-19T02:04:13+03:26",
          "utc": "1904-04-18T22:38:13Z",
          "ms": -2073432106724.2263
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-04-18T02:17:36+03:26",
          "utc": "1904-04-17T22:51:36Z",
          "ms": -2073517704409.9153
        },
        "end": {
          "local": "1904-04-19T02:04:13+03:26",
          "utc": "1904-04-18T22:38:13Z",
          "ms": -2073432106724.2263
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-04-17",
          "window": {
            "start": {
              "local": "1904-04-17T18:02:21+03:26",
              "utc": "1904-04-17T14:36:21Z",
              "ms": -2073547419432.7256
            },
            "end": {
              "local": "1904-04-17T19:28:53+03:26",
              "utc": "1904-04-17T16:02:53Z",
              "ms": -2073542226755.099
            }
          },
          "covered_min": 0,
          "window_min": 87,
          "qualifies": false
        },
        {
          "local_date": "1904-04-18",
          "window": {
            "start": {
              "local": "1904-04-18T18:03:12+03:26",
              "utc": "1904-04-18T14:37:12Z",
              "ms": -2073460968194.329
            },
            "end": {
              "local": "1904-04-18T19:29:27+03:26",
              "utc": "1904-04-18T16:03:27Z",
              "ms": -2073455792807.191
            }
          },
          "covered_min": 86,
          "window_min": 86,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 02:17 on Mon 18 Apr to 02:03 on Tue 19 Apr.",
          "fact": "1904-04-17T22:51:36Z → 1904-04-18T22:38:13Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:01–19:28 on the 17th, 18:02–19:28 on the 18th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pradoṣa. It covers 0 of 87 minutes on the 17th and 86 of 86 on the 18th.",
          "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 23686 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Jayantī, Mashhad, 1904: Monday 18 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "parashurama-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)."
          }
        ],
        "kaala": "pradosha",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-04-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-04-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Paraśurāma Jayantī 1904 falls on Monday 18 April. Tṛtīyā runs from 02:17 on Mon 18 Apr to 02:03 on Tue 19 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/vinayaka-chaturthi?on=1904-04-19",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-04-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32332,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-04-19T02:04:13+03:26",
          "utc": "1904-04-18T22:38:13Z",
          "ms": -2073432106724.2263
        },
        "end": {
          "local": "1904-04-20T01:25:18+03:26",
          "utc": "1904-04-19T21:59:18Z",
          "ms": -2073348041545.9272
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-04-19T02:04:13+03:26",
          "utc": "1904-04-18T22:38:13Z",
          "ms": -2073432106724.2263
        },
        "end": {
          "local": "1904-04-20T01:25:18+03:26",
          "utc": "1904-04-19T21:59:18Z",
          "ms": -2073348041545.9272
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-04-19",
          "window": {
            "start": {
              "local": "1904-04-19T11:03:05+03:26",
              "utc": "1904-04-19T07:37:05Z",
              "ms": -2073399774852.1677
            },
            "end": {
              "local": "1904-04-19T11:51:05+03:26",
              "utc": "1904-04-19T08:25:05Z",
              "ms": -2073396894852.1677
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-04-20",
          "window": {
            "start": {
              "local": "1904-04-20T11:02:52+03:26",
              "utc": "1904-04-20T07:36:52Z",
              "ms": -2073313388044.1072
            },
            "end": {
              "local": "1904-04-20T11:50:52+03:26",
              "utc": "1904-04-20T08:24:52Z",
              "ms": -2073310508044.1072
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 02:03 on Tue 19 Apr to 01:24 on Wed 20 Apr.",
          "fact": "1904-04-18T22:38:13Z → 1904-04-19T21:59:18Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 19th, 11:02–11:50 on the 20th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 32332 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Mashhad, 1904: Tuesday 19 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": "1904-04-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-04-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Vināyaka Caturthī 1904 falls on Tuesday 19 April. Caturthī runs from 02:03 on Tue 19 Apr to 01:24 on Wed 20 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/vinayaka-chaturthi?on=1904-04-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/shankara-jayanti",
      "festival": "shankara-jayanti",
      "name": "Śaṅkara Jayantī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-04-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34654,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1904-04-20T01:25:18+03:26",
          "utc": "1904-04-19T21:59:18Z",
          "ms": -2073348041545.9272
        },
        "end": {
          "local": "1904-04-21T00:23:13+03:26",
          "utc": "1904-04-20T20:57:13Z",
          "ms": -2073265366604.4148
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-04-20T01:25:18+03:26",
          "utc": "1904-04-19T21:59:18Z",
          "ms": -2073348041545.9272
        },
        "end": {
          "local": "1904-04-21T00:23:13+03:26",
          "utc": "1904-04-20T20:57:13Z",
          "ms": -2073265366604.4148
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-04-20",
          "window": {
            "start": {
              "local": "1904-04-20T11:02:52+03:26",
              "utc": "1904-04-20T07:36:52Z",
              "ms": -2073313388044.1072
            },
            "end": {
              "local": "1904-04-20T11:50:52+03:26",
              "utc": "1904-04-20T08:24:52Z",
              "ms": -2073310508044.1072
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-04-21",
          "window": {
            "start": {
              "local": "1904-04-21T11:02:39+03:26",
              "utc": "1904-04-21T07:36:39Z",
              "ms": -2073227000838.102
            },
            "end": {
              "local": "1904-04-21T11:50:39+03:26",
              "utc": "1904-04-21T08:24:39Z",
              "ms": -2073224120838.102
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 01:24 on Wed 20 Apr to 00:22 on Thu 21 Apr.",
          "fact": "1904-04-19T21:59:18Z → 1904-04-20T20:57:13Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 20th, 11:02–11:50 on the 21st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 34654 s"
        },
        {
          "step": "ruling",
          "text": "Śaṅkara Jayantī, Mashhad, 1904: Wednesday 20 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shankara-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sankara jayanti."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-04-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-04-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śaṅkara Jayantī 1904 falls on Wednesday 20 April. Pañcamī runs from 01:24 on Wed 20 Apr to 00:22 on Thu 21 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/gangotpatti",
      "festival": "gangotpatti",
      "name": "Gaṅgotpatti",
      "everyday": "Ganga Saptami",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-04-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34058,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1904-04-21T23:00:09+03:26",
          "utc": "1904-04-21T19:34:09Z",
          "ms": -2073183950978.2832
        },
        "end": {
          "local": "1904-04-22T21:18:04+03:26",
          "utc": "1904-04-22T17:52:04Z",
          "ms": -2073103675550.6323
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-04-21T23:00:09+03:26",
          "utc": "1904-04-21T19:34:09Z",
          "ms": -2073183950978.2832
        },
        "end": {
          "local": "1904-04-22T21:18:04+03:26",
          "utc": "1904-04-22T17:52:04Z",
          "ms": -2073103675550.6323
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-04-21",
          "window": {
            "start": {
              "local": "1904-04-21T11:02:39+03:26",
              "utc": "1904-04-21T07:36:39Z",
              "ms": -2073227000838.102
            },
            "end": {
              "local": "1904-04-21T11:50:39+03:26",
              "utc": "1904-04-21T08:24:39Z",
              "ms": -2073224120838.102
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-04-22",
          "window": {
            "start": {
              "local": "1904-04-22T11:02:27+03:26",
              "utc": "1904-04-22T07:36:27Z",
              "ms": -2073140613223.8362
            },
            "end": {
              "local": "1904-04-22T11:50:27+03:26",
              "utc": "1904-04-22T08:24:27Z",
              "ms": -2073137733223.8362
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 22:59 on Thu 21 Apr to 21:17 on Fri 22 Apr.",
          "fact": "1904-04-21T19:34:09Z → 1904-04-22T17:52:04Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 21st, 11:01–11:49 on the 22nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 34058 s"
        },
        {
          "step": "ruling",
          "text": "Gaṅgotpatti, Mashhad, 1904: Friday 22 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "gangotpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-04-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-04-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Gaṅgotpatti (Ganga Saptami) 1904 falls on Friday 22 April. Saptamī runs from 22:59 on Thu 21 Apr to 21:17 on Fri 22 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/ekadashi?on=1904-04-26",
      "festival": "ekadashi",
      "name": "Mohinī Ekādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-04-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26553,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1904-04-25T14:38:45+03:26",
          "utc": "1904-04-25T11:12:45Z",
          "ms": -2072868435254.9473
        },
        "end": {
          "local": "1904-04-26T12:03:53+03:26",
          "utc": "1904-04-26T08:37:53Z",
          "ms": -2072791327132.1387
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-04-25T14:38:45+03:26",
          "utc": "1904-04-25T11:12:45Z",
          "ms": -2072868435254.9473
        },
        "end": {
          "local": "1904-04-26T12:03:53+03:26",
          "utc": "1904-04-26T08:37:53Z",
          "ms": -2072791327132.1387
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-04-25",
          "window": {
            "start": {
              "local": "1904-04-25T04:42:33+03:26",
              "utc": "1904-04-25T01:16:33Z",
              "ms": -2072904206956.0308
            },
            "end": {
              "local": "1904-04-25T04:42:33+03:26",
              "utc": "1904-04-25T01:16:33Z",
              "ms": -2072904206956.0308
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1904-04-26",
          "window": {
            "start": {
              "local": "1904-04-26T04:41:20+03:26",
              "utc": "1904-04-26T01:15:20Z",
              "ms": -2072817879639.2747
            },
            "end": {
              "local": "1904-04-26T04:41:20+03:26",
              "utc": "1904-04-26T01:15:20Z",
              "ms": -2072817879639.2747
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 14:38 on Mon 25 Apr to 12:03 on Tue 26 Apr.",
          "fact": "1904-04-25T11:12:45Z → 1904-04-26T08:37:53Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 04:42 on the 25th and 04:40 on the 26th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 25th and is 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 26553 s"
        },
        {
          "step": "ruling",
          "text": "Mohinī Ekādaśī, Mashhad, 1904: Tuesday 26 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": "1904-04-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-04-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Mohinī Ekādaśī 1904 falls on Tuesday 26 April. Ekādaśī runs from 14:38 on Mon 25 Apr to 12:03 on Tue 26 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/ekadashi?on=1904-04-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/parashurama-dvadashi",
      "festival": "parashurama-dvadashi",
      "name": "Paraśurāma Dvādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-04-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 851,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1904-04-26T12:03:53+03:26",
          "utc": "1904-04-26T08:37:53Z",
          "ms": -2072791327132.1387
        },
        "end": {
          "local": "1904-04-27T09:24:49+03:26",
          "utc": "1904-04-27T05:58:49Z",
          "ms": -2072714471355.3774
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-04-26T12:03:53+03:26",
          "utc": "1904-04-26T08:37:53Z",
          "ms": -2072791327132.1387
        },
        "end": {
          "local": "1904-04-27T09:24:49+03:26",
          "utc": "1904-04-27T05:58:49Z",
          "ms": -2072714471355.3774
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-04-26",
          "window": {
            "start": {
              "local": "1904-04-26T11:01:42+03:26",
              "utc": "1904-04-26T07:35:42Z",
              "ms": -2072795058460.4534
            },
            "end": {
              "local": "1904-04-26T11:49:42+03:26",
              "utc": "1904-04-26T08:23:42Z",
              "ms": -2072792178460.4534
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-04-27",
          "window": {
            "start": {
              "local": "1904-04-27T11:01:31+03:26",
              "utc": "1904-04-27T07:35:31Z",
              "ms": -2072708668631.0713
            },
            "end": {
              "local": "1904-04-27T11:49:31+03:26",
              "utc": "1904-04-27T08:23:31Z",
              "ms": -2072705788631.0713
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 12:03 on Tue 26 Apr to 09:24 on Wed 27 Apr.",
          "fact": "1904-04-26T08:37:53Z → 1904-04-27T05:58:49Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:01–11:49 on the 26th, 11:01–11:49 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 0 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: purvaviddha → second-day · margin 851 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Dvādaśī, Mashhad, 1904: Wednesday 27 April.",
          "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": "1904-04-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-04-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Paraśurāma Dvādaśī 1904 falls on Wednesday 27 April. Dvādaśī runs from 12:03 on Tue 26 Apr to 09:24 on Wed 27 Apr, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/rukmini-dvadashi",
      "festival": "rukmini-dvadashi",
      "name": "Rukmiṇī Dvādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-04-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 851,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1904-04-26T12:03:53+03:26",
          "utc": "1904-04-26T08:37:53Z",
          "ms": -2072791327132.1387
        },
        "end": {
          "local": "1904-04-27T09:24:49+03:26",
          "utc": "1904-04-27T05:58:49Z",
          "ms": -2072714471355.3774
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-04-26T12:03:53+03:26",
          "utc": "1904-04-26T08:37:53Z",
          "ms": -2072791327132.1387
        },
        "end": {
          "local": "1904-04-27T09:24:49+03:26",
          "utc": "1904-04-27T05:58:49Z",
          "ms": -2072714471355.3774
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-04-26",
          "window": {
            "start": {
              "local": "1904-04-26T11:01:42+03:26",
              "utc": "1904-04-26T07:35:42Z",
              "ms": -2072795058460.4534
            },
            "end": {
              "local": "1904-04-26T11:49:42+03:26",
              "utc": "1904-04-26T08:23:42Z",
              "ms": -2072792178460.4534
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-04-27",
          "window": {
            "start": {
              "local": "1904-04-27T11:01:31+03:26",
              "utc": "1904-04-27T07:35:31Z",
              "ms": -2072708668631.0713
            },
            "end": {
              "local": "1904-04-27T11:49:31+03:26",
              "utc": "1904-04-27T08:23:31Z",
              "ms": -2072705788631.0713
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 12:03 on Tue 26 Apr to 09:24 on Wed 27 Apr.",
          "fact": "1904-04-26T08:37:53Z → 1904-04-27T05:58:49Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:01–11:49 on the 26th, 11:01–11:49 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 0 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: purvaviddha → second-day · margin 851 s"
        },
        {
          "step": "ruling",
          "text": "Rukmiṇī Dvādaśī, Mashhad, 1904: Wednesday 27 April.",
          "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": "1904-04-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-04-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Rukmiṇī Dvādaśī 1904 falls on Wednesday 27 April. Dvādaśī runs from 12:03 on Tue 26 Apr to 09:24 on Wed 27 Apr, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/pradosha-vrata?on=1904-04-27",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-04-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31565,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-04-27T09:24:49+03:26",
          "utc": "1904-04-27T05:58:49Z",
          "ms": -2072714471355.3774
        },
        "end": {
          "local": "1904-04-28T06:47:03+03:26",
          "utc": "1904-04-28T03:21:03Z",
          "ms": -2072637536992.3374
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-04-27T09:24:49+03:26",
          "utc": "1904-04-27T05:58:49Z",
          "ms": -2072714471355.3774
        },
        "end": {
          "local": "1904-04-28T06:47:03+03:26",
          "utc": "1904-04-28T03:21:03Z",
          "ms": -2072637536992.3374
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-04-27",
          "window": {
            "start": {
              "local": "1904-04-27T18:10:54+03:26",
              "utc": "1904-04-27T14:44:54Z",
              "ms": -2072682905880.116
            },
            "end": {
              "local": "1904-04-27T19:34:39+03:26",
              "utc": "1904-04-27T16:08:39Z",
              "ms": -2072677881383.1433
            }
          },
          "covered_min": 84,
          "window_min": 84,
          "qualifies": true
        },
        {
          "local_date": "1904-04-28",
          "window": {
            "start": {
              "local": "1904-04-28T18:11:46+03:26",
              "utc": "1904-04-28T14:45:46Z",
              "ms": -2072596454485.758
            },
            "end": {
              "local": "1904-04-28T19:35:14+03:26",
              "utc": "1904-04-28T16:09:14Z",
              "ms": -2072591446143.6443
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 09:24 on Wed 27 Apr to 06:46 on Thu 28 Apr.",
          "fact": "1904-04-27T05:58:49Z → 1904-04-28T03:21:03Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:10–19:34 on the 27th, 18:11–19:34 on the 28th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 84 of 84 minutes on the 27th and 0 of 83 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 31565 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Mashhad, 1904: Wednesday 27 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": "1904-04-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-04-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śukla Pradoṣa Vrata 1904 falls on Wednesday 27 April. Trayodaśī runs from 09:24 on Wed 27 Apr to 06:46 on Thu 28 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/pradosha-vrata?on=1904-04-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/nrisimha-chaturdashi",
      "festival": "nrisimha-chaturdashi",
      "name": "Nṛsiṃha Caturdaśī",
      "everyday": "Narasimha Jayanti",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-04-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31312,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1904-04-28T06:47:03+03:26",
          "utc": "1904-04-28T03:21:03Z",
          "ms": -2072637536992.3374
        },
        "end": {
          "local": "1904-04-29T04:17:06+03:26",
          "utc": "1904-04-29T00:51:06Z",
          "ms": -2072560134147.9438
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-04-28T06:47:03+03:26",
          "utc": "1904-04-28T03:21:03Z",
          "ms": -2072637536992.3374
        },
        "end": {
          "local": "1904-04-29T04:17:06+03:26",
          "utc": "1904-04-29T00:51:06Z",
          "ms": -2072560134147.9438
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-04-27",
          "window": {
            "start": {
              "local": "1904-04-27T18:10:54+03:26",
              "utc": "1904-04-27T14:44:54Z",
              "ms": -2072682905880.116
            },
            "end": {
              "local": "1904-04-27T19:34:39+03:26",
              "utc": "1904-04-27T16:08:39Z",
              "ms": -2072677881383.1433
            }
          },
          "covered_min": 0,
          "window_min": 84,
          "qualifies": false
        },
        {
          "local_date": "1904-04-28",
          "window": {
            "start": {
              "local": "1904-04-28T18:11:46+03:26",
              "utc": "1904-04-28T14:45:46Z",
              "ms": -2072596454485.758
            },
            "end": {
              "local": "1904-04-28T19:35:14+03:26",
              "utc": "1904-04-28T16:09:14Z",
              "ms": -2072591446143.6443
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 06:46 on Thu 28 Apr to 04:16 on Fri 29 Apr.",
          "fact": "1904-04-28T03:21:03Z → 1904-04-29T00:51:06Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:10–19:34 on the 27th, 18:11–19:34 on the 28th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 84 minutes on the 27th and 83 of 83 on the 28th.",
          "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 31312 s"
        },
        {
          "step": "ruling",
          "text": "Nṛsiṃha Caturdaśī, Mashhad, 1904: Thursday 28 April.",
          "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": "1904-04-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-04-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 1904 falls on Thursday 28 April. Caturdaśī runs from 06:46 on Thu 28 Apr to 04:16 on Fri 29 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/buddha-purnima",
      "festival": "buddha-purnima",
      "name": "Buddha Pūrṇimā",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-04-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24247,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1904-04-29T04:17:06+03:26",
          "utc": "1904-04-29T00:51:06Z",
          "ms": -2072560134147.9438
        },
        "end": {
          "local": "1904-04-30T02:02:14+03:26",
          "utc": "1904-04-29T22:36:14Z",
          "ms": -2072481825809.5352
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-04-29T04:17:06+03:26",
          "utc": "1904-04-29T00:51:06Z",
          "ms": -2072560134147.9438
        },
        "end": {
          "local": "1904-04-30T02:02:14+03:26",
          "utc": "1904-04-29T22:36:14Z",
          "ms": -2072481825809.5352
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-04-29",
          "window": {
            "start": {
              "local": "1904-04-29T11:01:12+03:26",
              "utc": "1904-04-29T07:35:12Z",
              "ms": -2072535887511.1885
            },
            "end": {
              "local": "1904-04-29T11:49:12+03:26",
              "utc": "1904-04-29T08:23:12Z",
              "ms": -2072533007511.1885
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-04-30",
          "window": {
            "start": {
              "local": "1904-04-30T11:01:04+03:26",
              "utc": "1904-04-30T07:35:04Z",
              "ms": -2072449496193.231
            },
            "end": {
              "local": "1904-04-30T11:49:04+03:26",
              "utc": "1904-04-30T08:23:04Z",
              "ms": -2072446616193.231
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 04:16 on Fri 29 Apr to 02:01 on Sat 30 Apr.",
          "fact": "1904-04-29T00:51:06Z → 1904-04-29T22:36:14Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:00–11:48 on the 29th, 11:00–11:48 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 24247 s"
        },
        {
          "step": "ruling",
          "text": "Buddha Pūrṇimā, Mashhad, 1904: Friday 29 April.",
          "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": "1904-04-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-04-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Buddha Pūrṇimā 1904 falls on Friday 29 April. Pūrṇimā runs from 04:16 on Fri 29 Apr to 02:01 on Sat 30 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/sampat-gauri-vrata",
      "festival": "sampat-gauri-vrata",
      "name": "Sampat Gaurī Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-04-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24247,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1904-04-29T04:17:06+03:26",
          "utc": "1904-04-29T00:51:06Z",
          "ms": -2072560134147.9438
        },
        "end": {
          "local": "1904-04-30T02:02:14+03:26",
          "utc": "1904-04-29T22:36:14Z",
          "ms": -2072481825809.5352
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-04-29T04:17:06+03:26",
          "utc": "1904-04-29T00:51:06Z",
          "ms": -2072560134147.9438
        },
        "end": {
          "local": "1904-04-30T02:02:14+03:26",
          "utc": "1904-04-29T22:36:14Z",
          "ms": -2072481825809.5352
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-04-29",
          "window": {
            "start": {
              "local": "1904-04-29T11:01:12+03:26",
              "utc": "1904-04-29T07:35:12Z",
              "ms": -2072535887511.1885
            },
            "end": {
              "local": "1904-04-29T11:49:12+03:26",
              "utc": "1904-04-29T08:23:12Z",
              "ms": -2072533007511.1885
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-04-30",
          "window": {
            "start": {
              "local": "1904-04-30T11:01:04+03:26",
              "utc": "1904-04-30T07:35:04Z",
              "ms": -2072449496193.231
            },
            "end": {
              "local": "1904-04-30T11:49:04+03:26",
              "utc": "1904-04-30T08:23:04Z",
              "ms": -2072446616193.231
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 04:16 on Fri 29 Apr to 02:01 on Sat 30 Apr.",
          "fact": "1904-04-29T00:51:06Z → 1904-04-29T22:36:14Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:00–11:48 on the 29th, 11:00–11:48 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 0 of 48 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 24247 s"
        },
        {
          "step": "ruling",
          "text": "Sampat Gaurī Vrata, Mashhad, 1904: Friday 29 April.",
          "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": "1904-04-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-04-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Sampat Gaurī Vrata 1904 falls on Friday 29 April. Pūrṇimā runs from 04:16 on Fri 29 Apr to 02:01 on Sat 30 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/sankashta-chaturthi?on=1904-05-03",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-05-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1053,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-05-02T22:04:07+03:26",
          "utc": "1904-05-02T18:38:07Z",
          "ms": -2072236912511.7615
        },
        "end": {
          "local": "1904-05-03T22:01:49+03:26",
          "utc": "1904-05-03T18:35:49Z",
          "ms": -2072150650524.6328
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-05-02T22:04:07+03:26",
          "utc": "1904-05-02T18:38:07Z",
          "ms": -2072236912511.7615
        },
        "end": {
          "local": "1904-05-03T22:01:49+03:26",
          "utc": "1904-05-03T18:35:49Z",
          "ms": -2072150650524.6328
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1904-05-02",
          "window": {
            "start": {
              "local": "1904-05-02T20:50:09+03:26",
              "utc": "1904-05-02T17:24:09Z",
              "ms": -2072241351229.8306
            },
            "end": {
              "local": "1904-05-02T20:50:09+03:26",
              "utc": "1904-05-02T17:24:09Z",
              "ms": -2072241351229.8306
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1904-05-03",
          "window": {
            "start": {
              "local": "1904-05-03T21:44:17+03:26",
              "utc": "1904-05-03T18:18:17Z",
              "ms": -2072151703116.0784
            },
            "end": {
              "local": "1904-05-03T21:44:17+03:26",
              "utc": "1904-05-03T18:18:17Z",
              "ms": -2072151703116.0784
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 22:03 on Mon 2 May to 22:01 on Tue 3 May.",
          "fact": "1904-05-02T18:38:07Z → 1904-05-03T18:35:49Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:49 on the 2nd and 21:43 on the 3rd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 2nd and is on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 1053 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mashhad, 1904: Tuesday 3 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": "1904-05-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-05-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1904 falls on Tuesday 3 May. Caturthī runs from 22:03 on Mon 2 May to 22:01 on Tue 3 May and is current at moonrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/sankashta-chaturthi?on=1904-05-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/ekadashi?on=1904-05-11",
      "festival": "ekadashi",
      "name": "Aparā Ekādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-05-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18257,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1904-05-10T09:30:32+03:26",
          "utc": "1904-05-10T06:04:32Z",
          "ms": -2071590927657.4963
        },
        "end": {
          "local": "1904-05-11T11:38:03+03:26",
          "utc": "1904-05-11T08:12:03Z",
          "ms": -2071496876635.394
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-05-10T09:30:32+03:26",
          "utc": "1904-05-10T06:04:32Z",
          "ms": -2071590927657.4963
        },
        "end": {
          "local": "1904-05-11T11:38:03+03:26",
          "utc": "1904-05-11T08:12:03Z",
          "ms": -2071496876635.394
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-05-10",
          "window": {
            "start": {
              "local": "1904-05-10T04:26:16+03:26",
              "utc": "1904-05-10T01:00:16Z",
              "ms": -2071609184297.0188
            },
            "end": {
              "local": "1904-05-10T04:26:16+03:26",
              "utc": "1904-05-10T01:00:16Z",
              "ms": -2071609184297.0188
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1904-05-11",
          "window": {
            "start": {
              "local": "1904-05-11T04:25:20+03:26",
              "utc": "1904-05-11T00:59:20Z",
              "ms": -2071522839673.2612
            },
            "end": {
              "local": "1904-05-11T04:25:20+03:26",
              "utc": "1904-05-11T00:59:20Z",
              "ms": -2071522839673.2612
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 09:30 on Tue 10 May to 11:37 on Wed 11 May.",
          "fact": "1904-05-10T06:04:32Z → 1904-05-11T08:12:03Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 04:25 on the 10th and 04:24 on the 11th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 10th and is on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 18257 s"
        },
        {
          "step": "ruling",
          "text": "Aparā Ekādaśī, Mashhad, 1904: Wednesday 11 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": "1904-05-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-05-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Aparā Ekādaśī 1904 falls on Wednesday 11 May. Ekādaśī runs from 09:30 on Tue 10 May to 11:37 on Wed 11 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/ekadashi?on=1904-05-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/pradosha-vrata?on=1904-05-12",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-05-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14915,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-05-12T13:15:14+03:26",
          "utc": "1904-05-12T09:49:14Z",
          "ms": -2071404645961.3743
        },
        "end": {
          "local": "1904-05-13T14:15:54+03:26",
          "utc": "1904-05-13T10:49:54Z",
          "ms": -2071314605986.6492
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-05-12T13:15:14+03:26",
          "utc": "1904-05-12T09:49:14Z",
          "ms": -2071404645961.3743
        },
        "end": {
          "local": "1904-05-13T14:15:54+03:26",
          "utc": "1904-05-13T10:49:54Z",
          "ms": -2071314605986.6492
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-05-12",
          "window": {
            "start": {
              "local": "1904-05-12T18:23:39+03:26",
              "utc": "1904-05-12T14:57:39Z",
              "ms": -2071386140753.6006
            },
            "end": {
              "local": "1904-05-12T19:43:39+03:26",
              "utc": "1904-05-12T16:17:39Z",
              "ms": -2071381341491.1155
            }
          },
          "covered_min": 80,
          "window_min": 80,
          "qualifies": true
        },
        {
          "local_date": "1904-05-13",
          "window": {
            "start": {
              "local": "1904-05-13T18:24:29+03:26",
              "utc": "1904-05-13T14:58:29Z",
              "ms": -2071299690847.891
            },
            "end": {
              "local": "1904-05-13T19:44:15+03:26",
              "utc": "1904-05-13T16:18:15Z",
              "ms": -2071294905065.0522
            }
          },
          "covered_min": 0,
          "window_min": 80,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 13:14 on Thu 12 May to 14:15 on Fri 13 May.",
          "fact": "1904-05-12T09:49:14Z → 1904-05-13T10:49:54Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:23–19:43 on the 12th, 18:23–19:43 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 80 of 80 minutes on the 12th and 0 of 80 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 14915 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1904: Thursday 12 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": "1904-05-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-05-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1904 falls on Thursday 12 May. Trayodaśī runs from 13:14 on Thu 12 May to 14:15 on Fri 13 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/pradosha-vrata?on=1904-05-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/shivaratri?on=1904-05-13",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-05-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30083,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1904-05-13T14:15:54+03:26",
          "utc": "1904-05-13T10:49:54Z",
          "ms": -2071314605986.6492
        },
        "end": {
          "local": "1904-05-14T14:38:13+03:26",
          "utc": "1904-05-14T11:12:13Z",
          "ms": -2071226867034.7017
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-05-13T14:15:54+03:26",
          "utc": "1904-05-13T10:49:54Z",
          "ms": -2071314605986.6492
        },
        "end": {
          "local": "1904-05-14T14:38:13+03:26",
          "utc": "1904-05-14T11:12:13Z",
          "ms": -2071226867034.7017
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1904-05-13",
          "window": {
            "start": {
              "local": "1904-05-13T22:59:36+03:26",
              "utc": "1904-05-13T19:33:36Z",
              "ms": -2071283184162.245
            },
            "end": {
              "local": "1904-05-13T23:47:36+03:26",
              "utc": "1904-05-13T20:21:36Z",
              "ms": -2071280304162.245
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-05-14",
          "window": {
            "start": {
              "local": "1904-05-14T22:59:36+03:26",
              "utc": "1904-05-14T19:33:36Z",
              "ms": -2071196784221.909
            },
            "end": {
              "local": "1904-05-14T23:47:36+03:26",
              "utc": "1904-05-14T20:21:36Z",
              "ms": -2071193904221.909
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 14:15 on Fri 13 May to 14:37 on Sat 14 May.",
          "fact": "1904-05-13T10:49:54Z → 1904-05-14T11:12:13Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:59–23:47 on the 13th, 22:59–23:47 on the 14th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 30083 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Mashhad, 1904: Friday 13 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": "1904-05-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-05-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śivarātri 1904 falls on Friday 13 May. Caturdaśī runs from 14:15 on Fri 13 May to 14:37 on Sat 14 May and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/shivaratri?on=1904-05-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/vinayaka-chaturthi?on=1904-05-18",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-05-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 637,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-05-18T10:49:26+03:26",
          "utc": "1904-05-18T07:23:26Z",
          "ms": -2070894994053.782
        },
        "end": {
          "local": "1904-05-19T09:00:17+03:26",
          "utc": "1904-05-19T05:34:17Z",
          "ms": -2070815143032.4167
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": true,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-05-18T10:49:26+03:26",
          "utc": "1904-05-18T07:23:26Z",
          "ms": -2070894994053.782
        },
        "end": {
          "local": "1904-05-19T09:00:17+03:26",
          "utc": "1904-05-19T05:34:17Z",
          "ms": -2070815143032.4167
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-05-18",
          "window": {
            "start": {
              "local": "1904-05-18T11:00:03+03:26",
              "utc": "1904-05-18T07:34:03Z",
              "ms": -2070894356849.3489
            },
            "end": {
              "local": "1904-05-18T11:48:03+03:26",
              "utc": "1904-05-18T08:22:03Z",
              "ms": -2070891476849.3489
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-05-19",
          "window": {
            "start": {
              "local": "1904-05-19T11:00:05+03:26",
              "utc": "1904-05-19T07:34:05Z",
              "ms": -2070807954864.5254
            },
            "end": {
              "local": "1904-05-19T11:48:05+03:26",
              "utc": "1904-05-19T08:22:05Z",
              "ms": -2070805074864.5254
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 10:48 on Wed 18 May to 08:59 on Thu 19 May.",
          "fact": "1904-05-18T07:23:26Z → 1904-05-19T05:34:17Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 18th, 10:59–11:47 on the 19th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 637 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Mashhad, 1904: Wednesday 18 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-05-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-05-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Vināyaka Caturthī 1904 falls on Wednesday 18 May. Caturthī runs from 10:48 on Wed 18 May to 08:59 on Thu 19 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/vinayaka-chaturthi?on=1904-05-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/ekadashi?on=1904-05-25",
      "festival": "ekadashi",
      "name": "Śukla Ekādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-05-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28064,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1904-05-24T20:27:15+03:26",
          "utc": "1904-05-24T17:01:15Z",
          "ms": -2070341925408.8098
        },
        "end": {
          "local": "1904-05-25T18:26:20+03:26",
          "utc": "1904-05-25T15:00:20Z",
          "ms": -2070262780371.8477
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": true,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-05-24T20:27:15+03:26",
          "utc": "1904-05-24T17:01:15Z",
          "ms": -2070341925408.8098
        },
        "end": {
          "local": "1904-05-25T18:26:20+03:26",
          "utc": "1904-05-25T15:00:20Z",
          "ms": -2070262780371.8477
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-05-25",
          "window": {
            "start": {
              "local": "1904-05-25T04:14:58+03:26",
              "utc": "1904-05-25T00:48:58Z",
              "ms": -2070313861839.7969
            },
            "end": {
              "local": "1904-05-25T04:14:58+03:26",
              "utc": "1904-05-25T00:48:58Z",
              "ms": -2070313861839.7969
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1904-05-26",
          "window": {
            "start": {
              "local": "1904-05-26T04:14:25+03:26",
              "utc": "1904-05-26T00:48:25Z",
              "ms": -2070227494630.9736
            },
            "end": {
              "local": "1904-05-26T04:14:25+03:26",
              "utc": "1904-05-26T00:48:25Z",
              "ms": -2070227494630.9736
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 20:26 on Tue 24 May to 18:25 on Wed 25 May.",
          "fact": "1904-05-24T17:01:15Z → 1904-05-25T15:00:20Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 04:14 on the 25th and 04:13 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 28064 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Ekādaśī, Mashhad, 1904: Wednesday 25 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": "1904-05-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-05-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śukla Ekādaśī 1904 falls on Wednesday 25 May. Ekādaśī runs from 20:26 on Tue 24 May to 18:25 on Wed 25 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/ekadashi?on=1904-05-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/pradosha-vrata?on=1904-05-26",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-05-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7317,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-05-26T16:32:44+03:26",
          "utc": "1904-05-26T13:06:44Z",
          "ms": -2070183196119.0857
        },
        "end": {
          "local": "1904-05-27T14:50:26+03:26",
          "utc": "1904-05-27T11:24:26Z",
          "ms": -2070102933677.6223
