{
  "id": "/moscow/festivals/2006",
  "place": {
    "id": "524901",
    "slug": "moscow",
    "name": "Moscow",
    "region": "Russia",
    "country": "RU",
    "lat": 55.75204,
    "lon": 37.61781,
    "elevation_m": 155,
    "tz": "Europe/Moscow"
  },
  "year": 2006,
  "tradition": "smarta",
  "method": "pac-rp@2026.1",
  "ruleset": "2026.3-draft",
  "rulings": [
    {
      "id": "/moscow/festivals/2006/vinayaka-chaturthi?on=2006-01-03",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-01-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16258,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-01-02T20:31:42+03:00",
          "utc": "2006-01-02T17:31:42Z",
          "ms": 1136223102072.0908
        },
        "end": {
          "local": "2006-01-03T17:29:03+03:00",
          "utc": "2006-01-03T14:29:03Z",
          "ms": 1136298543146.1506
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-01-02T20:31:42+03:00",
          "utc": "2006-01-02T17:31:42Z",
          "ms": 1136223102072.0908
        },
        "end": {
          "local": "2006-01-03T17:29:03+03:00",
          "utc": "2006-01-03T14:29:03Z",
          "ms": 1136298543146.1506
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-01-02",
          "window": {
            "start": {
              "local": "2006-01-02T12:09:37+03:00",
              "utc": "2006-01-02T09:09:37Z",
              "ms": 1136192976852.7744
            },
            "end": {
              "local": "2006-01-02T12:57:37+03:00",
              "utc": "2006-01-02T09:57:37Z",
              "ms": 1136195856852.7744
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-01-03",
          "window": {
            "start": {
              "local": "2006-01-03T12:10:05+03:00",
              "utc": "2006-01-03T09:10:05Z",
              "ms": 1136279405315.5723
            },
            "end": {
              "local": "2006-01-03T12:58:05+03:00",
              "utc": "2006-01-03T09:58:05Z",
              "ms": 1136282285315.5723
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 20:32 on Mon 2 Jan to 17:29 on Tue 3 Jan.",
          "fact": "2006-01-02T17:31:42Z → 2006-01-03T14:29:03Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:10–12:58 on the 2nd, 12:10–12:58 on the 3rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 16258 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Moscow, 2006: Tuesday 3 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-01-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-01-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Vināyaka Caturthī 2006 falls on Tuesday 3 January. Caturthī runs from 20:32 on Mon 2 Jan to 17:29 on Tue 3 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/vinayaka-chaturthi?on=2006-01-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/ekadashi?on=2006-01-09",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-01-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1947,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-01-09T08:14:50+03:00",
          "utc": "2006-01-09T05:14:50Z",
          "ms": 1136783689735.478
        },
        "end": {
          "local": "2006-01-10T08:22:31+03:00",
          "utc": "2006-01-10T05:22:31Z",
          "ms": 1136870551226.9783
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-01-09T08:14:50+03:00",
          "utc": "2006-01-09T05:14:50Z",
          "ms": 1136783689735.478
        },
        "end": {
          "local": "2006-01-10T08:22:31+03:00",
          "utc": "2006-01-10T05:22:31Z",
          "ms": 1136870551226.9783
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-01-09",
          "window": {
            "start": {
              "local": "2006-01-09T08:55:46+03:00",
              "utc": "2006-01-09T05:55:46Z",
              "ms": 1136786145701.1248
            },
            "end": {
              "local": "2006-01-09T08:55:46+03:00",
              "utc": "2006-01-09T05:55:46Z",
              "ms": 1136786145701.1248
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2006-01-10",
          "window": {
            "start": {
              "local": "2006-01-10T08:54:59+03:00",
              "utc": "2006-01-10T05:54:59Z",
              "ms": 1136872498503.6042
            },
            "end": {
              "local": "2006-01-10T08:54:59+03:00",
              "utc": "2006-01-10T05:54:59Z",
              "ms": 1136872498503.6042
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 08:15 on Mon 9 Jan to 08:23 on Tue 10 Jan.",
          "fact": "2006-01-09T05:14:50Z → 2006-01-10T05:22:31Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 08:56 on the 9th and 08:55 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 1947 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Moscow, 2006: Monday 9 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": "2006-01-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-01-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Putradā Ekādaśī 2006 falls on Monday 9 January. Ekādaśī runs from 08:15 on Mon 9 Jan to 08:23 on Tue 10 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-01-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/pradosha-vrata?on=2006-01-11",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-01-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23559,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-01-11T08:54:45+03:00",
          "utc": "2006-01-11T05:54:45Z",
          "ms": 1136958884741.855
        },
        "end": {
          "local": "2006-01-12T09:50:07+03:00",
          "utc": "2006-01-12T06:50:07Z",
          "ms": 1137048607260.7761
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-01-11T08:54:45+03:00",
          "utc": "2006-01-11T05:54:45Z",
          "ms": 1136958884741.855
        },
        "end": {
          "local": "2006-01-12T09:50:07+03:00",
          "utc": "2006-01-12T06:50:07Z",
          "ms": 1137048607260.7761
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-01-11",
          "window": {
            "start": {
              "local": "2006-01-11T16:21:04+03:00",
              "utc": "2006-01-11T13:21:04Z",
              "ms": 1136985664483.4302
            },
            "end": {
              "local": "2006-01-11T18:33:22+03:00",
              "utc": "2006-01-11T15:33:22Z",
              "ms": 1136993601639.4683
            }
          },
          "covered_min": 132,
          "window_min": 132,
          "qualifies": true
        },
        {
          "local_date": "2006-01-12",
          "window": {
            "start": {
              "local": "2006-01-12T16:22:47+03:00",
              "utc": "2006-01-12T13:22:47Z",
              "ms": 1137072166644.3613
            },
            "end": {
              "local": "2006-01-12T18:34:42+03:00",
              "utc": "2006-01-12T15:34:42Z",
              "ms": 1137080082444.074
            }
          },
          "covered_min": 0,
          "window_min": 132,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 08:55 on Wed 11 Jan to 09:50 on Thu 12 Jan.",
          "fact": "2006-01-11T05:54:45Z → 2006-01-12T06:50:07Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:21–18:33 on the 11th, 16:23–18:35 on the 12th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 132 of 132 minutes on the 11th and 0 of 132 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 23559 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Moscow, 2006: Wednesday 11 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": "2006-01-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-01-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Śukla Pradoṣa Vrata 2006 falls on Wednesday 11 January. Trayodaśī runs from 08:55 on Wed 11 Jan to 09:50 on Thu 12 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/pradosha-vrata?on=2006-01-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/bhogi",
      "festival": "bhogi",
      "name": "Bhogi",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-01-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25326,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2006-01-14T09:24:12+03:00",
          "utc": "2006-01-14T06:24:12Z",
          "ms": 1137219851586.5908
        },
        "end": {
          "local": "2006-02-12T22:25:16+03:00",
          "utc": "2006-02-12T19:25:16Z",
          "ms": 1139772315573.4478
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2006-01-14T09:24:12+03:00",
          "utc": "2006-01-14T06:24:12Z",
          "ms": 1137219851586.5908
        },
        "end": {
          "local": "2006-01-14T09:24:12+03:00",
          "utc": "2006-01-14T06:24:12Z",
          "ms": 1137219851586.5908
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2006-01-14",
          "window": {
            "start": {
              "local": "2006-01-13T16:24:31+03:00",
              "utc": "2006-01-13T13:24:31Z",
              "ms": 1137158671089.0398
            },
            "end": {
              "local": "2006-01-14T16:26:18+03:00",
              "utc": "2006-01-14T13:26:18Z",
              "ms": 1137245177710.769
            }
          },
          "covered_min": 1,
          "window_min": 1442,
          "qualifies": true
        },
        {
          "local_date": "2006-01-15",
          "window": {
            "start": {
              "local": "2006-01-14T16:26:18+03:00",
              "utc": "2006-01-14T13:26:18Z",
              "ms": 1137245177710.769
            },
            "end": {
              "local": "2006-01-15T16:28:06+03:00",
              "utc": "2006-01-15T13:28:06Z",
              "ms": 1137331686404.098
            }
          },
          "covered_min": 0,
          "window_min": 1442,
          "qualifies": false
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "2006-01-14",
        "days": -1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 09:24 on Sat 14 Jan.",
          "fact": "2006-01-14T06:24:12Z · 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 16:26, and the day of the 15th ends at 16:28.",
          "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 25326 s"
        },
        {
          "step": "counted",
          "text": "Bhogi is kept the day before Pongal: Saturday 14 January is the day taken above.",
          "fact": "follows: pongal − 1 d"
        },
        {
          "step": "ruling",
          "text": "Bhogi, Moscow, 2006: Friday 13 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "bhogi",
        "follows": {
          "festival": "pongal",
          "days": -1
        },
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        ],
        "rashi": "Makara",
        "day_from": "sunset"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2006-01-13",
          "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": "2006-01-13",
          "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 Moscow, Bhogi 2006 falls on Friday 13 January. It is kept the day before Pongal, which falls on Saturday 14 January. The Sun enters Makara at 09:24 on Sat 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/pongal",
      "festival": "pongal",
      "name": "Pongal",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25326,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2006-01-14T09:24:12+03:00",
          "utc": "2006-01-14T06:24:12Z",
          "ms": 1137219851586.5908
        },
        "end": {
          "local": "2006-02-12T22:25:16+03:00",
          "utc": "2006-02-12T19:25:16Z",
          "ms": 1139772315573.4478
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2006-01-14T09:24:12+03:00",
          "utc": "2006-01-14T06:24:12Z",
          "ms": 1137219851586.5908
        },
        "end": {
          "local": "2006-01-14T09:24:12+03:00",
          "utc": "2006-01-14T06:24:12Z",
          "ms": 1137219851586.5908
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2006-01-14",
          "window": {
            "start": {
              "local": "2006-01-13T16:24:31+03:00",
              "utc": "2006-01-13T13:24:31Z",
              "ms": 1137158671089.0398
            },
            "end": {
              "local": "2006-01-14T16:26:18+03:00",
              "utc": "2006-01-14T13:26:18Z",
              "ms": 1137245177710.769
            }
          },
          "covered_min": 1,
          "window_min": 1442,
          "qualifies": true
        },
        {
          "local_date": "2006-01-15",
          "window": {
            "start": {
              "local": "2006-01-14T16:26:18+03:00",
              "utc": "2006-01-14T13:26:18Z",
              "ms": 1137245177710.769
            },
            "end": {
              "local": "2006-01-15T16:28:06+03:00",
              "utc": "2006-01-15T13:28:06Z",
              "ms": 1137331686404.098
            }
          },
          "covered_min": 0,
          "window_min": 1442,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 09:24 on Sat 14 Jan.",
          "fact": "2006-01-14T06:24:12Z · 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 16:26, and the day of the 15th ends at 16:28.",
          "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 25326 s"
        },
        {
          "step": "ruling",
          "text": "Pongal, Moscow, 2006: Saturday 14 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "pongal",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        ],
        "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.",
        "rashi": "Makara",
        "day_from": "sunset"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2006-01-14",
          "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": "2006-01-14",
          "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 Moscow, Pongal 2006 falls on Saturday 14 January. The Sun enters Makara at 09:24 on Sat 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/makara-sankranti",
      "festival": "makara-sankranti",
      "name": "Makara Saṅkrānti",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33852,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2006-01-14T09:24:12+03:00",
          "utc": "2006-01-14T06:24:12Z",
          "ms": 1137219851586.5908
        },
        "end": {
          "local": "2006-02-12T22:25:16+03:00",
          "utc": "2006-02-12T19:25:16Z",
          "ms": 1139772315573.4478
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2006-01-14T09:24:12+03:00",
          "utc": "2006-01-14T06:24:12Z",
          "ms": 1137219851586.5908
        },
        "end": {
          "local": "2006-01-14T09:24:12+03:00",
          "utc": "2006-01-14T06:24:12Z",
          "ms": 1137219851586.5908
        }
      },
      "kaala": "civil-day",
      "days": [
        {
          "local_date": "2006-01-13",
          "window": {
            "start": {
              "local": "2006-01-13T00:00:00+03:00",
              "utc": "2006-01-12T21:00:00Z",
              "ms": 1137099600000
            },
            "end": {
              "local": "2006-01-14T00:00:00+03:00",
              "utc": "2006-01-13T21:00:00Z",
              "ms": 1137186000000
            }
          },
          "covered_min": 0,
          "window_min": 1440,
          "qualifies": false
        },
        {
          "local_date": "2006-01-14",
          "window": {
            "start": {
              "local": "2006-01-14T00:00:00+03:00",
              "utc": "2006-01-13T21:00:00Z",
              "ms": 1137186000000
            },
            "end": {
              "local": "2006-01-15T00:00:00+03:00",
              "utc": "2006-01-14T21:00:00Z",
              "ms": 1137272400000
            }
          },
          "covered_min": 1,
          "window_min": 1440,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 09:24 on Sat 14 Jan.",
          "fact": "2006-01-14T06:24:12Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from midnight to midnight, on the clock of Moscow.",
          "fact": "civil-day: midnight-to-midnight · Europe/Moscow"
        },
        {
          "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 33852 s"
        },
        {
          "step": "ruling",
          "text": "Makara Saṅkrānti, Moscow, 2006: Saturday 14 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "makara-sankranti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        ],
        "rashi": "Makara",
        "day_from": "midnight"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "sunrise-day",
          "local_date": "2006-01-14",
          "statement": "Counted from sunrise (the Orissa rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight."
          }
        },
        {
          "kind": "reckoning",
          "id": "sunset-rule",
          "local_date": "2006-01-14",
          "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 Moscow, Makara Saṅkrānti 2006 falls on Saturday 14 January. The Sun enters Makara at 09:24 on Sat 14 Jan, and the rule counts the day from midnight.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/mattu-pongal",
      "festival": "mattu-pongal",
      "name": "Mattu Pongal",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-01-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25326,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2006-01-14T09:24:12+03:00",
          "utc": "2006-01-14T06:24:12Z",
          "ms": 1137219851586.5908
        },
        "end": {
          "local": "2006-02-12T22:25:16+03:00",
          "utc": "2006-02-12T19:25:16Z",
          "ms": 1139772315573.4478
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2006-01-14T09:24:12+03:00",
          "utc": "2006-01-14T06:24:12Z",
          "ms": 1137219851586.5908
        },
        "end": {
          "local": "2006-01-14T09:24:12+03:00",
          "utc": "2006-01-14T06:24:12Z",
          "ms": 1137219851586.5908
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2006-01-14",
          "window": {
            "start": {
              "local": "2006-01-13T16:24:31+03:00",
              "utc": "2006-01-13T13:24:31Z",
              "ms": 1137158671089.0398
            },
            "end": {
              "local": "2006-01-14T16:26:18+03:00",
              "utc": "2006-01-14T13:26:18Z",
              "ms": 1137245177710.769
            }
          },
          "covered_min": 1,
          "window_min": 1442,
          "qualifies": true
        },
        {
          "local_date": "2006-01-15",
          "window": {
            "start": {
              "local": "2006-01-14T16:26:18+03:00",
              "utc": "2006-01-14T13:26:18Z",
              "ms": 1137245177710.769
            },
            "end": {
              "local": "2006-01-15T16:28:06+03:00",
              "utc": "2006-01-15T13:28:06Z",
              "ms": 1137331686404.098
            }
          },
          "covered_min": 0,
          "window_min": 1442,
          "qualifies": false
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "2006-01-14",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 09:24 on Sat 14 Jan.",
          "fact": "2006-01-14T06:24:12Z · 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 16:26, and the day of the 15th ends at 16:28.",
          "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 25326 s"
        },
        {
          "step": "counted",
          "text": "Mattu Pongal is kept the day after Pongal: Saturday 14 January is the day taken above.",
          "fact": "follows: pongal + 1 d"
        },
        {
          "step": "ruling",
          "text": "Mattu Pongal, Moscow, 2006: Sunday 15 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "mattu-pongal",
        "follows": {
          "festival": "pongal",
          "days": 1
        },
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        ],
        "rashi": "Makara",
        "day_from": "sunset"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2006-01-15",
          "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": "2006-01-15",
          "statement": "Counted from sunrise (the Orissa rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Orissa rule: In Orissa the solar months of the Amli and Vilayati eras begin civilly on the same day (sunrise to next sunrise) as the samkranti, irrespective of whether this takes place before or after midnight."
          }
        }
      ],
      "quote": "In Moscow, Mattu Pongal 2006 falls on Sunday 15 January. It is kept the day after Pongal, which falls on Saturday 14 January. The Sun enters Makara at 09:24 on Sat 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/sankashta-chaturthi?on=2006-01-17",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-01-17",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin",
        "tie-break-unstated"
      ],
      "boundary_margin_s": 273,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-01-17T19:47:38+03:00",
          "utc": "2006-01-17T16:47:38Z",
          "ms": 1137516458351.0535
        },
        "end": {
          "local": "2006-01-18T22:31:42+03:00",
          "utc": "2006-01-18T19:31:42Z",
          "ms": 1137612701649.5806
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-01-17T19:47:38+03:00",
          "utc": "2006-01-17T16:47:38Z",
          "ms": 1137516458351.0535
        },
        "end": {
          "local": "2006-01-18T22:31:42+03:00",
          "utc": "2006-01-18T19:31:42Z",
          "ms": 1137612701649.5806
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2006-01-17",
          "window": {
            "start": {
              "local": "2006-01-17T19:52:12+03:00",
              "utc": "2006-01-17T16:52:12Z",
              "ms": 1137516731568.5718
            },
            "end": {
              "local": "2006-01-17T19:52:12+03:00",
              "utc": "2006-01-17T16:52:12Z",
              "ms": 1137516731568.5718
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2006-01-18",
          "window": {
            "start": {
              "local": "2006-01-18T21:08:13+03:00",
              "utc": "2006-01-18T18:08:13Z",
              "ms": 1137607693127.5408
            },
            "end": {
              "local": "2006-01-18T21:08:13+03:00",
              "utc": "2006-01-18T18:08:13Z",
              "ms": 1137607693127.5408
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 19:48 on Tue 17 Jan to 22:32 on Wed 18 Jan.",
          "fact": "2006-01-17T16:47:38Z → 2006-01-18T19:31:42Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:52 on the 17th and 21:08 on the 18th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 17th and is on the 18th.",
          "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 273 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Moscow, 2006: Tuesday 17 January.",
          "fact": "confidence: boundary (margin, 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": "2006-01-17",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-01-17",
          "confidence": "boundary"
        }
      ],
      "quote": "In Moscow, Saṅkaṣṭa Caturthī 2006 falls on Tuesday 17 January. Caturthī runs from 19:48 on Tue 17 Jan to 22:32 on Wed 18 Jan and is current at moonrise that day. It is 4 min 33 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/moscow/festivals/2006/sankashta-chaturthi?on=2006-01-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/ekadashi?on=2006-01-25",
      "festival": "ekadashi",
      "name": "Ṣaṭtilā Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-01-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7258,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-01-25T06:35:32+03:00",
          "utc": "2006-01-25T03:35:32Z",
          "ms": 1138160132133.207
        },
        "end": {
          "local": "2006-01-26T05:11:49+03:00",
          "utc": "2006-01-26T02:11:49Z",
          "ms": 1138241508924.1719
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-01-25T06:35:32+03:00",
          "utc": "2006-01-25T03:35:32Z",
          "ms": 1138160132133.207
        },
        "end": {
          "local": "2006-01-26T05:11:49+03:00",
          "utc": "2006-01-26T02:11:49Z",
          "ms": 1138241508924.1719
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-01-25",
          "window": {
            "start": {
              "local": "2006-01-25T08:36:30+03:00",
              "utc": "2006-01-25T05:36:30Z",
              "ms": 1138167390148.4531
            },
            "end": {
              "local": "2006-01-25T08:36:30+03:00",
              "utc": "2006-01-25T05:36:30Z",
              "ms": 1138167390148.4531
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2006-01-26",
          "window": {
            "start": {
              "local": "2006-01-26T08:34:53+03:00",
              "utc": "2006-01-26T05:34:53Z",
              "ms": 1138253692916.923
            },
            "end": {
              "local": "2006-01-26T08:34:53+03:00",
              "utc": "2006-01-26T05:34:53Z",
              "ms": 1138253692916.923
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 06:36 on Wed 25 Jan to 05:12 on Thu 26 Jan.",
          "fact": "2006-01-25T03:35:32Z → 2006-01-26T02:11:49Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 08:37 on the 25th and 08:35 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 7258 s"
        },
        {
          "step": "ruling",
          "text": "Ṣaṭtilā Ekādaśī, Moscow, 2006: Wednesday 25 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": "2006-01-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-01-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Ṣaṭtilā Ekādaśī 2006 falls on Wednesday 25 January. Ekādaśī runs from 06:36 on Wed 25 Jan to 05:12 on Thu 26 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-01-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/pradosha-vrata?on=2006-01-27",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-01-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18813,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-01-27T03:00:50+03:00",
          "utc": "2006-01-27T00:00:50Z",
          "ms": 1138320049571.1804
        },
        "end": {
          "local": "2006-01-28T00:10:46+03:00",
          "utc": "2006-01-27T21:10:46Z",
          "ms": 1138396245629.8406
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-01-27T03:00:50+03:00",
          "utc": "2006-01-27T00:00:50Z",
          "ms": 1138320049571.1804
        },
        "end": {
          "local": "2006-01-28T00:10:46+03:00",
          "utc": "2006-01-27T21:10:46Z",
          "ms": 1138396245629.8406
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-01-26",
          "window": {
            "start": {
              "local": "2006-01-26T16:49:50+03:00",
              "utc": "2006-01-26T13:49:50Z",
              "ms": 1138283389920.5728
            },
            "end": {
              "local": "2006-01-26T18:55:37+03:00",
              "utc": "2006-01-26T15:55:37Z",
              "ms": 1138290937022.583
            }
          },
          "covered_min": 0,
          "window_min": 126,
          "qualifies": false
        },
        {
          "local_date": "2006-01-27",
          "window": {
            "start": {
              "local": "2006-01-27T16:51:56+03:00",
              "utc": "2006-01-27T13:51:56Z",
              "ms": 1138369915732.2478
            },
            "end": {
              "local": "2006-01-27T18:57:12+03:00",
              "utc": "2006-01-27T15:57:12Z",
              "ms": 1138377432438.008
            }
          },
          "covered_min": 125,
          "window_min": 125,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 03:01 on Fri 27 Jan to 00:11 on Sat 28 Jan.",
          "fact": "2006-01-27T00:00:50Z → 2006-01-27T21:10:46Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:50–18:56 on the 26th, 16:52–18:57 on the 27th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 126 minutes on the 26th and 125 of 125 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 18813 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2006: Friday 27 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": "2006-01-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-01-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2006 falls on Friday 27 January. Trayodaśī runs from 03:01 on Fri 27 Jan to 00:11 on Sat 28 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/pradosha-vrata?on=2006-01-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/shivaratri?on=2006-01-27",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-01-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 418,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2006-01-28T00:10:46+03:00",
          "utc": "2006-01-27T21:10:46Z",
          "ms": 1138396245629.8406
        },
        "end": {
          "local": "2006-01-28T20:51:41+03:00",
          "utc": "2006-01-28T17:51:41Z",
          "ms": 1138470701038.9153
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-01-28T00:10:46+03:00",
          "utc": "2006-01-27T21:10:46Z",
          "ms": 1138396245629.8406
        },
        "end": {
          "local": "2006-01-28T20:51:41+03:00",
          "utc": "2006-01-28T17:51:41Z",
          "ms": 1138470701038.9153
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2006-01-27",
          "window": {
            "start": {
              "local": "2006-01-28T00:17:43+03:00",
              "utc": "2006-01-27T21:17:43Z",
              "ms": 1138396663378.849
            },
            "end": {
              "local": "2006-01-28T01:05:43+03:00",
              "utc": "2006-01-27T22:05:43Z",
              "ms": 1138399543378.849
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-01-28",
          "window": {
            "start": {
              "local": "2006-01-29T00:17:54+03:00",
              "utc": "2006-01-28T21:17:54Z",
              "ms": 1138483074434.7388
            },
            "end": {
              "local": "2006-01-29T01:05:54+03:00",
              "utc": "2006-01-28T22:05:54Z",
              "ms": 1138485954434.7388
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 00:11 on Sat 28 Jan to 20:52 on Sat 28 Jan.",
          "fact": "2006-01-27T21:10:46Z → 2006-01-28T17:51:41Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:18–01:06 on the 27th, 00:18–01:06 on the 28th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 418 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Moscow, 2006: Friday 27 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": "2006-01-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-01-27",
          "confidence": "boundary"
        }
      ],
      "quote": "In Moscow, Śivarātri 2006 falls on Friday 27 January. Caturdaśī runs from 00:11 on Sat 28 Jan to 20:52 on Sat 28 Jan and covers all of niśītha that night.",
      "cite": "https://ahargana.org/moscow/festivals/2006/shivaratri?on=2006-01-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/yama-tarpana",
      "festival": "yama-tarpana",
      "name": "Yama Tarpaṇa",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-01-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22529,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2006-01-28T00:10:46+03:00",
          "utc": "2006-01-27T21:10:46Z",
          "ms": 1138396245629.8406
        },
        "end": {
          "local": "2006-01-28T20:51:41+03:00",
          "utc": "2006-01-28T17:51:41Z",
          "ms": 1138470701038.9153
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-01-28T00:10:46+03:00",
          "utc": "2006-01-27T21:10:46Z",
          "ms": 1138396245629.8406
        },
        "end": {
          "local": "2006-01-28T20:51:41+03:00",
          "utc": "2006-01-28T17:51:41Z",
          "ms": 1138470701038.9153
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2006-01-28",
          "window": {
            "start": {
              "local": "2006-01-28T06:26:14+03:00",
              "utc": "2006-01-28T03:26:14Z",
              "ms": 1138418774319.6902
            },
            "end": {
              "local": "2006-01-28T08:31:31+03:00",
              "utc": "2006-01-28T05:31:31Z",
              "ms": 1138426291025.4504
            }
          },
          "covered_min": 125,
          "window_min": 125,
          "qualifies": true
        },
        {
          "local_date": "2006-01-29",
          "window": {
            "start": {
              "local": "2006-01-29T06:25:01+03:00",
              "utc": "2006-01-29T03:25:01Z",
              "ms": 1138505100619.8306
            },
            "end": {
              "local": "2006-01-29T08:29:47+03:00",
              "utc": "2006-01-29T05:29:47Z",
              "ms": 1138512586505.3184
            }
          },
          "covered_min": 0,
          "window_min": 125,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 00:11 on Sat 28 Jan to 20:52 on Sat 28 Jan.",
          "fact": "2006-01-27T21:10:46Z → 2006-01-28T17:51:41Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 06:26–08:32 on the 28th, 06:25–08:30 on the 29th.",
          "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 125 of 125 minutes on the 28th and 0 of 125 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one dawn qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 22529 s"
        },
        {
          "step": "ruling",
          "text": "Yama Tarpaṇa, Moscow, 2006: Saturday 28 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": "2006-01-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-01-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Yama Tarpaṇa 2006 falls on Saturday 28 January. Caturdaśī runs from 00:11 on Sat 28 Jan to 20:52 on Sat 28 Jan and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/ganesha-jayanti",
      "festival": "ganesha-jayanti",
      "name": "Gaṇeśa Jayantī",
      "everyday": "Maghi Ganesh Jayanti",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-02-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21165,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-02-01T06:26:42+03:00",
          "utc": "2006-02-01T03:26:42Z",
          "ms": 1138764402461.0212
        },
        "end": {
          "local": "2006-02-02T03:25:41+03:00",
          "utc": "2006-02-02T00:25:41Z",
          "ms": 1138839941460.565
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-02-01T06:26:42+03:00",
          "utc": "2006-02-01T03:26:42Z",
          "ms": 1138764402461.0212
        },
        "end": {
          "local": "2006-02-02T03:25:41+03:00",
          "utc": "2006-02-02T00:25:41Z",
          "ms": 1138839941460.565
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-02-01",
          "window": {
            "start": {
              "local": "2006-02-01T12:19:27+03:00",
              "utc": "2006-02-01T09:19:27Z",
              "ms": 1138785567421.7432
            },
            "end": {
              "local": "2006-02-01T13:07:27+03:00",
              "utc": "2006-02-01T10:07:27Z",
              "ms": 1138788447421.7432
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-02-02",
          "window": {
            "start": {
              "local": "2006-02-02T12:19:36+03:00",
              "utc": "2006-02-02T09:19:36Z",
              "ms": 1138871975516.4363
            },
            "end": {
              "local": "2006-02-02T13:07:36+03:00",
              "utc": "2006-02-02T10:07:36Z",
              "ms": 1138874855516.4363
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 06:27 on Wed 1 Feb to 03:26 on Thu 2 Feb.",
          "fact": "2006-02-01T03:26:42Z → 2006-02-02T00:25:41Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:19–13:07 on the 1st, 12:20–13:08 on the 2nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 21165 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Jayantī, Moscow, 2006: Wednesday 1 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ganesha-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-02-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-02-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2006 falls on Wednesday 1 February. Caturthī runs from 06:27 on Wed 1 Feb to 03:26 on Thu 2 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/tila-chaturthi",
      "festival": "tila-chaturthi",
      "name": "Tila Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-02-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30027,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-02-01T06:26:42+03:00",
          "utc": "2006-02-01T03:26:42Z",
          "ms": 1138764402461.0212
        },
        "end": {
          "local": "2006-02-02T03:25:41+03:00",
          "utc": "2006-02-02T00:25:41Z",
          "ms": 1138839941460.565
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-02-01T06:26:42+03:00",
          "utc": "2006-02-01T03:26:42Z",
          "ms": 1138764402461.0212
        },
        "end": {
          "local": "2006-02-02T03:25:41+03:00",
          "utc": "2006-02-02T00:25:41Z",
          "ms": 1138839941460.565
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-01-31",
          "window": {
            "start": {
              "local": "2006-01-31T17:00:26+03:00",
              "utc": "2006-01-31T14:00:26Z",
              "ms": 1138716026323.1956
            },
            "end": {
              "local": "2006-01-31T19:03:37+03:00",
              "utc": "2006-01-31T16:03:37Z",
              "ms": 1138723417406.484
            }
          },
          "covered_min": 0,
          "window_min": 123,
          "qualifies": false
        },
        {
          "local_date": "2006-02-01",
          "window": {
            "start": {
              "local": "2006-02-01T17:02:35+03:00",
              "utc": "2006-02-01T14:02:35Z",
              "ms": 1138802555395.6287
            },
            "end": {
              "local": "2006-02-01T19:05:14+03:00",
              "utc": "2006-02-01T16:05:14Z",
              "ms": 1138809914162.2747
            }
          },
          "covered_min": 123,
          "window_min": 123,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 06:27 on Wed 1 Feb to 03:26 on Thu 2 Feb.",
          "fact": "2006-02-01T03:26:42Z → 2006-02-02T00:25:41Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:00–19:04 on the 31st, 17:03–19:05 on the 1st.",
          "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 123 minutes on the 31st and 123 of 123 on the 1st.",
          "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 30027 s"
        },
        {
          "step": "ruling",
          "text": "Tila Caturthī, Moscow, 2006: Wednesday 1 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "tila-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-02-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-02-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Tila Caturthī 2006 falls on Wednesday 1 February. Caturthī runs from 06:27 on Wed 1 Feb to 03:26 on Thu 2 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/shri-panchami",
      "festival": "shri-panchami",
      "name": "Śrī Pañcamī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-02-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32034,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2006-02-02T03:25:41+03:00",
          "utc": "2006-02-02T00:25:41Z",
          "ms": 1138839941460.565
        },
        "end": {
          "local": "2006-02-03T00:55:58+03:00",
          "utc": "2006-02-02T21:55:58Z",
          "ms": 1138917357747.9438
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-02-02T03:25:41+03:00",
          "utc": "2006-02-02T00:25:41Z",
          "ms": 1138839941460.565
        },
        "end": {
          "local": "2006-02-03T00:55:58+03:00",
          "utc": "2006-02-02T21:55:58Z",
          "ms": 1138917357747.9438
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-02-02",
          "window": {
            "start": {
              "local": "2006-02-02T12:19:36+03:00",
              "utc": "2006-02-02T09:19:36Z",
              "ms": 1138871975516.4363
            },
            "end": {
              "local": "2006-02-02T13:07:36+03:00",
              "utc": "2006-02-02T10:07:36Z",
              "ms": 1138874855516.4363
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-02-03",
          "window": {
            "start": {
              "local": "2006-02-03T12:19:43+03:00",
              "utc": "2006-02-03T09:19:43Z",
              "ms": 1138958382769.705
            },
            "end": {
              "local": "2006-02-03T13:07:43+03:00",
              "utc": "2006-02-03T10:07:43Z",
              "ms": 1138961262769.705
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 03:26 on Thu 2 Feb to 00:56 on Fri 3 Feb.",
          "fact": "2006-02-02T00:25:41Z → 2006-02-02T21:55:58Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 2nd, 12:20–13:08 on the 3rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 32034 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Pañcamī, Moscow, 2006: Thursday 2 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shri-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-02-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-02-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Śrī Pañcamī 2006 falls on Thursday 2 February. Pañcamī runs from 03:26 on Thu 2 Feb to 00:56 on Fri 3 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/vasanta-panchami",
      "festival": "vasanta-panchami",
      "name": "Vasanta Pañcamī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-02-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32034,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2006-02-02T03:25:41+03:00",
          "utc": "2006-02-02T00:25:41Z",
          "ms": 1138839941460.565
        },
        "end": {
          "local": "2006-02-03T00:55:58+03:00",
          "utc": "2006-02-02T21:55:58Z",
          "ms": 1138917357747.9438
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-02-02T03:25:41+03:00",
          "utc": "2006-02-02T00:25:41Z",
          "ms": 1138839941460.565
        },
        "end": {
          "local": "2006-02-03T00:55:58+03:00",
          "utc": "2006-02-02T21:55:58Z",
          "ms": 1138917357747.9438
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-02-02",
          "window": {
            "start": {
              "local": "2006-02-02T12:19:36+03:00",
              "utc": "2006-02-02T09:19:36Z",
              "ms": 1138871975516.4363
            },
            "end": {
              "local": "2006-02-02T13:07:36+03:00",
              "utc": "2006-02-02T10:07:36Z",
              "ms": 1138874855516.4363
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-02-03",
          "window": {
            "start": {
              "local": "2006-02-03T12:19:43+03:00",
              "utc": "2006-02-03T09:19:43Z",
              "ms": 1138958382769.705
            },
            "end": {
              "local": "2006-02-03T13:07:43+03:00",
              "utc": "2006-02-03T10:07:43Z",
              "ms": 1138961262769.705
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 03:26 on Thu 2 Feb to 00:56 on Fri 3 Feb.",
          "fact": "2006-02-02T00:25:41Z → 2006-02-02T21:55:58Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 2nd, 12:20–13:08 on the 3rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 32034 s"
        },
        {
          "step": "ruling",
          "text": "Vasanta Pañcamī, Moscow, 2006: Thursday 2 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vasanta-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-02-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-02-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Vasanta Pañcamī 2006 falls on Thursday 2 February. Pañcamī runs from 03:26 on Thu 2 Feb to 00:56 on Fri 3 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/ratha-saptami",
      "festival": "ratha-saptami",
      "name": "Ratha Saptamī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-02-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26039,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2006-02-03T23:03:02+03:00",
          "utc": "2006-02-03T20:03:02Z",
          "ms": 1138996981624.1396
        },
        "end": {
          "local": "2006-02-04T21:50:02+03:00",
          "utc": "2006-02-04T18:50:02Z",
          "ms": 1139079001889.1272
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-02-03T23:03:02+03:00",
          "utc": "2006-02-03T20:03:02Z",
          "ms": 1138996981624.1396
        },
        "end": {
          "local": "2006-02-04T21:50:02+03:00",
          "utc": "2006-02-04T18:50:02Z",
          "ms": 1139079001889.1272
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2006-02-04",
          "window": {
            "start": {
              "local": "2006-02-04T06:17:00+03:00",
              "utc": "2006-02-04T03:17:00Z",
              "ms": 1139023020332.9387
            },
            "end": {
              "local": "2006-02-04T08:18:34+03:00",
              "utc": "2006-02-04T05:18:34Z",
              "ms": 1139030313502.5151
            }
          },
          "covered_min": 122,
          "window_min": 122,
          "qualifies": true
        },
        {
          "local_date": "2006-02-05",
          "window": {
            "start": {
              "local": "2006-02-05T06:15:34+03:00",
              "utc": "2006-02-05T03:15:34Z",
              "ms": 1139109334367.7761
            },
            "end": {
              "local": "2006-02-05T08:16:34+03:00",
              "utc": "2006-02-05T05:16:34Z",
              "ms": 1139116594291.696
            }
          },
          "covered_min": 0,
          "window_min": 121,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 23:03 on Fri 3 Feb to 21:50 on Sat 4 Feb.",
          "fact": "2006-02-03T20:03:02Z → 2006-02-04T18:50:02Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 06:17–08:19 on the 4th, 06:16–08:17 on the 5th.",
          "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 122 of 122 minutes on the 4th and 0 of 121 on the 5th.",
          "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 26039 s"
        },
        {
          "step": "ruling",
          "text": "Ratha Saptamī, Moscow, 2006: Saturday 4 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ratha-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]."
