{
  "id": "/recife/festivals/2018",
  "place": {
    "id": "3390760",
    "slug": "recife",
    "name": "Recife",
    "region": "Pernambuco, Brazil",
    "country": "BR",
    "lat": -8.05389,
    "lon": -34.88111,
    "elevation_m": 8,
    "tz": "America/Recife"
  },
  "year": 2018,
  "tradition": "smarta",
  "method": "pac-rp@2026.1",
  "ruleset": "2026.3-draft",
  "rulings": [
    {
      "id": "/recife/festivals/2018/sankashta-chaturthi?on=2018-01-04",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-01-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26325,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-01-04T13:01:58-03:00",
          "utc": "2018-01-04T16:01:58Z",
          "ms": 1515081718261.4683
        },
        "end": {
          "local": "2018-01-05T10:30:17-03:00",
          "utc": "2018-01-05T13:30:17Z",
          "ms": 1515159016720.1775
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-01-04T13:01:58-03:00",
          "utc": "2018-01-04T16:01:58Z",
          "ms": 1515081718261.4683
        },
        "end": {
          "local": "2018-01-05T10:30:17-03:00",
          "utc": "2018-01-05T13:30:17Z",
          "ms": 1515159016720.1775
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2018-01-04",
          "window": {
            "start": {
              "local": "2018-01-04T20:20:43-03:00",
              "utc": "2018-01-04T23:20:43Z",
              "ms": 1515108043052.3696
            },
            "end": {
              "local": "2018-01-04T20:20:43-03:00",
              "utc": "2018-01-04T23:20:43Z",
              "ms": 1515108043052.3696
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2018-01-05",
          "window": {
            "start": {
              "local": "2018-01-05T21:12:26-03:00",
              "utc": "2018-01-06T00:12:26Z",
              "ms": 1515197545748.991
            },
            "end": {
              "local": "2018-01-05T21:12:26-03:00",
              "utc": "2018-01-06T00:12:26Z",
              "ms": 1515197545748.991
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 13:02 on Thu 4 Jan to 10:30 on Fri 5 Jan.",
          "fact": "2018-01-04T16:01:58Z → 2018-01-05T13:30:17Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:21 on the 4th and 21:12 on the 5th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 4th and is not on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 26325 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Recife, 2018: Thursday 4 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-01-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-01-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Saṅkaṣṭa Caturthī 2018 falls on Thursday 4 January. Caturthī runs from 13:02 on Thu 4 Jan to 10:30 on Fri 5 Jan and is current at moonrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/sankashta-chaturthi?on=2018-01-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/ekadashi?on=2018-01-12",
      "festival": "ekadashi",
      "name": "Ṣaṭtilā Ekādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-01-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19793,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2018-01-11T10:40:53-03:00",
          "utc": "2018-01-11T13:40:53Z",
          "ms": 1515678053014.1506
        },
        "end": {
          "local": "2018-01-12T12:52:49-03:00",
          "utc": "2018-01-12T15:52:49Z",
          "ms": 1515772369369.072
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-01-11T10:40:53-03:00",
          "utc": "2018-01-11T13:40:53Z",
          "ms": 1515678053014.1506
        },
        "end": {
          "local": "2018-01-12T12:52:49-03:00",
          "utc": "2018-01-12T15:52:49Z",
          "ms": 1515772369369.072
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-01-11",
          "window": {
            "start": {
              "local": "2018-01-11T05:11:00-03:00",
              "utc": "2018-01-11T08:11:00Z",
              "ms": 1515658259706.642
            },
            "end": {
              "local": "2018-01-11T05:11:00-03:00",
              "utc": "2018-01-11T08:11:00Z",
              "ms": 1515658259706.642
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2018-01-12",
          "window": {
            "start": {
              "local": "2018-01-12T05:11:30-03:00",
              "utc": "2018-01-12T08:11:30Z",
              "ms": 1515744689679.62
            },
            "end": {
              "local": "2018-01-12T05:11:30-03:00",
              "utc": "2018-01-12T08:11:30Z",
              "ms": 1515744689679.62
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 10:41 on Thu 11 Jan to 12:53 on Fri 12 Jan.",
          "fact": "2018-01-11T13:40:53Z → 2018-01-12T15:52:49Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:11 on the 11th and 05:11 on the 12th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 11th and is on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 19793 s"
        },
        {
          "step": "ruling",
          "text": "Ṣaṭtilā Ekādaśī, Recife, 2018: Friday 12 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": "2018-01-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-01-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Ṣaṭtilā Ekādaśī 2018 falls on Friday 12 January. Ekādaśī runs from 10:41 on Thu 11 Jan to 12:53 on Fri 12 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/ekadashi?on=2018-01-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/bhogi",
      "festival": "bhogi",
      "name": "Bhogi",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-01-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 41528,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2018-01-14T05:16:34-03:00",
          "utc": "2018-01-14T08:16:34Z",
          "ms": 1515917793571.2043
        },
        "end": {
          "local": "2018-02-12T18:18:13-03:00",
          "utc": "2018-02-12T21:18:13Z",
          "ms": 1518470293350.1775
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2018-01-14T05:16:34-03:00",
          "utc": "2018-01-14T08:16:34Z",
          "ms": 1515917793571.2043
        },
        "end": {
          "local": "2018-01-14T05:16:34-03:00",
          "utc": "2018-01-14T08:16:34Z",
          "ms": 1515917793571.2043
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2018-01-13",
          "window": {
            "start": {
              "local": "2018-01-12T17:44:10-03:00",
              "utc": "2018-01-12T20:44:10Z",
              "ms": 1515789849947.051
            },
            "end": {
              "local": "2018-01-13T17:44:25-03:00",
              "utc": "2018-01-13T20:44:25Z",
              "ms": 1515876265491.1768
            }
          },
          "covered_min": 0,
          "window_min": 1440,
          "qualifies": false
        },
        {
          "local_date": "2018-01-14",
          "window": {
            "start": {
              "local": "2018-01-13T17:44:25-03:00",
              "utc": "2018-01-13T20:44:25Z",
              "ms": 1515876265491.1768
            },
            "end": {
              "local": "2018-01-14T17:44:40-03:00",
              "utc": "2018-01-14T20:44:40Z",
              "ms": 1515962680142.6006
            }
          },
          "covered_min": 1,
          "window_min": 1440,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "2018-01-14",
        "days": -1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 05:17 on Sun 14 Jan.",
          "fact": "2018-01-14T08:16:34Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 17:44, and the day of the 14th ends at 17:45.",
          "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 41528 s"
        },
        {
          "step": "counted",
          "text": "Bhogi is kept the day before Pongal: Sunday 14 January is the day taken above.",
          "fact": "follows: pongal − 1 d"
        },
        {
          "step": "ruling",
          "text": "Bhogi, Recife, 2018: Saturday 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": "2018-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2018-01-13",
          "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": "2018-01-13",
          "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 Recife, Bhogi 2018 falls on Saturday 13 January. It is kept the day before Pongal, which falls on Sunday 14 January. The Sun enters Makara at 05:17 on Sun 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/recife/festivals/2018/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": "/recife/festivals/2018/pradosha-vrata?on=2018-01-13",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-01-13",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 986,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-01-13T15:22:23-03:00",
          "utc": "2018-01-13T18:22:23Z",
          "ms": 1515867742723.9802
        },
        "end": {
          "local": "2018-01-14T18:01:06-03:00",
          "utc": "2018-01-14T21:01:06Z",
          "ms": 1515963665865.0425
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-01-13T15:22:23-03:00",
          "utc": "2018-01-13T18:22:23Z",
          "ms": 1515867742723.9802
        },
        "end": {
          "local": "2018-01-14T18:01:06-03:00",
          "utc": "2018-01-14T21:01:06Z",
          "ms": 1515963665865.0425
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-01-13",
          "window": {
            "start": {
              "local": "2018-01-13T17:44:25-03:00",
              "utc": "2018-01-13T20:44:25Z",
              "ms": 1515876265491.1768
            },
            "end": {
              "local": "2018-01-13T19:16:10-03:00",
              "utc": "2018-01-13T22:16:10Z",
              "ms": 1515881769907.0217
            }
          },
          "covered_min": 92,
          "window_min": 92,
          "qualifies": true
        },
        {
          "local_date": "2018-01-14",
          "window": {
            "start": {
              "local": "2018-01-14T17:44:40-03:00",
              "utc": "2018-01-14T20:44:40Z",
              "ms": 1515962680142.6006
            },
            "end": {
              "local": "2018-01-14T19:16:26-03:00",
              "utc": "2018-01-14T22:16:26Z",
              "ms": 1515968186458.28
            }
          },
          "covered_min": 16,
          "window_min": 92,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 15:22 on Sat 13 Jan to 18:01 on Sun 14 Jan.",
          "fact": "2018-01-13T18:22:23Z → 2018-01-14T21:01:06Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:44–19:16 on the 13th, 17:45–19:16 on the 14th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 92 of 92 minutes on the 13th and 16 of 92 on the 14th.",
          "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 986 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Recife, 2018: Saturday 13 January.",
          "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": "2018-01-13",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-01-13",
          "confidence": "boundary"
        }
      ],
      "quote": "In Recife, Kṛṣṇa Pradoṣa Vrata 2018 falls on Saturday 13 January. Trayodaśī runs from 15:22 on Sat 13 Jan to 18:01 on Sun 14 Jan and covers all of pradoṣa that evening. It also reaches the next evening for 16 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/recife/festivals/2018/pradosha-vrata?on=2018-01-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/pongal",
      "festival": "pongal",