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": true,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-05-26T16:32:44+03:26",
          "utc": "1904-05-26T13:06:44Z",
          "ms": -2070183196119.0857
        },
        "end": {
          "local": "1904-05-27T14:50:26+03:26",
          "utc": "1904-05-27T11:24:26Z",
          "ms": -2070102933677.6223
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-05-26",
          "window": {
            "start": {
              "local": "1904-05-26T18:34:41+03:26",
              "utc": "1904-05-26T15:08:41Z",
              "ms": -2070175878866.3784
            },
            "end": {
              "local": "1904-05-26T19:51:55+03:26",
              "utc": "1904-05-26T16:25:55Z",
              "ms": -2070171245121.3545
            }
          },
          "covered_min": 77,
          "window_min": 77,
          "qualifies": true
        },
        {
          "local_date": "1904-05-27",
          "window": {
            "start": {
              "local": "1904-05-27T18:35:24+03:26",
              "utc": "1904-05-27T15:09:24Z",
              "ms": -2070089435819.2097
            },
            "end": {
              "local": "1904-05-27T19:52:28+03:26",
              "utc": "1904-05-27T16:26:28Z",
              "ms": -2070084811745.6287
            }
          },
          "covered_min": 0,
          "window_min": 77,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 16:32 on Thu 26 May to 14:49 on Fri 27 May.",
          "fact": "1904-05-26T13:06:44Z → 1904-05-27T11:24:26Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:34–19:51 on the 26th, 18:34–19:51 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 77 of 77 minutes on the 26th and 0 of 77 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 7317 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Mashhad, 1904: Thursday 26 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": "1904-05-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-05-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śukla Pradoṣa Vrata 1904 falls on Thursday 26 May. Trayodaśī runs from 16:32 on Thu 26 May to 14:49 on Fri 27 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/pradosha-vrata?on=1904-05-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/sankashta-chaturthi?on=1904-06-01",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-06-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30222,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-06-01T12:17:21+03:26",
          "utc": "1904-06-01T08:51:21Z",
          "ms": -2069680119279.0603
        },
        "end": {
          "local": "1904-06-02T13:30:14+03:26",
          "utc": "1904-06-02T10:04:14Z",
          "ms": -2069589345735.3333
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": true,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-06-01T12:17:21+03:26",
          "utc": "1904-06-01T08:51:21Z",
          "ms": -2069680119279.0603
        },
        "end": {
          "local": "1904-06-02T13:30:14+03:26",
          "utc": "1904-06-02T10:04:14Z",
          "ms": -2069589345735.3333
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1904-06-01",
          "window": {
            "start": {
              "local": "1904-06-01T21:11:50+03:26",
              "utc": "1904-06-01T17:45:50Z",
              "ms": -2069648050029.4756
            },
            "end": {
              "local": "1904-06-01T21:11:50+03:26",
              "utc": "1904-06-01T17:45:50Z",
              "ms": -2069648050029.4756
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1904-06-02",
          "window": {
            "start": {
              "local": "1904-06-02T21:53:56+03:26",
              "utc": "1904-06-02T18:27:56Z",
              "ms": -2069559124164.642
            },
            "end": {
              "local": "1904-06-02T21:53:56+03:26",
              "utc": "1904-06-02T18:27:56Z",
              "ms": -2069559124164.642
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 12:16 on Wed 1 Jun to 13:29 on Thu 2 Jun.",
          "fact": "1904-06-01T08:51:21Z → 1904-06-02T10:04:14Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:11 on the 1st and 21:53 on the 2nd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 1st and is not on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 30222 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mashhad, 1904: Wednesday 1 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": "1904-06-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-06-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1904 falls on Wednesday 1 June. Caturthī runs from 12:16 on Wed 1 Jun to 13:29 on Thu 2 Jun and is current at moonrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/sankashta-chaturthi?on=1904-06-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/ekadashi?on=1904-06-09",
      "festival": "ekadashi",
      "name": "Kṛṣṇa Ekādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-06-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2245,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1904-06-09T02:28:53+03:26",
          "utc": "1904-06-08T23:02:53Z",
          "ms": -2069024226646.6401
        },
        "end": {
          "local": "1904-06-10T03:32:12+03:26",
          "utc": "1904-06-10T00:06:12Z",
          "ms": -2068934027594.1047
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": true,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-06-09T02:28:53+03:26",
          "utc": "1904-06-08T23:02:53Z",
          "ms": -2069024226646.6401
        },
        "end": {
          "local": "1904-06-10T03:32:12+03:26",
          "utc": "1904-06-10T00:06:12Z",
          "ms": -2068934027594.1047
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-06-09",
          "window": {
            "start": {
              "local": "1904-06-09T04:09:44+03:26",
              "utc": "1904-06-09T00:43:44Z",
              "ms": -2069018175699.4333
            },
            "end": {
              "local": "1904-06-09T04:09:44+03:26",
              "utc": "1904-06-09T00:43:44Z",
              "ms": -2069018175699.4333
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1904-06-10",
          "window": {
            "start": {
              "local": "1904-06-10T04:09:37+03:26",
              "utc": "1904-06-10T00:43:37Z",
              "ms": -2068931782804.321
            },
            "end": {
              "local": "1904-06-10T04:09:37+03:26",
              "utc": "1904-06-10T00:43:37Z",
              "ms": -2068931782804.321
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 02:28 on Thu 9 Jun to 03:31 on Fri 10 Jun.",
          "fact": "1904-06-08T23:02:53Z → 1904-06-10T00:06:12Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 04:09 on the 9th and 04:09 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 not 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 2245 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Ekādaśī, Mashhad, 1904: Thursday 9 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": "1904-06-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-06-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Kṛṣṇa Ekādaśī 1904 falls on Thursday 9 June. Ekādaśī runs from 02:28 on Thu 9 Jun to 03:31 on Fri 10 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/ekadashi?on=1904-06-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/pradosha-vrata?on=1904-06-11",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-06-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26696,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-06-11T03:50:48+03:26",
          "utc": "1904-06-11T00:24:48Z",
          "ms": -2068846511969.954
        },
        "end": {
          "local": "1904-06-12T03:24:39+03:26",
          "utc": "1904-06-11T23:58:39Z",
          "ms": -2068761680837.187
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": true,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-06-11T03:50:48+03:26",
          "utc": "1904-06-11T00:24:48Z",
          "ms": -2068846511969.954
        },
        "end": {
          "local": "1904-06-12T03:24:39+03:26",
          "utc": "1904-06-11T23:58:39Z",
          "ms": -2068761680837.187
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-06-10",
          "window": {
            "start": {
              "local": "1904-06-10T18:43:54+03:26",
              "utc": "1904-06-10T15:17:54Z",
              "ms": -2068879325841.2456
            },
            "end": {
              "local": "1904-06-10T19:59:19+03:26",
              "utc": "1904-06-10T16:33:19Z",
              "ms": -2068874800820.8132
            }
          },
          "covered_min": 0,
          "window_min": 75,
          "qualifies": false
        },
        {
          "local_date": "1904-06-11",
          "window": {
            "start": {
              "local": "1904-06-11T18:44:23+03:26",
              "utc": "1904-06-11T15:18:23Z",
              "ms": -2068792897444.9973
            },
            "end": {
              "local": "1904-06-11T19:59:43+03:26",
              "utc": "1904-06-11T16:33:43Z",
              "ms": -2068788376700.4998
            }
          },
          "covered_min": 75,
          "window_min": 75,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 03:50 on Sat 11 Jun to 03:24 on Sun 12 Jun.",
          "fact": "1904-06-11T00:24:48Z → 1904-06-11T23:58:39Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–19:58 on the 10th, 18:43–19:59 on the 11th.",
          "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 10th and 75 of 75 on the 11th.",
          "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 26696 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1904: Saturday 11 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": "1904-06-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-06-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1904 falls on Saturday 11 June. Trayodaśī runs from 03:50 on Sat 11 Jun to 03:24 on Sun 12 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/pradosha-vrata?on=1904-06-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/shivaratri?on=1904-06-12",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-06-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8789,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1904-06-12T03:24:39+03:26",
          "utc": "1904-06-11T23:58:39Z",
          "ms": -2068761680837.187
        },
        "end": {
          "local": "1904-06-13T02:17:37+03:26",
          "utc": "1904-06-12T22:51:37Z",
          "ms": -2068679302998.5327
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": true,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-06-12T03:24:39+03:26",
          "utc": "1904-06-11T23:58:39Z",
          "ms": -2068761680837.187
        },
        "end": {
          "local": "1904-06-13T02:17:37+03:26",
          "utc": "1904-06-12T22:51:37Z",
          "ms": -2068679302998.5327
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1904-06-11",
          "window": {
            "start": {
              "local": "1904-06-11T23:02:55+03:26",
              "utc": "1904-06-11T19:36:55Z",
              "ms": -2068777384653.1313
            },
            "end": {
              "local": "1904-06-11T23:50:55+03:26",
              "utc": "1904-06-11T20:24:55Z",
              "ms": -2068774504653.1313
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-06-12",
          "window": {
            "start": {
              "local": "1904-06-12T23:03:08+03:26",
              "utc": "1904-06-12T19:37:08Z",
              "ms": -2068690972076.1326
            },
            "end": {
              "local": "1904-06-12T23:51:08+03:26",
              "utc": "1904-06-12T20:25:08Z",
              "ms": -2068688092076.1326
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 03:24 on Sun 12 Jun to 02:17 on Mon 13 Jun.",
          "fact": "1904-06-11T23:58:39Z → 1904-06-12T22:51:37Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:02–23:50 on the 11th, 23:02–23:50 on the 12th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 8789 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Mashhad, 1904: Sunday 12 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": "1904-06-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-06-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śivarātri 1904 falls on Sunday 12 June. Caturdaśī runs from 03:24 on Sun 12 Jun to 02:17 on Mon 13 Jun and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/shivaratri?on=1904-06-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/rambha-tritiya",
      "festival": "rambha-tritiya",
      "name": "Rambhā Tṛtīyā",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-06-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20127,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1904-06-15T20:02:44+03:26",
          "utc": "1904-06-15T16:36:44Z",
          "ms": -2068442596014.9202
        },
        "end": {
          "local": "1904-06-16T17:27:24+03:26",
          "utc": "1904-06-16T14:01:24Z",
          "ms": -2068365515816.0479
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-06-15T20:02:44+03:26",
          "utc": "1904-06-15T16:36:44Z",
          "ms": -2068442596014.9202
        },
        "end": {
          "local": "1904-06-16T17:27:24+03:26",
          "utc": "1904-06-16T14:01:24Z",
          "ms": -2068365515816.0479
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-06-15",
          "window": {
            "start": {
              "local": "1904-06-15T11:03:45+03:26",
              "utc": "1904-06-15T07:37:45Z",
              "ms": -2068474934828.9941
            },
            "end": {
              "local": "1904-06-15T11:51:45+03:26",
              "utc": "1904-06-15T08:25:45Z",
              "ms": -2068472054828.9941
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-06-16",
          "window": {
            "start": {
              "local": "1904-06-16T11:03:58+03:26",
              "utc": "1904-06-16T07:37:58Z",
              "ms": -2068388522475.6528
            },
            "end": {
              "local": "1904-06-16T11:51:58+03:26",
              "utc": "1904-06-16T08:25:58Z",
              "ms": -2068385642475.6528
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 20:02 on Wed 15 Jun to 17:26 on Thu 16 Jun.",
          "fact": "1904-06-15T16:36:44Z → 1904-06-16T14:01:24Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:03–11:51 on the 15th, 11:03–11:51 on the 16th.",
          "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 15th and 48 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: purvaviddha → only-day · margin 20127 s"
        },
        {
          "step": "ruling",
          "text": "Rambhā Tṛtīyā, Mashhad, 1904: Thursday 16 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": "1904-06-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-06-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Rambhā Tṛtīyā 1904 falls on Thursday 16 June. Tṛtīyā runs from 20:02 on Wed 15 Jun to 17:26 on Thu 16 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/vinayaka-chaturthi?on=1904-06-17",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-06-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10659,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-06-16T17:27:24+03:26",
          "utc": "1904-06-16T14:01:24Z",
          "ms": -2068365515816.0479
        },
        "end": {
          "local": "1904-06-17T14:49:49+03:26",
          "utc": "1904-06-17T11:23:49Z",
          "ms": -2068288571211.8213
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-06-16T17:27:24+03:26",
          "utc": "1904-06-16T14:01:24Z",
          "ms": -2068365515816.0479
        },
        "end": {
          "local": "1904-06-17T14:49:49+03:26",
          "utc": "1904-06-17T11:23:49Z",
          "ms": -2068288571211.8213
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-06-16",
          "window": {
            "start": {
              "local": "1904-06-16T11:03:58+03:26",
              "utc": "1904-06-16T07:37:58Z",
              "ms": -2068388522475.6528
            },
            "end": {
              "local": "1904-06-16T11:51:58+03:26",
              "utc": "1904-06-16T08:25:58Z",
              "ms": -2068385642475.6528
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-06-17",
          "window": {
            "start": {
              "local": "1904-06-17T11:04:10+03:26",
              "utc": "1904-06-17T07:38:10Z",
              "ms": -2068302110035.205
            },
            "end": {
              "local": "1904-06-17T11:52:10+03:26",
              "utc": "1904-06-17T08:26:10Z",
              "ms": -2068299230035.205
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 17:26 on Thu 16 Jun to 14:49 on Fri 17 Jun.",
          "fact": "1904-06-16T14:01:24Z → 1904-06-17T11:23:49Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:03–11:51 on the 16th, 11:03–11:51 on the 17th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 10659 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Mashhad, 1904: Friday 17 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": "1904-06-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-06-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Vināyaka Caturthī 1904 falls on Friday 17 June. Caturthī runs from 17:26 on Thu 16 Jun to 14:49 on Fri 17 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/vinayaka-chaturthi?on=1904-06-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/aranya-gauri-vrata",
      "festival": "aranya-gauri-vrata",
      "name": "Araṇya Gaurī Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-06-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1425,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1904-06-18T12:16:07+03:26",
          "utc": "1904-06-18T08:50:07Z",
          "ms": -2068211392647.2668
        },
        "end": {
          "local": "1904-06-19T09:51:02+03:26",
          "utc": "1904-06-19T06:25:02Z",
          "ms": -2068133697745.9949
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-06-18T12:16:07+03:26",
          "utc": "1904-06-18T08:50:07Z",
          "ms": -2068211392647.2668
        },
        "end": {
          "local": "1904-06-19T09:51:02+03:26",
          "utc": "1904-06-19T06:25:02Z",
          "ms": -2068133697745.9949
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-06-18",
          "window": {
            "start": {
              "local": "1904-06-18T11:04:22+03:26",
              "utc": "1904-06-18T07:38:22Z",
              "ms": -2068215697534.8887
            },
            "end": {
              "local": "1904-06-18T11:52:22+03:26",
              "utc": "1904-06-18T08:26:22Z",
              "ms": -2068212817534.8887
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-06-19",
          "window": {
            "start": {
              "local": "1904-06-19T11:04:35+03:26",
              "utc": "1904-06-19T07:38:35Z",
              "ms": -2068129285000.9106
            },
            "end": {
              "local": "1904-06-19T11:52:35+03:26",
              "utc": "1904-06-19T08:26:35Z",
              "ms": -2068126405000.9106
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 12:15 on Sat 18 Jun to 09:50 on Sun 19 Jun.",
          "fact": "1904-06-18T08:50:07Z → 1904-06-19T06:25:02Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:03–11:51 on the 18th, 11:04–11:52 on the 19th.",
          "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 18th and 0 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: paraviddha → second-day · margin 1425 s"
        },
        {
          "step": "ruling",
          "text": "Araṇya Gaurī Vrata, Mashhad, 1904: Sunday 19 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": "1904-06-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-06-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Araṇya Gaurī Vrata 1904 falls on Sunday 19 June. Ṣaṣṭhī runs from 12:15 on Sat 18 Jun to 09:50 on Sun 19 Jun, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/skanda-shashthi-jyaishtha",
      "festival": "skanda-shashthi-jyaishtha",
      "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-06-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1425,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1904-06-18T12:16:07+03:26",
          "utc": "1904-06-18T08:50:07Z",
          "ms": -2068211392647.2668
        },
        "end": {
          "local": "1904-06-19T09:51:02+03:26",
          "utc": "1904-06-19T06:25:02Z",
          "ms": -2068133697745.9949
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-06-18T12:16:07+03:26",
          "utc": "1904-06-18T08:50:07Z",
          "ms": -2068211392647.2668
        },
        "end": {
          "local": "1904-06-19T09:51:02+03:26",
          "utc": "1904-06-19T06:25:02Z",
          "ms": -2068133697745.9949
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-06-18",
          "window": {
            "start": {
              "local": "1904-06-18T11:04:22+03:26",
              "utc": "1904-06-18T07:38:22Z",
              "ms": -2068215697534.8887
            },
            "end": {
              "local": "1904-06-18T11:52:22+03:26",
              "utc": "1904-06-18T08:26:22Z",
              "ms": -2068212817534.8887
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-06-19",
          "window": {
            "start": {
              "local": "1904-06-19T11:04:35+03:26",
              "utc": "1904-06-19T07:38:35Z",
              "ms": -2068129285000.9106
            },
            "end": {
              "local": "1904-06-19T11:52:35+03:26",
              "utc": "1904-06-19T08:26:35Z",
              "ms": -2068126405000.9106
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 12:15 on Sat 18 Jun to 09:50 on Sun 19 Jun.",
          "fact": "1904-06-18T08:50:07Z → 1904-06-19T06:25:02Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:03–11:51 on the 18th, 11:04–11:52 on the 19th.",
          "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 18th and 0 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: purvaviddha → second-day · margin 1425 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Mashhad, 1904: Sunday 19 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": "1904-06-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-06-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Skanda Ṣaṣṭhī (Jyaiṣṭha) 1904 falls on Sunday 19 June. Ṣaṣṭhī runs from 12:15 on Sat 18 Jun to 09:50 on Sun 19 Jun, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/ekadashi?on=1904-06-23",
      "festival": "ekadashi",
      "name": "Nirjalā Ekādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-06-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6351,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1904-06-23T02:24:45+03:26",
          "utc": "1904-06-22T22:58:45Z",
          "ms": -2067814875400.7966
        },
        "end": {
          "local": "1904-06-24T01:12:14+03:26",
          "utc": "1904-06-23T21:46:14Z",
          "ms": -2067732825502.9485
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-06-23T02:24:45+03:26",
          "utc": "1904-06-22T22:58:45Z",
          "ms": -2067814875400.7966
        },
        "end": {
          "local": "1904-06-24T01:12:14+03:26",
          "utc": "1904-06-23T21:46:14Z",
          "ms": -2067732825502.9485
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-06-23",
          "window": {
            "start": {
              "local": "1904-06-23T04:10:36+03:26",
              "utc": "1904-06-23T00:44:36Z",
              "ms": -2067808524331.0847
            },
            "end": {
              "local": "1904-06-23T04:10:36+03:26",
              "utc": "1904-06-23T00:44:36Z",
              "ms": -2067808524331.0847
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1904-06-24",
          "window": {
            "start": {
              "local": "1904-06-24T04:10:51+03:26",
              "utc": "1904-06-24T00:44:51Z",
              "ms": -2067722108915.904
            },
            "end": {
              "local": "1904-06-24T04:10:51+03:26",
              "utc": "1904-06-24T00:44:51Z",
              "ms": -2067722108915.904
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 02:24 on Thu 23 Jun to 01:11 on Fri 24 Jun.",
          "fact": "1904-06-22T22:58:45Z → 1904-06-23T21:46:14Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 04:10 on the 23rd and 04:10 on the 24th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 23rd and is not on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 6351 s"
        },
        {
          "step": "ruling",
          "text": "Nirjalā Ekādaśī, Mashhad, 1904: Thursday 23 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": "1904-06-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-06-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Nirjalā Ekādaśī 1904 falls on Thursday 23 June. Ekādaśī runs from 02:24 on Thu 23 Jun to 01:11 on Fri 24 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/ekadashi?on=1904-06-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/shri-rama-dvadashi",
      "festival": "shri-rama-dvadashi",
      "name": "Śrī Rāma Dvādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-06-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35603,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1904-06-24T01:12:14+03:26",
          "utc": "1904-06-23T21:46:14Z",
          "ms": -2067732825502.9485
        },
        "end": {
          "local": "1904-06-25T00:17:46+03:26",
          "utc": "1904-06-24T20:51:46Z",
          "ms": -2067649693556.975
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-06-24T01:12:14+03:26",
          "utc": "1904-06-23T21:46:14Z",
          "ms": -2067732825502.9485
        },
        "end": {
          "local": "1904-06-25T00:17:46+03:26",
          "utc": "1904-06-24T20:51:46Z",
          "ms": -2067649693556.975
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-06-24",
          "window": {
            "start": {
              "local": "1904-06-24T11:05:37+03:26",
              "utc": "1904-06-24T07:39:37Z",
              "ms": -2067697222655.104
            },
            "end": {
              "local": "1904-06-24T11:53:37+03:26",
              "utc": "1904-06-24T08:27:37Z",
              "ms": -2067694342655.104
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-06-25",
          "window": {
            "start": {
              "local": "1904-06-25T11:05:50+03:26",
              "utc": "1904-06-25T07:39:50Z",
              "ms": -2067610810400.9658
            },
            "end": {
              "local": "1904-06-25T11:53:50+03:26",
              "utc": "1904-06-25T08:27:50Z",
              "ms": -2067607930400.9658
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 01:11 on Fri 24 Jun to 00:17 on Sat 25 Jun.",
          "fact": "1904-06-23T21:46:14Z → 1904-06-24T20:51:46Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 24th, 11:05–11:53 on the 25th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 35603 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Rāma Dvādaśī, Mashhad, 1904: Friday 24 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": "1904-06-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-06-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śrī Rāma Dvādaśī 1904 falls on Friday 24 June. Dvādaśī runs from 01:11 on Fri 24 Jun to 00:17 on Sat 25 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/pradosha-vrata?on=1904-06-25",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-06-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13207,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-06-25T00:17:46+03:26",
          "utc": "1904-06-24T20:51:46Z",
          "ms": -2067649693556.975
        },
        "end": {
          "local": "1904-06-25T23:43:41+03:26",
          "utc": "1904-06-25T20:17:41Z",
          "ms": -2067565338847.1418
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-06-25T00:17:46+03:26",
          "utc": "1904-06-24T20:51:46Z",
          "ms": -2067649693556.975
        },
        "end": {
          "local": "1904-06-25T23:43:41+03:26",
          "utc": "1904-06-25T20:17:41Z",
          "ms": -2067565338847.1418
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-06-24",
          "window": {
            "start": {
              "local": "1904-06-24T18:48:24+03:26",
              "utc": "1904-06-24T15:22:24Z",
              "ms": -2067669456394.3042
            },
            "end": {
              "local": "1904-06-24T20:03:26+03:26",
              "utc": "1904-06-24T16:37:26Z",
              "ms": -2067664954481.9067
            }
          },
          "covered_min": 0,
          "window_min": 75,
          "qualifies": false
        },
        {
          "local_date": "1904-06-25",
          "window": {
            "start": {
              "local": "1904-06-25T18:48:31+03:26",
              "utc": "1904-06-25T15:22:31Z",
              "ms": -2067583048750.6082
            },
            "end": {
              "local": "1904-06-25T20:03:35+03:26",
              "utc": "1904-06-25T16:37:35Z",
              "ms": -2067578545418.7156
            }
          },
          "covered_min": 75,
          "window_min": 75,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 00:17 on Sat 25 Jun to 23:43 on Sat 25 Jun.",
          "fact": "1904-06-24T20:51:46Z → 1904-06-25T20:17:41Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:47–20:02 on the 24th, 18:48–20:03 on the 25th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 75 minutes on the 24th and 75 of 75 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 13207 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Mashhad, 1904: Saturday 25 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": "1904-06-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-06-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śukla Pradoṣa Vrata 1904 falls on Saturday 25 June. Trayodaśī runs from 00:17 on Sat 25 Jun to 23:43 on Sat 25 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/pradosha-vrata?on=1904-06-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/vata-savitri-vrata",
      "festival": "vata-savitri-vrata",
      "name": "Vaṭa Sāvitrī Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-06-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12559,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1904-06-26T23:33:02+03:26",
          "utc": "1904-06-26T20:07:02Z",
          "ms": -2067479578239.7903
        },
        "end": {
          "local": "1904-06-27T23:49:08+03:26",
          "utc": "1904-06-27T20:23:08Z",
          "ms": -2067392211729.113
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-06-26T23:33:02+03:26",
          "utc": "1904-06-26T20:07:02Z",
          "ms": -2067479578239.7903
        },
        "end": {
          "local": "1904-06-27T23:49:08+03:26",
          "utc": "1904-06-27T20:23:08Z",
          "ms": -2067392211729.113
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-06-26",
          "window": {
            "start": {
              "local": "1904-06-26T18:48:37+03:26",
              "utc": "1904-06-26T15:22:37Z",
              "ms": -2067496642768.0994
            },
            "end": {
              "local": "1904-06-26T20:03:42+03:26",
              "utc": "1904-06-26T16:37:42Z",
              "ms": -2067492137608.4807
            }
          },
          "covered_min": 0,
          "window_min": 75,
          "qualifies": false
        },
        {
          "local_date": "1904-06-27",
          "window": {
            "start": {
              "local": "1904-06-27T18:48:42+03:26",
              "utc": "1904-06-27T15:22:42Z",
              "ms": -2067410238459.644
            },
            "end": {
              "local": "1904-06-27T20:03:49+03:26",
              "utc": "1904-06-27T16:37:49Z",
              "ms": -2067405731065.7651
            }
          },
          "covered_min": 75,
          "window_min": 75,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 23:32 on Sun 26 Jun to 23:48 on Mon 27 Jun.",
          "fact": "1904-06-26T20:07:02Z → 1904-06-27T20:23:08Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:48–20:03 on the 26th, 18:48–20:03 on the 27th.",
          "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 26th and 75 of 75 on the 27th.",
          "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 12559 s"
        },
        {
          "step": "ruling",
          "text": "Vaṭa Sāvitrī Vrata, Mashhad, 1904: Monday 27 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": "1904-06-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-06-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Vaṭa Sāvitrī Vrata 1904 falls on Monday 27 June. Pūrṇimā runs from 23:32 on Sun 26 Jun to 23:48 on Mon 27 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/sankashta-chaturthi?on=1904-07-01",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-07-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25709,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-07-01T03:38:40+03:26",
          "utc": "1904-07-01T00:12:40Z",
          "ms": -2067119240353.5337
        },
        "end": {
          "local": "1904-07-02T05:51:00+03:26",
          "utc": "1904-07-02T02:25:00Z",
          "ms": -2067024899884.6572
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-07-01T03:38:40+03:26",
          "utc": "1904-07-01T00:12:40Z",
          "ms": -2067119240353.5337
        },
        "end": {
          "local": "1904-07-02T05:51:00+03:26",
          "utc": "1904-07-02T02:25:00Z",
          "ms": -2067024899884.6572
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1904-06-30",
          "window": {
            "start": {
              "local": "1904-06-30T20:30:10+03:26",
              "utc": "1904-06-30T17:04:10Z",
              "ms": -2067144949738.6626
            },
            "end": {
              "local": "1904-06-30T20:30:10+03:26",
              "utc": "1904-06-30T17:04:10Z",
              "ms": -2067144949738.6626
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1904-07-01",
          "window": {
            "start": {
              "local": "1904-07-01T21:06:25+03:26",
              "utc": "1904-07-01T17:40:25Z",
              "ms": -2067056374771.6047
            },
            "end": {
              "local": "1904-07-01T21:06:25+03:26",
              "utc": "1904-07-01T17:40:25Z",
              "ms": -2067056374771.6047
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 03:38 on Fri 1 Jul to 05:50 on Sat 2 Jul.",
          "fact": "1904-07-01T00:12:40Z → 1904-07-02T02:25:00Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:29 on the 30th and 21:05 on the 1st.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 30th and is on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 25709 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mashhad, 1904: Friday 1 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": "1904-07-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-07-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1904 falls on Friday 1 July. Caturthī runs from 03:38 on Fri 1 Jul to 05:50 on Sat 2 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/sankashta-chaturthi?on=1904-07-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/ekadashi?on=1904-07-09",
      "festival": "ekadashi",
      "name": "Yoginī Ekādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-07-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 40037,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1904-07-08T17:10:05+03:26",
          "utc": "1904-07-08T13:44:05Z",
          "ms": -2066465755448.3203
        },
        "end": {
          "local": "1904-07-09T16:54:59+03:26",
          "utc": "1904-07-09T13:28:59Z",
          "ms": -2066380260522.542
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-07-08T17:10:05+03:26",
          "utc": "1904-07-08T13:44:05Z",
          "ms": -2066465755448.3203
        },
        "end": {
          "local": "1904-07-09T16:54:59+03:26",
          "utc": "1904-07-09T13:28:59Z",
          "ms": -2066380260522.542
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-07-09",
          "window": {
            "start": {
              "local": "1904-07-09T04:17:21+03:26",
              "utc": "1904-07-09T00:51:21Z",
              "ms": -2066425718907.2673
            },
            "end": {
              "local": "1904-07-09T04:17:21+03:26",
              "utc": "1904-07-09T00:51:21Z",
              "ms": -2066425718907.2673
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1904-07-10",
          "window": {
            "start": {
              "local": "1904-07-10T04:17:56+03:26",
              "utc": "1904-07-10T00:51:56Z",
              "ms": -2066339283726.8677
            },
            "end": {
              "local": "1904-07-10T04:17:56+03:26",
              "utc": "1904-07-10T00:51:56Z",
              "ms": -2066339283726.8677
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 17:09 on Fri 8 Jul to 16:54 on Sat 9 Jul.",
          "fact": "1904-07-08T13:44:05Z → 1904-07-09T13:28:59Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 04:16 on the 9th and 04:17 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 not 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 40037 s"
        },
        {
          "step": "ruling",
          "text": "Yoginī Ekādaśī, Mashhad, 1904: Saturday 9 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": "1904-07-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-07-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Yoginī Ekādaśī 1904 falls on Saturday 9 July. Ekādaśī runs from 17:09 on Fri 8 Jul to 16:54 on Sat 9 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/ekadashi?on=1904-07-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/pradosha-vrata?on=1904-07-10",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-07-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10525,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-07-10T15:51:36+03:26",
          "utc": "1904-07-10T12:25:36Z",
          "ms": -2066297663992.3828
        },
        "end": {
          "local": "1904-07-11T14:04:53+03:26",
          "utc": "1904-07-11T10:38:53Z",
          "ms": -2066217667464.1113
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-07-10T15:51:36+03:26",
          "utc": "1904-07-10T12:25:36Z",
          "ms": -2066297663992.3828
        },
        "end": {
          "local": "1904-07-11T14:04:53+03:26",
          "utc": "1904-07-11T10:38:53Z",
          "ms": -2066217667464.1113
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-07-10",
          "window": {
            "start": {
              "local": "1904-07-10T18:47:01+03:26",
              "utc": "1904-07-10T15:21:01Z",
              "ms": -2066287138583.701
            },
            "end": {
              "local": "1904-07-10T20:03:14+03:26",
              "utc": "1904-07-10T16:37:14Z",
              "ms": -2066282566452.9924
            }
          },
          "covered_min": 76,
          "window_min": 76,
          "qualifies": true
        },
        {
          "local_date": "1904-07-11",
          "window": {
            "start": {
              "local": "1904-07-11T18:46:42+03:26",
              "utc": "1904-07-11T15:20:42Z",
              "ms": -2066200758439.7253
            },
            "end": {
              "local": "1904-07-11T20:03:01+03:26",
              "utc": "1904-07-11T16:37:01Z",
              "ms": -2066196178724.8813
            }
          },
          "covered_min": 0,
          "window_min": 76,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 15:51 on Sun 10 Jul to 14:04 on Mon 11 Jul.",
          "fact": "1904-07-10T12:25:36Z → 1904-07-11T10:38:53Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:46–20:02 on the 10th, 18:46–20:02 on the 11th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 76 of 76 minutes on the 10th and 0 of 76 on the 11th.",
          "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 10525 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1904: Sunday 10 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": "1904-07-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-07-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1904 falls on Sunday 10 July. Trayodaśī runs from 15:51 on Sun 10 Jul to 14:04 on Mon 11 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/pradosha-vrata?on=1904-07-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/shivaratri?on=1904-07-11",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-07-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32643,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1904-07-11T14:04:53+03:26",
          "utc": "1904-07-11T10:38:53Z",
          "ms": -2066217667464.1113
        },
        "end": {
          "local": "1904-07-12T11:42:23+03:26",
          "utc": "1904-07-12T08:16:23Z",
          "ms": -2066139816807.596
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-07-11T14:04:53+03:26",
          "utc": "1904-07-11T10:38:53Z",
          "ms": -2066217667464.1113
        },
        "end": {
          "local": "1904-07-12T11:42:23+03:26",
          "utc": "1904-07-12T08:16:23Z",
          "ms": -2066139816807.596
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1904-07-11",
          "window": {
            "start": {
              "local": "1904-07-11T23:08:55+03:26",
              "utc": "1904-07-11T19:42:55Z",
              "ms": -2066185024509.06
            },
            "end": {
              "local": "1904-07-11T23:56:55+03:26",
              "utc": "1904-07-11T20:30:55Z",
              "ms": -2066182144509.06
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-07-12",
          "window": {
            "start": {
              "local": "1904-07-12T23:09:04+03:26",
              "utc": "1904-07-12T19:43:04Z",
              "ms": -2066098616364.5393
            },
            "end": {
              "local": "1904-07-12T23:57:04+03:26",
              "utc": "1904-07-12T20:31:04Z",
              "ms": -2066095736364.5393
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 14:04 on Mon 11 Jul to 11:41 on Tue 12 Jul.",
          "fact": "1904-07-11T10:38:53Z → 1904-07-12T08:16:23Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:08–23:56 on the 11th, 23:08–23:56 on the 12th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 32643 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Mashhad, 1904: Monday 11 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": "1904-07-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-07-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śivarātri 1904 falls on Monday 11 July. Caturdaśī runs from 14:04 on Mon 11 Jul to 11:41 on Tue 12 Jul and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/shivaratri?on=1904-07-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/rathayatra",
      "festival": "rathayatra",
      "name": "Rathayātrā",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-07-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19321,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "1904-07-14T05:46:58+03:26",