          }
        ],
        "kaala": "arunodaya",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-02-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-02-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Ratha Saptamī 2006 falls on Saturday 4 February. Saptamī runs from 23:03 on Fri 3 Feb to 21:50 on Sat 4 Feb and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/ekadashi?on=2006-02-08",
      "festival": "ekadashi",
      "name": "Jayā Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-02-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31760,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-02-07T22:06:09+03:00",
          "utc": "2006-02-07T19:06:09Z",
          "ms": 1139339168837.9575
        },
        "end": {
          "local": "2006-02-08T23:19:00+03:00",
          "utc": "2006-02-08T20:19:00Z",
          "ms": 1139429939708.204
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-02-07T22:06:09+03:00",
          "utc": "2006-02-07T19:06:09Z",
          "ms": 1139339168837.9575
        },
        "end": {
          "local": "2006-02-08T23:19:00+03:00",
          "utc": "2006-02-08T20:19:00Z",
          "ms": 1139429939708.204
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-02-08",
          "window": {
            "start": {
              "local": "2006-02-08T08:10:26+03:00",
              "utc": "2006-02-08T05:10:26Z",
              "ms": 1139375425867.0125
            },
            "end": {
              "local": "2006-02-08T08:10:26+03:00",
              "utc": "2006-02-08T05:10:26Z",
              "ms": 1139375425867.0125
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2006-02-09",
          "window": {
            "start": {
              "local": "2006-02-09T08:08:20+03:00",
              "utc": "2006-02-09T05:08:20Z",
              "ms": 1139461699666.4375
            },
            "end": {
              "local": "2006-02-09T08:08:20+03:00",
              "utc": "2006-02-09T05:08:20Z",
              "ms": 1139461699666.4375
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 22:06 on Tue 7 Feb to 23:19 on Wed 8 Feb.",
          "fact": "2006-02-07T19:06:09Z → 2006-02-08T20:19:00Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 08:10 on the 8th and 08:08 on the 9th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 8th and is not on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 31760 s"
        },
        {
          "step": "ruling",
          "text": "Jayā Ekādaśī, Moscow, 2006: Wednesday 8 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": "2006-02-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-02-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Jayā Ekādaśī 2006 falls on Wednesday 8 February. Ekādaśī runs from 22:06 on Tue 7 Feb to 23:19 on Wed 8 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-02-08",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/bhishma-dvadashi",
      "festival": "bhishma-dvadashi",
      "name": "Bhīṣma Dvādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-02-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36653,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2006-02-08T23:19:00+03:00",
          "utc": "2006-02-08T20:19:00Z",
          "ms": 1139429939708.204
        },
        "end": {
          "local": "2006-02-10T00:57:47+03:00",
          "utc": "2006-02-09T21:57:47Z",
          "ms": 1139522267053.2866
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-02-08T23:19:00+03:00",
          "utc": "2006-02-08T20:19:00Z",
          "ms": 1139429939708.204
        },
        "end": {
          "local": "2006-02-10T00:57:47+03:00",
          "utc": "2006-02-09T21:57:47Z",
          "ms": 1139522267053.2866
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-02-08",
          "window": {
            "start": {
              "local": "2006-02-08T12:20:07+03:00",
              "utc": "2006-02-08T09:20:07Z",
              "ms": 1139390406515.2593
            },
            "end": {
              "local": "2006-02-08T13:08:07+03:00",
              "utc": "2006-02-08T10:08:07Z",
              "ms": 1139393286515.2593
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-02-09",
          "window": {
            "start": {
              "local": "2006-02-09T12:20:09+03:00",
              "utc": "2006-02-09T09:20:09Z",
              "ms": 1139476808804.9453
            },
            "end": {
              "local": "2006-02-09T13:08:09+03:00",
              "utc": "2006-02-09T10:08:09Z",
              "ms": 1139479688804.9453
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 23:19 on Wed 8 Feb to 00:58 on Fri 10 Feb.",
          "fact": "2006-02-08T20:19:00Z → 2006-02-09T21:57:47Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 8th, 12:20–13:08 on the 9th.",
          "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 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 36653 s"
        },
        {
          "step": "ruling",
          "text": "Bhīṣma Dvādaśī, Moscow, 2006: Thursday 9 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bhishma-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-02-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-02-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Bhīṣma Dvādaśī 2006 falls on Thursday 9 February. Dvādaśī runs from 23:19 on Wed 8 Feb to 00:58 on Fri 10 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/pradosha-vrata?on=2006-02-10",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-02-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20379,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-02-10T00:57:47+03:00",
          "utc": "2006-02-09T21:57:47Z",
          "ms": 1139522267053.2866
        },
        "end": {
          "local": "2006-02-11T02:57:47+03:00",
          "utc": "2006-02-10T23:57:47Z",
          "ms": 1139615867440.6094
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-02-10T00:57:47+03:00",
          "utc": "2006-02-09T21:57:47Z",
          "ms": 1139522267053.2866
        },
        "end": {
          "local": "2006-02-11T02:57:47+03:00",
          "utc": "2006-02-10T23:57:47Z",
          "ms": 1139615867440.6094
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-02-09",
          "window": {
            "start": {
              "local": "2006-02-09T17:19:58+03:00",
              "utc": "2006-02-09T14:19:58Z",
              "ms": 1139494797943.453
            },
            "end": {
              "local": "2006-02-09T19:18:08+03:00",
              "utc": "2006-02-09T16:18:08Z",
              "ms": 1139501887800.0957
            }
          },
          "covered_min": 0,
          "window_min": 118,
          "qualifies": false
        },
        {
          "local_date": "2006-02-10",
          "window": {
            "start": {
              "local": "2006-02-10T17:22:09+03:00",
              "utc": "2006-02-10T14:22:09Z",
              "ms": 1139581328723.872
            },
            "end": {
              "local": "2006-02-10T19:19:44+03:00",
              "utc": "2006-02-10T16:19:44Z",
              "ms": 1139588383897.9116
            }
          },
          "covered_min": 118,
          "window_min": 118,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 00:58 on Fri 10 Feb to 02:58 on Sat 11 Feb.",
          "fact": "2006-02-09T21:57:47Z → 2006-02-10T23:57:47Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:20–19:18 on the 9th, 17:22–19:20 on the 10th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 118 minutes on the 9th and 118 of 118 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 20379 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Moscow, 2006: Friday 10 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": "2006-02-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-02-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Śukla Pradoṣa Vrata 2006 falls on Friday 10 February. Trayodaśī runs from 00:58 on Fri 10 Feb to 02:58 on Sat 11 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/pradosha-vrata?on=2006-02-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/maghi-purnima",
      "festival": "maghi-purnima",
      "name": "Māghī Pūrṇimā",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-02-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16557,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2006-02-12T05:14:40+03:00",
          "utc": "2006-02-12T02:14:40Z",
          "ms": 1139710480107.3596
        },
        "end": {
          "local": "2006-02-13T07:44:13+03:00",
          "utc": "2006-02-13T04:44:13Z",
          "ms": 1139805853367.0806
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-02-12T05:14:40+03:00",
          "utc": "2006-02-12T02:14:40Z",
          "ms": 1139710480107.3596
        },
        "end": {
          "local": "2006-02-13T07:44:13+03:00",
          "utc": "2006-02-13T04:44:13Z",
          "ms": 1139805853367.0806
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-02-12",
          "window": {
            "start": {
              "local": "2006-02-12T12:20:11+03:00",
              "utc": "2006-02-12T09:20:11Z",
              "ms": 1139736010928.5527
            },
            "end": {
              "local": "2006-02-12T13:08:11+03:00",
              "utc": "2006-02-12T10:08:11Z",
              "ms": 1139738890928.5527
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-02-13",
          "window": {
            "start": {
              "local": "2006-02-13T12:20:10+03:00",
              "utc": "2006-02-13T09:20:10Z",
              "ms": 1139822410094.9326
            },
            "end": {
              "local": "2006-02-13T13:08:10+03:00",
              "utc": "2006-02-13T10:08:10Z",
              "ms": 1139825290094.9326
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 05:15 on Sun 12 Feb to 07:44 on Mon 13 Feb.",
          "fact": "2006-02-12T02:14:40Z → 2006-02-13T04:44:13Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 12th, 12:20–13:08 on the 13th.",
          "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 12th and 0 of 48 on the 13th.",
          "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 16557 s"
        },
        {
          "step": "ruling",
          "text": "Māghī Pūrṇimā, Moscow, 2006: Sunday 12 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": "2006-02-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-02-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Māghī Pūrṇimā 2006 falls on Sunday 12 February. Pūrṇimā runs from 05:15 on Sun 12 Feb to 07:44 on Mon 13 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/sankashta-chaturthi?on=2006-02-16",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-02-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16961,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-02-16T15:37:37+03:00",
          "utc": "2006-02-16T12:37:37Z",
          "ms": 1140093456837.2954
        },
        "end": {
          "local": "2006-02-17T17:59:55+03:00",
          "utc": "2006-02-17T14:59:55Z",
          "ms": 1140188395334.5818
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-02-16T15:37:37+03:00",
          "utc": "2006-02-16T12:37:37Z",
          "ms": 1140093456837.2954
        },
        "end": {
          "local": "2006-02-17T17:59:55+03:00",
          "utc": "2006-02-17T14:59:55Z",
          "ms": 1140188395334.5818
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2006-02-16",
          "window": {
            "start": {
              "local": "2006-02-16T21:26:01+03:00",
              "utc": "2006-02-16T18:26:01Z",
              "ms": 1140114360722.281
            },
            "end": {
              "local": "2006-02-16T21:26:01+03:00",
              "utc": "2006-02-16T18:26:01Z",
              "ms": 1140114360722.281
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2006-02-17",
          "window": {
            "start": {
              "local": "2006-02-17T22:42:37+03:00",
              "utc": "2006-02-17T19:42:37Z",
              "ms": 1140205356703.762
            },
            "end": {
              "local": "2006-02-17T22:42:37+03:00",
              "utc": "2006-02-17T19:42:37Z",
              "ms": 1140205356703.762
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 15:38 on Thu 16 Feb to 18:00 on Fri 17 Feb.",
          "fact": "2006-02-16T12:37:37Z → 2006-02-17T14:59:55Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:26 on the 16th and 22:43 on the 17th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 16th and is not on the 17th.",
          "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 16961 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Moscow, 2006: Thursday 16 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": "2006-02-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-02-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Saṅkaṣṭa Caturthī 2006 falls on Thursday 16 February. Caturthī runs from 15:38 on Thu 16 Feb to 18:00 on Fri 17 Feb and is current at moonrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/sankashta-chaturthi?on=2006-02-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/ekadashi?on=2006-02-24",
      "festival": "ekadashi",
      "name": "Vijayā Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-02-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35197,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-02-23T19:41:42+03:00",
          "utc": "2006-02-23T16:41:42Z",
          "ms": 1140712902091.6877
        },
        "end": {
          "local": "2006-02-24T17:20:41+03:00",
          "utc": "2006-02-24T14:20:41Z",
          "ms": 1140790840607.7092
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-02-23T19:41:42+03:00",
          "utc": "2006-02-23T16:41:42Z",
          "ms": 1140712902091.6877
        },
        "end": {
          "local": "2006-02-24T17:20:41+03:00",
          "utc": "2006-02-24T14:20:41Z",
          "ms": 1140790840607.7092
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-02-23",
          "window": {
            "start": {
              "local": "2006-02-23T07:36:29+03:00",
              "utc": "2006-02-23T04:36:29Z",
              "ms": 1140669388855.682
            },
            "end": {
              "local": "2006-02-23T07:36:29+03:00",
              "utc": "2006-02-23T04:36:29Z",
              "ms": 1140669388855.682
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2006-02-24",
          "window": {
            "start": {
              "local": "2006-02-24T07:34:04+03:00",
              "utc": "2006-02-24T04:34:04Z",
              "ms": 1140755643993.4897
            },
            "end": {
              "local": "2006-02-24T07:34:04+03:00",
              "utc": "2006-02-24T04:34:04Z",
              "ms": 1140755643993.4897
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 19:42 on Thu 23 Feb to 17:21 on Fri 24 Feb.",
          "fact": "2006-02-23T16:41:42Z → 2006-02-24T14:20:41Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:36 on the 23rd and 07:34 on the 24th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 23rd and is on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 35197 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Ekādaśī, Moscow, 2006: Friday 24 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": "2006-02-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-02-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Vijayā Ekādaśī 2006 falls on Friday 24 February. Ekādaśī runs from 19:42 on Thu 23 Feb to 17:21 on Fri 24 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-02-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/pradosha-vrata?on=2006-02-25",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-02-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12651,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-02-25T14:23:42+03:00",
          "utc": "2006-02-25T11:23:42Z",
          "ms": 1140866622451.015
        },
        "end": {
          "local": "2006-02-26T10:59:41+03:00",
          "utc": "2006-02-26T07:59:41Z",
          "ms": 1140940780549.548
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-02-25T14:23:42+03:00",
          "utc": "2006-02-25T11:23:42Z",
          "ms": 1140866622451.015
        },
        "end": {
          "local": "2006-02-26T10:59:41+03:00",
          "utc": "2006-02-26T07:59:41Z",
          "ms": 1140940780549.548
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-02-25",
          "window": {
            "start": {
              "local": "2006-02-25T17:54:34+03:00",
              "utc": "2006-02-25T14:54:34Z",
              "ms": 1140879273709.3691
            },
            "end": {
              "local": "2006-02-25T19:43:11+03:00",
              "utc": "2006-02-25T16:43:11Z",
              "ms": 1140885790768.1472
            }
          },
          "covered_min": 109,
          "window_min": 109,
          "qualifies": true
        },
        {
          "local_date": "2006-02-26",
          "window": {
            "start": {
              "local": "2006-02-26T17:56:42+03:00",
              "utc": "2006-02-26T14:56:42Z",
              "ms": 1140965801522.115
            },
            "end": {
              "local": "2006-02-26T19:44:42+03:00",
              "utc": "2006-02-26T16:44:42Z",
              "ms": 1140972281885.1912
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 14:24 on Sat 25 Feb to 11:00 on Sun 26 Feb.",
          "fact": "2006-02-25T11:23:42Z → 2006-02-26T07:59:41Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:55–19:43 on the 25th, 17:57–19:45 on the 26th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 109 of 109 minutes on the 25th and 0 of 108 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 12651 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2006: Saturday 25 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": "2006-02-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-02-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2006 falls on Saturday 25 February. Trayodaśī runs from 14:24 on Sat 25 Feb to 11:00 on Sun 26 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/pradosha-vrata?on=2006-02-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/maha-shivaratri",
      "festival": "maha-shivaratri",
      "name": "Mahāśivarātri",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-02-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22369,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2006-02-26T10:59:41+03:00",
          "utc": "2006-02-26T07:59:41Z",
          "ms": 1140940780549.548
        },
        "end": {
          "local": "2006-02-27T07:18:32+03:00",
          "utc": "2006-02-27T04:18:32Z",
          "ms": 1141013912313.163
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-02-26T10:59:41+03:00",
          "utc": "2006-02-26T07:59:41Z",
          "ms": 1140940780549.548
        },
        "end": {
          "local": "2006-02-27T07:18:32+03:00",
          "utc": "2006-02-27T04:18:32Z",
          "ms": 1141013912313.163
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2006-02-25",
          "window": {
            "start": {
              "local": "2006-02-26T00:17:53+03:00",
              "utc": "2006-02-25T21:17:53Z",
              "ms": 1140902272679.7874
            },
            "end": {
              "local": "2006-02-26T01:05:53+03:00",
              "utc": "2006-02-25T22:05:53Z",
              "ms": 1140905152679.7874
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-02-26",
          "window": {
            "start": {
              "local": "2006-02-27T00:17:43+03:00",
              "utc": "2006-02-26T21:17:43Z",
              "ms": 1140988662883.651
            },
            "end": {
              "local": "2006-02-27T01:05:43+03:00",
              "utc": "2006-02-26T22:05:43Z",
              "ms": 1140991542883.651
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 11:00 on Sun 26 Feb to 07:19 on Mon 27 Feb.",
          "fact": "2006-02-26T07:59:41Z → 2006-02-27T04:18:32Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:18–01:06 on the 25th, 00:18–01:06 on the 26th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: disputed → only-day · margin 22369 s"
        },
        {
          "step": "ruling",
          "text": "Mahāśivarātri, Moscow, 2006: Sunday 26 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": "2006-02-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-02-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Mahāśivarātri 2006 falls on Sunday 26 February. Caturdaśī runs from 11:00 on Sun 26 Feb to 07:19 on Mon 27 Feb and covers all of niśītha that night.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/vinayaka-chaturthi?on=2006-03-03",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-03-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5518,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-03-02T17:11:28+03:00",
          "utc": "2006-03-02T14:11:28Z",
          "ms": 1141308687750.6458
        },
        "end": {
          "local": "2006-03-03T14:37:59+03:00",
          "utc": "2006-03-03T11:37:59Z",
          "ms": 1141385879186.1265
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-03-02T17:11:28+03:00",
          "utc": "2006-03-02T14:11:28Z",
          "ms": 1141308687750.6458
        },
        "end": {
          "local": "2006-03-03T14:37:59+03:00",
          "utc": "2006-03-03T11:37:59Z",
          "ms": 1141385879186.1265
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-03-02",
          "window": {
            "start": {
              "local": "2006-03-02T12:18:14+03:00",
              "utc": "2006-03-02T09:18:14Z",
              "ms": 1141291093585.3
            },
            "end": {
              "local": "2006-03-02T13:06:14+03:00",
              "utc": "2006-03-02T10:06:14Z",
              "ms": 1141293973585.3
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-03-03",
          "window": {
            "start": {
              "local": "2006-03-03T12:18:02+03:00",
              "utc": "2006-03-03T09:18:02Z",
              "ms": 1141377481542.3315
            },
            "end": {
              "local": "2006-03-03T13:06:02+03:00",
              "utc": "2006-03-03T10:06:02Z",
              "ms": 1141380361542.3315
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 17:11 on Thu 2 Mar to 14:38 on Fri 3 Mar.",
          "fact": "2006-03-02T14:11:28Z → 2006-03-03T11:37:59Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:18–13:06 on the 2nd, 12:18–13:06 on the 3rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 5518 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Moscow, 2006: Friday 3 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": "2006-03-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-03-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Vināyaka Caturthī 2006 falls on Friday 3 March. Caturthī runs from 17:11 on Thu 2 Mar to 14:38 on Fri 3 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/vinayaka-chaturthi?on=2006-03-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/ekadashi?on=2006-03-10",
      "festival": "ekadashi",
      "name": "Āmalakī Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-03-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26049,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-03-09T14:15:42+03:00",
          "utc": "2006-03-09T11:15:42Z",
          "ms": 1141902942218.4697
        },
        "end": {
          "local": "2006-03-10T16:22:38+03:00",
          "utc": "2006-03-10T13:22:38Z",
          "ms": 1141996958415.5374
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-03-09T14:15:42+03:00",
          "utc": "2006-03-09T11:15:42Z",
          "ms": 1141902942218.4697
        },
        "end": {
          "local": "2006-03-10T16:22:38+03:00",
          "utc": "2006-03-10T13:22:38Z",
          "ms": 1141996958415.5374
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-03-09",
          "window": {
            "start": {
              "local": "2006-03-09T07:01:33+03:00",
              "utc": "2006-03-09T04:01:33Z",
              "ms": 1141876893234.0525
            },
            "end": {
              "local": "2006-03-09T07:01:33+03:00",
              "utc": "2006-03-09T04:01:33Z",
              "ms": 1141876893234.0525
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2006-03-10",
          "window": {
            "start": {
              "local": "2006-03-10T06:58:59+03:00",
              "utc": "2006-03-10T03:58:59Z",
              "ms": 1141963139183.5024
            },
            "end": {
              "local": "2006-03-10T06:58:59+03:00",
              "utc": "2006-03-10T03:58:59Z",
              "ms": 1141963139183.5024
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 14:16 on Thu 9 Mar to 16:23 on Fri 10 Mar.",
          "fact": "2006-03-09T11:15:42Z → 2006-03-10T13:22:38Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:02 on the 9th and 06:59 on the 10th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 9th and is on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 26049 s"
        },
        {
          "step": "ruling",
          "text": "Āmalakī Ekādaśī, Moscow, 2006: Friday 10 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": "2006-03-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-03-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Āmalakī Ekādaśī 2006 falls on Friday 10 March. Ekādaśī runs from 14:16 on Thu 9 Mar to 16:23 on Fri 10 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-03-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/pradosha-vrata?on=2006-03-12",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-03-12",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1463,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-03-11T18:48:17+03:00",
          "utc": "2006-03-11T15:48:17Z",
          "ms": 1142092096773.757
        },
        "end": {
          "local": "2006-03-12T21:24:01+03:00",
          "utc": "2006-03-12T18:24:01Z",
          "ms": 1142187841357.5588
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-03-11T18:48:17+03:00",
          "utc": "2006-03-11T15:48:17Z",
          "ms": 1142092096773.757
        },
        "end": {
          "local": "2006-03-12T21:24:01+03:00",
          "utc": "2006-03-12T18:24:01Z",
          "ms": 1142187841357.5588
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-03-11",
          "window": {
            "start": {
              "local": "2006-03-11T18:23:54+03:00",
              "utc": "2006-03-11T15:23:54Z",
              "ms": 1142090633751.5515
            },
            "end": {
              "local": "2006-03-11T20:03:53+03:00",
              "utc": "2006-03-11T17:03:53Z",
              "ms": 1142096633238.0247
            }
          },
          "covered_min": 76,
          "window_min": 100,
          "qualifies": true
        },
        {
          "local_date": "2006-03-12",
          "window": {
            "start": {
              "local": "2006-03-12T18:25:57+03:00",
              "utc": "2006-03-12T15:25:57Z",
              "ms": 1142177157128.474
            },
            "end": {
              "local": "2006-03-12T20:05:19+03:00",
              "utc": "2006-03-12T17:05:19Z",
              "ms": 1142183119475.1843
            }
          },
          "covered_min": 99,
          "window_min": 99,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 18:48 on Sat 11 Mar to 21:24 on Sun 12 Mar.",
          "fact": "2006-03-11T15:48:17Z → 2006-03-12T18:24:01Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:24–20:04 on the 11th, 18:26–20:05 on the 12th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 76 of 100 minutes on the 11th and 99 of 99 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 1463 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Moscow, 2006: Sunday 12 March.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-03-12",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-03-12",
          "confidence": "boundary"
        }
      ],
      "quote": "In Moscow, Śukla Pradoṣa Vrata 2006 falls on Sunday 12 March. Trayodaśī runs from 18:48 on Sat 11 Mar to 21:24 on Sun 12 Mar and covers all of pradoṣa that evening. It also reaches the previous evening for 76 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/moscow/festivals/2006/pradosha-vrata?on=2006-03-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/holika-dahana",
      "festival": "holika-dahana",
      "name": "Holikā Dahana",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-03-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20042,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2006-03-14T00:02:02+03:00",
          "utc": "2006-03-13T21:02:02Z",
          "ms": 1142283722192.5793
        },
        "end": {
          "local": "2006-03-15T02:35:26+03:00",
          "utc": "2006-03-14T23:35:26Z",
          "ms": 1142379325989.498
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-03-14T00:02:02+03:00",
          "utc": "2006-03-13T21:02:02Z",
          "ms": 1142283722192.5793
        },
        "end": {
          "local": "2006-03-15T02:35:26+03:00",
          "utc": "2006-03-14T23:35:26Z",
          "ms": 1142379325989.498
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2006-03-13",
          "window": {
            "start": {
              "local": "2006-03-13T16:08:39+03:00",
              "utc": "2006-03-13T13:08:39Z",
              "ms": 1142255319141.769
            },
            "end": {
              "local": "2006-03-13T18:28:00+03:00",
              "utc": "2006-03-13T15:28:00Z",
              "ms": 1142263680245.0112
            }
          },
          "covered_min": 0,
          "window_min": 139,
          "qualifies": false
        },
        {
          "local_date": "2006-03-14",
          "window": {
            "start": {
              "local": "2006-03-14T16:09:46+03:00",
              "utc": "2006-03-14T13:09:46Z",
              "ms": 1142341786342.0996
            },
            "end": {
              "local": "2006-03-14T18:30:03+03:00",
              "utc": "2006-03-14T15:30:03Z",
              "ms": 1142350203116.4785
            }
          },
          "covered_min": 140,
          "window_min": 140,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 00:02 on Tue 14 Mar to 02:35 on Wed 15 Mar.",
          "fact": "2006-03-13T21:02:02Z → 2006-03-14T23:35:26Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:09–18:28 on the 13th, 16:10–18:30 on the 14th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 139 minutes on the 13th and 140 of 140 on the 14th.",
          "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 20042 s"
        },
        {
          "step": "ruling",
          "text": "Holikā Dahana, Moscow, 2006: Tuesday 14 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": "2006-03-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-03-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Holikā Dahana 2006 falls on Tuesday 14 March. Pūrṇimā runs from 00:02 on Tue 14 Mar to 02:35 on Wed 15 Mar and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/holi",
      "festival": "holi",
      "name": "Holī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-03-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20042,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2006-03-14T00:02:02+03:00",
          "utc": "2006-03-13T21:02:02Z",
          "ms": 1142283722192.5793
        },
        "end": {
          "local": "2006-03-15T02:35:26+03:00",
          "utc": "2006-03-14T23:35:26Z",
          "ms": 1142379325989.498
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-03-14T00:02:02+03:00",
          "utc": "2006-03-13T21:02:02Z",
          "ms": 1142283722192.5793
        },
        "end": {
          "local": "2006-03-15T02:35:26+03:00",
          "utc": "2006-03-14T23:35:26Z",
          "ms": 1142379325989.498
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2006-03-13",
          "window": {
            "start": {
              "local": "2006-03-13T16:08:39+03:00",
              "utc": "2006-03-13T13:08:39Z",
              "ms": 1142255319141.769
            },
            "end": {
              "local": "2006-03-13T18:28:00+03:00",
              "utc": "2006-03-13T15:28:00Z",
              "ms": 1142263680245.0112
            }
          },
          "covered_min": 0,
          "window_min": 139,
          "qualifies": false
        },
        {
          "local_date": "2006-03-14",
          "window": {
            "start": {
              "local": "2006-03-14T16:09:46+03:00",
              "utc": "2006-03-14T13:09:46Z",
              "ms": 1142341786342.0996
            },
            "end": {
              "local": "2006-03-14T18:30:03+03:00",
              "utc": "2006-03-14T15:30:03Z",
              "ms": 1142350203116.4785
            }
          },
          "covered_min": 140,
          "window_min": 140,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "holika-dahana",
        "name": "Holikā Dahana",
        "local_date": "2006-03-14",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 00:02 on Tue 14 Mar to 02:35 on Wed 15 Mar.",
          "fact": "2006-03-13T21:02:02Z → 2006-03-14T23:35:26Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:09–18:28 on the 13th, 16:10–18:30 on the 14th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 139 minutes on the 13th and 140 of 140 on the 14th.",
          "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 20042 s"
        },
        {
          "step": "counted",
          "text": "Holī is kept the day after Holikā Dahana: Tuesday 14 March is the day taken above.",
          "fact": "follows: holika-dahana + 1 d"
        },
        {
          "step": "ruling",
          "text": "Holī, Moscow, 2006: Wednesday 15 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": "2006-03-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-03-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Holī 2006 falls on Wednesday 15 March. It is kept the day after Holikā Dahana, which falls on Tuesday 14 March. Pūrṇimā runs from 00:02 on Tue 14 Mar to 02:35 on Wed 15 Mar and covers all of sāyāhna on the 14th.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/vasantotsava",
      "festival": "vasantotsava",
      "name": "Vasantotsava",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-03-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6320,
      "anga": {
        "type": "tithi",
        "index": 15,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2006-03-15T02:35:26+03:00",
          "utc": "2006-03-14T23:35:26Z",
          "ms": 1142379325989.498
        },
        "end": {
          "local": "2006-03-16T04:58:07+03:00",
          "utc": "2006-03-16T01:58:07Z",
          "ms": 1142474287416.334
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-03-15T02:35:26+03:00",
          "utc": "2006-03-14T23:35:26Z",
          "ms": 1142379325989.498
        },
        "end": {
          "local": "2006-03-16T04:58:07+03:00",
          "utc": "2006-03-16T01:58:07Z",
          "ms": 1142474287416.334
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-03-15",
          "window": {
            "start": {
              "local": "2006-03-15T06:46:03+03:00",
              "utc": "2006-03-15T03:46:03Z",
              "ms": 1142394363477.6047
            },
            "end": {
              "local": "2006-03-15T06:46:03+03:00",
              "utc": "2006-03-15T03:46:03Z",
              "ms": 1142394363477.6047
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2006-03-16",
          "window": {
            "start": {
              "local": "2006-03-16T06:43:27+03:00",
              "utc": "2006-03-16T03:43:27Z",
              "ms": 1142480607456.0315
            },
            "end": {
              "local": "2006-03-16T06:43:27+03:00",
              "utc": "2006-03-16T03:43:27Z",
              "ms": 1142480607456.0315
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 02:35 on Wed 15 Mar to 04:58 on Thu 16 Mar.",
          "fact": "2006-03-14T23:35:26Z → 2006-03-16T01:58:07Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:46 on the 15th and 06:43 on the 16th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be current at sunrise. It is on the 15th and is not on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 6320 s"
        },
        {
          "step": "ruling",
          "text": "Vasantotsava, Moscow, 2006: Wednesday 15 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vasantotsava",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 1 Vasantotsava (current at sunrise, if occurs on two successive days, it is to be observed on the first day)."
          }
        ],
        "kaala": "sunrise",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-03-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-03-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Vasantotsava 2006 falls on Wednesday 15 March. Pratipadā runs from 02:35 on Wed 15 Mar to 04:58 on Thu 16 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/sankashta-chaturthi?on=2006-03-18",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-03-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 39299,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-03-18T08:49:19+03:00",
          "utc": "2006-03-18T05:49:19Z",
          "ms": 1142660958571.891
        },
        "end": {
          "local": "2006-03-19T10:07:21+03:00",
          "utc": "2006-03-19T07:07:21Z",
          "ms": 1142752041273.1975
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-03-18T08:49:19+03:00",
          "utc": "2006-03-18T05:49:19Z",
          "ms": 1142660958571.891
        },
        "end": {
          "local": "2006-03-19T10:07:21+03:00",
          "utc": "2006-03-19T07:07:21Z",
          "ms": 1142752041273.1975
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2006-03-17",
          "window": {
            "start": {
              "local": "2006-03-17T21:49:35+03:00",
              "utc": "2006-03-17T18:49:35Z",
              "ms": 1142621375308.8582
            },
            "end": {
              "local": "2006-03-17T21:49:35+03:00",
              "utc": "2006-03-17T18:49:35Z",
              "ms": 1142621375308.8582
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2006-03-18",
          "window": {
            "start": {
              "local": "2006-03-18T23:12:22+03:00",
              "utc": "2006-03-18T20:12:22Z",
              "ms": 1142712742135.836
            },
            "end": {
              "local": "2006-03-18T23:12:22+03:00",
              "utc": "2006-03-18T20:12:22Z",
              "ms": 1142712742135.836
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 08:49 on Sat 18 Mar to 10:07 on Sun 19 Mar.",
          "fact": "2006-03-18T05:49:19Z → 2006-03-19T07:07:21Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:50 on the 17th and 23:12 on the 18th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 17th and is on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 39299 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Moscow, 2006: Saturday 18 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-03-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-03-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Saṅkaṣṭa Caturthī 2006 falls on Saturday 18 March. Caturthī runs from 08:49 on Sat 18 Mar to 10:07 on Sun 19 Mar and is current at moonrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/sankashta-chaturthi?on=2006-03-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/shitalashtami",
      "festival": "shitalashtami",
      "name": "Śītalāṣṭamī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-03-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5678,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2006-03-22T10:38:26+03:00",
          "utc": "2006-03-22T07:38:26Z",
          "ms": 1143013105783.14
        },
        "end": {
          "local": "2006-03-23T09:32:57+03:00",
          "utc": "2006-03-23T06:32:57Z",
          "ms": 1143095576656.6763
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-03-22T10:38:26+03:00",
          "utc": "2006-03-22T07:38:26Z",
          "ms": 1143013105783.14
        },
        "end": {
          "local": "2006-03-23T09:32:57+03:00",
          "utc": "2006-03-23T06:32:57Z",
          "ms": 1143095576656.6763
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-03-22",
          "window": {
            "start": {
              "local": "2006-03-22T12:13:03+03:00",
              "utc": "2006-03-22T09:13:03Z",
              "ms": 1143018783481.2217
            },
            "end": {
              "local": "2006-03-22T13:01:03+03:00",
              "utc": "2006-03-22T10:01:03Z",
              "ms": 1143021663481.2217
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-03-23",
          "window": {
            "start": {
              "local": "2006-03-23T12:12:46+03:00",
              "utc": "2006-03-23T09:12:46Z",
              "ms": 1143105165703.5728
            },
            "end": {
              "local": "2006-03-23T13:00:46+03:00",
              "utc": "2006-03-23T10:00:46Z",
              "ms": 1143108045703.5728
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 10:38 on Wed 22 Mar to 09:33 on Thu 23 Mar.",
          "fact": "2006-03-22T07:38:26Z → 2006-03-23T06:32:57Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 22nd, 12:13–13:01 on the 23rd.",
          "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 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 5678 s"
        },
        {
          "step": "ruling",
          "text": "Śītalāṣṭamī, Moscow, 2006: Wednesday 22 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": "2006-03-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-03-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Śītalāṣṭamī 2006 falls on Wednesday 22 March. Aṣṭamī runs from 10:38 on Wed 22 Mar to 09:33 on Thu 23 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/ekadashi?on=2006-03-25",
      "festival": "ekadashi",
      "name": "Pāpamocanī Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-03-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2844,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-03-25T05:32:32+03:00",
          "utc": "2006-03-25T02:32:32Z",
          "ms": 1143253952182.391
        },
        "end": {
          "local": "2006-03-26T03:45:56+04:00",
          "utc": "2006-03-25T23:45:56Z",
          "ms": 1143330355772.7292
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-03-25T05:32:32+03:00",
          "utc": "2006-03-25T02:32:32Z",
          "ms": 1143253952182.391
        },
        "end": {
          "local": "2006-03-26T03:45:56+04:00",
          "utc": "2006-03-25T23:45:56Z",
          "ms": 1143330355772.7292
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-03-25",
          "window": {
            "start": {
              "local": "2006-03-25T06:19:57+03:00",
              "utc": "2006-03-25T03:19:57Z",
              "ms": 1143256796560.7974
            },
            "end": {
              "local": "2006-03-25T06:19:57+03:00",
              "utc": "2006-03-25T03:19:57Z",
              "ms": 1143256796560.7974
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2006-03-26",
          "window": {
            "start": {
              "local": "2006-03-26T07:17:20+04:00",
              "utc": "2006-03-26T03:17:20Z",
              "ms": 1143343039577.419
            },
            "end": {
              "local": "2006-03-26T07:17:20+04:00",
              "utc": "2006-03-26T03:17:20Z",
              "ms": 1143343039577.419
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 05:33 on Sat 25 Mar to 03:46 on Sun 26 Mar.",
          "fact": "2006-03-25T02:32:32Z → 2006-03-25T23:45:56Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:20 on the 25th and 07:17 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 2844 s"
        },
        {
          "step": "ruling",
          "text": "Pāpamocanī Ekādaśī, Moscow, 2006: Saturday 25 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": "2006-03-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-03-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Pāpamocanī Ekādaśī 2006 falls on Saturday 25 March. Ekādaśī runs from 05:33 on Sat 25 Mar to 03:46 on Sun 26 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-03-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/pradosha-vrata?on=2006-03-27",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-03-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 832,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-03-27T00:36:42+04:00",
          "utc": "2006-03-26T20:36:42Z",
          "ms": 1143405401991.8667
        },
        "end": {
          "local": "2006-03-27T21:12:39+04:00",
          "utc": "2006-03-27T17:12:39Z",
          "ms": 1143479559123.0244
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-03-27T00:36:42+04:00",
          "utc": "2006-03-26T20:36:42Z",
          "ms": 1143405401991.8667
        },
        "end": {
          "local": "2006-03-27T21:12:39+04:00",
          "utc": "2006-03-27T17:12:39Z",
          "ms": 1143479559123.0244
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-03-26",
          "window": {
            "start": {
              "local": "2006-03-26T19:54:25+04:00",
              "utc": "2006-03-26T15:54:25Z",
              "ms": 1143388464671.6255
            },
            "end": {
              "local": "2006-03-26T21:25:07+04:00",
              "utc": "2006-03-26T17:25:07Z",
              "ms": 1143393907069.5579
            }
          },
          "covered_min": 0,
          "window_min": 91,
          "qualifies": false
        },
        {
          "local_date": "2006-03-27",
          "window": {
            "start": {
              "local": "2006-03-27T19:56:26+04:00",
              "utc": "2006-03-27T15:56:26Z",
              "ms": 1143474985832.0974
            },
            "end": {
              "local": "2006-03-27T21:26:31+04:00",
              "utc": "2006-03-27T17:26:31Z",
              "ms": 1143480391164.4153
            }
          },
          "covered_min": 76,
          "window_min": 90,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 00:37 on Mon 27 Mar to 21:13 on Mon 27 Mar.",
          "fact": "2006-03-26T20:36:42Z → 2006-03-27T17:12:39Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:54–21:25 on the 26th, 19:56–21:27 on the 27th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 26th and 76 of 90 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 832 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2006: Monday 27 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": "2006-03-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-03-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2006 falls on Monday 27 March. Trayodaśī runs from 00:37 on Mon 27 Mar to 21:13 on Mon 27 Mar and covers 76 of 90 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/pradosha-vrata?on=2006-03-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/shivaratri?on=2006-03-27",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-03-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14257,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2006-03-27T21:12:39+04:00",
          "utc": "2006-03-27T17:12:39Z",
          "ms": 1143479559123.0244
        },
        "end": {
          "local": "2006-03-28T17:42:26+04:00",
          "utc": "2006-03-28T13:42:26Z",
          "ms": 1143553346262.0764
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-03-27T21:12:39+04:00",
          "utc": "2006-03-27T17:12:39Z",
          "ms": 1143479559123.0244
        },
        "end": {
          "local": "2006-03-28T17:42:26+04:00",
          "utc": "2006-03-28T13:42:26Z",
          "ms": 1143553346262.0764
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2006-03-27",
          "window": {
            "start": {
              "local": "2006-03-28T01:10:16+04:00",
              "utc": "2006-03-27T21:10:16Z",
              "ms": 1143493815828.2896
            },
            "end": {
              "local": "2006-03-28T01:58:16+04:00",
              "utc": "2006-03-27T21:58:16Z",
              "ms": 1143496695828.2896
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-03-28",
          "window": {
            "start": {
              "local": "2006-03-29T01:09:58+04:00",
              "utc": "2006-03-28T21:09:58Z",
              "ms": 1143580198023.713
            },
            "end": {
              "local": "2006-03-29T01:57:58+04:00",
              "utc": "2006-03-28T21:57:58Z",
              "ms": 1143583078023.713
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 21:13 on Mon 27 Mar to 17:42 on Tue 28 Mar.",
          "fact": "2006-03-27T17:12:39Z → 2006-03-28T13:42:26Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:10–01:58 on the 27th, 01:10–01:58 on the 28th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 14257 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Moscow, 2006: Monday 27 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": "2006-03-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-03-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Śivarātri 2006 falls on Monday 27 March. Caturdaśī runs from 21:13 on Mon 27 Mar to 17:42 on Tue 28 Mar and covers all of niśītha that night.",
      "cite": "https://ahargana.org/moscow/festivals/2006/shivaratri?on=2006-03-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/navaratra-arambha-caitra",
      "festival": "navaratra-arambha-caitra",
      "name": "Navarātrārambha (Caitra)",
      "everyday": "Chaitra Navratri",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-03-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 976,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2006-03-29T14:15:15+04:00",
          "utc": "2006-03-29T10:15:15Z",
          "ms": 1143627314709.0813
        },
        "end": {
          "local": "2006-03-30T11:00:30+04:00",
          "utc": "2006-03-30T07:00:30Z",
          "ms": 1143702030045.1692
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-03-29T14:15:15+04:00",
          "utc": "2006-03-29T10:15:15Z",
          "ms": 1143627314709.0813
        },
        "end": {
          "local": "2006-03-30T11:00:30+04:00",
          "utc": "2006-03-30T07:00:30Z",
          "ms": 1143702030045.1692
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-03-29",
          "window": {
            "start": {
              "local": "2006-03-29T13:10:59+04:00",
              "utc": "2006-03-29T09:10:59Z",
              "ms": 1143623458551.4678
            },
            "end": {
              "local": "2006-03-29T13:58:59+04:00",
              "utc": "2006-03-29T09:58:59Z",
              "ms": 1143626338551.4678
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-03-30",
          "window": {
            "start": {
              "local": "2006-03-30T13:10:41+04:00",
              "utc": "2006-03-30T09:10:41Z",
              "ms": 1143709840769.4453
            },
            "end": {
              "local": "2006-03-30T13:58:41+04:00",
              "utc": "2006-03-30T09:58:41Z",
              "ms": 1143712720769.4453
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 14:15 on Wed 29 Mar to 11:01 on Thu 30 Mar.",
          "fact": "2006-03-29T10:15:15Z → 2006-03-30T07:00:30Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:11–13:59 on the 29th, 13:11–13:59 on the 30th.",
          "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 29th and 0 of 48 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: paraviddha → second-day · margin 976 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha (Caitra), Moscow, 2006: Thursday 30 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": "2006-03-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-03-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Navarātrārambha (Caitra) (Chaitra Navratri) 2006 falls on Thursday 30 March. Pratipadā runs from 14:15 on Wed 29 Mar to 11:01 on Thu 30 Mar, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/gauri-tritiya",
      "festival": "gauri-tritiya",
      "name": "Gaurī Tṛtīyā",
      "everyday": "Gangaur",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-03-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18171,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2006-03-31T08:07:32+04:00",
          "utc": "2006-03-31T04:07:32Z",
          "ms": 1143778052342.6567
        },
        "end": {
          "local": "2006-04-01T05:45:11+04:00",
          "utc": "2006-04-01T01:45:11Z",
          "ms": 1143855911207.38
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-03-31T08:07:32+04:00",
          "utc": "2006-03-31T04:07:32Z",
          "ms": 1143778052342.6567
        },
        "end": {
          "local": "2006-04-01T05:45:11+04:00",
          "utc": "2006-04-01T01:45:11Z",
          "ms": 1143855911207.38
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-03-31",
          "window": {
            "start": {
              "local": "2006-03-31T13:10:23+04:00",
              "utc": "2006-03-31T09:10:23Z",
              "ms": 1143796223049.9763
            },
            "end": {
              "local": "2006-03-31T13:58:23+04:00",
              "utc": "2006-03-31T09:58:23Z",
              "ms": 1143799103049.9763
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-04-01",
          "window": {
            "start": {
              "local": "2006-04-01T13:10:05+04:00",
              "utc": "2006-04-01T09:10:05Z",
              "ms": 1143882605408.1465
            },
            "end": {
              "local": "2006-04-01T13:58:05+04:00",
              "utc": "2006-04-01T09:58:05Z",
              "ms": 1143885485408.1465
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 08:08 on Fri 31 Mar to 05:45 on Sat 1 Apr.",
          "fact": "2006-03-31T04:07:32Z → 2006-04-01T01:45:11Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:10–13:58 on the 31st, 13:10–13:58 on the 1st.",
          "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 31st and 0 of 48 on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 18171 s"
        },
        {
          "step": "ruling",
          "text": "Gaurī Tṛtīyā, Moscow, 2006: Friday 31 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": "2006-03-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-03-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Gaurī Tṛtīyā (Gangaur) 2006 falls on Friday 31 March. Tṛtīyā runs from 08:08 on Fri 31 Mar to 05:45 on Sat 1 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/saubhagya-shayana-vrata",
      "festival": "saubhagya-shayana-vrata",
      "name": "Saubhāgya Śayana Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-03-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18171,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2006-03-31T08:07:32+04:00",
          "utc": "2006-03-31T04:07:32Z",
          "ms": 1143778052342.6567
        },
        "end": {
          "local": "2006-04-01T05:45:11+04:00",
          "utc": "2006-04-01T01:45:11Z",
          "ms": 1143855911207.38
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-03-31T08:07:32+04:00",
          "utc": "2006-03-31T04:07:32Z",
          "ms": 1143778052342.6567
        },
        "end": {
          "local": "2006-04-01T05:45:11+04:00",
          "utc": "2006-04-01T01:45:11Z",
          "ms": 1143855911207.38
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-03-31",
          "window": {
            "start": {
              "local": "2006-03-31T13:10:23+04:00",
              "utc": "2006-03-31T09:10:23Z",
              "ms": 1143796223049.9763
            },
            "end": {
              "local": "2006-03-31T13:58:23+04:00",
              "utc": "2006-03-31T09:58:23Z",
              "ms": 1143799103049.9763
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-04-01",
          "window": {
            "start": {
              "local": "2006-04-01T13:10:05+04:00",
              "utc": "2006-04-01T09:10:05Z",
              "ms": 1143882605408.1465
            },
            "end": {
              "local": "2006-04-01T13:58:05+04:00",
              "utc": "2006-04-01T09:58:05Z",
              "ms": 1143885485408.1465
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 08:08 on Fri 31 Mar to 05:45 on Sat 1 Apr.",
          "fact": "2006-03-31T04:07:32Z → 2006-04-01T01:45:11Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:10–13:58 on the 31st, 13:10–13:58 on the 1st.",
          "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 31st and 0 of 48 on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 18171 s"
        },
        {
          "step": "ruling",
          "text": "Saubhāgya Śayana Vrata, Moscow, 2006: Friday 31 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": "2006-03-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-03-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Saubhāgya Śayana Vrata 2006 falls on Friday 31 March. Tṛtīyā runs from 08:08 on Fri 31 Mar to 05:45 on Sat 1 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/vinayaka-chaturthi?on=2006-04-01",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-04-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26694,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-04-01T05:45:11+04:00",
          "utc": "2006-04-01T01:45:11Z",
          "ms": 1143855911207.38
        },
        "end": {
          "local": "2006-04-02T04:01:13+04:00",
          "utc": "2006-04-02T00:01:13Z",
          "ms": 1143936072626.1462
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-04-01T05:45:11+04:00",
          "utc": "2006-04-01T01:45:11Z",
          "ms": 1143855911207.38
        },
        "end": {
          "local": "2006-04-02T04:01:13+04:00",
          "utc": "2006-04-02T00:01:13Z",
          "ms": 1143936072626.1462
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-04-01",
          "window": {
            "start": {
              "local": "2006-04-01T13:10:05+04:00",
              "utc": "2006-04-01T09:10:05Z",
              "ms": 1143882605408.1465
            },
            "end": {
              "local": "2006-04-01T13:58:05+04:00",
              "utc": "2006-04-01T09:58:05Z",
              "ms": 1143885485408.1465
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-04-02",
          "window": {
            "start": {
              "local": "2006-04-02T13:09:48+04:00",
              "utc": "2006-04-02T09:09:48Z",
              "ms": 1143968987859.7227
            },
            "end": {
              "local": "2006-04-02T13:57:48+04:00",
              "utc": "2006-04-02T09:57:48Z",
              "ms": 1143971867859.7227
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 05:45 on Sat 1 Apr to 04:01 on Sun 2 Apr.",
          "fact": "2006-04-01T01:45:11Z → 2006-04-02T00:01:13Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:10–13:58 on the 1st, 13:10–13:58 on the 2nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 26694 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Moscow, 2006: Saturday 1 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": "2006-04-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-04-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Vināyaka Caturthī 2006 falls on Saturday 1 April. Caturthī runs from 05:45 on Sat 1 Apr to 04:01 on Sun 2 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/vinayaka-chaturthi?on=2006-04-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/lakshmi-panchami",
      "festival": "lakshmi-panchami",
      "name": "Lakṣmī Pañcamī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-04-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32915,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2006-04-02T04:01:13+04:00",
          "utc": "2006-04-02T00:01:13Z",
          "ms": 1143936072626.1462
        },
        "end": {
          "local": "2006-04-03T03:01:36+04:00",
          "utc": "2006-04-02T23:01:36Z",
          "ms": 1144018896419.1306
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-04-02T04:01:13+04:00",
          "utc": "2006-04-02T00:01:13Z",
          "ms": 1143936072626.1462
        },
        "end": {
          "local": "2006-04-03T03:01:36+04:00",
          "utc": "2006-04-02T23:01:36Z",
          "ms": 1144018896419.1306
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-04-02",
          "window": {
            "start": {
              "local": "2006-04-02T13:09:48+04:00",
              "utc": "2006-04-02T09:09:48Z",
              "ms": 1143968987859.7227
            },
            "end": {
              "local": "2006-04-02T13:57:48+04:00",
              "utc": "2006-04-02T09:57:48Z",
              "ms": 1143971867859.7227
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-04-03",
          "window": {
            "start": {
              "local": "2006-04-03T13:09:30+04:00",
              "utc": "2006-04-03T09:09:30Z",
              "ms": 1144055370421.2964
            },
            "end": {
              "local": "2006-04-03T13:57:30+04:00",
              "utc": "2006-04-03T09:57:30Z",
              "ms": 1144058250421.2964
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 04:01 on Sun 2 Apr to 03:02 on Mon 3 Apr.",
          "fact": "2006-04-02T00:01:13Z → 2006-04-02T23:01:36Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:10–13:58 on the 2nd, 13:10–13:58 on the 3rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 32915 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pañcamī, Moscow, 2006: Sunday 2 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "lakshmi-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-04-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-04-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Lakṣmī Pañcamī 2006 falls on Sunday 2 April. Pañcamī runs from 04:01 on Sun 2 Apr to 03:02 on Mon 3 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/bhavani-utpatti",
      "festival": "bhavani-utpatti",
      "name": "Bhavānī Utpatti",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-04-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30174,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2006-04-05T03:25:47+04:00",
          "utc": "2006-04-04T23:25:47Z",
          "ms": 1144193146736.9265
        },
        "end": {
          "local": "2006-04-06T04:45:45+04:00",
          "utc": "2006-04-06T00:45:45Z",
          "ms": 1144284345352.2634
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-04-05T03:25:47+04:00",
          "utc": "2006-04-04T23:25:47Z",
          "ms": 1144193146736.9265
        },
        "end": {
          "local": "2006-04-06T04:45:45+04:00",
          "utc": "2006-04-06T00:45:45Z",
          "ms": 1144284345352.2634
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-04-05",
          "window": {
            "start": {
              "local": "2006-04-05T13:08:56+04:00",
              "utc": "2006-04-05T09:08:56Z",
              "ms": 1144228135944.3145
            },
            "end": {
              "local": "2006-04-05T13:56:56+04:00",
              "utc": "2006-04-05T09:56:56Z",
              "ms": 1144231015944.3145
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-04-06",
          "window": {
            "start": {
              "local": "2006-04-06T13:08:39+04:00",
              "utc": "2006-04-06T09:08:39Z",
              "ms": 1144314518942.003
            },
            "end": {
              "local": "2006-04-06T13:56:39+04:00",
              "utc": "2006-04-06T09:56:39Z",
              "ms": 1144317398942.003
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 03:26 on Wed 5 Apr to 04:46 on Thu 6 Apr.",
          "fact": "2006-04-04T23:25:47Z → 2006-04-06T00:45:45Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:09–13:57 on the 5th, 13:09–13:57 on the 6th.",
          "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 5th and 0 of 48 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 30174 s"
        },
        {
          "step": "ruling",
          "text": "Bhavānī Utpatti, Moscow, 2006: Wednesday 5 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bhavani-utpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-04-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-04-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Bhavānī Utpatti 2006 falls on Wednesday 5 April. Aṣṭamī runs from 03:26 on Wed 5 Apr to 04:46 on Thu 6 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/rama-navami",
      "festival": "rama-navami",
      "name": "Rāma Navamī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-04-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23178,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2006-04-06T04:45:45+04:00",
          "utc": "2006-04-06T00:45:45Z",
          "ms": 1144284345352.2634
        },
        "end": {
          "local": "2006-04-07T06:42:05+04:00",
          "utc": "2006-04-07T02:42:05Z",
          "ms": 1144377724583.7507
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-04-06T04:45:45+04:00",
          "utc": "2006-04-06T00:45:45Z",
          "ms": 1144284345352.2634
        },
        "end": {
          "local": "2006-04-07T06:42:05+04:00",
          "utc": "2006-04-07T02:42:05Z",
          "ms": 1144377724583.7507
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-04-06",
          "window": {
            "start": {
              "local": "2006-04-06T13:08:39+04:00",
              "utc": "2006-04-06T09:08:39Z",
              "ms": 1144314518942.003
            },
            "end": {
              "local": "2006-04-06T13:56:39+04:00",
              "utc": "2006-04-06T09:56:39Z",
              "ms": 1144317398942.003
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-04-07",
          "window": {
            "start": {
              "local": "2006-04-07T13:08:22+04:00",
              "utc": "2006-04-07T09:08:22Z",
              "ms": 1144400902121.8638
            },
            "end": {
              "local": "2006-04-07T13:56:22+04:00",
              "utc": "2006-04-07T09:56:22Z",
              "ms": 1144403782121.8638
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 04:46 on Thu 6 Apr to 06:42 on Fri 7 Apr.",
          "fact": "2006-04-06T00:45:45Z → 2006-04-07T02:42:05Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:09–13:57 on the 6th, 13:08–13:56 on the 7th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 23178 s"
        },
        {
          "step": "ruling",
          "text": "Rāma Navamī, Moscow, 2006: Thursday 6 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rama-navami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti."
          }
        ],
        "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.",
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-04-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-04-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Rāma Navamī 2006 falls on Thursday 6 April. Navamī runs from 04:46 on Thu 6 Apr to 06:42 on Fri 7 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/ekadashi?on=2006-04-09",
      "festival": "ekadashi",
      "name": "Kāmadā Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-04-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8431,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-04-08T09:04:05+04:00",
          "utc": "2006-04-08T05:04:05Z",
          "ms": 1144472645385.0442
        },
        "end": {
          "local": "2006-04-09T11:39:33+04:00",
          "utc": "2006-04-09T07:39:33Z",
          "ms": 1144568373155.1165
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-04-08T09:04:05+04:00",
          "utc": "2006-04-08T05:04:05Z",
          "ms": 1144472645385.0442
        },
        "end": {
          "local": "2006-04-09T11:39:33+04:00",
          "utc": "2006-04-09T07:39:33Z",
          "ms": 1144568373155.1165
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-04-08",
          "window": {
            "start": {
              "local": "2006-04-08T06:43:34+04:00",
              "utc": "2006-04-08T02:43:34Z",
              "ms": 1144464214440.1013
            },
            "end": {
              "local": "2006-04-08T06:43:34+04:00",
              "utc": "2006-04-08T02:43:34Z",
              "ms": 1144464214440.1013
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2006-04-09",
          "window": {
            "start": {
              "local": "2006-04-09T06:41:01+04:00",
              "utc": "2006-04-09T02:41:01Z",
              "ms": 1144550460872.9785
            },
            "end": {
              "local": "2006-04-09T06:41:01+04:00",
              "utc": "2006-04-09T02:41:01Z",
              "ms": 1144550460872.9785
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 09:04 on Sat 8 Apr to 11:40 on Sun 9 Apr.",
          "fact": "2006-04-08T05:04:05Z → 2006-04-09T07:39:33Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:44 on the 8th and 06:41 on the 9th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 8th and is on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 8431 s"
        },
        {
          "step": "ruling",
          "text": "Kāmadā Ekādaśī, Moscow, 2006: Sunday 9 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": "2006-04-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-04-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Kāmadā Ekādaśī 2006 falls on Sunday 9 April. Ekādaśī runs from 09:04 on Sat 8 Apr to 11:40 on Sun 9 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-04-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/pradosha-vrata?on=2006-04-10",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-04-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13377,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-04-10T14:16:18+04:00",
          "utc": "2006-04-10T10:16:18Z",
          "ms": 1144664178059.736
        },
        "end": {
          "local": "2006-04-11T16:43:42+04:00",
          "utc": "2006-04-11T12:43:42Z",
          "ms": 1144759421829.5222
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-04-10T14:16:18+04:00",
          "utc": "2006-04-10T10:16:18Z",
          "ms": 1144664178059.736
        },
        "end": {
          "local": "2006-04-11T16:43:42+04:00",
          "utc": "2006-04-11T12:43:42Z",
          "ms": 1144759421829.5222
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-04-10",
          "window": {
            "start": {
              "local": "2006-04-10T20:24:38+04:00",
              "utc": "2006-04-10T16:24:38Z",
              "ms": 1144686278110.5676
            },
            "end": {
              "local": "2006-04-10T21:46:08+04:00",
              "utc": "2006-04-10T17:46:08Z",
              "ms": 1144691168386.4143
            }
          },
          "covered_min": 82,
          "window_min": 82,
          "qualifies": true
        },
        {
          "local_date": "2006-04-11",
          "window": {
            "start": {
              "local": "2006-04-11T20:26:39+04:00",
              "utc": "2006-04-11T16:26:39Z",
              "ms": 1144772798901.474
            },
            "end": {
              "local": "2006-04-11T21:47:33+04:00",
              "utc": "2006-04-11T17:47:33Z",
              "ms": 1144777652796.959
            }
          },
          "covered_min": 0,
          "window_min": 81,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 14:16 on Mon 10 Apr to 16:44 on Tue 11 Apr.",
          "fact": "2006-04-10T10:16:18Z → 2006-04-11T12:43:42Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 20:25–21:46 on the 10th, 20:27–21:48 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 82 of 82 minutes on the 10th and 0 of 81 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 13377 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Moscow, 2006: Monday 10 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": "2006-04-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-04-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Śukla Pradoṣa Vrata 2006 falls on Monday 10 April. Trayodaśī runs from 14:16 on Mon 10 Apr to 16:44 on Tue 11 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/pradosha-vrata?on=2006-04-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/ananga-trayodashi",
      "festival": "ananga-trayodashi",
      "name": "Anaṅga Trayodaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-04-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1245,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-04-10T14:16:18+04:00",
          "utc": "2006-04-10T10:16:18Z",
          "ms": 1144664178059.736
        },
        "end": {
          "local": "2006-04-11T16:43:42+04:00",
          "utc": "2006-04-11T12:43:42Z",
          "ms": 1144759421829.5222
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-04-10T14:16:18+04:00",
          "utc": "2006-04-10T10:16:18Z",
          "ms": 1144664178059.736
        },
        "end": {
          "local": "2006-04-11T16:43:42+04:00",
          "utc": "2006-04-11T12:43:42Z",
          "ms": 1144759421829.5222
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-04-10",
          "window": {
            "start": {
              "local": "2006-04-10T13:07:33+04:00",
              "utc": "2006-04-10T09:07:33Z",
              "ms": 1144660052942.9731
            },
            "end": {
              "local": "2006-04-10T13:55:33+04:00",
              "utc": "2006-04-10T09:55:33Z",
              "ms": 1144662932942.9731
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-04-11",
          "window": {
            "start": {
              "local": "2006-04-11T13:07:17+04:00",
              "utc": "2006-04-11T09:07:17Z",
              "ms": 1144746437040.4463
            },
            "end": {
              "local": "2006-04-11T13:55:17+04:00",
              "utc": "2006-04-11T09:55:17Z",
              "ms": 1144749317040.4463
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 14:16 on Mon 10 Apr to 16:44 on Tue 11 Apr.",
          "fact": "2006-04-10T10:16:18Z → 2006-04-11T12:43:42Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:08–13:56 on the 10th, 13:07–13:55 on the 11th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 1245 s"
        },
        {
          "step": "ruling",
          "text": "Anaṅga Trayodaśī, Moscow, 2006: Tuesday 11 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ananga-trayodashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-04-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-04-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Anaṅga Trayodaśī 2006 falls on Tuesday 11 April. Trayodaśī runs from 14:16 on Mon 10 Apr to 16:44 on Tue 11 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/vishnu-damanaka-chaturdashi",
      "festival": "vishnu-damanaka-chaturdashi",
      "name": "Viṣṇudamanaka Caturdaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-04-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10105,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2006-04-11T16:43:42+04:00",
          "utc": "2006-04-11T12:43:42Z",
          "ms": 1144759421829.5222
        },
        "end": {
          "local": "2006-04-12T18:53:30+04:00",
          "utc": "2006-04-12T14:53:30Z",
          "ms": 1144853610344.3796
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-04-11T16:43:42+04:00",
          "utc": "2006-04-11T12:43:42Z",
          "ms": 1144759421829.5222
        },
        "end": {
          "local": "2006-04-12T18:53:30+04:00",
          "utc": "2006-04-12T14:53:30Z",
          "ms": 1144853610344.3796
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-04-11",
          "window": {
            "start": {
              "local": "2006-04-11T13:07:17+04:00",
              "utc": "2006-04-11T09:07:17Z",
              "ms": 1144746437040.4463
            },
            "end": {
              "local": "2006-04-11T13:55:17+04:00",
              "utc": "2006-04-11T09:55:17Z",
              "ms": 1144749317040.4463
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-04-12",
          "window": {
            "start": {
              "local": "2006-04-12T13:07:01+04:00",
              "utc": "2006-04-12T09:07:01Z",
              "ms": 1144832821414.8367
            },
            "end": {
              "local": "2006-04-12T13:55:01+04:00",
              "utc": "2006-04-12T09:55:01Z",
              "ms": 1144835701414.8367
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 16:44 on Tue 11 Apr to 18:54 on Wed 12 Apr.",
          "fact": "2006-04-11T12:43:42Z → 2006-04-12T14:53:30Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:07–13:55 on the 11th, 13:07–13:55 on the 12th.",
          "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 11th and 48 of 48 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 10105 s"
        },
        {
          "step": "ruling",
          "text": "Viṣṇudamanaka Caturdaśī, Moscow, 2006: Wednesday 12 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vishnu-damanaka-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-04-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-04-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Viṣṇudamanaka Caturdaśī 2006 falls on Wednesday 12 April. Caturdaśī runs from 16:44 on Tue 11 Apr to 18:54 on Wed 12 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/vaishakhi",
      "festival": "vaishakhi",
      "name": "Vaiśākhī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-04-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5958,
      "anga": {
        "type": "sankranti",
        "index": 0,
        "key": "mesha",
        "name": "Meṣa",
        "start": {
          "local": "2006-04-14T04:49:02+04:00",
          "utc": "2006-04-14T00:49:02Z",
          "ms": 1144975742335.9563
        },
        "end": {
          "local": "2006-05-15T01:40:19+04:00",
          "utc": "2006-05-14T21:40:19Z",
          "ms": 1147642819495.9275
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2006-04-14T04:49:02+04:00",
          "utc": "2006-04-14T00:49:02Z",
          "ms": 1144975742335.9563
        },
        "end": {
          "local": "2006-04-14T04:49:02+04:00",
          "utc": "2006-04-14T00:49:02Z",
          "ms": 1144975742335.9563
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "2006-04-13",
          "window": {
            "start": {
              "local": "2006-04-13T06:30:52+04:00",
              "utc": "2006-04-13T02:30:52Z",
              "ms": 1144895451622.9233
            },
            "end": {
              "local": "2006-04-14T06:28:21+04:00",
              "utc": "2006-04-14T02:28:21Z",
              "ms": 1144981700728.8518
            }
          },
          "covered_min": 1,
          "window_min": 1437,
          "qualifies": true
        },
        {
          "local_date": "2006-04-14",
          "window": {
            "start": {
              "local": "2006-04-14T06:28:21+04:00",
              "utc": "2006-04-14T02:28:21Z",
              "ms": 1144981700728.8518
            },
            "end": {
              "local": "2006-04-15T06:25:50+04:00",
              "utc": "2006-04-15T02:25:50Z",
              "ms": 1145067950469.5134
            }
          },
          "covered_min": 0,
          "window_min": 1437,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Meṣa at 04:49 on Fri 14 Apr.",
          "fact": "2006-04-14T00:49:02Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 06:31 on the 13th, and from 06:28 on the 14th.",
          "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The festival is kept on the day of the transit, the day counted from sunrise. The transit falls on the 13th, not the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 106"
        },
        {
          "step": "tie_break",
          "text": "An instant falls in one day and no other. No tie-break is needed.",
          "fact": "day counted from sunrise → only-day · margin 5958 s"
        },
        {
          "step": "ruling",
          "text": "Vaiśākhī, Moscow, 2006: Thursday 13 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "vaishakhi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)."