      "name": "Pongal",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 41528,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2018-01-14T05:16:34-03:00",
          "utc": "2018-01-14T08:16:34Z",
          "ms": 1515917793571.2043
        },
        "end": {
          "local": "2018-02-12T18:18:13-03:00",
          "utc": "2018-02-12T21:18:13Z",
          "ms": 1518470293350.1775
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2018-01-14T05:16:34-03:00",
          "utc": "2018-01-14T08:16:34Z",
          "ms": 1515917793571.2043
        },
        "end": {
          "local": "2018-01-14T05:16:34-03:00",
          "utc": "2018-01-14T08:16:34Z",
          "ms": 1515917793571.2043
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2018-01-13",
          "window": {
            "start": {
              "local": "2018-01-12T17:44:10-03:00",
              "utc": "2018-01-12T20:44:10Z",
              "ms": 1515789849947.051
            },
            "end": {
              "local": "2018-01-13T17:44:25-03:00",
              "utc": "2018-01-13T20:44:25Z",
              "ms": 1515876265491.1768
            }
          },
          "covered_min": 0,
          "window_min": 1440,
          "qualifies": false
        },
        {
          "local_date": "2018-01-14",
          "window": {
            "start": {
              "local": "2018-01-13T17:44:25-03:00",
              "utc": "2018-01-13T20:44:25Z",
              "ms": 1515876265491.1768
            },
            "end": {
              "local": "2018-01-14T17:44:40-03:00",
              "utc": "2018-01-14T20:44:40Z",
              "ms": 1515962680142.6006
            }
          },
          "covered_min": 1,
          "window_min": 1440,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 05:17 on Sun 14 Jan.",
          "fact": "2018-01-14T08:16:34Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 17:44, and the day of the 14th ends at 17:45.",
          "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 41528 s"
        },
        {
          "step": "ruling",
          "text": "Pongal, Recife, 2018: Sunday 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": "2018-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2018-01-14",
          "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": "2018-01-14",
          "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 Recife, Pongal 2018 falls on Sunday 14 January. The Sun enters Makara at 05:17 on Sun 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/recife/festivals/2018/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": "/recife/festivals/2018/makara-sankranti",
      "festival": "makara-sankranti",
      "name": "Makara Saṅkrānti",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18994,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2018-01-14T05:16:34-03:00",
          "utc": "2018-01-14T08:16:34Z",
          "ms": 1515917793571.2043
        },
        "end": {
          "local": "2018-02-12T18:18:13-03:00",
          "utc": "2018-02-12T21:18:13Z",
          "ms": 1518470293350.1775
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2018-01-14T05:16:34-03:00",
          "utc": "2018-01-14T08:16:34Z",
          "ms": 1515917793571.2043
        },
        "end": {
          "local": "2018-01-14T05:16:34-03:00",
          "utc": "2018-01-14T08:16:34Z",
          "ms": 1515917793571.2043
        }
      },
      "kaala": "civil-day",
      "days": [
        {
          "local_date": "2018-01-13",
          "window": {
            "start": {
              "local": "2018-01-13T00:00:00-03:00",
              "utc": "2018-01-13T03:00:00Z",
              "ms": 1515812400000
            },
            "end": {
              "local": "2018-01-14T00:00:00-03:00",
              "utc": "2018-01-14T03:00:00Z",
              "ms": 1515898800000
            }
          },
          "covered_min": 0,
          "window_min": 1440,
          "qualifies": false
        },
        {
          "local_date": "2018-01-14",
          "window": {
            "start": {
              "local": "2018-01-14T00:00:00-03:00",
              "utc": "2018-01-14T03:00:00Z",
              "ms": 1515898800000
            },
            "end": {
              "local": "2018-01-15T00:00:00-03:00",
              "utc": "2018-01-15T03:00:00Z",
              "ms": 1515985200000
            }
          },
          "covered_min": 1,
          "window_min": 1440,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 05:17 on Sun 14 Jan.",
          "fact": "2018-01-14T08:16:34Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from midnight to midnight, on the clock of Recife.",
          "fact": "civil-day: midnight-to-midnight · America/Recife"
        },
        {
          "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 18994 s"
        },
        {
          "step": "ruling",
          "text": "Makara Saṅkrānti, Recife, 2018: Sunday 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": "2018-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "sunrise-day",
          "local_date": "2018-01-14",
          "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": "2018-01-14",
          "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 Recife, Makara Saṅkrānti 2018 falls on Sunday 14 January. The Sun enters Makara at 05:17 on Sun 14 Jan, and the rule counts the day from midnight.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/shivaratri?on=2018-01-14",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8619,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2018-01-14T18:01:06-03:00",
          "utc": "2018-01-14T21:01:06Z",
          "ms": 1515963665865.0425
        },
        "end": {
          "local": "2018-01-15T20:41:31-03:00",
          "utc": "2018-01-15T23:41:31Z",
          "ms": 1516059691175.3782
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-01-14T18:01:06-03:00",
          "utc": "2018-01-14T21:01:06Z",
          "ms": 1515963665865.0425
        },
        "end": {
          "local": "2018-01-15T20:41:31-03:00",
          "utc": "2018-01-15T23:41:31Z",
          "ms": 1516059691175.3782
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2018-01-14",
          "window": {
            "start": {
              "local": "2018-01-14T23:04:49-03:00",
              "utc": "2018-01-15T02:04:49Z",
              "ms": 1515981888826.3984
            },
            "end": {
              "local": "2018-01-14T23:52:49-03:00",
              "utc": "2018-01-15T02:52:49Z",
              "ms": 1515984768826.3984
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-01-15",
          "window": {
            "start": {
              "local": "2018-01-15T23:05:10-03:00",
              "utc": "2018-01-16T02:05:10Z",
              "ms": 1516068309940.543
            },
            "end": {
              "local": "2018-01-15T23:53:10-03:00",
              "utc": "2018-01-16T02:53:10Z",
              "ms": 1516071189940.543
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 18:01 on Sun 14 Jan to 20:42 on Mon 15 Jan.",
          "fact": "2018-01-14T21:01:06Z → 2018-01-15T23:41:31Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:05–23:53 on the 14th, 23:05–23:53 on the 15th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 8619 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Recife, 2018: Sunday 14 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": "2018-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-01-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śivarātri 2018 falls on Sunday 14 January. Caturdaśī runs from 18:01 on Sun 14 Jan to 20:42 on Mon 15 Jan and covers all of niśītha that night.",
      "cite": "https://ahargana.org/recife/festivals/2018/shivaratri?on=2018-01-14",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/mattu-pongal",
      "festival": "mattu-pongal",
      "name": "Mattu Pongal",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-01-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 41528,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2018-01-14T05:16:34-03:00",
          "utc": "2018-01-14T08:16:34Z",
          "ms": 1515917793571.2043
        },
        "end": {
          "local": "2018-02-12T18:18:13-03:00",
          "utc": "2018-02-12T21:18:13Z",
          "ms": 1518470293350.1775
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2018-01-14T05:16:34-03:00",
          "utc": "2018-01-14T08:16:34Z",
          "ms": 1515917793571.2043
        },
        "end": {
          "local": "2018-01-14T05:16:34-03:00",
          "utc": "2018-01-14T08:16:34Z",
          "ms": 1515917793571.2043
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2018-01-13",
          "window": {
            "start": {
              "local": "2018-01-12T17:44:10-03:00",
              "utc": "2018-01-12T20:44:10Z",
              "ms": 1515789849947.051
            },
            "end": {
              "local": "2018-01-13T17:44:25-03:00",
              "utc": "2018-01-13T20:44:25Z",
              "ms": 1515876265491.1768
            }
          },
          "covered_min": 0,
          "window_min": 1440,
          "qualifies": false
        },
        {
          "local_date": "2018-01-14",
          "window": {
            "start": {
              "local": "2018-01-13T17:44:25-03:00",
              "utc": "2018-01-13T20:44:25Z",
              "ms": 1515876265491.1768
            },
            "end": {
              "local": "2018-01-14T17:44:40-03:00",
              "utc": "2018-01-14T20:44:40Z",
              "ms": 1515962680142.6006
            }
          },
          "covered_min": 1,
          "window_min": 1440,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "2018-01-14",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 05:17 on Sun 14 Jan.",
          "fact": "2018-01-14T08:16:34Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from the sunset before it to its own sunset: the day of the 13th ends at 17:44, and the day of the 14th ends at 17:45.",
          "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 41528 s"
        },
        {
          "step": "counted",
          "text": "Mattu Pongal is kept the day after Pongal: Sunday 14 January is the day taken above.",
          "fact": "follows: pongal + 1 d"
        },
        {
          "step": "ruling",
          "text": "Mattu Pongal, Recife, 2018: Monday 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": "2018-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2018-01-15",
          "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": "2018-01-15",
          "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 Recife, Mattu Pongal 2018 falls on Monday 15 January. It is kept the day after Pongal, which falls on Sunday 14 January. The Sun enters Makara at 05:17 on Sun 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/recife/festivals/2018/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": "/recife/festivals/2018/yama-tarpana",
      "festival": "yama-tarpana",
      "name": "Yama Tarpaṇa",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-01-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25207,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2018-01-14T18:01:06-03:00",
          "utc": "2018-01-14T21:01:06Z",
          "ms": 1515963665865.0425
        },
        "end": {
          "local": "2018-01-15T20:41:31-03:00",
          "utc": "2018-01-15T23:41:31Z",
          "ms": 1516059691175.3782
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-01-14T18:01:06-03:00",