          "utc": "1904-07-14T02:20:58Z",
          "ms": -2065988341760.45
        },
        "end": {
          "local": "1904-07-15T02:33:16+03:26",
          "utc": "1904-07-14T23:07:16Z",
          "ms": -2065913563828.0618
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-07-14T05:46:58+03:26",
          "utc": "1904-07-14T02:20:58Z",
          "ms": -2065988341760.45
        },
        "end": {
          "local": "1904-07-15T02:33:16+03:26",
          "utc": "1904-07-14T23:07:16Z",
          "ms": -2065913563828.0618
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-07-14",
          "window": {
            "start": {
              "local": "1904-07-14T11:08:59+03:26",
              "utc": "1904-07-14T07:42:59Z",
              "ms": -2065969021214.1714
            },
            "end": {
              "local": "1904-07-14T11:56:59+03:26",
              "utc": "1904-07-14T08:30:59Z",
              "ms": -2065966141214.1714
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-07-15",
          "window": {
            "start": {
              "local": "1904-07-15T11:09:05+03:26",
              "utc": "1904-07-15T07:43:05Z",
              "ms": -2065882614877.4841
            },
            "end": {
              "local": "1904-07-15T11:57:05+03:26",
              "utc": "1904-07-15T08:31:05Z",
              "ms": -2065879734877.4841
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 05:46 on Thu 14 Jul to 02:32 on Fri 15 Jul.",
          "fact": "1904-07-14T02:20:58Z → 1904-07-14T23:07:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 14th, 11:08–11:56 on the 15th.",
          "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 14th and 0 of 48 on the 15th.",
          "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 19321 s"
        },
        {
          "step": "ruling",
          "text": "Rathayātrā, Mashhad, 1904: Thursday 14 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": "1904-07-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-07-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Rathayātrā 1904 falls on Thursday 14 July. Dvitīyā runs from 05:46 on Thu 14 Jul to 02:32 on Fri 15 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/vinayaka-chaturthi?on=1904-07-16",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-07-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30063,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-07-15T23:21:03+03:26",
          "utc": "1904-07-15T19:55:03Z",
          "ms": -2065838697268.0552
        },
        "end": {
          "local": "1904-07-16T20:18:14+03:26",
          "utc": "1904-07-16T16:52:14Z",
          "ms": -2065763265759.7737
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-07-15T23:21:03+03:26",
          "utc": "1904-07-15T19:55:03Z",
          "ms": -2065838697268.0552
        },
        "end": {
          "local": "1904-07-16T20:18:14+03:26",
          "utc": "1904-07-16T16:52:14Z",
          "ms": -2065763265759.7737
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-07-15",
          "window": {
            "start": {
              "local": "1904-07-15T11:09:05+03:26",
              "utc": "1904-07-15T07:43:05Z",
              "ms": -2065882614877.4841
            },
            "end": {
              "local": "1904-07-15T11:57:05+03:26",
              "utc": "1904-07-15T08:31:05Z",
              "ms": -2065879734877.4841
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-07-16",
          "window": {
            "start": {
              "local": "1904-07-16T11:09:11+03:26",
              "utc": "1904-07-16T07:43:11Z",
              "ms": -2065796209039.305
            },
            "end": {
              "local": "1904-07-16T11:57:11+03:26",
              "utc": "1904-07-16T08:31:11Z",
              "ms": -2065793329039.305
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:20 on Fri 15 Jul to 20:17 on Sat 16 Jul.",
          "fact": "1904-07-15T19:55:03Z → 1904-07-16T16:52:14Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 15th, 11:08–11:56 on the 16th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 30063 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Mashhad, 1904: Saturday 16 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": "1904-07-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-07-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Vināyaka Caturthī 1904 falls on Saturday 16 July. Caturthī runs from 23:20 on Fri 15 Jul to 20:17 on Sat 16 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/vinayaka-chaturthi?on=1904-07-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/skanda-panchami",
      "festival": "skanda-panchami",
      "name": "Skanda Pañcamī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-07-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20052,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1904-07-16T20:18:14+03:26",
          "utc": "1904-07-16T16:52:14Z",
          "ms": -2065763265759.7737
        },
        "end": {
          "local": "1904-07-17T17:31:28+03:26",
          "utc": "1904-07-17T14:05:28Z",
          "ms": -2065686871760.9666
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-07-16T20:18:14+03:26",
          "utc": "1904-07-16T16:52:14Z",
          "ms": -2065763265759.7737
        },
        "end": {
          "local": "1904-07-17T17:31:28+03:26",
          "utc": "1904-07-17T14:05:28Z",
          "ms": -2065686871760.9666
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-07-16",
          "window": {
            "start": {
              "local": "1904-07-16T11:09:11+03:26",
              "utc": "1904-07-16T07:43:11Z",
              "ms": -2065796209039.305
            },
            "end": {
              "local": "1904-07-16T11:57:11+03:26",
              "utc": "1904-07-16T08:31:11Z",
              "ms": -2065793329039.305
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-07-17",
          "window": {
            "start": {
              "local": "1904-07-17T11:09:16+03:26",
              "utc": "1904-07-17T07:43:16Z",
              "ms": -2065709803716.759
            },
            "end": {
              "local": "1904-07-17T11:57:16+03:26",
              "utc": "1904-07-17T08:31:16Z",
              "ms": -2065706923716.759
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 20:17 on Sat 16 Jul to 17:30 on Sun 17 Jul.",
          "fact": "1904-07-16T16:52:14Z → 1904-07-17T14:05:28Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 16th, 11:08–11:56 on the 17th.",
          "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 16th and 48 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: paraviddha → only-day · margin 20052 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Pañcamī, Mashhad, 1904: Sunday 17 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": "1904-07-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-07-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Skanda Pañcamī 1904 falls on Sunday 17 July. Pañcamī runs from 20:17 on Sat 16 Jul to 17:30 on Sun 17 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/vivasvat-saptami",
      "festival": "vivasvat-saptami",
      "name": "Vivasvat Saptamī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-07-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4050,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1904-07-18T15:05:51+03:26",
          "utc": "1904-07-18T11:39:51Z",
          "ms": -2065609208511.3027
        },
        "end": {
          "local": "1904-07-19T13:04:56+03:26",
          "utc": "1904-07-19T09:38:56Z",
          "ms": -2065530064277.9058
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-07-18T15:05:51+03:26",
          "utc": "1904-07-18T11:39:51Z",
          "ms": -2065609208511.3027
        },
        "end": {
          "local": "1904-07-19T13:04:56+03:26",
          "utc": "1904-07-19T09:38:56Z",
          "ms": -2065530064277.9058
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-07-18",
          "window": {
            "start": {
              "local": "1904-07-18T11:09:21+03:26",
              "utc": "1904-07-18T07:43:21Z",
              "ms": -2065623398924.8892
            },
            "end": {
              "local": "1904-07-18T11:57:21+03:26",
              "utc": "1904-07-18T08:31:21Z",
              "ms": -2065620518924.8892
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-07-19",
          "window": {
            "start": {
              "local": "1904-07-19T11:09:25+03:26",
              "utc": "1904-07-19T07:43:25Z",
              "ms": -2065536994676.5576
            },
            "end": {
              "local": "1904-07-19T11:57:25+03:26",
              "utc": "1904-07-19T08:31:25Z",
              "ms": -2065534114676.5576
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 15:05 on Mon 18 Jul to 13:04 on Tue 19 Jul.",
          "fact": "1904-07-18T11:39:51Z → 1904-07-19T09:38:56Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 18th, 11:08–11:56 on the 19th.",
          "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 18th and 48 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 4050 s"
        },
        {
          "step": "ruling",
          "text": "Vivasvat Saptamī, Mashhad, 1904: Tuesday 19 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": "1904-07-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-07-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Vivasvat Saptamī 1904 falls on Tuesday 19 July. Saptamī runs from 15:05 on Mon 18 Jul to 13:04 on Tue 19 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/ekadashi?on=1904-07-23",
      "festival": "ekadashi",
      "name": "Hariśayanī Ekādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-07-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18362,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1904-07-22T09:44:52+03:26",
          "utc": "1904-07-22T06:18:52Z",
          "ms": -2065282868377.743
        },
        "end": {
          "local": "1904-07-23T09:32:47+03:26",
          "utc": "1904-07-23T06:06:47Z",
          "ms": -2065197193316.5579
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-07-22T09:44:52+03:26",
          "utc": "1904-07-22T06:18:52Z",
          "ms": -2065282868377.743
        },
        "end": {
          "local": "1904-07-23T09:32:47+03:26",
          "utc": "1904-07-23T06:06:47Z",
          "ms": -2065197193316.5579
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-07-22",
          "window": {
            "start": {
              "local": "1904-07-22T04:26:00+03:26",
              "utc": "1904-07-22T01:00:00Z",
              "ms": -2065301999957.5142
            },
            "end": {
              "local": "1904-07-22T04:26:00+03:26",
              "utc": "1904-07-22T01:00:00Z",
              "ms": -2065301999957.5142
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1904-07-23",
          "window": {
            "start": {
              "local": "1904-07-23T04:26:44+03:26",
              "utc": "1904-07-23T01:00:44Z",
              "ms": -2065215555702.0286
            },
            "end": {
              "local": "1904-07-23T04:26:44+03:26",
              "utc": "1904-07-23T01:00:44Z",
              "ms": -2065215555702.0286
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 09:44 on Fri 22 Jul to 09:32 on Sat 23 Jul.",
          "fact": "1904-07-22T06:18:52Z → 1904-07-23T06:06:47Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 04:25 on the 22nd and 04:26 on the 23rd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 22nd and is on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 18362 s"
        },
        {
          "step": "ruling",
          "text": "Hariśayanī Ekādaśī, Mashhad, 1904: Saturday 23 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": "1904-07-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-07-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Hariśayanī Ekādaśī 1904 falls on Saturday 23 July. Ekādaśī runs from 09:44 on Fri 22 Jul to 09:32 on Sat 23 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/ekadashi?on=1904-07-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/pradosha-vrata?on=1904-07-24",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-07-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29446,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-07-24T09:47:21+03:26",
          "utc": "1904-07-24T06:21:21Z",
          "ms": -2065109918774.8452
        },
        "end": {
          "local": "1904-07-25T10:28:17+03:26",
          "utc": "1904-07-25T07:02:17Z",
          "ms": -2065021062523.7063
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-07-24T09:47:21+03:26",
          "utc": "1904-07-24T06:21:21Z",
          "ms": -2065109918774.8452
        },
        "end": {
          "local": "1904-07-25T10:28:17+03:26",
          "utc": "1904-07-25T07:02:17Z",
          "ms": -2065021062523.7063
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-07-24",
          "window": {
            "start": {
              "local": "1904-07-24T18:39:47+03:26",
              "utc": "1904-07-24T15:13:47Z",
              "ms": -2065077972807.063
            },
            "end": {
              "local": "1904-07-24T19:58:15+03:26",
              "utc": "1904-07-24T16:32:15Z",
              "ms": -2065073265216.6733
            }
          },
          "covered_min": 78,
          "window_min": 78,
          "qualifies": true
        },
        {
          "local_date": "1904-07-25",
          "window": {
            "start": {
              "local": "1904-07-25T18:39:04+03:26",
              "utc": "1904-07-25T15:13:04Z",
              "ms": -2064991616287.7166
            },
            "end": {
              "local": "1904-07-25T19:57:43+03:26",
              "utc": "1904-07-25T16:31:43Z",
              "ms": -2064986896831.762
            }
          },
          "covered_min": 0,
          "window_min": 79,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 09:46 on Sun 24 Jul to 10:27 on Mon 25 Jul.",
          "fact": "1904-07-24T06:21:21Z → 1904-07-25T07:02:17Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:39–19:57 on the 24th, 18:38–19:57 on the 25th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 78 of 78 minutes on the 24th and 0 of 79 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 29446 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Mashhad, 1904: Sunday 24 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": "1904-07-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-07-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śukla Pradoṣa Vrata 1904 falls on Sunday 24 July. Trayodaśī runs from 09:46 on Sun 24 Jul to 10:27 on Mon 25 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/pradosha-vrata?on=1904-07-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/kokila-vrata",
      "festival": "kokila-vrata",
      "name": "Kokilā Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-07-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9610,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1904-07-26T11:35:19+03:26",
          "utc": "1904-07-26T08:09:19Z",
          "ms": -2064930640590.7183
        },
        "end": {
          "local": "1904-07-27T13:07:48+03:26",
          "utc": "1904-07-27T09:41:48Z",
          "ms": -2064838691656.2798
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-07-26T11:35:19+03:26",
          "utc": "1904-07-26T08:09:19Z",
          "ms": -2064930640590.7183
        },
        "end": {
          "local": "1904-07-27T13:07:48+03:26",
          "utc": "1904-07-27T09:41:48Z",
          "ms": -2064838691656.2798
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "1904-07-26",
          "window": {
            "start": {
              "local": "1904-07-26T15:48:27+03:26",
              "utc": "1904-07-26T12:22:27Z",
              "ms": -2064915453138.4377
            },
            "end": {
              "local": "1904-07-26T18:38:19+03:26",
              "utc": "1904-07-26T15:12:19Z",
              "ms": -2064905261331.033
            }
          },
          "covered_min": 170,
          "window_min": 170,
          "qualifies": true
        },
        {
          "local_date": "1904-07-27",
          "window": {
            "start": {
              "local": "1904-07-27T15:47:59+03:26",
              "utc": "1904-07-27T12:21:59Z",
              "ms": -2064829081229.193
            },
            "end": {
              "local": "1904-07-27T18:37:32+03:26",
              "utc": "1904-07-27T15:11:32Z",
              "ms": -2064818907913.281
            }
          },
          "covered_min": 0,
          "window_min": 170,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 11:34 on Tue 26 Jul to 13:07 on Wed 27 Jul.",
          "fact": "1904-07-26T08:09:19Z → 1904-07-27T09:41:48Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:47–18:37 on the 26th, 15:47–18:37 on the 27th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 170 of 170 minutes on the 26th and 0 of 170 on the 27th.",
          "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 9610 s"
        },
        {
          "step": "ruling",
          "text": "Kokilā Vrata, Mashhad, 1904: Tuesday 26 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": "1904-07-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-07-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Kokilā Vrata 1904 falls on Tuesday 26 July. Pūrṇimā runs from 11:34 on Tue 26 Jul to 13:07 on Wed 27 Jul and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/shiva-shayanotsava",
      "festival": "shiva-shayanotsava",
      "name": "Śiva Śayanotsava",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-07-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19784,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1904-07-26T11:35:19+03:26",
          "utc": "1904-07-26T08:09:19Z",
          "ms": -2064930640590.7183
        },
        "end": {
          "local": "1904-07-27T13:07:48+03:26",
          "utc": "1904-07-27T09:41:48Z",
          "ms": -2064838691656.2798
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-07-26T11:35:19+03:26",
          "utc": "1904-07-26T08:09:19Z",
          "ms": -2064930640590.7183
        },
        "end": {
          "local": "1904-07-27T13:07:48+03:26",
          "utc": "1904-07-27T09:41:48Z",
          "ms": -2064838691656.2798
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-07-26",
          "window": {
            "start": {
              "local": "1904-07-26T18:38:19+03:26",
              "utc": "1904-07-26T15:12:19Z",
              "ms": -2064905261331.033
            },
            "end": {
              "local": "1904-07-26T19:57:10+03:26",
              "utc": "1904-07-26T16:31:10Z",
              "ms": -2064900529752.6074
            }
          },
          "covered_min": 79,
          "window_min": 79,
          "qualifies": true
        },
        {
          "local_date": "1904-07-27",
          "window": {
            "start": {
              "local": "1904-07-27T18:37:32+03:26",
              "utc": "1904-07-27T15:11:32Z",
              "ms": -2064818907913.281
            },
            "end": {
              "local": "1904-07-27T19:56:36+03:26",
              "utc": "1904-07-27T16:30:36Z",
              "ms": -2064814163962.0354
            }
          },
          "covered_min": 0,
          "window_min": 79,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 11:34 on Tue 26 Jul to 13:07 on Wed 27 Jul.",
          "fact": "1904-07-26T08:09:19Z → 1904-07-27T09:41:48Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:37–19:56 on the 26th, 18:37–19:56 on the 27th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 79 of 79 minutes on the 26th and 0 of 79 on the 27th.",
          "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 19784 s"
        },
        {
          "step": "ruling",
          "text": "Śiva Śayanotsava, Mashhad, 1904: Tuesday 26 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": "1904-07-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-07-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śiva Śayanotsava 1904 falls on Tuesday 26 July. Pūrṇimā runs from 11:34 on Tue 26 Jul to 13:07 on Wed 27 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/vyasa-puja",
      "festival": "vyasa-puja",
      "name": "Vyāsa Pūjā",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-07-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15388,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1904-07-26T11:35:19+03:26",
          "utc": "1904-07-26T08:09:19Z",
          "ms": -2064930640590.7183
        },
        "end": {
          "local": "1904-07-27T13:07:48+03:26",
          "utc": "1904-07-27T09:41:48Z",
          "ms": -2064838691656.2798
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-07-26T11:35:19+03:26",
          "utc": "1904-07-26T08:09:19Z",
          "ms": -2064930640590.7183
        },
        "end": {
          "local": "1904-07-27T13:07:48+03:26",
          "utc": "1904-07-27T09:41:48Z",
          "ms": -2064838691656.2798
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "1904-07-26",
          "window": {
            "start": {
              "local": "1904-07-26T04:29:00+03:26",
              "utc": "1904-07-26T01:03:00Z",
              "ms": -2064956220368.0566
            },
            "end": {
              "local": "1904-07-26T07:18:51+03:26",
              "utc": "1904-07-26T03:52:51Z",
              "ms": -2064946028560.6519
            }
          },
          "covered_min": 0,
          "window_min": 170,
          "qualifies": false
        },
        {
          "local_date": "1904-07-27",
          "window": {
            "start": {
              "local": "1904-07-27T04:29:46+03:26",
              "utc": "1904-07-27T01:03:46Z",
              "ms": -2064869774492.841
            },
            "end": {
              "local": "1904-07-27T07:19:19+03:26",
              "utc": "1904-07-27T03:53:19Z",
              "ms": -2064859601176.929
            }
          },
          "covered_min": 170,
          "window_min": 170,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 11:34 on Tue 26 Jul to 13:07 on Wed 27 Jul.",
          "fact": "1904-07-26T08:09:19Z → 1904-07-27T09:41:48Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 04:28–07:18 on the 26th, 04:29–07:18 on the 27th.",
          "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 170 minutes on the 26th and 170 of 170 on the 27th.",
          "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 15388 s"
        },
        {
          "step": "ruling",
          "text": "Vyāsa Pūjā, Mashhad, 1904: Wednesday 27 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": "1904-07-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-07-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Vyāsa Pūjā 1904 falls on Wednesday 27 July. Pūrṇimā runs from 11:34 on Tue 26 Jul to 13:07 on Wed 27 Jul and covers all of the first three muhūrtas after sunrise that morning.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/guru-purnima",
      "festival": "guru-purnima",
      "name": "Guru Pūrṇimā",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-07-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1340,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1904-07-26T11:35:19+03:26",
          "utc": "1904-07-26T08:09:19Z",
          "ms": -2064930640590.7183
        },
        "end": {
          "local": "1904-07-27T13:07:48+03:26",
          "utc": "1904-07-27T09:41:48Z",
          "ms": -2064838691656.2798
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-07-26T11:35:19+03:26",
          "utc": "1904-07-26T08:09:19Z",
          "ms": -2064930640590.7183
        },
        "end": {
          "local": "1904-07-27T13:07:48+03:26",
          "utc": "1904-07-27T09:41:48Z",
          "ms": -2064838691656.2798
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-07-26",
          "window": {
            "start": {
              "local": "1904-07-26T11:09:39+03:26",
              "utc": "1904-07-26T07:43:39Z",
              "ms": -2064932180849.545
            },
            "end": {
              "local": "1904-07-26T11:57:39+03:26",
              "utc": "1904-07-26T08:31:39Z",
              "ms": -2064929300849.545
            }
          },
          "covered_min": 22,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-07-27",
          "window": {
            "start": {
              "local": "1904-07-27T11:09:39+03:26",
              "utc": "1904-07-27T07:43:39Z",
              "ms": -2064845781203.061
            },
            "end": {
              "local": "1904-07-27T11:57:39+03:26",
              "utc": "1904-07-27T08:31:39Z",
              "ms": -2064842901203.061
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 11:34 on Tue 26 Jul to 13:07 on Wed 27 Jul.",
          "fact": "1904-07-26T08:09:19Z → 1904-07-27T09:41:48Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:09–11:57 on the 26th, 11:09–11:57 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 22 of 48 minutes on the 26th and 48 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify. Paraviddhā: the second is taken.",
          "fact": "priority: paraviddha → paraviddha · margin 1340 s"
        },
        {
          "step": "ruling",
          "text": "Guru Pūrṇimā, Mashhad, 1904: Wednesday 27 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": "1904-07-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-07-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Guru Pūrṇimā 1904 falls on Wednesday 27 July. Pūrṇimā runs from 11:34 on Tue 26 Jul to 13:07 on Wed 27 Jul and covers all of madhyāhna that midday. It also reaches the previous midday for 22 minutes; by the rule the second midday is taken.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/ashunya-shayana-vrata-ashadha",
      "festival": "ashunya-shayana-vrata-ashadha",
      "name": "Aśūnya Śayana Vrata (Āṣāḍha)",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-07-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8415,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "1904-07-28T15:04:04+03:26",
          "utc": "1904-07-28T11:38:04Z",
          "ms": -2064745316192.9365
        },
        "end": {
          "local": "1904-07-29T17:20:37+03:26",
          "utc": "1904-07-29T13:54:37Z",
          "ms": -2064650722814.0242
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-07-28T15:04:04+03:26",
          "utc": "1904-07-28T11:38:04Z",
          "ms": -2064745316192.9365
        },
        "end": {
          "local": "1904-07-29T17:20:37+03:26",
          "utc": "1904-07-29T13:54:37Z",
          "ms": -2064650722814.0242
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1904-07-28",
          "window": {
            "start": {
              "local": "1904-07-28T19:06:19+03:26",
              "utc": "1904-07-28T15:40:19Z",
              "ms": -2064730781496.696
            },
            "end": {
              "local": "1904-07-28T19:06:19+03:26",
              "utc": "1904-07-28T15:40:19Z",
              "ms": -2064730781496.696
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1904-07-29",
          "window": {
            "start": {
              "local": "1904-07-29T19:40:52+03:26",
              "utc": "1904-07-29T16:14:52Z",
              "ms": -2064642307542.6807
            },
            "end": {
              "local": "1904-07-29T19:40:52+03:26",
              "utc": "1904-07-29T16:14:52Z",
              "ms": -2064642307542.6807
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 15:03 on Thu 28 Jul to 17:20 on Fri 29 Jul.",
          "fact": "1904-07-28T11:38:04Z → 1904-07-29T13:54:37Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:05 on the 28th and 19:40 on the 29th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be current at moonrise. It is on the 28th and is not on the 29th.",
          "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 8415 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata (Āṣāḍha), Mashhad, 1904: Thursday 28 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": "1904-07-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-07-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Aśūnya Śayana Vrata (Āṣāḍha) 1904 falls on Thursday 28 July. Dvitīyā runs from 15:03 on Thu 28 Jul to 17:20 on Fri 29 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/sankashta-chaturthi?on=1904-07-30",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-07-30",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1306,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-07-30T19:51:31+03:26",
          "utc": "1904-07-30T16:25:31Z",
          "ms": -2064555269339.848
        },
        "end": {
          "local": "1904-07-31T22:27:58+03:26",
          "utc": "1904-07-31T19:01:58Z",
          "ms": -2064459481996.01
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-07-30T19:51:31+03:26",
          "utc": "1904-07-30T16:25:31Z",
          "ms": -2064555269339.848
        },
        "end": {
          "local": "1904-07-31T22:27:58+03:26",
          "utc": "1904-07-31T19:01:58Z",
          "ms": -2064459481996.01
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1904-07-30",
          "window": {
            "start": {
              "local": "1904-07-30T20:13:17+03:26",
              "utc": "1904-07-30T16:47:17Z",
              "ms": -2064553963329.296
            },
            "end": {
              "local": "1904-07-30T20:13:17+03:26",
              "utc": "1904-07-30T16:47:17Z",
              "ms": -2064553963329.296
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1904-07-31",
          "window": {
            "start": {
              "local": "1904-07-31T20:44:25+03:26",
              "utc": "1904-07-31T17:18:25Z",
              "ms": -2064465695409.8938
            },
            "end": {
              "local": "1904-07-31T20:44:25+03:26",
              "utc": "1904-07-31T17:18:25Z",
              "ms": -2064465695409.8938
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 19:51 on Sat 30 Jul to 22:27 on Sun 31 Jul.",
          "fact": "1904-07-30T16:25:31Z → 1904-07-31T19:01:58Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:12 on the 30th and 20:43 on the 31st.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 30th and is on the 31st.",
          "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 1306 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mashhad, 1904: Saturday 30 July.",
          "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": "1904-07-30",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-07-30",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1904 falls on Saturday 30 July. Caturthī runs from 19:51 on Sat 30 Jul to 22:27 on Sun 31 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/sankashta-chaturthi?on=1904-07-30",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/ekadashi?on=1904-08-07",
      "festival": "ekadashi",
      "name": "Kāmikā Ekādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-08-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2169,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1904-08-07T05:29:01+03:26",
          "utc": "1904-08-07T02:03:01Z",
          "ms": -2063915818511.9307
        },
        "end": {
          "local": "1904-08-08T04:03:07+03:26",
          "utc": "1904-08-08T00:37:07Z",
          "ms": -2063834573334.064
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-08-07T05:29:01+03:26",
          "utc": "1904-08-07T02:03:01Z",
          "ms": -2063915818511.9307
        },
        "end": {
          "local": "1904-08-08T04:03:07+03:26",
          "utc": "1904-08-08T00:37:07Z",
          "ms": -2063834573334.064
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-08-07",
          "window": {
            "start": {
              "local": "1904-08-07T04:38:27+03:26",
              "utc": "1904-08-07T01:12:27Z",
              "ms": -2063918852584.2659
            },
            "end": {
              "local": "1904-08-07T04:38:27+03:26",
              "utc": "1904-08-07T01:12:27Z",
              "ms": -2063918852584.2659
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1904-08-08",
          "window": {
            "start": {
              "local": "1904-08-08T04:39:16+03:26",
              "utc": "1904-08-08T01:13:16Z",
              "ms": -2063832404128.3765
            },
            "end": {
              "local": "1904-08-08T04:39:16+03:26",
              "utc": "1904-08-08T01:13:16Z",
              "ms": -2063832404128.3765
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 05:28 on Sun 7 Aug to 04:02 on Mon 8 Aug.",
          "fact": "1904-08-07T02:03:01Z → 1904-08-08T00:37:07Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 04:37 on the 7th and 04:38 on the 8th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 7th and is not on the 8th.",
          "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 2169 s"
        },
        {
          "step": "ruling",
          "text": "Kāmikā Ekādaśī, Mashhad, 1904: Sunday 7 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": "1904-08-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-08-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Kāmikā Ekādaśī 1904 falls on Sunday 7 August. Ekādaśī runs from 05:28 on Sun 7 Aug to 04:02 on Mon 8 Aug, and is current at sunrise on neither day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/ekadashi?on=1904-08-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/pradosha-vrata?on=1904-08-09",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-08-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12022,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-08-09T01:53:33+03:26",
          "utc": "1904-08-08T22:27:33Z",
          "ms": -2063755947228.8774
        },
        "end": {
          "local": "1904-08-09T23:07:45+03:26",
          "utc": "1904-08-09T19:41:45Z",
          "ms": -2063679495436.4597
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-08-09T01:53:33+03:26",
          "utc": "1904-08-08T22:27:33Z",
          "ms": -2063755947228.8774
        },
        "end": {
          "local": "1904-08-09T23:07:45+03:26",
          "utc": "1904-08-09T19:41:45Z",
          "ms": -2063679495436.4597
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-08-08",
          "window": {
            "start": {
              "local": "1904-08-08T18:26:22+03:26",
              "utc": "1904-08-08T15:00:22Z",
              "ms": -2063782777733.5764
            },
            "end": {
              "local": "1904-08-08T19:48:12+03:26",
              "utc": "1904-08-08T16:22:12Z",
              "ms": -2063777868114.8594
            }
          },
          "covered_min": 0,
          "window_min": 82,
          "qualifies": false
        },
        {
          "local_date": "1904-08-09",
          "window": {
            "start": {
              "local": "1904-08-09T18:25:18+03:26",
              "utc": "1904-08-09T14:59:18Z",
              "ms": -2063696441998.4126
            },
            "end": {
              "local": "1904-08-09T19:47:23+03:26",
              "utc": "1904-08-09T16:21:23Z",
              "ms": -2063691517331.8987
            }
          },
          "covered_min": 82,
          "window_min": 82,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 01:53 on Tue 9 Aug to 23:07 on Tue 9 Aug.",
          "fact": "1904-08-08T22:27:33Z → 1904-08-09T19:41:45Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:25–19:47 on the 8th, 18:24–19:46 on the 9th.",
          "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 8th and 82 of 82 on the 9th.",
          "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 12022 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1904: Tuesday 9 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": "1904-08-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-08-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1904 falls on Tuesday 9 August. Trayodaśī runs from 01:53 on Tue 9 Aug to 23:07 on Tue 9 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/pradosha-vrata?on=1904-08-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/shivaratri?on=1904-08-09",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-08-09",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 81,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1904-08-09T23:07:45+03:26",
          "utc": "1904-08-09T19:41:45Z",
          "ms": -2063679495436.4597
        },
        "end": {
          "local": "1904-08-10T19:54:39+03:26",
          "utc": "1904-08-10T16:28:39Z",
          "ms": -2063604680947.224
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-08-09T23:07:45+03:26",
          "utc": "1904-08-09T19:41:45Z",
          "ms": -2063679495436.4597
        },
        "end": {
          "local": "1904-08-10T19:54:39+03:26",
          "utc": "1904-08-10T16:28:39Z",
          "ms": -2063604680947.224
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1904-08-09",
          "window": {
            "start": {
              "local": "1904-08-09T23:09:06+03:26",
              "utc": "1904-08-09T19:43:06Z",
              "ms": -2063679414498.985
            },
            "end": {
              "local": "1904-08-09T23:57:06+03:26",
              "utc": "1904-08-09T20:31:06Z",
              "ms": -2063676534498.985
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-08-10",
          "window": {
            "start": {
              "local": "1904-08-10T23:08:57+03:26",
              "utc": "1904-08-10T19:42:57Z",
              "ms": -2063593022905.823
            },
            "end": {
              "local": "1904-08-10T23:56:57+03:26",
              "utc": "1904-08-10T20:30:57Z",
              "ms": -2063590142905.823
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 23:07 on Tue 9 Aug to 19:54 on Wed 10 Aug.",
          "fact": "1904-08-09T19:41:45Z → 1904-08-10T16:28:39Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:08–23:56 on the 9th, 23:08–23:56 on the 10th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 81 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Mashhad, 1904: Tuesday 9 August.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "1904-08-09",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-08-09",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mashhad, Śivarātri 1904 falls on Tuesday 9 August. Caturdaśī runs from 23:07 on Tue 9 Aug to 19:54 on Wed 10 Aug and covers all of niśītha that night. It is 1 min 21 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/shivaratri?on=1904-08-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/madhusrava-tritiya",
      "festival": "madhusrava-tritiya",
      "name": "Madhusravā Tṛtīyā",
      "everyday": "Hariyali Teej",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-08-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7109,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1904-08-13T09:09:35+03:26",
          "utc": "1904-08-13T05:43:35Z",
          "ms": -2063384184507.8054
        },
        "end": {
          "local": "1904-08-14T05:44:42+03:26",
          "utc": "1904-08-14T02:18:42Z",
          "ms": -2063310078364.7793
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-08-13T09:09:35+03:26",
          "utc": "1904-08-13T05:43:35Z",
          "ms": -2063384184507.8054
        },
        "end": {
          "local": "1904-08-14T05:44:42+03:26",
          "utc": "1904-08-14T02:18:42Z",
          "ms": -2063310078364.7793
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-08-13",
          "window": {
            "start": {
              "local": "1904-08-13T11:08:04+03:26",
              "utc": "1904-08-13T07:42:04Z",
              "ms": -2063377075850.3618
            },
            "end": {
              "local": "1904-08-13T11:56:04+03:26",
              "utc": "1904-08-13T08:30:04Z",
              "ms": -2063374195850.3618
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-08-14",
          "window": {
            "start": {
              "local": "1904-08-14T11:07:53+03:26",
              "utc": "1904-08-14T07:41:53Z",
              "ms": -2063290686504.8955
            },
            "end": {
              "local": "1904-08-14T11:55:53+03:26",
              "utc": "1904-08-14T08:29:53Z",
              "ms": -2063287806504.8955
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 09:09 on Sat 13 Aug to 05:44 on Sun 14 Aug.",
          "fact": "1904-08-13T05:43:35Z → 1904-08-14T02:18:42Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:07–11:55 on the 13th, 11:07–11:55 on the 14th.",
          "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 13th and 0 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 7109 s"
        },
        {
          "step": "ruling",
          "text": "Madhusravā Tṛtīyā, Mashhad, 1904: Saturday 13 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": "1904-08-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-08-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Madhusravā Tṛtīyā (Hariyali Teej) 1904 falls on Saturday 13 August. Tṛtīyā runs from 09:09 on Sat 13 Aug to 05:44 on Sun 14 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/vinayaka-chaturthi?on=1904-08-14",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-08-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19392,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-08-14T05:44:42+03:26",
          "utc": "1904-08-14T02:18:42Z",
          "ms": -2063310078364.7793
        },
        "end": {
          "local": "1904-08-15T02:39:20+03:26",
          "utc": "1904-08-14T23:13:20Z",
          "ms": -2063234800338.9568
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-08-14T05:44:42+03:26",
          "utc": "1904-08-14T02:18:42Z",
          "ms": -2063310078364.7793
        },
        "end": {
          "local": "1904-08-15T02:39:20+03:26",
          "utc": "1904-08-14T23:13:20Z",
          "ms": -2063234800338.9568
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-08-14",
          "window": {
            "start": {
              "local": "1904-08-14T11:07:53+03:26",
              "utc": "1904-08-14T07:41:53Z",
              "ms": -2063290686504.8955
            },
            "end": {
              "local": "1904-08-14T11:55:53+03:26",
              "utc": "1904-08-14T08:29:53Z",
              "ms": -2063287806504.8955
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-08-15",
          "window": {
            "start": {
              "local": "1904-08-15T11:07:42+03:26",
              "utc": "1904-08-15T07:41:42Z",
              "ms": -2063204297709.4033
            },
            "end": {
              "local": "1904-08-15T11:55:42+03:26",
              "utc": "1904-08-15T08:29:42Z",
              "ms": -2063201417709.4033
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 05:44 on Sun 14 Aug to 02:38 on Mon 15 Aug.",