          },
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        ],
        "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.",
        "rashi": "Meṣa",
        "day_from": "sunrise"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2006-04-14",
          "statement": "Counted from midnight",
          "reference": {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        },
        {
          "kind": "reckoning",
          "id": "sunset-rule",
          "local_date": "2006-04-14",
          "statement": "Past sunset, the next day (the Tamil rule)",
          "reference": {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        }
      ],
      "quote": "In Moscow, Vaiśākhī 2006 falls on Thursday 13 April. The Sun enters Meṣa at 04:49 on Fri 14 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 14 April.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/chaitri-purnima",
      "festival": "chaitri-purnima",
      "name": "Caitrī Pūrṇimā",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-04-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17909,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2006-04-12T18:53:30+04:00",
          "utc": "2006-04-12T14:53:30Z",
          "ms": 1144853610344.3796
        },
        "end": {
          "local": "2006-04-13T20:40:07+04:00",
          "utc": "2006-04-13T16:40:07Z",
          "ms": 1144946407067.4097
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-04-12T18:53:30+04:00",
          "utc": "2006-04-12T14:53:30Z",
          "ms": 1144853610344.3796
        },
        "end": {
          "local": "2006-04-13T20:40:07+04:00",
          "utc": "2006-04-13T16:40:07Z",
          "ms": 1144946407067.4097
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-04-12",
          "window": {
            "start": {
              "local": "2006-04-12T13:07:01+04:00",
              "utc": "2006-04-12T09:07:01Z",
              "ms": 1144832821414.8367
            },
            "end": {
              "local": "2006-04-12T13:55:01+04:00",
              "utc": "2006-04-12T09:55:01Z",
              "ms": 1144835701414.8367
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-04-13",
          "window": {
            "start": {
              "local": "2006-04-13T13:06:46+04:00",
              "utc": "2006-04-13T09:06:46Z",
              "ms": 1144919206085.1094
            },
            "end": {
              "local": "2006-04-13T13:54:46+04:00",
              "utc": "2006-04-13T09:54:46Z",
              "ms": 1144922086085.1094
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 18:54 on Wed 12 Apr to 20:40 on Thu 13 Apr.",
          "fact": "2006-04-12T14:53:30Z → 2006-04-13T16:40:07Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:07–13:55 on the 12th, 13:07–13:55 on the 13th.",
          "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 12th and 48 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 17909 s"
        },
        {
          "step": "ruling",
          "text": "Caitrī Pūrṇimā, Moscow, 2006: Thursday 13 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "chaitri-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Caitri purnima (paraviddha), Hanumat jayanti, Oli ending (Jain)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-04-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Caitrī Pūrṇimā 2006 falls on Thursday 13 April. Pūrṇimā runs from 18:54 on Wed 12 Apr to 20:40 on Thu 13 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/sankashta-chaturthi?on=2006-04-16",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-04-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5779,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-04-16T23:16:21+04:00",
          "utc": "2006-04-16T19:16:21Z",
          "ms": 1145214980543.4854
        },
        "end": {
          "local": "2006-04-17T23:12:15+04:00",
          "utc": "2006-04-17T19:12:15Z",
          "ms": 1145301135380.6548
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-04-16T23:16:21+04:00",
          "utc": "2006-04-16T19:16:21Z",
          "ms": 1145214980543.4854
        },
        "end": {
          "local": "2006-04-17T23:12:15+04:00",
          "utc": "2006-04-17T19:12:15Z",
          "ms": 1145301135380.6548
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2006-04-16",
          "window": {
            "start": {
              "local": "2006-04-17T00:52:40+04:00",
              "utc": "2006-04-16T20:52:40Z",
              "ms": 1145220759860.8933
            },
            "end": {
              "local": "2006-04-17T00:52:40+04:00",
              "utc": "2006-04-16T20:52:40Z",
              "ms": 1145220759860.8933
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2006-04-17",
          "window": {
            "start": {
              "local": "2006-04-18T02:17:34+04:00",
              "utc": "2006-04-17T22:17:34Z",
              "ms": 1145312253597.7532
            },
            "end": {
              "local": "2006-04-18T02:17:34+04:00",
              "utc": "2006-04-17T22:17:34Z",
              "ms": 1145312253597.7532
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:16 on Sun 16 Apr to 23:12 on Mon 17 Apr.",
          "fact": "2006-04-16T19:16:21Z → 2006-04-17T19:12:15Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 00:53 on the 16th and 02:18 on the 17th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 16th and is not on the 17th.",
          "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 5779 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Moscow, 2006: Sunday 16 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": "2006-04-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-04-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Saṅkaṣṭa Caturthī 2006 falls on Sunday 16 April. Caturthī runs from 23:16 on Sun 16 Apr to 23:12 on Mon 17 Apr and is current at moonrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/sankashta-chaturthi?on=2006-04-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/ekadashi?on=2006-04-24",
      "festival": "ekadashi",
      "name": "Varūthinī Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-04-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18382,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-04-23T13:53:44+04:00",
          "utc": "2006-04-23T09:53:44Z",
          "ms": 1145786024470.858
        },
        "end": {
          "local": "2006-04-24T11:10:15+04:00",
          "utc": "2006-04-24T07:10:15Z",
          "ms": 1145862614857.18
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-04-23T13:53:44+04:00",
          "utc": "2006-04-23T09:53:44Z",
          "ms": 1145786024470.858
        },
        "end": {
          "local": "2006-04-24T11:10:15+04:00",
          "utc": "2006-04-24T07:10:15Z",
          "ms": 1145862614857.18
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-04-23",
          "window": {
            "start": {
              "local": "2006-04-23T06:06:16+04:00",
              "utc": "2006-04-23T02:06:16Z",
              "ms": 1145757975649.6926
            },
            "end": {
              "local": "2006-04-23T06:06:16+04:00",
              "utc": "2006-04-23T02:06:16Z",
              "ms": 1145757975649.6926
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2006-04-24",
          "window": {
            "start": {
              "local": "2006-04-24T06:03:53+04:00",
              "utc": "2006-04-24T02:03:53Z",
              "ms": 1145844232798.9463
            },
            "end": {
              "local": "2006-04-24T06:03:53+04:00",
              "utc": "2006-04-24T02:03:53Z",
              "ms": 1145844232798.9463
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 13:54 on Sun 23 Apr to 11:10 on Mon 24 Apr.",
          "fact": "2006-04-23T09:53:44Z → 2006-04-24T07:10:15Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:06 on the 23rd and 06:04 on the 24th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 23rd and is on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 18382 s"
        },
        {
          "step": "ruling",
          "text": "Varūthinī Ekādaśī, Moscow, 2006: Monday 24 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": "2006-04-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-04-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Varūthinī Ekādaśī 2006 falls on Monday 24 April. Ekādaśī runs from 13:54 on Sun 23 Apr to 11:10 on Mon 24 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-04-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/pradosha-vrata?on=2006-04-25",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-04-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25941,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-04-25T08:16:52+04:00",
          "utc": "2006-04-25T04:16:52Z",
          "ms": 1145938612150.1326
        },
        "end": {
          "local": "2006-04-26T05:19:47+04:00",
          "utc": "2006-04-26T01:19:47Z",
          "ms": 1146014387316.0059
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-04-25T08:16:52+04:00",
          "utc": "2006-04-25T04:16:52Z",
          "ms": 1145938612150.1326
        },
        "end": {
          "local": "2006-04-26T05:19:47+04:00",
          "utc": "2006-04-26T01:19:47Z",
          "ms": 1146014387316.0059
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-04-24",
          "window": {
            "start": {
              "local": "2006-04-24T20:52:51+04:00",
              "utc": "2006-04-24T16:52:51Z",
              "ms": 1145897571235.4336
            },
            "end": {
              "local": "2006-04-24T22:06:01+04:00",
              "utc": "2006-04-24T18:06:01Z",
              "ms": 1145901960534.3162
            }
          },
          "covered_min": 0,
          "window_min": 73,
          "qualifies": false
        },
        {
          "local_date": "2006-04-25",
          "window": {
            "start": {
              "local": "2006-04-25T20:54:52+04:00",
              "utc": "2006-04-25T16:54:52Z",
              "ms": 1145984092097.977
            },
            "end": {
              "local": "2006-04-25T22:07:27+04:00",
              "utc": "2006-04-25T18:07:27Z",
              "ms": 1145988446515.0952
            }
          },
          "covered_min": 73,
          "window_min": 73,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 08:17 on Tue 25 Apr to 05:20 on Wed 26 Apr.",
          "fact": "2006-04-25T04:16:52Z → 2006-04-26T01:19:47Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 20:53–22:06 on the 24th, 20:55–22:07 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 73 minutes on the 24th and 73 of 73 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 25941 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2006: Tuesday 25 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": "2006-04-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-04-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2006 falls on Tuesday 25 April. Trayodaśī runs from 08:17 on Tue 25 Apr to 05:20 on Wed 26 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/pradosha-vrata?on=2006-04-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/shivaratri?on=2006-04-26",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-04-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2118,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2006-04-26T05:19:47+04:00",
          "utc": "2006-04-26T01:19:47Z",
          "ms": 1146014387316.0059
        },
        "end": {
          "local": "2006-04-27T02:26:09+04:00",
          "utc": "2006-04-26T22:26:09Z",
          "ms": 1146090369330.6477
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-04-26T05:19:47+04:00",
          "utc": "2006-04-26T01:19:47Z",
          "ms": 1146014387316.0059
        },
        "end": {
          "local": "2006-04-27T02:26:09+04:00",
          "utc": "2006-04-26T22:26:09Z",
          "ms": 1146090369330.6477
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2006-04-25",
          "window": {
            "start": {
              "local": "2006-04-26T01:03:01+04:00",
              "utc": "2006-04-25T21:03:01Z",
              "ms": 1145998981162.17
            },
            "end": {
              "local": "2006-04-26T01:51:01+04:00",
              "utc": "2006-04-25T21:51:01Z",
              "ms": 1146001861162.17
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-04-26",
          "window": {
            "start": {
              "local": "2006-04-27T01:02:52+04:00",
              "utc": "2006-04-26T21:02:52Z",
              "ms": 1146085371721.377
            },
            "end": {
              "local": "2006-04-27T01:50:52+04:00",
              "utc": "2006-04-26T21:50:52Z",
              "ms": 1146088251721.377
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 05:20 on Wed 26 Apr to 02:26 on Thu 27 Apr.",
          "fact": "2006-04-26T01:19:47Z → 2006-04-26T22:26:09Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:03–01:51 on the 25th, 01:03–01:51 on the 26th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2118 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Moscow, 2006: Wednesday 26 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-04-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-04-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Śivarātri 2006 falls on Wednesday 26 April. Caturdaśī runs from 05:20 on Wed 26 Apr to 02:26 on Thu 27 Apr and covers all of niśītha that night.",
      "cite": "https://ahargana.org/moscow/festivals/2006/shivaratri?on=2006-04-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/parashurama-jayanti",
      "festival": "parashurama-jayanti",
      "name": "Paraśurāma Jayantī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-04-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5763,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2006-04-29T19:26:51+04:00",
          "utc": "2006-04-29T15:26:51Z",
          "ms": 1146324411171.3826
        },
        "end": {
          "local": "2006-04-30T18:08:10+04:00",
          "utc": "2006-04-30T14:08:10Z",
          "ms": 1146406090381.277
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-04-29T19:26:51+04:00",
          "utc": "2006-04-29T15:26:51Z",
          "ms": 1146324411171.3826
        },
        "end": {
          "local": "2006-04-30T18:08:10+04:00",
          "utc": "2006-04-30T14:08:10Z",
          "ms": 1146406090381.277
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-04-29",
          "window": {
            "start": {
              "local": "2006-04-29T21:02:54+04:00",
              "utc": "2006-04-29T17:02:54Z",
              "ms": 1146330174151.9236
            },
            "end": {
              "local": "2006-04-29T22:13:11+04:00",
              "utc": "2006-04-29T18:13:11Z",
              "ms": 1146334390770.253
            }
          },
          "covered_min": 70,
          "window_min": 70,
          "qualifies": true
        },
        {
          "local_date": "2006-04-30",
          "window": {
            "start": {
              "local": "2006-04-30T21:04:54+04:00",
              "utc": "2006-04-30T17:04:54Z",
              "ms": 1146416694140.412
            },
            "end": {
              "local": "2006-04-30T22:14:37+04:00",
              "utc": "2006-04-30T18:14:37Z",
              "ms": 1146420876794.2085
            }
          },
          "covered_min": 0,
          "window_min": 70,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 19:27 on Sat 29 Apr to 18:08 on Sun 30 Apr.",
          "fact": "2006-04-29T15:26:51Z → 2006-04-30T14:08:10Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 21:03–22:13 on the 29th, 21:05–22:15 on the 30th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pradoṣa. It covers 70 of 70 minutes on the 29th and 0 of 70 on the 30th.",
          "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 5763 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Jayantī, Moscow, 2006: Saturday 29 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": "2006-04-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-04-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Paraśurāma Jayantī 2006 falls on Saturday 29 April. Tṛtīyā runs from 19:27 on Sat 29 Apr to 18:08 on Sun 30 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/akshaya-tritiya",
      "festival": "akshaya-tritiya",
      "name": "Akṣaya Tṛtīyā",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-04-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25993,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2006-04-29T19:26:51+04:00",
          "utc": "2006-04-29T15:26:51Z",
          "ms": 1146324411171.3826
        },
        "end": {
          "local": "2006-04-30T18:08:10+04:00",
          "utc": "2006-04-30T14:08:10Z",
          "ms": 1146406090381.277
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-04-29T19:26:51+04:00",
          "utc": "2006-04-29T15:26:51Z",
          "ms": 1146324411171.3826
        },
        "end": {
          "local": "2006-04-30T18:08:10+04:00",
          "utc": "2006-04-30T14:08:10Z",
          "ms": 1146406090381.277
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2006-04-29",
          "window": {
            "start": {
              "local": "2006-04-29T05:52:15+04:00",
              "utc": "2006-04-29T01:52:15Z",
              "ms": 1146275534826.3308
            },
            "end": {
              "local": "2006-04-29T10:55:48+04:00",
              "utc": "2006-04-29T06:55:48Z",
              "ms": 1146293747934.8618
            }
          },
          "covered_min": 0,
          "window_min": 304,
          "qualifies": false
        },
        {
          "local_date": "2006-04-30",
          "window": {
            "start": {
              "local": "2006-04-30T05:49:59+04:00",
              "utc": "2006-04-30T01:49:59Z",
              "ms": 1146361798789.3933
            },
            "end": {
              "local": "2006-04-30T10:54:57+04:00",
              "utc": "2006-04-30T06:54:57Z",
              "ms": 1146380097239.733
            }
          },
          "covered_min": 305,
          "window_min": 305,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 19:27 on Sat 29 Apr to 18:08 on Sun 30 Apr.",
          "fact": "2006-04-29T15:26:51Z → 2006-04-30T14:08:10Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:52–10:56 on the 29th, 05:50–10:55 on the 30th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 0 of 304 minutes on the 29th and 305 of 305 on the 30th.",
          "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 25993 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Tṛtīyā, Moscow, 2006: Sunday 30 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": "2006-04-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-04-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Akṣaya Tṛtīyā 2006 falls on Sunday 30 April. Tṛtīyā runs from 19:27 on Sat 29 Apr to 18:08 on Sun 30 Apr and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/vinayaka-chaturthi?on=2006-05-01",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-05-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13212,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-04-30T18:08:10+04:00",
          "utc": "2006-04-30T14:08:10Z",
          "ms": 1146406090381.277
        },
        "end": {
          "local": "2006-05-01T17:31:31+04:00",
          "utc": "2006-05-01T13:31:31Z",
          "ms": 1146490290916.2397
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-04-30T18:08:10+04:00",
          "utc": "2006-04-30T14:08:10Z",
          "ms": 1146406090381.277
        },
        "end": {
          "local": "2006-05-01T17:31:31+04:00",
          "utc": "2006-05-01T13:31:31Z",
          "ms": 1146490290916.2397
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-04-30",
          "window": {
            "start": {
              "local": "2006-04-30T13:03:26+04:00",
              "utc": "2006-04-30T09:03:26Z",
              "ms": 1146387806464.9028
            },
            "end": {
              "local": "2006-04-30T13:51:26+04:00",
              "utc": "2006-04-30T09:51:26Z",
              "ms": 1146390686464.9028
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-05-01",
          "window": {
            "start": {
              "local": "2006-05-01T13:03:19+04:00",
              "utc": "2006-05-01T09:03:19Z",
              "ms": 1146474198942.649
            },
            "end": {
              "local": "2006-05-01T13:51:19+04:00",
              "utc": "2006-05-01T09:51:19Z",
              "ms": 1146477078942.649
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 18:08 on Sun 30 Apr to 17:32 on Mon 1 May.",
          "fact": "2006-04-30T14:08:10Z → 2006-05-01T13:31:31Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:03–13:51 on the 30th, 13:03–13:51 on the 1st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 1st.",
          "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 13212 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Moscow, 2006: Monday 1 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": "2006-05-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-05-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Vināyaka Caturthī 2006 falls on Monday 1 May. Caturthī runs from 18:08 on Sun 30 Apr to 17:32 on Mon 1 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/vinayaka-chaturthi?on=2006-05-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/shankara-jayanti",
      "festival": "shankara-jayanti",
      "name": "Śaṅkara Jayantī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-05-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13212,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2006-05-01T17:31:31+04:00",
          "utc": "2006-05-01T13:31:31Z",
          "ms": 1146490290916.2397
        },
        "end": {
          "local": "2006-05-02T17:40:35+04:00",
          "utc": "2006-05-02T13:40:35Z",
          "ms": 1146577234901.8447
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-05-01T17:31:31+04:00",
          "utc": "2006-05-01T13:31:31Z",
          "ms": 1146490290916.2397
        },
        "end": {
          "local": "2006-05-02T17:40:35+04:00",
          "utc": "2006-05-02T13:40:35Z",
          "ms": 1146577234901.8447
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-05-01",
          "window": {
            "start": {
              "local": "2006-05-01T13:03:19+04:00",
              "utc": "2006-05-01T09:03:19Z",
              "ms": 1146474198942.649
            },
            "end": {
              "local": "2006-05-01T13:51:19+04:00",
              "utc": "2006-05-01T09:51:19Z",
              "ms": 1146477078942.649
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-05-02",
          "window": {
            "start": {
              "local": "2006-05-02T13:03:12+04:00",
              "utc": "2006-05-02T09:03:12Z",
              "ms": 1146560591926.0378
            },
            "end": {
              "local": "2006-05-02T13:51:12+04:00",
              "utc": "2006-05-02T09:51:12Z",
              "ms": 1146563471926.0378
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 17:32 on Mon 1 May to 17:41 on Tue 2 May.",
          "fact": "2006-05-01T13:31:31Z → 2006-05-02T13:40:35Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:03–13:51 on the 1st, 13:03–13:51 on the 2nd.",
          "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 1st and 48 of 48 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 13212 s"
        },
        {
          "step": "ruling",
          "text": "Śaṅkara Jayantī, Moscow, 2006: Tuesday 2 May.",
          "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": "2006-05-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-05-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Śaṅkara Jayantī 2006 falls on Tuesday 2 May. Pañcamī runs from 17:32 on Mon 1 May to 17:41 on Tue 2 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/gangotpatti",
      "festival": "gangotpatti",
      "name": "Gaṅgotpatti",
      "everyday": "Ganga Saptami",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-05-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17063,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2006-05-03T18:35:28+04:00",
          "utc": "2006-05-03T14:35:28Z",
          "ms": 1146666928452.035
        },
        "end": {
          "local": "2006-05-04T20:11:52+04:00",
          "utc": "2006-05-04T16:11:52Z",
          "ms": 1146759112320.926
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-05-03T18:35:28+04:00",
          "utc": "2006-05-03T14:35:28Z",
          "ms": 1146666928452.035
        },
        "end": {
          "local": "2006-05-04T20:11:52+04:00",
          "utc": "2006-05-04T16:11:52Z",
          "ms": 1146759112320.926
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-05-03",
          "window": {
            "start": {
              "local": "2006-05-03T13:03:05+04:00",
              "utc": "2006-05-03T09:03:05Z",
              "ms": 1146646985419.0085
            },
            "end": {
              "local": "2006-05-03T13:51:05+04:00",
              "utc": "2006-05-03T09:51:05Z",
              "ms": 1146649865419.0085
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-05-04",
          "window": {
            "start": {
              "local": "2006-05-04T13:02:59+04:00",
              "utc": "2006-05-04T09:02:59Z",
              "ms": 1146733379425.6387
            },
            "end": {
              "local": "2006-05-04T13:50:59+04:00",
              "utc": "2006-05-04T09:50:59Z",
              "ms": 1146736259425.6387
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 18:35 on Wed 3 May to 20:12 on Thu 4 May.",
          "fact": "2006-05-03T14:35:28Z → 2006-05-04T16:11:52Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:03–13:51 on the 3rd, 13:03–13:51 on the 4th.",
          "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 3rd and 48 of 48 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 17063 s"
        },
        {
          "step": "ruling",
          "text": "Gaṅgotpatti, Moscow, 2006: Thursday 4 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "gangotpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-05-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-05-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Gaṅgotpatti (Ganga Saptami) 2006 falls on Thursday 4 May. Saptamī runs from 18:35 on Wed 3 May to 20:12 on Thu 4 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/ekadashi?on=2006-05-09",
      "festival": "ekadashi",
      "name": "Mohinī Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-05-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1077,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-05-08T03:23:48+04:00",
          "utc": "2006-05-07T23:23:48Z",
          "ms": 1147044227668.0278
        },
        "end": {
          "local": "2006-05-09T05:48:35+04:00",
          "utc": "2006-05-09T01:48:35Z",
          "ms": 1147139315363.685
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-05-08T03:23:48+04:00",
          "utc": "2006-05-07T23:23:48Z",
          "ms": 1147044227668.0278
        },
        "end": {
          "local": "2006-05-09T05:48:35+04:00",
          "utc": "2006-05-09T01:48:35Z",
          "ms": 1147139315363.685
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-05-08",
          "window": {
            "start": {
              "local": "2006-05-08T05:32:41+04:00",
              "utc": "2006-05-08T01:32:41Z",
              "ms": 1147051961229.992
            },
            "end": {
              "local": "2006-05-08T05:32:41+04:00",
              "utc": "2006-05-08T01:32:41Z",
              "ms": 1147051961229.992
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2006-05-09",
          "window": {
            "start": {
              "local": "2006-05-09T05:30:39+04:00",
              "utc": "2006-05-09T01:30:39Z",
              "ms": 1147138238672.177
            },
            "end": {
              "local": "2006-05-09T05:30:39+04:00",
              "utc": "2006-05-09T01:30:39Z",
              "ms": 1147138238672.177
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 03:24 on Mon 8 May to 05:49 on Tue 9 May.",
          "fact": "2006-05-07T23:23:48Z → 2006-05-09T01:48:35Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:33 on the 8th and 05:31 on the 9th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 8th and is on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Both sunrises qualify. Paraviddhā: the second is taken.",
          "fact": "priority: paraviddha → paraviddha · margin 1077 s"
        },
        {
          "step": "ruling",
          "text": "Mohinī Ekādaśī, Moscow, 2006: Tuesday 9 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": "2006-05-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-05-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Mohinī Ekādaśī 2006 falls on Tuesday 9 May. Ekādaśī runs from 03:24 on Mon 8 May to 05:49 on Tue 9 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-05-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/parashurama-dvadashi",
      "festival": "parashurama-dvadashi",
      "name": "Paraśurāma Dvādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-05-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18630,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2006-05-09T05:48:35+04:00",
          "utc": "2006-05-09T01:48:35Z",
          "ms": 1147139315363.685
        },
        "end": {
          "local": "2006-05-10T07:52:05+04:00",
          "utc": "2006-05-10T03:52:05Z",
          "ms": 1147233124553.089
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-05-09T05:48:35+04:00",
          "utc": "2006-05-09T01:48:35Z",
          "ms": 1147139315363.685
        },
        "end": {
          "local": "2006-05-10T07:52:05+04:00",
          "utc": "2006-05-10T03:52:05Z",
          "ms": 1147233124553.089
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-05-09",
          "window": {
            "start": {
              "local": "2006-05-09T13:02:37+04:00",
              "utc": "2006-05-09T09:02:37Z",
              "ms": 1147165357301.1428
            },
            "end": {
              "local": "2006-05-09T13:50:37+04:00",
              "utc": "2006-05-09T09:50:37Z",
              "ms": 1147168237301.1428
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-05-10",
          "window": {
            "start": {
              "local": "2006-05-10T13:02:34+04:00",
              "utc": "2006-05-10T09:02:34Z",
              "ms": 1147251754469.4878
            },
            "end": {
              "local": "2006-05-10T13:50:34+04:00",
              "utc": "2006-05-10T09:50:34Z",
              "ms": 1147254634469.4878
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 05:49 on Tue 9 May to 07:52 on Wed 10 May.",
          "fact": "2006-05-09T01:48:35Z → 2006-05-10T03:52:05Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:03–13:51 on the 9th, 13:03–13:51 on the 10th.",
          "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 9th and 0 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 18630 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Dvādaśī, Moscow, 2006: Tuesday 9 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "parashurama-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-05-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-05-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Paraśurāma Dvādaśī 2006 falls on Tuesday 9 May. Dvādaśī runs from 05:49 on Tue 9 May to 07:52 on Wed 10 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/rukmini-dvadashi",
      "festival": "rukmini-dvadashi",
      "name": "Rukmiṇī Dvādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-05-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18630,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2006-05-09T05:48:35+04:00",
          "utc": "2006-05-09T01:48:35Z",
          "ms": 1147139315363.685
        },
        "end": {
          "local": "2006-05-10T07:52:05+04:00",
          "utc": "2006-05-10T03:52:05Z",
          "ms": 1147233124553.089
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-05-09T05:48:35+04:00",
          "utc": "2006-05-09T01:48:35Z",
          "ms": 1147139315363.685
        },
        "end": {
          "local": "2006-05-10T07:52:05+04:00",
          "utc": "2006-05-10T03:52:05Z",
          "ms": 1147233124553.089
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-05-09",
          "window": {
            "start": {
              "local": "2006-05-09T13:02:37+04:00",
              "utc": "2006-05-09T09:02:37Z",
              "ms": 1147165357301.1428
            },
            "end": {
              "local": "2006-05-09T13:50:37+04:00",
              "utc": "2006-05-09T09:50:37Z",
              "ms": 1147168237301.1428
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-05-10",
          "window": {
            "start": {
              "local": "2006-05-10T13:02:34+04:00",
              "utc": "2006-05-10T09:02:34Z",
              "ms": 1147251754469.4878
            },
            "end": {
              "local": "2006-05-10T13:50:34+04:00",
              "utc": "2006-05-10T09:50:34Z",
              "ms": 1147254634469.4878
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 05:49 on Tue 9 May to 07:52 on Wed 10 May.",
          "fact": "2006-05-09T01:48:35Z → 2006-05-10T03:52:05Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:03–13:51 on the 9th, 13:03–13:51 on the 10th.",
          "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 9th and 0 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 18630 s"
        },
        {
          "step": "ruling",
          "text": "Rukmiṇī Dvādaśī, Moscow, 2006: Tuesday 9 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rukmini-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-05-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-05-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Rukmiṇī Dvādaśī 2006 falls on Tuesday 9 May. Dvādaśī runs from 05:49 on Tue 9 May to 07:52 on Wed 10 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/pradosha-vrata?on=2006-05-10",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-05-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33880,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-05-10T07:52:05+04:00",
          "utc": "2006-05-10T03:52:05Z",
          "ms": 1147233124553.089
        },
        "end": {
          "local": "2006-05-11T09:25:55+04:00",
          "utc": "2006-05-11T05:25:55Z",
          "ms": 1147325154593.4814
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-05-10T07:52:05+04:00",
          "utc": "2006-05-10T03:52:05Z",
          "ms": 1147233124553.089
        },
        "end": {
          "local": "2006-05-11T09:25:55+04:00",
          "utc": "2006-05-11T05:25:55Z",
          "ms": 1147325154593.4814
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-05-09",
          "window": {
            "start": {
              "local": "2006-05-09T21:22:36+04:00",
              "utc": "2006-05-09T17:22:36Z",
              "ms": 1147195355930.1086
            },
            "end": {
              "local": "2006-05-09T22:27:24+04:00",
              "utc": "2006-05-09T18:27:24Z",
              "ms": 1147199244191.1045
            }
          },
          "covered_min": 0,
          "window_min": 65,
          "qualifies": false
        },
        {
          "local_date": "2006-05-10",
          "window": {
            "start": {
              "local": "2006-05-10T21:24:31+04:00",
              "utc": "2006-05-10T17:24:31Z",
              "ms": 1147281871051.3987
            },
            "end": {
              "local": "2006-05-10T22:28:48+04:00",
              "utc": "2006-05-10T18:28:48Z",
              "ms": 1147285728102.5955
            }
          },
          "covered_min": 64,
          "window_min": 64,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 07:52 on Wed 10 May to 09:26 on Thu 11 May.",
          "fact": "2006-05-10T03:52:05Z → 2006-05-11T05:25:55Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 21:23–22:27 on the 9th, 21:25–22:29 on the 10th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 65 minutes on the 9th and 64 of 64 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 33880 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Moscow, 2006: Wednesday 10 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": "2006-05-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-05-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Śukla Pradoṣa Vrata 2006 falls on Wednesday 10 May. Trayodaśī runs from 07:52 on Wed 10 May to 09:26 on Thu 11 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/pradosha-vrata?on=2006-05-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/nrisimha-chaturdashi",
      "festival": "nrisimha-chaturdashi",
      "name": "Nṛsiṃha Caturdaśī",
      "everyday": "Narasimha Jayanti",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-05-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 39426,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2006-05-11T09:25:55+04:00",
          "utc": "2006-05-11T05:25:55Z",
          "ms": 1147325154593.4814
        },
        "end": {
          "local": "2006-05-12T10:25:48+04:00",
          "utc": "2006-05-12T06:25:48Z",
          "ms": 1147415147936.9778
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-05-11T09:25:55+04:00",
          "utc": "2006-05-11T05:25:55Z",
          "ms": 1147325154593.4814
        },
        "end": {
          "local": "2006-05-12T10:25:48+04:00",
          "utc": "2006-05-12T06:25:48Z",
          "ms": 1147415147936.9778
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-05-10",
          "window": {
            "start": {
              "local": "2006-05-10T21:24:31+04:00",
              "utc": "2006-05-10T17:24:31Z",
              "ms": 1147281871051.3987
            },
            "end": {
              "local": "2006-05-10T22:28:48+04:00",
              "utc": "2006-05-10T18:28:48Z",
              "ms": 1147285728102.5955
            }
          },
          "covered_min": 0,
          "window_min": 64,
          "qualifies": false
        },
        {
          "local_date": "2006-05-11",
          "window": {
            "start": {
              "local": "2006-05-11T21:26:25+04:00",
              "utc": "2006-05-11T17:26:25Z",
              "ms": 1147368385416.6907
            },
            "end": {
              "local": "2006-05-11T22:30:12+04:00",
              "utc": "2006-05-11T18:30:12Z",
              "ms": 1147372211611.2493
            }
          },
          "covered_min": 64,
          "window_min": 64,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 09:26 on Thu 11 May to 10:26 on Fri 12 May.",
          "fact": "2006-05-11T05:25:55Z → 2006-05-12T06:25:48Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 21:25–22:29 on the 10th, 21:26–22:30 on the 11th.",
          "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 64 minutes on the 10th and 64 of 64 on the 11th.",
          "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 39426 s"
        },
        {
          "step": "ruling",
          "text": "Nṛsiṃha Caturdaśī, Moscow, 2006: Thursday 11 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "nrisimha-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 14 Nrsimha caturdasi (pradosa vyapini — if it occurs on two successive days, the second day is to be observed, special when combined with naksatra 'Svati', yoga 'Siddhi' and 'Saturday')."