          "utc": "2018-01-14T21:01:06Z",
          "ms": 1515963665865.0425
        },
        "end": {
          "local": "2018-01-15T20:41:31-03:00",
          "utc": "2018-01-15T23:41:31Z",
          "ms": 1516059691175.3782
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2018-01-15",
          "window": {
            "start": {
              "local": "2018-01-15T03:41:11-03:00",
              "utc": "2018-01-15T06:41:11Z",
              "ms": 1515998471194.5166
            },
            "end": {
              "local": "2018-01-15T05:12:58-03:00",
              "utc": "2018-01-15T08:12:58Z",
              "ms": 1516003977510.196
            }
          },
          "covered_min": 92,
          "window_min": 92,
          "qualifies": true
        },
        {
          "local_date": "2018-01-16",
          "window": {
            "start": {
              "local": "2018-01-16T03:41:38-03:00",
              "utc": "2018-01-16T06:41:38Z",
              "ms": 1516084897715.0498
            },
            "end": {
              "local": "2018-01-16T05:13:26-03:00",
              "utc": "2018-01-16T08:13:26Z",
              "ms": 1516090405996.6887
            }
          },
          "covered_min": 0,
          "window_min": 92,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 18:01 on Sun 14 Jan to 20:42 on Mon 15 Jan.",
          "fact": "2018-01-14T21:01:06Z → 2018-01-15T23:41:31Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 03:41–05:13 on the 15th, 03:42–05:13 on the 16th.",
          "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during aruṇodaya. It covers 92 of 92 minutes on the 15th and 0 of 92 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one dawn qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 25207 s"
        },
        {
          "step": "ruling",
          "text": "Yama Tarpaṇa, Recife, 2018: Monday 15 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": "2018-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-01-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Yama Tarpaṇa 2018 falls on Monday 15 January. Caturdaśī runs from 18:01 on Sun 14 Jan to 20:42 on Mon 15 Jan and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/ganesha-jayanti",
      "festival": "ganesha-jayanti",
      "name": "Gaṇeśa Jayantī",
      "everyday": "Maghi Ganesh Jayanti",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-01-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14589,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-01-20T05:41:08-03:00",
          "utc": "2018-01-20T08:41:08Z",
          "ms": 1516437667623.3171
        },
        "end": {
          "local": "2018-01-21T07:03:40-03:00",
          "utc": "2018-01-21T10:03:40Z",
          "ms": 1516529020280.0808
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-01-20T05:41:08-03:00",
          "utc": "2018-01-20T08:41:08Z",
          "ms": 1516437667623.3171
        },
        "end": {
          "local": "2018-01-21T07:03:40-03:00",
          "utc": "2018-01-21T10:03:40Z",
          "ms": 1516529020280.0808
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-01-20",
          "window": {
            "start": {
              "local": "2018-01-20T11:06:32-03:00",
              "utc": "2018-01-20T14:06:32Z",
              "ms": 1516457191857.332
            },
            "end": {
              "local": "2018-01-20T11:54:32-03:00",
              "utc": "2018-01-20T14:54:32Z",
              "ms": 1516460071857.332
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-01-21",
          "window": {
            "start": {
              "local": "2018-01-21T11:06:49-03:00",
              "utc": "2018-01-21T14:06:49Z",
              "ms": 1516543608870.4539
            },
            "end": {
              "local": "2018-01-21T11:54:49-03:00",
              "utc": "2018-01-21T14:54:49Z",
              "ms": 1516546488870.4539
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 05:41 on Sat 20 Jan to 07:04 on Sun 21 Jan.",
          "fact": "2018-01-20T08:41:08Z → 2018-01-21T10:03:40Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:07–11:55 on the 20th, 11:07–11:55 on the 21st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 14589 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Jayantī, Recife, 2018: Saturday 20 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ganesha-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-01-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-01-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2018 falls on Saturday 20 January. Caturthī runs from 05:41 on Sat 20 Jan to 07:04 on Sun 21 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/tila-chaturthi",
      "festival": "tila-chaturthi",
      "name": "Tila Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-01-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37411,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-01-20T05:41:08-03:00",
          "utc": "2018-01-20T08:41:08Z",
          "ms": 1516437667623.3171
        },
        "end": {
          "local": "2018-01-21T07:03:40-03:00",
          "utc": "2018-01-21T10:03:40Z",
          "ms": 1516529020280.0808
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-01-20T05:41:08-03:00",
          "utc": "2018-01-20T08:41:08Z",
          "ms": 1516437667623.3171
        },
        "end": {
          "local": "2018-01-21T07:03:40-03:00",
          "utc": "2018-01-21T10:03:40Z",
          "ms": 1516529020280.0808
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-01-19",
          "window": {
            "start": {
              "local": "2018-01-19T17:45:39-03:00",
              "utc": "2018-01-19T20:45:39Z",
              "ms": 1516394739452.5527
            },
            "end": {
              "local": "2018-01-19T19:17:36-03:00",
              "utc": "2018-01-19T22:17:36Z",
              "ms": 1516400256230.262
            }
          },
          "covered_min": 0,
          "window_min": 92,
          "qualifies": false
        },
        {
          "local_date": "2018-01-20",
          "window": {
            "start": {
              "local": "2018-01-20T17:45:48-03:00",
              "utc": "2018-01-20T20:45:48Z",
              "ms": 1516481148429.2927
            },
            "end": {
              "local": "2018-01-20T19:17:47-03:00",
              "utc": "2018-01-20T22:17:47Z",
              "ms": 1516486667481.7312
            }
          },
          "covered_min": 92,
          "window_min": 92,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 05:41 on Sat 20 Jan to 07:04 on Sun 21 Jan.",
          "fact": "2018-01-20T08:41:08Z → 2018-01-21T10:03:40Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:46–19:18 on the 19th, 17:46–19:18 on the 20th.",
          "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 92 minutes on the 19th and 92 of 92 on the 20th.",
          "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 37411 s"
        },
        {
          "step": "ruling",
          "text": "Tila Caturthī, Recife, 2018: Saturday 20 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "tila-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-01-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-01-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Tila Caturthī 2018 falls on Saturday 20 January. Caturthī runs from 05:41 on Sat 20 Jan to 07:04 on Sun 21 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/shri-panchami",
      "festival": "shri-panchami",
      "name": "Śrī Pañcamī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-01-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11534,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2018-01-21T07:03:40-03:00",
          "utc": "2018-01-21T10:03:40Z",
          "ms": 1516529020280.0808
        },
        "end": {
          "local": "2018-01-22T07:54:51-03:00",
          "utc": "2018-01-22T10:54:51Z",
          "ms": 1516618490802.974
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-01-21T07:03:40-03:00",
          "utc": "2018-01-21T10:03:40Z",
          "ms": 1516529020280.0808
        },
        "end": {
          "local": "2018-01-22T07:54:51-03:00",
          "utc": "2018-01-22T10:54:51Z",
          "ms": 1516618490802.974
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-01-21",
          "window": {
            "start": {
              "local": "2018-01-21T11:06:49-03:00",
              "utc": "2018-01-21T14:06:49Z",
              "ms": 1516543608870.4539
            },
            "end": {
              "local": "2018-01-21T11:54:49-03:00",
              "utc": "2018-01-21T14:54:49Z",
              "ms": 1516546488870.4539
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-01-22",
          "window": {
            "start": {
              "local": "2018-01-22T11:07:05-03:00",
              "utc": "2018-01-22T14:07:05Z",
              "ms": 1516630025106.7666
            },
            "end": {
              "local": "2018-01-22T11:55:05-03:00",
              "utc": "2018-01-22T14:55:05Z",
              "ms": 1516632905106.7666
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 07:04 on Sun 21 Jan to 07:55 on Mon 22 Jan.",
          "fact": "2018-01-21T10:03:40Z → 2018-01-22T10:54:51Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:07–11:55 on the 21st, 11:07–11:55 on the 22nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 11534 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Pañcamī, Recife, 2018: Sunday 21 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shri-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-01-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-01-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śrī Pañcamī 2018 falls on Sunday 21 January. Pañcamī runs from 07:04 on Sun 21 Jan to 07:55 on Mon 22 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/vasanta-panchami",
      "festival": "vasanta-panchami",
      "name": "Vasanta Pañcamī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-01-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11534,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2018-01-21T07:03:40-03:00",
          "utc": "2018-01-21T10:03:40Z",
          "ms": 1516529020280.0808
        },
        "end": {
          "local": "2018-01-22T07:54:51-03:00",
          "utc": "2018-01-22T10:54:51Z",
          "ms": 1516618490802.974
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-01-21T07:03:40-03:00",
          "utc": "2018-01-21T10:03:40Z",
          "ms": 1516529020280.0808
        },
        "end": {
          "local": "2018-01-22T07:54:51-03:00",
          "utc": "2018-01-22T10:54:51Z",
          "ms": 1516618490802.974
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-01-21",
          "window": {
            "start": {
              "local": "2018-01-21T11:06:49-03:00",
              "utc": "2018-01-21T14:06:49Z",
              "ms": 1516543608870.4539
            },
            "end": {
              "local": "2018-01-21T11:54:49-03:00",
              "utc": "2018-01-21T14:54:49Z",
              "ms": 1516546488870.4539
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-01-22",
          "window": {
            "start": {
              "local": "2018-01-22T11:07:05-03:00",
              "utc": "2018-01-22T14:07:05Z",
              "ms": 1516630025106.7666
            },
            "end": {
              "local": "2018-01-22T11:55:05-03:00",
              "utc": "2018-01-22T14:55:05Z",
              "ms": 1516632905106.7666