          "fact": "1904-08-14T02:18:42Z → 1904-08-14T23:13:20Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:07–11:55 on the 14th, 11:07–11:55 on the 15th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 19392 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Mashhad, 1904: Sunday 14 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": "1904-08-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-08-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Vināyaka Caturthī 1904 falls on Sunday 14 August. Caturthī runs from 05:44 on Sun 14 Aug to 02:38 on Mon 15 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/vinayaka-chaturthi?on=1904-08-14",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/naga-panchami",
      "festival": "naga-panchami",
      "name": "Nāga Pañcamī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-08-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30503,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1904-08-15T02:39:20+03:26",
          "utc": "1904-08-14T23:13:20Z",
          "ms": -2063234800338.9568
        },
        "end": {
          "local": "1904-08-16T00:00:36+03:26",
          "utc": "1904-08-15T20:34:36Z",
          "ms": -2063157924498.0706
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-08-15T02:39:20+03:26",
          "utc": "1904-08-14T23:13:20Z",
          "ms": -2063234800338.9568
        },
        "end": {
          "local": "1904-08-16T00:00:36+03:26",
          "utc": "1904-08-15T20:34:36Z",
          "ms": -2063157924498.0706
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-08-15",
          "window": {
            "start": {
              "local": "1904-08-15T11:07:42+03:26",
              "utc": "1904-08-15T07:41:42Z",
              "ms": -2063204297709.4033
            },
            "end": {
              "local": "1904-08-15T11:55:42+03:26",
              "utc": "1904-08-15T08:29:42Z",
              "ms": -2063201417709.4033
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-08-16",
          "window": {
            "start": {
              "local": "1904-08-16T11:07:31+03:26",
              "utc": "1904-08-16T07:41:31Z",
              "ms": -2063117909457.8313
            },
            "end": {
              "local": "1904-08-16T11:55:31+03:26",
              "utc": "1904-08-16T08:29:31Z",
              "ms": -2063115029457.8313
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 02:38 on Mon 15 Aug to 00:00 on Tue 16 Aug.",
          "fact": "1904-08-14T23:13:20Z → 1904-08-15T20:34:36Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:07–11:55 on the 15th, 11:07–11:55 on the 16th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 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. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 30503 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī, Mashhad, 1904: Monday 15 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": "1904-08-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-08-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Nāga Pañcamī 1904 falls on Monday 15 August. Pañcamī runs from 02:38 on Mon 15 Aug to 00:00 on Tue 16 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/ekadashi?on=1904-08-21",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-08-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29666,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1904-08-20T19:40:06+03:26",
          "utc": "1904-08-20T16:14:06Z",
          "ms": -2062741553853.2742
        },
        "end": {
          "local": "1904-08-21T20:36:08+03:26",
          "utc": "1904-08-21T17:10:08Z",
          "ms": -2062651792001.956
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-08-20T19:40:06+03:26",
          "utc": "1904-08-20T16:14:06Z",
          "ms": -2062741553853.2742
        },
        "end": {
          "local": "1904-08-21T20:36:08+03:26",
          "utc": "1904-08-21T17:10:08Z",
          "ms": -2062651792001.956
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-08-21",
          "window": {
            "start": {
              "local": "1904-08-21T04:49:46+03:26",
              "utc": "1904-08-21T01:23:46Z",
              "ms": -2062708573742.581
            },
            "end": {
              "local": "1904-08-21T04:49:46+03:26",
              "utc": "1904-08-21T01:23:46Z",
              "ms": -2062708573742.581
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1904-08-22",
          "window": {
            "start": {
              "local": "1904-08-22T04:50:34+03:26",
              "utc": "1904-08-22T01:24:34Z",
              "ms": -2062622125683.8845
            },
            "end": {
              "local": "1904-08-22T04:50:34+03:26",
              "utc": "1904-08-22T01:24:34Z",
              "ms": -2062622125683.8845
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 19:39 on Sat 20 Aug to 20:35 on Sun 21 Aug.",
          "fact": "1904-08-20T16:14:06Z → 1904-08-21T17:10:08Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 04:49 on the 21st and 04:50 on the 22nd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 21st and is not on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 29666 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Mashhad, 1904: Sunday 21 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": "1904-08-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-08-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Putradā Ekādaśī 1904 falls on Sunday 21 August. Ekādaśī runs from 19:39 on Sat 20 Aug to 20:35 on Sun 21 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/ekadashi?on=1904-08-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/damodara-dvadashi",
      "festival": "damodara-dvadashi",
      "name": "Dāmodara Dvādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-08-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31304,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1904-08-21T20:36:08+03:26",
          "utc": "1904-08-21T17:10:08Z",
          "ms": -2062651792001.956
        },
        "end": {
          "local": "1904-08-22T22:01:40+03:26",
          "utc": "1904-08-22T18:35:40Z",
          "ms": -2062560259758.8457
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-08-21T20:36:08+03:26",
          "utc": "1904-08-21T17:10:08Z",
          "ms": -2062651792001.956
        },
        "end": {
          "local": "1904-08-22T22:01:40+03:26",
          "utc": "1904-08-22T18:35:40Z",
          "ms": -2062560259758.8457
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-08-21",
          "window": {
            "start": {
              "local": "1904-08-21T11:06:24+03:26",
              "utc": "1904-08-21T07:40:24Z",
              "ms": -2062685976026.6157
            },
            "end": {
              "local": "1904-08-21T11:54:24+03:26",
              "utc": "1904-08-21T08:28:24Z",
              "ms": -2062683096026.6157
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-08-22",
          "window": {
            "start": {
              "local": "1904-08-22T11:06:09+03:26",
              "utc": "1904-08-22T07:40:09Z",
              "ms": -2062599590819.7861
            },
            "end": {
              "local": "1904-08-22T11:54:09+03:26",
              "utc": "1904-08-22T08:28:09Z",
              "ms": -2062596710819.7861
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 20:35 on Sun 21 Aug to 22:01 on Mon 22 Aug.",
          "fact": "1904-08-21T17:10:08Z → 1904-08-22T18:35:40Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:05–11:53 on the 21st, 11:05–11:53 on the 22nd.",
          "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 21st and 48 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 31304 s"
        },
        {
          "step": "ruling",
          "text": "Dāmodara Dvādaśī, Mashhad, 1904: Monday 22 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": "1904-08-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-08-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Dāmodara Dvādaśī 1904 falls on Monday 22 August. Dvādaśī runs from 20:35 on Sun 21 Aug to 22:01 on Mon 22 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/pradosha-vrata?on=1904-08-23",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-08-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8783,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-08-22T22:01:40+03:26",
          "utc": "1904-08-22T18:35:40Z",
          "ms": -2062560259758.8457
        },
        "end": {
          "local": "1904-08-23T23:52:10+03:26",
          "utc": "1904-08-23T20:26:10Z",
          "ms": -2062467230453.7795
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-08-22T22:01:40+03:26",
          "utc": "1904-08-22T18:35:40Z",
          "ms": -2062560259758.8457
        },
        "end": {
          "local": "1904-08-23T23:52:10+03:26",
          "utc": "1904-08-23T20:26:10Z",
          "ms": -2062467230453.7795
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-08-22",
          "window": {
            "start": {
              "local": "1904-08-22T18:09:44+03:26",
              "utc": "1904-08-22T14:43:44Z",
              "ms": -2062574175955.6877
            },
            "end": {
              "local": "1904-08-22T19:35:17+03:26",
              "utc": "1904-08-22T16:09:17Z",
              "ms": -2062569042857.0764
            }
          },
          "covered_min": 0,
          "window_min": 86,
          "qualifies": false
        },
        {
          "local_date": "1904-08-23",
          "window": {
            "start": {
              "local": "1904-08-23T18:08:26+03:26",
              "utc": "1904-08-23T14:42:26Z",
              "ms": -2062487854428.8372
            },
            "end": {
              "local": "1904-08-23T19:34:16+03:26",
              "utc": "1904-08-23T16:08:16Z",
              "ms": -2062482704483.4531
            }
          },
          "covered_min": 86,
          "window_min": 86,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 22:01 on Mon 22 Aug to 23:51 on Tue 23 Aug.",
          "fact": "1904-08-22T18:35:40Z → 1904-08-23T20:26:10Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:09–19:34 on the 22nd, 18:07–19:33 on the 23rd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 86 minutes on the 22nd and 86 of 86 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 8783 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Mashhad, 1904: Tuesday 23 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": "1904-08-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-08-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śukla Pradoṣa Vrata 1904 falls on Tuesday 23 August. Trayodaśī runs from 22:01 on Mon 22 Aug to 23:51 on Tue 23 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/pradosha-vrata?on=1904-08-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/raksha-bandhana",
      "festival": "raksha-bandhana",
      "name": "Rakṣā Bandhana",
      "everyday": "Rakhi",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-08-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1548,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1904-08-25T02:02:41+03:26",
          "utc": "1904-08-24T22:36:41Z",
          "ms": -2062372998810.9062
        },
        "end": {
          "local": "1904-08-26T04:27:58+03:26",
          "utc": "1904-08-26T01:01:58Z",
          "ms": -2062277881998.677
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "second-half",
        "start": {
          "local": "1904-08-25T15:13:50+03:26",
          "utc": "1904-08-25T11:47:50Z",
          "ms": -2062325530060.0276
        },
        "end": {
          "local": "1904-08-26T04:27:58+03:26",
          "utc": "1904-08-26T01:01:58Z",
          "ms": -2062277881998.677
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "1904-08-25",
          "window": {
            "start": {
              "local": "1904-08-25T04:52:58+03:26",
              "utc": "1904-08-25T01:26:58Z",
              "ms": -2062362782048.9727
            },
            "end": {
              "local": "1904-08-26T04:53:46+03:26",
              "utc": "1904-08-26T01:27:46Z",
              "ms": -2062276334344.6174
            }
          },
          "covered_min": 794,
          "window_min": 1441,
          "qualifies": true
        },
        {
          "local_date": "1904-08-26",
          "window": {
            "start": {
              "local": "1904-08-26T04:53:46+03:26",
              "utc": "1904-08-26T01:27:46Z",
              "ms": -2062276334344.6174
            },
            "end": {
              "local": "1904-08-27T04:54:33+03:26",
              "utc": "1904-08-27T01:28:33Z",
              "ms": -2062189886721.4492
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 02:02 on Thu 25 Aug to 04:27 on Fri 26 Aug. Its second half begins at 15:13 on Thu 25 Aug.",
          "fact": "1904-08-24T22:36:41Z → 1904-08-26T01:01:58Z · second half from 1904-08-25T11:47:50Z"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 04:52 on the 25th, and from 04:53 on the 26th.",
          "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 794 of 1441 minutes on the 25th and 0 of 1441 on the 26th.",
          "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 1548 s"
        },
        {
          "step": "ruling",
          "text": "Rakṣā Bandhana, Mashhad, 1904: Thursday 25 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": "1904-08-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-08-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Rakṣā Bandhana (Rakhi) 1904 falls on Thursday 25 August. The second half of Pūrṇimā runs from 15:13 on Thu 25 Aug to 04:27 on Fri 26 Aug and lies within that day, sunrise to sunrise.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/rishi-tarpana",
      "festival": "rishi-tarpana",
      "name": "Ṛṣi Tarpaṇa",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-08-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23828,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1904-08-25T02:02:41+03:26",
          "utc": "1904-08-24T22:36:41Z",
          "ms": -2062372998810.9062
        },
        "end": {
          "local": "1904-08-26T04:27:58+03:26",
          "utc": "1904-08-26T01:01:58Z",
          "ms": -2062277881998.677
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-08-25T02:02:41+03:26",
          "utc": "1904-08-24T22:36:41Z",
          "ms": -2062372998810.9062
        },
        "end": {
          "local": "1904-08-26T04:27:58+03:26",
          "utc": "1904-08-26T01:01:58Z",
          "ms": -2062277881998.677
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-08-25",
          "window": {
            "start": {
              "local": "1904-08-25T11:05:22+03:26",
              "utc": "1904-08-25T07:39:22Z",
              "ms": -2062340437891.6487
            },
            "end": {
              "local": "1904-08-25T11:53:22+03:26",
              "utc": "1904-08-25T08:27:22Z",
              "ms": -2062337557891.6487
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-08-26",
          "window": {
            "start": {
              "local": "1904-08-26T11:05:06+03:26",
              "utc": "1904-08-26T07:39:06Z",
              "ms": -2062254054424.3203
            },
            "end": {
              "local": "1904-08-26T11:53:06+03:26",
              "utc": "1904-08-26T08:27:06Z",
              "ms": -2062251174424.3203
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 02:02 on Thu 25 Aug to 04:27 on Fri 26 Aug.",
          "fact": "1904-08-24T22:36:41Z → 1904-08-26T01:01:58Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:04–11:52 on the 25th, 11:04–11:52 on the 26th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 23828 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Tarpaṇa, Mashhad, 1904: Thursday 25 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": "1904-08-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-08-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Ṛṣi Tarpaṇa 1904 falls on Thursday 25 August. Pūrṇimā runs from 02:02 on Thu 25 Aug to 04:27 on Fri 26 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/ashunya-shayana-vrata",
      "festival": "ashunya-shayana-vrata",
      "name": "Aśūnya Śayana Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-08-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34751,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "1904-08-27T07:02:08+03:26",
          "utc": "1904-08-27T03:36:08Z",
          "ms": -2062182232214.8906
        },
        "end": {
          "local": "1904-08-28T09:38:26+03:26",
          "utc": "1904-08-28T06:12:26Z",
          "ms": -2062086453558.7363
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-08-27T07:02:08+03:26",
          "utc": "1904-08-27T03:36:08Z",
          "ms": -2062182232214.8906
        },
        "end": {
          "local": "1904-08-28T09:38:26+03:26",
          "utc": "1904-08-28T06:12:26Z",
          "ms": -2062086453558.7363
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1904-08-27",
          "window": {
            "start": {
              "local": "1904-08-27T18:46:45+03:26",
              "utc": "1904-08-27T15:20:45Z",
              "ms": -2062139955131.2747
            },
            "end": {
              "local": "1904-08-27T18:46:45+03:26",
              "utc": "1904-08-27T15:20:45Z",
              "ms": -2062139955131.2747
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1904-08-28",
          "window": {
            "start": {
              "local": "1904-08-28T19:17:38+03:26",
              "utc": "1904-08-28T15:51:38Z",
              "ms": -2062051702100.562
            },
            "end": {
              "local": "1904-08-28T19:17:38+03:26",
              "utc": "1904-08-28T15:51:38Z",
              "ms": -2062051702100.562
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 07:01 on Sat 27 Aug to 09:37 on Sun 28 Aug.",
          "fact": "1904-08-27T03:36:08Z → 1904-08-28T06:12:26Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 18:46 on the 27th and 19:17 on the 28th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be current at moonrise. It is on the 27th and is not on the 28th.",
          "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 34751 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata, Mashhad, 1904: Saturday 27 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": "1904-08-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-08-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Aśūnya Śayana Vrata 1904 falls on Saturday 27 August. Dvitīyā runs from 07:01 on Sat 27 Aug to 09:37 on Sun 28 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/kajjali-tritiya",
      "festival": "kajjali-tritiya",
      "name": "Kajjalī Tṛtīyā",
      "everyday": "Kajari Teej",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-08-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1014,
      "anga": {
        "type": "tithi",
        "index": 17,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1904-08-28T09:38:26+03:26",
          "utc": "1904-08-28T06:12:26Z",
          "ms": -2062086453558.7363
        },
        "end": {
          "local": "1904-08-29T12:09:07+03:26",
          "utc": "1904-08-29T08:43:07Z",
          "ms": -2061991012603.6619
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-08-28T09:38:26+03:26",
          "utc": "1904-08-28T06:12:26Z",
          "ms": -2062086453558.7363
        },
        "end": {
          "local": "1904-08-29T12:09:07+03:26",
          "utc": "1904-08-29T08:43:07Z",
          "ms": -2061991012603.6619
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-08-28",
          "window": {
            "start": {
              "local": "1904-08-28T11:04:31+03:26",
              "utc": "1904-08-28T07:38:31Z",
              "ms": -2062081288647.8677
            },
            "end": {
              "local": "1904-08-28T11:52:31+03:26",
              "utc": "1904-08-28T08:26:31Z",
              "ms": -2062078408647.8677
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-08-29",
          "window": {
            "start": {
              "local": "1904-08-29T11:04:14+03:26",
              "utc": "1904-08-29T07:38:14Z",
              "ms": -2061994906302.5752
            },
            "end": {
              "local": "1904-08-29T11:52:14+03:26",
              "utc": "1904-08-29T08:26:14Z",
              "ms": -2061992026302.5752
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 09:37 on Sun 28 Aug to 12:08 on Mon 29 Aug.",
          "fact": "1904-08-28T06:12:26Z → 1904-08-29T08:43:07Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:04–11:52 on the 28th, 11:03–11:51 on the 29th.",
          "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 28th and 48 of 48 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify. Paraviddhā: the second is taken.",
          "fact": "priority: paraviddha → paraviddha · margin 1014 s"
        },
        {
          "step": "ruling",
          "text": "Kajjalī Tṛtīyā, Mashhad, 1904: Monday 29 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": "1904-08-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-08-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Kajjalī Tṛtīyā (Kajari Teej) 1904 falls on Monday 29 August. Tṛtīyā runs from 09:37 on Sun 28 Aug to 12:08 on Mon 29 Aug and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/bahula-chaturthi",
      "festival": "bahula-chaturthi",
      "name": "Bahulā Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-08-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3424,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-08-29T12:09:07+03:26",
          "utc": "1904-08-29T08:43:07Z",
          "ms": -2061991012603.6619
        },
        "end": {
          "local": "1904-08-30T14:25:28+03:26",
          "utc": "1904-08-30T10:59:28Z",
          "ms": -2061896431944.5964
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-08-29T12:09:07+03:26",
          "utc": "1904-08-29T08:43:07Z",
          "ms": -2061991012603.6619
        },
        "end": {
          "local": "1904-08-30T14:25:28+03:26",
          "utc": "1904-08-30T10:59:28Z",
          "ms": -2061896431944.5964
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "1904-08-29",
          "window": {
            "start": {
              "local": "1904-08-29T15:23:29+03:26",
              "utc": "1904-08-29T11:57:29Z",
              "ms": -2061979351064.6318
            },
            "end": {
              "local": "1904-08-29T18:00:19+03:26",
              "utc": "1904-08-29T14:34:19Z",
              "ms": -2061969940906.003
            }
          },
          "covered_min": 157,
          "window_min": 157,
          "qualifies": true
        },
        {
          "local_date": "1904-08-30",
          "window": {
            "start": {
              "local": "1904-08-30T15:22:32+03:26",
              "utc": "1904-08-30T11:56:32Z",
              "ms": -2061893008298.3809
            },
            "end": {
              "local": "1904-08-30T17:58:56+03:26",
              "utc": "1904-08-30T14:32:56Z",
              "ms": -2061883624300.7888
            }
          },
          "covered_min": 0,
          "window_min": 156,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 12:08 on Mon 29 Aug to 14:24 on Tue 30 Aug.",
          "fact": "1904-08-29T08:43:07Z → 1904-08-30T10:59:28Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:22–17:59 on the 29th, 15:22–17:58 on the 30th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during sāyāhna. It covers 157 of 157 minutes on the 29th and 0 of 156 on the 30th.",
          "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 3424 s"
        },
        {
          "step": "ruling",
          "text": "Bahulā Caturthī, Mashhad, 1904: Monday 29 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": "1904-08-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-08-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Bahulā Caturthī 1904 falls on Monday 29 August. Caturthī runs from 12:08 on Mon 29 Aug to 14:24 on Tue 30 Aug and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/sankashta-chaturthi?on=1904-08-29",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-08-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21321,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-08-29T12:09:07+03:26",
          "utc": "1904-08-29T08:43:07Z",
          "ms": -2061991012603.6619
        },
        "end": {
          "local": "1904-08-30T14:25:28+03:26",
          "utc": "1904-08-30T10:59:28Z",
          "ms": -2061896431944.5964
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-08-29T12:09:07+03:26",
          "utc": "1904-08-29T08:43:07Z",
          "ms": -2061991012603.6619
        },
        "end": {
          "local": "1904-08-30T14:25:28+03:26",
          "utc": "1904-08-30T10:59:28Z",
          "ms": -2061896431944.5964
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1904-08-29",
          "window": {
            "start": {
              "local": "1904-08-29T19:48:41+03:26",
              "utc": "1904-08-29T16:22:41Z",
              "ms": -2061963438681.837
            },
            "end": {
              "local": "1904-08-29T19:48:41+03:26",
              "utc": "1904-08-29T16:22:41Z",
              "ms": -2061963438681.837
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1904-08-30",
          "window": {
            "start": {
              "local": "1904-08-30T20:20:50+03:26",
              "utc": "1904-08-30T16:54:50Z",
              "ms": -2061875110499.8325
            },
            "end": {
              "local": "1904-08-30T20:20:50+03:26",
              "utc": "1904-08-30T16:54:50Z",
              "ms": -2061875110499.8325
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 12:08 on Mon 29 Aug to 14:24 on Tue 30 Aug.",
          "fact": "1904-08-29T08:43:07Z → 1904-08-30T10:59:28Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:48 on the 29th and 20:20 on the 30th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 29th and is not on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 21321 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mashhad, 1904: Monday 29 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": "1904-08-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-08-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1904 falls on Monday 29 August. Caturthī runs from 12:08 on Mon 29 Aug to 14:24 on Tue 30 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/sankashta-chaturthi?on=1904-08-29",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/hala-shashthi",
      "festival": "hala-shashthi",
      "name": "Hala Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-09-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16002,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1904-08-31T16:18:20+03:26",
          "utc": "1904-08-31T12:52:20Z",
          "ms": -2061803260190.323
        },
        "end": {
          "local": "1904-09-01T17:39:00+03:26",
          "utc": "1904-09-01T14:13:00Z",
          "ms": -2061712020220.155
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-08-31T16:18:20+03:26",
          "utc": "1904-08-31T12:52:20Z",
          "ms": -2061803260190.323
        },
        "end": {
          "local": "1904-09-01T17:39:00+03:26",
          "utc": "1904-09-01T14:13:00Z",
          "ms": -2061712020220.155
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-08-31",
          "window": {
            "start": {
              "local": "1904-08-31T11:03:37+03:26",
              "utc": "1904-08-31T07:37:37Z",
              "ms": -2061822142605.934
            },
            "end": {
              "local": "1904-08-31T11:51:37+03:26",
              "utc": "1904-08-31T08:25:37Z",
              "ms": -2061819262605.934
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-09-01",
          "window": {
            "start": {
              "local": "1904-09-01T11:03:19+03:26",
              "utc": "1904-09-01T07:37:19Z",
              "ms": -2061735761217.5242
            },
            "end": {
              "local": "1904-09-01T11:51:19+03:26",
              "utc": "1904-09-01T08:25:19Z",
              "ms": -2061732881217.5242
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 16:17 on Wed 31 Aug to 17:38 on Thu 1 Sep.",
          "fact": "1904-08-31T12:52:20Z → 1904-09-01T14:13:00Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:03–11:51 on the 31st, 11:02–11:50 on the 1st.",
          "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 31st and 48 of 48 on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 16002 s"
        },
        {
          "step": "ruling",
          "text": "Hala Ṣaṣṭhī, Mashhad, 1904: Thursday 1 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "hala-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 6 Hala sasthi (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-09-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-09-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Hala Ṣaṣṭhī 1904 falls on Thursday 1 September. Ṣaṣṭhī runs from 16:17 on Wed 31 Aug to 17:38 on Thu 1 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/janmashtami",
      "festival": "janmashtami",
      "name": "Janmāṣṭamī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-09-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16991,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1904-09-02T18:20:13+03:26",
          "utc": "1904-09-02T14:54:13Z",
          "ms": -2061623147080.8276
        },
        "end": {
          "local": "1904-09-03T18:17:07+03:26",
          "utc": "1904-09-03T14:51:07Z",
          "ms": -2061536932517.0684
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-09-02T18:20:13+03:26",
          "utc": "1904-09-02T14:54:13Z",
          "ms": -2061623147080.8276
        },
        "end": {
          "local": "1904-09-03T18:17:07+03:26",
          "utc": "1904-09-03T14:51:07Z",
          "ms": -2061536932517.0684
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1904-09-02",
          "window": {
            "start": {
              "local": "1904-09-02T23:03:23+03:26",
              "utc": "1904-09-02T19:37:23Z",
              "ms": -2061606156503.6812
            },
            "end": {
              "local": "1904-09-02T23:51:23+03:26",
              "utc": "1904-09-02T20:25:23Z",
              "ms": -2061603276503.6812
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-09-03",
          "window": {
            "start": {
              "local": "1904-09-03T23:03:04+03:26",
              "utc": "1904-09-03T19:37:04Z",
              "ms": -2061519775677.0012
            },
            "end": {
              "local": "1904-09-03T23:51:04+03:26",
              "utc": "1904-09-03T20:25:04Z",
              "ms": -2061516895677.0012
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 18:19 on Fri 2 Sep to 18:16 on Sat 3 Sep.",
          "fact": "1904-09-02T14:54:13Z → 1904-09-03T14:51:07Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:02–23:50 on the 2nd, 23:02–23:50 on the 3rd.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during niśītha. It covers 48 of 48 minutes on the 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 night qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 16991 s"
        },
        {
          "step": "ruling",
          "text": "Janmāṣṭamī, Mashhad, 1904: Friday 2 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "janmashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami."
          }
        ],
        "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.",
        "kaala": "nishita",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-09-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-09-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Janmāṣṭamī 1904 falls on Friday 2 September. Aṣṭamī runs from 18:19 on Fri 2 Sep to 18:16 on Sat 3 Sep and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/shitala-saptami",
      "festival": "shitala-saptami",
      "name": "Śītalā Saptamī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-09-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20861,
      "anga": {
        "type": "tithi",
        "index": 21,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1904-09-01T17:39:00+03:26",
          "utc": "1904-09-01T14:13:00Z",
          "ms": -2061712020220.155
        },
        "end": {
          "local": "1904-09-02T18:20:13+03:26",
          "utc": "1904-09-02T14:54:13Z",
          "ms": -2061623147080.8276
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-09-01T17:39:00+03:26",
          "utc": "1904-09-01T14:13:00Z",
          "ms": -2061712020220.155
        },
        "end": {
          "local": "1904-09-02T18:20:13+03:26",
          "utc": "1904-09-02T14:54:13Z",
          "ms": -2061623147080.8276
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-09-01",
          "window": {
            "start": {
              "local": "1904-09-01T11:03:19+03:26",
              "utc": "1904-09-01T07:37:19Z",
              "ms": -2061735761217.5242
            },
            "end": {
              "local": "1904-09-01T11:51:19+03:26",
              "utc": "1904-09-01T08:25:19Z",
              "ms": -2061732881217.5242
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-09-02",
          "window": {
            "start": {
              "local": "1904-09-02T11:03:00+03:26",
              "utc": "1904-09-02T07:37:00Z",
              "ms": -2061649380111.0522
            },
            "end": {
              "local": "1904-09-02T11:51:00+03:26",
              "utc": "1904-09-02T08:25:00Z",
              "ms": -2061646500111.0522
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 17:38 on Thu 1 Sep to 18:19 on Fri 2 Sep.",
          "fact": "1904-09-01T14:13:00Z → 1904-09-02T14:54:13Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 1st, 11:02–11:50 on the 2nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 20861 s"
        },
        {
          "step": "ruling",
          "text": "Śītalā Saptamī, Mashhad, 1904: Friday 2 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shitala-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 7 Sitala saptami (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-09-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-09-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śītalā Saptamī 1904 falls on Friday 2 September. Saptamī runs from 17:38 on Thu 1 Sep to 18:19 on Fri 2 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/ekadashi?on=1904-09-06",
      "festival": "ekadashi",
      "name": "Ajā Ekādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-09-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30929,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1904-09-05T15:53:26+03:26",
          "utc": "1904-09-05T12:27:26Z",
          "ms": -2061372753511.747
        },
        "end": {
          "local": "1904-09-06T13:37:55+03:26",
          "utc": "1904-09-06T10:11:55Z",
          "ms": -2061294485053.579
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-09-05T15:53:26+03:26",
          "utc": "1904-09-05T12:27:26Z",
          "ms": -2061372753511.747
        },
        "end": {
          "local": "1904-09-06T13:37:55+03:26",
          "utc": "1904-09-06T10:11:55Z",
          "ms": -2061294485053.579
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-09-05",
          "window": {
            "start": {
              "local": "1904-09-05T05:01:39+03:26",
              "utc": "1904-09-05T01:35:39Z",
              "ms": -2061411860831.102
            },
            "end": {
              "local": "1904-09-05T05:01:39+03:26",
              "utc": "1904-09-05T01:35:39Z",
              "ms": -2061411860831.102
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1904-09-06",
          "window": {
            "start": {
              "local": "1904-09-06T05:02:26+03:26",
              "utc": "1904-09-06T01:36:26Z",
              "ms": -2061325413695.6865
            },
            "end": {
              "local": "1904-09-06T05:02:26+03:26",
              "utc": "1904-09-06T01:36:26Z",
              "ms": -2061325413695.6865
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 15:52 on Mon 5 Sep to 13:37 on Tue 6 Sep.",
          "fact": "1904-09-05T12:27:26Z → 1904-09-06T10:11:55Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:01 on the 5th and 05:01 on the 6th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 5th and is on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 30929 s"
        },
        {
          "step": "ruling",
          "text": "Ajā Ekādaśī, Mashhad, 1904: Tuesday 6 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": "1904-09-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-09-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Ajā Ekādaśī 1904 falls on Tuesday 6 September. Ekādaśī runs from 15:52 on Mon 5 Sep to 13:37 on Tue 6 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/ekadashi?on=1904-09-06",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/pradosha-vrata?on=1904-09-07",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-09-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25207,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-09-07T10:47:23+03:26",
          "utc": "1904-09-07T07:21:23Z",
          "ms": -2061218316653.7024
        },
        "end": {
          "local": "1904-09-08T07:29:39+03:26",
          "utc": "1904-09-08T04:03:39Z",
          "ms": -2061143781223.2976
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-09-07T10:47:23+03:26",
          "utc": "1904-09-07T07:21:23Z",
          "ms": -2061218316653.7024
        },
        "end": {
          "local": "1904-09-08T07:29:39+03:26",
          "utc": "1904-09-08T04:03:39Z",
          "ms": -2061143781223.2976
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-09-07",
          "window": {
            "start": {
              "local": "1904-09-07T17:47:30+03:26",
              "utc": "1904-09-07T14:21:30Z",
              "ms": -2061193109787.5605
            },
            "end": {
              "local": "1904-09-07T19:17:42+03:26",
              "utc": "1904-09-07T15:51:42Z",
              "ms": -2061187697745.179
            }
          },
          "covered_min": 90,
          "window_min": 90,
          "qualifies": true
        },
        {
          "local_date": "1904-09-08",
          "window": {
            "start": {
              "local": "1904-09-08T17:46:03+03:26",
              "utc": "1904-09-08T14:20:03Z",
              "ms": -2061106797331.211
            },
            "end": {
              "local": "1904-09-08T19:16:33+03:26",
              "utc": "1904-09-08T15:50:33Z",
              "ms": -2061101367336.7068
            }
          },
          "covered_min": 0,
          "window_min": 90,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 10:46 on Wed 7 Sep to 07:29 on Thu 8 Sep.",
          "fact": "1904-09-07T07:21:23Z → 1904-09-08T04:03:39Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:47–19:17 on the 7th, 17:45–19:16 on the 8th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 90 of 90 minutes on the 7th and 0 of 90 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 25207 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1904: Wednesday 7 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": "1904-09-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-09-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1904 falls on Wednesday 7 September. Trayodaśī runs from 10:46 on Wed 7 Sep to 07:29 on Thu 8 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/pradosha-vrata?on=1904-09-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/aghora-chaturdashi",
      "festival": "aghora-chaturdashi",
      "name": "Aghora Caturdaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-09-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31021,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1904-09-08T07:29:39+03:26",
          "utc": "1904-09-08T04:03:39Z",
          "ms": -2061143781223.2976
        },
        "end": {
          "local": "1904-09-09T03:53:34+03:26",
          "utc": "1904-09-09T00:27:34Z",
          "ms": -2061070346497.1145
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-09-08T07:29:39+03:26",
          "utc": "1904-09-08T04:03:39Z",
          "ms": -2061143781223.2976
        },
        "end": {
          "local": "1904-09-09T03:53:34+03:26",
          "utc": "1904-09-09T00:27:34Z",
          "ms": -2061070346497.1145
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-09-07",
          "window": {
            "start": {
              "local": "1904-09-07T17:47:30+03:26",
              "utc": "1904-09-07T14:21:30Z",
              "ms": -2061193109787.5605
            },
            "end": {
              "local": "1904-09-07T19:17:42+03:26",
              "utc": "1904-09-07T15:51:42Z",
              "ms": -2061187697745.179
            }
          },
          "covered_min": 0,
          "window_min": 90,
          "qualifies": false
        },
        {
          "local_date": "1904-09-08",
          "window": {
            "start": {
              "local": "1904-09-08T17:46:03+03:26",
              "utc": "1904-09-08T14:20:03Z",
              "ms": -2061106797331.211
            },
            "end": {
              "local": "1904-09-08T19:16:33+03:26",
              "utc": "1904-09-08T15:50:33Z",
              "ms": -2061101367336.7068
            }
          },
          "covered_min": 90,
          "window_min": 90,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 07:29 on Thu 8 Sep to 03:53 on Fri 9 Sep.",
          "fact": "1904-09-08T04:03:39Z → 1904-09-09T00:27:34Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:47–19:17 on the 7th, 17:45–19:16 on the 8th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 90 minutes on the 7th and 90 of 90 on the 8th.",
          "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 31021 s"
        },
        {
          "step": "ruling",
          "text": "Aghora Caturdaśī, Mashhad, 1904: Thursday 8 September.",
          "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": "1904-09-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-09-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Aghora Caturdaśī 1904 falls on Thursday 8 September. Caturdaśī runs from 07:29 on Thu 8 Sep to 03:53 on Fri 9 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/shivaratri?on=1904-09-08",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-09-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14648,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1904-09-08T07:29:39+03:26",
          "utc": "1904-09-08T04:03:39Z",
          "ms": -2061143781223.2976
        },
        "end": {
          "local": "1904-09-09T03:53:34+03:26",
          "utc": "1904-09-09T00:27:34Z",
          "ms": -2061070346497.1145
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-09-08T07:29:39+03:26",
          "utc": "1904-09-08T04:03:39Z",
          "ms": -2061143781223.2976
        },
        "end": {
          "local": "1904-09-09T03:53:34+03:26",
          "utc": "1904-09-09T00:27:34Z",
          "ms": -2061070346497.1145