          }
        ],
        "not_evaluated": "The row calls the day special with Svātī nakṣatra, Siddhi yoga and a Saturday; none is tested.",
        "kaala": "pradosha",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-05-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-05-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2006 falls on Thursday 11 May. Caturdaśī runs from 09:26 on Thu 11 May to 10:26 on Fri 12 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/buddha-purnima",
      "festival": "buddha-purnima",
      "name": "Buddha Pūrṇimā",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-05-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7886,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2006-05-12T10:25:48+04:00",
          "utc": "2006-05-12T06:25:48Z",
          "ms": 1147415147936.9778
        },
        "end": {
          "local": "2006-05-13T10:51:03+04:00",
          "utc": "2006-05-13T06:51:03Z",
          "ms": 1147503063315.1604
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-05-12T10:25:48+04:00",
          "utc": "2006-05-12T06:25:48Z",
          "ms": 1147415147936.9778
        },
        "end": {
          "local": "2006-05-13T10:51:03+04:00",
          "utc": "2006-05-13T06:51:03Z",
          "ms": 1147503063315.1604
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-05-12",
          "window": {
            "start": {
              "local": "2006-05-12T13:02:30+04:00",
              "utc": "2006-05-12T09:02:30Z",
              "ms": 1147424550423.2598
            },
            "end": {
              "local": "2006-05-12T13:50:30+04:00",
              "utc": "2006-05-12T09:50:30Z",
              "ms": 1147427430423.2598
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-05-13",
          "window": {
            "start": {
              "local": "2006-05-13T13:02:29+04:00",
              "utc": "2006-05-13T09:02:29Z",
              "ms": 1147510949213.2573
            },
            "end": {
              "local": "2006-05-13T13:50:29+04:00",
              "utc": "2006-05-13T09:50:29Z",
              "ms": 1147513829213.2573
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 10:26 on Fri 12 May to 10:51 on Sat 13 May.",
          "fact": "2006-05-12T06:25:48Z → 2006-05-13T06:51:03Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:03–13:51 on the 12th, 13:02–13:50 on the 13th.",
          "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 12th and 0 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 7886 s"
        },
        {
          "step": "ruling",
          "text": "Buddha Pūrṇimā, Moscow, 2006: Friday 12 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "buddha-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-05-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-05-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Buddha Pūrṇimā 2006 falls on Friday 12 May. Pūrṇimā runs from 10:26 on Fri 12 May to 10:51 on Sat 13 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/sampat-gauri-vrata",
      "festival": "sampat-gauri-vrata",
      "name": "Sampat Gaurī Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-05-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7886,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2006-05-12T10:25:48+04:00",
          "utc": "2006-05-12T06:25:48Z",
          "ms": 1147415147936.9778
        },
        "end": {
          "local": "2006-05-13T10:51:03+04:00",
          "utc": "2006-05-13T06:51:03Z",
          "ms": 1147503063315.1604
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-05-12T10:25:48+04:00",
          "utc": "2006-05-12T06:25:48Z",
          "ms": 1147415147936.9778
        },
        "end": {
          "local": "2006-05-13T10:51:03+04:00",
          "utc": "2006-05-13T06:51:03Z",
          "ms": 1147503063315.1604
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-05-12",
          "window": {
            "start": {
              "local": "2006-05-12T13:02:30+04:00",
              "utc": "2006-05-12T09:02:30Z",
              "ms": 1147424550423.2598
            },
            "end": {
              "local": "2006-05-12T13:50:30+04:00",
              "utc": "2006-05-12T09:50:30Z",
              "ms": 1147427430423.2598
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-05-13",
          "window": {
            "start": {
              "local": "2006-05-13T13:02:29+04:00",
              "utc": "2006-05-13T09:02:29Z",
              "ms": 1147510949213.2573
            },
            "end": {
              "local": "2006-05-13T13:50:29+04:00",
              "utc": "2006-05-13T09:50:29Z",
              "ms": 1147513829213.2573
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 10:26 on Fri 12 May to 10:51 on Sat 13 May.",
          "fact": "2006-05-12T06:25:48Z → 2006-05-13T06:51:03Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:03–13:51 on the 12th, 13:02–13:50 on the 13th.",
          "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 12th and 0 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 7886 s"
        },
        {
          "step": "ruling",
          "text": "Sampat Gaurī Vrata, Moscow, 2006: Friday 12 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sampat-gauri-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-05-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-05-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Sampat Gaurī Vrata 2006 falls on Friday 12 May. Pūrṇimā runs from 10:26 on Fri 12 May to 10:51 on Sat 13 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/sankashta-chaturthi?on=2006-05-16",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-05-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20024,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-05-16T09:06:52+04:00",
          "utc": "2006-05-16T05:06:52Z",
          "ms": 1147756012282.236
        },
        "end": {
          "local": "2006-05-17T07:46:26+04:00",
          "utc": "2006-05-17T03:46:26Z",
          "ms": 1147837585524.1345
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-05-16T09:06:52+04:00",
          "utc": "2006-05-16T05:06:52Z",
          "ms": 1147756012282.236
        },
        "end": {
          "local": "2006-05-17T07:46:26+04:00",
          "utc": "2006-05-17T03:46:26Z",
          "ms": 1147837585524.1345
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2006-05-15",
          "window": {
            "start": {
              "local": "2006-05-16T01:18:27+04:00",
              "utc": "2006-05-15T21:18:27Z",
              "ms": 1147727907451.5002
            },
            "end": {
              "local": "2006-05-16T01:18:27+04:00",
              "utc": "2006-05-15T21:18:27Z",
              "ms": 1147727907451.5002
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2006-05-16",
          "window": {
            "start": {
              "local": "2006-05-17T02:12:41+04:00",
              "utc": "2006-05-16T22:12:41Z",
              "ms": 1147817561403.6213
            },
            "end": {
              "local": "2006-05-17T02:12:41+04:00",
              "utc": "2006-05-16T22:12:41Z",
              "ms": 1147817561403.6213
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 09:07 on Tue 16 May to 07:46 on Wed 17 May.",
          "fact": "2006-05-16T05:06:52Z → 2006-05-17T03:46:26Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 01:18 on the 15th and 02:13 on the 16th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 15th and is on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 20024 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Moscow, 2006: Tuesday 16 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": "2006-05-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-05-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Saṅkaṣṭa Caturthī 2006 falls on Tuesday 16 May. Caturthī runs from 09:07 on Tue 16 May to 07:46 on Wed 17 May and is current at moonrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/sankashta-chaturthi?on=2006-05-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/ekadashi?on=2006-05-23",
      "festival": "ekadashi",
      "name": "Aparā Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-05-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33536,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-05-22T19:46:42+04:00",
          "utc": "2006-05-22T15:46:42Z",
          "ms": 1148312801970.8562
        },
        "end": {
          "local": "2006-05-23T17:28:06+04:00",
          "utc": "2006-05-23T13:28:06Z",
          "ms": 1148390885926.6416
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-05-22T19:46:42+04:00",
          "utc": "2006-05-22T15:46:42Z",
          "ms": 1148312801970.8562
        },
        "end": {
          "local": "2006-05-23T17:28:06+04:00",
          "utc": "2006-05-23T13:28:06Z",
          "ms": 1148390885926.6416
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-05-23",
          "window": {
            "start": {
              "local": "2006-05-23T05:05:38+04:00",
              "utc": "2006-05-23T01:05:38Z",
              "ms": 1148346337805.5925
            },
            "end": {
              "local": "2006-05-23T05:05:38+04:00",
              "utc": "2006-05-23T01:05:38Z",
              "ms": 1148346337805.5925
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2006-05-24",
          "window": {
            "start": {
              "local": "2006-05-24T05:04:09+04:00",
              "utc": "2006-05-24T01:04:09Z",
              "ms": 1148432648663.919
            },
            "end": {
              "local": "2006-05-24T05:04:09+04:00",
              "utc": "2006-05-24T01:04:09Z",
              "ms": 1148432648663.919
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 19:47 on Mon 22 May to 17:28 on Tue 23 May.",
          "fact": "2006-05-22T15:46:42Z → 2006-05-23T13:28:06Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:06 on the 23rd and 05:04 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 33536 s"
        },
        {
          "step": "ruling",
          "text": "Aparā Ekādaśī, Moscow, 2006: Tuesday 23 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": "2006-05-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-05-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Aparā Ekādaśī 2006 falls on Tuesday 23 May. Ekādaśī runs from 19:47 on Mon 22 May to 17:28 on Tue 23 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-05-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/pradosha-vrata?on=2006-05-24",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-05-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23887,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-05-24T15:11:27+04:00",
          "utc": "2006-05-24T11:11:27Z",
          "ms": 1148469086830.4817
        },
        "end": {
          "local": "2006-05-25T13:01:28+04:00",
          "utc": "2006-05-25T09:01:28Z",
          "ms": 1148547687785.144
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-05-24T15:11:27+04:00",
          "utc": "2006-05-24T11:11:27Z",
          "ms": 1148469086830.4817
        },
        "end": {
          "local": "2006-05-25T13:01:28+04:00",
          "utc": "2006-05-25T09:01:28Z",
          "ms": 1148547687785.144
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-05-24",
          "window": {
            "start": {
              "local": "2006-05-24T21:49:34+04:00",
              "utc": "2006-05-24T17:49:34Z",
              "ms": 1148492974306.5728
            },
            "end": {
              "local": "2006-05-24T22:47:19+04:00",
              "utc": "2006-05-24T18:47:19Z",
              "ms": 1148496439373.0425
            }
          },
          "covered_min": 58,
          "window_min": 58,
          "qualifies": true
        },
        {
          "local_date": "2006-05-25",
          "window": {
            "start": {
              "local": "2006-05-25T21:51:11+04:00",
              "utc": "2006-05-25T17:51:11Z",
              "ms": 1148579470907.4878
            },
            "end": {
              "local": "2006-05-25T22:48:32+04:00",
              "utc": "2006-05-25T18:48:32Z",
              "ms": 1148582911959.3208
            }
          },
          "covered_min": 0,
          "window_min": 57,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 15:11 on Wed 24 May to 13:01 on Thu 25 May.",
          "fact": "2006-05-24T11:11:27Z → 2006-05-25T09:01:28Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 21:50–22:47 on the 24th, 21:51–22:49 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 58 of 58 minutes on the 24th and 0 of 57 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 23887 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2006: Wednesday 24 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": "2006-05-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-05-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2006 falls on Wednesday 24 May. Trayodaśī runs from 15:11 on Wed 24 May to 13:01 on Thu 25 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/pradosha-vrata?on=2006-05-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/shivaratri?on=2006-05-25",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-05-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33223,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2006-05-25T13:01:28+04:00",
          "utc": "2006-05-25T09:01:28Z",
          "ms": 1148547687785.144
        },
        "end": {
          "local": "2006-05-26T11:03:58+04:00",
          "utc": "2006-05-26T07:03:58Z",
          "ms": 1148627037751.826
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-05-25T13:01:28+04:00",
          "utc": "2006-05-25T09:01:28Z",
          "ms": 1148547687785.144
        },
        "end": {
          "local": "2006-05-26T11:03:58+04:00",
          "utc": "2006-05-26T07:03:58Z",
          "ms": 1148627037751.826
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2006-05-24",
          "window": {
            "start": {
              "local": "2006-05-25T01:02:08+04:00",
              "utc": "2006-05-24T21:02:08Z",
              "ms": 1148504528305.8342
            },
            "end": {
              "local": "2006-05-25T01:50:08+04:00",
              "utc": "2006-05-24T21:50:08Z",
              "ms": 1148507408305.8342
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-05-25",
          "window": {
            "start": {
              "local": "2006-05-26T01:02:15+04:00",
              "utc": "2006-05-25T21:02:15Z",
              "ms": 1148590934851.8613
            },
            "end": {
              "local": "2006-05-26T01:50:15+04:00",
              "utc": "2006-05-25T21:50:15Z",
              "ms": 1148593814851.8613
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 13:01 on Thu 25 May to 11:04 on Fri 26 May.",
          "fact": "2006-05-25T09:01:28Z → 2006-05-26T07:03:58Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:02–01:50 on the 24th, 01:02–01:50 on the 25th.",
          "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 24th and 48 of 48 on the 25th.",
          "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 33223 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Moscow, 2006: Thursday 25 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": "2006-05-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-05-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Śivarātri 2006 falls on Thursday 25 May. Caturdaśī runs from 13:01 on Thu 25 May to 11:04 on Fri 26 May and covers all of niśītha that night.",
      "cite": "https://ahargana.org/moscow/festivals/2006/shivaratri?on=2006-05-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/rambha-tritiya",
      "festival": "rambha-tritiya",
      "name": "Rambhā Tṛtīyā",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-05-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19754,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2006-05-29T07:34:07+04:00",
          "utc": "2006-05-29T03:34:07Z",
          "ms": 1148873647150.515
        },
        "end": {
          "local": "2006-05-30T07:33:04+04:00",
          "utc": "2006-05-30T03:33:04Z",
          "ms": 1148959984195.0105
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-05-29T07:34:07+04:00",
          "utc": "2006-05-29T03:34:07Z",
          "ms": 1148873647150.515
        },
        "end": {
          "local": "2006-05-30T07:33:04+04:00",
          "utc": "2006-05-30T03:33:04Z",
          "ms": 1148959984195.0105
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-05-29",
          "window": {
            "start": {
              "local": "2006-05-29T13:03:22+04:00",
              "utc": "2006-05-29T09:03:22Z",
              "ms": 1148893401595.9077
            },
            "end": {
              "local": "2006-05-29T13:51:22+04:00",
              "utc": "2006-05-29T09:51:22Z",
              "ms": 1148896281595.9077
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-05-30",
          "window": {
            "start": {
              "local": "2006-05-30T13:03:29+04:00",
              "utc": "2006-05-30T09:03:29Z",
              "ms": 1148979808880.8682
            },
            "end": {
              "local": "2006-05-30T13:51:29+04:00",
              "utc": "2006-05-30T09:51:29Z",
              "ms": 1148982688880.8682
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 07:34 on Mon 29 May to 07:33 on Tue 30 May.",
          "fact": "2006-05-29T03:34:07Z → 2006-05-30T03:33:04Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:03–13:51 on the 29th, 13:03–13:51 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 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 19754 s"
        },
        {
          "step": "ruling",
          "text": "Rambhā Tṛtīyā, Moscow, 2006: Monday 29 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rambha-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Rambha trtiya (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-05-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-05-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Rambhā Tṛtīyā 2006 falls on Monday 29 May. Tṛtīyā runs from 07:34 on Mon 29 May to 07:33 on Tue 30 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/vinayaka-chaturthi?on=2006-05-30",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-05-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17424,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-05-30T07:33:04+04:00",
          "utc": "2006-05-30T03:33:04Z",
          "ms": 1148959984195.0105
        },
        "end": {
          "local": "2006-05-31T08:13:13+04:00",
          "utc": "2006-05-31T04:13:13Z",
          "ms": 1149048792932.1816
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-05-30T07:33:04+04:00",
          "utc": "2006-05-30T03:33:04Z",
          "ms": 1148959984195.0105
        },
        "end": {
          "local": "2006-05-31T08:13:13+04:00",
          "utc": "2006-05-31T04:13:13Z",
          "ms": 1149048792932.1816
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-05-30",
          "window": {
            "start": {
              "local": "2006-05-30T13:03:29+04:00",
              "utc": "2006-05-30T09:03:29Z",
              "ms": 1148979808880.8682
            },
            "end": {
              "local": "2006-05-30T13:51:29+04:00",
              "utc": "2006-05-30T09:51:29Z",
              "ms": 1148982688880.8682
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-05-31",
          "window": {
            "start": {
              "local": "2006-05-31T13:03:37+04:00",
              "utc": "2006-05-31T09:03:37Z",
              "ms": 1149066216544.9736
            },
            "end": {
              "local": "2006-05-31T13:51:37+04:00",
              "utc": "2006-05-31T09:51:37Z",
              "ms": 1149069096544.9736
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 07:33 on Tue 30 May to 08:13 on Wed 31 May.",
          "fact": "2006-05-30T03:33:04Z → 2006-05-31T04:13:13Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:03–13:51 on the 30th, 13:04–13:52 on the 31st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 31st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 17424 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Moscow, 2006: Tuesday 30 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": "2006-05-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-05-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Vināyaka Caturthī 2006 falls on Tuesday 30 May. Caturthī runs from 07:33 on Tue 30 May to 08:13 on Wed 31 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/vinayaka-chaturthi?on=2006-05-30",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/aranya-gauri-vrata",
      "festival": "aranya-gauri-vrata",
      "name": "Araṇya Gaurī Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-06-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5659,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2006-06-01T09:33:49+04:00",
          "utc": "2006-06-01T05:33:49Z",
          "ms": 1149140029479.8884
        },
        "end": {
          "local": "2006-06-02T11:29:34+04:00",
          "utc": "2006-06-02T07:29:34Z",
          "ms": 1149233373950.5752
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-06-01T09:33:49+04:00",
          "utc": "2006-06-01T05:33:49Z",
          "ms": 1149140029479.8884
        },
        "end": {
          "local": "2006-06-02T11:29:34+04:00",
          "utc": "2006-06-02T07:29:34Z",
          "ms": 1149233373950.5752
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-06-01",
          "window": {
            "start": {
              "local": "2006-06-01T13:03:45+04:00",
              "utc": "2006-06-01T09:03:45Z",
              "ms": 1149152624570.3633
            },
            "end": {
              "local": "2006-06-01T13:51:45+04:00",
              "utc": "2006-06-01T09:51:45Z",
              "ms": 1149155504570.3633
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-06-02",
          "window": {
            "start": {
              "local": "2006-06-02T13:03:53+04:00",
              "utc": "2006-06-02T09:03:53Z",
              "ms": 1149239032939.4985
            },
            "end": {
              "local": "2006-06-02T13:51:53+04:00",
              "utc": "2006-06-02T09:51:53Z",
              "ms": 1149241912939.4985
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 09:34 on Thu 1 Jun to 11:30 on Fri 2 Jun.",
          "fact": "2006-06-01T05:33:49Z → 2006-06-02T07:29:34Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:04–13:52 on the 1st, 13:04–13:52 on the 2nd.",
          "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 1st and 0 of 48 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 5659 s"
        },
        {
          "step": "ruling",
          "text": "Araṇya Gaurī Vrata, Moscow, 2006: Thursday 1 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": "2006-06-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-06-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Araṇya Gaurī Vrata 2006 falls on Thursday 1 June. Ṣaṣṭhī runs from 09:34 on Thu 1 Jun to 11:30 on Fri 2 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/skanda-shashthi-jyaishtha",
      "festival": "skanda-shashthi-jyaishtha",
      "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-06-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5659,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2006-06-01T09:33:49+04:00",
          "utc": "2006-06-01T05:33:49Z",
          "ms": 1149140029479.8884
        },
        "end": {
          "local": "2006-06-02T11:29:34+04:00",
          "utc": "2006-06-02T07:29:34Z",
          "ms": 1149233373950.5752
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-06-01T09:33:49+04:00",
          "utc": "2006-06-01T05:33:49Z",
          "ms": 1149140029479.8884
        },
        "end": {
          "local": "2006-06-02T11:29:34+04:00",
          "utc": "2006-06-02T07:29:34Z",
          "ms": 1149233373950.5752
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-06-01",
          "window": {
            "start": {
              "local": "2006-06-01T13:03:45+04:00",
              "utc": "2006-06-01T09:03:45Z",
              "ms": 1149152624570.3633
            },
            "end": {
              "local": "2006-06-01T13:51:45+04:00",
              "utc": "2006-06-01T09:51:45Z",
              "ms": 1149155504570.3633
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-06-02",
          "window": {
            "start": {
              "local": "2006-06-02T13:03:53+04:00",
              "utc": "2006-06-02T09:03:53Z",
              "ms": 1149239032939.4985
            },
            "end": {
              "local": "2006-06-02T13:51:53+04:00",
              "utc": "2006-06-02T09:51:53Z",
              "ms": 1149241912939.4985
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 09:34 on Thu 1 Jun to 11:30 on Fri 2 Jun.",
          "fact": "2006-06-01T05:33:49Z → 2006-06-02T07:29:34Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:04–13:52 on the 1st, 13:04–13:52 on the 2nd.",
          "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 1st and 0 of 48 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 5659 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Moscow, 2006: Thursday 1 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": "2006-06-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-06-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2006 falls on Thursday 1 June. Ṣaṣṭhī runs from 09:34 on Thu 1 Jun to 11:30 on Fri 2 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/ekadashi?on=2006-06-07",
      "festival": "ekadashi",
      "name": "Nirjalā Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-06-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22721,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-06-06T20:55:06+04:00",
          "utc": "2006-06-06T16:55:06Z",
          "ms": 1149612906117.8022
        },
        "end": {
          "local": "2006-06-07T22:29:20+04:00",
          "utc": "2006-06-07T18:29:20Z",
          "ms": 1149704960421.919
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-06-06T20:55:06+04:00",
          "utc": "2006-06-06T16:55:06Z",
          "ms": 1149612906117.8022
        },
        "end": {
          "local": "2006-06-07T22:29:20+04:00",
          "utc": "2006-06-07T18:29:20Z",
          "ms": 1149704960421.919
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-06-07",
          "window": {
            "start": {
              "local": "2006-06-07T04:48:43+04:00",
              "utc": "2006-06-07T00:48:43Z",
              "ms": 1149641322523.7566
            },
            "end": {
              "local": "2006-06-07T04:48:43+04:00",
              "utc": "2006-06-07T00:48:43Z",
              "ms": 1149641322523.7566
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2006-06-08",
          "window": {
            "start": {
              "local": "2006-06-08T04:48:02+04:00",
              "utc": "2006-06-08T00:48:02Z",
              "ms": 1149727681817.7217
            },
            "end": {
              "local": "2006-06-08T04:48:02+04:00",
              "utc": "2006-06-08T00:48:02Z",
              "ms": 1149727681817.7217
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 20:55 on Tue 6 Jun to 22:29 on Wed 7 Jun.",
          "fact": "2006-06-06T16:55:06Z → 2006-06-07T18:29:20Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 04:49 on the 7th and 04:48 on the 8th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 7th and is not on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 22721 s"
        },
        {
          "step": "ruling",
          "text": "Nirjalā Ekādaśī, Moscow, 2006: Wednesday 7 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": "2006-06-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-06-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Nirjalā Ekādaśī 2006 falls on Wednesday 7 June. Ekādaśī runs from 20:55 on Tue 6 Jun to 22:29 on Wed 7 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-06-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/shri-rama-dvadashi",
      "festival": "shri-rama-dvadashi",
      "name": "Śrī Rāma Dvādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-06-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31001,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2006-06-07T22:29:20+04:00",
          "utc": "2006-06-07T18:29:20Z",
          "ms": 1149704960421.919
        },
        "end": {
          "local": "2006-06-08T23:23:53+04:00",
          "utc": "2006-06-08T19:23:53Z",
          "ms": 1149794632817.9238
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-06-07T22:29:20+04:00",
          "utc": "2006-06-07T18:29:20Z",
          "ms": 1149704960421.919
        },
        "end": {
          "local": "2006-06-08T23:23:53+04:00",
          "utc": "2006-06-08T19:23:53Z",
          "ms": 1149794632817.9238
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-06-07",
          "window": {
            "start": {
              "local": "2006-06-07T13:04:39+04:00",
              "utc": "2006-06-07T09:04:39Z",
              "ms": 1149671079346.8562
            },
            "end": {
              "local": "2006-06-07T13:52:39+04:00",
              "utc": "2006-06-07T09:52:39Z",
              "ms": 1149673959346.8562
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-06-08",
          "window": {
            "start": {
              "local": "2006-06-08T13:04:49+04:00",
              "utc": "2006-06-08T09:04:49Z",
              "ms": 1149757489422.1016
            },
            "end": {
              "local": "2006-06-08T13:52:49+04:00",
              "utc": "2006-06-08T09:52:49Z",
              "ms": 1149760369422.1016
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 22:29 on Wed 7 Jun to 23:24 on Thu 8 Jun.",
          "fact": "2006-06-07T18:29:20Z → 2006-06-08T19:23:53Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:05–13:53 on the 7th, 13:05–13:53 on the 8th.",
          "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 7th and 48 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 31001 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Rāma Dvādaśī, Moscow, 2006: Thursday 8 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": "2006-06-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-06-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Śrī Rāma Dvādaśī 2006 falls on Thursday 8 June. Dvādaśī runs from 22:29 on Wed 7 Jun to 23:24 on Thu 8 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/pradosha-vrata?on=2006-06-09",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-06-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1273,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-06-08T23:23:53+04:00",
          "utc": "2006-06-08T19:23:53Z",
          "ms": 1149794632817.9238
        },
        "end": {
          "local": "2006-06-09T23:36:07+04:00",
          "utc": "2006-06-09T19:36:07Z",
          "ms": 1149881766583.764
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-06-08T23:23:53+04:00",
          "utc": "2006-06-08T19:23:53Z",
          "ms": 1149794632817.9238
        },
        "end": {
          "local": "2006-06-09T23:36:07+04:00",
          "utc": "2006-06-09T19:36:07Z",
          "ms": 1149881766583.764
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-06-08",
          "window": {
            "start": {
              "local": "2006-06-08T22:09:37+04:00",
              "utc": "2006-06-08T18:09:37Z",
              "ms": 1149790177026.4812
            },
            "end": {
              "local": "2006-06-08T23:02:39+04:00",
              "utc": "2006-06-08T19:02:39Z",
              "ms": 1149793359394.9065
            }
          },
          "covered_min": 0,
          "window_min": 53,
          "qualifies": false
        },
        {
          "local_date": "2006-06-09",
          "window": {
            "start": {
              "local": "2006-06-09T22:10:35+04:00",
              "utc": "2006-06-09T18:10:35Z",
              "ms": 1149876634656.788
            },
            "end": {
              "local": "2006-06-09T23:03:25+04:00",
              "utc": "2006-06-09T19:03:25Z",
              "ms": 1149879804900.0103
            }
          },
          "covered_min": 53,
          "window_min": 53,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 23:24 on Thu 8 Jun to 23:36 on Fri 9 Jun.",
          "fact": "2006-06-08T19:23:53Z → 2006-06-09T19:36:07Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 22:10–23:03 on the 8th, 22:11–23:03 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 53 minutes on the 8th and 53 of 53 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 1273 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Moscow, 2006: Friday 9 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": "2006-06-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-06-09",
          "confidence": "boundary"
        }
      ],
      "quote": "In Moscow, Śukla Pradoṣa Vrata 2006 falls on Friday 9 June. Trayodaśī runs from 23:24 on Thu 8 Jun to 23:36 on Fri 9 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/pradosha-vrata?on=2006-06-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/vata-savitri-vrata",
      "festival": "vata-savitri-vrata",
      "name": "Vaṭa Sāvitrī Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-06-10",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin",
        "absent-unstated"
      ],
      "boundary_margin_s": 209,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2006-06-10T23:07:37+04:00",
          "utc": "2006-06-10T19:07:37Z",
          "ms": 1149966457478.9502
        },
        "end": {
          "local": "2006-06-11T22:03:07+04:00",
          "utc": "2006-06-11T18:03:07Z",
          "ms": 1150048987109.4697
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-06-10T23:07:37+04:00",
          "utc": "2006-06-10T19:07:37Z",
          "ms": 1149966457478.9502
        },
        "end": {
          "local": "2006-06-11T22:03:07+04:00",
          "utc": "2006-06-11T18:03:07Z",
          "ms": 1150048987109.4697
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-06-10",
          "window": {
            "start": {
              "local": "2006-06-10T22:11:29+04:00",
              "utc": "2006-06-10T18:11:29Z",
              "ms": 1149963088987.2688
            },
            "end": {
              "local": "2006-06-10T23:04:08+04:00",
              "utc": "2006-06-10T19:04:08Z",
              "ms": 1149966248046.234
            }
          },
          "covered_min": 0,
          "window_min": 53,
          "qualifies": false
        },
        {
          "local_date": "2006-06-11",
          "window": {
            "start": {
              "local": "2006-06-11T22:12:20+04:00",
              "utc": "2006-06-11T18:12:20Z",
              "ms": 1150049539948.059
            },
            "end": {
              "local": "2006-06-11T23:04:49+04:00",
              "utc": "2006-06-11T19:04:49Z",
              "ms": 1150052688777.6438
            }
          },
          "covered_min": 0,
          "window_min": 52,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 23:08 on Sat 10 Jun to 22:03 on Sun 11 Jun.",
          "fact": "2006-06-10T19:07:37Z → 2006-06-11T18:03:07Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 22:11–23:04 on the 10th, 22:12–23:05 on the 11th.",
          "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 53 minutes on the 10th and 0 of 52 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Neither evening qualifies. The day the tithi falls on is taken.",
          "fact": "priority: purvaviddha → tithi-day · margin 209 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Vaṭa Sāvitrī Vrata, Moscow, 2006: Saturday 10 June.",
          "fact": "confidence: boundary (margin, absent-unstated)"
        }
      ],
      "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": "2006-06-10",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-06-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Vaṭa Sāvitrī Vrata 2006 falls on Saturday 10 June. Pūrṇimā runs from 23:08 on Sat 10 Jun to 22:03 on Sun 11 Jun, and reaches pradoṣa on neither day. It is 3 min 29 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/sankashta-chaturthi?on=2006-06-14",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-06-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31615,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-06-14T16:22:44+04:00",
          "utc": "2006-06-14T12:22:44Z",
          "ms": 1150287763879.3926
        },
        "end": {
          "local": "2006-06-15T14:04:22+04:00",
          "utc": "2006-06-15T10:04:22Z",
          "ms": 1150365862193.3655
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-06-14T16:22:44+04:00",
          "utc": "2006-06-14T12:22:44Z",
          "ms": 1150287763879.3926
        },
        "end": {
          "local": "2006-06-15T14:04:22+04:00",
          "utc": "2006-06-15T10:04:22Z",
          "ms": 1150365862193.3655
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2006-06-14",
          "window": {
            "start": {
              "local": "2006-06-15T01:09:39+04:00",
              "utc": "2006-06-14T21:09:39Z",
              "ms": 1150319378524.748
            },
            "end": {
              "local": "2006-06-15T01:09:39+04:00",
              "utc": "2006-06-14T21:09:39Z",
              "ms": 1150319378524.748
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2006-06-15",
          "window": {
            "start": {
              "local": "2006-06-16T01:23:34+04:00",
              "utc": "2006-06-15T21:23:34Z",
              "ms": 1150406614039.975
            },
            "end": {
              "local": "2006-06-16T01:23:34+04:00",
              "utc": "2006-06-15T21:23:34Z",
              "ms": 1150406614039.975
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 16:23 on Wed 14 Jun to 14:04 on Thu 15 Jun.",
          "fact": "2006-06-14T12:22:44Z → 2006-06-15T10:04:22Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 01:10 on the 14th and 01:24 on the 15th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 14th and is not on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 31615 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Moscow, 2006: Wednesday 14 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": "2006-06-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-06-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Saṅkaṣṭa Caturthī 2006 falls on Wednesday 14 June. Caturthī runs from 16:23 on Wed 14 Jun to 14:04 on Thu 15 Jun and is current at moonrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/sankashta-chaturthi?on=2006-06-14",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/ekadashi?on=2006-06-21",
      "festival": "ekadashi",
      "name": "Yoginī Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-06-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12275,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-06-21T01:20:24+04:00",
          "utc": "2006-06-20T21:20:24Z",
          "ms": 1150838424354.6838
        },
        "end": {
          "local": "2006-06-21T23:43:15+04:00",
          "utc": "2006-06-21T19:43:15Z",
          "ms": 1150918995024.687
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-06-21T01:20:24+04:00",
          "utc": "2006-06-20T21:20:24Z",
          "ms": 1150838424354.6838
        },
        "end": {
          "local": "2006-06-21T23:43:15+04:00",
          "utc": "2006-06-21T19:43:15Z",
          "ms": 1150918995024.687
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-06-21",
          "window": {
            "start": {
              "local": "2006-06-21T04:44:59+04:00",
              "utc": "2006-06-21T00:44:59Z",
              "ms": 1150850698870.013
            },
            "end": {
              "local": "2006-06-21T04:44:59+04:00",
              "utc": "2006-06-21T00:44:59Z",
              "ms": 1150850698870.013
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2006-06-22",
          "window": {
            "start": {
              "local": "2006-06-22T04:45:12+04:00",
              "utc": "2006-06-22T00:45:12Z",
              "ms": 1150937112039.296
            },
            "end": {
              "local": "2006-06-22T04:45:12+04:00",
              "utc": "2006-06-22T00:45:12Z",
              "ms": 1150937112039.296
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 01:20 on Wed 21 Jun to 23:43 on Wed 21 Jun.",
          "fact": "2006-06-20T21:20:24Z → 2006-06-21T19:43:15Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 04:45 on the 21st and 04:45 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 12275 s"
        },
        {
          "step": "ruling",
          "text": "Yoginī Ekādaśī, Moscow, 2006: Wednesday 21 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": "2006-06-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-06-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Yoginī Ekādaśī 2006 falls on Wednesday 21 June. Ekādaśī runs from 01:20 on Wed 21 Jun to 23:43 on Wed 21 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-06-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/pradosha-vrata?on=2006-06-22",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-06-22",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 104,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-06-22T22:19:26+04:00",
          "utc": "2006-06-22T18:19:26Z",
          "ms": 1151000365528.757
        },
        "end": {
          "local": "2006-06-23T21:12:15+04:00",
          "utc": "2006-06-23T17:12:15Z",
          "ms": 1151082735024.9019
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-06-22T22:19:26+04:00",
          "utc": "2006-06-22T18:19:26Z",
          "ms": 1151000365528.757
        },
        "end": {
          "local": "2006-06-23T21:12:15+04:00",
          "utc": "2006-06-23T17:12:15Z",
          "ms": 1151082735024.9019
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-06-22",
          "window": {
            "start": {
              "local": "2006-06-22T22:17:41+04:00",
              "utc": "2006-06-22T18:17:41Z",
              "ms": 1151000261333.888
            },
            "end": {
              "local": "2006-06-22T23:09:24+04:00",
              "utc": "2006-06-22T19:09:24Z",
              "ms": 1151003363698.351
            }
          },
          "covered_min": 50,
          "window_min": 52,
          "qualifies": true
        },
        {
          "local_date": "2006-06-23",
          "window": {
            "start": {
              "local": "2006-06-23T22:17:48+04:00",
              "utc": "2006-06-23T18:17:48Z",
              "ms": 1151086667627.312
            },
            "end": {
              "local": "2006-06-23T23:09:32+04:00",
              "utc": "2006-06-23T19:09:32Z",
              "ms": 1151089771932.8782
            }
          },
          "covered_min": 0,
          "window_min": 52,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 22:19 on Thu 22 Jun to 21:12 on Fri 23 Jun.",
          "fact": "2006-06-22T18:19:26Z → 2006-06-23T17:12:15Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 22:18–23:09 on the 22nd, 22:18–23:10 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 50 of 52 minutes on the 22nd and 0 of 52 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 104 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2006: Thursday 22 June.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-06-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-06-22",
          "confidence": "boundary"
        }
      ],
      "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2006 falls on Thursday 22 June. Trayodaśī runs from 22:19 on Thu 22 Jun to 21:12 on Fri 23 Jun and covers 50 of 52 minutes of pradoṣa that evening. It is 1 min 44 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/moscow/festivals/2006/pradosha-vrata?on=2006-06-22",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/shivaratri?on=2006-06-23",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-06-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14134,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2006-06-23T21:12:15+04:00",
          "utc": "2006-06-23T17:12:15Z",
          "ms": 1151082735024.9019
        },
        "end": {
          "local": "2006-06-24T20:25:57+04:00",
          "utc": "2006-06-24T16:25:57Z",
          "ms": 1151166357005.8604
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-06-23T21:12:15+04:00",
          "utc": "2006-06-23T17:12:15Z",
          "ms": 1151082735024.9019
        },
        "end": {
          "local": "2006-06-24T20:25:57+04:00",
          "utc": "2006-06-24T16:25:57Z",
          "ms": 1151166357005.8604
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2006-06-23",
          "window": {
            "start": {
              "local": "2006-06-24T01:07:49+04:00",
              "utc": "2006-06-23T21:07:49Z",
              "ms": 1151096868773.1853
            },
            "end": {
              "local": "2006-06-24T01:55:49+04:00",
              "utc": "2006-06-23T21:55:49Z",
              "ms": 1151099748773.1853
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-06-24",
          "window": {
            "start": {
              "local": "2006-06-25T01:08:02+04:00",
              "utc": "2006-06-24T21:08:02Z",
              "ms": 1151183282264.5547
            },
            "end": {
              "local": "2006-06-25T01:56:02+04:00",
              "utc": "2006-06-24T21:56:02Z",
              "ms": 1151186162264.5547
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 21:12 on Fri 23 Jun to 20:26 on Sat 24 Jun.",
          "fact": "2006-06-23T17:12:15Z → 2006-06-24T16:25:57Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:08–01:56 on the 23rd, 01:08–01:56 on the 24th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 14134 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Moscow, 2006: Friday 23 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": "2006-06-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-06-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Śivarātri 2006 falls on Friday 23 June. Caturdaśī runs from 21:12 on Fri 23 Jun to 20:26 on Sat 24 Jun and covers all of niśītha that night.",
      "cite": "https://ahargana.org/moscow/festivals/2006/shivaratri?on=2006-06-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/rathayatra",
      "festival": "rathayatra",
      "name": "Rathayātrā",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-06-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22712,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2006-06-26T20:14:45+04:00",
          "utc": "2006-06-26T16:14:45Z",
          "ms": 1151338485145.414
        },
        "end": {
          "local": "2006-06-27T20:57:51+04:00",
          "utc": "2006-06-27T16:57:51Z",
          "ms": 1151427471226.049
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-06-26T20:14:45+04:00",
          "utc": "2006-06-26T16:14:45Z",
          "ms": 1151338485145.414
        },
        "end": {
          "local": "2006-06-27T20:57:51+04:00",
          "utc": "2006-06-27T16:57:51Z",
          "ms": 1151427471226.049
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-06-26",
          "window": {
            "start": {
              "local": "2006-06-26T13:08:13+04:00",
              "utc": "2006-06-26T09:08:13Z",
              "ms": 1151312892862.8284
            },
            "end": {
              "local": "2006-06-26T13:56:13+04:00",
              "utc": "2006-06-26T09:56:13Z",
              "ms": 1151315772862.8284
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-06-27",
          "window": {
            "start": {
              "local": "2006-06-27T13:08:24+04:00",
              "utc": "2006-06-27T09:08:24Z",
              "ms": 1151399304126.8838
            },
            "end": {
              "local": "2006-06-27T13:56:24+04:00",
              "utc": "2006-06-27T09:56:24Z",
              "ms": 1151402184126.8838
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 20:15 on Mon 26 Jun to 20:58 on Tue 27 Jun.",
          "fact": "2006-06-26T16:14:45Z → 2006-06-27T16:57:51Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:08–13:56 on the 26th, 13:08–13:56 on the 27th.",
          "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 26th and 48 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 22712 s"
        },
        {
          "step": "ruling",
          "text": "Rathayātrā, Moscow, 2006: Tuesday 27 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rathayatra",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')"
          }
        ],
        "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.",
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-06-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-06-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Rathayātrā 2006 falls on Tuesday 27 June. Dvitīyā runs from 20:15 on Mon 26 Jun to 20:58 on Tue 27 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/vinayaka-chaturthi?on=2006-06-29",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-06-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29948,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-06-28T22:15:43+04:00",
          "utc": "2006-06-28T18:15:43Z",
          "ms": 1151518543489.5173
        },
        "end": {
          "local": "2006-06-30T00:06:05+04:00",
          "utc": "2006-06-29T20:06:05Z",
          "ms": 1151611565252.881
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-06-28T22:15:43+04:00",
          "utc": "2006-06-28T18:15:43Z",
          "ms": 1151518543489.5173
        },
        "end": {
          "local": "2006-06-30T00:06:05+04:00",
          "utc": "2006-06-29T20:06:05Z",
          "ms": 1151611565252.881
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-06-28",
          "window": {
            "start": {
              "local": "2006-06-28T13:08:35+04:00",
              "utc": "2006-06-28T09:08:35Z",
              "ms": 1151485715228.7668
            },
            "end": {
              "local": "2006-06-28T13:56:35+04:00",
              "utc": "2006-06-28T09:56:35Z",
              "ms": 1151488595228.7668
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-06-29",
          "window": {
            "start": {
              "local": "2006-06-29T13:08:46+04:00",
              "utc": "2006-06-29T09:08:46Z",
              "ms": 1151572126144.6533
            },
            "end": {
              "local": "2006-06-29T13:56:46+04:00",
              "utc": "2006-06-29T09:56:46Z",
              "ms": 1151575006144.6533
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 22:16 on Wed 28 Jun to 00:06 on Fri 30 Jun.",
          "fact": "2006-06-28T18:15:43Z → 2006-06-29T20:06:05Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:09–13:57 on the 28th, 13:09–13:57 on the 29th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 29948 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Moscow, 2006: Thursday 29 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": "2006-06-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-06-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Vināyaka Caturthī 2006 falls on Thursday 29 June. Caturthī runs from 22:16 on Wed 28 Jun to 00:06 on Fri 30 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/vinayaka-chaturthi?on=2006-06-29",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/skanda-panchami",
      "festival": "skanda-panchami",
      "name": "Skanda Pañcamī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-06-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36559,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2006-06-30T00:06:05+04:00",
          "utc": "2006-06-29T20:06:05Z",
          "ms": 1151611565252.881
        },
        "end": {
          "local": "2006-07-01T02:22:23+04:00",
          "utc": "2006-06-30T22:22:23Z",
          "ms": 1151706142734.9868
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-06-30T00:06:05+04:00",
          "utc": "2006-06-29T20:06:05Z",
          "ms": 1151611565252.881
        },
        "end": {
          "local": "2006-07-01T02:22:23+04:00",
          "utc": "2006-06-30T22:22:23Z",
          "ms": 1151706142734.9868
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-06-29",
          "window": {
            "start": {
              "local": "2006-06-29T13:08:46+04:00",
              "utc": "2006-06-29T09:08:46Z",
              "ms": 1151572126144.6533
            },
            "end": {
              "local": "2006-06-29T13:56:46+04:00",
              "utc": "2006-06-29T09:56:46Z",
              "ms": 1151575006144.6533
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-06-30",
          "window": {
            "start": {
              "local": "2006-06-30T13:08:57+04:00",
              "utc": "2006-06-30T09:08:57Z",
              "ms": 1151658536851.6023
            },
            "end": {
              "local": "2006-06-30T13:56:57+04:00",
              "utc": "2006-06-30T09:56:57Z",
              "ms": 1151661416851.6023
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 00:06 on Fri 30 Jun to 02:22 on Sat 1 Jul.",
          "fact": "2006-06-29T20:06:05Z → 2006-06-30T22:22:23Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:09–13:57 on the 29th, 13:09–13:57 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 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 36559 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Pañcamī, Moscow, 2006: Friday 30 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "skanda-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Skanda pancami (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-06-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-06-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Skanda Pañcamī 2006 falls on Friday 30 June. Pañcamī runs from 00:06 on Fri 30 Jun to 02:22 on Sat 1 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/vivasvat-saptami",
      "festival": "vivasvat-saptami",
      "name": "Vivasvat Saptamī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-07-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20637,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2006-07-02T04:53:39+04:00",
          "utc": "2006-07-02T00:53:39Z",
          "ms": 1151801618511.9875
        },
        "end": {
          "local": "2006-07-03T07:25:30+04:00",
          "utc": "2006-07-03T03:25:30Z",
          "ms": 1151897130265.4124
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-07-02T04:53:39+04:00",
          "utc": "2006-07-02T00:53:39Z",
          "ms": 1151801618511.9875
        },
        "end": {
          "local": "2006-07-03T07:25:30+04:00",
          "utc": "2006-07-03T03:25:30Z",
          "ms": 1151897130265.4124
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-07-02",
          "window": {
            "start": {
              "local": "2006-07-02T13:09:18+04:00",
              "utc": "2006-07-02T09:09:18Z",
              "ms": 1151831357551.4558
            },
            "end": {
              "local": "2006-07-02T13:57:18+04:00",
              "utc": "2006-07-02T09:57:18Z",
              "ms": 1151834237551.4558
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-07-03",
          "window": {
            "start": {
              "local": "2006-07-03T13:09:28+04:00",
              "utc": "2006-07-03T09:09:28Z",
              "ms": 1151917767502.815
            },
            "end": {
              "local": "2006-07-03T13:57:28+04:00",
              "utc": "2006-07-03T09:57:28Z",
              "ms": 1151920647502.815
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 04:54 on Sun 2 Jul to 07:26 on Mon 3 Jul.",
          "fact": "2006-07-02T00:53:39Z → 2006-07-03T03:25:30Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:09–13:57 on the 2nd, 13:09–13:57 on the 3rd.",
          "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 2nd and 0 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 20637 s"
        },
        {
          "step": "ruling",
          "text": "Vivasvat Saptamī, Moscow, 2006: Sunday 2 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": "2006-07-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-07-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Vivasvat Saptamī 2006 falls on Sunday 2 July. Saptamī runs from 04:54 on Sun 2 Jul to 07:26 on Mon 3 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/ekadashi?on=2006-07-07",
      "festival": "ekadashi",
      "name": "Hariśayanī Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-07-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27670,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-07-06T12:35:49+04:00",
          "utc": "2006-07-06T08:35:49Z",
          "ms": 1152174948703.792
        },
        "end": {
          "local": "2006-07-07T12:55:34+04:00",
          "utc": "2006-07-07T08:55:34Z",
          "ms": 1152262534371.32
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-07-06T12:35:49+04:00",
          "utc": "2006-07-06T08:35:49Z",
          "ms": 1152174948703.792
        },
        "end": {
          "local": "2006-07-07T12:55:34+04:00",
          "utc": "2006-07-07T08:55:34Z",
          "ms": 1152262534371.32
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-07-06",
          "window": {
            "start": {
              "local": "2006-07-06T04:54:39+04:00",
              "utc": "2006-07-06T00:54:39Z",
              "ms": 1152147278600.82
            },
            "end": {
              "local": "2006-07-06T04:54:39+04:00",
              "utc": "2006-07-06T00:54:39Z",
              "ms": 1152147278600.82
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2006-07-07",
          "window": {
            "start": {
              "local": "2006-07-07T04:55:44+04:00",
              "utc": "2006-07-07T00:55:44Z",
              "ms": 1152233743740.5398
            },
            "end": {
              "local": "2006-07-07T04:55:44+04:00",
              "utc": "2006-07-07T00:55:44Z",
              "ms": 1152233743740.5398
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 12:36 on Thu 6 Jul to 12:56 on Fri 7 Jul.",
          "fact": "2006-07-06T08:35:49Z → 2006-07-07T08:55:34Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 04:55 on the 6th and 04:56 on the 7th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 6th and is on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 27670 s"
        },
        {
          "step": "ruling",
          "text": "Hariśayanī Ekādaśī, Moscow, 2006: Friday 7 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": "2006-07-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-07-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Hariśayanī Ekādaśī 2006 falls on Friday 7 July. Ekādaśī runs from 12:36 on Thu 6 Jul to 12:56 on Fri 7 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-07-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/pradosha-vrata?on=2006-07-08",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-07-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35044,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-07-08T12:27:29+04:00",
          "utc": "2006-07-08T08:27:29Z",
          "ms": 1152347249050.3618
        },
        "end": {
          "local": "2006-07-09T11:14:41+04:00",
          "utc": "2006-07-09T07:14:41Z",
          "ms": 1152429281198.451
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-07-08T12:27:29+04:00",
          "utc": "2006-07-08T08:27:29Z",
          "ms": 1152347249050.3618
        },
        "end": {
          "local": "2006-07-09T11:14:41+04:00",
          "utc": "2006-07-09T07:14:41Z",
          "ms": 1152429281198.451
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-07-08",
          "window": {
            "start": {
              "local": "2006-07-08T22:11:33+04:00",
              "utc": "2006-07-08T18:11:33Z",
              "ms": 1152382293309.0537
            },
            "end": {
              "local": "2006-07-08T23:05:45+04:00",
              "utc": "2006-07-08T19:05:45Z",
              "ms": 1152385545202.4968
            }
          },
          "covered_min": 54,
          "window_min": 54,
          "qualifies": true
        },
        {
          "local_date": "2006-07-09",
          "window": {
            "start": {
              "local": "2006-07-09T22:10:38+04:00",
              "utc": "2006-07-09T18:10:38Z",
              "ms": 1152468638423.5134
            },
            "end": {
              "local": "2006-07-09T23:05:07+04:00",
              "utc": "2006-07-09T19:05:07Z",
              "ms": 1152471907428.3433