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 07:04 on Sun 21 Jan to 07:55 on Mon 22 Jan.",
          "fact": "2018-01-21T10:03:40Z → 2018-01-22T10:54:51Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:07–11:55 on the 21st, 11:07–11:55 on the 22nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 11534 s"
        },
        {
          "step": "ruling",
          "text": "Vasanta Pañcamī, Recife, 2018: Sunday 21 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vasanta-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-01-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-01-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Vasanta Pañcamī 2018 falls on Sunday 21 January. Pañcamī runs from 07:04 on Sun 21 Jan to 07:55 on Mon 22 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/ratha-saptami",
      "festival": "ratha-saptami",
      "name": "Ratha Saptamī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-01-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9002,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2018-01-23T08:10:17-03:00",
          "utc": "2018-01-23T11:10:17Z",
          "ms": 1516705816734.995
        },
        "end": {
          "local": "2018-01-24T07:46:58-03:00",
          "utc": "2018-01-24T10:46:58Z",
          "ms": 1516790818221.2603
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-01-23T08:10:17-03:00",
          "utc": "2018-01-23T11:10:17Z",
          "ms": 1516705816734.995
        },
        "end": {
          "local": "2018-01-24T07:46:58-03:00",
          "utc": "2018-01-24T10:46:58Z",
          "ms": 1516790818221.2603
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2018-01-23",
          "window": {
            "start": {
              "local": "2018-01-23T03:44:28-03:00",
              "utc": "2018-01-23T06:44:28Z",
              "ms": 1516689867932.0896
            },
            "end": {
              "local": "2018-01-23T05:16:32-03:00",
              "utc": "2018-01-23T08:16:32Z",
              "ms": 1516695391704.4905
            }
          },
          "covered_min": 0,
          "window_min": 92,
          "qualifies": false
        },
        {
          "local_date": "2018-01-24",
          "window": {
            "start": {
              "local": "2018-01-24T03:44:50-03:00",
              "utc": "2018-01-24T06:44:50Z",
              "ms": 1516776289797.648
            },
            "end": {
              "local": "2018-01-24T05:16:56-03:00",
              "utc": "2018-01-24T08:16:56Z",
              "ms": 1516781816012.3196
            }
          },
          "covered_min": 92,
          "window_min": 92,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 08:10 on Tue 23 Jan to 07:47 on Wed 24 Jan.",
          "fact": "2018-01-23T11:10:17Z → 2018-01-24T10:46:58Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 03:44–05:17 on the 23rd, 03:45–05:17 on the 24th.",
          "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during aruṇodaya. It covers 0 of 92 minutes on the 23rd and 92 of 92 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one dawn qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 9002 s"
        },
        {
          "step": "ruling",
          "text": "Ratha Saptamī, Recife, 2018: Wednesday 24 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ratha-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]."
          }
        ],
        "kaala": "arunodaya",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-01-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-01-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Ratha Saptamī 2018 falls on Wednesday 24 January. Saptamī runs from 08:10 on Tue 23 Jan to 07:47 on Wed 24 Jan and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/ekadashi?on=2018-01-27",
      "festival": "ekadashi",
      "name": "Jayā Ekādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-01-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9188,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2018-01-27T02:44:57-03:00",
          "utc": "2018-01-27T05:44:57Z",
          "ms": 1517031897353.4683
        },
        "end": {
          "local": "2018-01-27T23:57:57-03:00",
          "utc": "2018-01-28T02:57:57Z",
          "ms": 1517108276852.1748
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-01-27T02:44:57-03:00",
          "utc": "2018-01-27T05:44:57Z",
          "ms": 1517031897353.4683
        },
        "end": {
          "local": "2018-01-27T23:57:57-03:00",
          "utc": "2018-01-28T02:57:57Z",
          "ms": 1517108276852.1748
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-01-27",
          "window": {
            "start": {
              "local": "2018-01-27T05:18:05-03:00",
              "utc": "2018-01-27T08:18:05Z",
              "ms": 1517041085220.9307
            },
            "end": {
              "local": "2018-01-27T05:18:05-03:00",
              "utc": "2018-01-27T08:18:05Z",
              "ms": 1517041085220.9307
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2018-01-28",
          "window": {
            "start": {
              "local": "2018-01-28T05:18:27-03:00",
              "utc": "2018-01-28T08:18:27Z",
              "ms": 1517127507013.7783
            },
            "end": {
              "local": "2018-01-28T05:18:27-03:00",
              "utc": "2018-01-28T08:18:27Z",
              "ms": 1517127507013.7783
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 02:45 on Sat 27 Jan to 23:58 on Sat 27 Jan.",
          "fact": "2018-01-27T05:44:57Z → 2018-01-28T02:57:57Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:18 on the 27th and 05:18 on the 28th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 27th and is not on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 9188 s"
        },
        {
          "step": "ruling",
          "text": "Jayā Ekādaśī, Recife, 2018: Saturday 27 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": "2018-01-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-01-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Jayā Ekādaśī 2018 falls on Saturday 27 January. Ekādaśī runs from 02:45 on Sat 27 Jan to 23:58 on Sat 27 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/ekadashi?on=2018-01-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/bhishma-dvadashi",
      "festival": "bhishma-dvadashi",
      "name": "Bhīṣma Dvādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-01-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31896,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2018-01-27T23:57:57-03:00",
          "utc": "2018-01-28T02:57:57Z",
          "ms": 1517108276852.1748
        },
        "end": {
          "local": "2018-01-28T20:48:01-03:00",
          "utc": "2018-01-28T23:48:01Z",
          "ms": 1517183281485.9104
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-01-27T23:57:57-03:00",
          "utc": "2018-01-28T02:57:57Z",
          "ms": 1517108276852.1748
        },
        "end": {
          "local": "2018-01-28T20:48:01-03:00",
          "utc": "2018-01-28T23:48:01Z",
          "ms": 1517183281485.9104
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-01-27",
          "window": {
            "start": {
              "local": "2018-01-27T11:08:14-03:00",
              "utc": "2018-01-27T14:08:14Z",
              "ms": 1517062094249.8396
            },
            "end": {
              "local": "2018-01-27T11:56:14-03:00",
              "utc": "2018-01-27T14:56:14Z",
              "ms": 1517064974249.8396
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-01-28",
          "window": {
            "start": {
              "local": "2018-01-28T11:08:26-03:00",
              "utc": "2018-01-28T14:08:26Z",
              "ms": 1517148505621.2998
            },
            "end": {
              "local": "2018-01-28T11:56:26-03:00",
              "utc": "2018-01-28T14:56:26Z",
              "ms": 1517151385621.2998
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 23:58 on Sat 27 Jan to 20:48 on Sun 28 Jan.",
          "fact": "2018-01-28T02:57:57Z → 2018-01-28T23:48:01Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 27th, 11:08–11:56 on the 28th.",
          "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 27th and 48 of 48 on the 28th.",
          "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 31896 s"
        },
        {
          "step": "ruling",
          "text": "Bhīṣma Dvādaśī, Recife, 2018: Sunday 28 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bhishma-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-01-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-01-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Bhīṣma Dvādaśī 2018 falls on Sunday 28 January. Dvādaśī runs from 23:58 on Sat 27 Jan to 20:48 on Sun 28 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/pradosha-vrata?on=2018-01-28",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-01-28",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 1380,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-01-28T20:48:01-03:00",
          "utc": "2018-01-28T23:48:01Z",
          "ms": 1517183281485.9104
        },
        "end": {
          "local": "2018-01-29T17:23:24-03:00",
          "utc": "2018-01-29T20:23:24Z",
          "ms": 1517257404271.044
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-01-28T20:48:01-03:00",
          "utc": "2018-01-28T23:48:01Z",
          "ms": 1517183281485.9104
        },
        "end": {
          "local": "2018-01-29T17:23:24-03:00",
          "utc": "2018-01-29T20:23:24Z",
          "ms": 1517257404271.044
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-01-28",
          "window": {
            "start": {
              "local": "2018-01-28T17:46:24-03:00",
              "utc": "2018-01-28T20:46:24Z",
              "ms": 1517172384228.821
            },
            "end": {
              "local": "2018-01-28T19:18:43-03:00",
              "utc": "2018-01-28T22:18:43Z",
              "ms": 1517177923418.9568
            }
          },
          "covered_min": 0,
          "window_min": 92,
          "qualifies": false
        },
        {
          "local_date": "2018-01-29",
          "window": {
            "start": {
              "local": "2018-01-29T17:46:24-03:00",
              "utc": "2018-01-29T20:46:24Z",
              "ms": 1517258784180.4453
            },
            "end": {
              "local": "2018-01-29T19:18:46-03:00",
              "utc": "2018-01-29T22:18:46Z",
              "ms": 1517264326108.3235
            }
          },
          "covered_min": 0,
          "window_min": 92,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 20:48 on Sun 28 Jan to 17:23 on Mon 29 Jan.",
          "fact": "2018-01-28T23:48:01Z → 2018-01-29T20:23:24Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:46–19:19 on the 28th, 17:46–19:19 on the 29th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 92 minutes on the 28th and 0 of 92 on the 29th.",
          "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 1380 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Recife, 2018: Sunday 28 January.",
          "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": "2018-01-28",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-01-28",
          "confidence": "boundary"
        }
      ],
      "quote": "In Recife, Śukla Pradoṣa Vrata 2018 falls on Sunday 28 January. Trayodaśī runs from 20:48 on Sun 28 Jan to 17:23 on Mon 29 Jan, and reaches pradoṣa on neither day.",