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1904-09-07",
          "window": {
            "start": {
              "local": "1904-09-07T23:01:45+03:26",
              "utc": "1904-09-07T19:35:45Z",
              "ms": -2061174254628.63
            },
            "end": {
              "local": "1904-09-07T23:49:45+03:26",
              "utc": "1904-09-07T20:23:45Z",
              "ms": -2061171374628.63
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-09-08",
          "window": {
            "start": {
              "local": "1904-09-08T23:01:25+03:26",
              "utc": "1904-09-08T19:35:25Z",
              "ms": -2061087874851.82
            },
            "end": {
              "local": "1904-09-08T23:49:25+03:26",
              "utc": "1904-09-08T20:23:25Z",
              "ms": -2061084994851.82
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 07:29 on Thu 8 Sep to 03:53 on Fri 9 Sep.",
          "fact": "1904-09-08T04:03:39Z → 1904-09-09T00:27:34Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:01–23:49 on the 7th, 23:00–23:48 on the 8th.",
          "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 7th and 48 of 48 on the 8th.",
          "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 14648 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Mashhad, 1904: Thursday 8 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": "1904-09-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-09-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śivarātri 1904 falls on Thursday 8 September. Caturdaśī runs from 07:29 on Thu 8 Sep to 03:53 on Fri 9 Sep and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/shivaratri?on=1904-09-08",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/rudra-vrata",
      "festival": "rudra-vrata",
      "name": "Rudra Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-09-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30979,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1904-09-10T00:08:38+03:26",
          "utc": "1904-09-09T20:42:38Z",
          "ms": -2060997442011.261
        },
        "end": {
          "local": "1904-09-10T20:24:39+03:26",
          "utc": "1904-09-10T16:58:39Z",
          "ms": -2060924480510.7148
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-09-10T00:08:38+03:26",
          "utc": "1904-09-09T20:42:38Z",
          "ms": -2060997442011.261
        },
        "end": {
          "local": "1904-09-10T20:24:39+03:26",
          "utc": "1904-09-10T16:58:39Z",
          "ms": -2060924480510.7148
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-09-09",
          "window": {
            "start": {
              "local": "1904-09-09T11:00:41+03:26",
              "utc": "1904-09-09T07:34:41Z",
              "ms": -2061044718785.6035
            },
            "end": {
              "local": "1904-09-09T11:48:41+03:26",
              "utc": "1904-09-09T08:22:41Z",
              "ms": -2061041838785.6035
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-09-10",
          "window": {
            "start": {
              "local": "1904-09-10T11:00:21+03:26",
              "utc": "1904-09-10T07:34:21Z",
              "ms": -2060958339324.0576
            },
            "end": {
              "local": "1904-09-10T11:48:21+03:26",
              "utc": "1904-09-10T08:22:21Z",
              "ms": -2060955459324.0576
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 00:08 on Sat 10 Sep to 20:24 on Sat 10 Sep.",
          "fact": "1904-09-09T20:42:38Z → 1904-09-10T16:58:39Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:00–11:48 on the 9th, 10:59–11:47 on the 10th.",
          "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 9th and 48 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 30979 s"
        },
        {
          "step": "ruling",
          "text": "Rudra Vrata, Mashhad, 1904: Saturday 10 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": "1904-09-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-09-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Rudra Vrata 1904 falls on Saturday 10 September. Pratipadā runs from 00:08 on Sat 10 Sep to 20:24 on Sat 10 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/haritalika-vrata",
      "festival": "haritalika-vrata",
      "name": "Haritālikā Vrata",
      "everyday": "Hartalika Teej",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-09-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6637,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "1904-09-11T16:51:24+03:26",
          "utc": "1904-09-11T13:25:24Z",
          "ms": -2060850876220.5266
        },
        "end": {
          "local": "1904-09-12T13:38:17+03:26",
          "utc": "1904-09-12T10:12:17Z",
          "ms": -2060776063327.2893
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-09-11T16:51:24+03:26",
          "utc": "1904-09-11T13:25:24Z",
          "ms": -2060850876220.5266
        },
        "end": {
          "local": "1904-09-12T13:38:17+03:26",
          "utc": "1904-09-12T10:12:17Z",
          "ms": -2060776063327.2893
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-09-11",
          "window": {
            "start": {
              "local": "1904-09-11T11:00:00+03:26",
              "utc": "1904-09-11T07:34:00Z",
              "ms": -2060871960002.4458
            },
            "end": {
              "local": "1904-09-11T11:48:00+03:26",
              "utc": "1904-09-11T08:22:00Z",
              "ms": -2060869080002.4458
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-09-12",
          "window": {
            "start": {
              "local": "1904-09-12T10:59:39+03:26",
              "utc": "1904-09-12T07:33:39Z",
              "ms": -2060785580806.875
            },
            "end": {
              "local": "1904-09-12T11:47:39+03:26",
              "utc": "1904-09-12T08:21:39Z",
              "ms": -2060782700806.875
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 16:50 on Sun 11 Sep to 13:37 on Mon 12 Sep.",
          "fact": "1904-09-11T13:25:24Z → 1904-09-12T10:12:17Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 11th, 10:59–11:47 on the 12th.",
          "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 11th and 48 of 48 on the 12th.",
          "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 6637 s"
        },
        {
          "step": "ruling",
          "text": "Haritālikā Vrata, Mashhad, 1904: Monday 12 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": "1904-09-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-09-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Haritālikā Vrata (Hartalika Teej) 1904 falls on Monday 12 September. Tṛtīyā runs from 16:50 on Sun 11 Sep to 13:37 on Mon 12 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/ganesha-chaturthi",
      "festival": "ganesha-chaturthi",
      "name": "Gaṇeśa Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-09-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 316,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-09-12T13:38:17+03:26",
          "utc": "1904-09-12T10:12:17Z",
          "ms": -2060776063327.2893
        },
        "end": {
          "local": "1904-09-13T10:54:02+03:26",
          "utc": "1904-09-13T07:28:02Z",
          "ms": -2060699517984.8699
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-09-12T13:38:17+03:26",
          "utc": "1904-09-12T10:12:17Z",
          "ms": -2060776063327.2893
        },
        "end": {
          "local": "1904-09-13T10:54:02+03:26",
          "utc": "1904-09-13T07:28:02Z",
          "ms": -2060699517984.8699
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-09-12",
          "window": {
            "start": {
              "local": "1904-09-12T10:59:39+03:26",
              "utc": "1904-09-12T07:33:39Z",
              "ms": -2060785580806.875
            },
            "end": {
              "local": "1904-09-12T11:47:39+03:26",
              "utc": "1904-09-12T08:21:39Z",
              "ms": -2060782700806.875
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-09-13",
          "window": {
            "start": {
              "local": "1904-09-13T10:59:18+03:26",
              "utc": "1904-09-13T07:33:18Z",
              "ms": -2060699201722.379
            },
            "end": {
              "local": "1904-09-13T11:47:18+03:26",
              "utc": "1904-09-13T08:21:18Z",
              "ms": -2060696321722.379
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 13:37 on Mon 12 Sep to 10:53 on Tue 13 Sep.",
          "fact": "1904-09-12T10:12:17Z → 1904-09-13T07:28:02Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 12th, 10:58–11:46 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 0 of 48 minutes on the 12th and 0 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: purvaviddha → second-day · margin 316 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Caturthī, Mashhad, 1904: Tuesday 13 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": "1904-09-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-09-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Gaṇeśa Caturthī 1904 falls on Tuesday 13 September. Caturthī runs from 13:37 on Mon 12 Sep to 10:53 on Tue 13 Sep, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/rishi-panchami",
      "festival": "rishi-panchami",
      "name": "Ṛṣi Pañcamī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-09-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 316,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1904-09-13T10:54:02+03:26",
          "utc": "1904-09-13T07:28:02Z",
          "ms": -2060699517984.8699
        },
        "end": {
          "local": "1904-09-14T08:46:14+03:26",
          "utc": "1904-09-14T05:20:14Z",
          "ms": -2060620786161.6387
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-09-13T10:54:02+03:26",
          "utc": "1904-09-13T07:28:02Z",
          "ms": -2060699517984.8699
        },
        "end": {
          "local": "1904-09-14T08:46:14+03:26",
          "utc": "1904-09-14T05:20:14Z",
          "ms": -2060620786161.6387
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-09-13",
          "window": {
            "start": {
              "local": "1904-09-13T10:59:18+03:26",
              "utc": "1904-09-13T07:33:18Z",
              "ms": -2060699201722.379
            },
            "end": {
              "local": "1904-09-13T11:47:18+03:26",
              "utc": "1904-09-13T08:21:18Z",
              "ms": -2060696321722.379
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-09-14",
          "window": {
            "start": {
              "local": "1904-09-14T10:58:57+03:26",
              "utc": "1904-09-14T07:32:57Z",
              "ms": -2060612822732.7773
            },
            "end": {
              "local": "1904-09-14T11:46:57+03:26",
              "utc": "1904-09-14T08:20:57Z",
              "ms": -2060609942732.7773
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 10:53 on Tue 13 Sep to 08:45 on Wed 14 Sep.",
          "fact": "1904-09-13T07:28:02Z → 1904-09-14T05:20:14Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:58–11:46 on the 13th, 10:58–11:46 on the 14th.",
          "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 13th and 0 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: disputed → only-day · margin 316 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Pañcamī, Mashhad, 1904: Tuesday 13 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": "1904-09-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-09-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Ṛṣi Pañcamī 1904 falls on Tuesday 13 September. Pañcamī runs from 10:53 on Tue 13 Sep to 08:45 on Wed 14 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/surya-shashthi-bhadrapada",
      "festival": "surya-shashthi-bhadrapada",
      "name": "Sūrya Ṣaṣṭhī (Bhādrapada)",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-09-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7963,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1904-09-14T08:46:14+03:26",
          "utc": "1904-09-14T05:20:14Z",
          "ms": -2060620786161.6387
        },
        "end": {
          "local": "1904-09-15T07:20:43+03:26",
          "utc": "1904-09-15T03:54:43Z",
          "ms": -2060539517447.5054
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-09-14T08:46:14+03:26",
          "utc": "1904-09-14T05:20:14Z",
          "ms": -2060620786161.6387
        },
        "end": {
          "local": "1904-09-15T07:20:43+03:26",
          "utc": "1904-09-15T03:54:43Z",
          "ms": -2060539517447.5054
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-09-14",
          "window": {
            "start": {
              "local": "1904-09-14T10:58:57+03:26",
              "utc": "1904-09-14T07:32:57Z",
              "ms": -2060612822732.7773
            },
            "end": {
              "local": "1904-09-14T11:46:57+03:26",
              "utc": "1904-09-14T08:20:57Z",
              "ms": -2060609942732.7773
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-09-15",
          "window": {
            "start": {
              "local": "1904-09-15T10:58:36+03:26",
              "utc": "1904-09-15T07:32:36Z",
              "ms": -2060526443820.3623
            },
            "end": {
              "local": "1904-09-15T11:46:36+03:26",
              "utc": "1904-09-15T08:20:36Z",
              "ms": -2060523563820.3623
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 08:45 on Wed 14 Sep to 07:20 on Thu 15 Sep.",
          "fact": "1904-09-14T05:20:14Z → 1904-09-15T03:54:43Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:58–11:46 on the 14th, 10:58–11:46 on the 15th.",
          "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 14th and 0 of 48 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 7963 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Mashhad, 1904: Wednesday 14 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": "1904-09-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-09-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Sūrya Ṣaṣṭhī (Bhādrapada) 1904 falls on Wednesday 14 September. Ṣaṣṭhī runs from 08:45 on Wed 14 Sep to 07:20 on Thu 15 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/muktabharana-vrata",
      "festival": "muktabharana-vrata",
      "name": "Muktābharaṇa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-09-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13074,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1904-09-15T07:20:43+03:26",
          "utc": "1904-09-15T03:54:43Z",
          "ms": -2060539517447.5054
        },
        "end": {
          "local": "1904-09-16T06:40:59+03:26",
          "utc": "1904-09-16T03:14:59Z",
          "ms": -2060455501423.1616
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-09-15T07:20:43+03:26",
          "utc": "1904-09-15T03:54:43Z",
          "ms": -2060539517447.5054
        },
        "end": {
          "local": "1904-09-16T06:40:59+03:26",
          "utc": "1904-09-16T03:14:59Z",
          "ms": -2060455501423.1616
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-09-15",
          "window": {
            "start": {
              "local": "1904-09-15T10:58:36+03:26",
              "utc": "1904-09-15T07:32:36Z",
              "ms": -2060526443820.3623
            },
            "end": {
              "local": "1904-09-15T11:46:36+03:26",
              "utc": "1904-09-15T08:20:36Z",
              "ms": -2060523563820.3623
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-09-16",
          "window": {
            "start": {
              "local": "1904-09-16T10:58:15+03:26",
              "utc": "1904-09-16T07:32:15Z",
              "ms": -2060440064967.2058
            },
            "end": {
              "local": "1904-09-16T11:46:15+03:26",
              "utc": "1904-09-16T08:20:15Z",
              "ms": -2060437184967.2058
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 07:20 on Thu 15 Sep to 06:40 on Fri 16 Sep.",
          "fact": "1904-09-15T03:54:43Z → 1904-09-16T03:14:59Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:58–11:46 on the 15th, 10:57–11:45 on the 16th.",
          "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 15th and 0 of 48 on the 16th.",
          "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 13074 s"
        },
        {
          "step": "ruling",
          "text": "Muktābharaṇa Vrata, Mashhad, 1904: Thursday 15 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": "1904-09-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-09-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Muktābharaṇa Vrata 1904 falls on Thursday 15 September. Saptamī runs from 07:20 on Thu 15 Sep to 06:40 on Fri 16 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/radhashtami",
      "festival": "radhashtami",
      "name": "Rādhāṣṭamī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-09-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15013,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1904-09-16T06:40:59+03:26",
          "utc": "1904-09-16T03:14:59Z",
          "ms": -2060455501423.1616
        },
        "end": {
          "local": "1904-09-17T06:47:41+03:26",
          "utc": "1904-09-17T03:21:41Z",
          "ms": -2060368698975.2878
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-09-16T06:40:59+03:26",
          "utc": "1904-09-16T03:14:59Z",
          "ms": -2060455501423.1616
        },
        "end": {
          "local": "1904-09-17T06:47:41+03:26",
          "utc": "1904-09-17T03:21:41Z",
          "ms": -2060368698975.2878
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-09-16",
          "window": {
            "start": {
              "local": "1904-09-16T10:58:15+03:26",
              "utc": "1904-09-16T07:32:15Z",
              "ms": -2060440064967.2058
            },
            "end": {
              "local": "1904-09-16T11:46:15+03:26",
              "utc": "1904-09-16T08:20:15Z",
              "ms": -2060437184967.2058
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-09-17",
          "window": {
            "start": {
              "local": "1904-09-17T10:57:54+03:26",
              "utc": "1904-09-17T07:31:54Z",
              "ms": -2060353686152.8374
            },
            "end": {
              "local": "1904-09-17T11:45:54+03:26",
              "utc": "1904-09-17T08:19:54Z",
              "ms": -2060350806152.8374
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 06:40 on Fri 16 Sep to 06:47 on Sat 17 Sep.",
          "fact": "1904-09-16T03:14:59Z → 1904-09-17T03:21:41Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:57–11:45 on the 16th, 10:57–11:45 on the 17th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 15013 s"
        },
        {
          "step": "ruling",
          "text": "Rādhāṣṭamī, Mashhad, 1904: Friday 16 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": "1904-09-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-09-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Rādhāṣṭamī 1904 falls on Friday 16 September. Aṣṭamī runs from 06:40 on Fri 16 Sep to 06:47 on Sat 17 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/ekadashi?on=1904-09-20",
      "festival": "ekadashi",
      "name": "Parivartanī Ekādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-09-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14098,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1904-09-19T09:07:37+03:26",
          "utc": "1904-09-19T05:41:37Z",
          "ms": -2060187503218.6177
        },
        "end": {
          "local": "1904-09-20T11:07:41+03:26",
          "utc": "1904-09-20T07:41:41Z",
          "ms": -2060093898896.9133
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-09-19T09:07:37+03:26",
          "utc": "1904-09-19T05:41:37Z",
          "ms": -2060187503218.6177
        },
        "end": {
          "local": "1904-09-20T11:07:41+03:26",
          "utc": "1904-09-20T07:41:41Z",
          "ms": -2060093898896.9133
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-09-19",
          "window": {
            "start": {
              "local": "1904-09-19T05:12:39+03:26",
              "utc": "1904-09-19T01:46:39Z",
              "ms": -2060201600972.6748
            },
            "end": {
              "local": "1904-09-19T05:12:39+03:26",
              "utc": "1904-09-19T01:46:39Z",
              "ms": -2060201600972.6748
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1904-09-20",
          "window": {
            "start": {
              "local": "1904-09-20T05:13:26+03:26",
              "utc": "1904-09-20T01:47:26Z",
              "ms": -2060115153613.4426
            },
            "end": {
              "local": "1904-09-20T05:13:26+03:26",
              "utc": "1904-09-20T01:47:26Z",
              "ms": -2060115153613.4426
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 09:07 on Mon 19 Sep to 11:07 on Tue 20 Sep.",
          "fact": "1904-09-19T05:41:37Z → 1904-09-20T07:41:41Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:12 on the 19th and 05:12 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 14098 s"
        },
        {
          "step": "ruling",
          "text": "Parivartanī Ekādaśī, Mashhad, 1904: Tuesday 20 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": "1904-09-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-09-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Parivartanī Ekādaśī 1904 falls on Tuesday 20 September. Ekādaśī runs from 09:07 on Mon 19 Sep to 11:07 on Tue 20 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/ekadashi?on=1904-09-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/vamana-jayanti",
      "festival": "vamana-jayanti",
      "name": "Vāmana Jayantī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-09-21",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 651,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1904-09-20T11:07:41+03:26",
          "utc": "1904-09-20T07:41:41Z",
          "ms": -2060093898896.9133
        },
        "end": {
          "local": "1904-09-21T13:29:31+03:26",
          "utc": "1904-09-21T10:03:31Z",
          "ms": -2059998988912.5366
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-09-20T11:07:41+03:26",
          "utc": "1904-09-20T07:41:41Z",
          "ms": -2060093898896.9133
        },
        "end": {
          "local": "1904-09-21T13:29:31+03:26",
          "utc": "1904-09-21T10:03:31Z",
          "ms": -2059998988912.5366
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-09-20",
          "window": {
            "start": {
              "local": "1904-09-20T10:56:50+03:26",
              "utc": "1904-09-20T07:30:50Z",
              "ms": -2060094549734.664
            },
            "end": {
              "local": "1904-09-20T11:44:50+03:26",
              "utc": "1904-09-20T08:18:50Z",
              "ms": -2060091669734.664
            }
          },
          "covered_min": 37,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-09-21",
          "window": {
            "start": {
              "local": "1904-09-21T10:56:29+03:26",
              "utc": "1904-09-21T07:30:29Z",
              "ms": -2060008170864.1309
            },
            "end": {
              "local": "1904-09-21T11:44:29+03:26",
              "utc": "1904-09-21T08:18:29Z",
              "ms": -2060005290864.1309
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 11:07 on Tue 20 Sep to 13:29 on Wed 21 Sep.",
          "fact": "1904-09-20T07:41:41Z → 1904-09-21T10:03:31Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:56–11:44 on the 20th, 10:55–11:43 on the 21st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 37 of 48 minutes on the 20th and 48 of 48 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 651 s"
        },
        {
          "step": "ruling",
          "text": "Vāmana Jayantī, Mashhad, 1904: Wednesday 21 September.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "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": "1904-09-21",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-09-21",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mashhad, Vāmana Jayantī 1904 falls on Wednesday 21 September. Dvādaśī runs from 11:07 on Tue 20 Sep to 13:29 on Wed 21 Sep and covers all of madhyāhna that midday. It also reaches the previous midday for 37 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/mashhad/festivals/1904/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": "/mashhad/festivals/1904/pradosha-vrata?on=1904-09-21",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-09-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4888,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-09-21T13:29:31+03:26",
          "utc": "1904-09-21T10:03:31Z",
          "ms": -2059998988912.5366
        },
        "end": {
          "local": "1904-09-22T16:03:47+03:26",
          "utc": "1904-09-22T12:37:47Z",
          "ms": -2059903333186.3706
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-09-21T13:29:31+03:26",
          "utc": "1904-09-21T10:03:31Z",
          "ms": -2059998988912.5366
        },
        "end": {
          "local": "1904-09-22T16:03:47+03:26",
          "utc": "1904-09-22T12:37:47Z",
          "ms": -2059903333186.3706
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-09-21",
          "window": {
            "start": {
              "local": "1904-09-21T17:26:44+03:26",
              "utc": "1904-09-21T14:00:44Z",
              "ms": -2059984755561.41
            },
            "end": {
              "local": "1904-09-21T19:01:11+03:26",
              "utc": "1904-09-21T15:35:11Z",
              "ms": -2059979089302.3284
            }
          },
          "covered_min": 94,
          "window_min": 94,
          "qualifies": true
        },
        {
          "local_date": "1904-09-22",
          "window": {
            "start": {
              "local": "1904-09-22T17:25:15+03:26",
              "utc": "1904-09-22T13:59:15Z",
              "ms": -2059898445229.3423
            },
            "end": {
              "local": "1904-09-22T18:59:59+03:26",
              "utc": "1904-09-22T15:33:59Z",
              "ms": -2059892760659.1218
            }
          },
          "covered_min": 0,
          "window_min": 95,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 13:29 on Wed 21 Sep to 16:03 on Thu 22 Sep.",
          "fact": "1904-09-21T10:03:31Z → 1904-09-22T12:37:47Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:26–19:00 on the 21st, 17:24–18:59 on the 22nd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 94 of 94 minutes on the 21st and 0 of 95 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 4888 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Mashhad, 1904: Wednesday 21 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": "1904-09-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-09-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śukla Pradoṣa Vrata 1904 falls on Wednesday 21 September. Trayodaśī runs from 13:29 on Wed 21 Sep to 16:03 on Thu 22 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/pradosha-vrata?on=1904-09-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/ananta-chaturdashi",
      "festival": "ananta-chaturdashi",
      "name": "Ananta Caturdaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-09-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30163,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1904-09-22T16:03:47+03:26",
          "utc": "1904-09-22T12:37:47Z",
          "ms": -2059903333186.3706
        },
        "end": {
          "local": "1904-09-23T18:41:44+03:26",
          "utc": "1904-09-23T15:15:44Z",
          "ms": -2059807456030.4106
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-09-22T16:03:47+03:26",
          "utc": "1904-09-22T12:37:47Z",
          "ms": -2059903333186.3706
        },
        "end": {
          "local": "1904-09-23T18:41:44+03:26",
          "utc": "1904-09-23T15:15:44Z",
          "ms": -2059807456030.4106
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "1904-09-22",
          "window": {
            "start": {
              "local": "1904-09-22T05:15:01+03:26",
              "utc": "1904-09-22T01:49:01Z",
              "ms": -2059942258618.2983
            },
            "end": {
              "local": "1904-09-22T07:41:04+03:26",
              "utc": "1904-09-22T04:15:04Z",
              "ms": -2059933495940.507
            }
          },
          "covered_min": 0,
          "window_min": 146,
          "qualifies": false
        },
        {
          "local_date": "1904-09-23",
          "window": {
            "start": {
              "local": "1904-09-23T05:15:49+03:26",
              "utc": "1904-09-23T01:49:49Z",
              "ms": -2059855810952.6887
            },
            "end": {
              "local": "1904-09-23T07:41:24+03:26",
              "utc": "1904-09-23T04:15:24Z",
              "ms": -2059847075727.8833
            }
          },
          "covered_min": 146,
          "window_min": 146,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 16:03 on Thu 22 Sep to 18:41 on Fri 23 Sep.",
          "fact": "1904-09-22T12:37:47Z → 1904-09-23T15:15:44Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:14–07:40 on the 22nd, 05:15–07:40 on the 23rd.",
          "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must hold through the first three muhūrtas after sunrise. It covers 0 of 146 minutes on the 22nd and 146 of 146 on the 23rd.",
          "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 30163 s"
        },
        {
          "step": "ruling",
          "text": "Ananta Caturdaśī, Mashhad, 1904: Friday 23 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": "1904-09-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-09-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Ananta Caturdaśī 1904 falls on Friday 23 September. Caturdaśī runs from 16:03 on Thu 22 Sep to 18:41 on Fri 23 Sep and covers all of the first three muhūrtas after sunrise that morning.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/sankashta-chaturthi?on=1904-09-28",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-09-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30974,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-09-28T03:32:40+03:26",
          "utc": "1904-09-28T00:06:40Z",
          "ms": -2059429999663.6277
        },
        "end": {
          "local": "1904-09-29T04:53:11+03:26",
          "utc": "1904-09-29T01:27:11Z",
          "ms": -2059338769478.7793
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-09-28T03:32:40+03:26",
          "utc": "1904-09-28T00:06:40Z",
          "ms": -2059429999663.6277
        },
        "end": {
          "local": "1904-09-29T04:53:11+03:26",
          "utc": "1904-09-29T01:27:11Z",
          "ms": -2059338769478.7793
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1904-09-27",
          "window": {
            "start": {
              "local": "1904-09-27T18:56:27+03:26",
              "utc": "1904-09-27T15:30:27Z",
              "ms": -2059460973212.358
            },
            "end": {
              "local": "1904-09-27T18:56:27+03:26",
              "utc": "1904-09-27T15:30:27Z",
              "ms": -2059460973212.358
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1904-09-28",
          "window": {
            "start": {
              "local": "1904-09-28T19:32:33+03:26",
              "utc": "1904-09-28T16:06:33Z",
              "ms": -2059372406996.3855
            },
            "end": {
              "local": "1904-09-28T19:32:33+03:26",
              "utc": "1904-09-28T16:06:33Z",
              "ms": -2059372406996.3855
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 03:32 on Wed 28 Sep to 04:52 on Thu 29 Sep.",
          "fact": "1904-09-28T00:06:40Z → 1904-09-29T01:27:11Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 18:55 on the 27th and 19:32 on the 28th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 27th and is on the 28th.",
          "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 30974 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mashhad, 1904: Wednesday 28 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-09-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-09-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1904 falls on Wednesday 28 September. Caturthī runs from 03:32 on Wed 28 Sep to 04:52 on Thu 29 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/sankashta-chaturthi?on=1904-09-28",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/chandra-shashthi",
      "festival": "chandra-shashthi",
      "name": "Candra Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-09-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32672,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1904-09-30T05:43:47+03:26",
          "utc": "1904-09-30T02:17:47Z",
          "ms": -2059249333469.3928
        },
        "end": {
          "local": "1904-10-01T06:00:51+03:26",
          "utc": "1904-10-01T02:34:51Z",
          "ms": -2059161909238.56
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-09-30T05:43:47+03:26",
          "utc": "1904-09-30T02:17:47Z",
          "ms": -2059249333469.3928
        },
        "end": {
          "local": "1904-10-01T06:00:51+03:26",
          "utc": "1904-10-01T02:34:51Z",
          "ms": -2059161909238.56
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1904-09-29",
          "window": {
            "start": {
              "local": "1904-09-29T20:12:12+03:26",
              "utc": "1904-09-29T16:46:12Z",
              "ms": -2059283627619.1213
            },
            "end": {
              "local": "1904-09-29T20:12:12+03:26",
              "utc": "1904-09-29T16:46:12Z",
              "ms": -2059283627619.1213
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1904-09-30",
          "window": {
            "start": {
              "local": "1904-09-30T20:56:19+03:26",
              "utc": "1904-09-30T17:30:19Z",
              "ms": -2059194581177.1404
            },
            "end": {
              "local": "1904-09-30T20:56:19+03:26",
              "utc": "1904-09-30T17:30:19Z",
              "ms": -2059194581177.1404
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 05:43 on Fri 30 Sep to 06:00 on Sat 1 Oct.",
          "fact": "1904-09-30T02:17:47Z → 1904-10-01T02:34:51Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:11 on the 29th and 20:55 on the 30th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 29th and is on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 32672 s"
        },
        {
          "step": "ruling",
          "text": "Candra Ṣaṣṭhī, Mashhad, 1904: Friday 30 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": "1904-09-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-09-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Candra Ṣaṣṭhī 1904 falls on Friday 30 September. Ṣaṣṭhī runs from 05:43 on Fri 30 Sep to 06:00 on Sat 1 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/jitashtami",
      "festival": "jitashtami",
      "name": "Jitāṣṭamī",
      "everyday": "Jitiya",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-10-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35807,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1904-10-02T05:41:42+03:26",
          "utc": "1904-10-02T02:15:42Z",
          "ms": -2059076657773.6123
        },
        "end": {
          "local": "1904-10-03T04:45:01+03:26",
          "utc": "1904-10-03T01:19:01Z",
          "ms": -2058993658560.7397
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-10-02T05:41:42+03:26",
          "utc": "1904-10-02T02:15:42Z",
          "ms": -2059076657773.6123
        },
        "end": {
          "local": "1904-10-03T04:45:01+03:26",
          "utc": "1904-10-03T01:19:01Z",
          "ms": -2058993658560.7397
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-10-01",
          "window": {
            "start": {
              "local": "1904-10-01T17:11:55+03:26",
              "utc": "1904-10-01T13:45:55Z",
              "ms": -2059121645394.2178
            },
            "end": {
              "local": "1904-10-01T18:49:24+03:26",
              "utc": "1904-10-01T15:23:24Z",
              "ms": -2059115795890.9407
            }
          },
          "covered_min": 0,
          "window_min": 97,
          "qualifies": false
        },
        {
          "local_date": "1904-10-02",
          "window": {
            "start": {
              "local": "1904-10-02T17:10:27+03:26",
              "utc": "1904-10-02T13:44:27Z",
              "ms": -2059035332965.3474
            },
            "end": {
              "local": "1904-10-02T18:48:15+03:26",
              "utc": "1904-10-02T15:22:15Z",
              "ms": -2059029465161.5234
            }
          },
          "covered_min": 98,
          "window_min": 98,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 05:41 on Sun 2 Oct to 04:44 on Mon 3 Oct.",
          "fact": "1904-10-02T02:15:42Z → 1904-10-03T01:19:01Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:11–18:48 on the 1st, 17:09–18:47 on the 2nd.",
          "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 97 minutes on the 1st and 98 of 98 on the 2nd.",
          "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 35807 s"
        },
        {
          "step": "ruling",
          "text": "Jitāṣṭamī, Mashhad, 1904: Sunday 2 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "jitashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja"
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-10-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-10-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Jitāṣṭamī (Jitiya) 1904 falls on Sunday 2 October. Aṣṭamī runs from 05:41 on Sun 2 Oct to 04:44 on Mon 3 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/mahalakshmi-vrata-samapana",
      "festival": "mahalakshmi-vrata-samapana",
      "name": "Mahālakṣmī Vrata Samāpana",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-10-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21885,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1904-10-02T05:41:42+03:26",
          "utc": "1904-10-02T02:15:42Z",
          "ms": -2059076657773.6123
        },
        "end": {
          "local": "1904-10-03T04:45:01+03:26",
          "utc": "1904-10-03T01:19:01Z",
          "ms": -2058993658560.7397
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-10-02T05:41:42+03:26",
          "utc": "1904-10-02T02:15:42Z",
          "ms": -2059076657773.6123
        },
        "end": {
          "local": "1904-10-03T04:45:01+03:26",
          "utc": "1904-10-03T01:19:01Z",
          "ms": -2058993658560.7397
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1904-10-01",
          "window": {
            "start": {
              "local": "1904-10-01T21:45:34+03:26",
              "utc": "1904-10-01T18:19:34Z",
              "ms": -2059105225795.249
            },
            "end": {
              "local": "1904-10-01T21:45:34+03:26",
              "utc": "1904-10-01T18:19:34Z",
              "ms": -2059105225795.249
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1904-10-02",
          "window": {
            "start": {
              "local": "1904-10-02T22:40:17+03:26",
              "utc": "1904-10-02T19:14:17Z",
              "ms": -2059015543451.5735
            },
            "end": {
              "local": "1904-10-02T22:40:17+03:26",
              "utc": "1904-10-02T19:14:17Z",
              "ms": -2059015543451.5735
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 05:41 on Sun 2 Oct to 04:44 on Mon 3 Oct.",
          "fact": "1904-10-02T02:15:42Z → 1904-10-03T01:19:01Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:45 on the 1st and 22:39 on the 2nd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is not on the 1st and is on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 21885 s"
        },
        {
          "step": "ruling",
          "text": "Mahālakṣmī Vrata Samāpana, Mashhad, 1904: Sunday 2 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mahalakshmi-vrata-samapana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja"
          }
        ],
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-10-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-10-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Mahālakṣmī Vrata Samāpana 1904 falls on Sunday 2 October. Aṣṭamī runs from 05:41 on Sun 2 Oct to 04:44 on Mon 3 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/ekadashi?on=1904-10-05",
      "festival": "ekadashi",
      "name": "Indirā Ekādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-10-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15792,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1904-10-05T01:02:24+03:26",
          "utc": "1904-10-04T21:36:24Z",
          "ms": -2058834216349.4556
        },
        "end": {
          "local": "1904-10-05T22:22:46+03:26",
          "utc": "1904-10-05T18:56:46Z",
          "ms": -2058757394299.8179
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-10-05T01:02:24+03:26",
          "utc": "1904-10-04T21:36:24Z",
          "ms": -2058834216349.4556
        },
        "end": {
          "local": "1904-10-05T22:22:46+03:26",
          "utc": "1904-10-05T18:56:46Z",
          "ms": -2058757394299.8179
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-10-05",
          "window": {
            "start": {
              "local": "1904-10-05T05:25:36+03:26",
              "utc": "1904-10-05T01:59:36Z",
              "ms": -2058818424230.493
            },
            "end": {
              "local": "1904-10-05T05:25:36+03:26",
              "utc": "1904-10-05T01:59:36Z",
              "ms": -2058818424230.493
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1904-10-06",
          "window": {
            "start": {
              "local": "1904-10-06T05:26:26+03:26",
              "utc": "1904-10-06T02:00:26Z",
              "ms": -2058731973689.8953
            },
            "end": {
              "local": "1904-10-06T05:26:26+03:26",
              "utc": "1904-10-06T02:00:26Z",
              "ms": -2058731973689.8953
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 01:01 on Wed 5 Oct to 22:22 on Wed 5 Oct.",
          "fact": "1904-10-04T21:36:24Z → 1904-10-05T18:56:46Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:25 on the 5th and 05:25 on the 6th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 5th and is not on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 15792 s"
        },
        {
          "step": "ruling",
          "text": "Indirā Ekādaśī, Mashhad, 1904: Wednesday 5 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": "1904-10-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-10-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Indirā Ekādaśī 1904 falls on Wednesday 5 October. Ekādaśī runs from 01:01 on Wed 5 Oct to 22:22 on Wed 5 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/ekadashi?on=1904-10-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/pradosha-vrata?on=1904-10-06",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-10-06",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 2061,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-10-06T19:18:03+03:26",