            }
          },
          "covered_min": 0,
          "window_min": 54,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 12:27 on Sat 8 Jul to 11:15 on Sun 9 Jul.",
          "fact": "2006-07-08T08:27:29Z → 2006-07-09T07:14:41Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 22:12–23:06 on the 8th, 22:11–23:05 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 54 of 54 minutes on the 8th and 0 of 54 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 35044 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Moscow, 2006: Saturday 8 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": "2006-07-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-07-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Śukla Pradoṣa Vrata 2006 falls on Saturday 8 July. Trayodaśī runs from 12:27 on Sat 8 Jul to 11:15 on Sun 9 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/pradosha-vrata?on=2006-07-08",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/vyasa-puja",
      "festival": "vyasa-puja",
      "name": "Vyāsa Pūjā",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-07-10",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 3485,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2006-07-10T09:23:26+04:00",
          "utc": "2006-07-10T05:23:26Z",
          "ms": 1152509005845.747
        },
        "end": {
          "local": "2006-07-11T07:01:53+04:00",
          "utc": "2006-07-11T03:01:53Z",
          "ms": 1152586912931.4976
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-07-10T09:23:26+04:00",
          "utc": "2006-07-10T05:23:26Z",
          "ms": 1152509005845.747
        },
        "end": {
          "local": "2006-07-11T07:01:53+04:00",
          "utc": "2006-07-11T03:01:53Z",
          "ms": 1152586912931.4976
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "2006-07-10",
          "window": {
            "start": {
              "local": "2006-07-10T04:59:16+04:00",
              "utc": "2006-07-10T00:59:16Z",
              "ms": 1152493155959.7378
            },
            "end": {
              "local": "2006-07-10T08:25:21+04:00",
              "utc": "2006-07-10T04:25:21Z",
              "ms": 1152505520784.38
            }
          },
          "covered_min": 0,
          "window_min": 206,
          "qualifies": false
        },
        {
          "local_date": "2006-07-11",
          "window": {
            "start": {
              "local": "2006-07-11T05:00:32+04:00",
              "utc": "2006-07-11T01:00:32Z",
              "ms": 1152579632000.3137
            },
            "end": {
              "local": "2006-07-11T08:26:09+04:00",
              "utc": "2006-07-11T04:26:09Z",
              "ms": 1152591969270.7163
            }
          },
          "covered_min": 121,
          "window_min": 206,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 09:23 on Mon 10 Jul to 07:02 on Tue 11 Jul.",
          "fact": "2006-07-10T05:23:26Z → 2006-07-11T03:01:53Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 04:59–08:25 on the 10th, 05:01–08:26 on the 11th.",
          "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 206 minutes on the 10th and 121 of 206 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Neither morning qualifies. The day the tithi falls on is taken.",
          "fact": "priority: paraviddha → tithi-day · margin 3485 s"
        },
        {
          "step": "ruling",
          "text": "Vyāsa Pūjā, Moscow, 2006: Monday 10 July.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "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": "2006-07-10",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-07-10",
          "confidence": "boundary"
        }
      ],
      "quote": "In Moscow, Vyāsa Pūjā 2006 falls on Monday 10 July. Pūrṇimā runs from 09:23 on Mon 10 Jul to 07:02 on Tue 11 Jul, and reaches the first three muhūrtas after sunrise on neither day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/guru-purnima",
      "festival": "guru-purnima",
      "name": "Guru Pūrṇimā",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-07-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13622,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2006-07-10T09:23:26+04:00",
          "utc": "2006-07-10T05:23:26Z",
          "ms": 1152509005845.747
        },
        "end": {
          "local": "2006-07-11T07:01:53+04:00",
          "utc": "2006-07-11T03:01:53Z",
          "ms": 1152586912931.4976
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-07-10T09:23:26+04:00",
          "utc": "2006-07-10T05:23:26Z",
          "ms": 1152509005845.747
        },
        "end": {
          "local": "2006-07-11T07:01:53+04:00",
          "utc": "2006-07-11T03:01:53Z",
          "ms": 1152586912931.4976
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-07-10",
          "window": {
            "start": {
              "local": "2006-07-10T13:10:28+04:00",
              "utc": "2006-07-10T09:10:28Z",
              "ms": 1152522628021.3433
            },
            "end": {
              "local": "2006-07-10T13:58:28+04:00",
              "utc": "2006-07-10T09:58:28Z",
              "ms": 1152525508021.3433
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-07-11",
          "window": {
            "start": {
              "local": "2006-07-11T13:10:35+04:00",
              "utc": "2006-07-11T09:10:35Z",
              "ms": 1152609035176.3203
            },
            "end": {
              "local": "2006-07-11T13:58:35+04:00",
              "utc": "2006-07-11T09:58:35Z",
              "ms": 1152611915176.3203
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 09:23 on Mon 10 Jul to 07:02 on Tue 11 Jul.",
          "fact": "2006-07-10T05:23:26Z → 2006-07-11T03:01:53Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:10–13:58 on the 10th, 13:11–13:59 on the 11th.",
          "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 10th and 0 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 13622 s"
        },
        {
          "step": "ruling",
          "text": "Guru Pūrṇimā, Moscow, 2006: Monday 10 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": "2006-07-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-07-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Guru Pūrṇimā 2006 falls on Monday 10 July. Pūrṇimā runs from 09:23 on Mon 10 Jul to 07:02 on Tue 11 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/kokila-vrata",
      "festival": "kokila-vrata",
      "name": "Kokilā Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-07-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31933,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2006-07-10T09:23:26+04:00",
          "utc": "2006-07-10T05:23:26Z",
          "ms": 1152509005845.747
        },
        "end": {
          "local": "2006-07-11T07:01:53+04:00",
          "utc": "2006-07-11T03:01:53Z",
          "ms": 1152586912931.4976
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-07-10T09:23:26+04:00",
          "utc": "2006-07-10T05:23:26Z",
          "ms": 1152509005845.747
        },
        "end": {
          "local": "2006-07-11T07:01:53+04:00",
          "utc": "2006-07-11T03:01:53Z",
          "ms": 1152586912931.4976
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2006-07-09",
          "window": {
            "start": {
              "local": "2006-07-09T18:44:07+04:00",
              "utc": "2006-07-09T14:44:07Z",
              "ms": 1152456247240.7861
            },
            "end": {
              "local": "2006-07-09T22:10:38+04:00",
              "utc": "2006-07-09T18:10:38Z",
              "ms": 1152468638423.5134
            }
          },
          "covered_min": 0,
          "window_min": 207,
          "qualifies": false
        },
        {
          "local_date": "2006-07-10",
          "window": {
            "start": {
              "local": "2006-07-10T18:43:35+04:00",
              "utc": "2006-07-10T14:43:35Z",
              "ms": 1152542615258.3064
            },
            "end": {
              "local": "2006-07-10T22:09:40+04:00",
              "utc": "2006-07-10T18:09:40Z",
              "ms": 1152554980082.9485
            }
          },
          "covered_min": 206,
          "window_min": 206,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 09:23 on Mon 10 Jul to 07:02 on Tue 11 Jul.",
          "fact": "2006-07-10T05:23:26Z → 2006-07-11T03:01:53Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 18:44–22:11 on the 9th, 18:44–22:10 on the 10th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 207 minutes on the 9th and 206 of 206 on the 10th.",
          "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 31933 s"
        },
        {
          "step": "ruling",
          "text": "Kokilā Vrata, Moscow, 2006: Monday 10 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": "2006-07-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-07-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Kokilā Vrata 2006 falls on Monday 10 July. Pūrṇimā runs from 09:23 on Mon 10 Jul to 07:02 on Tue 11 Jul and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/shiva-shayanotsava",
      "festival": "shiva-shayanotsava",
      "name": "Śiva Śayanotsava",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-07-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28646,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2006-07-10T09:23:26+04:00",
          "utc": "2006-07-10T05:23:26Z",
          "ms": 1152509005845.747
        },
        "end": {
          "local": "2006-07-11T07:01:53+04:00",
          "utc": "2006-07-11T03:01:53Z",
          "ms": 1152586912931.4976
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-07-10T09:23:26+04:00",
          "utc": "2006-07-10T05:23:26Z",
          "ms": 1152509005845.747
        },
        "end": {
          "local": "2006-07-11T07:01:53+04:00",
          "utc": "2006-07-11T03:01:53Z",
          "ms": 1152586912931.4976
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-07-09",
          "window": {
            "start": {
              "local": "2006-07-09T22:10:38+04:00",
              "utc": "2006-07-09T18:10:38Z",
              "ms": 1152468638423.5134
            },
            "end": {
              "local": "2006-07-09T23:05:07+04:00",
              "utc": "2006-07-09T19:05:07Z",
              "ms": 1152471907428.3433
            }
          },
          "covered_min": 0,
          "window_min": 54,
          "qualifies": false
        },
        {
          "local_date": "2006-07-10",
          "window": {
            "start": {
              "local": "2006-07-10T22:09:40+04:00",
              "utc": "2006-07-10T18:09:40Z",
              "ms": 1152554980082.9485
            },
            "end": {
              "local": "2006-07-10T23:04:27+04:00",
              "utc": "2006-07-10T19:04:27Z",
              "ms": 1152558267005.264
            }
          },
          "covered_min": 55,
          "window_min": 55,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 09:23 on Mon 10 Jul to 07:02 on Tue 11 Jul.",
          "fact": "2006-07-10T05:23:26Z → 2006-07-11T03:01:53Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 22:11–23:05 on the 9th, 22:10–23:04 on the 10th.",
          "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 54 minutes on the 9th and 55 of 55 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 28646 s"
        },
        {
          "step": "ruling",
          "text": "Śiva Śayanotsava, Moscow, 2006: Monday 10 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": "2006-07-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-07-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Śiva Śayanotsava 2006 falls on Monday 10 July. Pūrṇimā runs from 09:23 on Mon 10 Jul to 07:02 on Tue 11 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/ashunya-shayana-vrata-ashadha",
      "festival": "ashunya-shayana-vrata-ashadha",
      "name": "Aśūnya Śayana Vrata (Āṣāḍha)",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-07-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6856,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2006-07-12T04:19:06+04:00",
          "utc": "2006-07-12T00:19:06Z",
          "ms": 1152663545589.388
        },
        "end": {
          "local": "2006-07-13T01:24:12+04:00",
          "utc": "2006-07-12T21:24:12Z",
          "ms": 1152739451774.2463
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-07-12T04:19:06+04:00",
          "utc": "2006-07-12T00:19:06Z",
          "ms": 1152663545589.388
        },
        "end": {
          "local": "2006-07-13T01:24:12+04:00",
          "utc": "2006-07-12T21:24:12Z",
          "ms": 1152739451774.2463
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2006-07-11",
          "window": {
            "start": {
              "local": "2006-07-11T23:12:46+04:00",
              "utc": "2006-07-11T19:12:46Z",
              "ms": 1152645166413.7207
            },
            "end": {
              "local": "2006-07-11T23:12:46+04:00",
              "utc": "2006-07-11T19:12:46Z",
              "ms": 1152645166413.7207
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2006-07-12",
          "window": {
            "start": {
              "local": "2006-07-12T23:29:56+04:00",
              "utc": "2006-07-12T19:29:56Z",
              "ms": 1152732596044.4106
            },
            "end": {
              "local": "2006-07-12T23:29:56+04:00",
              "utc": "2006-07-12T19:29:56Z",
              "ms": 1152732596044.4106
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 04:19 on Wed 12 Jul to 01:24 on Thu 13 Jul.",
          "fact": "2006-07-12T00:19:06Z → 2006-07-12T21:24:12Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 23:13 on the 11th and 23:30 on the 12th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be current at moonrise. It is not on the 11th and is on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 6856 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata (Āṣāḍha), Moscow, 2006: Wednesday 12 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": "2006-07-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-07-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Aśūnya Śayana Vrata (Āṣāḍha) 2006 falls on Wednesday 12 July. Dvitīyā runs from 04:19 on Wed 12 Jul to 01:24 on Thu 13 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/sankashta-chaturthi?on=2006-07-13",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-07-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4504,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-07-13T22:25:48+04:00",
          "utc": "2006-07-13T18:25:48Z",
          "ms": 1152815147896.8352
        },
        "end": {
          "local": "2006-07-14T19:31:32+04:00",
          "utc": "2006-07-14T15:31:32Z",
          "ms": 1152891091988.7456
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-07-13T22:25:48+04:00",
          "utc": "2006-07-13T18:25:48Z",
          "ms": 1152815147896.8352
        },
        "end": {
          "local": "2006-07-14T19:31:32+04:00",
          "utc": "2006-07-14T15:31:32Z",
          "ms": 1152891091988.7456
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2006-07-13",
          "window": {
            "start": {
              "local": "2006-07-13T23:40:51+04:00",
              "utc": "2006-07-13T19:40:51Z",
              "ms": 1152819651413.754
            },
            "end": {
              "local": "2006-07-13T23:40:51+04:00",
              "utc": "2006-07-13T19:40:51Z",
              "ms": 1152819651413.754
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2006-07-14",
          "window": {
            "start": {
              "local": "2006-07-14T23:48:43+04:00",
              "utc": "2006-07-14T19:48:43Z",
              "ms": 1152906522596.4314
            },
            "end": {
              "local": "2006-07-14T23:48:43+04:00",
              "utc": "2006-07-14T19:48:43Z",
              "ms": 1152906522596.4314
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 22:26 on Thu 13 Jul to 19:32 on Fri 14 Jul.",
          "fact": "2006-07-13T18:25:48Z → 2006-07-14T15:31:32Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 23:41 on the 13th and 23:49 on the 14th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 13th and is not on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 4504 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Moscow, 2006: Thursday 13 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": "2006-07-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-07-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Saṅkaṣṭa Caturthī 2006 falls on Thursday 13 July. Caturthī runs from 22:26 on Thu 13 Jul to 19:32 on Fri 14 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/sankashta-chaturthi?on=2006-07-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/ekadashi?on=2006-07-21",
      "festival": "ekadashi",
      "name": "Kāmikā Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-07-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6751,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-07-20T07:49:22+04:00",
          "utc": "2006-07-20T03:49:22Z",
          "ms": 1153367362412.1538
        },
        "end": {
          "local": "2006-07-21T07:07:47+04:00",
          "utc": "2006-07-21T03:07:47Z",
          "ms": 1153451266642.9478
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-07-20T07:49:22+04:00",
          "utc": "2006-07-20T03:49:22Z",
          "ms": 1153367362412.1538
        },
        "end": {
          "local": "2006-07-21T07:07:47+04:00",
          "utc": "2006-07-21T03:07:47Z",
          "ms": 1153451266642.9478
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-07-20",
          "window": {
            "start": {
              "local": "2006-07-20T05:13:39+04:00",
              "utc": "2006-07-20T01:13:39Z",
              "ms": 1153358018555.9302
            },
            "end": {
              "local": "2006-07-20T05:13:39+04:00",
              "utc": "2006-07-20T01:13:39Z",
              "ms": 1153358018555.9302
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2006-07-21",
          "window": {
            "start": {
              "local": "2006-07-21T05:15:16+04:00",
              "utc": "2006-07-21T01:15:16Z",
              "ms": 1153444515672.355
            },
            "end": {
              "local": "2006-07-21T05:15:16+04:00",
              "utc": "2006-07-21T01:15:16Z",
              "ms": 1153444515672.355
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 07:49 on Thu 20 Jul to 07:08 on Fri 21 Jul.",
          "fact": "2006-07-20T03:49:22Z → 2006-07-21T03:07:47Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:14 on the 20th and 05:15 on the 21st.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 20th and is on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 6751 s"
        },
        {
          "step": "ruling",
          "text": "Kāmikā Ekādaśī, Moscow, 2006: Friday 21 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": "2006-07-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-07-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Kāmikā Ekādaśī 2006 falls on Friday 21 July. Ekādaśī runs from 07:49 on Thu 20 Jul to 07:08 on Fri 21 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-07-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/pradosha-vrata?on=2006-07-22",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-07-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28530,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-07-22T06:49:51+04:00",
          "utc": "2006-07-22T02:49:51Z",
          "ms": 1153536590615.1975
        },
        "end": {
          "local": "2006-07-23T06:56:46+04:00",
          "utc": "2006-07-23T02:56:46Z",
          "ms": 1153623405877.662
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-07-22T06:49:51+04:00",
          "utc": "2006-07-22T02:49:51Z",
          "ms": 1153536590615.1975
        },
        "end": {
          "local": "2006-07-23T06:56:46+04:00",
          "utc": "2006-07-23T02:56:46Z",
          "ms": 1153623405877.662
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-07-21",
          "window": {
            "start": {
              "local": "2006-07-21T21:55:29+04:00",
              "utc": "2006-07-21T17:55:29Z",
              "ms": 1153504529251.0754
            },
            "end": {
              "local": "2006-07-21T22:54:21+04:00",
              "utc": "2006-07-21T18:54:21Z",
              "ms": 1153508060603.4575
            }
          },
          "covered_min": 0,
          "window_min": 59,
          "qualifies": false
        },
        {
          "local_date": "2006-07-22",
          "window": {
            "start": {
              "local": "2006-07-22T21:53:55+04:00",
              "utc": "2006-07-22T17:53:55Z",
              "ms": 1153590834667.2131
            },
            "end": {
              "local": "2006-07-22T22:53:12+04:00",
              "utc": "2006-07-22T18:53:12Z",
              "ms": 1153594391995.3406
            }
          },
          "covered_min": 59,
          "window_min": 59,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 06:50 on Sat 22 Jul to 06:57 on Sun 23 Jul.",
          "fact": "2006-07-22T02:49:51Z → 2006-07-23T02:56:46Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 21:55–22:54 on the 21st, 21:54–22:53 on the 22nd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 59 minutes on the 21st and 59 of 59 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 28530 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2006: Saturday 22 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": "2006-07-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-07-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2006 falls on Saturday 22 July. Trayodaśī runs from 06:50 on Sat 22 Jul to 06:57 on Sun 23 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/pradosha-vrata?on=2006-07-22",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/shivaratri?on=2006-07-23",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-07-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17791,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2006-07-23T06:56:46+04:00",
          "utc": "2006-07-23T02:56:46Z",
          "ms": 1153623405877.662
        },
        "end": {
          "local": "2006-07-24T07:30:01+04:00",
          "utc": "2006-07-24T03:30:01Z",
          "ms": 1153711801213.1257
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-07-23T06:56:46+04:00",
          "utc": "2006-07-23T02:56:46Z",
          "ms": 1153623405877.662
        },
        "end": {
          "local": "2006-07-24T07:30:01+04:00",
          "utc": "2006-07-24T03:30:01Z",
          "ms": 1153711801213.1257
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2006-07-22",
          "window": {
            "start": {
              "local": "2006-07-23T01:12:15+04:00",
              "utc": "2006-07-22T21:12:15Z",
              "ms": 1153602734647.691
            },
            "end": {
              "local": "2006-07-23T02:00:15+04:00",
              "utc": "2006-07-22T22:00:15Z",
              "ms": 1153605614647.691
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-07-23",
          "window": {
            "start": {
              "local": "2006-07-24T01:12:17+04:00",
              "utc": "2006-07-23T21:12:17Z",
              "ms": 1153689136896.966
            },
            "end": {
              "local": "2006-07-24T02:00:17+04:00",
              "utc": "2006-07-23T22:00:17Z",
              "ms": 1153692016896.966
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 06:57 on Sun 23 Jul to 07:30 on Mon 24 Jul.",
          "fact": "2006-07-23T02:56:46Z → 2006-07-24T03:30:01Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:12–02:00 on the 22nd, 01:12–02:00 on the 23rd.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 17791 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Moscow, 2006: Sunday 23 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": "2006-07-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-07-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Śivarātri 2006 falls on Sunday 23 July. Caturdaśī runs from 06:57 on Sun 23 Jul to 07:30 on Mon 24 Jul and covers all of niśītha that night.",
      "cite": "https://ahargana.org/moscow/festivals/2006/shivaratri?on=2006-07-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/madhusrava-tritiya",
      "festival": "madhusrava-tritiya",
      "name": "Madhusravā Tṛtīyā",
      "everyday": "Hariyali Teej",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-07-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 842,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2006-07-27T11:55:25+04:00",
          "utc": "2006-07-27T07:55:25Z",
          "ms": 1153986925392.5903
        },
        "end": {
          "local": "2006-07-28T14:13:27+04:00",
          "utc": "2006-07-28T10:13:27Z",
          "ms": 1154081607122.3782
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-07-27T11:55:25+04:00",
          "utc": "2006-07-27T07:55:25Z",
          "ms": 1153986925392.5903
        },
        "end": {
          "local": "2006-07-28T14:13:27+04:00",
          "utc": "2006-07-28T10:13:27Z",
          "ms": 1154081607122.3782
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-07-27",
          "window": {
            "start": {
              "local": "2006-07-27T13:11:27+04:00",
              "utc": "2006-07-27T09:11:27Z",
              "ms": 1153991486697.8926
            },
            "end": {
              "local": "2006-07-27T13:59:27+04:00",
              "utc": "2006-07-27T09:59:27Z",
              "ms": 1153994366697.8926
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-07-28",
          "window": {
            "start": {
              "local": "2006-07-28T13:11:25+04:00",
              "utc": "2006-07-28T09:11:25Z",
              "ms": 1154077885427.4595
            },
            "end": {
              "local": "2006-07-28T13:59:25+04:00",
              "utc": "2006-07-28T09:59:25Z",
              "ms": 1154080765427.4595
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 11:55 on Thu 27 Jul to 14:13 on Fri 28 Jul.",
          "fact": "2006-07-27T07:55:25Z → 2006-07-28T10:13:27Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:11–13:59 on the 27th, 13:11–13:59 on the 28th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 48 of 48 on the 28th.",
          "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 842 s"
        },
        {
          "step": "ruling",
          "text": "Madhusravā Tṛtīyā, Moscow, 2006: Friday 28 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "madhusrava-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Madhusrava (Gujerat) (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-07-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-07-28",
          "confidence": "boundary"
        }
      ],
      "quote": "In Moscow, Madhusravā Tṛtīyā (Hariyali Teej) 2006 falls on Friday 28 July. Tṛtīyā runs from 11:55 on Thu 27 Jul to 14:13 on Fri 28 Jul 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/moscow/festivals/2006/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": "/moscow/festivals/2006/vinayaka-chaturthi?on=2006-07-29",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-07-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 842,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-07-28T14:13:27+04:00",
          "utc": "2006-07-28T10:13:27Z",
          "ms": 1154081607122.3782
        },
        "end": {
          "local": "2006-07-29T16:46:26+04:00",
          "utc": "2006-07-29T12:46:26Z",
          "ms": 1154177186406.1318
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-07-28T14:13:27+04:00",
          "utc": "2006-07-28T10:13:27Z",
          "ms": 1154081607122.3782
        },
        "end": {
          "local": "2006-07-29T16:46:26+04:00",
          "utc": "2006-07-29T12:46:26Z",
          "ms": 1154177186406.1318
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-07-28",
          "window": {
            "start": {
              "local": "2006-07-28T13:11:25+04:00",
              "utc": "2006-07-28T09:11:25Z",
              "ms": 1154077885427.4595
            },
            "end": {
              "local": "2006-07-28T13:59:25+04:00",
              "utc": "2006-07-28T09:59:25Z",
              "ms": 1154080765427.4595
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-07-29",
          "window": {
            "start": {
              "local": "2006-07-29T13:11:24+04:00",
              "utc": "2006-07-29T09:11:24Z",
              "ms": 1154164283571.377
            },
            "end": {
              "local": "2006-07-29T13:59:24+04:00",
              "utc": "2006-07-29T09:59:24Z",
              "ms": 1154167163571.377
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 14:13 on Fri 28 Jul to 16:46 on Sat 29 Jul.",
          "fact": "2006-07-28T10:13:27Z → 2006-07-29T12:46:26Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:11–13:59 on the 28th, 13:11–13:59 on the 29th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 28th and 48 of 48 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 842 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Moscow, 2006: Saturday 29 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": "2006-07-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-07-29",
          "confidence": "boundary"
        }
      ],
      "quote": "In Moscow, Vināyaka Caturthī 2006 falls on Saturday 29 July. Caturthī runs from 14:13 on Fri 28 Jul to 16:46 on Sat 29 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/vinayaka-chaturthi?on=2006-07-29",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/naga-panchami",
      "festival": "naga-panchami",
      "name": "Nāga Pañcamī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-07-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10023,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2006-07-29T16:46:26+04:00",
          "utc": "2006-07-29T12:46:26Z",
          "ms": 1154177186406.1318
        },
        "end": {
          "local": "2006-07-30T19:23:32+04:00",
          "utc": "2006-07-30T15:23:32Z",
          "ms": 1154273012385.0378
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-07-29T16:46:26+04:00",
          "utc": "2006-07-29T12:46:26Z",
          "ms": 1154177186406.1318
        },
        "end": {
          "local": "2006-07-30T19:23:32+04:00",
          "utc": "2006-07-30T15:23:32Z",
          "ms": 1154273012385.0378
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-07-29",
          "window": {
            "start": {
              "local": "2006-07-29T13:11:24+04:00",
              "utc": "2006-07-29T09:11:24Z",
              "ms": 1154164283571.377
            },
            "end": {
              "local": "2006-07-29T13:59:24+04:00",
              "utc": "2006-07-29T09:59:24Z",
              "ms": 1154167163571.377
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-07-30",
          "window": {
            "start": {
              "local": "2006-07-30T13:11:21+04:00",
              "utc": "2006-07-30T09:11:21Z",
              "ms": 1154250681124.497
            },
            "end": {
              "local": "2006-07-30T13:59:21+04:00",
              "utc": "2006-07-30T09:59:21Z",
              "ms": 1154253561124.497
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 16:46 on Sat 29 Jul to 19:24 on Sun 30 Jul.",
          "fact": "2006-07-29T12:46:26Z → 2006-07-30T15:23:32Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:11–13:59 on the 29th, 13:11–13:59 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 10023 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī, Moscow, 2006: Sunday 30 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naga-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Naga pancami (paraviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-07-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-07-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Nāga Pañcamī 2006 falls on Sunday 30 July. Pañcamī runs from 16:46 on Sat 29 Jul to 19:24 on Sun 30 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/ekadashi?on=2006-08-05",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-08-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13129,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-08-05T02:03:09+04:00",
          "utc": "2006-08-04T22:03:09Z",
          "ms": 1154728988977.6584
        },
        "end": {
          "local": "2006-08-06T01:07:10+04:00",
          "utc": "2006-08-05T21:07:10Z",
          "ms": 1154812030170.825
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-08-05T02:03:09+04:00",
          "utc": "2006-08-04T22:03:09Z",
          "ms": 1154728988977.6584
        },
        "end": {
          "local": "2006-08-06T01:07:10+04:00",
          "utc": "2006-08-05T21:07:10Z",
          "ms": 1154812030170.825
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-08-05",
          "window": {
            "start": {
              "local": "2006-08-05T05:41:57+04:00",
              "utc": "2006-08-05T01:41:57Z",
              "ms": 1154742117495.6306
            },
            "end": {
              "local": "2006-08-05T05:41:57+04:00",
              "utc": "2006-08-05T01:41:57Z",
              "ms": 1154742117495.6306
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2006-08-06",
          "window": {
            "start": {
              "local": "2006-08-06T05:43:51+04:00",
              "utc": "2006-08-06T01:43:51Z",
              "ms": 1154828630579.0293
            },
            "end": {
              "local": "2006-08-06T05:43:51+04:00",
              "utc": "2006-08-06T01:43:51Z",
              "ms": 1154828630579.0293
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 02:03 on Sat 5 Aug to 01:07 on Sun 6 Aug.",
          "fact": "2006-08-04T22:03:09Z → 2006-08-05T21:07:10Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:42 on the 5th and 05:44 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 13129 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Moscow, 2006: Saturday 5 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": "2006-08-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-08-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Putradā Ekādaśī 2006 falls on Saturday 5 August. Ekādaśī runs from 02:03 on Sat 5 Aug to 01:07 on Sun 6 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-08-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/damodara-dvadashi",
      "festival": "damodara-dvadashi",
      "name": "Dāmodara Dvādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-08-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33960,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2006-08-06T01:07:10+04:00",
          "utc": "2006-08-05T21:07:10Z",
          "ms": 1154812030170.825
        },
        "end": {
          "local": "2006-08-06T23:24:47+04:00",
          "utc": "2006-08-06T19:24:47Z",
          "ms": 1154892287372.142
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-08-06T01:07:10+04:00",
          "utc": "2006-08-05T21:07:10Z",
          "ms": 1154812030170.825
        },
        "end": {
          "local": "2006-08-06T23:24:47+04:00",
          "utc": "2006-08-06T19:24:47Z",
          "ms": 1154892287372.142
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-08-05",
          "window": {
            "start": {
              "local": "2006-08-05T13:10:54+04:00",
              "utc": "2006-08-05T09:10:54Z",
              "ms": 1154769053903.476
            },
            "end": {
              "local": "2006-08-05T13:58:54+04:00",
              "utc": "2006-08-05T09:58:54Z",
              "ms": 1154771933903.476
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-08-06",
          "window": {
            "start": {
              "local": "2006-08-06T13:10:47+04:00",
              "utc": "2006-08-06T09:10:47Z",
              "ms": 1154855447281.19
            },
            "end": {
              "local": "2006-08-06T13:58:47+04:00",
              "utc": "2006-08-06T09:58:47Z",
              "ms": 1154858327281.19
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 01:07 on Sun 6 Aug to 23:25 on Sun 6 Aug.",
          "fact": "2006-08-05T21:07:10Z → 2006-08-06T19:24:47Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:11–13:59 on the 5th, 13:11–13:59 on the 6th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 33960 s"
        },
        {
          "step": "ruling",
          "text": "Dāmodara Dvādaśī, Moscow, 2006: Sunday 6 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": "2006-08-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-08-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Dāmodara Dvādaśī 2006 falls on Sunday 6 August. Dvādaśī runs from 01:07 on Sun 6 Aug to 23:25 on Sun 6 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/pradosha-vrata?on=2006-08-06",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-08-06",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 1259,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-08-06T23:24:47+04:00",
          "utc": "2006-08-06T19:24:47Z",
          "ms": 1154892287372.142
        },
        "end": {
          "local": "2006-08-07T21:02:38+04:00",
          "utc": "2006-08-07T17:02:38Z",
          "ms": 1154970157516.3267
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-08-06T23:24:47+04:00",
          "utc": "2006-08-06T19:24:47Z",
          "ms": 1154892287372.142
        },
        "end": {
          "local": "2006-08-07T21:02:38+04:00",
          "utc": "2006-08-07T17:02:38Z",
          "ms": 1154970157516.3267
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-08-06",
          "window": {
            "start": {
              "local": "2006-08-06T21:25:44+04:00",
              "utc": "2006-08-06T17:25:44Z",
              "ms": 1154885143983.3508
            },
            "end": {
              "local": "2006-08-06T22:32:24+04:00",
              "utc": "2006-08-06T18:32:24Z",
              "ms": 1154889143999.793
            }
          },
          "covered_min": 0,
          "window_min": 67,
          "qualifies": false
        },
        {
          "local_date": "2006-08-07",
          "window": {
            "start": {
              "local": "2006-08-07T21:23:36+04:00",
              "utc": "2006-08-07T17:23:36Z",
              "ms": 1154971416038.206
            },
            "end": {
              "local": "2006-08-07T22:30:48+04:00",
              "utc": "2006-08-07T18:30:48Z",
              "ms": 1154975448304.4114
            }
          },
          "covered_min": 0,
          "window_min": 67,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 23:25 on Sun 6 Aug to 21:03 on Mon 7 Aug.",
          "fact": "2006-08-06T19:24:47Z → 2006-08-07T17:02:38Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 21:26–22:32 on the 6th, 21:24–22:31 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 67 minutes on the 6th and 0 of 67 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 1259 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Moscow, 2006: Sunday 6 August.",
          "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": "2006-08-06",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-08-06",
          "confidence": "boundary"
        }
      ],
      "quote": "In Moscow, Śukla Pradoṣa Vrata 2006 falls on Sunday 6 August. Trayodaśī runs from 23:25 on Sun 6 Aug to 21:03 on Mon 7 Aug, and reaches pradoṣa on neither day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/pradosha-vrata?on=2006-08-06",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/raksha-bandhana",
      "festival": "raksha-bandhana",
      "name": "Rakṣā Bandhana",
      "everyday": "Rakhi",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-08-09",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 4551,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2006-08-08T18:09:11+04:00",
          "utc": "2006-08-08T14:09:11Z",
          "ms": 1155046151065.6746
        },
        "end": {
          "local": "2006-08-09T14:53:58+04:00",
          "utc": "2006-08-09T10:53:58Z",
          "ms": 1155120838314.6743
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "second-half",
        "start": {
          "local": "2006-08-09T04:33:41+04:00",
          "utc": "2006-08-09T00:33:41Z",
          "ms": 1155083621212.9446
        },
        "end": {
          "local": "2006-08-09T14:53:58+04:00",
          "utc": "2006-08-09T10:53:58Z",
          "ms": 1155120838314.6743
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "2006-08-08",
          "window": {
            "start": {
              "local": "2006-08-08T05:47:38+04:00",
              "utc": "2006-08-08T01:47:38Z",
              "ms": 1155001658034.7456
            },
            "end": {
              "local": "2006-08-09T05:49:32+04:00",
              "utc": "2006-08-09T01:49:32Z",
              "ms": 1155088172324.3254
            }
          },
          "covered_min": 76,
          "window_min": 1442,
          "qualifies": true
        },
        {
          "local_date": "2006-08-09",
          "window": {
            "start": {
              "local": "2006-08-09T05:49:32+04:00",
              "utc": "2006-08-09T01:49:32Z",
              "ms": 1155088172324.3254
            },
            "end": {
              "local": "2006-08-10T05:51:27+04:00",
              "utc": "2006-08-10T01:51:27Z",
              "ms": 1155174686941.338
            }
          },
          "covered_min": 544,
          "window_min": 1442,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 18:09 on Tue 8 Aug to 14:54 on Wed 9 Aug. Its second half begins at 04:34 on Wed 9 Aug.",
          "fact": "2006-08-08T14:09:11Z → 2006-08-09T10:53:58Z · second half from 2006-08-09T00:33:41Z"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 05:48 on the 8th, and from 05:50 on the 9th.",
          "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 76 of 1442 minutes on the 8th and 544 of 1442 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Both days qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 4551 s"
        },
        {
          "step": "ruling",
          "text": "Rakṣā Bandhana, Moscow, 2006: Wednesday 9 August.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "raksha-bandhana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana"
          }
        ],
        "kaala": "day",
        "priority": "unstated",
        "when_absent": "unstated",
        "half": "second"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-08-09",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-08-09",
          "confidence": "boundary"
        }
      ],
      "quote": "In Moscow, Rakṣā Bandhana (Rakhi) 2006 falls on Wednesday 9 August. The second half of Pūrṇimā runs from 04:34 on Wed 9 Aug to 14:54 on Wed 9 Aug and falls on two days: 544 minutes of it on the 9th, 76 on the 8th; the rule does not say which to take, and the day that holds more of it is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/rishi-tarpana",
      "festival": "rishi-tarpana",
      "name": "Ṛṣi Tarpaṇa",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-08-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3334,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2006-08-08T18:09:11+04:00",
          "utc": "2006-08-08T14:09:11Z",
          "ms": 1155046151065.6746
        },
        "end": {
          "local": "2006-08-09T14:53:58+04:00",
          "utc": "2006-08-09T10:53:58Z",
          "ms": 1155120838314.6743
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-08-08T18:09:11+04:00",
          "utc": "2006-08-08T14:09:11Z",
          "ms": 1155046151065.6746
        },
        "end": {
          "local": "2006-08-09T14:53:58+04:00",
          "utc": "2006-08-09T10:53:58Z",
          "ms": 1155120838314.6743
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-08-08",
          "window": {
            "start": {
              "local": "2006-08-08T13:10:32+04:00",
              "utc": "2006-08-08T09:10:32Z",
              "ms": 1155028232283.8887
            },
            "end": {
              "local": "2006-08-08T13:58:32+04:00",
              "utc": "2006-08-08T09:58:32Z",
              "ms": 1155031112283.8887
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-08-09",
          "window": {
            "start": {
              "local": "2006-08-09T13:10:24+04:00",
              "utc": "2006-08-09T09:10:24Z",
              "ms": 1155114623923.6128
            },
            "end": {
              "local": "2006-08-09T13:58:24+04:00",
              "utc": "2006-08-09T09:58:24Z",
              "ms": 1155117503923.6128
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 18:09 on Tue 8 Aug to 14:54 on Wed 9 Aug.",
          "fact": "2006-08-08T14:09:11Z → 2006-08-09T10:53:58Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:11–13:59 on the 8th, 13:10–13:58 on the 9th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 3334 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Tarpaṇa, Moscow, 2006: Wednesday 9 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": "2006-08-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-08-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Ṛṣi Tarpaṇa 2006 falls on Wednesday 9 August. Pūrṇimā runs from 18:09 on Tue 8 Aug to 14:54 on Wed 9 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/ashunya-shayana-vrata",
      "festival": "ashunya-shayana-vrata",
      "name": "Aśūnya Śayana Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-08-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36023,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2006-08-10T11:26:48+04:00",
          "utc": "2006-08-10T07:26:48Z",
          "ms": 1155194807878.1138
        },
        "end": {
          "local": "2006-08-11T07:57:16+04:00",
          "utc": "2006-08-11T03:57:16Z",
          "ms": 1155268635925.218
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-08-10T11:26:48+04:00",
          "utc": "2006-08-10T07:26:48Z",
          "ms": 1155194807878.1138
        },
        "end": {
          "local": "2006-08-11T07:57:16+04:00",
          "utc": "2006-08-11T03:57:16Z",
          "ms": 1155268635925.218
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2006-08-09",
          "window": {
            "start": {
              "local": "2006-08-09T21:47:51+04:00",
              "utc": "2006-08-09T17:47:51Z",
              "ms": 1155145670640.0654
            },
            "end": {
              "local": "2006-08-09T21:47:51+04:00",
              "utc": "2006-08-09T17:47:51Z",
              "ms": 1155145670640.0654
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2006-08-10",
          "window": {
            "start": {
              "local": "2006-08-10T21:56:53+04:00",
              "utc": "2006-08-10T17:56:53Z",
              "ms": 1155232612769.4478
            },
            "end": {
              "local": "2006-08-10T21:56:53+04:00",
              "utc": "2006-08-10T17:56:53Z",
              "ms": 1155232612769.4478
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 11:27 on Thu 10 Aug to 07:57 on Fri 11 Aug.",
          "fact": "2006-08-10T07:26:48Z → 2006-08-11T03:57:16Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:48 on the 9th and 21:57 on the 10th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be current at moonrise. It is not on the 9th and is on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 36023 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata, Moscow, 2006: Thursday 10 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": "2006-08-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-08-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Aśūnya Śayana Vrata 2006 falls on Thursday 10 August. Dvitīyā runs from 11:27 on Thu 10 Aug to 07:57 on Fri 11 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/kajjali-tritiya",
      "festival": "kajjali-tritiya",
      "name": "Kajjalī Tṛtīyā",
      "everyday": "Kajari Teej",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-08-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18770,
      "anga": {
        "type": "tithi",
        "index": 17,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2006-08-11T07:57:16+04:00",
          "utc": "2006-08-11T03:57:16Z",
          "ms": 1155268635925.218
        },
        "end": {
          "local": "2006-08-12T04:34:23+04:00",
          "utc": "2006-08-12T00:34:23Z",
          "ms": 1155342862931.8975
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-08-11T07:57:16+04:00",
          "utc": "2006-08-11T03:57:16Z",
          "ms": 1155268635925.218
        },
        "end": {
          "local": "2006-08-12T04:34:23+04:00",
          "utc": "2006-08-12T00:34:23Z",
          "ms": 1155342862931.8975
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-08-11",
          "window": {
            "start": {
              "local": "2006-08-11T13:10:06+04:00",
              "utc": "2006-08-11T09:10:06Z",
              "ms": 1155287405526.554
            },
            "end": {
              "local": "2006-08-11T13:58:06+04:00",
              "utc": "2006-08-11T09:58:06Z",
              "ms": 1155290285526.554
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-08-12",
          "window": {
            "start": {
              "local": "2006-08-12T13:09:56+04:00",
              "utc": "2006-08-12T09:09:56Z",
              "ms": 1155373795511.5674
            },
            "end": {
              "local": "2006-08-12T13:57:56+04:00",
              "utc": "2006-08-12T09:57:56Z",
              "ms": 1155376675511.5674
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 07:57 on Fri 11 Aug to 04:34 on Sat 12 Aug.",
          "fact": "2006-08-11T03:57:16Z → 2006-08-12T00:34:23Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:10–13:58 on the 11th, 13:10–13:58 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 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. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 18770 s"
        },
        {
          "step": "ruling",
          "text": "Kajjalī Tṛtīyā, Moscow, 2006: Friday 11 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": "2006-08-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-08-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Kajjalī Tṛtīyā (Kajari Teej) 2006 falls on Friday 11 August. Tṛtīyā runs from 07:57 on Fri 11 Aug to 04:34 on Sat 12 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/bahula-chaturthi",
      "festival": "bahula-chaturthi",
      "name": "Bahulā Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-08-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15221,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-08-12T04:34:23+04:00",
          "utc": "2006-08-12T00:34:23Z",
          "ms": 1155342862931.8975
        },
        "end": {
          "local": "2006-08-13T01:26:15+04:00",
          "utc": "2006-08-12T21:26:15Z",
          "ms": 1155417974891.8955
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-08-12T04:34:23+04:00",
          "utc": "2006-08-12T00:34:23Z",
          "ms": 1155342862931.8975
        },
        "end": {
          "local": "2006-08-13T01:26:15+04:00",
          "utc": "2006-08-12T21:26:15Z",
          "ms": 1155417974891.8955
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2006-08-11",
          "window": {
            "start": {
              "local": "2006-08-11T18:10:32+04:00",
              "utc": "2006-08-11T14:10:32Z",
              "ms": 1155305431728.9036
            },
            "end": {
              "local": "2006-08-11T21:14:49+04:00",
              "utc": "2006-08-11T17:14:49Z",
              "ms": 1155316489197.1367
            }
          },
          "covered_min": 0,
          "window_min": 184,
          "qualifies": false
        },
        {
          "local_date": "2006-08-12",
          "window": {
            "start": {
              "local": "2006-08-12T18:09:07+04:00",
              "utc": "2006-08-12T14:09:07Z",
              "ms": 1155391746593.6655
            },
            "end": {
              "local": "2006-08-12T21:12:34+04:00",
              "utc": "2006-08-12T17:12:34Z",
              "ms": 1155402753981.731
            }
          },
          "covered_min": 183,
          "window_min": 183,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 04:34 on Sat 12 Aug to 01:26 on Sun 13 Aug.",
          "fact": "2006-08-12T00:34:23Z → 2006-08-12T21:26:15Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 18:11–21:15 on the 11th, 18:09–21:13 on the 12th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during sāyāhna. It covers 0 of 184 minutes on the 11th and 183 of 183 on the 12th.",
          "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 15221 s"
        },
        {
          "step": "ruling",
          "text": "Bahulā Caturthī, Moscow, 2006: Saturday 12 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": "2006-08-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-08-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Bahulā Caturthī 2006 falls on Saturday 12 August. Caturthī runs from 04:34 on Sat 12 Aug to 01:26 on Sun 13 Aug and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/sankashta-chaturthi?on=2006-08-12",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-08-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11755,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-08-12T04:34:23+04:00",
          "utc": "2006-08-12T00:34:23Z",
          "ms": 1155342862931.8975
        },
        "end": {
          "local": "2006-08-13T01:26:15+04:00",
          "utc": "2006-08-12T21:26:15Z",
          "ms": 1155417974891.8955
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-08-12T04:34:23+04:00",
          "utc": "2006-08-12T00:34:23Z",
          "ms": 1155342862931.8975
        },
        "end": {
          "local": "2006-08-13T01:26:15+04:00",
          "utc": "2006-08-12T21:26:15Z",
          "ms": 1155417974891.8955
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2006-08-11",
          "window": {
            "start": {
              "local": "2006-08-11T22:03:55+04:00",
              "utc": "2006-08-11T18:03:55Z",
              "ms": 1155319435331.8494
            },
            "end": {
              "local": "2006-08-11T22:03:55+04:00",
              "utc": "2006-08-11T18:03:55Z",
              "ms": 1155319435331.8494
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2006-08-12",
          "window": {
            "start": {
              "local": "2006-08-12T22:10:20+04:00",
              "utc": "2006-08-12T18:10:20Z",
              "ms": 1155406220344.6108
            },
            "end": {
              "local": "2006-08-12T22:10:20+04:00",
              "utc": "2006-08-12T18:10:20Z",
              "ms": 1155406220344.6108
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 04:34 on Sat 12 Aug to 01:26 on Sun 13 Aug.",
          "fact": "2006-08-12T00:34:23Z → 2006-08-12T21:26:15Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 22:04 on the 11th and 22:10 on the 12th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 11th and is on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 11755 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Moscow, 2006: Saturday 12 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": "2006-08-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-08-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Saṅkaṣṭa Caturthī 2006 falls on Saturday 12 August. Caturthī runs from 04:34 on Sat 12 Aug to 01:26 on Sun 13 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/sankashta-chaturthi?on=2006-08-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/hala-shashthi",
      "festival": "hala-shashthi",
      "name": "Hala Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-08-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22977,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2006-08-13T22:39:47+04:00",
          "utc": "2006-08-13T18:39:47Z",
          "ms": 1155494387143.631
        },
        "end": {
          "local": "2006-08-14T20:20:31+04:00",
          "utc": "2006-08-14T16:20:31Z",
          "ms": 1155572430632.797
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-08-13T22:39:47+04:00",
          "utc": "2006-08-13T18:39:47Z",
          "ms": 1155494387143.631
        },
        "end": {
          "local": "2006-08-14T20:20:31+04:00",
          "utc": "2006-08-14T16:20:31Z",
          "ms": 1155572430632.797
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-08-13",
          "window": {
            "start": {
              "local": "2006-08-13T13:09:45+04:00",
              "utc": "2006-08-13T09:09:45Z",
              "ms": 1155460184967.5588
            },
            "end": {
              "local": "2006-08-13T13:57:45+04:00",
              "utc": "2006-08-13T09:57:45Z",
              "ms": 1155463064967.5588
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-08-14",
          "window": {
            "start": {
              "local": "2006-08-14T13:09:34+04:00",
              "utc": "2006-08-14T09:09:34Z",
              "ms": 1155546573905.7725
            },
            "end": {
              "local": "2006-08-14T13:57:34+04:00",
              "utc": "2006-08-14T09:57:34Z",
              "ms": 1155549453905.7725
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 22:40 on Sun 13 Aug to 20:21 on Mon 14 Aug.",
          "fact": "2006-08-13T18:39:47Z → 2006-08-14T16:20:31Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:10–13:58 on the 13th, 13:10–13:58 on the 14th.",
          "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 13th and 48 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 22977 s"
        },
        {
          "step": "ruling",
          "text": "Hala Ṣaṣṭhī, Moscow, 2006: Monday 14 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "hala-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 6 Hala sasthi (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-08-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-08-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Hala Ṣaṣṭhī 2006 falls on Monday 14 August. Ṣaṣṭhī runs from 22:40 on Sun 13 Aug to 20:21 on Mon 14 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/janmashtami",
      "festival": "janmashtami",
      "name": "Janmāṣṭamī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-08-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23878,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2006-08-15T18:32:22+04:00",
          "utc": "2006-08-15T14:32:22Z",
          "ms": 1155652342056.0952
        },
        "end": {
          "local": "2006-08-16T17:17:40+04:00",
          "utc": "2006-08-16T13:17:40Z",
          "ms": 1155734260343.2058
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-08-15T18:32:22+04:00",
          "utc": "2006-08-15T14:32:22Z",
          "ms": 1155652342056.0952
        },
        "end": {
          "local": "2006-08-16T17:17:40+04:00",
          "utc": "2006-08-16T13:17:40Z",
          "ms": 1155734260343.2058
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2006-08-15",
          "window": {
            "start": {
              "local": "2006-08-16T01:10:20+04:00",
              "utc": "2006-08-15T21:10:20Z",
              "ms": 1155676220342.9775
            },
            "end": {
              "local": "2006-08-16T01:58:20+04:00",
              "utc": "2006-08-15T21:58:20Z",
              "ms": 1155679100342.9775
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-08-16",
          "window": {
            "start": {
              "local": "2006-08-17T01:10:08+04:00",
              "utc": "2006-08-16T21:10:08Z",
              "ms": 1155762608346.8735
            },
            "end": {
              "local": "2006-08-17T01:58:08+04:00",
              "utc": "2006-08-16T21:58:08Z",
              "ms": 1155765488346.8735
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 18:32 on Tue 15 Aug to 17:18 on Wed 16 Aug.",
          "fact": "2006-08-15T14:32:22Z → 2006-08-16T13:17:40Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:10–01:58 on the 15th, 01:10–01:58 on the 16th.",
          "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 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 night qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 23878 s"
        },
        {
          "step": "ruling",
          "text": "Janmāṣṭamī, Moscow, 2006: Tuesday 15 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "janmashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami."