      "cite": "https://ahargana.org/recife/festivals/2018/pradosha-vrata?on=2018-01-28",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/maghi-purnima",
      "festival": "maghi-purnima",
      "name": "Māghī Pūrṇimā",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-01-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2531,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2018-01-30T13:53:08-03:00",
          "utc": "2018-01-30T16:53:08Z",
          "ms": 1517331187830.8684
        },
        "end": {
          "local": "2018-01-31T10:26:44-03:00",
          "utc": "2018-01-31T13:26:44Z",
          "ms": 1517405203735.9001
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-01-30T13:53:08-03:00",
          "utc": "2018-01-30T16:53:08Z",
          "ms": 1517331187830.8684
        },
        "end": {
          "local": "2018-01-31T10:26:44-03:00",
          "utc": "2018-01-31T13:26:44Z",
          "ms": 1517405203735.9001
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-01-30",
          "window": {
            "start": {
              "local": "2018-01-30T11:08:46-03:00",
              "utc": "2018-01-30T14:08:46Z",
              "ms": 1517321325890.5479
            },
            "end": {
              "local": "2018-01-30T11:56:46-03:00",
              "utc": "2018-01-30T14:56:46Z",
              "ms": 1517324205890.5479
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-01-31",
          "window": {
            "start": {
              "local": "2018-01-31T11:08:55-03:00",
              "utc": "2018-01-31T14:08:55Z",
              "ms": 1517407734793.601
            },
            "end": {
              "local": "2018-01-31T11:56:55-03:00",
              "utc": "2018-01-31T14:56:55Z",
              "ms": 1517410614793.601
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 13:53 on Tue 30 Jan to 10:27 on Wed 31 Jan.",
          "fact": "2018-01-30T16:53:08Z → 2018-01-31T13:26:44Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:09–11:57 on the 30th, 11:09–11:57 on the 31st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 0 of 48 on the 31st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: paraviddha → second-day · margin 2531 s"
        },
        {
          "step": "ruling",
          "text": "Māghī Pūrṇimā, Recife, 2018: Wednesday 31 January.",
          "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": "2018-01-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-01-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Māghī Pūrṇimā 2018 falls on Wednesday 31 January. Pūrṇimā runs from 13:53 on Tue 30 Jan to 10:27 on Wed 31 Jan, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/sankashta-chaturthi?on=2018-02-03",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-02-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13884,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-02-03T02:06:16-03:00",
          "utc": "2018-02-03T05:06:16Z",
          "ms": 1517634376094.376
        },
        "end": {
          "local": "2018-02-04T00:28:05-03:00",
          "utc": "2018-02-04T03:28:05Z",
          "ms": 1517714884979.523
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-02-03T02:06:16-03:00",
          "utc": "2018-02-03T05:06:16Z",
          "ms": 1517634376094.376
        },
        "end": {
          "local": "2018-02-04T00:28:05-03:00",
          "utc": "2018-02-04T03:28:05Z",
          "ms": 1517714884979.523
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2018-02-02",
          "window": {
            "start": {
              "local": "2018-02-02T19:48:40-03:00",
              "utc": "2018-02-02T22:48:40Z",
              "ms": 1517611719947.299
            },
            "end": {
              "local": "2018-02-02T19:48:40-03:00",
              "utc": "2018-02-02T22:48:40Z",
              "ms": 1517611719947.299
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2018-02-03",
          "window": {
            "start": {
              "local": "2018-02-03T20:36:41-03:00",
              "utc": "2018-02-03T23:36:41Z",
              "ms": 1517701000933.4214
            },
            "end": {
              "local": "2018-02-03T20:36:41-03:00",
              "utc": "2018-02-03T23:36:41Z",
              "ms": 1517701000933.4214
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 02:06 on Sat 3 Feb to 00:28 on Sun 4 Feb.",
          "fact": "2018-02-03T05:06:16Z → 2018-02-04T03:28:05Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:49 on the 2nd and 20:37 on the 3rd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 2nd and is on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 13884 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Recife, 2018: Saturday 3 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": "2018-02-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-02-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Saṅkaṣṭa Caturthī 2018 falls on Saturday 3 February. Caturthī runs from 02:06 on Sat 3 Feb to 00:28 on Sun 4 Feb and is current at moonrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/sankashta-chaturthi?on=2018-02-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/ekadashi?on=2018-02-11",
      "festival": "ekadashi",
      "name": "Vijayā Ekādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-02-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3126,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2018-02-10T06:14:17-03:00",
          "utc": "2018-02-10T09:14:17Z",
          "ms": 1518254056706.8145
        },
        "end": {
          "local": "2018-02-11T08:54:32-03:00",
          "utc": "2018-02-11T11:54:32Z",
          "ms": 1518350072012.6855
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-02-10T06:14:17-03:00",
          "utc": "2018-02-10T09:14:17Z",
          "ms": 1518254056706.8145
        },
        "end": {
          "local": "2018-02-11T08:54:32-03:00",
          "utc": "2018-02-11T11:54:32Z",
          "ms": 1518350072012.6855
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-02-10",
          "window": {
            "start": {
              "local": "2018-02-10T05:22:11-03:00",
              "utc": "2018-02-10T08:22:11Z",
              "ms": 1518250930537.9568
            },
            "end": {
              "local": "2018-02-10T05:22:11-03:00",
              "utc": "2018-02-10T08:22:11Z",
              "ms": 1518250930537.9568
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2018-02-11",
          "window": {
            "start": {
              "local": "2018-02-11T05:22:23-03:00",
              "utc": "2018-02-11T08:22:23Z",
              "ms": 1518337343141.6558
            },
            "end": {
              "local": "2018-02-11T05:22:23-03:00",
              "utc": "2018-02-11T08:22:23Z",
              "ms": 1518337343141.6558
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 06:14 on Sat 10 Feb to 08:55 on Sun 11 Feb.",
          "fact": "2018-02-10T09:14:17Z → 2018-02-11T11:54:32Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:22 on the 10th and 05:22 on the 11th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 10th and is on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 3126 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Ekādaśī, Recife, 2018: Sunday 11 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-02-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-02-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Vijayā Ekādaśī 2018 falls on Sunday 11 February. Ekādaśī runs from 06:14 on Sat 10 Feb to 08:55 on Sun 11 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/ekadashi?on=2018-02-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/pradosha-vrata?on=2018-02-12",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-02-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13174,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-02-12T11:34:53-03:00",
          "utc": "2018-02-12T14:34:53Z",
          "ms": 1518446093438.286
        },
        "end": {
          "local": "2018-02-13T14:04:57-03:00",
          "utc": "2018-02-13T17:04:57Z",
          "ms": 1518541496880.9626
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-02-12T11:34:53-03:00",
          "utc": "2018-02-12T14:34:53Z",
          "ms": 1518446093438.286
        },
        "end": {
          "local": "2018-02-13T14:04:57-03:00",
          "utc": "2018-02-13T17:04:57Z",
          "ms": 1518541496880.9626
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-02-12",
          "window": {
            "start": {
              "local": "2018-02-12T17:44:44-03:00",
              "utc": "2018-02-12T20:44:44Z",
              "ms": 1518468284437.2886
            },
            "end": {
              "local": "2018-02-12T19:17:49-03:00",
              "utc": "2018-02-12T22:17:49Z",
              "ms": 1518473868698.9883
            }
          },
          "covered_min": 93,
          "window_min": 93,
          "qualifies": true
        },
        {
          "local_date": "2018-02-13",
          "window": {
            "start": {
              "local": "2018-02-13T17:44:31-03:00",
              "utc": "2018-02-13T20:44:31Z",
              "ms": 1518554670682.9626
            },
            "end": {
              "local": "2018-02-13T19:17:38-03:00",
              "utc": "2018-02-13T22:17:38Z",
              "ms": 1518560258199.8765
            }
          },
          "covered_min": 0,
          "window_min": 93,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 11:35 on Mon 12 Feb to 14:05 on Tue 13 Feb.",
          "fact": "2018-02-12T14:34:53Z → 2018-02-13T17:04:57Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:45–19:18 on the 12th, 17:45–19:18 on the 13th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 93 of 93 minutes on the 12th and 0 of 93 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 13174 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Recife, 2018: Monday 12 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": "2018-02-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-02-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Kṛṣṇa Pradoṣa Vrata 2018 falls on Monday 12 February. Trayodaśī runs from 11:35 on Mon 12 Feb to 14:05 on Tue 13 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/pradosha-vrata?on=2018-02-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/maha-shivaratri",
      "festival": "maha-shivaratri",
      "name": "Mahāśivarātri",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-02-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24773,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2018-02-13T14:04:57-03:00",
          "utc": "2018-02-13T17:04:57Z",
          "ms": 1518541496880.9626
        },
        "end": {
          "local": "2018-02-14T16:16:48-03:00",
          "utc": "2018-02-14T19:16:48Z",
          "ms": 1518635808473.8533
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-02-13T14:04:57-03:00",
          "utc": "2018-02-13T17:04:57Z",
          "ms": 1518541496880.9626
        },
        "end": {
          "local": "2018-02-14T16:16:48-03:00",
          "utc": "2018-02-14T19:16:48Z",
          "ms": 1518635808473.8533
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2018-02-13",
          "window": {
            "start": {
              "local": "2018-02-13T23:09:44-03:00",
              "utc": "2018-02-14T02:09:44Z",
              "ms": 1518574183871.3892
            },
            "end": {