          "utc": "1904-10-06T15:52:03Z",
          "ms": -2058682077205.613
        },
        "end": {
          "local": "1904-10-07T15:55:27+03:26",
          "utc": "1904-10-07T12:29:27Z",
          "ms": -2058607833078.5808
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-10-06T19:18:03+03:26",
          "utc": "1904-10-06T15:52:03Z",
          "ms": -2058682077205.613
        },
        "end": {
          "local": "1904-10-07T15:55:27+03:26",
          "utc": "1904-10-07T12:29:27Z",
          "ms": -2058607833078.5808
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-10-06",
          "window": {
            "start": {
              "local": "1904-10-06T17:04:41+03:26",
              "utc": "1904-10-06T13:38:41Z",
              "ms": -2058690079136.1377
            },
            "end": {
              "local": "1904-10-06T18:43:42+03:26",
              "utc": "1904-10-06T15:17:42Z",
              "ms": -2058684138297.8267
            }
          },
          "covered_min": 0,
          "window_min": 99,
          "qualifies": false
        },
        {
          "local_date": "1904-10-07",
          "window": {
            "start": {
              "local": "1904-10-07T17:03:15+03:26",
              "utc": "1904-10-07T13:37:15Z",
              "ms": -2058603764504.9512
            },
            "end": {
              "local": "1904-10-07T18:42:35+03:26",
              "utc": "1904-10-07T15:16:35Z",
              "ms": -2058597805464.639
            }
          },
          "covered_min": 0,
          "window_min": 99,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 19:17 on Thu 6 Oct to 15:54 on Fri 7 Oct.",
          "fact": "1904-10-06T15:52:03Z → 1904-10-07T12:29:27Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:04–18:43 on the 6th, 17:02–18:42 on the 7th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 99 minutes on the 6th and 0 of 99 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Neither evening qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 2061 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1904: Thursday 6 October.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-10-06",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-10-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1904 falls on Thursday 6 October. Trayodaśī runs from 19:17 on Thu 6 Oct to 15:54 on Fri 7 Oct, and reaches pradoṣa on neither day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/pradosha-vrata?on=1904-10-06",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/shivaratri?on=1904-10-07",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-10-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24975,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1904-10-07T15:55:27+03:26",
          "utc": "1904-10-07T12:29:27Z",
          "ms": -2058607833078.5808
        },
        "end": {
          "local": "1904-10-08T12:23:19+03:26",
          "utc": "1904-10-08T08:57:19Z",
          "ms": -2058534161193.9182
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-10-07T15:55:27+03:26",
          "utc": "1904-10-07T12:29:27Z",
          "ms": -2058607833078.5808
        },
        "end": {
          "local": "1904-10-08T12:23:19+03:26",
          "utc": "1904-10-08T08:57:19Z",
          "ms": -2058534161193.9182
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1904-10-07",
          "window": {
            "start": {
              "local": "1904-10-07T22:51:42+03:26",
              "utc": "1904-10-07T19:25:42Z",
              "ms": -2058582858103.7798
            },
            "end": {
              "local": "1904-10-07T23:39:42+03:26",
              "utc": "1904-10-07T20:13:42Z",
              "ms": -2058579978103.7798
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-10-08",
          "window": {
            "start": {
              "local": "1904-10-08T22:51:25+03:26",
              "utc": "1904-10-08T19:25:25Z",
              "ms": -2058496474798.6562
            },
            "end": {
              "local": "1904-10-08T23:39:25+03:26",
              "utc": "1904-10-08T20:13:25Z",
              "ms": -2058493594798.6562
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 15:54 on Fri 7 Oct to 12:22 on Sat 8 Oct.",
          "fact": "1904-10-07T12:29:27Z → 1904-10-08T08:57:19Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:51–23:39 on the 7th, 22:50–23:38 on the 8th.",
          "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 7th and 0 of 48 on the 8th.",
          "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 24975 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Mashhad, 1904: Friday 7 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": "1904-10-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-10-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śivarātri 1904 falls on Friday 7 October. Caturdaśī runs from 15:54 on Fri 7 Oct to 12:22 on Sat 8 Oct and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/shivaratri?on=1904-10-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/mahalaya-amavasya",
      "festival": "mahalaya-amavasya",
      "name": "Mahālaya Amāvāsyā",
      "everyday": "Sarvapitṛ Amāvāsyā",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-10-08",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 63,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "1904-10-08T12:23:19+03:26",
          "utc": "1904-10-08T08:57:19Z",
          "ms": -2058534161193.9182
        },
        "end": {
          "local": "1904-10-09T08:50:50+03:26",
          "utc": "1904-10-09T05:24:50Z",
          "ms": -2058460509616.0151
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-10-08T12:23:19+03:26",
          "utc": "1904-10-08T08:57:19Z",
          "ms": -2058534161193.9182
        },
        "end": {
          "local": "1904-10-09T08:50:50+03:26",
          "utc": "1904-10-09T05:24:50Z",
          "ms": -2058460509616.0151
        }
      },
      "kaala": "aparahna",
      "days": [
        {
          "local_date": "1904-10-08",
          "window": {
            "start": {
              "local": "1904-10-08T12:24:22+03:26",
              "utc": "1904-10-08T08:58:22Z",
              "ms": -2058534098290.6025
            },
            "end": {
              "local": "1904-10-08T14:43:06+03:26",
              "utc": "1904-10-08T11:17:06Z",
              "ms": -2058525773819.9338
            }
          },
          "covered_min": 139,
          "window_min": 139,
          "qualifies": true
        },
        {
          "local_date": "1904-10-09",
          "window": {
            "start": {
              "local": "1904-10-09T12:23:52+03:26",
              "utc": "1904-10-09T08:57:52Z",
              "ms": -2058447728284.973
            },
            "end": {
              "local": "1904-10-09T14:42:09+03:26",
              "utc": "1904-10-09T11:16:09Z",
              "ms": -2058439430963.948
            }
          },
          "covered_min": 0,
          "window_min": 138,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 12:22 on Sat 8 Oct to 08:50 on Sun 9 Oct.",
          "fact": "1904-10-08T08:57:19Z → 1904-10-09T05:24:50Z"
        },
        {
          "step": "kaala",
          "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 12:23–14:42 on the 8th, 12:23–14:41 on the 9th.",
          "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during aparāhṇa. It covers 139 of 139 minutes on the 8th and 0 of 138 on the 9th.",
          "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 63 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Mahālaya Amāvāsyā, Mashhad, 1904: Saturday 8 October.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "1904-10-08",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-10-08",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mashhad, Mahālaya Amāvāsyā 1904 falls on Saturday 8 October. Amāvasyā runs from 12:22 on Sat 8 Oct to 08:50 on Sun 9 Oct and covers all of aparāhṇa that afternoon. It is 1 min 03 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/navaratra-arambha",
      "festival": "navaratra-arambha",
      "name": "Navarātrārambha",
      "everyday": "Navratri",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-10-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7193,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1904-10-09T08:50:50+03:26",
          "utc": "1904-10-09T05:24:50Z",
          "ms": -2058460509616.0151
        },
        "end": {
          "local": "1904-10-10T05:27:47+03:26",
          "utc": "1904-10-10T02:01:47Z",
          "ms": -2058386293396.6814
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-10-09T08:50:50+03:26",
          "utc": "1904-10-09T05:24:50Z",
          "ms": -2058460509616.0151
        },
        "end": {
          "local": "1904-10-10T05:27:47+03:26",
          "utc": "1904-10-10T02:01:47Z",
          "ms": -2058386293396.6814
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-10-09",
          "window": {
            "start": {
              "local": "1904-10-09T10:50:43+03:26",
              "utc": "1904-10-09T07:24:43Z",
              "ms": -2058453316945.4854
            },
            "end": {
              "local": "1904-10-09T11:38:43+03:26",
              "utc": "1904-10-09T08:12:43Z",
              "ms": -2058450436945.4854
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-10-10",
          "window": {
            "start": {
              "local": "1904-10-10T10:50:27+03:26",
              "utc": "1904-10-10T07:24:27Z",
              "ms": -2058366932921.338
            },
            "end": {
              "local": "1904-10-10T11:38:27+03:26",
              "utc": "1904-10-10T08:12:27Z",
              "ms": -2058364052921.338
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 08:50 on Sun 9 Oct to 05:27 on Mon 10 Oct.",
          "fact": "1904-10-09T05:24:50Z → 1904-10-10T02:01:47Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:50–11:38 on the 9th, 10:49–11:37 on the 10th.",
          "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 9th and 0 of 48 on the 10th.",
          "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 7193 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha, Mashhad, 1904: Sunday 9 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": "1904-10-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-10-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Navarātrārambha (Navratri) 1904 falls on Sunday 9 October. Pratipadā runs from 08:50 on Sun 9 Oct to 05:27 on Mon 10 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/vinayaka-chaturthi?on=1904-10-12",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-10-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36886,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-10-11T23:49:26+03:26",
          "utc": "1904-10-11T20:23:26Z",
          "ms": -2058233793883.7163
        },
        "end": {
          "local": "1904-10-12T21:52:42+03:26",
          "utc": "1904-10-12T18:26:42Z",
          "ms": -2058154397788.4497
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-10-11T23:49:26+03:26",
          "utc": "1904-10-11T20:23:26Z",
          "ms": -2058233793883.7163
        },
        "end": {
          "local": "1904-10-12T21:52:42+03:26",
          "utc": "1904-10-12T18:26:42Z",
          "ms": -2058154397788.4497
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-10-11",
          "window": {
            "start": {
              "local": "1904-10-11T10:50:12+03:26",
              "utc": "1904-10-11T07:24:12Z",
              "ms": -2058280548439.3208
            },
            "end": {
              "local": "1904-10-11T11:38:12+03:26",
              "utc": "1904-10-11T08:12:12Z",
              "ms": -2058277668439.3208
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-10-12",
          "window": {
            "start": {
              "local": "1904-10-12T10:49:57+03:26",
              "utc": "1904-10-12T07:23:57Z",
              "ms": -2058194163484.8225
            },
            "end": {
              "local": "1904-10-12T11:37:57+03:26",
              "utc": "1904-10-12T08:11:57Z",
              "ms": -2058191283484.8225
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:48 on Tue 11 Oct to 21:52 on Wed 12 Oct.",
          "fact": "1904-10-11T20:23:26Z → 1904-10-12T18:26:42Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:49–11:37 on the 11th, 10:49–11:37 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 36886 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Mashhad, 1904: Wednesday 12 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": "1904-10-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-10-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Vināyaka Caturthī 1904 falls on Wednesday 12 October. Caturthī runs from 23:48 on Tue 11 Oct to 21:52 on Wed 12 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/vinayaka-chaturthi?on=1904-10-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/durga-saptami",
      "festival": "durga-saptami",
      "name": "Durgā Saptamī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-10-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31645,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1904-10-14T20:19:05+03:26",
          "utc": "1904-10-14T16:53:05Z",
          "ms": -2057987214979.6099
        },
        "end": {
          "local": "1904-10-15T20:47:44+03:26",
          "utc": "1904-10-15T17:21:44Z",
          "ms": -2057899096471.6038
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-10-14T20:19:05+03:26",
          "utc": "1904-10-14T16:53:05Z",
          "ms": -2057987214979.6099
        },
        "end": {
          "local": "1904-10-15T20:47:44+03:26",
          "utc": "1904-10-15T17:21:44Z",
          "ms": -2057899096471.6038
        }
      },
      "kaala": "udaya-1",
      "days": [
        {
          "local_date": "1904-10-15",
          "window": {
            "start": {
              "local": "1904-10-15T05:34:15+03:26",
              "utc": "1904-10-15T02:08:15Z",
              "ms": -2057953904935.0723
            },
            "end": {
              "local": "1904-10-15T06:19:27+03:26",
              "utc": "1904-10-15T02:53:27Z",
              "ms": -2057951193027.63
            }
          },
          "covered_min": 45,
          "window_min": 45,
          "qualifies": true
        },
        {
          "local_date": "1904-10-16",
          "window": {
            "start": {
              "local": "1904-10-16T05:35:09+03:26",
              "utc": "1904-10-16T02:09:09Z",
              "ms": -2057867451264.3508
            },
            "end": {
              "local": "1904-10-16T06:20:12+03:26",
              "utc": "1904-10-16T02:54:12Z",
              "ms": -2057864748245.6284
            }
          },
          "covered_min": 0,
          "window_min": 45,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 20:18 on Fri 14 Oct to 20:47 on Sat 15 Oct.",
          "fact": "1904-10-14T16:53:05Z → 1904-10-15T17:21:44Z"
        },
        {
          "step": "kaala",
          "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 05:33–06:18 on the 15th, 05:34–06:19 on the 16th.",
          "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 45 of 45 minutes on the 15th and 0 of 45 on the 16th.",
          "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 31645 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Saptamī, Mashhad, 1904: Saturday 15 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": "1904-10-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-10-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Durgā Saptamī 1904 falls on Saturday 15 October. Saptamī runs from 20:18 on Fri 14 Oct to 20:47 on Sat 15 Oct and covers all of the first muhūrta after sunrise that morning.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/mahashtami",
      "festival": "mahashtami",
      "name": "Mahāṣṭamī",
      "everyday": "Durga Ashtami",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-10-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33029,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1904-10-15T20:47:44+03:26",
          "utc": "1904-10-15T17:21:44Z",
          "ms": -2057899096471.6038
        },
        "end": {
          "local": "1904-10-16T22:03:40+03:26",
          "utc": "1904-10-16T18:37:40Z",
          "ms": -2057808140324.693
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-10-15T20:47:44+03:26",
          "utc": "1904-10-15T17:21:44Z",
          "ms": -2057899096471.6038
        },
        "end": {
          "local": "1904-10-16T22:03:40+03:26",
          "utc": "1904-10-16T18:37:40Z",
          "ms": -2057808140324.693
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-10-15",
          "window": {
            "start": {
              "local": "1904-10-15T10:49:14+03:26",
              "utc": "1904-10-15T07:23:14Z",
              "ms": -2057935005629.255
            },
            "end": {
              "local": "1904-10-15T11:37:14+03:26",
              "utc": "1904-10-15T08:11:14Z",
              "ms": -2057932125629.255
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-10-16",
          "window": {
            "start": {
              "local": "1904-10-16T10:49:01+03:26",
              "utc": "1904-10-16T07:23:01Z",
              "ms": -2057848618623.933
            },
            "end": {
              "local": "1904-10-16T11:37:01+03:26",
              "utc": "1904-10-16T08:11:01Z",
              "ms": -2057845738623.933
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 20:47 on Sat 15 Oct to 22:03 on Sun 16 Oct.",
          "fact": "1904-10-15T17:21:44Z → 1904-10-16T18:37:40Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:48–11:36 on the 15th, 10:48–11:36 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 0 of 48 minutes on the 15th and 48 of 48 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 33029 s"
        },
        {
          "step": "ruling",
          "text": "Mahāṣṭamī, Mashhad, 1904: Sunday 16 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": "1904-10-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-10-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Mahāṣṭamī (Durga Ashtami) 1904 falls on Sunday 16 October. Aṣṭamī runs from 20:47 on Sat 15 Oct to 22:03 on Sun 16 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/mahanavami",
      "festival": "mahanavami",
      "name": "Mahānavamī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-10-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37598,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "1904-10-16T22:03:40+03:26",
          "utc": "1904-10-16T18:37:40Z",
          "ms": -2057808140324.693
        },
        "end": {
          "local": "1904-10-17T23:59:12+03:26",
          "utc": "1904-10-17T20:33:12Z",
          "ms": -2057714807994.8254
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-10-16T22:03:40+03:26",
          "utc": "1904-10-16T18:37:40Z",
          "ms": -2057808140324.693
        },
        "end": {
          "local": "1904-10-17T23:59:12+03:26",
          "utc": "1904-10-17T20:33:12Z",
          "ms": -2057714807994.8254
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-10-16",
          "window": {
            "start": {
              "local": "1904-10-16T10:49:01+03:26",
              "utc": "1904-10-16T07:23:01Z",
              "ms": -2057848618623.933
            },
            "end": {
              "local": "1904-10-16T11:37:01+03:26",
              "utc": "1904-10-16T08:11:01Z",
              "ms": -2057845738623.933
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-10-17",
          "window": {
            "start": {
              "local": "1904-10-17T10:48:49+03:26",
              "utc": "1904-10-17T07:22:49Z",
              "ms": -2057762231062.4038
            },
            "end": {
              "local": "1904-10-17T11:36:49+03:26",
              "utc": "1904-10-17T08:10:49Z",
              "ms": -2057759351062.4038
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 22:03 on Sun 16 Oct to 23:58 on Mon 17 Oct.",
          "fact": "1904-10-16T18:37:40Z → 1904-10-17T20:33:12Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:48–11:36 on the 16th, 10:48–11:36 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 0 of 48 minutes on the 16th and 48 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 37598 s"
        },
        {
          "step": "ruling",
          "text": "Mahānavamī, Mashhad, 1904: Monday 17 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": "1904-10-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-10-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Mahānavamī 1904 falls on Monday 17 October. Navamī runs from 22:03 on Sun 16 Oct to 23:58 on Mon 17 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/vijaya-dashami",
      "festival": "vijaya-dashami",
      "name": "Vijayā Daśamī",
      "everyday": "Dussehra",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-10-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7319,
      "anga": {
        "type": "tithi",
        "index": 9,
        "key": "dashami",
        "name": "Daśamī",
        "start": {
          "local": "1904-10-17T23:59:12+03:26",
          "utc": "1904-10-17T20:33:12Z",
          "ms": -2057714807994.8254
        },
        "end": {
          "local": "1904-10-19T02:23:06+03:26",
          "utc": "1904-10-18T22:57:06Z",
          "ms": -2057619773733.933
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "conjunction",
        "start": {
          "local": "1904-10-17T23:59:12+03:26",
          "utc": "1904-10-17T20:33:12Z",
          "ms": -2057714807994.8254
        },
        "end": {
          "local": "1904-10-18T07:38:56+03:26",
          "utc": "1904-10-18T04:12:56Z",
          "ms": -2057687223790.5725
        },
        "nakshatra": {
          "type": "nakshatra",
          "index": 21,
          "key": "shravana",
          "name": "Śravaṇa",
          "start": {
            "local": "1904-10-17T05:03:45+03:26",
            "utc": "1904-10-17T01:37:45Z",
            "ms": -2057782934732.0598
          },
          "end": {
            "local": "1904-10-18T07:38:56+03:26",
            "utc": "1904-10-18T04:12:56Z",
            "ms": -2057687223790.5725
          }
        }
      },
      "kaala": "daytime",
      "days": [
        {
          "local_date": "1904-10-17",
          "window": {
            "start": {
              "local": "1904-10-17T05:36:03+03:26",
              "utc": "1904-10-17T02:10:03Z",
              "ms": -2057780997265.585
            },
            "end": {
              "local": "1904-10-17T16:49:35+03:26",
              "utc": "1904-10-17T13:23:35Z",
              "ms": -2057740584859.2224
            }
          },
          "covered_min": 0,
          "window_min": 674,
          "qualifies": false
        },
        {
          "local_date": "1904-10-18",
          "window": {
            "start": {
              "local": "1904-10-18T05:36:57+03:26",
              "utc": "1904-10-18T02:10:57Z",
              "ms": -2057694542935.044
            },
            "end": {
              "local": "1904-10-18T16:48:17+03:26",
              "utc": "1904-10-18T13:22:17Z",
              "ms": -2057654262917.8774
            }
          },
          "covered_min": 122,
          "window_min": 671,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Daśamī runs from 23:58 on Mon 17 Oct to 02:22 on Wed 19 Oct, and Śravaṇa from 05:03 on Mon 17 Oct to 07:38 on Tue 18 Oct. They are together from 23:58 on Mon 17 Oct to 07:38 on Tue 18 Oct.",
          "fact": "1904-10-17T20:33:12Z → 1904-10-18T04:12:56Z"
        },
        {
          "step": "kaala",
          "text": "The day time is sunrise to sunset: 05:35–16:49 on the 17th, 05:36–16:47 on the 18th.",
          "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 0 of 674 minutes on the 17th and 122 of 671 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one day qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 7319 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Daśamī, Mashhad, 1904: Tuesday 18 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vijaya-dashami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 10 Vijaya dasami (In Bengal it is observed as paraviddha, covering one muhurta from sunrise. In other places, if it touches Sravana naksatra in the day time it is observed on that day), Sarasvati visarjana (to be observed in naksatra Sravana), Dasahara."
          }
        ],
        "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.",
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day",
        "conjunction": {
          "nakshatra": "Śravaṇa",
          "kaala": "daytime"
        }
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-10-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-10-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Vijayā Daśamī (Dussehra) 1904 falls on Tuesday 18 October. Daśamī runs from 23:58 on Mon 17 Oct to 02:22 on Wed 19 Oct and is with Śravaṇa in the day time that day, for 122 minutes.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/ekadashi?on=1904-10-19",
      "festival": "ekadashi",
      "name": "Pāśāṅkuśā Ekādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-10-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2194,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1904-10-19T02:23:06+03:26",
          "utc": "1904-10-18T22:57:06Z",
          "ms": -2057619773733.933
        },
        "end": {
          "local": "1904-10-20T05:02:13+03:26",
          "utc": "1904-10-20T01:36:13Z",
          "ms": -2057523827033.421
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-10-19T02:23:06+03:26",
          "utc": "1904-10-18T22:57:06Z",
          "ms": -2057619773733.933
        },
        "end": {
          "local": "1904-10-20T05:02:13+03:26",
          "utc": "1904-10-20T01:36:13Z",
          "ms": -2057523827033.421
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-10-19",
          "window": {
            "start": {
              "local": "1904-10-19T05:37:52+03:26",
              "utc": "1904-10-19T02:11:52Z",
              "ms": -2057608088269.0933
            },
            "end": {
              "local": "1904-10-19T05:37:52+03:26",
              "utc": "1904-10-19T02:11:52Z",
              "ms": -2057608088269.0933
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1904-10-20",
          "window": {
            "start": {
              "local": "1904-10-20T05:38:47+03:26",
              "utc": "1904-10-20T02:12:47Z",
              "ms": -2057521633264.3145
            },
            "end": {
              "local": "1904-10-20T05:38:47+03:26",
              "utc": "1904-10-20T02:12:47Z",
              "ms": -2057521633264.3145
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 02:22 on Wed 19 Oct to 05:01 on Thu 20 Oct.",
          "fact": "1904-10-18T22:57:06Z → 1904-10-20T01:36:13Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:37 on the 19th and 05:38 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 2194 s"
        },
        {
          "step": "ruling",
          "text": "Pāśāṅkuśā Ekādaśī, Mashhad, 1904: Wednesday 19 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": "1904-10-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-10-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Pāśāṅkuśā Ekādaśī 1904 falls on Wednesday 19 October. Ekādaśī runs from 02:22 on Wed 19 Oct to 05:01 on Thu 20 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/ekadashi?on=1904-10-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/pradosha-vrata?on=1904-10-21",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-10-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23261,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-10-21T07:43:27+03:26",
          "utc": "1904-10-21T04:17:27Z",
          "ms": -2057427752921.6694
        },
        "end": {
          "local": "1904-10-22T10:15:33+03:26",
          "utc": "1904-10-22T06:49:33Z",
          "ms": -2057332226912.951
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-10-21T07:43:27+03:26",
          "utc": "1904-10-21T04:17:27Z",
          "ms": -2057427752921.6694
        },
        "end": {
          "local": "1904-10-22T10:15:33+03:26",
          "utc": "1904-10-22T06:49:33Z",
          "ms": -2057332226912.951
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-10-21",
          "window": {
            "start": {
              "local": "1904-10-21T16:44:28+03:26",
              "utc": "1904-10-21T13:18:28Z",
              "ms": -2057395291858.7686
            },
            "end": {
              "local": "1904-10-21T18:27:57+03:26",
              "utc": "1904-10-21T15:01:57Z",
              "ms": -2057389082574.4258
            }
          },
          "covered_min": 103,
          "window_min": 103,
          "qualifies": true
        },
        {
          "local_date": "1904-10-22",
          "window": {
            "start": {
              "local": "1904-10-22T16:43:14+03:26",
              "utc": "1904-10-22T13:17:14Z",
              "ms": -2057308966314.7778
            },
            "end": {
              "local": "1904-10-22T18:27:00+03:26",
              "utc": "1904-10-22T15:01:00Z",
              "ms": -2057302739631.1877
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 07:42 on Fri 21 Oct to 10:15 on Sat 22 Oct.",
          "fact": "1904-10-21T04:17:27Z → 1904-10-22T06:49:33Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:43–18:27 on the 21st, 16:42–18:26 on the 22nd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 103 of 103 minutes on the 21st and 0 of 104 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 23261 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Mashhad, 1904: Friday 21 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": "1904-10-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-10-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śukla Pradoṣa Vrata 1904 falls on Friday 21 October. Trayodaśī runs from 07:42 on Fri 21 Oct to 10:15 on Sat 22 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/pradosha-vrata?on=1904-10-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/karaka-chaturthi",
      "festival": "karaka-chaturthi",
      "name": "Karaka Caturthī",
      "everyday": "Karwa Chauth",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-10-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5560,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-10-27T17:21:51+03:26",
          "utc": "1904-10-27T13:55:51Z",
          "ms": -2056874648684.1443
        },
        "end": {
          "local": "1904-10-28T17:30:02+03:26",
          "utc": "1904-10-28T14:04:02Z",
          "ms": -2056787758252.4363
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-10-27T17:21:51+03:26",
          "utc": "1904-10-27T13:55:51Z",
          "ms": -2056874648684.1443
        },
        "end": {
          "local": "1904-10-28T17:30:02+03:26",
          "utc": "1904-10-28T14:04:02Z",
          "ms": -2056787758252.4363
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1904-10-27",
          "window": {
            "start": {
              "local": "1904-10-27T18:54:31+03:26",
              "utc": "1904-10-27T15:28:31Z",
              "ms": -2056869088673.3157
            },
            "end": {
              "local": "1904-10-27T18:54:31+03:26",
              "utc": "1904-10-27T15:28:31Z",
              "ms": -2056869088673.3157
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1904-10-28",
          "window": {
            "start": {
              "local": "1904-10-28T19:42:08+03:26",
              "utc": "1904-10-28T16:16:08Z",
              "ms": -2056779831565.2544
            },
            "end": {
              "local": "1904-10-28T19:42:08+03:26",
              "utc": "1904-10-28T16:16:08Z",
              "ms": -2056779831565.2544
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 17:21 on Thu 27 Oct to 17:29 on Fri 28 Oct.",
          "fact": "1904-10-27T13:55:51Z → 1904-10-28T14:04:02Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 18:54 on the 27th and 19:41 on the 28th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 27th and is not on the 28th.",
          "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 5560 s"
        },
        {
          "step": "ruling",
          "text": "Karaka Caturthī, Mashhad, 1904: Thursday 27 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": "1904-10-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-10-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Karaka Caturthī (Karwa Chauth) 1904 falls on Thursday 27 October. Caturthī runs from 17:21 on Thu 27 Oct to 17:29 on Fri 28 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/sankashta-chaturthi?on=1904-10-27",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-10-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5560,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-10-27T17:21:51+03:26",
          "utc": "1904-10-27T13:55:51Z",
          "ms": -2056874648684.1443
        },
        "end": {
          "local": "1904-10-28T17:30:02+03:26",
          "utc": "1904-10-28T14:04:02Z",
          "ms": -2056787758252.4363
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-10-27T17:21:51+03:26",
          "utc": "1904-10-27T13:55:51Z",
          "ms": -2056874648684.1443
        },
        "end": {
          "local": "1904-10-28T17:30:02+03:26",
          "utc": "1904-10-28T14:04:02Z",
          "ms": -2056787758252.4363
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1904-10-27",
          "window": {
            "start": {
              "local": "1904-10-27T18:54:31+03:26",
              "utc": "1904-10-27T15:28:31Z",
              "ms": -2056869088673.3157
            },
            "end": {
              "local": "1904-10-27T18:54:31+03:26",
              "utc": "1904-10-27T15:28:31Z",
              "ms": -2056869088673.3157
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1904-10-28",
          "window": {
            "start": {
              "local": "1904-10-28T19:42:08+03:26",
              "utc": "1904-10-28T16:16:08Z",
              "ms": -2056779831565.2544
            },
            "end": {
              "local": "1904-10-28T19:42:08+03:26",
              "utc": "1904-10-28T16:16:08Z",
              "ms": -2056779831565.2544
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 17:21 on Thu 27 Oct to 17:29 on Fri 28 Oct.",
          "fact": "1904-10-27T13:55:51Z → 1904-10-28T14:04:02Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 18:54 on the 27th and 19:41 on the 28th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 27th and is not on the 28th.",
          "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 5560 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mashhad, 1904: Thursday 27 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": "1904-10-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-10-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1904 falls on Thursday 27 October. Caturthī runs from 17:21 on Thu 27 Oct to 17:29 on Fri 28 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/sankashta-chaturthi?on=1904-10-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/ahoyi-ashtami",
      "festival": "ahoyi-ashtami",
      "name": "Ahoyī Aṣṭamī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-10-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25839,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1904-10-31T15:22:37+03:26",
          "utc": "1904-10-31T11:56:37Z",
          "ms": -2056536202525.979
        },
        "end": {
          "local": "1904-11-01T13:49:28+03:26",
          "utc": "1904-11-01T10:23:28Z",
          "ms": -2056455391974.5486
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-10-31T15:22:37+03:26",
          "utc": "1904-10-31T11:56:37Z",
          "ms": -2056536202525.979
        },
        "end": {
          "local": "1904-11-01T13:49:28+03:26",
          "utc": "1904-11-01T10:23:28Z",
          "ms": -2056455391974.5486
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1904-10-31",
          "window": {
            "start": {
              "local": "1904-10-31T22:33:16+03:26",
              "utc": "1904-10-31T19:07:16Z",
              "ms": -2056510363987.1738
            },
            "end": {
              "local": "1904-10-31T22:33:16+03:26",
              "utc": "1904-10-31T19:07:16Z",
              "ms": -2056510363987.1738
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1904-11-01",
          "window": {
            "start": {
              "local": "1904-11-01T23:37:31+03:26",
              "utc": "1904-11-01T20:11:31Z",
              "ms": -2056420109475.9404
            },
            "end": {
              "local": "1904-11-01T23:37:31+03:26",
              "utc": "1904-11-01T20:11:31Z",
              "ms": -2056420109475.9404
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 15:22 on Mon 31 Oct to 13:48 on Tue 1 Nov.",
          "fact": "1904-10-31T11:56:37Z → 1904-11-01T10:23:28Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 22:32 on the 31st and 23:37 on the 1st.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is on the 31st and is not on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 25839 s"
        },
        {
          "step": "ruling",
          "text": "Ahoyī Aṣṭamī, Mashhad, 1904: Monday 31 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": "1904-10-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-10-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Ahoyī Aṣṭamī 1904 falls on Monday 31 October. Aṣṭamī runs from 15:22 on Mon 31 Oct to 13:48 on Tue 1 Nov and is current at moonrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/ekadashi?on=1904-11-04",
      "festival": "ekadashi",
      "name": "Ramā Ekādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-11-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3522,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1904-11-03T09:31:28+03:26",
          "utc": "1904-11-03T06:05:28Z",
          "ms": -2056298071746.546
        },
        "end": {
          "local": "1904-11-04T06:51:55+03:26",
          "utc": "1904-11-04T03:25:55Z",
          "ms": -2056221244689.3357
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-11-03T09:31:28+03:26",
          "utc": "1904-11-03T06:05:28Z",
          "ms": -2056298071746.546
        },
        "end": {
          "local": "1904-11-04T06:51:55+03:26",
          "utc": "1904-11-04T03:25:55Z",
          "ms": -2056221244689.3357
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-11-03",
          "window": {
            "start": {
              "local": "1904-11-03T05:52:13+03:26",
              "utc": "1904-11-03T02:26:13Z",
              "ms": -2056311227107.4143
            },
            "end": {
              "local": "1904-11-03T05:52:13+03:26",
              "utc": "1904-11-03T02:26:13Z",
              "ms": -2056311227107.4143
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1904-11-04",
          "window": {
            "start": {
              "local": "1904-11-04T05:53:13+03:26",
              "utc": "1904-11-04T02:27:13Z",
              "ms": -2056224767105.8425
            },
            "end": {
              "local": "1904-11-04T05:53:13+03:26",
              "utc": "1904-11-04T02:27:13Z",
              "ms": -2056224767105.8425
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 09:30 on Thu 3 Nov to 06:51 on Fri 4 Nov.",
          "fact": "1904-11-03T06:05:28Z → 1904-11-04T03:25:55Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:51 on the 3rd and 05:52 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 3522 s"
        },
        {
          "step": "ruling",
          "text": "Ramā Ekādaśī, Mashhad, 1904: Friday 4 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": "1904-11-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-11-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Ramā Ekādaśī 1904 falls on Friday 4 November. Ekādaśī runs from 09:30 on Thu 3 Nov to 06:51 on Fri 4 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/ekadashi?on=1904-11-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/govatsa-dvadashi",
      "festival": "govatsa-dvadashi",
      "name": "Govatsa Dvādaśī",
      "everyday": "Vasu Baras",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-11-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34613,
      "anga": {
        "type": "tithi",
        "index": 26,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1904-11-04T06:51:55+03:26",
          "utc": "1904-11-04T03:25:55Z",
          "ms": -2056221244689.3357
        },
        "end": {
          "local": "1904-11-05T03:58:05+03:26",
          "utc": "1904-11-05T00:32:05Z",
          "ms": -2056145274631.3389
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-11-04T06:51:55+03:26",
          "utc": "1904-11-04T03:25:55Z",
          "ms": -2056221244689.3357
        },
        "end": {
          "local": "1904-11-05T03:58:05+03:26",
          "utc": "1904-11-05T00:32:05Z",
          "ms": -2056145274631.3389
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-11-04",
          "window": {
            "start": {
              "local": "1904-11-04T16:28:48+03:26",
              "utc": "1904-11-04T13:02:48Z",
              "ms": -2056186631898.6443
            },
            "end": {
              "local": "1904-11-04T18:16:11+03:26",
              "utc": "1904-11-04T14:50:11Z",
              "ms": -2056180188558.0864
            }
          },
          "covered_min": 107,
          "window_min": 107,
          "qualifies": true
        },
        {
          "local_date": "1904-11-05",
          "window": {
            "start": {
              "local": "1904-11-05T16:27:51+03:26",
              "utc": "1904-11-05T13:01:51Z",
              "ms": -2056100289423.5562
            },
            "end": {
              "local": "1904-11-05T18:15:30+03:26",
              "utc": "1904-11-05T14:49:30Z",
              "ms": -2056093830346.4338
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 06:51 on Fri 4 Nov to 03:57 on Sat 5 Nov.",
          "fact": "1904-11-04T03:25:55Z → 1904-11-05T00:32:05Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:28–18:15 on the 4th, 16:27–18:14 on the 5th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during pradoṣa. It covers 107 of 107 minutes on the 4th and 0 of 108 on the 5th.",
          "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 34613 s"
        },
        {
          "step": "ruling",
          "text": "Govatsa Dvādaśī, Mashhad, 1904: Friday 4 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "govatsa-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day."