          }
        ],
        "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.",
        "kaala": "nishita",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-08-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-08-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Janmāṣṭamī 2006 falls on Tuesday 15 August. Aṣṭamī runs from 18:32 on Tue 15 Aug to 17:18 on Wed 16 Aug and covers all of niśītha that night.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/shitala-saptami",
      "festival": "shitala-saptami",
      "name": "Śītalā Saptamī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-08-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16500,
      "anga": {
        "type": "tithi",
        "index": 21,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2006-08-14T20:20:31+04:00",
          "utc": "2006-08-14T16:20:31Z",
          "ms": 1155572430632.797
        },
        "end": {
          "local": "2006-08-15T18:32:22+04:00",
          "utc": "2006-08-15T14:32:22Z",
          "ms": 1155652342056.0952
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-08-14T20:20:31+04:00",
          "utc": "2006-08-14T16:20:31Z",
          "ms": 1155572430632.797
        },
        "end": {
          "local": "2006-08-15T18:32:22+04:00",
          "utc": "2006-08-15T14:32:22Z",
          "ms": 1155652342056.0952
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-08-14",
          "window": {
            "start": {
              "local": "2006-08-14T13:09:34+04:00",
              "utc": "2006-08-14T09:09:34Z",
              "ms": 1155546573905.7725
            },
            "end": {
              "local": "2006-08-14T13:57:34+04:00",
              "utc": "2006-08-14T09:57:34Z",
              "ms": 1155549453905.7725
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-08-15",
          "window": {
            "start": {
              "local": "2006-08-15T13:09:22+04:00",
              "utc": "2006-08-15T09:09:22Z",
              "ms": 1155632962336.7954
            },
            "end": {
              "local": "2006-08-15T13:57:22+04:00",
              "utc": "2006-08-15T09:57:22Z",
              "ms": 1155635842336.7954
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 20:21 on Mon 14 Aug to 18:32 on Tue 15 Aug.",
          "fact": "2006-08-14T16:20:31Z → 2006-08-15T14:32:22Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:10–13:58 on the 14th, 13:09–13:57 on the 15th.",
          "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 14th and 48 of 48 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 16500 s"
        },
        {
          "step": "ruling",
          "text": "Śītalā Saptamī, Moscow, 2006: Tuesday 15 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shitala-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 7 Sitala saptami (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-08-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-08-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Śītalā Saptamī 2006 falls on Tuesday 15 August. Saptamī runs from 20:21 on Mon 14 Aug to 18:32 on Tue 15 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/ekadashi?on=2006-08-19",
      "festival": "ekadashi",
      "name": "Ajā Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-08-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37411,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-08-18T16:30:24+04:00",
          "utc": "2006-08-18T12:30:24Z",
          "ms": 1155904223517.2102
        },
        "end": {
          "local": "2006-08-19T16:55:45+04:00",
          "utc": "2006-08-19T12:55:45Z",
          "ms": 1155992144633.5254
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-08-18T16:30:24+04:00",
          "utc": "2006-08-18T12:30:24Z",
          "ms": 1155904223517.2102
        },
        "end": {
          "local": "2006-08-19T16:55:45+04:00",
          "utc": "2006-08-19T12:55:45Z",
          "ms": 1155992144633.5254
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-08-18",
          "window": {
            "start": {
              "local": "2006-08-18T06:06:52+04:00",
              "utc": "2006-08-18T02:06:52Z",
              "ms": 1155866812400.2358
            },
            "end": {
              "local": "2006-08-18T06:06:52+04:00",
              "utc": "2006-08-18T02:06:52Z",
              "ms": 1155866812400.2358
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2006-08-19",
          "window": {
            "start": {
              "local": "2006-08-19T06:08:49+04:00",
              "utc": "2006-08-19T02:08:49Z",
              "ms": 1155953328755.5376
            },
            "end": {
              "local": "2006-08-19T06:08:49+04:00",
              "utc": "2006-08-19T02:08:49Z",
              "ms": 1155953328755.5376
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 16:30 on Fri 18 Aug to 16:56 on Sat 19 Aug.",
          "fact": "2006-08-18T12:30:24Z → 2006-08-19T12:55:45Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:07 on the 18th and 06:09 on the 19th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 18th and is on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 37411 s"
        },
        {
          "step": "ruling",
          "text": "Ajā Ekādaśī, Moscow, 2006: Saturday 19 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": "2006-08-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-08-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Ajā Ekādaśī 2006 falls on Saturday 19 August. Ekādaśī runs from 16:30 on Fri 18 Aug to 16:56 on Sat 19 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-08-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/pradosha-vrata?on=2006-08-20",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-08-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5849,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-08-20T17:51:06+04:00",
          "utc": "2006-08-20T13:51:06Z",
          "ms": 1156081865995.898
        },
        "end": {
          "local": "2006-08-21T19:13:55+04:00",
          "utc": "2006-08-21T15:13:55Z",
          "ms": 1156173235022.2722
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-08-20T17:51:06+04:00",
          "utc": "2006-08-20T13:51:06Z",
          "ms": 1156081865995.898
        },
        "end": {
          "local": "2006-08-21T19:13:55+04:00",
          "utc": "2006-08-21T15:13:55Z",
          "ms": 1156173235022.2722
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-08-20",
          "window": {
            "start": {
              "local": "2006-08-20T20:53:49+04:00",
              "utc": "2006-08-20T16:53:49Z",
              "ms": 1156092829240.546
            },
            "end": {
              "local": "2006-08-20T22:08:20+04:00",
              "utc": "2006-08-20T18:08:20Z",
              "ms": 1156097300226.521
            }
          },
          "covered_min": 75,
          "window_min": 75,
          "qualifies": true
        },
        {
          "local_date": "2006-08-21",
          "window": {
            "start": {
              "local": "2006-08-21T20:51:24+04:00",
              "utc": "2006-08-21T16:51:24Z",
              "ms": 1156179083935.0376
            },
            "end": {
              "local": "2006-08-21T22:06:30+04:00",
              "utc": "2006-08-21T18:06:30Z",
              "ms": 1156183589825.816
            }
          },
          "covered_min": 0,
          "window_min": 75,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 17:51 on Sun 20 Aug to 19:14 on Mon 21 Aug.",
          "fact": "2006-08-20T13:51:06Z → 2006-08-21T15:13:55Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 20:54–22:08 on the 20th, 20:51–22:06 on the 21st.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 75 of 75 minutes on the 20th and 0 of 75 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 5849 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2006: Sunday 20 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": "2006-08-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-08-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2006 falls on Sunday 20 August. Trayodaśī runs from 17:51 on Sun 20 Aug to 19:14 on Mon 21 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/pradosha-vrata?on=2006-08-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/aghora-chaturdashi",
      "festival": "aghora-chaturdashi",
      "name": "Aghora Caturdaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-08-21",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 740,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2006-08-21T19:13:55+04:00",
          "utc": "2006-08-21T15:13:55Z",
          "ms": 1156173235022.2722
        },
        "end": {
          "local": "2006-08-22T21:01:18+04:00",
          "utc": "2006-08-22T17:01:18Z",
          "ms": 1156266077708.2283
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-08-21T19:13:55+04:00",
          "utc": "2006-08-21T15:13:55Z",
          "ms": 1156173235022.2722
        },
        "end": {
          "local": "2006-08-22T21:01:18+04:00",
          "utc": "2006-08-22T17:01:18Z",
          "ms": 1156266077708.2283
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-08-21",
          "window": {
            "start": {
              "local": "2006-08-21T20:51:24+04:00",
              "utc": "2006-08-21T16:51:24Z",
              "ms": 1156179083935.0376
            },
            "end": {
              "local": "2006-08-21T22:06:30+04:00",
              "utc": "2006-08-21T18:06:30Z",
              "ms": 1156183589825.816
            }
          },
          "covered_min": 75,
          "window_min": 75,
          "qualifies": true
        },
        {
          "local_date": "2006-08-22",
          "window": {
            "start": {
              "local": "2006-08-22T20:48:58+04:00",
              "utc": "2006-08-22T16:48:58Z",
              "ms": 1156265337718.8206
            },
            "end": {
              "local": "2006-08-22T22:04:39+04:00",
              "utc": "2006-08-22T18:04:39Z",
              "ms": 1156269878635.9238
            }
          },
          "covered_min": 12,
          "window_min": 76,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 19:14 on Mon 21 Aug to 21:01 on Tue 22 Aug.",
          "fact": "2006-08-21T15:13:55Z → 2006-08-22T17:01:18Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 20:51–22:06 on the 21st, 20:49–22:05 on the 22nd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during pradoṣa. It covers 75 of 75 minutes on the 21st and 12 of 76 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 740 s"
        },
        {
          "step": "ruling",
          "text": "Aghora Caturdaśī, Moscow, 2006: Monday 21 August.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "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": "2006-08-21",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-08-21",
          "confidence": "boundary"
        }
      ],
      "quote": "In Moscow, Aghora Caturdaśī 2006 falls on Monday 21 August. Caturdaśī runs from 19:14 on Mon 21 Aug to 21:01 on Tue 22 Aug and covers all of pradoṣa that evening. It also reaches the next evening for 12 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/shivaratri?on=2006-08-21",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-08-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14848,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2006-08-21T19:13:55+04:00",
          "utc": "2006-08-21T15:13:55Z",
          "ms": 1156173235022.2722
        },
        "end": {
          "local": "2006-08-22T21:01:18+04:00",
          "utc": "2006-08-22T17:01:18Z",
          "ms": 1156266077708.2283
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-08-21T19:13:55+04:00",
          "utc": "2006-08-21T15:13:55Z",
          "ms": 1156173235022.2722
        },
        "end": {
          "local": "2006-08-22T21:01:18+04:00",
          "utc": "2006-08-22T17:01:18Z",
          "ms": 1156266077708.2283
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2006-08-21",
          "window": {
            "start": {
              "local": "2006-08-22T01:09:01+04:00",
              "utc": "2006-08-21T21:09:01Z",
              "ms": 1156194541025.4565
            },
            "end": {
              "local": "2006-08-22T01:57:01+04:00",
              "utc": "2006-08-21T21:57:01Z",
              "ms": 1156197421025.4565
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-08-22",
          "window": {
            "start": {
              "local": "2006-08-23T01:08:46+04:00",
              "utc": "2006-08-22T21:08:46Z",
              "ms": 1156280926157.958
            },
            "end": {
              "local": "2006-08-23T01:56:46+04:00",
              "utc": "2006-08-22T21:56:46Z",
              "ms": 1156283806157.958
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 19:14 on Mon 21 Aug to 21:01 on Tue 22 Aug.",
          "fact": "2006-08-21T15:13:55Z → 2006-08-22T17:01:18Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:09–01:57 on the 21st, 01:09–01:57 on the 22nd.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 14848 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Moscow, 2006: Monday 21 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-08-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-08-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Śivarātri 2006 falls on Monday 21 August. Caturdaśī runs from 19:14 on Mon 21 Aug to 21:01 on Tue 22 Aug and covers all of niśītha that night.",
      "cite": "https://ahargana.org/moscow/festivals/2006/shivaratri?on=2006-08-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/rudra-vrata",
      "festival": "rudra-vrata",
      "name": "Rudra Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-08-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33254,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2006-08-23T23:09:46+04:00",
          "utc": "2006-08-23T19:09:46Z",
          "ms": 1156360186275.4836
        },
        "end": {
          "local": "2006-08-25T01:34:55+04:00",
          "utc": "2006-08-24T21:34:55Z",
          "ms": 1156455294948.3262
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-08-23T23:09:46+04:00",
          "utc": "2006-08-23T19:09:46Z",
          "ms": 1156360186275.4836
        },
        "end": {
          "local": "2006-08-25T01:34:55+04:00",
          "utc": "2006-08-24T21:34:55Z",
          "ms": 1156455294948.3262
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-08-23",
          "window": {
            "start": {
              "local": "2006-08-23T13:07:33+04:00",
              "utc": "2006-08-23T09:07:33Z",
              "ms": 1156324052613.4497
            },
            "end": {
              "local": "2006-08-23T13:55:33+04:00",
              "utc": "2006-08-23T09:55:33Z",
              "ms": 1156326932613.4497
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-08-24",
          "window": {
            "start": {
              "local": "2006-08-24T13:07:17+04:00",
              "utc": "2006-08-24T09:07:17Z",
              "ms": 1156410436883.3152
            },
            "end": {
              "local": "2006-08-24T13:55:17+04:00",
              "utc": "2006-08-24T09:55:17Z",
              "ms": 1156413316883.3152
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 23:10 on Wed 23 Aug to 01:35 on Fri 25 Aug.",
          "fact": "2006-08-23T19:09:46Z → 2006-08-24T21:34:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:08–13:56 on the 23rd, 13:07–13:55 on the 24th.",
          "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 23rd and 48 of 48 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 33254 s"
        },
        {
          "step": "ruling",
          "text": "Rudra Vrata, Moscow, 2006: Thursday 24 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rudra-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Rudra vrata (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-08-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-08-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Rudra Vrata 2006 falls on Thursday 24 August. Pratipadā runs from 23:10 on Wed 23 Aug to 01:35 on Fri 25 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/haritalika-vrata",
      "festival": "haritalika-vrata",
      "name": "Haritālikā Vrata",
      "everyday": "Hartalika Teej",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-08-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22590,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2006-08-26T04:10:52+04:00",
          "utc": "2006-08-26T00:10:52Z",
          "ms": 1156551051568.4443
        },
        "end": {
          "local": "2006-08-27T06:49:57+04:00",
          "utc": "2006-08-27T02:49:57Z",
          "ms": 1156646996998.2705
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-08-26T04:10:52+04:00",
          "utc": "2006-08-26T00:10:52Z",
          "ms": 1156551051568.4443
        },
        "end": {
          "local": "2006-08-27T06:49:57+04:00",
          "utc": "2006-08-27T02:49:57Z",
          "ms": 1156646996998.2705
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-08-26",
          "window": {
            "start": {
              "local": "2006-08-26T13:06:44+04:00",
              "utc": "2006-08-26T09:06:44Z",
              "ms": 1156583204186.5415
            },
            "end": {
              "local": "2006-08-26T13:54:44+04:00",
              "utc": "2006-08-26T09:54:44Z",
              "ms": 1156586084186.5415
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-08-27",
          "window": {
            "start": {
              "local": "2006-08-27T13:06:27+04:00",
              "utc": "2006-08-27T09:06:27Z",
              "ms": 1156669587242.5972
            },
            "end": {
              "local": "2006-08-27T13:54:27+04:00",
              "utc": "2006-08-27T09:54:27Z",
              "ms": 1156672467242.5972
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 04:11 on Sat 26 Aug to 06:50 on Sun 27 Aug.",
          "fact": "2006-08-26T00:10:52Z → 2006-08-27T02:49:57Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:07–13:55 on the 26th, 13:06–13:54 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 22590 s"
        },
        {
          "step": "ruling",
          "text": "Haritālikā Vrata, Moscow, 2006: Saturday 26 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "haritalika-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-08-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-08-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Haritālikā Vrata (Hartalika Teej) 2006 falls on Saturday 26 August. Tṛtīyā runs from 04:11 on Sat 26 Aug to 06:50 on Sun 27 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/ganesha-chaturthi",
      "festival": "ganesha-chaturthi",
      "name": "Gaṇeśa Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-08-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13404,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-08-27T06:49:57+04:00",
          "utc": "2006-08-27T02:49:57Z",
          "ms": 1156646996998.2705
        },
        "end": {
          "local": "2006-08-28T09:22:46+04:00",
          "utc": "2006-08-28T05:22:46Z",
          "ms": 1156742565866.35
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-08-27T06:49:57+04:00",
          "utc": "2006-08-27T02:49:57Z",
          "ms": 1156646996998.2705
        },
        "end": {
          "local": "2006-08-28T09:22:46+04:00",
          "utc": "2006-08-28T05:22:46Z",
          "ms": 1156742565866.35
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-08-27",
          "window": {
            "start": {
              "local": "2006-08-27T13:06:27+04:00",
              "utc": "2006-08-27T09:06:27Z",
              "ms": 1156669587242.5972
            },
            "end": {
              "local": "2006-08-27T13:54:27+04:00",
              "utc": "2006-08-27T09:54:27Z",
              "ms": 1156672467242.5972
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-08-28",
          "window": {
            "start": {
              "local": "2006-08-28T13:06:10+04:00",
              "utc": "2006-08-28T09:06:10Z",
              "ms": 1156755969917.8613
            },
            "end": {
              "local": "2006-08-28T13:54:10+04:00",
              "utc": "2006-08-28T09:54:10Z",
              "ms": 1156758849917.8613
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 06:50 on Sun 27 Aug to 09:23 on Mon 28 Aug.",
          "fact": "2006-08-27T02:49:57Z → 2006-08-28T05:22:46Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:06–13:54 on the 27th, 13:06–13:54 on the 28th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 13404 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Caturthī, Moscow, 2006: Sunday 27 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ganesha-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-08-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-08-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Gaṇeśa Caturthī 2006 falls on Sunday 27 August. Caturthī runs from 06:50 on Sun 27 Aug to 09:23 on Mon 28 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/rishi-panchami",
      "festival": "rishi-panchami",
      "name": "Ṛṣi Pañcamī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-08-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5233,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2006-08-28T09:22:46+04:00",
          "utc": "2006-08-28T05:22:46Z",
          "ms": 1156742565866.35
        },
        "end": {
          "local": "2006-08-29T11:38:39+04:00",
          "utc": "2006-08-29T07:38:39Z",
          "ms": 1156837118751.2605
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-08-28T09:22:46+04:00",
          "utc": "2006-08-28T05:22:46Z",
          "ms": 1156742565866.35
        },
        "end": {
          "local": "2006-08-29T11:38:39+04:00",
          "utc": "2006-08-29T07:38:39Z",
          "ms": 1156837118751.2605
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-08-28",
          "window": {
            "start": {
              "local": "2006-08-28T13:06:10+04:00",
              "utc": "2006-08-28T09:06:10Z",
              "ms": 1156755969917.8613
            },
            "end": {
              "local": "2006-08-28T13:54:10+04:00",
              "utc": "2006-08-28T09:54:10Z",
              "ms": 1156758849917.8613
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-08-29",
          "window": {
            "start": {
              "local": "2006-08-29T13:05:52+04:00",
              "utc": "2006-08-29T09:05:52Z",
              "ms": 1156842352225.3818
            },
            "end": {
              "local": "2006-08-29T13:53:52+04:00",
              "utc": "2006-08-29T09:53:52Z",
              "ms": 1156845232225.3818
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 09:23 on Mon 28 Aug to 11:39 on Tue 29 Aug.",
          "fact": "2006-08-28T05:22:46Z → 2006-08-29T07:38:39Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:06–13:54 on the 28th, 13:06–13:54 on the 29th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 28th and 0 of 48 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: disputed → only-day · margin 5233 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Pañcamī, Moscow, 2006: Monday 28 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rishi-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day"
          }
        ],
        "kaala": "madhyahna",
        "priority": "disputed",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-08-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-08-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Ṛṣi Pañcamī 2006 falls on Monday 28 August. Pañcamī runs from 09:23 on Mon 28 Aug to 11:39 on Tue 29 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/surya-shashthi-bhadrapada",
      "festival": "surya-shashthi-bhadrapada",
      "name": "Sūrya Ṣaṣṭhī (Bhādrapada)",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-08-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1272,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2006-08-29T11:38:39+04:00",
          "utc": "2006-08-29T07:38:39Z",
          "ms": 1156837118751.2605
        },
        "end": {
          "local": "2006-08-30T13:26:46+04:00",
          "utc": "2006-08-30T09:26:46Z",
          "ms": 1156930006073.0515
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-08-29T11:38:39+04:00",
          "utc": "2006-08-29T07:38:39Z",
          "ms": 1156837118751.2605
        },
        "end": {
          "local": "2006-08-30T13:26:46+04:00",
          "utc": "2006-08-30T09:26:46Z",
          "ms": 1156930006073.0515
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-08-29",
          "window": {
            "start": {
              "local": "2006-08-29T13:05:52+04:00",
              "utc": "2006-08-29T09:05:52Z",
              "ms": 1156842352225.3818
            },
            "end": {
              "local": "2006-08-29T13:53:52+04:00",
              "utc": "2006-08-29T09:53:52Z",
              "ms": 1156845232225.3818
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-08-30",
          "window": {
            "start": {
              "local": "2006-08-30T13:05:34+04:00",
              "utc": "2006-08-30T09:05:34Z",
              "ms": 1156928734178.903
            },
            "end": {
              "local": "2006-08-30T13:53:34+04:00",
              "utc": "2006-08-30T09:53:34Z",
              "ms": 1156931614178.903
            }
          },
          "covered_min": 21,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 11:39 on Tue 29 Aug to 13:27 on Wed 30 Aug.",
          "fact": "2006-08-29T07:38:39Z → 2006-08-30T09:26:46Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:06–13:54 on the 29th, 13:06–13:54 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 29th and 21 of 48 on the 30th.",
          "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 1272 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Moscow, 2006: Wednesday 30 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "surya-shashthi-bhadrapada",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-08-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-08-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Sūrya Ṣaṣṭhī (Bhādrapada) 2006 falls on Wednesday 30 August. Ṣaṣṭhī runs from 11:39 on Tue 29 Aug to 13:27 on Wed 30 Aug and covers 21 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/muktabharana-vrata",
      "festival": "muktabharana-vrata",
      "name": "Muktābharaṇa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-08-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1272,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2006-08-30T13:26:46+04:00",
          "utc": "2006-08-30T09:26:46Z",
          "ms": 1156930006073.0515
        },
        "end": {
          "local": "2006-08-31T14:37:31+04:00",
          "utc": "2006-08-31T10:37:31Z",
          "ms": 1157020650522.4465
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-08-30T13:26:46+04:00",
          "utc": "2006-08-30T09:26:46Z",
          "ms": 1156930006073.0515
        },
        "end": {
          "local": "2006-08-31T14:37:31+04:00",
          "utc": "2006-08-31T10:37:31Z",
          "ms": 1157020650522.4465
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-08-30",
          "window": {
            "start": {
              "local": "2006-08-30T13:05:34+04:00",
              "utc": "2006-08-30T09:05:34Z",
              "ms": 1156928734178.903
            },
            "end": {
              "local": "2006-08-30T13:53:34+04:00",
              "utc": "2006-08-30T09:53:34Z",
              "ms": 1156931614178.903
            }
          },
          "covered_min": 27,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-08-31",
          "window": {
            "start": {
              "local": "2006-08-31T13:05:16+04:00",
              "utc": "2006-08-31T09:05:16Z",
              "ms": 1157015115792.8755
            },
            "end": {
              "local": "2006-08-31T13:53:16+04:00",
              "utc": "2006-08-31T09:53:16Z",
              "ms": 1157017995792.8755
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "purvaviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 13:27 on Wed 30 Aug to 14:38 on Thu 31 Aug.",
          "fact": "2006-08-30T09:26:46Z → 2006-08-31T10:37:31Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:06–13:54 on the 30th, 13:05–13:53 on the 31st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 27 of 48 minutes on the 30th and 48 of 48 on the 31st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify. Pūrvaviddhā: the first is taken.",
          "fact": "priority: purvaviddha → purvaviddha · margin 1272 s"
        },
        {
          "step": "ruling",
          "text": "Muktābharaṇa Vrata, Moscow, 2006: Wednesday 30 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "muktabharana-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-08-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-08-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Muktābharaṇa Vrata 2006 falls on Wednesday 30 August. Saptamī runs from 13:27 on Wed 30 Aug to 14:38 on Thu 31 Aug and covers 27 of 48 minutes 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/moscow/festivals/2006/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": "/moscow/festivals/2006/radhashtami",
      "festival": "radhashtami",
      "name": "Rādhāṣṭamī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-09-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2655,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2006-08-31T14:37:31+04:00",
          "utc": "2006-08-31T10:37:31Z",
          "ms": 1157020650522.4465
        },
        "end": {
          "local": "2006-09-01T15:03:45+04:00",
          "utc": "2006-09-01T11:03:45Z",
          "ms": 1157108625120.9573
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-08-31T14:37:31+04:00",
          "utc": "2006-08-31T10:37:31Z",
          "ms": 1157020650522.4465
        },
        "end": {
          "local": "2006-09-01T15:03:45+04:00",
          "utc": "2006-09-01T11:03:45Z",
          "ms": 1157108625120.9573
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-08-31",
          "window": {
            "start": {
              "local": "2006-08-31T13:05:16+04:00",
              "utc": "2006-08-31T09:05:16Z",
              "ms": 1157015115792.8755
            },
            "end": {
              "local": "2006-08-31T13:53:16+04:00",
              "utc": "2006-08-31T09:53:16Z",
              "ms": 1157017995792.8755
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-09-01",
          "window": {
            "start": {
              "local": "2006-09-01T13:04:57+04:00",
              "utc": "2006-09-01T09:04:57Z",
              "ms": 1157101497082.6626
            },
            "end": {
              "local": "2006-09-01T13:52:57+04:00",
              "utc": "2006-09-01T09:52:57Z",
              "ms": 1157104377082.6626
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 14:38 on Thu 31 Aug to 15:04 on Fri 1 Sep.",
          "fact": "2006-08-31T10:37:31Z → 2006-09-01T11:03:45Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:05–13:53 on the 31st, 13:05–13:53 on the 1st.",
          "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 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: unstated → only-day · margin 2655 s"
        },
        {
          "step": "ruling",
          "text": "Rādhāṣṭamī, Moscow, 2006: Friday 1 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": "2006-09-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-09-01",
          "confidence": "boundary"
        }
      ],
      "quote": "In Moscow, Rādhāṣṭamī 2006 falls on Friday 1 September. Aṣṭamī runs from 14:38 on Thu 31 Aug to 15:04 on Fri 1 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/ekadashi?on=2006-09-04",
      "festival": "ekadashi",
      "name": "Parivartanī Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-09-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17757,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-09-03T13:31:22+04:00",
          "utc": "2006-09-03T09:31:22Z",
          "ms": 1157275881544.7202
        },
        "end": {
          "local": "2006-09-04T11:35:45+04:00",
          "utc": "2006-09-04T07:35:45Z",
          "ms": 1157355344928.9827
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-09-03T13:31:22+04:00",
          "utc": "2006-09-03T09:31:22Z",
          "ms": 1157275881544.7202
        },
        "end": {
          "local": "2006-09-04T11:35:45+04:00",
          "utc": "2006-09-04T07:35:45Z",
          "ms": 1157355344928.9827
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-09-03",
          "window": {
            "start": {
              "local": "2006-09-03T06:37:52+04:00",
              "utc": "2006-09-03T02:37:52Z",
              "ms": 1157251072270.2576
            },
            "end": {
              "local": "2006-09-03T06:37:52+04:00",
              "utc": "2006-09-03T02:37:52Z",
              "ms": 1157251072270.2576
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2006-09-04",
          "window": {
            "start": {
              "local": "2006-09-04T06:39:48+04:00",
              "utc": "2006-09-04T02:39:48Z",
              "ms": 1157337587925.9556
            },
            "end": {
              "local": "2006-09-04T06:39:48+04:00",
              "utc": "2006-09-04T02:39:48Z",
              "ms": 1157337587925.9556
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 13:31 on Sun 3 Sep to 11:36 on Mon 4 Sep.",
          "fact": "2006-09-03T09:31:22Z → 2006-09-04T07:35:45Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:38 on the 3rd and 06:40 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 17757 s"
        },
        {
          "step": "ruling",
          "text": "Parivartanī Ekādaśī, Moscow, 2006: Monday 4 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": "2006-09-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-09-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Parivartanī Ekādaśī 2006 falls on Monday 4 September. Ekādaśī runs from 13:31 on Sun 3 Sep to 11:36 on Mon 4 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-09-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/vamana-jayanti",
      "festival": "vamana-jayanti",
      "name": "Vāmana Jayantī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-09-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5294,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2006-09-04T11:35:45+04:00",
          "utc": "2006-09-04T07:35:45Z",
          "ms": 1157355344928.9827
        },
        "end": {
          "local": "2006-09-05T09:00:44+04:00",
          "utc": "2006-09-05T05:00:44Z",
          "ms": 1157432444216.572
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-09-04T11:35:45+04:00",
          "utc": "2006-09-04T07:35:45Z",
          "ms": 1157355344928.9827
        },
        "end": {
          "local": "2006-09-05T09:00:44+04:00",
          "utc": "2006-09-05T05:00:44Z",
          "ms": 1157432444216.572
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-09-04",
          "window": {
            "start": {
              "local": "2006-09-04T13:03:59+04:00",
              "utc": "2006-09-04T09:03:59Z",
              "ms": 1157360639171.4712
            },
            "end": {
              "local": "2006-09-04T13:51:59+04:00",
              "utc": "2006-09-04T09:51:59Z",
              "ms": 1157363519171.4712
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-09-05",
          "window": {
            "start": {
              "local": "2006-09-05T13:03:39+04:00",
              "utc": "2006-09-05T09:03:39Z",
              "ms": 1157447019333.8127
            },
            "end": {
              "local": "2006-09-05T13:51:39+04:00",
              "utc": "2006-09-05T09:51:39Z",
              "ms": 1157449899333.8127
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 11:36 on Mon 4 Sep to 09:01 on Tue 5 Sep.",
          "fact": "2006-09-04T07:35:45Z → 2006-09-05T05:00:44Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 13:04–13:52 on the 4th, 13:04–13:52 on the 5th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 5294 s"
        },
        {
          "step": "ruling",
          "text": "Vāmana Jayantī, Moscow, 2006: Monday 4 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vamana-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-09-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-09-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Vāmana Jayantī 2006 falls on Monday 4 September. Dvādaśī runs from 11:36 on Mon 4 Sep to 09:01 on Tue 5 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/pradosha-vrata?on=2006-09-05",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-09-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29787,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-09-05T09:00:44+04:00",
          "utc": "2006-09-05T05:00:44Z",
          "ms": 1157432444216.572
        },
        "end": {
          "local": "2006-09-06T05:54:03+04:00",
          "utc": "2006-09-06T01:54:03Z",
          "ms": 1157507642859.1284
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-09-05T09:00:44+04:00",
          "utc": "2006-09-05T05:00:44Z",
          "ms": 1157432444216.572
        },
        "end": {
          "local": "2006-09-06T05:54:03+04:00",
          "utc": "2006-09-06T01:54:03Z",
          "ms": 1157507642859.1284
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-09-04",
          "window": {
            "start": {
              "local": "2006-09-04T20:16:10+04:00",
              "utc": "2006-09-04T16:16:10Z",
              "ms": 1157386570416.987
            },
            "end": {
              "local": "2006-09-04T21:39:35+04:00",
              "utc": "2006-09-04T17:39:35Z",
              "ms": 1157391574828.1174
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        },
        {
          "local_date": "2006-09-05",
          "window": {
            "start": {
              "local": "2006-09-05T20:13:35+04:00",
              "utc": "2006-09-05T16:13:35Z",
              "ms": 1157472815167.161
            },
            "end": {
              "local": "2006-09-05T21:37:36+04:00",
              "utc": "2006-09-05T17:37:36Z",
              "ms": 1157477855678.6096
            }
          },
          "covered_min": 84,
          "window_min": 84,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 09:01 on Tue 5 Sep to 05:54 on Wed 6 Sep.",
          "fact": "2006-09-05T05:00:44Z → 2006-09-06T01:54:03Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 20:16–21:40 on the 4th, 20:14–21:38 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 83 minutes on the 4th and 84 of 84 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 29787 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Moscow, 2006: Tuesday 5 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": "2006-09-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-09-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Śukla Pradoṣa Vrata 2006 falls on Tuesday 5 September. Trayodaśī runs from 09:01 on Tue 5 Sep to 05:54 on Wed 6 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/pradosha-vrata?on=2006-09-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/ananta-chaturdashi",
      "festival": "ananta-chaturdashi",
      "name": "Ananta Caturdaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-09-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2976,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2006-09-06T05:54:03+04:00",
          "utc": "2006-09-06T01:54:03Z",
          "ms": 1157507642859.1284
        },
        "end": {
          "local": "2006-09-07T02:24:37+04:00",
          "utc": "2006-09-06T22:24:37Z",
          "ms": 1157581477238.1504
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-09-06T05:54:03+04:00",
          "utc": "2006-09-06T01:54:03Z",
          "ms": 1157507642859.1284
        },
        "end": {
          "local": "2006-09-07T02:24:37+04:00",
          "utc": "2006-09-06T22:24:37Z",
          "ms": 1157581477238.1504
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "2006-09-06",
          "window": {
            "start": {
              "local": "2006-09-06T06:43:39+04:00",
              "utc": "2006-09-06T02:43:39Z",
              "ms": 1157510619003.0266
            },
            "end": {
              "local": "2006-09-06T09:25:07+04:00",
              "utc": "2006-09-06T05:25:07Z",
              "ms": 1157520307106.5696
            }
          },
          "covered_min": 161,
          "window_min": 161,
          "qualifies": true
        },
        {
          "local_date": "2006-09-07",
          "window": {
            "start": {
              "local": "2006-09-07T06:45:34+04:00",
              "utc": "2006-09-07T02:45:34Z",
              "ms": 1157597134446.3987
            },
            "end": {
              "local": "2006-09-07T09:26:08+04:00",
              "utc": "2006-09-07T05:26:08Z",
              "ms": 1157606768258.6758
            }
          },
          "covered_min": 0,
          "window_min": 161,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 05:54 on Wed 6 Sep to 02:25 on Thu 7 Sep.",
          "fact": "2006-09-06T01:54:03Z → 2006-09-06T22:24:37Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:44–09:25 on the 6th, 06:46–09:26 on the 7th.",
          "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 161 of 161 minutes on the 6th and 0 of 161 on the 7th.",
          "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 2976 s"
        },
        {
          "step": "ruling",
          "text": "Ananta Caturdaśī, Moscow, 2006: Wednesday 6 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": "2006-09-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-09-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Ananta Caturdaśī 2006 falls on Wednesday 6 September. Caturdaśī runs from 05:54 on Wed 6 Sep to 02:25 on Thu 7 Sep and covers all of the first three muhūrtas after sunrise that morning.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/sankashta-chaturthi?on=2006-09-10",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-09-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31212,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-09-10T11:53:12+04:00",
          "utc": "2006-09-10T07:53:12Z",
          "ms": 1157874791927.6016
        },
        "end": {
          "local": "2006-09-11T08:54:07+04:00",
          "utc": "2006-09-11T04:54:07Z",
          "ms": 1157950446914.3535
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-09-10T11:53:12+04:00",
          "utc": "2006-09-10T07:53:12Z",
          "ms": 1157874791927.6016
        },
        "end": {
          "local": "2006-09-11T08:54:07+04:00",
          "utc": "2006-09-11T04:54:07Z",
          "ms": 1157950446914.3535
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2006-09-10",
          "window": {
            "start": {
              "local": "2006-09-10T20:33:24+04:00",
              "utc": "2006-09-10T16:33:24Z",
              "ms": 1157906003973.391
            },
            "end": {
              "local": "2006-09-10T20:33:24+04:00",
              "utc": "2006-09-10T16:33:24Z",
              "ms": 1157906003973.391
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2006-09-11",
          "window": {
            "start": {
              "local": "2006-09-11T20:43:58+04:00",
              "utc": "2006-09-11T16:43:58Z",
              "ms": 1157993037570.6702
            },
            "end": {
              "local": "2006-09-11T20:43:58+04:00",
              "utc": "2006-09-11T16:43:58Z",
              "ms": 1157993037570.6702
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:53 on Sun 10 Sep to 08:54 on Mon 11 Sep.",
          "fact": "2006-09-10T07:53:12Z → 2006-09-11T04:54:07Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:33 on the 10th and 20:44 on the 11th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 10th and is not on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 31212 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Moscow, 2006: Sunday 10 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": "2006-09-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-09-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Saṅkaṣṭa Caturthī 2006 falls on Sunday 10 September. Caturthī runs from 11:53 on Sun 10 Sep to 08:54 on Mon 11 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/sankashta-chaturthi?on=2006-09-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/chandra-shashthi",
      "festival": "chandra-shashthi",
      "name": "Candra Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-09-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27522,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2006-09-12T06:27:09+04:00",
          "utc": "2006-09-12T02:27:09Z",
          "ms": 1158028028792.7607
        },
        "end": {
          "local": "2006-09-13T04:38:24+04:00",
          "utc": "2006-09-13T00:38:24Z",
          "ms": 1158107904104.26
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-09-12T06:27:09+04:00",
          "utc": "2006-09-12T02:27:09Z",
          "ms": 1158028028792.7607
        },
        "end": {
          "local": "2006-09-13T04:38:24+04:00",
          "utc": "2006-09-13T00:38:24Z",
          "ms": 1158107904104.26
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2006-09-11",
          "window": {
            "start": {
              "local": "2006-09-11T20:43:58+04:00",
              "utc": "2006-09-11T16:43:58Z",
              "ms": 1157993037570.6702
            },
            "end": {
              "local": "2006-09-11T20:43:58+04:00",
              "utc": "2006-09-11T16:43:58Z",
              "ms": 1157993037570.6702
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2006-09-12",
          "window": {
            "start": {
              "local": "2006-09-12T20:59:42+04:00",
              "utc": "2006-09-12T16:59:42Z",
              "ms": 1158080382169.4902
            },
            "end": {
              "local": "2006-09-12T20:59:42+04:00",
              "utc": "2006-09-12T16:59:42Z",
              "ms": 1158080382169.4902
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 06:27 on Tue 12 Sep to 04:38 on Wed 13 Sep.",
          "fact": "2006-09-12T02:27:09Z → 2006-09-13T00:38:24Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:44 on the 11th and 21:00 on the 12th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 11th and is on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 27522 s"
        },
        {
          "step": "ruling",
          "text": "Candra Ṣaṣṭhī, Moscow, 2006: Tuesday 12 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": "2006-09-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-09-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Candra Ṣaṣṭhī 2006 falls on Tuesday 12 September. Ṣaṣṭhī runs from 06:27 on Tue 12 Sep to 04:38 on Wed 13 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/jitashtami",
      "festival": "jitashtami",
      "name": "Jitāṣṭamī",
      "everyday": "Jitiya",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-09-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21013,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2006-09-14T03:32:01+04:00",
          "utc": "2006-09-13T23:32:01Z",
          "ms": 1158190320908.0134
        },
        "end": {
          "local": "2006-09-15T03:09:44+04:00",
          "utc": "2006-09-14T23:09:44Z",
          "ms": 1158275384043.0227
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-09-14T03:32:01+04:00",
          "utc": "2006-09-13T23:32:01Z",
          "ms": 1158190320908.0134
        },
        "end": {
          "local": "2006-09-15T03:09:44+04:00",
          "utc": "2006-09-14T23:09:44Z",
          "ms": 1158275384043.0227
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-09-13",
          "window": {
            "start": {
              "local": "2006-09-13T19:52:41+04:00",
              "utc": "2006-09-13T15:52:41Z",
              "ms": 1158162761337.2742
            },
            "end": {
              "local": "2006-09-13T21:21:32+04:00",
              "utc": "2006-09-13T17:21:32Z",
              "ms": 1158168092137.1313
            }
          },
          "covered_min": 0,
          "window_min": 89,
          "qualifies": false
        },
        {
          "local_date": "2006-09-14",
          "window": {
            "start": {
              "local": "2006-09-14T19:50:04+04:00",
              "utc": "2006-09-14T15:50:04Z",
              "ms": 1158249003560.359
            },
            "end": {
              "local": "2006-09-14T21:19:31+04:00",
              "utc": "2006-09-14T17:19:31Z",
              "ms": 1158254370806.314
            }
          },
          "covered_min": 89,
          "window_min": 89,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 03:32 on Thu 14 Sep to 03:10 on Fri 15 Sep.",
          "fact": "2006-09-13T23:32:01Z → 2006-09-14T23:09:44Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:53–21:22 on the 13th, 19:50–21:20 on the 14th.",
          "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 89 minutes on the 13th and 89 of 89 on the 14th.",
          "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 21013 s"
        },
        {
          "step": "ruling",
          "text": "Jitāṣṭamī, Moscow, 2006: Thursday 14 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "jitashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja"
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-09-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-09-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Jitāṣṭamī (Jitiya) 2006 falls on Thursday 14 September. Aṣṭamī runs from 03:32 on Thu 14 Sep to 03:10 on Fri 15 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/mahalakshmi-vrata-samapana",
      "festival": "mahalakshmi-vrata-samapana",
      "name": "Mahālakṣmī Vrata Samāpana",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-09-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18230,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2006-09-14T03:32:01+04:00",
          "utc": "2006-09-13T23:32:01Z",
          "ms": 1158190320908.0134
        },
        "end": {
          "local": "2006-09-15T03:09:44+04:00",
          "utc": "2006-09-14T23:09:44Z",
          "ms": 1158275384043.0227
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-09-14T03:32:01+04:00",
          "utc": "2006-09-13T23:32:01Z",
          "ms": 1158190320908.0134
        },
        "end": {
          "local": "2006-09-15T03:09:44+04:00",
          "utc": "2006-09-14T23:09:44Z",
          "ms": 1158275384043.0227
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2006-09-13",
          "window": {
            "start": {
              "local": "2006-09-13T21:24:56+04:00",
              "utc": "2006-09-13T17:24:56Z",
              "ms": 1158168296267.7847
            },
            "end": {
              "local": "2006-09-13T21:24:56+04:00",
              "utc": "2006-09-13T17:24:56Z",
              "ms": 1158168296267.7847
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2006-09-14",
          "window": {
            "start": {
              "local": "2006-09-14T22:05:54+04:00",
              "utc": "2006-09-14T18:05:54Z",
              "ms": 1158257153759.7288
            },
            "end": {
              "local": "2006-09-14T22:05:54+04:00",
              "utc": "2006-09-14T18:05:54Z",
              "ms": 1158257153759.7288
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 03:32 on Thu 14 Sep to 03:10 on Fri 15 Sep.",
          "fact": "2006-09-13T23:32:01Z → 2006-09-14T23:09:44Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:25 on the 13th and 22:06 on the 14th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is not on the 13th and is on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 18230 s"
        },
        {
          "step": "ruling",
          "text": "Mahālakṣmī Vrata Samāpana, Moscow, 2006: Thursday 14 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mahalakshmi-vrata-samapana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja"
          }
        ],
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-09-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-09-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Mahālakṣmī Vrata Samāpana 2006 falls on Thursday 14 September. Aṣṭamī runs from 03:32 on Thu 14 Sep to 03:10 on Fri 15 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/ekadashi?on=2006-09-17",
      "festival": "ekadashi",
      "name": "Indirā Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-09-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3610,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-09-17T04:31:29+04:00",
          "utc": "2006-09-17T00:31:29Z",
          "ms": 1158453089038.0632
        },
        "end": {
          "local": "2006-09-18T06:06:36+04:00",
          "utc": "2006-09-18T02:06:36Z",
          "ms": 1158545195532.756
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-09-17T04:31:29+04:00",
          "utc": "2006-09-17T00:31:29Z",
          "ms": 1158453089038.0632
        },
        "end": {
          "local": "2006-09-18T06:06:36+04:00",
          "utc": "2006-09-18T02:06:36Z",
          "ms": 1158545195532.756
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-09-17",
          "window": {
            "start": {
              "local": "2006-09-17T07:04:49+04:00",
              "utc": "2006-09-17T03:04:49Z",
              "ms": 1158462289273.9946
            },
            "end": {
              "local": "2006-09-17T07:04:49+04:00",
              "utc": "2006-09-17T03:04:49Z",
              "ms": 1158462289273.9946
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2006-09-18",
          "window": {
            "start": {
              "local": "2006-09-18T07:06:45+04:00",
              "utc": "2006-09-18T03:06:45Z",
              "ms": 1158548805092.3953
            },
            "end": {
              "local": "2006-09-18T07:06:45+04:00",
              "utc": "2006-09-18T03:06:45Z",
              "ms": 1158548805092.3953
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 04:31 on Sun 17 Sep to 06:07 on Mon 18 Sep.",
          "fact": "2006-09-17T00:31:29Z → 2006-09-18T02:06:36Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:05 on the 17th and 07:07 on the 18th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 17th and is not on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 3610 s"
        },
        {
          "step": "ruling",
          "text": "Indirā Ekādaśī, Moscow, 2006: Sunday 17 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": "2006-09-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-09-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Indirā Ekādaśī 2006 falls on Sunday 17 September. Ekādaśī runs from 04:31 on Sun 17 Sep to 06:07 on Mon 18 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-09-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/pradosha-vrata?on=2006-09-19",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-09-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32575,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-09-19T08:09:04+04:00",
          "utc": "2006-09-19T04:09:04Z",
          "ms": 1158638944464.5679
        },
        "end": {
          "local": "2006-09-20T10:31:20+04:00",
          "utc": "2006-09-20T06:31:20Z",
          "ms": 1158733880093.5327
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-09-19T08:09:04+04:00",
          "utc": "2006-09-19T04:09:04Z",
          "ms": 1158638944464.5679
        },
        "end": {
          "local": "2006-09-20T10:31:20+04:00",
          "utc": "2006-09-20T06:31:20Z",
          "ms": 1158733880093.5327
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-09-19",
          "window": {
            "start": {
              "local": "2006-09-19T19:36:53+04:00",
              "utc": "2006-09-19T15:36:53Z",
              "ms": 1158680213164.41
            },
            "end": {
              "local": "2006-09-19T21:09:23+04:00",
              "utc": "2006-09-19T17:09:23Z",
              "ms": 1158685763014.7183
            }
          },
          "covered_min": 92,
          "window_min": 92,
          "qualifies": true
        },
        {
          "local_date": "2006-09-20",
          "window": {
            "start": {
              "local": "2006-09-20T19:34:15+04:00",
              "utc": "2006-09-20T15:34:15Z",
              "ms": 1158766454973.8037
            },
            "end": {
              "local": "2006-09-20T21:07:21+04:00",
              "utc": "2006-09-20T17:07:21Z",
              "ms": 1158772041402.5925
            }
          },
          "covered_min": 0,
          "window_min": 93,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 08:09 on Tue 19 Sep to 10:31 on Wed 20 Sep.",
          "fact": "2006-09-19T04:09:04Z → 2006-09-20T06:31:20Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:37–21:09 on the 19th, 19:34–21:07 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 92 of 92 minutes on the 19th and 0 of 93 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 32575 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2006: Tuesday 19 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": "2006-09-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-09-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2006 falls on Tuesday 19 September. Trayodaśī runs from 08:09 on Tue 19 Sep to 10:31 on Wed 20 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/pradosha-vrata?on=2006-09-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/shivaratri?on=2006-09-20",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-09-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31415,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2006-09-20T10:31:20+04:00",
          "utc": "2006-09-20T06:31:20Z",
          "ms": 1158733880093.5327
        },
        "end": {
          "local": "2006-09-21T13:05:45+04:00",
          "utc": "2006-09-21T09:05:45Z",
          "ms": 1158829545444.3457
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-09-20T10:31:20+04:00",
          "utc": "2006-09-20T06:31:20Z",
          "ms": 1158733880093.5327
        },
        "end": {
          "local": "2006-09-21T13:05:45+04:00",
          "utc": "2006-09-21T09:05:45Z",
          "ms": 1158829545444.3457
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2006-09-19",
          "window": {
            "start": {
              "local": "2006-09-20T00:59:45+04:00",
              "utc": "2006-09-19T20:59:45Z",
              "ms": 1158699585103.0664
            },
            "end": {
              "local": "2006-09-20T01:47:45+04:00",
              "utc": "2006-09-19T21:47:45Z",
              "ms": 1158702465103.0664
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-09-20",
          "window": {
            "start": {
              "local": "2006-09-21T00:59:24+04:00",
              "utc": "2006-09-20T20:59:24Z",
              "ms": 1158785964081.7617
            },
            "end": {
              "local": "2006-09-21T01:47:24+04:00",
              "utc": "2006-09-20T21:47:24Z",
              "ms": 1158788844081.7617
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 10:31 on Wed 20 Sep to 13:06 on Thu 21 Sep.",
          "fact": "2006-09-20T06:31:20Z → 2006-09-21T09:05:45Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 01:00–01:48 on the 19th, 00:59–01:47 on the 20th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 31415 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Moscow, 2006: Wednesday 20 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": "2006-09-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-09-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Śivarātri 2006 falls on Wednesday 20 September. Caturdaśī runs from 10:31 on Wed 20 Sep to 13:06 on Thu 21 Sep and covers all of niśītha that night.",
      "cite": "https://ahargana.org/moscow/festivals/2006/shivaratri?on=2006-09-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/mahalaya-amavasya",
      "festival": "mahalaya-amavasya",
      "name": "Mahālaya Amāvāsyā",
      "everyday": "Sarvapitṛ Amāvāsyā",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-09-21",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 4192,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2006-09-21T13:05:45+04:00",
          "utc": "2006-09-21T09:05:45Z",
          "ms": 1158829545444.3457
        },
        "end": {
          "local": "2006-09-22T15:45:03+04:00",
          "utc": "2006-09-22T11:45:03Z",
          "ms": 1158925503275.4514
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-09-21T13:05:45+04:00",
          "utc": "2006-09-21T09:05:45Z",
          "ms": 1158829545444.3457
        },
        "end": {
          "local": "2006-09-22T15:45:03+04:00",
          "utc": "2006-09-22T11:45:03Z",
          "ms": 1158925503275.4514
        }
      },
      "kaala": "aparahna",
      "days": [
        {
          "local_date": "2006-09-21",
          "window": {
            "start": {
              "local": "2006-09-21T14:35:59+04:00",
              "utc": "2006-09-21T10:35:59Z",
              "ms": 1158834959360.4482
            },
            "end": {
              "local": "2006-09-21T17:03:48+04:00",
              "utc": "2006-09-21T13:03:48Z",
              "ms": 1158843828084.0242
            }
          },
          "covered_min": 148,
          "window_min": 148,
          "qualifies": true
        },
        {
          "local_date": "2006-09-22",
          "window": {
            "start": {
              "local": "2006-09-22T14:35:11+04:00",
              "utc": "2006-09-22T10:35:11Z",
              "ms": 1158921311001.946
            },
            "end": {
              "local": "2006-09-22T17:02:05+04:00",
              "utc": "2006-09-22T13:02:05Z",
              "ms": 1158930124847.2888
            }
          },
          "covered_min": 70,
          "window_min": 147,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 13:06 on Thu 21 Sep to 15:45 on Fri 22 Sep.",
          "fact": "2006-09-21T09:05:45Z → 2006-09-22T11:45:03Z"
        },
        {
          "step": "kaala",
          "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 14:36–17:04 on the 21st, 14:35–17:02 on the 22nd.",
          "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during aparāhṇa. It covers 148 of 148 minutes on the 21st and 70 of 147 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Both afternoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 4192 s"
        },
        {
          "step": "ruling",
          "text": "Mahālaya Amāvāsyā, Moscow, 2006: Thursday 21 September.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "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": "2006-09-21",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-09-21",
          "confidence": "boundary"
        }
      ],
      "quote": "In Moscow, Mahālaya Amāvāsyā 2006 falls on Thursday 21 September. Amāvasyā runs from 13:06 on Thu 21 Sep to 15:45 on Fri 22 Sep and covers all of aparāhṇa that afternoon. It also reaches the next afternoon for 70 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/moscow/festivals/2006/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": "/moscow/festivals/2006/navaratra-arambha",
      "festival": "navaratra-arambha",
      "name": "Navarātrārambha",
      "everyday": "Navratri",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-09-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7159,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2006-09-22T15:45:03+04:00",
          "utc": "2006-09-22T11:45:03Z",
          "ms": 1158925503275.4514
        },
        "end": {
          "local": "2006-09-23T18:22:19+04:00",
          "utc": "2006-09-23T14:22:19Z",
          "ms": 1159021338865.725
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-09-22T15:45:03+04:00",
          "utc": "2006-09-22T11:45:03Z",
          "ms": 1158925503275.4514
        },
        "end": {
          "local": "2006-09-23T18:22:19+04:00",
          "utc": "2006-09-23T14:22:19Z",
          "ms": 1159021338865.725
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-09-22",
          "window": {
            "start": {
              "local": "2006-09-22T12:57:44+04:00",
              "utc": "2006-09-22T08:57:44Z",
              "ms": 1158915464079.2744
            },
            "end": {
              "local": "2006-09-22T13:45:44+04:00",
              "utc": "2006-09-22T09:45:44Z",
              "ms": 1158918344079.2744
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-09-23",
          "window": {
            "start": {
              "local": "2006-09-23T12:57:23+04:00",
              "utc": "2006-09-23T08:57:23Z",
              "ms": 1159001843266.956
            },
            "end": {
              "local": "2006-09-23T13:45:23+04:00",
              "utc": "2006-09-23T09:45:23Z",
              "ms": 1159004723266.956
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 15:45 on Fri 22 Sep to 18:22 on Sat 23 Sep.",
          "fact": "2006-09-22T11:45:03Z → 2006-09-23T14:22:19Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:58–13:46 on the 22nd, 12:57–13:45 on the 23rd.",
          "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 22nd and 48 of 48 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 7159 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha, Moscow, 2006: Saturday 23 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "navaratra-arambha",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Navaratrarambha (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-09-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-09-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Navarātrārambha (Navratri) 2006 falls on Saturday 23 September. Pratipadā runs from 15:45 on Fri 22 Sep to 18:22 on Sat 23 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/vinayaka-chaturthi?on=2006-09-26",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-09-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33557,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-09-25T23:03:59+04:00",
          "utc": "2006-09-25T19:03:59Z",
          "ms": 1159211039071.9312
        },
        "end": {
          "local": "2006-09-27T00:55:03+04:00",
          "utc": "2006-09-26T20:55:03Z",
          "ms": 1159304103465.024
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-09-25T23:03:59+04:00",
          "utc": "2006-09-25T19:03:59Z",
          "ms": 1159211039071.9312
        },
        "end": {
          "local": "2006-09-27T00:55:03+04:00",
          "utc": "2006-09-26T20:55:03Z",
          "ms": 1159304103465.024
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-09-25",
          "window": {
            "start": {
              "local": "2006-09-25T12:56:42+04:00",
              "utc": "2006-09-25T08:56:42Z",
              "ms": 1159174602034.124
            },
            "end": {
              "local": "2006-09-25T13:44:42+04:00",
              "utc": "2006-09-25T09:44:42Z",
              "ms": 1159177482034.124
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-09-26",
          "window": {
            "start": {
              "local": "2006-09-26T12:56:22+04:00",
              "utc": "2006-09-26T08:56:22Z",
              "ms": 1159260981649.1458
            },
            "end": {
              "local": "2006-09-26T13:44:22+04:00",
              "utc": "2006-09-26T09:44:22Z",
              "ms": 1159263861649.1458
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:04 on Mon 25 Sep to 00:55 on Wed 27 Sep.",
          "fact": "2006-09-25T19:03:59Z → 2006-09-26T20:55:03Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:57–13:45 on the 25th, 12:56–13:44 on the 26th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 33557 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Moscow, 2006: Tuesday 26 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-09-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-09-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Vināyaka Caturthī 2006 falls on Tuesday 26 September. Caturthī runs from 23:04 on Mon 25 Sep to 00:55 on Wed 27 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/vinayaka-chaturthi?on=2006-09-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/durga-saptami",
      "festival": "durga-saptami",
      "name": "Durgā Saptamī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-09-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15315,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2006-09-29T03:05:42+04:00",
          "utc": "2006-09-28T23:05:42Z",
          "ms": 1159484741732.232
        },
        "end": {
          "local": "2006-09-30T03:14:50+04:00",
          "utc": "2006-09-29T23:14:50Z",
          "ms": 1159571690268.12
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-09-29T03:05:42+04:00",
          "utc": "2006-09-28T23:05:42Z",
          "ms": 1159484741732.232
        },
        "end": {
          "local": "2006-09-30T03:14:50+04:00",
          "utc": "2006-09-29T23:14:50Z",
          "ms": 1159571690268.12
        }
      },
      "kaala": "udaya-1",
      "days": [
        {
          "local_date": "2006-09-29",
          "window": {
            "start": {