              "local": "2018-02-13T23:57:44-03:00",
              "utc": "2018-02-14T02:57:44Z",
              "ms": 1518577063871.3892
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-02-14",
          "window": {
            "start": {
              "local": "2018-02-14T23:09:42-03:00",
              "utc": "2018-02-15T02:09:42Z",
              "ms": 1518660581592.0752
            },
            "end": {
              "local": "2018-02-14T23:57:42-03:00",
              "utc": "2018-02-15T02:57:42Z",
              "ms": 1518663461592.0752
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 14:05 on Tue 13 Feb to 16:17 on Wed 14 Feb.",
          "fact": "2018-02-13T17:04:57Z → 2018-02-14T19:16:48Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:10–23:58 on the 13th, 23:10–23:58 on the 14th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: disputed → only-day · margin 24773 s"
        },
        {
          "step": "ruling",
          "text": "Mahāśivarātri, Recife, 2018: Tuesday 13 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": "2018-02-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-02-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Mahāśivarātri 2018 falls on Tuesday 13 February. Caturdaśī runs from 14:05 on Tue 13 Feb to 16:17 on Wed 14 Feb and covers all of niśītha that night.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/vinayaka-chaturthi?on=2018-02-19",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-02-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31687,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-02-18T20:47:14-03:00",
          "utc": "2018-02-18T23:47:14Z",
          "ms": 1518997634456.6365
        },
        "end": {
          "local": "2018-02-19T20:45:23-03:00",
          "utc": "2018-02-19T23:45:23Z",
          "ms": 1519083923255.6016
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-02-18T20:47:14-03:00",
          "utc": "2018-02-18T23:47:14Z",
          "ms": 1518997634456.6365
        },
        "end": {
          "local": "2018-02-19T20:45:23-03:00",
          "utc": "2018-02-19T23:45:23Z",
          "ms": 1519083923255.6016
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-02-18",
          "window": {
            "start": {
              "local": "2018-02-18T11:09:22-03:00",
              "utc": "2018-02-18T14:09:22Z",
              "ms": 1518962961578.025
            },
            "end": {
              "local": "2018-02-18T11:57:22-03:00",
              "utc": "2018-02-18T14:57:22Z",
              "ms": 1518965841578.025
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-02-19",
          "window": {
            "start": {
              "local": "2018-02-19T11:09:16-03:00",
              "utc": "2018-02-19T14:09:16Z",
              "ms": 1519049356079.149
            },
            "end": {
              "local": "2018-02-19T11:57:16-03:00",
              "utc": "2018-02-19T14:57:16Z",
              "ms": 1519052236079.149
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 20:47 on Sun 18 Feb to 20:45 on Mon 19 Feb.",
          "fact": "2018-02-18T23:47:14Z → 2018-02-19T23:45:23Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:09–11:57 on the 18th, 11:09–11:57 on the 19th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 31687 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Recife, 2018: Monday 19 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-02-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-02-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Vināyaka Caturthī 2018 falls on Monday 19 February. Caturthī runs from 20:47 on Sun 18 Feb to 20:45 on Mon 19 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/vinayaka-chaturthi?on=2018-02-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/ekadashi?on=2018-02-26",
      "festival": "ekadashi",
      "name": "Āmalakī Ekādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-02-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12896,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2018-02-25T11:39:56-03:00",
          "utc": "2018-02-25T14:39:56Z",
          "ms": 1519569595588.5083
        },
        "end": {
          "local": "2018-02-26T08:59:13-03:00",
          "utc": "2018-02-26T11:59:13Z",
          "ms": 1519646352739.048
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-02-25T11:39:56-03:00",
          "utc": "2018-02-25T14:39:56Z",
          "ms": 1519569595588.5083
        },
        "end": {
          "local": "2018-02-26T08:59:13-03:00",
          "utc": "2018-02-26T11:59:13Z",
          "ms": 1519646352739.048
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-02-25",
          "window": {
            "start": {
              "local": "2018-02-25T05:24:13-03:00",
              "utc": "2018-02-25T08:24:13Z",
              "ms": 1519547053116.7173
            },
            "end": {
              "local": "2018-02-25T05:24:13-03:00",
              "utc": "2018-02-25T08:24:13Z",
              "ms": 1519547053116.7173
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2018-02-26",
          "window": {
            "start": {
              "local": "2018-02-26T05:24:16-03:00",
              "utc": "2018-02-26T08:24:16Z",
              "ms": 1519633456495.1714
            },
            "end": {
              "local": "2018-02-26T05:24:16-03:00",
              "utc": "2018-02-26T08:24:16Z",
              "ms": 1519633456495.1714
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 11:40 on Sun 25 Feb to 08:59 on Mon 26 Feb.",
          "fact": "2018-02-25T14:39:56Z → 2018-02-26T11:59:13Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:24 on the 25th and 05:24 on the 26th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 25th and is on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 12896 s"
        },
        {
          "step": "ruling",
          "text": "Āmalakī Ekādaśī, Recife, 2018: Monday 26 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": "2018-02-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-02-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Āmalakī Ekādaśī 2018 falls on Monday 26 February. Ekādaśī runs from 11:40 on Sun 25 Feb to 08:59 on Mon 26 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/ekadashi?on=2018-02-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/pradosha-vrata?on=2018-02-27",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-02-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28946,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-02-27T06:09:14-03:00",
          "utc": "2018-02-27T09:09:14Z",
          "ms": 1519722554032.3486
        },
        "end": {
          "local": "2018-02-28T03:16:19-03:00",
          "utc": "2018-02-28T06:16:19Z",
          "ms": 1519798579179.2974
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-02-27T06:09:14-03:00",
          "utc": "2018-02-27T09:09:14Z",
          "ms": 1519722554032.3486
        },
        "end": {
          "local": "2018-02-28T03:16:19-03:00",
          "utc": "2018-02-28T06:16:19Z",
          "ms": 1519798579179.2974
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-02-26",
          "window": {
            "start": {
              "local": "2018-02-26T17:40:22-03:00",
              "utc": "2018-02-26T20:40:22Z",
              "ms": 1519677622181.5588
            },
            "end": {
              "local": "2018-02-26T19:14:14-03:00",
              "utc": "2018-02-26T22:14:14Z",
              "ms": 1519683253802.504
            }
          },
          "covered_min": 0,
          "window_min": 94,
          "qualifies": false
        },
        {
          "local_date": "2018-02-27",
          "window": {
            "start": {
              "local": "2018-02-27T17:39:58-03:00",
              "utc": "2018-02-27T20:39:58Z",
              "ms": 1519763998289.0447
            },
            "end": {
              "local": "2018-02-27T19:13:53-03:00",
              "utc": "2018-02-27T22:13:53Z",
              "ms": 1519769633405.8462
            }
          },
          "covered_min": 94,
          "window_min": 94,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 06:09 on Tue 27 Feb to 03:16 on Wed 28 Feb.",
          "fact": "2018-02-27T09:09:14Z → 2018-02-28T06:16:19Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:40–19:14 on the 26th, 17:40–19:14 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 94 minutes on the 26th and 94 of 94 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 28946 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Recife, 2018: Tuesday 27 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": "2018-02-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-02-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śukla Pradoṣa Vrata 2018 falls on Tuesday 27 February. Trayodaśī runs from 06:09 on Tue 27 Feb to 03:16 on Wed 28 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/pradosha-vrata?on=2018-02-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/holika-dahana",
      "festival": "holika-dahana",
      "name": "Holikā Dahana",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-03-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15131,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2018-03-01T00:27:42-03:00",
          "utc": "2018-03-01T03:27:42Z",
          "ms": 1519874862464.6624
        },
        "end": {
          "local": "2018-03-01T21:51:20-03:00",
          "utc": "2018-03-02T00:51:20Z",
          "ms": 1519951880069.761
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-03-01T00:27:42-03:00",
          "utc": "2018-03-01T03:27:42Z",
          "ms": 1519874862464.6624
        },
        "end": {
          "local": "2018-03-01T21:51:20-03:00",
          "utc": "2018-03-02T00:51:20Z",
          "ms": 1519951880069.761
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2018-02-28",
          "window": {
            "start": {
              "local": "2018-02-28T15:12:31-03:00",
              "utc": "2018-02-28T18:12:31Z",
              "ms": 1519841551388.6914
            },
            "end": {
              "local": "2018-02-28T17:39:34-03:00",
              "utc": "2018-02-28T20:39:34Z",
              "ms": 1519850373819.6003
            }
          },
          "covered_min": 0,
          "window_min": 147,
          "qualifies": false
        },
        {
          "local_date": "2018-03-01",
          "window": {
            "start": {
              "local": "2018-03-01T15:12:12-03:00",
              "utc": "2018-03-01T18:12:12Z",
              "ms": 1519927931737.714
            },
            "end": {
              "local": "2018-03-01T17:39:09-03:00",
              "utc": "2018-03-01T20:39:09Z",
              "ms": 1519936748798.737
            }
          },
          "covered_min": 147,
          "window_min": 147,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 00:28 on Thu 1 Mar to 21:51 on Thu 1 Mar.",
          "fact": "2018-03-01T03:27:42Z → 2018-03-02T00:51:20Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:13–17:40 on the 28th, 15:12–17:39 on the 1st.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 147 minutes on the 28th and 147 of 147 on the 1st.",
          "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 15131 s"
        },
        {
          "step": "ruling",
          "text": "Holikā Dahana, Recife, 2018: Thursday 1 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "holika-dahana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana."