          }
        ],
        "kaala": "pradosha",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-11-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-11-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Govatsa Dvādaśī (Vasu Baras) 1904 falls on Friday 4 November. Dvādaśī runs from 06:51 on Fri 4 Nov to 03:57 on Sat 5 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/yama-dipadana",
      "festival": "yama-dipadana",
      "name": "Yama Dīpadāna",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-11-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24060,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-11-05T03:58:05+03:26",
          "utc": "1904-11-05T00:32:05Z",
          "ms": -2056145274631.3389
        },
        "end": {
          "local": "1904-11-06T00:56:29+03:26",
          "utc": "1904-11-05T21:30:29Z",
          "ms": -2056069770708.621
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-11-05T03:58:05+03:26",
          "utc": "1904-11-05T00:32:05Z",
          "ms": -2056145274631.3389
        },
        "end": {
          "local": "1904-11-06T00:56:29+03:26",
          "utc": "1904-11-05T21:30:29Z",
          "ms": -2056069770708.621
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-11-04",
          "window": {
            "start": {
              "local": "1904-11-04T16:28:48+03:26",
              "utc": "1904-11-04T13:02:48Z",
              "ms": -2056186631898.6443
            },
            "end": {
              "local": "1904-11-04T18:16:11+03:26",
              "utc": "1904-11-04T14:50:11Z",
              "ms": -2056180188558.0864
            }
          },
          "covered_min": 0,
          "window_min": 107,
          "qualifies": false
        },
        {
          "local_date": "1904-11-05",
          "window": {
            "start": {
              "local": "1904-11-05T16:27:51+03:26",
              "utc": "1904-11-05T13:01:51Z",
              "ms": -2056100289423.5562
            },
            "end": {
              "local": "1904-11-05T18:15:30+03:26",
              "utc": "1904-11-05T14:49:30Z",
              "ms": -2056093830346.4338
            }
          },
          "covered_min": 108,
          "window_min": 108,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 03:57 on Sat 5 Nov to 00:55 on Sun 6 Nov.",
          "fact": "1904-11-05T00:32:05Z → 1904-11-05T21:30:29Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:28–18:15 on the 4th, 16:27–18:14 on the 5th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 107 minutes on the 4th and 108 of 108 on the 5th.",
          "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 24060 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dīpadāna, Mashhad, 1904: Saturday 5 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "yama-dipadana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 13 Yama dipadana (pradosa)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-11-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-11-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Yama Dīpadāna 1904 falls on Saturday 5 November. Trayodaśī runs from 03:57 on Sat 5 Nov to 00:55 on Sun 6 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/pradosha-vrata?on=1904-11-05",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-11-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24060,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-11-05T03:58:05+03:26",
          "utc": "1904-11-05T00:32:05Z",
          "ms": -2056145274631.3389
        },
        "end": {
          "local": "1904-11-06T00:56:29+03:26",
          "utc": "1904-11-05T21:30:29Z",
          "ms": -2056069770708.621
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-11-05T03:58:05+03:26",
          "utc": "1904-11-05T00:32:05Z",
          "ms": -2056145274631.3389
        },
        "end": {
          "local": "1904-11-06T00:56:29+03:26",
          "utc": "1904-11-05T21:30:29Z",
          "ms": -2056069770708.621
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-11-04",
          "window": {
            "start": {
              "local": "1904-11-04T16:28:48+03:26",
              "utc": "1904-11-04T13:02:48Z",
              "ms": -2056186631898.6443
            },
            "end": {
              "local": "1904-11-04T18:16:11+03:26",
              "utc": "1904-11-04T14:50:11Z",
              "ms": -2056180188558.0864
            }
          },
          "covered_min": 0,
          "window_min": 107,
          "qualifies": false
        },
        {
          "local_date": "1904-11-05",
          "window": {
            "start": {
              "local": "1904-11-05T16:27:51+03:26",
              "utc": "1904-11-05T13:01:51Z",
              "ms": -2056100289423.5562
            },
            "end": {
              "local": "1904-11-05T18:15:30+03:26",
              "utc": "1904-11-05T14:49:30Z",
              "ms": -2056093830346.4338
            }
          },
          "covered_min": 108,
          "window_min": 108,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 03:57 on Sat 5 Nov to 00:55 on Sun 6 Nov.",
          "fact": "1904-11-05T00:32:05Z → 1904-11-05T21:30:29Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:28–18:15 on the 4th, 16:27–18:14 on the 5th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 107 minutes on the 4th and 108 of 108 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 24060 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1904: Saturday 5 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-11-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-11-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1904 falls on Saturday 5 November. Trayodaśī runs from 03:57 on Sat 5 Nov to 00:55 on Sun 6 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/pradosha-vrata?on=1904-11-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/shivaratri?on=1904-11-05",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-11-05",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 3154,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1904-11-06T00:56:29+03:26",
          "utc": "1904-11-05T21:30:29Z",
          "ms": -2056069770708.621
        },
        "end": {
          "local": "1904-11-06T21:55:00+03:26",
          "utc": "1904-11-06T18:29:00Z",
          "ms": -2055994259770.5745
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-11-06T00:56:29+03:26",
          "utc": "1904-11-05T21:30:29Z",
          "ms": -2056069770708.621
        },
        "end": {
          "local": "1904-11-06T21:55:00+03:26",
          "utc": "1904-11-06T18:29:00Z",
          "ms": -2055994259770.5745
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1904-11-05",
          "window": {
            "start": {
              "local": "1904-11-05T22:47:32+03:26",
              "utc": "1904-11-05T19:21:32Z",
              "ms": -2056077507884.3477
            },
            "end": {
              "local": "1904-11-05T23:35:32+03:26",
              "utc": "1904-11-05T20:09:32Z",
              "ms": -2056074627884.3477
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-11-06",
          "window": {
            "start": {
              "local": "1904-11-06T22:47:34+03:26",
              "utc": "1904-11-06T19:21:34Z",
              "ms": -2055991105565.6516
            },
            "end": {
              "local": "1904-11-06T23:35:34+03:26",
              "utc": "1904-11-06T20:09:34Z",
              "ms": -2055988225565.6516
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 00:55 on Sun 6 Nov to 21:54 on Sun 6 Nov.",
          "fact": "1904-11-05T21:30:29Z → 1904-11-06T18:29:00Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:47–23:35 on the 5th, 22:47–23:35 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 0 of 48 on the 6th.",
          "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 3154 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Mashhad, 1904: Saturday 5 November.",
          "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": "1904-11-05",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-11-05",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mashhad, Śivarātri 1904 falls on Saturday 5 November. Caturdaśī runs from 00:55 on Sun 6 Nov to 21:54 on Sun 6 Nov, and reaches niśītha on neither day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/shivaratri?on=1904-11-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/naraka-chaturdashi",
      "festival": "naraka-chaturdashi",
      "name": "Naraka Caturdaśī",
      "everyday": "Choti Diwali",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-11-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11465,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1904-11-06T00:56:29+03:26",
          "utc": "1904-11-05T21:30:29Z",
          "ms": -2056069770708.621
        },
        "end": {
          "local": "1904-11-06T21:55:00+03:26",
          "utc": "1904-11-06T18:29:00Z",
          "ms": -2055994259770.5745
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-11-06T00:56:29+03:26",
          "utc": "1904-11-05T21:30:29Z",
          "ms": -2056069770708.621
        },
        "end": {
          "local": "1904-11-06T21:55:00+03:26",
          "utc": "1904-11-06T18:29:00Z",
          "ms": -2055994259770.5745
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "1904-11-06",
          "window": {
            "start": {
              "local": "1904-11-06T04:07:35+03:26",
              "utc": "1904-11-06T00:41:35Z",
              "ms": -2056058305422.2615
            },
            "end": {
              "local": "1904-11-06T05:55:14+03:26",
              "utc": "1904-11-06T02:29:14Z",
              "ms": -2056051846345.1392
            }
          },
          "covered_min": 108,
          "window_min": 108,
          "qualifies": true
        },
        {
          "local_date": "1904-11-07",
          "window": {
            "start": {
              "local": "1904-11-07T04:08:20+03:26",
              "utc": "1904-11-07T00:42:20Z",
              "ms": -2055971860281.1042
            },
            "end": {
              "local": "1904-11-07T05:56:14+03:26",
              "utc": "1904-11-07T02:30:14Z",
              "ms": -2055965385632.178
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 00:55 on Sun 6 Nov to 21:54 on Sun 6 Nov.",
          "fact": "1904-11-05T21:30:29Z → 1904-11-06T18:29:00Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:07–05:54 on the 6th, 04:07–05:55 on the 7th.",
          "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 6th and 0 of 108 on the 7th.",
          "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 11465 s"
        },
        {
          "step": "ruling",
          "text": "Naraka Caturdaśī, Mashhad, 1904: Sunday 6 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naraka-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)"
          }
        ],
        "kaala": "arunodaya",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-11-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-11-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Naraka Caturdaśī (Choti Diwali) 1904 falls on Sunday 6 November. Caturdaśī runs from 00:55 on Sun 6 Nov to 21:54 on Sun 6 Nov and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/kali-puja",
      "festival": "kali-puja",
      "name": "Kālī Pūjā",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-11-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3154,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "1904-11-06T21:55:00+03:26",
          "utc": "1904-11-06T18:29:00Z",
          "ms": -2055994259770.5745
        },
        "end": {
          "local": "1904-11-07T19:02:36+03:26",
          "utc": "1904-11-07T15:36:36Z",
          "ms": -2055918204421.16
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-11-06T21:55:00+03:26",
          "utc": "1904-11-06T18:29:00Z",
          "ms": -2055994259770.5745
        },
        "end": {
          "local": "1904-11-07T19:02:36+03:26",
          "utc": "1904-11-07T15:36:36Z",
          "ms": -2055918204421.16
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1904-11-06",
          "window": {
            "start": {
              "local": "1904-11-06T22:47:34+03:26",
              "utc": "1904-11-06T19:21:34Z",
              "ms": -2055991105565.6516
            },
            "end": {
              "local": "1904-11-06T23:35:34+03:26",
              "utc": "1904-11-06T20:09:34Z",
              "ms": -2055988225565.6516
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-11-07",
          "window": {
            "start": {
              "local": "1904-11-07T22:47:38+03:26",
              "utc": "1904-11-07T19:21:38Z",
              "ms": -2055904702415.372
            },
            "end": {
              "local": "1904-11-07T23:35:38+03:26",
              "utc": "1904-11-07T20:09:38Z",
              "ms": -2055901822415.372
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 21:54 on Sun 6 Nov to 19:02 on Mon 7 Nov.",
          "fact": "1904-11-06T18:29:00Z → 1904-11-07T15:36:36Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:47–23:35 on the 6th, 22:47–23:35 on the 7th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during niśītha. It covers 48 of 48 minutes on the 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 night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 3154 s"
        },
        {
          "step": "ruling",
          "text": "Kālī Pūjā, Mashhad, 1904: Sunday 6 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "kali-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)"
          }
        ],
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-11-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-11-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Kālī Pūjā 1904 falls on Sunday 6 November. Amāvasyā runs from 21:54 on Sun 6 Nov to 19:02 on Mon 7 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/diwali-lakshmi-puja",
      "festival": "diwali-lakshmi-puja",
      "name": "Lakṣmī Pūjā",
      "everyday": "Diwali",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-11-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2906,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "1904-11-06T21:55:00+03:26",
          "utc": "1904-11-06T18:29:00Z",
          "ms": -2055994259770.5745
        },
        "end": {
          "local": "1904-11-07T19:02:36+03:26",
          "utc": "1904-11-07T15:36:36Z",
          "ms": -2055918204421.16
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-11-06T21:55:00+03:26",
          "utc": "1904-11-06T18:29:00Z",
          "ms": -2055994259770.5745
        },
        "end": {
          "local": "1904-11-07T19:02:36+03:26",
          "utc": "1904-11-07T15:36:36Z",
          "ms": -2055918204421.16
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-11-06",
          "window": {
            "start": {
              "local": "1904-11-06T16:26:55+03:26",
              "utc": "1904-11-06T13:00:55Z",
              "ms": -2056013945499.1252
            },
            "end": {
              "local": "1904-11-06T18:14:49+03:26",
              "utc": "1904-11-06T14:48:49Z",
              "ms": -2056007470850.199
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        },
        {
          "local_date": "1904-11-07",
          "window": {
            "start": {
              "local": "1904-11-07T16:26:00+03:26",
              "utc": "1904-11-07T13:00:00Z",
              "ms": -2055927600098.728
            },
            "end": {
              "local": "1904-11-07T18:14:10+03:26",
              "utc": "1904-11-07T14:48:10Z",
              "ms": -2055921110049.833
            }
          },
          "covered_min": 108,
          "window_min": 108,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 21:54 on Sun 6 Nov to 19:02 on Mon 7 Nov.",
          "fact": "1904-11-06T18:29:00Z → 1904-11-07T15:36:36Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:26–18:14 on the 6th, 16:25–18:13 on the 7th.",
          "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 108 minutes on the 6th and 108 of 108 on the 7th.",
          "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 2906 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pūjā, Mashhad, 1904: Monday 7 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "diwali-lakshmi-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)"
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-11-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-11-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Lakṣmī Pūjā (Diwali) 1904 falls on Monday 7 November. Amāvasyā runs from 21:54 on Sun 6 Nov to 19:02 on Mon 7 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/govardhana-puja",
      "festival": "govardhana-puja",
      "name": "Govardhana Pūjā",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-11-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17621,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1904-11-07T19:02:36+03:26",
          "utc": "1904-11-07T15:36:36Z",
          "ms": -2055918204421.16
        },
        "end": {
          "local": "1904-11-08T16:28:52+03:26",
          "utc": "1904-11-08T13:02:52Z",
          "ms": -2055841027928.743
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-11-07T19:02:36+03:26",
          "utc": "1904-11-07T15:36:36Z",
          "ms": -2055918204421.16
        },
        "end": {
          "local": "1904-11-08T16:28:52+03:26",
          "utc": "1904-11-08T13:02:52Z",
          "ms": -2055841027928.743
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-11-07",
          "window": {
            "start": {
              "local": "1904-11-07T10:47:07+03:26",
              "utc": "1904-11-07T07:21:07Z",
              "ms": -2055947932865.4531
            },
            "end": {
              "local": "1904-11-07T11:35:07+03:26",
              "utc": "1904-11-07T08:09:07Z",
              "ms": -2055945052865.4531
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-11-08",
          "window": {
            "start": {
              "local": "1904-11-08T10:47:11+03:26",
              "utc": "1904-11-08T07:21:11Z",
              "ms": -2055861528964.1287
            },
            "end": {
              "local": "1904-11-08T11:35:11+03:26",
              "utc": "1904-11-08T08:09:11Z",
              "ms": -2055858648964.1287
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 19:02 on Mon 7 Nov to 16:28 on Tue 8 Nov.",
          "fact": "1904-11-07T15:36:36Z → 1904-11-08T13:02:52Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:46–11:34 on the 7th, 10:46–11:34 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. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 17621 s"
        },
        {
          "step": "ruling",
          "text": "Govardhana Pūjā, Mashhad, 1904: Tuesday 8 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "govardhana-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-11-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-11-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Govardhana Pūjā 1904 falls on Tuesday 8 November. Pratipadā runs from 19:02 on Mon 7 Nov to 16:28 on Tue 8 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/bali-puja",
      "festival": "bali-puja",
      "name": "Bali Pūjā",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-11-08",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 225,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1904-11-07T19:02:36+03:26",
          "utc": "1904-11-07T15:36:36Z",
          "ms": -2055918204421.16
        },
        "end": {
          "local": "1904-11-08T16:28:52+03:26",
          "utc": "1904-11-08T13:02:52Z",
          "ms": -2055841027928.743
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-11-07T19:02:36+03:26",
          "utc": "1904-11-07T15:36:36Z",
          "ms": -2055918204421.16
        },
        "end": {
          "local": "1904-11-08T16:28:52+03:26",
          "utc": "1904-11-08T13:02:52Z",
          "ms": -2055841027928.743
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-11-07",
          "window": {
            "start": {
              "local": "1904-11-07T16:26:00+03:26",
              "utc": "1904-11-07T13:00:00Z",
              "ms": -2055927600098.728
            },
            "end": {
              "local": "1904-11-07T18:14:10+03:26",
              "utc": "1904-11-07T14:48:10Z",
              "ms": -2055921110049.833
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        },
        {
          "local_date": "1904-11-08",
          "window": {
            "start": {
              "local": "1904-11-08T16:25:07+03:26",
              "utc": "1904-11-08T12:59:07Z",
              "ms": -2055841253196.2415
            },
            "end": {
              "local": "1904-11-08T18:13:32+03:26",
              "utc": "1904-11-08T14:47:32Z",
              "ms": -2055834747926.4492
            }
          },
          "covered_min": 4,
          "window_min": 108,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 19:02 on Mon 7 Nov to 16:28 on Tue 8 Nov.",
          "fact": "1904-11-07T15:36:36Z → 1904-11-08T13:02:52Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:25–18:13 on the 7th, 16:24–18:13 on the 8th.",
          "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 108 minutes on the 7th and 4 of 108 on the 8th.",
          "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 225 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Bali Pūjā, Mashhad, 1904: Tuesday 8 November.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "1904-11-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-11-07",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mashhad, Bali Pūjā 1904 falls on Tuesday 8 November. Pratipadā runs from 19:02 on Mon 7 Nov to 16:28 on Tue 8 Nov and covers 4 of 108 minutes of pradoṣa that evening. It is 3 min 45 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/dyuta-pratipad",
      "festival": "dyuta-pratipad",
      "name": "Dyūta Pratipad",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-11-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25340,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "1904-11-07T19:02:36+03:26",
          "utc": "1904-11-07T15:36:36Z",
          "ms": -2055918204421.16
        },
        "end": {
          "local": "1904-11-08T16:28:52+03:26",
          "utc": "1904-11-08T13:02:52Z",
          "ms": -2055841027928.743
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-11-07T19:02:36+03:26",
          "utc": "1904-11-07T15:36:36Z",
          "ms": -2055918204421.16
        },
        "end": {
          "local": "1904-11-08T16:28:52+03:26",
          "utc": "1904-11-08T13:02:52Z",
          "ms": -2055841027928.743
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "1904-11-07",
          "window": {
            "start": {
              "local": "1904-11-07T05:56:14+03:26",
              "utc": "1904-11-07T02:30:14Z",
              "ms": -2055965385632.178
            },
            "end": {
              "local": "1904-11-07T09:26:10+03:26",
              "utc": "1904-11-07T06:00:10Z",
              "ms": -2055952790454.3613
            }
          },
          "covered_min": 0,
          "window_min": 210,
          "qualifies": false
        },
        {
          "local_date": "1904-11-08",
          "window": {
            "start": {
              "local": "1904-11-08T05:57:15+03:26",
              "utc": "1904-11-08T02:31:15Z",
              "ms": -2055878924732.0159
            },
            "end": {
              "local": "1904-11-08T09:26:32+03:26",
              "utc": "1904-11-08T06:00:32Z",
              "ms": -2055866367553.4243
            }
          },
          "covered_min": 209,
          "window_min": 209,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 19:02 on Mon 7 Nov to 16:28 on Tue 8 Nov.",
          "fact": "1904-11-07T15:36:36Z → 1904-11-08T13:02:52Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:55–09:25 on the 7th, 05:56–09:26 on the 8th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during pūrvāhṇa. It covers 0 of 210 minutes on the 7th and 209 of 209 on the 8th.",
          "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 25340 s"
        },
        {
          "step": "ruling",
          "text": "Dyūta Pratipad, Mashhad, 1904: Tuesday 8 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "dyuta-pratipad",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)."
          }
        ],
        "kaala": "purvahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-11-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-11-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Dyūta Pratipad 1904 falls on Tuesday 8 November. Pratipadā runs from 19:02 on Mon 7 Nov to 16:28 on Tue 8 Nov and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/yama-dvitiya",
      "festival": "yama-dvitiya",
      "name": "Yama Dvitīyā",
      "everyday": "Bhai Dooj",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-11-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10097,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "1904-11-08T16:28:52+03:26",
          "utc": "1904-11-08T13:02:52Z",
          "ms": -2055841027928.743
        },
        "end": {
          "local": "1904-11-09T14:23:32+03:26",
          "utc": "1904-11-09T10:57:32Z",
          "ms": -2055762147712.1838
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-11-08T16:28:52+03:26",
          "utc": "1904-11-08T13:02:52Z",
          "ms": -2055841027928.743
        },
        "end": {
          "local": "1904-11-09T14:23:32+03:26",
          "utc": "1904-11-09T10:57:32Z",
          "ms": -2055762147712.1838
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-11-08",
          "window": {
            "start": {
              "local": "1904-11-08T10:47:11+03:26",
              "utc": "1904-11-08T07:21:11Z",
              "ms": -2055861528964.1287
            },
            "end": {
              "local": "1904-11-08T11:35:11+03:26",
              "utc": "1904-11-08T08:09:11Z",
              "ms": -2055858648964.1287
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-11-09",
          "window": {
            "start": {
              "local": "1904-11-09T10:47:16+03:26",
              "utc": "1904-11-09T07:21:16Z",
              "ms": -2055775124219.168
            },
            "end": {
              "local": "1904-11-09T11:35:16+03:26",
              "utc": "1904-11-09T08:09:16Z",
              "ms": -2055772244219.168
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 16:28 on Tue 8 Nov to 14:23 on Wed 9 Nov.",
          "fact": "1904-11-08T13:02:52Z → 1904-11-09T10:57:32Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:46–11:34 on the 8th, 10:46–11:34 on the 9th.",
          "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 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 10097 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dvitīyā, Mashhad, 1904: Wednesday 9 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": "1904-11-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-11-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Yama Dvitīyā (Bhai Dooj) 1904 falls on Wednesday 9 November. Dvitīyā runs from 16:28 on Tue 8 Nov to 14:23 on Wed 9 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/naga-chaturthi",
      "festival": "naga-chaturthi",
      "name": "Nāga Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-11-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2230,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-11-10T12:55:39+03:26",
          "utc": "1904-11-10T09:29:39Z",
          "ms": -2055681020503.8174
        },
        "end": {
          "local": "1904-11-11T12:12:38+03:26",
          "utc": "1904-11-11T08:46:38Z",
          "ms": -2055597201842.944
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-11-10T12:55:39+03:26",
          "utc": "1904-11-10T09:29:39Z",
          "ms": -2055681020503.8174
        },
        "end": {
          "local": "1904-11-11T12:12:38+03:26",
          "utc": "1904-11-11T08:46:38Z",
          "ms": -2055597201842.944
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-11-10",
          "window": {
            "start": {
              "local": "1904-11-10T10:47:21+03:26",
              "utc": "1904-11-10T07:21:21Z",
              "ms": -2055688718632.0034
            },
            "end": {
              "local": "1904-11-10T11:35:21+03:26",
              "utc": "1904-11-10T08:09:21Z",
              "ms": -2055685838632.0034
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-11-11",
          "window": {
            "start": {
              "local": "1904-11-11T10:47:28+03:26",
              "utc": "1904-11-11T07:21:28Z",
              "ms": -2055602312204.2012
            },
            "end": {
              "local": "1904-11-11T11:35:28+03:26",
              "utc": "1904-11-11T08:09:28Z",
              "ms": -2055599432204.2012
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 12:55 on Thu 10 Nov to 12:12 on Fri 11 Nov.",
          "fact": "1904-11-10T09:29:39Z → 1904-11-11T08:46:38Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:46–11:34 on the 10th, 10:46–11:34 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. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 2230 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Caturthī, Mashhad, 1904: Friday 11 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": "1904-11-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-11-11",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mashhad, Nāga Caturthī 1904 falls on Friday 11 November. Caturthī runs from 12:55 on Thu 10 Nov to 12:12 on Fri 11 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/vinayaka-chaturthi?on=1904-11-11",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-11-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2230,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-11-10T12:55:39+03:26",
          "utc": "1904-11-10T09:29:39Z",
          "ms": -2055681020503.8174
        },
        "end": {
          "local": "1904-11-11T12:12:38+03:26",
          "utc": "1904-11-11T08:46:38Z",
          "ms": -2055597201842.944
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-11-10T12:55:39+03:26",
          "utc": "1904-11-10T09:29:39Z",
          "ms": -2055681020503.8174
        },
        "end": {
          "local": "1904-11-11T12:12:38+03:26",
          "utc": "1904-11-11T08:46:38Z",
          "ms": -2055597201842.944
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-11-10",
          "window": {
            "start": {
              "local": "1904-11-10T10:47:21+03:26",
              "utc": "1904-11-10T07:21:21Z",
              "ms": -2055688718632.0034
            },
            "end": {
              "local": "1904-11-10T11:35:21+03:26",
              "utc": "1904-11-10T08:09:21Z",
              "ms": -2055685838632.0034
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-11-11",
          "window": {
            "start": {
              "local": "1904-11-11T10:47:28+03:26",
              "utc": "1904-11-11T07:21:28Z",
              "ms": -2055602312204.2012
            },
            "end": {
              "local": "1904-11-11T11:35:28+03:26",
              "utc": "1904-11-11T08:09:28Z",
              "ms": -2055599432204.2012
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 12:55 on Thu 10 Nov to 12:12 on Fri 11 Nov.",
          "fact": "1904-11-10T09:29:39Z → 1904-11-11T08:46:38Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:46–11:34 on the 10th, 10:46–11:34 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 2230 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Mashhad, 1904: Friday 11 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": "1904-11-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-11-11",
          "confidence": "boundary"
        }
      ],
      "quote": "In Mashhad, Vināyaka Caturthī 1904 falls on Friday 11 November. Caturthī runs from 12:55 on Thu 10 Nov to 12:12 on Fri 11 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/vinayaka-chaturthi?on=1904-11-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/surya-shashthi",
      "festival": "surya-shashthi",
      "name": "Sūrya Ṣaṣṭhī",
      "everyday": "Chhath",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-11-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2606,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1904-11-12T12:19:01+03:26",
          "utc": "1904-11-12T08:53:01Z",
          "ms": -2055510418648.536
        },
        "end": {
          "local": "1904-11-13T13:15:15+03:26",
          "utc": "1904-11-13T09:49:15Z",
          "ms": -2055420645058.7244
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-11-12T12:19:01+03:26",
          "utc": "1904-11-12T08:53:01Z",
          "ms": -2055510418648.536
        },
        "end": {
          "local": "1904-11-13T13:15:15+03:26",
          "utc": "1904-11-13T09:49:15Z",
          "ms": -2055420645058.7244
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-11-12",
          "window": {
            "start": {
              "local": "1904-11-12T10:47:35+03:26",
              "utc": "1904-11-12T07:21:35Z",
              "ms": -2055515904937.3408
            },
            "end": {
              "local": "1904-11-12T11:35:35+03:26",
              "utc": "1904-11-12T08:09:35Z",
              "ms": -2055513024937.3408
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-11-13",
          "window": {
            "start": {
              "local": "1904-11-13T10:47:43+03:26",
              "utc": "1904-11-13T07:21:43Z",
              "ms": -2055429496833.04
            },
            "end": {
              "local": "1904-11-13T11:35:43+03:26",
              "utc": "1904-11-13T08:09:43Z",
              "ms": -2055426616833.04
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 12:18 on Sat 12 Nov to 13:14 on Sun 13 Nov.",
          "fact": "1904-11-12T08:53:01Z → 1904-11-13T09:49:15Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:47–11:35 on the 12th, 10:47–11:35 on the 13th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2606 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī, Mashhad, 1904: Sunday 13 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": "1904-11-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-11-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Sūrya Ṣaṣṭhī (Chhath) 1904 falls on Sunday 13 November. Ṣaṣṭhī runs from 12:18 on Sat 12 Nov to 13:14 on Sun 13 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/gopashtami",
      "festival": "gopashtami",
      "name": "Gopāṣṭamī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-11-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12048,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "1904-11-14T14:56:40+03:26",
          "utc": "1904-11-14T11:30:40Z",
          "ms": -2055328159916.215
        },
        "end": {
          "local": "1904-11-15T17:13:24+03:26",
          "utc": "1904-11-15T13:47:24Z",
          "ms": -2055233556009.0205
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-11-14T14:56:40+03:26",
          "utc": "1904-11-14T11:30:40Z",
          "ms": -2055328159916.215
        },
        "end": {
          "local": "1904-11-15T17:13:24+03:26",
          "utc": "1904-11-15T13:47:24Z",
          "ms": -2055233556009.0205
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-11-14",
          "window": {
            "start": {
              "local": "1904-11-14T10:47:52+03:26",
              "utc": "1904-11-14T07:21:52Z",
              "ms": -2055343087893.0693
            },
            "end": {
              "local": "1904-11-14T11:35:52+03:26",
              "utc": "1904-11-14T08:09:52Z",
              "ms": -2055340207893.0693
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-11-15",
          "window": {
            "start": {
              "local": "1904-11-15T10:48:02+03:26",
              "utc": "1904-11-15T07:22:02Z",
              "ms": -2055256678119.4934
            },
            "end": {
              "local": "1904-11-15T11:36:02+03:26",
              "utc": "1904-11-15T08:10:02Z",
              "ms": -2055253798119.4934
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 14:56 on Mon 14 Nov to 17:12 on Tue 15 Nov.",
          "fact": "1904-11-14T11:30:40Z → 1904-11-15T13:47:24Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:47–11:35 on the 14th, 10:47–11:35 on the 15th.",
          "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 14th and 48 of 48 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 12048 s"
        },
        {
          "step": "ruling",
          "text": "Gopāṣṭamī, Mashhad, 1904: Tuesday 15 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": "1904-11-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-11-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Gopāṣṭamī 1904 falls on Tuesday 15 November. Aṣṭamī runs from 14:56 on Mon 14 Nov to 17:12 on Tue 15 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/akshaya-navami",
      "festival": "akshaya-navami",
      "name": "Akṣaya Navamī",
      "everyday": "Amla Navami",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-11-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27835,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "1904-11-15T17:13:24+03:26",
          "utc": "1904-11-15T13:47:24Z",
          "ms": -2055233556009.0205
        },
        "end": {
          "local": "1904-11-16T19:51:23+03:26",
          "utc": "1904-11-16T16:25:23Z",
          "ms": -2055137677476.977
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-11-15T17:13:24+03:26",
          "utc": "1904-11-15T13:47:24Z",
          "ms": -2055233556009.0205
        },
        "end": {
          "local": "1904-11-16T19:51:23+03:26",
          "utc": "1904-11-16T16:25:23Z",
          "ms": -2055137677476.977
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "1904-11-15",
          "window": {
            "start": {
              "local": "1904-11-15T06:04:24+03:26",
              "utc": "1904-11-15T02:38:24Z",
              "ms": -2055273695661.7004
            },
            "end": {
              "local": "1904-11-15T09:29:29+03:26",
              "utc": "1904-11-15T06:03:29Z",
              "ms": -2055261390633.5625
            }
          },
          "covered_min": 0,
          "window_min": 205,
          "qualifies": false
        },
        {
          "local_date": "1904-11-16",
          "window": {
            "start": {
              "local": "1904-11-16T06:05:26+03:26",
              "utc": "1904-11-16T02:39:26Z",
              "ms": -2055187234341.1345
            },
            "end": {
              "local": "1904-11-16T09:29:57+03:26",
              "utc": "1904-11-16T06:03:57Z",
              "ms": -2055174963123.5808
            }
          },
          "covered_min": 205,
          "window_min": 205,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 17:12 on Tue 15 Nov to 19:50 on Wed 16 Nov.",
          "fact": "1904-11-15T13:47:24Z → 1904-11-16T16:25:23Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:03–09:28 on the 15th, 06:04–09:29 on the 16th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during pūrvāhṇa. It covers 0 of 205 minutes on the 15th and 205 of 205 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one forenoon qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 27835 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Navamī, Mashhad, 1904: Wednesday 16 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "akshaya-navami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata."