              "local": "2006-09-29T07:28:08+04:00",
              "utc": "2006-09-29T03:28:08Z",
              "ms": 1159500487721.5642
            },
            "end": {
              "local": "2006-09-29T08:14:58+04:00",
              "utc": "2006-09-29T04:14:58Z",
              "ms": 1159503297576.9058
            }
          },
          "covered_min": 47,
          "window_min": 47,
          "qualifies": true
        },
        {
          "local_date": "2006-09-30",
          "window": {
            "start": {
              "local": "2006-09-30T07:30:05+04:00",
              "utc": "2006-09-30T03:30:05Z",
              "ms": 1159587005339.9956
            },
            "end": {
              "local": "2006-09-30T08:16:37+04:00",
              "utc": "2006-09-30T04:16:37Z",
              "ms": 1159589796904.6448
            }
          },
          "covered_min": 0,
          "window_min": 47,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 03:06 on Fri 29 Sep to 03:15 on Sat 30 Sep.",
          "fact": "2006-09-28T23:05:42Z → 2006-09-29T23:14:50Z"
        },
        {
          "step": "kaala",
          "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 07:28–08:15 on the 29th, 07:30–08:17 on the 30th.",
          "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 47 of 47 minutes on the 29th and 0 of 47 on the 30th.",
          "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 15315 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Saptamī, Moscow, 2006: Friday 29 September.",
          "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": "2006-09-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-09-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Durgā Saptamī 2006 falls on Friday 29 September. Saptamī runs from 03:06 on Fri 29 Sep to 03:15 on Sat 30 Sep and covers all of the first muhūrta after sunrise that morning.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/mahashtami",
      "festival": "mahashtami",
      "name": "Mahāṣṭamī",
      "everyday": "Durga Ashtami",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-09-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34812,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2006-09-30T03:14:50+04:00",
          "utc": "2006-09-29T23:14:50Z",
          "ms": 1159571690268.12
        },
        "end": {
          "local": "2006-10-01T02:42:16+04:00",
          "utc": "2006-09-30T22:42:16Z",
          "ms": 1159656135994.1624
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-09-30T03:14:50+04:00",
          "utc": "2006-09-29T23:14:50Z",
          "ms": 1159571690268.12
        },
        "end": {
          "local": "2006-10-01T02:42:16+04:00",
          "utc": "2006-09-30T22:42:16Z",
          "ms": 1159656135994.1624
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-09-30",
          "window": {
            "start": {
              "local": "2006-09-30T12:55:02+04:00",
              "utc": "2006-09-30T08:55:02Z",
              "ms": 1159606502074.8643
            },
            "end": {
              "local": "2006-09-30T13:43:02+04:00",
              "utc": "2006-09-30T09:43:02Z",
              "ms": 1159609382074.8643
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-10-01",
          "window": {
            "start": {
              "local": "2006-10-01T12:54:43+04:00",
              "utc": "2006-10-01T08:54:43Z",
              "ms": 1159692882766.2505
            },
            "end": {
              "local": "2006-10-01T13:42:43+04:00",
              "utc": "2006-10-01T09:42:43Z",
              "ms": 1159695762766.2505
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 03:15 on Sat 30 Sep to 02:42 on Sun 1 Oct.",
          "fact": "2006-09-29T23:14:50Z → 2006-09-30T22:42:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:55–13:43 on the 30th, 12:55–13:43 on the 1st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 34812 s"
        },
        {
          "step": "ruling",
          "text": "Mahāṣṭamī, Moscow, 2006: Saturday 30 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mahashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 8 Mahastami (paraviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-09-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-09-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Mahāṣṭamī (Durga Ashtami) 2006 falls on Saturday 30 September. Aṣṭamī runs from 03:15 on Sat 30 Sep to 02:42 on Sun 1 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/mahanavami",
      "festival": "mahanavami",
      "name": "Mahānavamī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36747,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2006-10-01T02:42:16+04:00",
          "utc": "2006-09-30T22:42:16Z",
          "ms": 1159656135994.1624
        },
        "end": {
          "local": "2006-10-02T01:27:29+04:00",
          "utc": "2006-10-01T21:27:29Z",
          "ms": 1159738049262.9746
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-10-01T02:42:16+04:00",
          "utc": "2006-09-30T22:42:16Z",
          "ms": 1159656135994.1624
        },
        "end": {
          "local": "2006-10-02T01:27:29+04:00",
          "utc": "2006-10-01T21:27:29Z",
          "ms": 1159738049262.9746
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-10-01",
          "window": {
            "start": {
              "local": "2006-10-01T12:54:43+04:00",
              "utc": "2006-10-01T08:54:43Z",
              "ms": 1159692882766.2505
            },
            "end": {
              "local": "2006-10-01T13:42:43+04:00",
              "utc": "2006-10-01T09:42:43Z",
              "ms": 1159695762766.2505
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-10-02",
          "window": {
            "start": {
              "local": "2006-10-02T12:54:24+04:00",
              "utc": "2006-10-02T08:54:24Z",
              "ms": 1159779263730.7625
            },
            "end": {
              "local": "2006-10-02T13:42:24+04:00",
              "utc": "2006-10-02T09:42:24Z",
              "ms": 1159782143730.7625
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 02:42 on Sun 1 Oct to 01:27 on Mon 2 Oct.",
          "fact": "2006-09-30T22:42:16Z → 2006-10-01T21:27:29Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:55–13:43 on the 1st, 12:54–13:42 on the 2nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 1st and 0 of 48 on the 2nd.",
          "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 36747 s"
        },
        {
          "step": "ruling",
          "text": "Mahānavamī, Moscow, 2006: Sunday 1 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": "2006-10-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Mahānavamī 2006 falls on Sunday 1 October. Navamī runs from 02:42 on Sun 1 Oct to 01:27 on Mon 2 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/vijaya-dashami",
      "festival": "vijaya-dashami",
      "name": "Vijayā Daśamī",
      "everyday": "Dussehra",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16176,
      "anga": {
        "type": "tithi",
        "index": 9,
        "key": "dashami",
        "name": "Daśamī",
        "start": {
          "local": "2006-10-02T01:27:29+04:00",
          "utc": "2006-10-01T21:27:29Z",
          "ms": 1159738049262.9746
        },
        "end": {
          "local": "2006-10-02T23:32:22+04:00",
          "utc": "2006-10-02T19:32:22Z",
          "ms": 1159817541988.7192
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "conjunction",
        "start": {
          "local": "2006-10-02T14:10:40+04:00",
          "utc": "2006-10-02T10:10:40Z",
          "ms": 1159783839537.5374
        },
        "end": {
          "local": "2006-10-02T23:32:22+04:00",
          "utc": "2006-10-02T19:32:22Z",
          "ms": 1159817541988.7192
        },
        "nakshatra": {
          "type": "nakshatra",
          "index": 21,
          "key": "shravana",
          "name": "Śravaṇa",
          "start": {
            "local": "2006-10-02T14:10:40+04:00",
            "utc": "2006-10-02T10:10:40Z",
            "ms": 1159783839537.5374
          },
          "end": {
            "local": "2006-10-03T12:38:21+04:00",
            "utc": "2006-10-03T08:38:21Z",
            "ms": 1159864700925.278
          }
        }
      },
      "kaala": "daytime",
      "days": [
        {
          "local_date": "2006-10-02",
          "window": {
            "start": {
              "local": "2006-10-02T07:34:01+04:00",
              "utc": "2006-10-02T03:34:01Z",
              "ms": 1159760041214.0557
            },
            "end": {
              "local": "2006-10-02T19:02:46+04:00",
              "utc": "2006-10-02T15:02:46Z",
              "ms": 1159801366247.4692
            }
          },
          "covered_min": 292,
          "window_min": 689,
          "qualifies": true
        },
        {
          "local_date": "2006-10-03",
          "window": {
            "start": {
              "local": "2006-10-03T07:35:59+04:00",
              "utc": "2006-10-03T03:35:59Z",
              "ms": 1159846559491.0376
            },
            "end": {
              "local": "2006-10-03T19:00:10+04:00",
              "utc": "2006-10-03T15:00:10Z",
              "ms": 1159887610486.3599
            }
          },
          "covered_min": 0,
          "window_min": 684,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Daśamī runs from 01:27 on Mon 2 Oct to 23:32 on Mon 2 Oct, and Śravaṇa from 14:11 on Mon 2 Oct to 12:38 on Tue 3 Oct. They are together from 14:11 on Mon 2 Oct to 23:32 on Mon 2 Oct.",
          "fact": "2006-10-02T10:10:40Z → 2006-10-02T19:32:22Z"
        },
        {
          "step": "kaala",
          "text": "The day time is sunrise to sunset: 07:34–19:03 on the 2nd, 07:36–19:00 on the 3rd.",
          "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 292 of 689 minutes on the 2nd and 0 of 684 on the 3rd.",
          "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 16176 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Daśamī, Moscow, 2006: Monday 2 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": "2006-10-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Vijayā Daśamī (Dussehra) 2006 falls on Monday 2 October. Daśamī runs from 01:27 on Mon 2 Oct to 23:32 on Mon 2 Oct and is with Śravaṇa in the day time that day, for 292 minutes.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/ekadashi?on=2006-10-03",
      "festival": "ekadashi",
      "name": "Pāśāṅkuśā Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29018,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-10-02T23:32:22+04:00",
          "utc": "2006-10-02T19:32:22Z",
          "ms": 1159817541988.7192
        },
        "end": {
          "local": "2006-10-03T21:00:59+04:00",
          "utc": "2006-10-03T17:00:59Z",
          "ms": 1159894859065.4023
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-10-02T23:32:22+04:00",
          "utc": "2006-10-02T19:32:22Z",
          "ms": 1159817541988.7192
        },
        "end": {
          "local": "2006-10-03T21:00:59+04:00",
          "utc": "2006-10-03T17:00:59Z",
          "ms": 1159894859065.4023
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-10-03",
          "window": {
            "start": {
              "local": "2006-10-03T07:35:59+04:00",
              "utc": "2006-10-03T03:35:59Z",
              "ms": 1159846559491.0376
            },
            "end": {
              "local": "2006-10-03T07:35:59+04:00",
              "utc": "2006-10-03T03:35:59Z",
              "ms": 1159846559491.0376
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2006-10-04",
          "window": {
            "start": {
              "local": "2006-10-04T07:37:58+04:00",
              "utc": "2006-10-04T03:37:58Z",
              "ms": 1159933078011.1094
            },
            "end": {
              "local": "2006-10-04T07:37:58+04:00",
              "utc": "2006-10-04T03:37:58Z",
              "ms": 1159933078011.1094
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 23:32 on Mon 2 Oct to 21:01 on Tue 3 Oct.",
          "fact": "2006-10-02T19:32:22Z → 2006-10-03T17:00:59Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:36 on the 3rd and 07:38 on the 4th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 3rd and is not on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 29018 s"
        },
        {
          "step": "ruling",
          "text": "Pāśāṅkuśā Ekādaśī, Moscow, 2006: Tuesday 3 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": "2006-10-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Pāśāṅkuśā Ekādaśī 2006 falls on Tuesday 3 October. Ekādaśī runs from 23:32 on Mon 2 Oct to 21:01 on Tue 3 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-10-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/pradosha-vrata?on=2006-10-04",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3496,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-10-04T17:59:19+04:00",
          "utc": "2006-10-04T13:59:19Z",
          "ms": 1159970359287.1685
        },
        "end": {
          "local": "2006-10-05T14:34:52+04:00",
          "utc": "2006-10-05T10:34:52Z",
          "ms": 1160044491975.51
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-10-04T17:59:19+04:00",
          "utc": "2006-10-04T13:59:19Z",
          "ms": 1159970359287.1685
        },
        "end": {
          "local": "2006-10-05T14:34:52+04:00",
          "utc": "2006-10-05T10:34:52Z",
          "ms": 1160044491975.51
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-10-04",
          "window": {
            "start": {
              "local": "2006-10-04T18:57:35+04:00",
              "utc": "2006-10-04T14:57:35Z",
              "ms": 1159973855112.0715
            },
            "end": {
              "local": "2006-10-04T20:39:14+04:00",
              "utc": "2006-10-04T16:39:14Z",
              "ms": 1159979954002.3574
            }
          },
          "covered_min": 102,
          "window_min": 102,
          "qualifies": true
        },
        {
          "local_date": "2006-10-05",
          "window": {
            "start": {
              "local": "2006-10-05T18:55:00+04:00",
              "utc": "2006-10-05T14:55:00Z",
              "ms": 1160060100154.7866
            },
            "end": {
              "local": "2006-10-05T20:37:16+04:00",
              "utc": "2006-10-05T16:37:16Z",
              "ms": 1160066235579.8118
            }
          },
          "covered_min": 0,
          "window_min": 102,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 17:59 on Wed 4 Oct to 14:35 on Thu 5 Oct.",
          "fact": "2006-10-04T13:59:19Z → 2006-10-05T10:34:52Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:39 on the 4th, 18:55–20:37 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 102 of 102 minutes on the 4th and 0 of 102 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 3496 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Moscow, 2006: Wednesday 4 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": "2006-10-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Śukla Pradoṣa Vrata 2006 falls on Wednesday 4 October. Trayodaśī runs from 17:59 on Wed 4 Oct to 14:35 on Thu 5 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/pradosha-vrata?on=2006-10-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/karaka-chaturthi",
      "festival": "karaka-chaturthi",
      "name": "Karaka Caturthī",
      "everyday": "Karwa Chauth",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-09",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 2143,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-10-09T21:13:11+04:00",
          "utc": "2006-10-09T17:13:11Z",
          "ms": 1160413991065.2625
        },
        "end": {
          "local": "2006-10-10T18:49:11+04:00",
          "utc": "2006-10-10T14:49:11Z",
          "ms": 1160491751118.52
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-10-09T21:13:11+04:00",
          "utc": "2006-10-09T17:13:11Z",
          "ms": 1160413991065.2625
        },
        "end": {
          "local": "2006-10-10T18:49:11+04:00",
          "utc": "2006-10-10T14:49:11Z",
          "ms": 1160491751118.52
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2006-10-09",
          "window": {
            "start": {
              "local": "2006-10-09T19:03:42+04:00",
              "utc": "2006-10-09T15:03:42Z",
              "ms": 1160406222420.0862
            },
            "end": {
              "local": "2006-10-09T19:03:42+04:00",
              "utc": "2006-10-09T15:03:42Z",
              "ms": 1160406222420.0862
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2006-10-10",
          "window": {
            "start": {
              "local": "2006-10-10T19:24:54+04:00",
              "utc": "2006-10-10T15:24:54Z",
              "ms": 1160493894322.2573
            },
            "end": {
              "local": "2006-10-10T19:24:54+04:00",
              "utc": "2006-10-10T15:24:54Z",
              "ms": 1160493894322.2573
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 21:13 on Mon 9 Oct to 18:49 on Tue 10 Oct.",
          "fact": "2006-10-09T17:13:11Z → 2006-10-10T14:49:11Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:04 on the 9th and 19:25 on the 10th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 9th and is not on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Neither moonrise qualifies. The day the tithi falls on is taken.",
          "fact": "priority: purvaviddha → tithi-day · margin 2143 s"
        },
        {
          "step": "ruling",
          "text": "Karaka Caturthī, Moscow, 2006: Monday 9 October.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "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": "2006-10-09",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-09",
          "confidence": "boundary"
        }
      ],
      "quote": "In Moscow, Karaka Caturthī (Karwa Chauth) 2006 falls on Monday 9 October. Caturthī runs from 21:13 on Mon 9 Oct to 18:49 on Tue 10 Oct, and is current at moonrise on neither day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/sankashta-chaturthi?on=2006-10-09",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-09",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 2143,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-10-09T21:13:11+04:00",
          "utc": "2006-10-09T17:13:11Z",
          "ms": 1160413991065.2625
        },
        "end": {
          "local": "2006-10-10T18:49:11+04:00",
          "utc": "2006-10-10T14:49:11Z",
          "ms": 1160491751118.52
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-10-09T21:13:11+04:00",
          "utc": "2006-10-09T17:13:11Z",
          "ms": 1160413991065.2625
        },
        "end": {
          "local": "2006-10-10T18:49:11+04:00",
          "utc": "2006-10-10T14:49:11Z",
          "ms": 1160491751118.52
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2006-10-09",
          "window": {
            "start": {
              "local": "2006-10-09T19:03:42+04:00",
              "utc": "2006-10-09T15:03:42Z",
              "ms": 1160406222420.0862
            },
            "end": {
              "local": "2006-10-09T19:03:42+04:00",
              "utc": "2006-10-09T15:03:42Z",
              "ms": 1160406222420.0862
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2006-10-10",
          "window": {
            "start": {
              "local": "2006-10-10T19:24:54+04:00",
              "utc": "2006-10-10T15:24:54Z",
              "ms": 1160493894322.2573
            },
            "end": {
              "local": "2006-10-10T19:24:54+04:00",
              "utc": "2006-10-10T15:24:54Z",
              "ms": 1160493894322.2573
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 21:13 on Mon 9 Oct to 18:49 on Tue 10 Oct.",
          "fact": "2006-10-09T17:13:11Z → 2006-10-10T14:49:11Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:04 on the 9th and 19:25 on the 10th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 9th and is not on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Neither moonrise qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 2143 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Moscow, 2006: Monday 9 October.",
          "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": "2006-10-09",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-09",
          "confidence": "boundary"
        }
      ],
      "quote": "In Moscow, Saṅkaṣṭa Caturthī 2006 falls on Monday 9 October. Caturthī runs from 21:13 on Mon 9 Oct to 18:49 on Tue 10 Oct, and is current at moonrise on neither day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/sankashta-chaturthi?on=2006-10-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/ahoyi-ashtami",
      "festival": "ahoyi-ashtami",
      "name": "Ahoyī Aṣṭamī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21524,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2006-10-13T16:08:52+04:00",
          "utc": "2006-10-13T12:08:52Z",
          "ms": 1160741332404.7937
        },
        "end": {
          "local": "2006-10-14T16:54:10+04:00",
          "utc": "2006-10-14T12:54:10Z",
          "ms": 1160830449531.5278
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-10-13T16:08:52+04:00",
          "utc": "2006-10-13T12:08:52Z",
          "ms": 1160741332404.7937
        },
        "end": {
          "local": "2006-10-14T16:54:10+04:00",
          "utc": "2006-10-14T12:54:10Z",
          "ms": 1160830449531.5278
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2006-10-13",
          "window": {
            "start": {
              "local": "2006-10-13T22:07:36+04:00",
              "utc": "2006-10-13T18:07:36Z",
              "ms": 1160762856004.8772
            },
            "end": {
              "local": "2006-10-13T22:07:36+04:00",
              "utc": "2006-10-13T18:07:36Z",
              "ms": 1160762856004.8772
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2006-10-14",
          "window": {
            "start": {
              "local": "2006-10-14T23:29:52+04:00",
              "utc": "2006-10-14T19:29:52Z",
              "ms": 1160854191929.819
            },
            "end": {
              "local": "2006-10-14T23:29:52+04:00",
              "utc": "2006-10-14T19:29:52Z",
              "ms": 1160854191929.819
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 16:09 on Fri 13 Oct to 16:54 on Sat 14 Oct.",
          "fact": "2006-10-13T12:08:52Z → 2006-10-14T12:54:10Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 22:08 on the 13th and 23:30 on the 14th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is on the 13th and is not on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 21524 s"
        },
        {
          "step": "ruling",
          "text": "Ahoyī Aṣṭamī, Moscow, 2006: Friday 13 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": "2006-10-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Ahoyī Aṣṭamī 2006 falls on Friday 13 October. Aṣṭamī runs from 16:09 on Fri 13 Oct to 16:54 on Sat 14 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/ekadashi?on=2006-10-17",
      "festival": "ekadashi",
      "name": "Ramā Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32914,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-10-16T20:28:29+04:00",
          "utc": "2006-10-16T16:28:29Z",
          "ms": 1161016109093.438
        },
        "end": {
          "local": "2006-10-17T22:57:37+04:00",
          "utc": "2006-10-17T18:57:37Z",
          "ms": 1161111456840.7427
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-10-16T20:28:29+04:00",
          "utc": "2006-10-16T16:28:29Z",
          "ms": 1161016109093.438
        },
        "end": {
          "local": "2006-10-17T22:57:37+04:00",
          "utc": "2006-10-17T18:57:37Z",
          "ms": 1161111456840.7427
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-10-17",
          "window": {
            "start": {
              "local": "2006-10-17T08:04:08+04:00",
              "utc": "2006-10-17T04:04:08Z",
              "ms": 1161057847755.147
            },
            "end": {
              "local": "2006-10-17T08:04:08+04:00",
              "utc": "2006-10-17T04:04:08Z",
              "ms": 1161057847755.147
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2006-10-18",
          "window": {
            "start": {
              "local": "2006-10-18T08:06:11+04:00",
              "utc": "2006-10-18T04:06:11Z",
              "ms": 1161144371016.9424
            },
            "end": {
              "local": "2006-10-18T08:06:11+04:00",
              "utc": "2006-10-18T04:06:11Z",
              "ms": 1161144371016.9424
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 20:28 on Mon 16 Oct to 22:58 on Tue 17 Oct.",
          "fact": "2006-10-16T16:28:29Z → 2006-10-17T18:57:37Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 08:04 on the 17th and 08:06 on the 18th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 17th and is not on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 32914 s"
        },
        {
          "step": "ruling",
          "text": "Ramā Ekādaśī, Moscow, 2006: Tuesday 17 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": "2006-10-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Ramā Ekādaśī 2006 falls on Tuesday 17 October. Ekādaśī runs from 20:28 on Mon 16 Oct to 22:58 on Tue 17 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-10-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/govatsa-dvadashi",
      "festival": "govatsa-dvadashi",
      "name": "Govatsa Dvādaśī",
      "everyday": "Vasu Baras",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9801,
      "anga": {
        "type": "tithi",
        "index": 26,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2006-10-17T22:57:37+04:00",
          "utc": "2006-10-17T18:57:37Z",
          "ms": 1161111456840.7427
        },
        "end": {
          "local": "2006-10-19T01:38:58+04:00",
          "utc": "2006-10-18T21:38:58Z",
          "ms": 1161207538071.5486
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-10-17T22:57:37+04:00",
          "utc": "2006-10-17T18:57:37Z",
          "ms": 1161111456840.7427
        },
        "end": {
          "local": "2006-10-19T01:38:58+04:00",
          "utc": "2006-10-18T21:38:58Z",
          "ms": 1161207538071.5486
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-10-17",
          "window": {
            "start": {
              "local": "2006-10-17T18:24:45+04:00",
              "utc": "2006-10-17T14:24:45Z",
              "ms": 1161095084790.1755
            },
            "end": {
              "local": "2006-10-17T20:14:16+04:00",
              "utc": "2006-10-17T16:14:16Z",
              "ms": 1161101656287.078
            }
          },
          "covered_min": 0,
          "window_min": 110,
          "qualifies": false
        },
        {
          "local_date": "2006-10-18",
          "window": {
            "start": {
              "local": "2006-10-18T18:22:18+04:00",
              "utc": "2006-10-18T14:22:18Z",
              "ms": 1161181338240.8975
            },
            "end": {
              "local": "2006-10-18T20:12:26+04:00",
              "utc": "2006-10-18T16:12:26Z",
              "ms": 1161187945759.4204
            }
          },
          "covered_min": 110,
          "window_min": 110,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 22:58 on Tue 17 Oct to 01:39 on Thu 19 Oct.",
          "fact": "2006-10-17T18:57:37Z → 2006-10-18T21:38:58Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:25–20:14 on the 17th, 18:22–20:12 on the 18th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during pradoṣa. It covers 0 of 110 minutes on the 17th and 110 of 110 on the 18th.",
          "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 9801 s"
        },
        {
          "step": "ruling",
          "text": "Govatsa Dvādaśī, Moscow, 2006: Wednesday 18 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "govatsa-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day."
          }
        ],
        "kaala": "pradosha",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-10-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Govatsa Dvādaśī (Vasu Baras) 2006 falls on Wednesday 18 October. Dvādaśī runs from 22:58 on Tue 17 Oct to 01:39 on Thu 19 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/yama-dipadana",
      "festival": "yama-dipadana",
      "name": "Yama Dīpadāna",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19592,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-10-19T01:38:58+04:00",
          "utc": "2006-10-18T21:38:58Z",
          "ms": 1161207538071.5486
        },
        "end": {
          "local": "2006-10-20T04:21:18+04:00",
          "utc": "2006-10-20T00:21:18Z",
          "ms": 1161303678229.6448
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-10-19T01:38:58+04:00",
          "utc": "2006-10-18T21:38:58Z",
          "ms": 1161207538071.5486
        },
        "end": {
          "local": "2006-10-20T04:21:18+04:00",
          "utc": "2006-10-20T00:21:18Z",
          "ms": 1161303678229.6448
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-10-18",
          "window": {
            "start": {
              "local": "2006-10-18T18:22:18+04:00",
              "utc": "2006-10-18T14:22:18Z",
              "ms": 1161181338240.8975
            },
            "end": {
              "local": "2006-10-18T20:12:26+04:00",
              "utc": "2006-10-18T16:12:26Z",
              "ms": 1161187945759.4204
            }
          },
          "covered_min": 0,
          "window_min": 110,
          "qualifies": false
        },
        {
          "local_date": "2006-10-19",
          "window": {
            "start": {
              "local": "2006-10-19T18:19:53+04:00",
              "utc": "2006-10-19T14:19:53Z",
              "ms": 1161267592592.0837
            },
            "end": {
              "local": "2006-10-19T20:10:36+04:00",
              "utc": "2006-10-19T16:10:36Z",
              "ms": 1161274236057.6538
            }
          },
          "covered_min": 111,
          "window_min": 111,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 01:39 on Thu 19 Oct to 04:21 on Fri 20 Oct.",
          "fact": "2006-10-18T21:38:58Z → 2006-10-20T00:21:18Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:22–20:12 on the 18th, 18:20–20:11 on the 19th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 110 minutes on the 18th and 111 of 111 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 19592 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dīpadāna, Moscow, 2006: Thursday 19 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "yama-dipadana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 13 Yama dipadana (pradosa)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-10-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Yama Dīpadāna 2006 falls on Thursday 19 October. Trayodaśī runs from 01:39 on Thu 19 Oct to 04:21 on Fri 20 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/pradosha-vrata?on=2006-10-19",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19592,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-10-19T01:38:58+04:00",
          "utc": "2006-10-18T21:38:58Z",
          "ms": 1161207538071.5486
        },
        "end": {
          "local": "2006-10-20T04:21:18+04:00",
          "utc": "2006-10-20T00:21:18Z",
          "ms": 1161303678229.6448
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-10-19T01:38:58+04:00",
          "utc": "2006-10-18T21:38:58Z",
          "ms": 1161207538071.5486
        },
        "end": {
          "local": "2006-10-20T04:21:18+04:00",
          "utc": "2006-10-20T00:21:18Z",
          "ms": 1161303678229.6448
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-10-18",
          "window": {
            "start": {
              "local": "2006-10-18T18:22:18+04:00",
              "utc": "2006-10-18T14:22:18Z",
              "ms": 1161181338240.8975
            },
            "end": {
              "local": "2006-10-18T20:12:26+04:00",
              "utc": "2006-10-18T16:12:26Z",
              "ms": 1161187945759.4204
            }
          },
          "covered_min": 0,
          "window_min": 110,
          "qualifies": false
        },
        {
          "local_date": "2006-10-19",
          "window": {
            "start": {
              "local": "2006-10-19T18:19:53+04:00",
              "utc": "2006-10-19T14:19:53Z",
              "ms": 1161267592592.0837
            },
            "end": {
              "local": "2006-10-19T20:10:36+04:00",
              "utc": "2006-10-19T16:10:36Z",
              "ms": 1161274236057.6538
            }
          },
          "covered_min": 111,
          "window_min": 111,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 01:39 on Thu 19 Oct to 04:21 on Fri 20 Oct.",
          "fact": "2006-10-18T21:38:58Z → 2006-10-20T00:21:18Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:22–20:12 on the 18th, 18:20–20:11 on the 19th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 110 minutes on the 18th and 111 of 111 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 19592 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2006: Thursday 19 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": "2006-10-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2006 falls on Thursday 19 October. Trayodaśī runs from 01:39 on Thu 19 Oct to 04:21 on Fri 20 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/pradosha-vrata?on=2006-10-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/naraka-chaturdashi",
      "festival": "naraka-chaturdashi",
      "name": "Naraka Caturdaśī",
      "everyday": "Choti Diwali",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2055,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2006-10-20T04:21:18+04:00",
          "utc": "2006-10-20T00:21:18Z",
          "ms": 1161303678229.6448
        },
        "end": {
          "local": "2006-10-21T06:55:18+04:00",
          "utc": "2006-10-21T02:55:18Z",
          "ms": 1161399318491.2634
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-10-20T04:21:18+04:00",
          "utc": "2006-10-20T00:21:18Z",
          "ms": 1161303678229.6448
        },
        "end": {
          "local": "2006-10-21T06:55:18+04:00",
          "utc": "2006-10-21T02:55:18Z",
          "ms": 1161399318491.2634
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2006-10-20",
          "window": {
            "start": {
              "local": "2006-10-20T06:19:35+04:00",
              "utc": "2006-10-20T02:19:35Z",
              "ms": 1161310775118.289
            },
            "end": {
              "local": "2006-10-20T08:10:19+04:00",
              "utc": "2006-10-20T04:10:19Z",
              "ms": 1161317418583.8591
            }
          },
          "covered_min": 111,
          "window_min": 111,
          "qualifies": true
        },
        {
          "local_date": "2006-10-21",
          "window": {
            "start": {
              "local": "2006-10-21T06:21:04+04:00",
              "utc": "2006-10-21T02:21:04Z",
              "ms": 1161397263535.852
            },
            "end": {
              "local": "2006-10-21T08:12:23+04:00",
              "utc": "2006-10-21T04:12:23Z",
              "ms": 1161403942867.112
            }
          },
          "covered_min": 34,
          "window_min": 111,
          "qualifies": true
        }
      ],
      "decided_by": "purvaviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 04:21 on Fri 20 Oct to 06:55 on Sat 21 Oct.",
          "fact": "2006-10-20T00:21:18Z → 2006-10-21T02:55:18Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 06:20–08:10 on the 20th, 06:21–08:12 on the 21st.",
          "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during aruṇodaya. It covers 111 of 111 minutes on the 20th and 34 of 111 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Both dawns qualify. Pūrvaviddhā: the first is taken.",
          "fact": "priority: purvaviddha → purvaviddha · margin 2055 s"
        },
        {
          "step": "ruling",
          "text": "Naraka Caturdaśī, Moscow, 2006: Friday 20 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naraka-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)"
          }
        ],
        "kaala": "arunodaya",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-10-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Naraka Caturdaśī (Choti Diwali) 2006 falls on Friday 20 October. Caturdaśī runs from 04:21 on Fri 20 Oct to 06:55 on Sat 21 Oct and covers all of aruṇodaya that dawn. It also reaches the next dawn for 34 minutes; by the rule the first dawn is taken.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/shivaratri?on=2006-10-20",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9733,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2006-10-20T04:21:18+04:00",
          "utc": "2006-10-20T00:21:18Z",
          "ms": 1161303678229.6448
        },
        "end": {
          "local": "2006-10-21T06:55:18+04:00",
          "utc": "2006-10-21T02:55:18Z",
          "ms": 1161399318491.2634
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-10-20T04:21:18+04:00",
          "utc": "2006-10-20T00:21:18Z",
          "ms": 1161303678229.6448
        },
        "end": {
          "local": "2006-10-21T06:55:18+04:00",
          "utc": "2006-10-21T02:55:18Z",
          "ms": 1161399318491.2634
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2006-10-19",
          "window": {
            "start": {
              "local": "2006-10-20T00:51:06+04:00",
              "utc": "2006-10-19T20:51:06Z",
              "ms": 1161291065587.9714
            },
            "end": {
              "local": "2006-10-20T01:39:06+04:00",
              "utc": "2006-10-19T21:39:06Z",
              "ms": 1161293945587.9714
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-10-20",
          "window": {
            "start": {
              "local": "2006-10-21T00:50:55+04:00",
              "utc": "2006-10-20T20:50:55Z",
              "ms": 1161377455374.8872
            },
            "end": {
              "local": "2006-10-21T01:38:55+04:00",
              "utc": "2006-10-20T21:38:55Z",
              "ms": 1161380335374.8872
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 04:21 on Fri 20 Oct to 06:55 on Sat 21 Oct.",
          "fact": "2006-10-20T00:21:18Z → 2006-10-21T02:55:18Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:51–01:39 on the 19th, 00:51–01:39 on the 20th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 9733 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Moscow, 2006: Friday 20 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": "2006-10-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Śivarātri 2006 falls on Friday 20 October. Caturdaśī runs from 04:21 on Fri 20 Oct to 06:55 on Sat 21 Oct and covers all of niśītha that night.",
      "cite": "https://ahargana.org/moscow/festivals/2006/shivaratri?on=2006-10-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/diwali-lakshmi-puja",
      "festival": "diwali-lakshmi-puja",
      "name": "Lakṣmī Pūjā",
      "everyday": "Diwali",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32318,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2006-10-21T06:55:18+04:00",
          "utc": "2006-10-21T02:55:18Z",
          "ms": 1161399318491.2634
        },
        "end": {
          "local": "2006-10-22T09:14:03+04:00",
          "utc": "2006-10-22T05:14:03Z",
          "ms": 1161494043379.2756
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-10-21T06:55:18+04:00",
          "utc": "2006-10-21T02:55:18Z",
          "ms": 1161399318491.2634
        },
        "end": {
          "local": "2006-10-22T09:14:03+04:00",
          "utc": "2006-10-22T05:14:03Z",
          "ms": 1161494043379.2756
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-10-21",
          "window": {
            "start": {
              "local": "2006-10-21T18:15:04+04:00",
              "utc": "2006-10-21T14:15:04Z",
              "ms": 1161440104152.1956
            },
            "end": {
              "local": "2006-10-21T20:06:59+04:00",
              "utc": "2006-10-21T16:06:59Z",
              "ms": 1161446819260.641
            }
          },
          "covered_min": 112,
          "window_min": 112,
          "qualifies": true
        },
        {
          "local_date": "2006-10-22",
          "window": {
            "start": {
              "local": "2006-10-22T18:12:41+04:00",
              "utc": "2006-10-22T14:12:41Z",
              "ms": 1161526361440.95
            },
            "end": {
              "local": "2006-10-22T20:05:12+04:00",
              "utc": "2006-10-22T16:05:12Z",
              "ms": 1161533112230.5513
            }
          },
          "covered_min": 0,
          "window_min": 113,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 06:55 on Sat 21 Oct to 09:14 on Sun 22 Oct.",
          "fact": "2006-10-21T02:55:18Z → 2006-10-22T05:14:03Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:15–20:07 on the 21st, 18:13–20:05 on the 22nd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during pradoṣa. It covers 112 of 112 minutes on the 21st and 0 of 113 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 32318 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pūjā, Moscow, 2006: Saturday 21 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "diwali-lakshmi-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)"
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-10-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Lakṣmī Pūjā (Diwali) 2006 falls on Saturday 21 October. Amāvasyā runs from 06:55 on Sat 21 Oct to 09:14 on Sun 22 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/kali-puja",
      "festival": "kali-puja",
      "name": "Kālī Pūjā",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18983,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2006-10-21T06:55:18+04:00",
          "utc": "2006-10-21T02:55:18Z",
          "ms": 1161399318491.2634
        },
        "end": {
          "local": "2006-10-22T09:14:03+04:00",
          "utc": "2006-10-22T05:14:03Z",
          "ms": 1161494043379.2756
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-10-21T06:55:18+04:00",
          "utc": "2006-10-21T02:55:18Z",
          "ms": 1161399318491.2634
        },
        "end": {
          "local": "2006-10-22T09:14:03+04:00",
          "utc": "2006-10-22T05:14:03Z",
          "ms": 1161494043379.2756
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2006-10-20",
          "window": {
            "start": {
              "local": "2006-10-21T00:50:55+04:00",
              "utc": "2006-10-20T20:50:55Z",
              "ms": 1161377455374.8872
            },
            "end": {
              "local": "2006-10-21T01:38:55+04:00",
              "utc": "2006-10-20T21:38:55Z",
              "ms": 1161380335374.8872
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-10-21",
          "window": {
            "start": {
              "local": "2006-10-22T00:50:46+04:00",
              "utc": "2006-10-21T20:50:46Z",
              "ms": 1161463845808.8667
            },
            "end": {
              "local": "2006-10-22T01:38:46+04:00",
              "utc": "2006-10-21T21:38:46Z",
              "ms": 1161466725808.8667
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 06:55 on Sat 21 Oct to 09:14 on Sun 22 Oct.",
          "fact": "2006-10-21T02:55:18Z → 2006-10-22T05:14:03Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:51–01:39 on the 20th, 00:51–01:39 on the 21st.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during niśītha. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 18983 s"
        },
        {
          "step": "ruling",
          "text": "Kālī Pūjā, Moscow, 2006: Saturday 21 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "kali-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)"
          }
        ],
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-10-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Kālī Pūjā 2006 falls on Saturday 21 October. Amāvasyā runs from 06:55 on Sat 21 Oct to 09:14 on Sun 22 Oct and covers all of niśītha that night.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/govardhana-puja",
      "festival": "govardhana-puja",
      "name": "Govardhana Pūjā",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5795,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2006-10-22T09:14:03+04:00",
          "utc": "2006-10-22T05:14:03Z",
          "ms": 1161494043379.2756
        },
        "end": {
          "local": "2006-10-23T11:12:51+04:00",
          "utc": "2006-10-23T07:12:51Z",
          "ms": 1161587570756.9377
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-10-22T09:14:03+04:00",
          "utc": "2006-10-22T05:14:03Z",
          "ms": 1161494043379.2756
        },
        "end": {
          "local": "2006-10-23T11:12:51+04:00",
          "utc": "2006-10-23T07:12:51Z",
          "ms": 1161587570756.9377
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-10-22",
          "window": {
            "start": {
              "local": "2006-10-22T12:49:34+04:00",
              "utc": "2006-10-22T08:49:34Z",
              "ms": 1161506974453.244
            },
            "end": {
              "local": "2006-10-22T13:37:34+04:00",
              "utc": "2006-10-22T09:37:34Z",
              "ms": 1161509854453.244
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-10-23",
          "window": {
            "start": {
              "local": "2006-10-23T12:49:26+04:00",
              "utc": "2006-10-23T08:49:26Z",
              "ms": 1161593366076.4705
            },
            "end": {
              "local": "2006-10-23T13:37:26+04:00",
              "utc": "2006-10-23T09:37:26Z",
              "ms": 1161596246076.4705
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 09:14 on Sun 22 Oct to 11:13 on Mon 23 Oct.",
          "fact": "2006-10-22T05:14:03Z → 2006-10-23T07:12:51Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:50–13:38 on the 22nd, 12:49–13:37 on the 23rd.",
          "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 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: purvaviddha → only-day · margin 5795 s"
        },
        {
          "step": "ruling",
          "text": "Govardhana Pūjā, Moscow, 2006: Sunday 22 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "govardhana-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-10-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Govardhana Pūjā 2006 falls on Sunday 22 October. Pratipadā runs from 09:14 on Sun 22 Oct to 11:13 on Mon 23 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/bali-puja",
      "festival": "bali-puja",
      "name": "Bali Pūjā",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25049,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2006-10-22T09:14:03+04:00",
          "utc": "2006-10-22T05:14:03Z",
          "ms": 1161494043379.2756
        },
        "end": {
          "local": "2006-10-23T11:12:51+04:00",
          "utc": "2006-10-23T07:12:51Z",
          "ms": 1161587570756.9377
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-10-22T09:14:03+04:00",
          "utc": "2006-10-22T05:14:03Z",
          "ms": 1161494043379.2756
        },
        "end": {
          "local": "2006-10-23T11:12:51+04:00",
          "utc": "2006-10-23T07:12:51Z",
          "ms": 1161587570756.9377
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-10-22",
          "window": {
            "start": {
              "local": "2006-10-22T18:12:41+04:00",
              "utc": "2006-10-22T14:12:41Z",
              "ms": 1161526361440.95
            },
            "end": {
              "local": "2006-10-22T20:05:12+04:00",
              "utc": "2006-10-22T16:05:12Z",
              "ms": 1161533112230.5513
            }
          },
          "covered_min": 113,
          "window_min": 113,
          "qualifies": true
        },
        {
          "local_date": "2006-10-23",
          "window": {
            "start": {
              "local": "2006-10-23T18:10:20+04:00",
              "utc": "2006-10-23T14:10:20Z",
              "ms": 1161612619789.9802
            },
            "end": {
              "local": "2006-10-23T20:03:26+04:00",
              "utc": "2006-10-23T16:03:26Z",
              "ms": 1161619406156.7878
            }
          },
          "covered_min": 0,
          "window_min": 113,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 09:14 on Sun 22 Oct to 11:13 on Mon 23 Oct.",
          "fact": "2006-10-22T05:14:03Z → 2006-10-23T07:12:51Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:13–20:05 on the 22nd, 18:10–20:03 on the 23rd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during pradoṣa. It covers 113 of 113 minutes on the 22nd and 0 of 113 on the 23rd.",
          "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 25049 s"
        },
        {
          "step": "ruling",
          "text": "Bali Pūjā, Moscow, 2006: Sunday 22 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bali-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-10-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Bali Pūjā 2006 falls on Sunday 22 October. Pratipadā runs from 09:14 on Sun 22 Oct to 11:13 on Mon 23 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/yama-dvitiya",
      "festival": "yama-dvitiya",
      "name": "Yama Dvitīyā",
      "everyday": "Bhai Dooj",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-23",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 40,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2006-10-23T11:12:51+04:00",
          "utc": "2006-10-23T07:12:51Z",
          "ms": 1161587570756.9377
        },
        "end": {
          "local": "2006-10-24T12:48:38+04:00",
          "utc": "2006-10-24T08:48:38Z",
          "ms": 1161679718257.7434
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-10-23T11:12:51+04:00",
          "utc": "2006-10-23T07:12:51Z",
          "ms": 1161587570756.9377
        },
        "end": {
          "local": "2006-10-24T12:48:38+04:00",
          "utc": "2006-10-24T08:48:38Z",
          "ms": 1161679718257.7434
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-10-23",
          "window": {
            "start": {
              "local": "2006-10-23T12:49:26+04:00",
              "utc": "2006-10-23T08:49:26Z",
              "ms": 1161593366076.4705
            },
            "end": {
              "local": "2006-10-23T13:37:26+04:00",
              "utc": "2006-10-23T09:37:26Z",
              "ms": 1161596246076.4705
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-10-24",
          "window": {
            "start": {
              "local": "2006-10-24T12:49:18+04:00",
              "utc": "2006-10-24T08:49:18Z",
              "ms": 1161679758391.1387
            },
            "end": {
              "local": "2006-10-24T13:37:18+04:00",
              "utc": "2006-10-24T09:37:18Z",
              "ms": 1161682638391.1387
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 11:13 on Mon 23 Oct to 12:49 on Tue 24 Oct.",
          "fact": "2006-10-23T07:12:51Z → 2006-10-24T08:48:38Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:49–13:37 on the 23rd, 12:49–13:37 on the 24th.",
          "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 23rd and 0 of 48 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 40 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dvitīyā, Moscow, 2006: Monday 23 October.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "2006-10-23",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Yama Dvitīyā (Bhai Dooj) 2006 falls on Monday 23 October. Dvitīyā runs from 11:13 on Mon 23 Oct to 12:49 on Tue 24 Oct and covers all of madhyāhna that midday. It is 0 min 40 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/dyuta-pratipad",
      "festival": "dyuta-pratipad",
      "name": "Dyūta Pratipad",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-23",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1297,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2006-10-22T09:14:03+04:00",
          "utc": "2006-10-22T05:14:03Z",
          "ms": 1161494043379.2756
        },
        "end": {
          "local": "2006-10-23T11:12:51+04:00",
          "utc": "2006-10-23T07:12:51Z",
          "ms": 1161587570756.9377
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-10-22T09:14:03+04:00",
          "utc": "2006-10-22T05:14:03Z",
          "ms": 1161494043379.2756
        },
        "end": {
          "local": "2006-10-23T11:12:51+04:00",
          "utc": "2006-10-23T07:12:51Z",
          "ms": 1161587570756.9377
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2006-10-22",
          "window": {
            "start": {
              "local": "2006-10-22T08:14:27+04:00",
              "utc": "2006-10-22T04:14:27Z",
              "ms": 1161490467465.5378
            },
            "end": {
              "local": "2006-10-22T11:33:52+04:00",
              "utc": "2006-10-22T07:33:52Z",
              "ms": 1161502432124.0085
            }
          },
          "covered_min": 140,
          "window_min": 199,
          "qualifies": true
        },
        {
          "local_date": "2006-10-23",
          "window": {
            "start": {
              "local": "2006-10-23T08:16:32+04:00",
              "utc": "2006-10-23T04:16:32Z",
              "ms": 1161576992362.9607
            },
            "end": {
              "local": "2006-10-23T11:34:28+04:00",
              "utc": "2006-10-23T07:34:28Z",
              "ms": 1161588868171.9673
            }
          },
          "covered_min": 176,
          "window_min": 198,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 09:14 on Sun 22 Oct to 11:13 on Mon 23 Oct.",
          "fact": "2006-10-22T05:14:03Z → 2006-10-23T07:12:51Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 08:14–11:34 on the 22nd, 08:17–11:34 on the 23rd.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during pūrvāhṇa. It covers 140 of 199 minutes on the 22nd and 176 of 198 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Both forenoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 1297 s"
        },
        {
          "step": "ruling",
          "text": "Dyūta Pratipad, Moscow, 2006: Monday 23 October.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "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": "2006-10-23",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-23",
          "confidence": "boundary"
        }
      ],
      "quote": "In Moscow, Dyūta Pratipad 2006 falls on Monday 23 October. Pratipadā runs from 09:14 on Sun 22 Oct to 11:13 on Mon 23 Oct and covers 176 of 198 minutes of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 140 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/moscow/festivals/2006/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": "/moscow/festivals/2006/naga-chaturthi",
      "festival": "naga-chaturthi",
      "name": "Nāga Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1331,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-10-25T13:59:22+04:00",
          "utc": "2006-10-25T09:59:22Z",
          "ms": 1161770362474.3813
        },
        "end": {
          "local": "2006-10-26T14:43:24+04:00",
          "utc": "2006-10-26T10:43:24Z",
          "ms": 1161859404291.3904
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-10-25T13:59:22+04:00",
          "utc": "2006-10-25T09:59:22Z",
          "ms": 1161770362474.3813
        },
        "end": {
          "local": "2006-10-26T14:43:24+04:00",
          "utc": "2006-10-26T10:43:24Z",
          "ms": 1161859404291.3904
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-10-25",
          "window": {
            "start": {
              "local": "2006-10-25T12:49:11+04:00",
              "utc": "2006-10-25T08:49:11Z",
              "ms": 1161766151408.483
            },
            "end": {
              "local": "2006-10-25T13:37:11+04:00",
              "utc": "2006-10-25T09:37:11Z",
              "ms": 1161769031408.483
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-10-26",
          "window": {
            "start": {
              "local": "2006-10-26T12:49:05+04:00",
              "utc": "2006-10-26T08:49:05Z",
              "ms": 1161852545139.2383
            },
            "end": {
              "local": "2006-10-26T13:37:05+04:00",
              "utc": "2006-10-26T09:37:05Z",
              "ms": 1161855425139.2383
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 13:59 on Wed 25 Oct to 14:43 on Thu 26 Oct.",
          "fact": "2006-10-25T09:59:22Z → 2006-10-26T10:43:24Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:49–13:37 on the 25th, 12:49–13:37 on the 26th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 1331 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Caturthī, Moscow, 2006: Thursday 26 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naga-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-10-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Nāga Caturthī 2006 falls on Thursday 26 October. Caturthī runs from 13:59 on Wed 25 Oct to 14:43 on Thu 26 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/vinayaka-chaturthi?on=2006-10-26",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1331,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-10-25T13:59:22+04:00",
          "utc": "2006-10-25T09:59:22Z",
          "ms": 1161770362474.3813
        },
        "end": {
          "local": "2006-10-26T14:43:24+04:00",
          "utc": "2006-10-26T10:43:24Z",
          "ms": 1161859404291.3904
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-10-25T13:59:22+04:00",
          "utc": "2006-10-25T09:59:22Z",
          "ms": 1161770362474.3813
        },
        "end": {
          "local": "2006-10-26T14:43:24+04:00",
          "utc": "2006-10-26T10:43:24Z",
          "ms": 1161859404291.3904
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-10-25",
          "window": {
            "start": {
              "local": "2006-10-25T12:49:11+04:00",
              "utc": "2006-10-25T08:49:11Z",
              "ms": 1161766151408.483
            },
            "end": {
              "local": "2006-10-25T13:37:11+04:00",
              "utc": "2006-10-25T09:37:11Z",
              "ms": 1161769031408.483
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-10-26",
          "window": {
            "start": {
              "local": "2006-10-26T12:49:05+04:00",
              "utc": "2006-10-26T08:49:05Z",
              "ms": 1161852545139.2383
            },
            "end": {
              "local": "2006-10-26T13:37:05+04:00",
              "utc": "2006-10-26T09:37:05Z",
              "ms": 1161855425139.2383
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 13:59 on Wed 25 Oct to 14:43 on Thu 26 Oct.",
          "fact": "2006-10-25T09:59:22Z → 2006-10-26T10:43:24Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:49–13:37 on the 25th, 12:49–13:37 on the 26th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 1331 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Moscow, 2006: Thursday 26 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": "2006-10-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-26",
          "confidence": "boundary"
        }
      ],
      "quote": "In Moscow, Vināyaka Caturthī 2006 falls on Thursday 26 October. Caturthī runs from 13:59 on Wed 25 Oct to 14:43 on Thu 26 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/vinayaka-chaturthi?on=2006-10-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/surya-shashthi",
      "festival": "surya-shashthi",
      "name": "Sūrya Ṣaṣṭhī",
      "everyday": "Chhath",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4089,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2006-10-27T14:59:09+04:00",
          "utc": "2006-10-27T10:59:09Z",
          "ms": 1161946748859.443
        },
        "end": {
          "local": "2006-10-28T14:45:03+04:00",
          "utc": "2006-10-28T10:45:03Z",
          "ms": 1162032303488.6545
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-10-27T14:59:09+04:00",
          "utc": "2006-10-27T10:59:09Z",
          "ms": 1161946748859.443
        },
        "end": {
          "local": "2006-10-28T14:45:03+04:00",
          "utc": "2006-10-28T10:45:03Z",
          "ms": 1162032303488.6545
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-10-27",
          "window": {
            "start": {
              "local": "2006-10-27T12:49:00+04:00",
              "utc": "2006-10-27T08:49:00Z",
              "ms": 1161938939593.7437
            },
            "end": {
              "local": "2006-10-27T13:37:00+04:00",
              "utc": "2006-10-27T09:37:00Z",
              "ms": 1161941819593.7437
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-10-28",
          "window": {
            "start": {
              "local": "2006-10-28T12:48:55+04:00",
              "utc": "2006-10-28T08:48:55Z",
              "ms": 1162025334782.051
            },
            "end": {
              "local": "2006-10-28T13:36:55+04:00",
              "utc": "2006-10-28T09:36:55Z",
              "ms": 1162028214782.051
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 14:59 on Fri 27 Oct to 14:45 on Sat 28 Oct.",
          "fact": "2006-10-27T10:59:09Z → 2006-10-28T10:45:03Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:49–13:37 on the 27th, 12:49–13:37 on the 28th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 4089 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī, Moscow, 2006: Saturday 28 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "surya-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-10-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Sūrya Ṣaṣṭhī (Chhath) 2006 falls on Saturday 28 October. Ṣaṣṭhī runs from 14:59 on Fri 27 Oct to 14:45 on Sat 28 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/gopashtami",
      "festival": "gopashtami",
      "name": "Gopāṣṭamī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 350,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2006-10-29T12:59:52+03:00",
          "utc": "2006-10-29T09:59:52Z",
          "ms": 1162115991728.192
        },
        "end": {
          "local": "2006-10-30T11:42:58+03:00",
          "utc": "2006-10-30T08:42:58Z",
          "ms": 1162197777759.3015
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-10-29T12:59:52+03:00",
          "utc": "2006-10-29T09:59:52Z",
          "ms": 1162115991728.192
        },
        "end": {
          "local": "2006-10-30T11:42:58+03:00",
          "utc": "2006-10-30T08:42:58Z",
          "ms": 1162197777759.3015
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-10-29",
          "window": {
            "start": {
              "local": "2006-10-29T11:48:51+03:00",
              "utc": "2006-10-29T08:48:51Z",
              "ms": 1162111730714.0654
            },
            "end": {
              "local": "2006-10-29T12:36:51+03:00",
              "utc": "2006-10-29T09:36:51Z",
              "ms": 1162114610714.0654
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-10-30",
          "window": {
            "start": {
              "local": "2006-10-30T11:48:47+03:00",
              "utc": "2006-10-30T08:48:47Z",
              "ms": 1162198127399.704
            },
            "end": {
              "local": "2006-10-30T12:36:47+03:00",
              "utc": "2006-10-30T09:36:47Z",
              "ms": 1162201007399.704
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 13:00 on Sun 29 Oct to 11:43 on Mon 30 Oct.",
          "fact": "2006-10-29T09:59:52Z → 2006-10-30T08:42:58Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 29th, 11:49–12:37 on the 30th.",
          "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 29th and 0 of 48 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: unstated → second-day · margin 350 s"
        },
        {
          "step": "ruling",
          "text": "Gopāṣṭamī, Moscow, 2006: Monday 30 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "gopashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 8 Gopastami, Gosthastami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-10-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-30",
          "confidence": "boundary"
        }
      ],
      "quote": "In Moscow, Gopāṣṭamī 2006 falls on Monday 30 October. Aṣṭamī runs from 13:00 on Sun 29 Oct to 11:43 on Mon 30 Oct, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/durga-navami",
      "festival": "durga-navami",
      "name": "Durgā Navamī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 350,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2006-10-30T11:42:58+03:00",
          "utc": "2006-10-30T08:42:58Z",
          "ms": 1162197777759.3015
        },
        "end": {
          "local": "2006-10-31T09:54:53+03:00",
          "utc": "2006-10-31T06:54:53Z",
          "ms": 1162277693054.813
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-10-30T11:42:58+03:00",
          "utc": "2006-10-30T08:42:58Z",
          "ms": 1162197777759.3015
        },
        "end": {
          "local": "2006-10-31T09:54:53+03:00",
          "utc": "2006-10-31T06:54:53Z",
          "ms": 1162277693054.813
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-10-30",
          "window": {
            "start": {
              "local": "2006-10-30T11:48:47+03:00",
              "utc": "2006-10-30T08:48:47Z",
              "ms": 1162198127399.704
            },
            "end": {
              "local": "2006-10-30T12:36:47+03:00",
              "utc": "2006-10-30T09:36:47Z",
              "ms": 1162201007399.704
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-10-31",
          "window": {
            "start": {
              "local": "2006-10-31T11:48:45+03:00",
              "utc": "2006-10-31T08:48:45Z",
              "ms": 1162284524849.0718
            },
            "end": {
              "local": "2006-10-31T12:36:45+03:00",
              "utc": "2006-10-31T09:36:45Z",
              "ms": 1162287404849.0718
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 11:43 on Mon 30 Oct to 09:55 on Tue 31 Oct.",
          "fact": "2006-10-30T08:42:58Z → 2006-10-31T06:54:53Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 30th, 11:49–12:37 on the 31st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 31st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 350 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Navamī, Moscow, 2006: Monday 30 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "durga-navami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-10-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Durgā Navamī 2006 falls on Monday 30 October. Navamī runs from 11:43 on Mon 30 Oct to 09:55 on Tue 31 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/akshaya-navami",
      "festival": "akshaya-navami",
      "name": "Akṣaya Navamī",
      "everyday": "Amla Navami",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-10-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2683,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2006-10-30T11:42:58+03:00",
          "utc": "2006-10-30T08:42:58Z",
          "ms": 1162197777759.3015
        },
        "end": {
          "local": "2006-10-31T09:54:53+03:00",
          "utc": "2006-10-31T06:54:53Z",
          "ms": 1162277693054.813
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-10-30T11:42:58+03:00",
          "utc": "2006-10-30T08:42:58Z",
          "ms": 1162197777759.3015
        },
        "end": {
          "local": "2006-10-31T09:54:53+03:00",
          "utc": "2006-10-31T06:54:53Z",
          "ms": 1162277693054.813
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2006-10-30",
          "window": {
            "start": {
              "local": "2006-10-30T07:31:13+03:00",
              "utc": "2006-10-30T04:31:13Z",
              "ms": 1162182673206.7842
            },
            "end": {
              "local": "2006-10-30T10:38:56+03:00",
              "utc": "2006-10-30T07:38:56Z",
              "ms": 1162193936002.0642
            }
          },
          "covered_min": 0,
          "window_min": 188,
          "qualifies": false
        },
        {
          "local_date": "2006-10-31",
          "window": {
            "start": {
              "local": "2006-10-31T07:33:20+03:00",
              "utc": "2006-10-31T04:33:20Z",
              "ms": 1162269199661.2324
            },
            "end": {
              "local": "2006-10-31T10:39:36+03:00",
              "utc": "2006-10-31T07:39:36Z",
              "ms": 1162280376453.1255
            }
          },
          "covered_min": 142,
          "window_min": 186,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 11:43 on Mon 30 Oct to 09:55 on Tue 31 Oct.",
          "fact": "2006-10-30T08:42:58Z → 2006-10-31T06:54:53Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:31–10:39 on the 30th, 07:33–10:40 on the 31st.",
          "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 188 minutes on the 30th and 142 of 186 on the 31st.",
          "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 2683 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Navamī, Moscow, 2006: Tuesday 31 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "akshaya-navami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata."