          }
        ],
        "not_evaluated": "The hour the row gives for the rite (\"it should be observed on second half of purnima at night\") is not tested: sāyāhna alone settles the day.",
        "kaala": "sayahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-03-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-03-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Holikā Dahana 2018 falls on Thursday 1 March. Pūrṇimā runs from 00:28 on Thu 1 Mar to 21:51 on Thu 1 Mar and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/holi",
      "festival": "holi",
      "name": "Holī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-03-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15131,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2018-03-01T00:27:42-03:00",
          "utc": "2018-03-01T03:27:42Z",
          "ms": 1519874862464.6624
        },
        "end": {
          "local": "2018-03-01T21:51:20-03:00",
          "utc": "2018-03-02T00:51:20Z",
          "ms": 1519951880069.761
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-03-01T00:27:42-03:00",
          "utc": "2018-03-01T03:27:42Z",
          "ms": 1519874862464.6624
        },
        "end": {
          "local": "2018-03-01T21:51:20-03:00",
          "utc": "2018-03-02T00:51:20Z",
          "ms": 1519951880069.761
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2018-02-28",
          "window": {
            "start": {
              "local": "2018-02-28T15:12:31-03:00",
              "utc": "2018-02-28T18:12:31Z",
              "ms": 1519841551388.6914
            },
            "end": {
              "local": "2018-02-28T17:39:34-03:00",
              "utc": "2018-02-28T20:39:34Z",
              "ms": 1519850373819.6003
            }
          },
          "covered_min": 0,
          "window_min": 147,
          "qualifies": false
        },
        {
          "local_date": "2018-03-01",
          "window": {
            "start": {
              "local": "2018-03-01T15:12:12-03:00",
              "utc": "2018-03-01T18:12:12Z",
              "ms": 1519927931737.714
            },
            "end": {
              "local": "2018-03-01T17:39:09-03:00",
              "utc": "2018-03-01T20:39:09Z",
              "ms": 1519936748798.737
            }
          },
          "covered_min": 147,
          "window_min": 147,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "holika-dahana",
        "name": "Holikā Dahana",
        "local_date": "2018-03-01",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 00:28 on Thu 1 Mar to 21:51 on Thu 1 Mar.",
          "fact": "2018-03-01T03:27:42Z → 2018-03-02T00:51:20Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 15:13–17:40 on the 28th, 15:12–17:39 on the 1st.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 0 of 147 minutes on the 28th and 147 of 147 on the 1st.",
          "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 15131 s"
        },
        {
          "step": "counted",
          "text": "Holī is kept the day after Holikā Dahana: Thursday 1 March is the day taken above.",
          "fact": "follows: holika-dahana + 1 d"
        },
        {
          "step": "ruling",
          "text": "Holī, Recife, 2018: Friday 2 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "holi",
        "follows": {
          "festival": "holika-dahana",
          "days": 1
        },
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Holika-dahana (Sayahnavyapini — it should be observed on second half of purnima at night), Dolayatra (Bengal & Orissa) (covering 4 ghatikas before sunrise of the day of festival), Holi — on the day after Holikadahana."
          }
        ],
        "kaala": "sayahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-03-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-03-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Holī 2018 falls on Friday 2 March. It is kept the day after Holikā Dahana, which falls on Thursday 1 March. Pūrṇimā runs from 00:28 on Thu 1 Mar to 21:51 on Thu 1 Mar and covers all of sāyāhna on the 1st.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/vasantotsava",
      "festival": "vasantotsava",
      "name": "Vasantotsava",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-03-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27185,
      "anga": {
        "type": "tithi",
        "index": 15,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2018-03-01T21:51:20-03:00",
          "utc": "2018-03-02T00:51:20Z",
          "ms": 1519951880069.761
        },
        "end": {
          "local": "2018-03-02T19:35:31-03:00",
          "utc": "2018-03-02T22:35:31Z",
          "ms": 1520030131395.1226
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-03-01T21:51:20-03:00",
          "utc": "2018-03-02T00:51:20Z",
          "ms": 1519951880069.761
        },
        "end": {
          "local": "2018-03-02T19:35:31-03:00",
          "utc": "2018-03-02T22:35:31Z",
          "ms": 1520030131395.1226
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-03-02",
          "window": {
            "start": {
              "local": "2018-03-02T05:24:25-03:00",
              "utc": "2018-03-02T08:24:25Z",
              "ms": 1519979064844.483
            },
            "end": {
              "local": "2018-03-02T05:24:25-03:00",
              "utc": "2018-03-02T08:24:25Z",
              "ms": 1519979064844.483
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2018-03-03",
          "window": {
            "start": {
              "local": "2018-03-03T05:24:26-03:00",
              "utc": "2018-03-03T08:24:26Z",
              "ms": 1520065465738.2158
            },
            "end": {
              "local": "2018-03-03T05:24:26-03:00",
              "utc": "2018-03-03T08:24:26Z",
              "ms": 1520065465738.2158
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 21:51 on Thu 1 Mar to 19:36 on Fri 2 Mar.",
          "fact": "2018-03-02T00:51:20Z → 2018-03-02T22:35:31Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:24 on the 2nd and 05:24 on the 3rd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be current at sunrise. It is on the 2nd and is not on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 27185 s"
        },
        {
          "step": "ruling",
          "text": "Vasantotsava, Recife, 2018: Friday 2 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": "2018-03-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-03-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Vasantotsava 2018 falls on Friday 2 March. Pratipadā runs from 21:51 on Thu 1 Mar to 19:36 on Fri 2 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/sankashta-chaturthi?on=2018-03-04",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-03-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11946,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-03-04T16:37:56-03:00",
          "utc": "2018-03-04T19:37:56Z",
          "ms": 1520192276265.9006
        },
        "end": {
          "local": "2018-03-05T16:09:45-03:00",
          "utc": "2018-03-05T19:09:45Z",
          "ms": 1520276985167.4338
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-03-04T16:37:56-03:00",
          "utc": "2018-03-04T19:37:56Z",
          "ms": 1520192276265.9006
        },
        "end": {
          "local": "2018-03-05T16:09:45-03:00",
          "utc": "2018-03-05T19:09:45Z",
          "ms": 1520276985167.4338
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2018-03-04",
          "window": {
            "start": {
              "local": "2018-03-04T19:57:02-03:00",
              "utc": "2018-03-04T22:57:02Z",
              "ms": 1520204222355.814
            },
            "end": {
              "local": "2018-03-04T19:57:02-03:00",
              "utc": "2018-03-04T22:57:02Z",
              "ms": 1520204222355.814
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2018-03-05",
          "window": {
            "start": {
              "local": "2018-03-05T20:41:55-03:00",
              "utc": "2018-03-05T23:41:55Z",
              "ms": 1520293314643.3962
            },
            "end": {
              "local": "2018-03-05T20:41:55-03:00",
              "utc": "2018-03-05T23:41:55Z",
              "ms": 1520293314643.3962
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 16:38 on Sun 4 Mar to 16:10 on Mon 5 Mar.",
          "fact": "2018-03-04T19:37:56Z → 2018-03-05T19:09:45Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:57 on the 4th and 20:42 on the 5th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 4th and is not on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 11946 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Recife, 2018: Sunday 4 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": "2018-03-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-03-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Saṅkaṣṭa Caturthī 2018 falls on Sunday 4 March. Caturthī runs from 16:38 on Sun 4 Mar to 16:10 on Mon 5 Mar and is current at moonrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/sankashta-chaturthi?on=2018-03-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/shitalashtami",
      "festival": "shitalashtami",
      "name": "Śītalāṣṭamī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-03-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26449,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2018-03-08T19:15:01-03:00",
          "utc": "2018-03-08T22:15:01Z",
          "ms": 1520547301334.054
        },
        "end": {
          "local": "2018-03-09T21:30:59-03:00",
          "utc": "2018-03-10T00:30:59Z",
          "ms": 1520641859012.4749
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-03-08T19:15:01-03:00",
          "utc": "2018-03-08T22:15:01Z",
          "ms": 1520547301334.054
        },
        "end": {
          "local": "2018-03-09T21:30:59-03:00",
          "utc": "2018-03-10T00:30:59Z",
          "ms": 1520641859012.4749
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-03-08",