          }
        ],
        "kaala": "purvahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-11-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-11-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Akṣaya Navamī (Amla Navami) 1904 falls on Wednesday 16 November. Navamī runs from 17:12 on Tue 15 Nov to 19:50 on Wed 16 Nov and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/durga-navami",
      "festival": "durga-navami",
      "name": "Durgā Navamī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-11-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20242,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "1904-11-15T17:13:24+03:26",
          "utc": "1904-11-15T13:47:24Z",
          "ms": -2055233556009.0205
        },
        "end": {
          "local": "1904-11-16T19:51:23+03:26",
          "utc": "1904-11-16T16:25:23Z",
          "ms": -2055137677476.977
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-11-15T17:13:24+03:26",
          "utc": "1904-11-15T13:47:24Z",
          "ms": -2055233556009.0205
        },
        "end": {
          "local": "1904-11-16T19:51:23+03:26",
          "utc": "1904-11-16T16:25:23Z",
          "ms": -2055137677476.977
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-11-15",
          "window": {
            "start": {
              "local": "1904-11-15T10:48:02+03:26",
              "utc": "1904-11-15T07:22:02Z",
              "ms": -2055256678119.4934
            },
            "end": {
              "local": "1904-11-15T11:36:02+03:26",
              "utc": "1904-11-15T08:10:02Z",
              "ms": -2055253798119.4934
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-11-16",
          "window": {
            "start": {
              "local": "1904-11-16T10:48:12+03:26",
              "utc": "1904-11-16T07:22:12Z",
              "ms": -2055170267514.804
            },
            "end": {
              "local": "1904-11-16T11:36:12+03:26",
              "utc": "1904-11-16T08:10:12Z",
              "ms": -2055167387514.804
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 17:12 on Tue 15 Nov to 19:50 on Wed 16 Nov.",
          "fact": "1904-11-15T13:47:24Z → 1904-11-16T16:25:23Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:47–11:35 on the 15th, 10:47–11:35 on the 16th.",
          "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 15th and 48 of 48 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 20242 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Navamī, Mashhad, 1904: Wednesday 16 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": "1904-11-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-11-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Durgā Navamī 1904 falls on Wednesday 16 November. Navamī runs from 17:12 on Tue 15 Nov to 19:50 on Wed 16 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/ekadashi?on=1904-11-18",
      "festival": "ekadashi",
      "name": "Prabodhinī Ekādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-11-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18057,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1904-11-17T22:34:32+03:26",
          "utc": "1904-11-17T19:08:32Z",
          "ms": -2055041488196.7253
        },
        "end": {
          "local": "1904-11-19T01:07:32+03:26",
          "utc": "1904-11-18T21:41:32Z",
          "ms": -2054945908376.3884
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-11-17T22:34:32+03:26",
          "utc": "1904-11-17T19:08:32Z",
          "ms": -2055041488196.7253
        },
        "end": {
          "local": "1904-11-19T01:07:32+03:26",
          "utc": "1904-11-18T21:41:32Z",
          "ms": -2054945908376.3884
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-11-18",
          "window": {
            "start": {
              "local": "1904-11-18T06:07:28+03:26",
              "utc": "1904-11-18T02:41:28Z",
              "ms": -2055014312003.6384
            },
            "end": {
              "local": "1904-11-18T06:07:28+03:26",
              "utc": "1904-11-18T02:41:28Z",
              "ms": -2055014312003.6384
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1904-11-19",
          "window": {
            "start": {
              "local": "1904-11-19T06:08:29+03:26",
              "utc": "1904-11-19T02:42:29Z",
              "ms": -2054927851054.6448
            },
            "end": {
              "local": "1904-11-19T06:08:29+03:26",
              "utc": "1904-11-19T02:42:29Z",
              "ms": -2054927851054.6448
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 22:34 on Thu 17 Nov to 01:07 on Sat 19 Nov.",
          "fact": "1904-11-17T19:08:32Z → 1904-11-18T21:41:32Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:06 on the 18th and 06:07 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 18057 s"
        },
        {
          "step": "ruling",
          "text": "Prabodhinī Ekādaśī, Mashhad, 1904: Friday 18 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": "1904-11-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-11-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Prabodhinī Ekādaśī 1904 falls on Friday 18 November. Ekādaśī runs from 22:34 on Thu 17 Nov to 01:07 on Sat 19 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/ekadashi?on=1904-11-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/pradosha-vrata?on=1904-11-20",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-11-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32998,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-11-20T03:18:06+03:26",
          "utc": "1904-11-19T23:52:06Z",
          "ms": -2054851673753.9294
        },
        "end": {
          "local": "1904-11-21T04:58:22+03:26",
          "utc": "1904-11-21T01:32:22Z",
          "ms": -2054759257780.1882
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-11-20T03:18:06+03:26",
          "utc": "1904-11-19T23:52:06Z",
          "ms": -2054851673753.9294
        },
        "end": {
          "local": "1904-11-21T04:58:22+03:26",
          "utc": "1904-11-21T01:32:22Z",
          "ms": -2054759257780.1882
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-11-19",
          "window": {
            "start": {
              "local": "1904-11-19T16:17:10+03:26",
              "utc": "1904-11-19T12:51:10Z",
              "ms": -2054891330439.6155
            },
            "end": {
              "local": "1904-11-19T18:08:08+03:26",
              "utc": "1904-11-19T14:42:08Z",
              "ms": -2054884671754.1418
            }
          },
          "covered_min": 0,
          "window_min": 111,
          "qualifies": false
        },
        {
          "local_date": "1904-11-20",
          "window": {
            "start": {
              "local": "1904-11-20T16:16:37+03:26",
              "utc": "1904-11-20T12:50:37Z",
              "ms": -2054804963409.5886
            },
            "end": {
              "local": "1904-11-20T18:07:48+03:26",
              "utc": "1904-11-20T14:41:48Z",
              "ms": -2054798292257.7747
            }
          },
          "covered_min": 111,
          "window_min": 111,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 03:17 on Sun 20 Nov to 04:57 on Mon 21 Nov.",
          "fact": "1904-11-19T23:52:06Z → 1904-11-21T01:32:22Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:16–18:07 on the 19th, 16:16–18:07 on the 20th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 111 minutes on the 19th and 111 of 111 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 32998 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Mashhad, 1904: Sunday 20 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-11-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-11-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śukla Pradoṣa Vrata 1904 falls on Sunday 20 November. Trayodaśī runs from 03:17 on Sun 20 Nov to 04:57 on Mon 21 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/pradosha-vrata?on=1904-11-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/kartiki-purnima",
      "festival": "kartiki-purnima",
      "name": "Kārtikī Pūrṇimā",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-11-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15105,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1904-11-22T06:04:55+03:26",
          "utc": "1904-11-22T02:38:55Z",
          "ms": -2054668864713.3591
        },
        "end": {
          "local": "1904-11-23T06:38:05+03:26",
          "utc": "1904-11-23T03:12:05Z",
          "ms": -2054580474929.7832
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-11-22T06:04:55+03:26",
          "utc": "1904-11-22T02:38:55Z",
          "ms": -2054668864713.3591
        },
        "end": {
          "local": "1904-11-23T06:38:05+03:26",
          "utc": "1904-11-23T03:12:05Z",
          "ms": -2054580474929.7832
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-11-22",
          "window": {
            "start": {
              "local": "1904-11-22T10:49:33+03:26",
              "utc": "1904-11-22T07:23:33Z",
              "ms": -2054651786644.0781
            },
            "end": {
              "local": "1904-11-22T11:37:33+03:26",
              "utc": "1904-11-22T08:11:33Z",
              "ms": -2054648906644.0781
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-11-23",
          "window": {
            "start": {
              "local": "1904-11-23T10:49:50+03:26",
              "utc": "1904-11-23T07:23:50Z",
              "ms": -2054565370340.0806
            },
            "end": {
              "local": "1904-11-23T11:37:50+03:26",
              "utc": "1904-11-23T08:11:50Z",
              "ms": -2054562490340.0806
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 06:04 on Tue 22 Nov to 06:37 on Wed 23 Nov.",
          "fact": "1904-11-22T02:38:55Z → 1904-11-23T03:12:05Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:49–11:37 on the 22nd, 10:49–11:37 on the 23rd.",
          "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 22nd and 0 of 48 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 15105 s"
        },
        {
          "step": "ruling",
          "text": "Kārtikī Pūrṇimā, Mashhad, 1904: Tuesday 22 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": "1904-11-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-11-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Kārtikī Pūrṇimā 1904 falls on Tuesday 22 November. Pūrṇimā runs from 06:04 on Tue 22 Nov to 06:37 on Wed 23 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/rasayatra",
      "festival": "rasayatra",
      "name": "Rāsayātrā",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-11-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23227,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1904-11-22T06:04:55+03:26",
          "utc": "1904-11-22T02:38:55Z",
          "ms": -2054668864713.3591
        },
        "end": {
          "local": "1904-11-23T06:38:05+03:26",
          "utc": "1904-11-23T03:12:05Z",
          "ms": -2054580474929.7832
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-11-22T06:04:55+03:26",
          "utc": "1904-11-22T02:38:55Z",
          "ms": -2054668864713.3591
        },
        "end": {
          "local": "1904-11-23T06:38:05+03:26",
          "utc": "1904-11-23T03:12:05Z",
          "ms": -2054580474929.7832
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1904-11-21",
          "window": {
            "start": {
              "local": "1904-11-21T22:49:48+03:26",
              "utc": "1904-11-21T19:23:48Z",
              "ms": -2054694972019.5815
            },
            "end": {
              "local": "1904-11-21T23:37:48+03:26",
              "utc": "1904-11-21T20:11:48Z",
              "ms": -2054692092019.5815
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-11-22",
          "window": {
            "start": {
              "local": "1904-11-22T22:50:03+03:26",
              "utc": "1904-11-22T19:24:03Z",
              "ms": -2054608556663.414
            },
            "end": {
              "local": "1904-11-22T23:38:03+03:26",
              "utc": "1904-11-22T20:12:03Z",
              "ms": -2054605676663.414
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 06:04 on Tue 22 Nov to 06:37 on Wed 23 Nov.",
          "fact": "1904-11-22T02:38:55Z → 1904-11-23T03:12:05Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:49–23:37 on the 21st, 22:49–23:37 on the 22nd.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during niśītha. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 23227 s"
        },
        {
          "step": "ruling",
          "text": "Rāsayātrā, Mashhad, 1904: Tuesday 22 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": "1904-11-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-11-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Rāsayātrā 1904 falls on Tuesday 22 November. Pūrṇimā runs from 06:04 on Tue 22 Nov to 06:37 on Wed 23 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/sankashta-chaturthi?on=1904-11-26",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-11-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32550,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-11-26T05:31:48+03:26",
          "utc": "1904-11-26T02:05:48Z",
          "ms": -2054325252379.5166
        },
        "end": {
          "local": "1904-11-27T04:28:45+03:26",
          "utc": "1904-11-27T01:02:45Z",
          "ms": -2054242635134.6033
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-11-26T05:31:48+03:26",
          "utc": "1904-11-26T02:05:48Z",
          "ms": -2054325252379.5166
        },
        "end": {
          "local": "1904-11-27T04:28:45+03:26",
          "utc": "1904-11-27T01:02:45Z",
          "ms": -2054242635134.6033
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1904-11-25",
          "window": {
            "start": {
              "local": "1904-11-25T18:29:37+03:26",
              "utc": "1904-11-25T15:03:37Z",
              "ms": -2054364983264.9192
            },
            "end": {
              "local": "1904-11-25T18:29:37+03:26",
              "utc": "1904-11-25T15:03:37Z",
              "ms": -2054364983264.9192
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1904-11-26",
          "window": {
            "start": {
              "local": "1904-11-26T19:26:14+03:26",
              "utc": "1904-11-26T16:00:14Z",
              "ms": -2054275185600.718
            },
            "end": {
              "local": "1904-11-26T19:26:14+03:26",
              "utc": "1904-11-26T16:00:14Z",
              "ms": -2054275185600.718
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 05:31 on Sat 26 Nov to 04:28 on Sun 27 Nov.",
          "fact": "1904-11-26T02:05:48Z → 1904-11-27T01:02:45Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 18:29 on the 25th and 19:25 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 32550 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mashhad, 1904: Saturday 26 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": "1904-11-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-11-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1904 falls on Saturday 26 November. Caturthī runs from 05:31 on Sat 26 Nov to 04:28 on Sun 27 Nov and is current at moonrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/sankashta-chaturthi?on=1904-11-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/ekadashi?on=1904-12-03",
      "festival": "ekadashi",
      "name": "Utpannā Ekādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-12-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33146,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1904-12-02T17:51:59+03:26",
          "utc": "1904-12-02T14:25:59Z",
          "ms": -2053762441407.1772
        },
        "end": {
          "local": "1904-12-03T15:34:31+03:26",
          "utc": "1904-12-03T12:08:31Z",
          "ms": -2053684289238.5168
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-12-02T17:51:59+03:26",
          "utc": "1904-12-02T14:25:59Z",
          "ms": -2053762441407.1772
        },
        "end": {
          "local": "1904-12-03T15:34:31+03:26",
          "utc": "1904-12-03T12:08:31Z",
          "ms": -2053684289238.5168
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-12-02",
          "window": {
            "start": {
              "local": "1904-12-02T06:21:10+03:26",
              "utc": "1904-12-02T02:55:10Z",
              "ms": -2053803890046.806
            },
            "end": {
              "local": "1904-12-02T06:21:10+03:26",
              "utc": "1904-12-02T02:55:10Z",
              "ms": -2053803890046.806
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "1904-12-03",
          "window": {
            "start": {
              "local": "1904-12-03T06:22:05+03:26",
              "utc": "1904-12-03T02:56:05Z",
              "ms": -2053717435371.91
            },
            "end": {
              "local": "1904-12-03T06:22:05+03:26",
              "utc": "1904-12-03T02:56:05Z",
              "ms": -2053717435371.91
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 17:51 on Fri 2 Dec to 15:34 on Sat 3 Dec.",
          "fact": "1904-12-02T14:25:59Z → 1904-12-03T12:08:31Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:20 on the 2nd and 06:21 on the 3rd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 2nd and is on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 33146 s"
        },
        {
          "step": "ruling",
          "text": "Utpannā Ekādaśī, Mashhad, 1904: Saturday 3 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": "1904-12-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-12-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Utpannā Ekādaśī 1904 falls on Saturday 3 December. Ekādaśī runs from 17:51 on Fri 2 Dec to 15:34 on Sat 3 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/ekadashi?on=1904-12-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/pradosha-vrata?on=1904-12-04",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-12-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10616,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-12-04T13:15:23+03:26",
          "utc": "1904-12-04T09:49:23Z",
          "ms": -2053606237439.496
        },
        "end": {
          "local": "1904-12-05T11:00:23+03:26",
          "utc": "1904-12-05T07:34:23Z",
          "ms": -2053527937228.8806
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-12-04T13:15:23+03:26",
          "utc": "1904-12-04T09:49:23Z",
          "ms": -2053606237439.496
        },
        "end": {
          "local": "1904-12-05T11:00:23+03:26",
          "utc": "1904-12-05T07:34:23Z",
          "ms": -2053527937228.8806
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-12-04",
          "window": {
            "start": {
              "local": "1904-12-04T16:12:18+03:26",
              "utc": "1904-12-04T12:46:18Z",
              "ms": -2053595621532.871
            },
            "end": {
              "local": "1904-12-04T18:05:51+03:26",
              "utc": "1904-12-04T14:39:51Z",
              "ms": -2053588809120.623
            }
          },
          "covered_min": 114,
          "window_min": 114,
          "qualifies": true
        },
        {
          "local_date": "1904-12-05",
          "window": {
            "start": {
              "local": "1904-12-05T16:12:15+03:26",
              "utc": "1904-12-05T12:46:15Z",
              "ms": -2053509224854.5625
            },
            "end": {
              "local": "1904-12-05T18:05:55+03:26",
              "utc": "1904-12-05T14:39:55Z",
              "ms": -2053502405046.3472
            }
          },
          "covered_min": 0,
          "window_min": 114,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 13:14 on Sun 4 Dec to 10:59 on Mon 5 Dec.",
          "fact": "1904-12-04T09:49:23Z → 1904-12-05T07:34:23Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:11–18:05 on the 4th, 16:11–18:05 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 114 of 114 minutes on the 4th and 0 of 114 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 10616 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Mashhad, 1904: Sunday 4 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": "1904-12-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-12-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Kṛṣṇa Pradoṣa Vrata 1904 falls on Sunday 4 December. Trayodaśī runs from 13:14 on Sun 4 Dec to 10:59 on Mon 5 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/pradosha-vrata?on=1904-12-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/shivaratri?on=1904-12-05",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-12-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33251,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "1904-12-05T11:00:23+03:26",
          "utc": "1904-12-05T07:34:23Z",
          "ms": -2053527937228.8806
        },
        "end": {
          "local": "1904-12-06T08:56:41+03:26",
          "utc": "1904-12-06T05:30:41Z",
          "ms": -2053448959115.1304
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-12-05T11:00:23+03:26",
          "utc": "1904-12-05T07:34:23Z",
          "ms": -2053527937228.8806
        },
        "end": {
          "local": "1904-12-06T08:56:41+03:26",
          "utc": "1904-12-06T05:30:41Z",
          "ms": -2053448959115.1304
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "1904-12-04",
          "window": {
            "start": {
              "local": "1904-12-04T22:54:05+03:26",
              "utc": "1904-12-04T19:28:05Z",
              "ms": -2053571514986.9404
            },
            "end": {
              "local": "1904-12-04T23:42:05+03:26",
              "utc": "1904-12-04T20:16:05Z",
              "ms": -2053568634986.9404
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-12-05",
          "window": {
            "start": {
              "local": "1904-12-05T22:54:29+03:26",
              "utc": "1904-12-05T19:28:29Z",
              "ms": -2053485090573.7546
            },
            "end": {
              "local": "1904-12-05T23:42:29+03:26",
              "utc": "1904-12-05T20:16:29Z",
              "ms": -2053482210573.7546
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 10:59 on Mon 5 Dec to 08:56 on Tue 6 Dec.",
          "fact": "1904-12-05T07:34:23Z → 1904-12-06T05:30:41Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:53–23:41 on the 4th, 22:53–23:41 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 33251 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Mashhad, 1904: Monday 5 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-12-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-12-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śivarātri 1904 falls on Monday 5 December. Caturdaśī runs from 10:59 on Mon 5 Dec to 08:56 on Tue 6 Dec and covers all of niśītha that night.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/shivaratri?on=1904-12-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/vinayaka-chaturthi?on=1904-12-10",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-12-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17722,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-12-10T05:15:37+03:26",
          "utc": "1904-12-10T01:49:37Z",
          "ms": -2053116622529.8884
        },
        "end": {
          "local": "1904-12-11T06:01:21+03:26",
          "utc": "1904-12-11T02:35:21Z",
          "ms": -2053027478707.9531
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-12-10T05:15:37+03:26",
          "utc": "1904-12-10T01:49:37Z",
          "ms": -2053116622529.8884
        },
        "end": {
          "local": "1904-12-11T06:01:21+03:26",
          "utc": "1904-12-11T02:35:21Z",
          "ms": -2053027478707.9531
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-12-10",
          "window": {
            "start": {
              "local": "1904-12-10T10:56:16+03:26",
              "utc": "1904-12-10T07:30:16Z",
              "ms": -2053096184402.8015
            },
            "end": {
              "local": "1904-12-10T11:44:16+03:26",
              "utc": "1904-12-10T08:18:16Z",
              "ms": -2053093304402.8015
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-12-11",
          "window": {
            "start": {
              "local": "1904-12-11T10:56:43+03:26",
              "utc": "1904-12-11T07:30:43Z",
              "ms": -2053009756591.967
            },
            "end": {
              "local": "1904-12-11T11:44:43+03:26",
              "utc": "1904-12-11T08:18:43Z",
              "ms": -2053006876591.967
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 05:15 on Sat 10 Dec to 06:00 on Sun 11 Dec.",
          "fact": "1904-12-10T01:49:37Z → 1904-12-11T02:35:21Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:55–11:43 on the 10th, 10:56–11:44 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 0 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 17722 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Mashhad, 1904: Saturday 10 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": "1904-12-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-12-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Vināyaka Caturthī 1904 falls on Saturday 10 December. Caturthī runs from 05:15 on Sat 10 Dec to 06:00 on Sun 11 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/vinayaka-chaturthi?on=1904-12-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/naga-panchami-margashirsha",
      "festival": "naga-panchami-margashirsha",
      "name": "Nāga Pañcamī (Mārgaśīrṣa)",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-12-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12374,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "1904-12-11T06:01:21+03:26",
          "utc": "1904-12-11T02:35:21Z",
          "ms": -2053027478707.9531
        },
        "end": {
          "local": "1904-12-12T07:30:57+03:26",
          "utc": "1904-12-12T04:04:57Z",
          "ms": -2052935702813.279
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-12-11T06:01:21+03:26",
          "utc": "1904-12-11T02:35:21Z",
          "ms": -2053027478707.9531
        },
        "end": {
          "local": "1904-12-12T07:30:57+03:26",
          "utc": "1904-12-12T04:04:57Z",
          "ms": -2052935702813.279
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-12-11",
          "window": {
            "start": {
              "local": "1904-12-11T10:56:43+03:26",
              "utc": "1904-12-11T07:30:43Z",
              "ms": -2053009756591.967
            },
            "end": {
              "local": "1904-12-11T11:44:43+03:26",
              "utc": "1904-12-11T08:18:43Z",
              "ms": -2053006876591.967
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-12-12",
          "window": {
            "start": {
              "local": "1904-12-12T10:57:12+03:26",
              "utc": "1904-12-12T07:31:12Z",
              "ms": -2052923328403.5132
            },
            "end": {
              "local": "1904-12-12T11:45:12+03:26",
              "utc": "1904-12-12T08:19:12Z",
              "ms": -2052920448403.5132
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 06:00 on Sun 11 Dec to 07:30 on Mon 12 Dec.",
          "fact": "1904-12-11T02:35:21Z → 1904-12-12T04:04:57Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:56–11:44 on the 11th, 10:56–11:44 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 48 of 48 minutes on the 11th and 0 of 48 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 12374 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī (Mārgaśīrṣa), Mashhad, 1904: Sunday 11 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": "1904-12-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-12-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Nāga Pañcamī (Mārgaśīrṣa) 1904 falls on Sunday 11 December. Pañcamī runs from 06:00 on Sun 11 Dec to 07:30 on Mon 12 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/champa-shashthi",
      "festival": "champa-shashthi",
      "name": "Campā Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-12-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4773,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1904-12-12T07:30:57+03:26",
          "utc": "1904-12-12T04:04:57Z",
          "ms": -2052935702813.279
        },
        "end": {
          "local": "1904-12-13T09:38:07+03:26",
          "utc": "1904-12-13T06:12:07Z",
          "ms": -2052841673342.6865
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-12-12T07:30:57+03:26",
          "utc": "1904-12-12T04:04:57Z",
          "ms": -2052935702813.279
        },
        "end": {
          "local": "1904-12-13T09:38:07+03:26",
          "utc": "1904-12-13T06:12:07Z",
          "ms": -2052841673342.6865
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-12-12",
          "window": {
            "start": {
              "local": "1904-12-12T10:57:12+03:26",
              "utc": "1904-12-12T07:31:12Z",
              "ms": -2052923328403.5132
            },
            "end": {
              "local": "1904-12-12T11:45:12+03:26",
              "utc": "1904-12-12T08:19:12Z",
              "ms": -2052920448403.5132
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-12-13",
          "window": {
            "start": {
              "local": "1904-12-13T10:57:40+03:26",
              "utc": "1904-12-13T07:31:40Z",
              "ms": -2052836899870.0474
            },
            "end": {
              "local": "1904-12-13T11:45:40+03:26",
              "utc": "1904-12-13T08:19:40Z",
              "ms": -2052834019870.0474
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 07:30 on Mon 12 Dec to 09:37 on Tue 13 Dec.",
          "fact": "1904-12-12T04:04:57Z → 1904-12-13T06:12:07Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:56–11:44 on the 12th, 10:57–11:45 on the 13th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 4773 s"
        },
        {
          "step": "ruling",
          "text": "Campā Ṣaṣṭhī, Mashhad, 1904: Monday 12 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": "1904-12-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-12-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Campā Ṣaṣṭhī 1904 falls on Monday 12 December. Ṣaṣṭhī runs from 07:30 on Mon 12 Dec to 09:37 on Tue 13 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/skanda-shashthi",
      "festival": "skanda-shashthi",
      "name": "Skanda Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-12-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4773,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "1904-12-12T07:30:57+03:26",
          "utc": "1904-12-12T04:04:57Z",
          "ms": -2052935702813.279
        },
        "end": {
          "local": "1904-12-13T09:38:07+03:26",
          "utc": "1904-12-13T06:12:07Z",
          "ms": -2052841673342.6865
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-12-12T07:30:57+03:26",
          "utc": "1904-12-12T04:04:57Z",
          "ms": -2052935702813.279
        },
        "end": {
          "local": "1904-12-13T09:38:07+03:26",
          "utc": "1904-12-13T06:12:07Z",
          "ms": -2052841673342.6865
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-12-12",
          "window": {
            "start": {
              "local": "1904-12-12T10:57:12+03:26",
              "utc": "1904-12-12T07:31:12Z",
              "ms": -2052923328403.5132
            },
            "end": {
              "local": "1904-12-12T11:45:12+03:26",
              "utc": "1904-12-12T08:19:12Z",
              "ms": -2052920448403.5132
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-12-13",
          "window": {
            "start": {
              "local": "1904-12-13T10:57:40+03:26",
              "utc": "1904-12-13T07:31:40Z",
              "ms": -2052836899870.0474
            },
            "end": {
              "local": "1904-12-13T11:45:40+03:26",
              "utc": "1904-12-13T08:19:40Z",
              "ms": -2052834019870.0474
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 07:30 on Mon 12 Dec to 09:37 on Tue 13 Dec.",
          "fact": "1904-12-12T04:04:57Z → 1904-12-13T06:12:07Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:56–11:44 on the 12th, 10:57–11:45 on the 13th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 4773 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī, Mashhad, 1904: Monday 12 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": "1904-12-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-12-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Skanda Ṣaṣṭhī 1904 falls on Monday 12 December. Ṣaṣṭhī runs from 07:30 on Mon 12 Dec to 09:37 on Tue 13 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/mitra-saptami",
      "festival": "mitra-saptami",
      "name": "Mitra Saptamī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-12-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1506,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "1904-12-13T09:38:07+03:26",
          "utc": "1904-12-13T06:12:07Z",
          "ms": -2052841673342.6865
        },
        "end": {
          "local": "1904-12-14T12:11:15+03:26",
          "utc": "1904-12-14T08:45:15Z",
          "ms": -2052746084761.6057
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-12-13T09:38:07+03:26",
          "utc": "1904-12-13T06:12:07Z",
          "ms": -2052841673342.6865
        },
        "end": {
          "local": "1904-12-14T12:11:15+03:26",
          "utc": "1904-12-14T08:45:15Z",
          "ms": -2052746084761.6057
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-12-13",
          "window": {
            "start": {
              "local": "1904-12-13T10:57:40+03:26",
              "utc": "1904-12-13T07:31:40Z",
              "ms": -2052836899870.0474
            },
            "end": {
              "local": "1904-12-13T11:45:40+03:26",
              "utc": "1904-12-13T08:19:40Z",
              "ms": -2052834019870.0474
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "1904-12-14",
          "window": {
            "start": {
              "local": "1904-12-14T10:58:09+03:26",
              "utc": "1904-12-14T07:32:09Z",
              "ms": -2052750471024.1821
            },
            "end": {
              "local": "1904-12-14T11:46:09+03:26",
              "utc": "1904-12-14T08:20:09Z",
              "ms": -2052747591024.1821
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "purvaviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 09:37 on Tue 13 Dec to 12:10 on Wed 14 Dec.",
          "fact": "1904-12-13T06:12:07Z → 1904-12-14T08:45:15Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:57–11:45 on the 13th, 10:57–11:45 on the 14th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 48 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify. Pūrvaviddhā: the first is taken.",
          "fact": "priority: purvaviddha → purvaviddha · margin 1506 s"
        },
        {
          "step": "ruling",
          "text": "Mitra Saptamī, Mashhad, 1904: Tuesday 13 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": "1904-12-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-12-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Mitra Saptamī 1904 falls on Tuesday 13 December. Saptamī runs from 09:37 on Tue 13 Dec to 12:10 on Wed 14 Dec 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/mashhad/festivals/1904/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": "/mashhad/festivals/1904/ekadashi?on=1904-12-18",
      "festival": "ekadashi",
      "name": "Mokṣadā Ekādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-12-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32848,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "1904-12-17T19:46:15+03:26",
          "utc": "1904-12-17T16:20:15Z",
          "ms": -2052459584544.6177
        },
        "end": {
          "local": "1904-12-18T21:26:48+03:26",
          "utc": "1904-12-18T18:00:48Z",
          "ms": -2052367152212.3992
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-12-17T19:46:15+03:26",
          "utc": "1904-12-17T16:20:15Z",
          "ms": -2052459584544.6177
        },
        "end": {
          "local": "1904-12-18T21:26:48+03:26",
          "utc": "1904-12-18T18:00:48Z",
          "ms": -2052367152212.3992
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "1904-12-18",
          "window": {
            "start": {
              "local": "1904-12-18T06:33:40+03:26",
              "utc": "1904-12-18T03:07:40Z",
              "ms": -2052420740004.46
            },
            "end": {
              "local": "1904-12-18T06:33:40+03:26",
              "utc": "1904-12-18T03:07:40Z",
              "ms": -2052420740004.46
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1904-12-19",
          "window": {
            "start": {
              "local": "1904-12-19T06:34:16+03:26",
              "utc": "1904-12-19T03:08:16Z",
              "ms": -2052334304264.9531
            },
            "end": {
              "local": "1904-12-19T06:34:16+03:26",
              "utc": "1904-12-19T03:08:16Z",
              "ms": -2052334304264.9531
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 19:45 on Sat 17 Dec to 21:26 on Sun 18 Dec.",
          "fact": "1904-12-17T16:20:15Z → 1904-12-18T18:00:48Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:33 on the 18th and 06:33 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 32848 s"
        },
        {
          "step": "ruling",
          "text": "Mokṣadā Ekādaśī, Mashhad, 1904: Sunday 18 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": "1904-12-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-12-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Mokṣadā Ekādaśī 1904 falls on Sunday 18 December. Ekādaśī runs from 19:45 on Sat 17 Dec to 21:26 on Sun 18 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/ekadashi?on=1904-12-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/akhanda-dvadashi",
      "festival": "akhanda-dvadashi",
      "name": "Akhaṇḍa Dvādaśī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-12-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34721,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "1904-12-18T21:26:48+03:26",
          "utc": "1904-12-18T18:00:48Z",
          "ms": -2052367152212.3992
        },
        "end": {
          "local": "1904-12-19T22:26:43+03:26",
          "utc": "1904-12-19T19:00:43Z",
          "ms": -2052277156786.4204
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-12-18T21:26:48+03:26",
          "utc": "1904-12-18T18:00:48Z",
          "ms": -2052367152212.3992
        },
        "end": {
          "local": "1904-12-19T22:26:43+03:26",
          "utc": "1904-12-19T19:00:43Z",
          "ms": -2052277156786.4204
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "1904-12-18",
          "window": {
            "start": {
              "local": "1904-12-18T11:00:07+03:26",
              "utc": "1904-12-18T07:34:07Z",
              "ms": -2052404753168.1
            },
            "end": {
              "local": "1904-12-18T11:48:07+03:26",
              "utc": "1904-12-18T08:22:07Z",
              "ms": -2052401873168.1
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "1904-12-19",
          "window": {
            "start": {
              "local": "1904-12-19T11:00:37+03:26",
              "utc": "1904-12-19T07:34:37Z",
              "ms": -2052318323247.9448
            },
            "end": {
              "local": "1904-12-19T11:48:37+03:26",
              "utc": "1904-12-19T08:22:37Z",
              "ms": -2052315443247.9448
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 21:26 on Sun 18 Dec to 22:26 on Mon 19 Dec.",
          "fact": "1904-12-18T18:00:48Z → 1904-12-19T19:00:43Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 18th, 11:00–11:48 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. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 34721 s"
        },
        {
          "step": "ruling",
          "text": "Akhaṇḍa Dvādaśī, Mashhad, 1904: Monday 19 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": "1904-12-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-12-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Akhaṇḍa Dvādaśī 1904 falls on Monday 19 December. Dvādaśī runs from 21:26 on Sun 18 Dec to 22:26 on Mon 19 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/pradosha-vrata?on=1904-12-20",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-12-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15426,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "1904-12-19T22:26:43+03:26",
          "utc": "1904-12-19T19:00:43Z",
          "ms": -2052277156786.4204
        },
        "end": {
          "local": "1904-12-20T22:44:31+03:26",
          "utc": "1904-12-20T19:18:31Z",
          "ms": -2052189689141.7903
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-12-19T22:26:43+03:26",
          "utc": "1904-12-19T19:00:43Z",
          "ms": -2052277156786.4204
        },
        "end": {
          "local": "1904-12-20T22:44:31+03:26",
          "utc": "1904-12-20T19:18:31Z",
          "ms": -2052189689141.7903
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-12-19",
          "window": {
            "start": {
              "local": "1904-12-19T16:14:58+03:26",
              "utc": "1904-12-19T12:48:58Z",
              "ms": -2052299462230.9363
            },
            "end": {
              "local": "1904-12-19T18:09:37+03:26",
              "utc": "1904-12-19T14:43:37Z",
              "ms": -2052292583280.6008
            }
          },
          "covered_min": 0,
          "window_min": 115,
          "qualifies": false
        },
        {
          "local_date": "1904-12-20",
          "window": {
            "start": {
              "local": "1904-12-20T16:15:24+03:26",
              "utc": "1904-12-20T12:49:24Z",
              "ms": -2052213036315.2585
            },
            "end": {
              "local": "1904-12-20T18:10:04+03:26",
              "utc": "1904-12-20T14:44:04Z",
              "ms": -2052206156480.6306
            }
          },
          "covered_min": 115,
          "window_min": 115,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 22:26 on Mon 19 Dec to 22:44 on Tue 20 Dec.",
          "fact": "1904-12-19T19:00:43Z → 1904-12-20T19:18:31Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:14–18:09 on the 19th, 16:14–18:09 on the 20th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 115 minutes on the 19th and 115 of 115 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 15426 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Mashhad, 1904: Tuesday 20 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": "1904-12-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-12-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Śukla Pradoṣa Vrata 1904 falls on Tuesday 20 December. Trayodaśī runs from 22:26 on Mon 19 Dec to 22:44 on Tue 20 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/pradosha-vrata?on=1904-12-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/mashhad/festivals/1904/dattatreyotpatti",
      "festival": "dattatreyotpatti",
      "name": "Dattātreyotpatti",
      "everyday": "Datta Jayanti",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-12-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11753,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "1904-12-21T22:22:47+03:26",
          "utc": "1904-12-21T18:56:47Z",
          "ms": -2052104593313.703
        },
        "end": {
          "local": "1904-12-22T21:26:54+03:26",
          "utc": "1904-12-22T18:00:54Z",
          "ms": -2052021545544.711
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-12-21T22:22:47+03:26",
          "utc": "1904-12-21T18:56:47Z",
          "ms": -2052104593313.703
        },
        "end": {
          "local": "1904-12-22T21:26:54+03:26",
          "utc": "1904-12-22T18:00:54Z",
          "ms": -2052021545544.711
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "1904-12-21",
          "window": {
            "start": {
              "local": "1904-12-21T16:15:51+03:26",
              "utc": "1904-12-21T12:49:51Z",
              "ms": -2052126608611.6523
            },
            "end": {
              "local": "1904-12-21T18:10:32+03:26",
              "utc": "1904-12-21T14:44:32Z",
              "ms": -2052119728350.7432
            }
          },
          "covered_min": 0,
          "window_min": 115,
          "qualifies": false
        },
        {
          "local_date": "1904-12-22",
          "window": {
            "start": {
              "local": "1904-12-22T16:16:21+03:26",
              "utc": "1904-12-22T12:50:21Z",
              "ms": -2052040179148.2712
            },
            "end": {
              "local": "1904-12-22T18:11:01+03:26",
              "utc": "1904-12-22T14:45:01Z",
              "ms": -2052033298919.5225
            }
          },
          "covered_min": 115,
          "window_min": 115,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 22:22 on Wed 21 Dec to 21:26 on Thu 22 Dec.",
          "fact": "1904-12-21T18:56:47Z → 1904-12-22T18:00:54Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:15–18:10 on the 21st, 16:15–18:10 on the 22nd.",
          "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 115 minutes on the 21st and 115 of 115 on the 22nd.",
          "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 11753 s"
        },
        {
          "step": "ruling",
          "text": "Dattātreyotpatti, Mashhad, 1904: Thursday 22 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "dattatreyotpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Dattatreyotpatti (pradosa)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "1904-12-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-12-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Dattātreyotpatti (Datta Jayanti) 1904 falls on Thursday 22 December. Pūrṇimā runs from 22:22 on Wed 21 Dec to 21:26 on Thu 22 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/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": "/mashhad/festivals/1904/sankashta-chaturthi?on=1904-12-25",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "124665",
      "year": 1904,
      "local_date": "1904-12-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10572,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "1904-12-25T16:24:46+03:26",
          "utc": "1904-12-25T12:58:46Z",
          "ms": -2051780474053.3267
        },
        "end": {
          "local": "1904-12-26T14:21:44+03:26",
          "utc": "1904-12-26T10:55:44Z",
          "ms": -2051701456366.1243
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "1904-12-25T16:24:46+03:26",
          "utc": "1904-12-25T12:58:46Z",
          "ms": -2051780474053.3267
        },
        "end": {
          "local": "1904-12-26T14:21:44+03:26",
          "utc": "1904-12-26T10:55:44Z",
          "ms": -2051701456366.1243
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "1904-12-25",
          "window": {
            "start": {
              "local": "1904-12-25T19:20:58+03:26",
              "utc": "1904-12-25T15:54:58Z",
              "ms": -2051769902373.528
            },
            "end": {
              "local": "1904-12-25T19:20:58+03:26",
              "utc": "1904-12-25T15:54:58Z",
              "ms": -2051769902373.528
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "1904-12-26",
          "window": {
            "start": {
              "local": "1904-12-26T20:26:49+03:26",
              "utc": "1904-12-26T17:00:49Z",
              "ms": -2051679551034.9456
            },
            "end": {
              "local": "1904-12-26T20:26:49+03:26",
              "utc": "1904-12-26T17:00:49Z",
              "ms": -2051679551034.9456
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 16:24 on Sun 25 Dec to 14:21 on Mon 26 Dec.",
          "fact": "1904-12-25T12:58:46Z → 1904-12-26T10:55:44Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:20 on the 25th and 20:26 on the 26th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 25th and is not 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 10572 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Mashhad, 1904: Sunday 25 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": "1904-12-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "1904-12-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Mashhad, Saṅkaṣṭa Caturthī 1904 falls on Sunday 25 December. Caturthī runs from 16:24 on Sun 25 Dec to 14:21 on Mon 26 Dec and is current at moonrise that day.",
      "cite": "https://ahargana.org/mashhad/festivals/1904/sankashta-chaturthi?on=1904-12-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    }
  ],
  "engine": {
    "version": "0.1.0",
    "ruleset": "2026.3-draft",
    "kernel": "de440-1900-2100",
    "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
    "tzdata": "2026f"
  }
}