          }
        ],
        "kaala": "purvahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-10-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-10-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Akṣaya Navamī (Amla Navami) 2006 falls on Tuesday 31 October. Navamī runs from 11:43 on Mon 30 Oct to 09:55 on Tue 31 Oct and covers 142 of 186 minutes of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/ekadashi?on=2006-11-01",
      "festival": "ekadashi",
      "name": "Prabodhinī Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-11-01",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 132,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-11-01T07:37:38+03:00",
          "utc": "2006-11-01T04:37:38Z",
          "ms": 1162355857833.844
        },
        "end": {
          "local": "2006-11-02T04:54:53+03:00",
          "utc": "2006-11-02T01:54:53Z",
          "ms": 1162432492751.4036
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-11-01T07:37:38+03:00",
          "utc": "2006-11-01T04:37:38Z",
          "ms": 1162355857833.844
        },
        "end": {
          "local": "2006-11-02T04:54:53+03:00",
          "utc": "2006-11-02T01:54:53Z",
          "ms": 1162432492751.4036
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-11-01",
          "window": {
            "start": {
              "local": "2006-11-01T07:35:26+03:00",
              "utc": "2006-11-01T04:35:26Z",
              "ms": 1162355726180.009
            },
            "end": {
              "local": "2006-11-01T07:35:26+03:00",
              "utc": "2006-11-01T04:35:26Z",
              "ms": 1162355726180.009
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2006-11-02",
          "window": {
            "start": {
              "local": "2006-11-02T07:37:33+03:00",
              "utc": "2006-11-02T04:37:33Z",
              "ms": 1162442252731.2876
            },
            "end": {
              "local": "2006-11-02T07:37:33+03:00",
              "utc": "2006-11-02T04:37:33Z",
              "ms": 1162442252731.2876
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 07:38 on Wed 1 Nov to 04:55 on Thu 2 Nov.",
          "fact": "2006-11-01T04:37:38Z → 2006-11-02T01:54:53Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:35 on the 1st and 07:38 on the 2nd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 1st and is not on the 2nd.",
          "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 132 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Prabodhinī Ekādaśī, Moscow, 2006: Wednesday 1 November.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-11-01",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-11-01",
          "confidence": "boundary"
        }
      ],
      "quote": "In Moscow, Prabodhinī Ekādaśī 2006 falls on Wednesday 1 November. Ekādaśī runs from 07:38 on Wed 1 Nov to 04:55 on Thu 2 Nov, and is current at sunrise on neither day. It is 2 min 12 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-11-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/pradosha-vrata?on=2006-11-03",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-11-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13843,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-11-03T01:52:00+03:00",
          "utc": "2006-11-02T22:52:00Z",
          "ms": 1162507919942.9072
        },
        "end": {
          "local": "2006-11-03T22:35:55+03:00",
          "utc": "2006-11-03T19:35:55Z",
          "ms": 1162582555276.6692
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-11-03T01:52:00+03:00",
          "utc": "2006-11-02T22:52:00Z",
          "ms": 1162507919942.9072
        },
        "end": {
          "local": "2006-11-03T22:35:55+03:00",
          "utc": "2006-11-03T19:35:55Z",
          "ms": 1162582555276.6692
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-11-02",
          "window": {
            "start": {
              "local": "2006-11-02T16:47:51+03:00",
              "utc": "2006-11-02T13:47:51Z",
              "ms": 1162475271431.0679
            },
            "end": {
              "local": "2006-11-02T18:46:46+03:00",
              "utc": "2006-11-02T15:46:46Z",
              "ms": 1162482405811.41
            }
          },
          "covered_min": 0,
          "window_min": 119,
          "qualifies": false
        },
        {
          "local_date": "2006-11-03",
          "window": {
            "start": {
              "local": "2006-11-03T16:45:44+03:00",
              "utc": "2006-11-03T13:45:44Z",
              "ms": 1162561544489.2869
            },
            "end": {
              "local": "2006-11-03T18:45:13+03:00",
              "utc": "2006-11-03T15:45:13Z",
              "ms": 1162568712664.7703
            }
          },
          "covered_min": 119,
          "window_min": 119,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 01:52 on Fri 3 Nov to 22:36 on Fri 3 Nov.",
          "fact": "2006-11-02T22:52:00Z → 2006-11-03T19:35:55Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:48–18:47 on the 2nd, 16:46–18:45 on the 3rd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 119 minutes on the 2nd and 119 of 119 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 13843 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Moscow, 2006: Friday 3 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": "2006-11-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-11-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Śukla Pradoṣa Vrata 2006 falls on Friday 3 November. Trayodaśī runs from 01:52 on Fri 3 Nov to 22:36 on Fri 3 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/pradosha-vrata?on=2006-11-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/rasayatra",
      "festival": "rasayatra",
      "name": "Rāsayātrā",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-11-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16491,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2006-11-04T19:14:55+03:00",
          "utc": "2006-11-04T16:14:55Z",
          "ms": 1162656894567.6033
        },
        "end": {
          "local": "2006-11-05T15:58:16+03:00",
          "utc": "2006-11-05T12:58:16Z",
          "ms": 1162731495708.0388
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-11-04T19:14:55+03:00",
          "utc": "2006-11-04T16:14:55Z",
          "ms": 1162656894567.6033
        },
        "end": {
          "local": "2006-11-05T15:58:16+03:00",
          "utc": "2006-11-05T12:58:16Z",
          "ms": 1162731495708.0388
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2006-11-04",
          "window": {
            "start": {
              "local": "2006-11-04T23:49:46+03:00",
              "utc": "2006-11-04T20:49:46Z",
              "ms": 1162673385729.6748
            },
            "end": {
              "local": "2006-11-05T00:37:46+03:00",
              "utc": "2006-11-04T21:37:46Z",
              "ms": 1162676265729.6748
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-11-05",
          "window": {
            "start": {
              "local": "2006-11-05T23:49:47+03:00",
              "utc": "2006-11-05T20:49:47Z",
              "ms": 1162759787115.2227
            },
            "end": {
              "local": "2006-11-06T00:37:47+03:00",
              "utc": "2006-11-05T21:37:47Z",
              "ms": 1162762667115.2227
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 19:15 on Sat 4 Nov to 15:58 on Sun 5 Nov.",
          "fact": "2006-11-04T16:14:55Z → 2006-11-05T12:58:16Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:50–00:38 on the 4th, 23:50–00:38 on the 5th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during niśītha. It covers 48 of 48 minutes on the 4th and 0 of 48 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 16491 s"
        },
        {
          "step": "ruling",
          "text": "Rāsayātrā, Moscow, 2006: Saturday 4 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": "2006-11-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-11-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Rāsayātrā 2006 falls on Saturday 4 November. Pūrṇimā runs from 19:15 on Sat 4 Nov to 15:58 on Sun 5 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/kartiki-purnima",
      "festival": "kartiki-purnima",
      "name": "Kārtikī Pūrṇimā",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-11-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12092,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2006-11-04T19:14:55+03:00",
          "utc": "2006-11-04T16:14:55Z",
          "ms": 1162656894567.6033
        },
        "end": {
          "local": "2006-11-05T15:58:16+03:00",
          "utc": "2006-11-05T12:58:16Z",
          "ms": 1162731495708.0388
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-11-04T19:14:55+03:00",
          "utc": "2006-11-04T16:14:55Z",
          "ms": 1162656894567.6033
        },
        "end": {
          "local": "2006-11-05T15:58:16+03:00",
          "utc": "2006-11-05T12:58:16Z",
          "ms": 1162731495708.0388
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-11-04",
          "window": {
            "start": {
              "local": "2006-11-04T11:48:43+03:00",
              "utc": "2006-11-04T08:48:43Z",
              "ms": 1162630122500.4106
            },
            "end": {
              "local": "2006-11-04T12:36:43+03:00",
              "utc": "2006-11-04T09:36:43Z",
              "ms": 1162633002500.4106
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-11-05",
          "window": {
            "start": {
              "local": "2006-11-05T11:48:44+03:00",
              "utc": "2006-11-05T08:48:44Z",
              "ms": 1162716523935.1707
            },
            "end": {
              "local": "2006-11-05T12:36:44+03:00",
              "utc": "2006-11-05T09:36:44Z",
              "ms": 1162719403935.1707
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 19:15 on Sat 4 Nov to 15:58 on Sun 5 Nov.",
          "fact": "2006-11-04T16:14:55Z → 2006-11-05T12:58:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 4th, 11:49–12:37 on the 5th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 12092 s"
        },
        {
          "step": "ruling",
          "text": "Kārtikī Pūrṇimā, Moscow, 2006: Sunday 5 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": "2006-11-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-11-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Kārtikī Pūrṇimā 2006 falls on Sunday 5 November. Pūrṇimā runs from 19:15 on Sat 4 Nov to 15:58 on Sun 5 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/sankashta-chaturthi?on=2006-11-08",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-11-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33919,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-11-08T08:14:39+03:00",
          "utc": "2006-11-08T05:14:39Z",
          "ms": 1162962878715.076
        },
        "end": {
          "local": "2006-11-09T06:53:59+03:00",
          "utc": "2006-11-09T03:53:59Z",
          "ms": 1163044439366.7122
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-11-08T08:14:39+03:00",
          "utc": "2006-11-08T05:14:39Z",
          "ms": 1162962878715.076
        },
        "end": {
          "local": "2006-11-09T06:53:59+03:00",
          "utc": "2006-11-09T03:53:59Z",
          "ms": 1163044439366.7122
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2006-11-08",
          "window": {
            "start": {
              "local": "2006-11-08T17:39:57+03:00",
              "utc": "2006-11-08T14:39:57Z",
              "ms": 1162996797360.714
            },
            "end": {
              "local": "2006-11-08T17:39:57+03:00",
              "utc": "2006-11-08T14:39:57Z",
              "ms": 1162996797360.714
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2006-11-09",
          "window": {
            "start": {
              "local": "2006-11-09T18:47:38+03:00",
              "utc": "2006-11-09T15:47:38Z",
              "ms": 1163087257702.2776
            },
            "end": {
              "local": "2006-11-09T18:47:38+03:00",
              "utc": "2006-11-09T15:47:38Z",
              "ms": 1163087257702.2776
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 08:15 on Wed 8 Nov to 06:54 on Thu 9 Nov.",
          "fact": "2006-11-08T05:14:39Z → 2006-11-09T03:53:59Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 17:40 on the 8th and 18:48 on the 9th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 8th and is not on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 33919 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Moscow, 2006: Wednesday 8 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": "2006-11-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-11-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Saṅkaṣṭa Caturthī 2006 falls on Wednesday 8 November. Caturthī runs from 08:15 on Wed 8 Nov to 06:54 on Thu 9 Nov and is current at moonrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/sankashta-chaturthi?on=2006-11-08",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/ekadashi?on=2006-11-16",
      "festival": "ekadashi",
      "name": "Utpannā Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-11-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24598,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-11-15T14:54:41+03:00",
          "utc": "2006-11-15T11:54:41Z",
          "ms": 1163591681413.3667
        },
        "end": {
          "local": "2006-11-16T17:38:49+03:00",
          "utc": "2006-11-16T14:38:49Z",
          "ms": 1163687929474.135
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-11-15T14:54:41+03:00",
          "utc": "2006-11-15T11:54:41Z",
          "ms": 1163591681413.3667
        },
        "end": {
          "local": "2006-11-16T17:38:49+03:00",
          "utc": "2006-11-16T14:38:49Z",
          "ms": 1163687929474.135
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-11-15",
          "window": {
            "start": {
              "local": "2006-11-15T08:04:43+03:00",
              "utc": "2006-11-15T05:04:43Z",
              "ms": 1163567083320.65
            },
            "end": {
              "local": "2006-11-15T08:04:43+03:00",
              "utc": "2006-11-15T05:04:43Z",
              "ms": 1163567083320.65
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2006-11-16",
          "window": {
            "start": {
              "local": "2006-11-16T08:06:46+03:00",
              "utc": "2006-11-16T05:06:46Z",
              "ms": 1163653605733.3894
            },
            "end": {
              "local": "2006-11-16T08:06:46+03:00",
              "utc": "2006-11-16T05:06:46Z",
              "ms": 1163653605733.3894
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 14:55 on Wed 15 Nov to 17:39 on Thu 16 Nov.",
          "fact": "2006-11-15T11:54:41Z → 2006-11-16T14:38:49Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 08:05 on the 15th and 08:07 on the 16th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 15th and is on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 24598 s"
        },
        {
          "step": "ruling",
          "text": "Utpannā Ekādaśī, Moscow, 2006: Thursday 16 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": "2006-11-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-11-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Utpannā Ekādaśī 2006 falls on Thursday 16 November. Ekādaśī runs from 14:55 on Wed 15 Nov to 17:39 on Thu 16 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-11-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/pradosha-vrata?on=2006-11-18",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-11-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6294,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-11-17T20:11:13+03:00",
          "utc": "2006-11-17T17:11:13Z",
          "ms": 1163783473256.2937
        },
        "end": {
          "local": "2006-11-18T22:21:52+03:00",
          "utc": "2006-11-18T19:21:52Z",
          "ms": 1163877712162.0667
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-11-17T20:11:13+03:00",
          "utc": "2006-11-17T17:11:13Z",
          "ms": 1163783473256.2937
        },
        "end": {
          "local": "2006-11-18T22:21:52+03:00",
          "utc": "2006-11-18T19:21:52Z",
          "ms": 1163877712162.0667
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-11-17",
          "window": {
            "start": {
              "local": "2006-11-17T16:19:29+03:00",
              "utc": "2006-11-17T13:19:29Z",
              "ms": 1163769568798.163
            },
            "end": {
              "local": "2006-11-17T18:26:19+03:00",
              "utc": "2006-11-17T15:26:19Z",
              "ms": 1163777179372.954
            }
          },
          "covered_min": 0,
          "window_min": 127,
          "qualifies": false
        },
        {
          "local_date": "2006-11-18",
          "window": {
            "start": {
              "local": "2006-11-18T16:17:53+03:00",
              "utc": "2006-11-18T13:17:53Z",
              "ms": 1163855873338.5623
            },
            "end": {
              "local": "2006-11-18T18:25:13+03:00",
              "utc": "2006-11-18T15:25:13Z",
              "ms": 1163863512612.797
            }
          },
          "covered_min": 127,
          "window_min": 127,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 20:11 on Fri 17 Nov to 22:22 on Sat 18 Nov.",
          "fact": "2006-11-17T17:11:13Z → 2006-11-18T19:21:52Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:19–18:26 on the 17th, 16:18–18:25 on the 18th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 127 minutes on the 17th and 127 of 127 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 6294 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2006: Saturday 18 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": "2006-11-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-11-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2006 falls on Saturday 18 November. Trayodaśī runs from 20:11 on Fri 17 Nov to 22:22 on Sat 18 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/pradosha-vrata?on=2006-11-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/shivaratri?on=2006-11-18",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-11-18",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 798,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2006-11-18T22:21:52+03:00",
          "utc": "2006-11-18T19:21:52Z",
          "ms": 1163877712162.0667
        },
        "end": {
          "local": "2006-11-20T00:04:51+03:00",
          "utc": "2006-11-19T21:04:51Z",
          "ms": 1163970291319.6436
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-11-18T22:21:52+03:00",
          "utc": "2006-11-18T19:21:52Z",
          "ms": 1163877712162.0667
        },
        "end": {
          "local": "2006-11-20T00:04:51+03:00",
          "utc": "2006-11-19T21:04:51Z",
          "ms": 1163970291319.6436
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2006-11-18",
          "window": {
            "start": {
              "local": "2006-11-18T23:51:21+03:00",
              "utc": "2006-11-18T20:51:21Z",
              "ms": 1163883080616.9426
            },
            "end": {
              "local": "2006-11-19T00:39:21+03:00",
              "utc": "2006-11-18T21:39:21Z",
              "ms": 1163885960616.9426
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-11-19",
          "window": {
            "start": {
              "local": "2006-11-19T23:51:34+03:00",
              "utc": "2006-11-19T20:51:34Z",
              "ms": 1163969493580.225
            },
            "end": {
              "local": "2006-11-20T00:39:34+03:00",
              "utc": "2006-11-19T21:39:34Z",
              "ms": 1163972373580.225
            }
          },
          "covered_min": 13,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 22:22 on Sat 18 Nov to 00:05 on Mon 20 Nov.",
          "fact": "2006-11-18T19:21:52Z → 2006-11-19T21:04:51Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:51–00:39 on the 18th, 23:52–00:40 on the 19th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 18th and 13 of 48 on the 19th.",
          "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 798 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Moscow, 2006: Saturday 18 November.",
          "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": "2006-11-18",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-11-18",
          "confidence": "boundary"
        }
      ],
      "quote": "In Moscow, Śivarātri 2006 falls on Saturday 18 November. Caturdaśī runs from 22:22 on Sat 18 Nov to 00:05 on Mon 20 Nov and covers all of niśītha that night. It also reaches the next night for 13 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/moscow/festivals/2006/shivaratri?on=2006-11-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/vinayaka-chaturthi?on=2006-11-24",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-11-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34834,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-11-24T02:11:20+03:00",
          "utc": "2006-11-23T23:11:20Z",
          "ms": 1164323480251.6096
        },
        "end": {
          "local": "2006-11-25T01:42:15+03:00",
          "utc": "2006-11-24T22:42:15Z",
          "ms": 1164408134909.6133
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-11-24T02:11:20+03:00",
          "utc": "2006-11-23T23:11:20Z",
          "ms": 1164323480251.6096
        },
        "end": {
          "local": "2006-11-25T01:42:15+03:00",
          "utc": "2006-11-24T22:42:15Z",
          "ms": 1164408134909.6133
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-11-24",
          "window": {
            "start": {
              "local": "2006-11-24T11:51:54+03:00",
              "utc": "2006-11-24T08:51:54Z",
              "ms": 1164358313962.9316
            },
            "end": {
              "local": "2006-11-24T12:39:54+03:00",
              "utc": "2006-11-24T09:39:54Z",
              "ms": 1164361193962.9316
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-11-25",
          "window": {
            "start": {
              "local": "2006-11-25T11:52:12+03:00",
              "utc": "2006-11-25T08:52:12Z",
              "ms": 1164444732266.258
            },
            "end": {
              "local": "2006-11-25T12:40:12+03:00",
              "utc": "2006-11-25T09:40:12Z",
              "ms": 1164447612266.258
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 02:11 on Fri 24 Nov to 01:42 on Sat 25 Nov.",
          "fact": "2006-11-23T23:11:20Z → 2006-11-24T22:42:15Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 24th, 11:52–12:40 on the 25th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 34834 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Moscow, 2006: Friday 24 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": "2006-11-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-11-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Vināyaka Caturthī 2006 falls on Friday 24 November. Caturthī runs from 02:11 on Fri 24 Nov to 01:42 on Sat 25 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/vinayaka-chaturthi?on=2006-11-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/naga-panchami-margashirsha",
      "festival": "naga-panchami-margashirsha",
      "name": "Nāga Pañcamī (Mārgaśīrṣa)",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-11-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36597,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2006-11-25T01:42:15+03:00",
          "utc": "2006-11-24T22:42:15Z",
          "ms": 1164408134909.6133
        },
        "end": {
          "local": "2006-11-26T00:53:18+03:00",
          "utc": "2006-11-25T21:53:18Z",
          "ms": 1164491597531.474
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-11-25T01:42:15+03:00",
          "utc": "2006-11-24T22:42:15Z",
          "ms": 1164408134909.6133
        },
        "end": {
          "local": "2006-11-26T00:53:18+03:00",
          "utc": "2006-11-25T21:53:18Z",
          "ms": 1164491597531.474
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-11-25",
          "window": {
            "start": {
              "local": "2006-11-25T11:52:12+03:00",
              "utc": "2006-11-25T08:52:12Z",
              "ms": 1164444732266.258
            },
            "end": {
              "local": "2006-11-25T12:40:12+03:00",
              "utc": "2006-11-25T09:40:12Z",
              "ms": 1164447612266.258
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-11-26",
          "window": {
            "start": {
              "local": "2006-11-26T11:52:31+03:00",
              "utc": "2006-11-26T08:52:31Z",
              "ms": 1164531151314.6782
            },
            "end": {
              "local": "2006-11-26T12:40:31+03:00",
              "utc": "2006-11-26T09:40:31Z",
              "ms": 1164534031314.6782
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 01:42 on Sat 25 Nov to 00:53 on Sun 26 Nov.",
          "fact": "2006-11-24T22:42:15Z → 2006-11-25T21:53:18Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 25th, 11:53–12:41 on the 26th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 36597 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī (Mārgaśīrṣa), Moscow, 2006: Saturday 25 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naga-panchami-margashirsha",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Naga pancami (2nd) (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-11-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-11-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Nāga Pañcamī (Mārgaśīrṣa) 2006 falls on Saturday 25 November. Pañcamī runs from 01:42 on Sat 25 Nov to 00:53 on Sun 26 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/champa-shashthi",
      "festival": "champa-shashthi",
      "name": "Campā Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-11-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 39554,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2006-11-26T00:53:18+03:00",
          "utc": "2006-11-25T21:53:18Z",
          "ms": 1164491597531.474
        },
        "end": {
          "local": "2006-11-26T23:45:27+03:00",
          "utc": "2006-11-26T20:45:27Z",
          "ms": 1164573927016.5117
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-11-26T00:53:18+03:00",
          "utc": "2006-11-25T21:53:18Z",
          "ms": 1164491597531.474
        },
        "end": {
          "local": "2006-11-26T23:45:27+03:00",
          "utc": "2006-11-26T20:45:27Z",
          "ms": 1164573927016.5117
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-11-26",
          "window": {
            "start": {
              "local": "2006-11-26T11:52:31+03:00",
              "utc": "2006-11-26T08:52:31Z",
              "ms": 1164531151314.6782
            },
            "end": {
              "local": "2006-11-26T12:40:31+03:00",
              "utc": "2006-11-26T09:40:31Z",
              "ms": 1164534031314.6782
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-11-27",
          "window": {
            "start": {
              "local": "2006-11-27T11:52:51+03:00",
              "utc": "2006-11-27T08:52:51Z",
              "ms": 1164617571089.8452
            },
            "end": {
              "local": "2006-11-27T12:40:51+03:00",
              "utc": "2006-11-27T09:40:51Z",
              "ms": 1164620451089.8452
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 00:53 on Sun 26 Nov to 23:45 on Sun 26 Nov.",
          "fact": "2006-11-25T21:53:18Z → 2006-11-26T20:45:27Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 26th, 11:53–12:41 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 39554 s"
        },
        {
          "step": "ruling",
          "text": "Campā Ṣaṣṭhī, Moscow, 2006: Sunday 26 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "champa-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi"
          }
        ],
        "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.",
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-11-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-11-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Campā Ṣaṣṭhī 2006 falls on Sunday 26 November. Ṣaṣṭhī runs from 00:53 on Sun 26 Nov to 23:45 on Sun 26 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/skanda-shashthi",
      "festival": "skanda-shashthi",
      "name": "Skanda Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-11-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 39554,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2006-11-26T00:53:18+03:00",
          "utc": "2006-11-25T21:53:18Z",
          "ms": 1164491597531.474
        },
        "end": {
          "local": "2006-11-26T23:45:27+03:00",
          "utc": "2006-11-26T20:45:27Z",
          "ms": 1164573927016.5117
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-11-26T00:53:18+03:00",
          "utc": "2006-11-25T21:53:18Z",
          "ms": 1164491597531.474
        },
        "end": {
          "local": "2006-11-26T23:45:27+03:00",
          "utc": "2006-11-26T20:45:27Z",
          "ms": 1164573927016.5117
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-11-26",
          "window": {
            "start": {
              "local": "2006-11-26T11:52:31+03:00",
              "utc": "2006-11-26T08:52:31Z",
              "ms": 1164531151314.6782
            },
            "end": {
              "local": "2006-11-26T12:40:31+03:00",
              "utc": "2006-11-26T09:40:31Z",
              "ms": 1164534031314.6782
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-11-27",
          "window": {
            "start": {
              "local": "2006-11-27T11:52:51+03:00",
              "utc": "2006-11-27T08:52:51Z",
              "ms": 1164617571089.8452
            },
            "end": {
              "local": "2006-11-27T12:40:51+03:00",
              "utc": "2006-11-27T09:40:51Z",
              "ms": 1164620451089.8452
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 00:53 on Sun 26 Nov to 23:45 on Sun 26 Nov.",
          "fact": "2006-11-25T21:53:18Z → 2006-11-26T20:45:27Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 26th, 11:53–12:41 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 39554 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī, Moscow, 2006: Sunday 26 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "skanda-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-11-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-11-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Skanda Ṣaṣṭhī 2006 falls on Sunday 26 November. Ṣaṣṭhī runs from 00:53 on Sun 26 Nov to 23:45 on Sun 26 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/mitra-saptami",
      "festival": "mitra-saptami",
      "name": "Mitra Saptamī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-11-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34693,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2006-11-26T23:45:27+03:00",
          "utc": "2006-11-26T20:45:27Z",
          "ms": 1164573927016.5117
        },
        "end": {
          "local": "2006-11-27T22:19:04+03:00",
          "utc": "2006-11-27T19:19:04Z",
          "ms": 1164655144207.9824
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-11-26T23:45:27+03:00",
          "utc": "2006-11-26T20:45:27Z",
          "ms": 1164573927016.5117
        },
        "end": {
          "local": "2006-11-27T22:19:04+03:00",
          "utc": "2006-11-27T19:19:04Z",
          "ms": 1164655144207.9824
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-11-26",
          "window": {
            "start": {
              "local": "2006-11-26T11:52:31+03:00",
              "utc": "2006-11-26T08:52:31Z",
              "ms": 1164531151314.6782
            },
            "end": {
              "local": "2006-11-26T12:40:31+03:00",
              "utc": "2006-11-26T09:40:31Z",
              "ms": 1164534031314.6782
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-11-27",
          "window": {
            "start": {
              "local": "2006-11-27T11:52:51+03:00",
              "utc": "2006-11-27T08:52:51Z",
              "ms": 1164617571089.8452
            },
            "end": {
              "local": "2006-11-27T12:40:51+03:00",
              "utc": "2006-11-27T09:40:51Z",
              "ms": 1164620451089.8452
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 23:45 on Sun 26 Nov to 22:19 on Mon 27 Nov.",
          "fact": "2006-11-26T20:45:27Z → 2006-11-27T19:19:04Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 26th, 11:53–12:41 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 34693 s"
        },
        {
          "step": "ruling",
          "text": "Mitra Saptamī, Moscow, 2006: Monday 27 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mitra-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Mitra saptami (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-11-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-11-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Mitra Saptamī 2006 falls on Monday 27 November. Saptamī runs from 23:45 on Sun 26 Nov to 22:19 on Mon 27 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/ekadashi?on=2006-12-01",
      "festival": "ekadashi",
      "name": "Mokṣadā Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-12-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18420,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-11-30T16:13:22+03:00",
          "utc": "2006-11-30T13:13:22Z",
          "ms": 1164892401874.0159
        },
        "end": {
          "local": "2006-12-01T13:41:53+03:00",
          "utc": "2006-12-01T10:41:53Z",
          "ms": 1164969713262.8445
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-11-30T16:13:22+03:00",
          "utc": "2006-11-30T13:13:22Z",
          "ms": 1164892401874.0159
        },
        "end": {
          "local": "2006-12-01T13:41:53+03:00",
          "utc": "2006-12-01T10:41:53Z",
          "ms": 1164969713262.8445
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-11-30",
          "window": {
            "start": {
              "local": "2006-11-30T08:33:13+03:00",
              "utc": "2006-11-30T05:33:13Z",
              "ms": 1164864793086.6104
            },
            "end": {
              "local": "2006-11-30T08:33:13+03:00",
              "utc": "2006-11-30T05:33:13Z",
              "ms": 1164864793086.6104
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2006-12-01",
          "window": {
            "start": {
              "local": "2006-12-01T08:34:53+03:00",
              "utc": "2006-12-01T05:34:53Z",
              "ms": 1164951293271.2446
            },
            "end": {
              "local": "2006-12-01T08:34:53+03:00",
              "utc": "2006-12-01T05:34:53Z",
              "ms": 1164951293271.2446
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 16:13 on Thu 30 Nov to 13:42 on Fri 1 Dec.",
          "fact": "2006-11-30T13:13:22Z → 2006-12-01T10:41:53Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 08:33 on the 30th and 08:35 on the 1st.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 30th and is on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 18420 s"
        },
        {
          "step": "ruling",
          "text": "Mokṣadā Ekādaśī, Moscow, 2006: Friday 1 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": "2006-12-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-12-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Mokṣadā Ekādaśī 2006 falls on Friday 1 December. Ekādaśī runs from 16:13 on Thu 30 Nov to 13:42 on Fri 1 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-12-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/akhanda-dvadashi",
      "festival": "akhanda-dvadashi",
      "name": "Akhaṇḍa Dvādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-12-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3147,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2006-12-01T13:41:53+03:00",
          "utc": "2006-12-01T10:41:53Z",
          "ms": 1164969713262.8445
        },
        "end": {
          "local": "2006-12-02T11:02:13+03:00",
          "utc": "2006-12-02T08:02:13Z",
          "ms": 1165046533360.71
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-12-01T13:41:53+03:00",
          "utc": "2006-12-01T10:41:53Z",
          "ms": 1164969713262.8445
        },
        "end": {
          "local": "2006-12-02T11:02:13+03:00",
          "utc": "2006-12-02T08:02:13Z",
          "ms": 1165046533360.71
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-12-01",
          "window": {
            "start": {
              "local": "2006-12-01T11:54:17+03:00",
              "utc": "2006-12-01T08:54:17Z",
              "ms": 1164963257086.1812
            },
            "end": {
              "local": "2006-12-01T12:42:17+03:00",
              "utc": "2006-12-01T09:42:17Z",
              "ms": 1164966137086.1812
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-12-02",
          "window": {
            "start": {
              "local": "2006-12-02T11:54:40+03:00",
              "utc": "2006-12-02T08:54:40Z",
              "ms": 1165049680217.167
            },
            "end": {
              "local": "2006-12-02T12:42:40+03:00",
              "utc": "2006-12-02T09:42:40Z",
              "ms": 1165052560217.167
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 13:42 on Fri 1 Dec to 11:02 on Sat 2 Dec.",
          "fact": "2006-12-01T10:41:53Z → 2006-12-02T08:02:13Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 1st, 11:55–12:43 on the 2nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 0 of 48 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: paraviddha → second-day · margin 3147 s"
        },
        {
          "step": "ruling",
          "text": "Akhaṇḍa Dvādaśī, Moscow, 2006: Saturday 2 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": "2006-12-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-12-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Akhaṇḍa Dvādaśī 2006 falls on Saturday 2 December. Dvādaśī runs from 13:42 on Fri 1 Dec to 11:02 on Sat 2 Dec, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/pradosha-vrata?on=2006-12-02",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-12-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17916,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-12-02T11:02:13+03:00",
          "utc": "2006-12-02T08:02:13Z",
          "ms": 1165046533360.71
        },
        "end": {
          "local": "2006-12-03T08:20:46+03:00",
          "utc": "2006-12-03T05:20:46Z",
          "ms": 1165123246400.1099
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-12-02T11:02:13+03:00",
          "utc": "2006-12-02T08:02:13Z",
          "ms": 1165046533360.71
        },
        "end": {
          "local": "2006-12-03T08:20:46+03:00",
          "utc": "2006-12-03T05:20:46Z",
          "ms": 1165123246400.1099
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-12-02",
          "window": {
            "start": {
              "local": "2006-12-02T16:00:49+03:00",
              "utc": "2006-12-02T13:00:49Z",
              "ms": 1165064449311.607
            },
            "end": {
              "local": "2006-12-02T18:13:48+03:00",
              "utc": "2006-12-02T15:13:48Z",
              "ms": 1165072427608.487
            }
          },
          "covered_min": 133,
          "window_min": 133,
          "qualifies": true
        },
        {
          "local_date": "2006-12-03",
          "window": {
            "start": {
              "local": "2006-12-03T16:00:01+03:00",
              "utc": "2006-12-03T13:00:01Z",
              "ms": 1165150801391.21
            },
            "end": {
              "local": "2006-12-03T18:13:18+03:00",
              "utc": "2006-12-03T15:13:18Z",
              "ms": 1165158798461.1514
            }
          },
          "covered_min": 0,
          "window_min": 133,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 11:02 on Sat 2 Dec to 08:21 on Sun 3 Dec.",
          "fact": "2006-12-02T08:02:13Z → 2006-12-03T05:20:46Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:01–18:14 on the 2nd, 16:00–18:13 on the 3rd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 133 of 133 minutes on the 2nd and 0 of 133 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 17916 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Moscow, 2006: Saturday 2 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": "2006-12-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-12-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Śukla Pradoṣa Vrata 2006 falls on Saturday 2 December. Trayodaśī runs from 11:02 on Sat 2 Dec to 08:21 on Sun 3 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/pradosha-vrata?on=2006-12-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/dattatreyotpatti",
      "festival": "dattatreyotpatti",
      "name": "Dattātreyotpatti",
      "everyday": "Datta Jayanti",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-12-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33117,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2006-12-04T05:45:21+03:00",
          "utc": "2006-12-04T02:45:21Z",
          "ms": 1165200321449.0415
        },
        "end": {
          "local": "2006-12-05T03:24:49+03:00",
          "utc": "2006-12-05T00:24:49Z",
          "ms": 1165278289275.821
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-12-04T05:45:21+03:00",
          "utc": "2006-12-04T02:45:21Z",
          "ms": 1165200321449.0415
        },
        "end": {
          "local": "2006-12-05T03:24:49+03:00",
          "utc": "2006-12-05T00:24:49Z",
          "ms": 1165278289275.821
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-12-03",
          "window": {
            "start": {
              "local": "2006-12-03T16:00:01+03:00",
              "utc": "2006-12-03T13:00:01Z",
              "ms": 1165150801391.21
            },
            "end": {
              "local": "2006-12-03T18:13:18+03:00",
              "utc": "2006-12-03T15:13:18Z",
              "ms": 1165158798461.1514
            }
          },
          "covered_min": 0,
          "window_min": 133,
          "qualifies": false
        },
        {
          "local_date": "2006-12-04",
          "window": {
            "start": {
              "local": "2006-12-04T15:59:17+03:00",
              "utc": "2006-12-04T12:59:17Z",
              "ms": 1165237157205.3528
            },
            "end": {
              "local": "2006-12-04T18:12:52+03:00",
              "utc": "2006-12-04T15:12:52Z",
              "ms": 1165245172198.4543
            }
          },
          "covered_min": 134,
          "window_min": 134,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 05:45 on Mon 4 Dec to 03:25 on Tue 5 Dec.",
          "fact": "2006-12-04T02:45:21Z → 2006-12-05T00:24:49Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 16:00–18:13 on the 3rd, 15:59–18:13 on the 4th.",
          "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 133 minutes on the 3rd and 134 of 134 on the 4th.",
          "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 33117 s"
        },
        {
          "step": "ruling",
          "text": "Dattātreyotpatti, Moscow, 2006: Monday 4 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": "2006-12-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-12-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Dattātreyotpatti (Datta Jayanti) 2006 falls on Monday 4 December. Pūrṇimā runs from 05:45 on Mon 4 Dec to 03:25 on Tue 5 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/moscow/festivals/2006/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": "/moscow/festivals/2006/sankashta-chaturthi?on=2006-12-08",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-12-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15539,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-12-07T23:23:36+03:00",
          "utc": "2006-12-07T20:23:36Z",
          "ms": 1165523016387.0623
        },
        "end": {
          "local": "2006-12-08T23:28:24+03:00",
          "utc": "2006-12-08T20:28:24Z",
          "ms": 1165609703733.654
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-12-07T23:23:36+03:00",
          "utc": "2006-12-07T20:23:36Z",
          "ms": 1165523016387.0623
        },
        "end": {
          "local": "2006-12-08T23:28:24+03:00",
          "utc": "2006-12-08T20:28:24Z",
          "ms": 1165609703733.654
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2006-12-07",
          "window": {
            "start": {
              "local": "2006-12-07T17:43:06+03:00",
              "utc": "2006-12-07T14:43:06Z",
              "ms": 1165502585757.7903
            },
            "end": {
              "local": "2006-12-07T17:43:06+03:00",
              "utc": "2006-12-07T14:43:06Z",
              "ms": 1165502585757.7903
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2006-12-08",
          "window": {
            "start": {
              "local": "2006-12-08T19:09:25+03:00",
              "utc": "2006-12-08T16:09:25Z",
              "ms": 1165594164602.847
            },
            "end": {
              "local": "2006-12-08T19:09:25+03:00",
              "utc": "2006-12-08T16:09:25Z",
              "ms": 1165594164602.847
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:24 on Thu 7 Dec to 23:28 on Fri 8 Dec.",
          "fact": "2006-12-07T20:23:36Z → 2006-12-08T20:28:24Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 17:43 on the 7th and 19:09 on the 8th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 7th and is on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 15539 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Moscow, 2006: Friday 8 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": "2006-12-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-12-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Saṅkaṣṭa Caturthī 2006 falls on Friday 8 December. Caturthī runs from 23:24 on Thu 7 Dec to 23:28 on Fri 8 Dec and is current at moonrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/sankashta-chaturthi?on=2006-12-08",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/ekadashi?on=2006-12-16",
      "festival": "ekadashi",
      "name": "Saphalā Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-12-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11817,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-12-15T12:10:22+03:00",
          "utc": "2006-12-15T09:10:22Z",
          "ms": 1166173821540.0276
        },
        "end": {
          "local": "2006-12-16T14:20:03+03:00",
          "utc": "2006-12-16T11:20:03Z",
          "ms": 1166268003248.2
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-12-15T12:10:22+03:00",
          "utc": "2006-12-15T09:10:22Z",
          "ms": 1166173821540.0276
        },
        "end": {
          "local": "2006-12-16T14:20:03+03:00",
          "utc": "2006-12-16T11:20:03Z",
          "ms": 1166268003248.2
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-12-15",
          "window": {
            "start": {
              "local": "2006-12-15T08:53:25+03:00",
              "utc": "2006-12-15T05:53:25Z",
              "ms": 1166162004526.761
            },
            "end": {
              "local": "2006-12-15T08:53:25+03:00",
              "utc": "2006-12-15T05:53:25Z",
              "ms": 1166162004526.761
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2006-12-16",
          "window": {
            "start": {
              "local": "2006-12-16T08:54:19+03:00",
              "utc": "2006-12-16T05:54:19Z",
              "ms": 1166248459150.4475
            },
            "end": {
              "local": "2006-12-16T08:54:19+03:00",
              "utc": "2006-12-16T05:54:19Z",
              "ms": 1166248459150.4475
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 12:10 on Fri 15 Dec to 14:20 on Sat 16 Dec.",
          "fact": "2006-12-15T09:10:22Z → 2006-12-16T11:20:03Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 08:53 on the 15th and 08:54 on the 16th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 15th and is on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 11817 s"
        },
        {
          "step": "ruling",
          "text": "Saphalā Ekādaśī, Moscow, 2006: Saturday 16 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": "2006-12-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-12-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Saphalā Ekādaśī 2006 falls on Saturday 16 December. Ekādaśī runs from 12:10 on Fri 15 Dec to 14:20 on Sat 16 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-12-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/pradosha-vrata?on=2006-12-17",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-12-17",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin",
        "tie-break-unstated"
      ],
      "boundary_margin_s": 23,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2006-12-17T15:56:11+03:00",
          "utc": "2006-12-17T12:56:11Z",
          "ms": 1166360170693.454
        },
        "end": {
          "local": "2006-12-18T16:54:23+03:00",
          "utc": "2006-12-18T13:54:23Z",
          "ms": 1166450062916.9453
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-12-17T15:56:11+03:00",
          "utc": "2006-12-17T12:56:11Z",
          "ms": 1166360170693.454
        },
        "end": {
          "local": "2006-12-18T16:54:23+03:00",
          "utc": "2006-12-18T13:54:23Z",
          "ms": 1166450062916.9453
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2006-12-17",
          "window": {
            "start": {
              "local": "2006-12-17T15:55:48+03:00",
              "utc": "2006-12-17T12:55:48Z",
              "ms": 1166360147600.7803
            },
            "end": {
              "local": "2006-12-17T18:11:49+03:00",
              "utc": "2006-12-17T15:11:49Z",
              "ms": 1166368308855.853
            }
          },
          "covered_min": 136,
          "window_min": 136,
          "qualifies": true
        },
        {
          "local_date": "2006-12-18",
          "window": {
            "start": {
              "local": "2006-12-18T15:56:01+03:00",
              "utc": "2006-12-18T12:56:01Z",
              "ms": 1166446560806.9482
            },
            "end": {
              "local": "2006-12-18T18:12:06+03:00",
              "utc": "2006-12-18T15:12:06Z",
              "ms": 1166454726048.371
            }
          },
          "covered_min": 58,
          "window_min": 136,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 15:56 on Sun 17 Dec to 16:54 on Mon 18 Dec.",
          "fact": "2006-12-17T12:56:11Z → 2006-12-18T13:54:23Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 15:56–18:12 on the 17th, 15:56–18:12 on the 18th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 136 of 136 minutes on the 17th and 58 of 136 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 23 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Moscow, 2006: Sunday 17 December.",
          "fact": "confidence: boundary (margin, tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2006-12-17",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-12-17",
          "confidence": "boundary"
        }
      ],
      "quote": "In Moscow, Kṛṣṇa Pradoṣa Vrata 2006 falls on Sunday 17 December. Trayodaśī runs from 15:56 on Sun 17 Dec to 16:54 on Mon 18 Dec and covers all of pradoṣa that evening. It also reaches the next evening for 58 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 0 min 23 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/moscow/festivals/2006/pradosha-vrata?on=2006-12-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/shivaratri?on=2006-12-18",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-12-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24482,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2006-12-18T16:54:23+03:00",
          "utc": "2006-12-18T13:54:23Z",
          "ms": 1166450062916.9453
        },
        "end": {
          "local": "2006-12-19T17:14:47+03:00",
          "utc": "2006-12-19T14:14:47Z",
          "ms": 1166537687022.9722
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-12-18T16:54:23+03:00",
          "utc": "2006-12-18T13:54:23Z",
          "ms": 1166450062916.9453
        },
        "end": {
          "local": "2006-12-19T17:14:47+03:00",
          "utc": "2006-12-19T14:14:47Z",
          "ms": 1166537687022.9722
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2006-12-18",
          "window": {
            "start": {
              "local": "2006-12-19T00:02:20+03:00",
              "utc": "2006-12-18T21:02:20Z",
              "ms": 1166475740462.2837
            },
            "end": {
              "local": "2006-12-19T00:50:20+03:00",
              "utc": "2006-12-18T21:50:20Z",
              "ms": 1166478620462.2837
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2006-12-19",
          "window": {
            "start": {
              "local": "2006-12-20T00:02:49+03:00",
              "utc": "2006-12-19T21:02:49Z",
              "ms": 1166562168757.6714
            },
            "end": {
              "local": "2006-12-20T00:50:49+03:00",
              "utc": "2006-12-19T21:50:49Z",
              "ms": 1166565048757.6714
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 16:54 on Mon 18 Dec to 17:15 on Tue 19 Dec.",
          "fact": "2006-12-18T13:54:23Z → 2006-12-19T14:14:47Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:02–00:50 on the 18th, 00:03–00:51 on the 19th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 24482 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Moscow, 2006: Monday 18 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": "2006-12-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-12-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Śivarātri 2006 falls on Monday 18 December. Caturdaśī runs from 16:54 on Mon 18 Dec to 17:15 on Tue 19 Dec and covers all of niśītha that night.",
      "cite": "https://ahargana.org/moscow/festivals/2006/shivaratri?on=2006-12-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/vinayaka-chaturthi?on=2006-12-24",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-12-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 478,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2006-12-23T13:48:22+03:00",
          "utc": "2006-12-23T10:48:22Z",
          "ms": 1166870901812.9727
        },
        "end": {
          "local": "2006-12-24T12:12:59+03:00",
          "utc": "2006-12-24T09:12:59Z",
          "ms": 1166951579440.0576
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-12-23T13:48:22+03:00",
          "utc": "2006-12-23T10:48:22Z",
          "ms": 1166870901812.9727
        },
        "end": {
          "local": "2006-12-24T12:12:59+03:00",
          "utc": "2006-12-24T09:12:59Z",
          "ms": 1166951579440.0576
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2006-12-23",
          "window": {
            "start": {
              "local": "2006-12-23T12:04:31+03:00",
              "utc": "2006-12-23T09:04:31Z",
              "ms": 1166864671230.5103
            },
            "end": {
              "local": "2006-12-23T12:52:31+03:00",
              "utc": "2006-12-23T09:52:31Z",
              "ms": 1166867551230.5103
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2006-12-24",
          "window": {
            "start": {
              "local": "2006-12-24T12:05:02+03:00",
              "utc": "2006-12-24T09:05:02Z",
              "ms": 1166951101774.501
            },
            "end": {
              "local": "2006-12-24T12:53:02+03:00",
              "utc": "2006-12-24T09:53:02Z",
              "ms": 1166953981774.501
            }
          },
          "covered_min": 8,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 13:48 on Sat 23 Dec to 12:13 on Sun 24 Dec.",
          "fact": "2006-12-23T10:48:22Z → 2006-12-24T09:12:59Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 23rd, 12:05–12:53 on the 24th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 8 of 48 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 478 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Moscow, 2006: Sunday 24 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": "2006-12-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-12-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Vināyaka Caturthī 2006 falls on Sunday 24 December. Caturthī runs from 13:48 on Sat 23 Dec to 12:13 on Sun 24 Dec and covers 8 of 48 minutes of madhyāhna that midday.",
      "cite": "https://ahargana.org/moscow/festivals/2006/vinayaka-chaturthi?on=2006-12-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/moscow/festivals/2006/ekadashi?on=2006-12-30",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "524901",
      "year": 2006,
      "local_date": "2006-12-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29452,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2006-12-30T00:49:12+03:00",
          "utc": "2006-12-29T21:49:12Z",
          "ms": 1167428951708.579
        },
        "end": {
          "local": "2006-12-30T22:51:00+03:00",
          "utc": "2006-12-30T19:51:00Z",
          "ms": 1167508260438.1882
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2006-12-30T00:49:12+03:00",
          "utc": "2006-12-29T21:49:12Z",
          "ms": 1167428951708.579
        },
        "end": {
          "local": "2006-12-30T22:51:00+03:00",
          "utc": "2006-12-30T19:51:00Z",
          "ms": 1167508260438.1882
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2006-12-30",
          "window": {
            "start": {
              "local": "2006-12-30T09:00:04+03:00",
              "utc": "2006-12-30T06:00:04Z",
              "ms": 1167458403750.323
            },
            "end": {
              "local": "2006-12-30T09:00:04+03:00",
              "utc": "2006-12-30T06:00:04Z",
              "ms": 1167458403750.323
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2006-12-31",
          "window": {
            "start": {
              "local": "2006-12-31T08:59:57+03:00",
              "utc": "2006-12-31T05:59:57Z",
              "ms": 1167544797169.0078
            },
            "end": {
              "local": "2006-12-31T08:59:57+03:00",
              "utc": "2006-12-31T05:59:57Z",
              "ms": 1167544797169.0078
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 00:49 on Sat 30 Dec to 22:51 on Sat 30 Dec.",
          "fact": "2006-12-29T21:49:12Z → 2006-12-30T19:51:00Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 09:00 on the 30th and 09:00 on the 31st.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 30th and is not on the 31st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 29452 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Moscow, 2006: Saturday 30 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": "2006-12-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2006-12-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Moscow, Putradā Ekādaśī 2006 falls on Saturday 30 December. Ekādaśī runs from 00:49 on Sat 30 Dec to 22:51 on Sat 30 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/moscow/festivals/2006/ekadashi?on=2006-12-30",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    }
  ],
  "engine": {
    "version": "0.1.0",
    "ruleset": "2026.3-draft",
    "kernel": "de440-1900-2100",
    "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
    "tzdata": "2026f"
  }
}