          "window": {
            "start": {
              "local": "2018-03-08T11:06:12-03:00",
              "utc": "2018-03-08T14:06:12Z",
              "ms": 1520517972200.7368
            },
            "end": {
              "local": "2018-03-08T11:54:12-03:00",
              "utc": "2018-03-08T14:54:12Z",
              "ms": 1520520852200.7368
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-03-09",
          "window": {
            "start": {
              "local": "2018-03-09T11:05:57-03:00",
              "utc": "2018-03-09T14:05:57Z",
              "ms": 1520604357216.658
            },
            "end": {
              "local": "2018-03-09T11:53:57-03:00",
              "utc": "2018-03-09T14:53:57Z",
              "ms": 1520607237216.658
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 19:15 on Thu 8 Mar to 21:31 on Fri 9 Mar.",
          "fact": "2018-03-08T22:15:01Z → 2018-03-10T00:30:59Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:06–11:54 on the 8th, 11:06–11:54 on the 9th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 26449 s"
        },
        {
          "step": "ruling",
          "text": "Śītalāṣṭamī, Recife, 2018: Friday 9 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shitalashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Sitalastami, (purvaviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-03-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-03-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śītalāṣṭamī 2018 falls on Friday 9 March. Aṣṭamī runs from 19:15 on Thu 8 Mar to 21:31 on Fri 9 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/ekadashi?on=2018-03-12",
      "festival": "ekadashi",
      "name": "Pāpamocanī Ekādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-03-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 775,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2018-03-12T02:43:52-03:00",
          "utc": "2018-03-12T05:43:52Z",
          "ms": 1520833432205.4226
        },
        "end": {
          "local": "2018-03-13T05:11:19-03:00",
          "utc": "2018-03-13T08:11:19Z",
          "ms": 1520928678778.7065
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-03-12T02:43:52-03:00",
          "utc": "2018-03-12T05:43:52Z",
          "ms": 1520833432205.4226
        },
        "end": {
          "local": "2018-03-13T05:11:19-03:00",
          "utc": "2018-03-13T08:11:19Z",
          "ms": 1520928678778.7065
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-03-12",
          "window": {
            "start": {
              "local": "2018-03-12T05:24:16-03:00",
              "utc": "2018-03-12T08:24:16Z",
              "ms": 1520843056410.9224
            },
            "end": {
              "local": "2018-03-12T05:24:16-03:00",
              "utc": "2018-03-12T08:24:16Z",
              "ms": 1520843056410.9224
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2018-03-13",
          "window": {
            "start": {
              "local": "2018-03-13T05:24:14-03:00",
              "utc": "2018-03-13T08:24:14Z",
              "ms": 1520929453770.933
            },
            "end": {
              "local": "2018-03-13T05:24:14-03:00",
              "utc": "2018-03-13T08:24:14Z",
              "ms": 1520929453770.933
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 02:44 on Mon 12 Mar to 05:11 on Tue 13 Mar.",
          "fact": "2018-03-12T05:43:52Z → 2018-03-13T08:11:19Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:24 on the 12th and 05:24 on the 13th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 12th and is not on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 775 s"
        },
        {
          "step": "ruling",
          "text": "Pāpamocanī Ekādaśī, Recife, 2018: Monday 12 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-03-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-03-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Pāpamocanī Ekādaśī 2018 falls on Monday 12 March. Ekādaśī runs from 02:44 on Mon 12 Mar to 05:11 on Tue 13 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/ekadashi?on=2018-03-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/pradosha-vrata?on=2018-03-14",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-03-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31380,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-03-14T07:15:56-03:00",
          "utc": "2018-03-14T10:15:56Z",
          "ms": 1521022555743.3228
        },
        "end": {
          "local": "2018-03-15T08:49:34-03:00",
          "utc": "2018-03-15T11:49:34Z",
          "ms": 1521114574412.672
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-03-14T07:15:56-03:00",
          "utc": "2018-03-14T10:15:56Z",
          "ms": 1521022555743.3228
        },
        "end": {
          "local": "2018-03-15T08:49:34-03:00",
          "utc": "2018-03-15T11:49:34Z",
          "ms": 1521114574412.672
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-03-14",
          "window": {
            "start": {
              "local": "2018-03-14T17:33:05-03:00",
              "utc": "2018-03-14T20:33:05Z",
              "ms": 1521059584591.2932
            },
            "end": {
              "local": "2018-03-14T19:07:53-03:00",
              "utc": "2018-03-14T22:07:53Z",
              "ms": 1521065273009.3564
            }
          },
          "covered_min": 95,
          "window_min": 95,
          "qualifies": true
        },
        {
          "local_date": "2018-03-15",
          "window": {
            "start": {
              "local": "2018-03-15T17:32:34-03:00",
              "utc": "2018-03-15T20:32:34Z",
              "ms": 1521145954375.2683
            },
            "end": {
              "local": "2018-03-15T19:07:26-03:00",
              "utc": "2018-03-15T22:07:26Z",
              "ms": 1521151646372.3428
            }
          },
          "covered_min": 0,
          "window_min": 95,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 07:16 on Wed 14 Mar to 08:50 on Thu 15 Mar.",
          "fact": "2018-03-14T10:15:56Z → 2018-03-15T11:49:34Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:33–19:08 on the 14th, 17:33–19:07 on the 15th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 95 of 95 minutes on the 14th and 0 of 95 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 31380 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Recife, 2018: Wednesday 14 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-03-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-03-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Kṛṣṇa Pradoṣa Vrata 2018 falls on Wednesday 14 March. Trayodaśī runs from 07:16 on Wed 14 Mar to 08:50 on Thu 15 Mar and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/pradosha-vrata?on=2018-03-14",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/shivaratri?on=2018-03-15",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-03-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32218,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2018-03-15T08:49:34-03:00",
          "utc": "2018-03-15T11:49:34Z",
          "ms": 1521114574412.672
        },
        "end": {
          "local": "2018-03-16T09:48:14-03:00",
          "utc": "2018-03-16T12:48:14Z",
          "ms": 1521204494383.6106
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-03-15T08:49:34-03:00",
          "utc": "2018-03-15T11:49:34Z",
          "ms": 1521114574412.672
        },
        "end": {
          "local": "2018-03-16T09:48:14-03:00",
          "utc": "2018-03-16T12:48:14Z",
          "ms": 1521204494383.6106
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2018-03-14",
          "window": {
            "start": {
              "local": "2018-03-14T23:04:36-03:00",
              "utc": "2018-03-15T02:04:36Z",
              "ms": 1521079476159.0305
            },
            "end": {
              "local": "2018-03-14T23:52:36-03:00",
              "utc": "2018-03-15T02:52:36Z",
              "ms": 1521082356159.0305
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-03-15",
          "window": {
            "start": {
              "local": "2018-03-15T23:04:19-03:00",
              "utc": "2018-03-16T02:04:19Z",
              "ms": 1521165859364.297
            },
            "end": {
              "local": "2018-03-15T23:52:19-03:00",
              "utc": "2018-03-16T02:52:19Z",
              "ms": 1521168739364.297
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 08:50 on Thu 15 Mar to 09:48 on Fri 16 Mar.",
          "fact": "2018-03-15T11:49:34Z → 2018-03-16T12:48:14Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:05–23:53 on the 14th, 23:04–23:52 on the 15th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 32218 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Recife, 2018: Thursday 15 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-03-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-03-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śivarātri 2018 falls on Thursday 15 March. Caturdaśī runs from 08:50 on Thu 15 Mar to 09:48 on Fri 16 Mar and covers all of niśītha that night.",
      "cite": "https://ahargana.org/recife/festivals/2018/shivaratri?on=2018-03-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/navaratra-arambha-caitra",
      "festival": "navaratra-arambha-caitra",
      "name": "Navarātrārambha (Caitra)",
      "everyday": "Chaitra Navratri",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-03-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3133,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2018-03-17T10:11:34-03:00",
          "utc": "2018-03-17T13:11:34Z",
          "ms": 1521292293885.157
        },
        "end": {
          "local": "2018-03-18T10:01:54-03:00",
          "utc": "2018-03-18T13:01:54Z",
          "ms": 1521378114379.9058
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-03-17T10:11:34-03:00",
          "utc": "2018-03-17T13:11:34Z",
          "ms": 1521292293885.157
        },
        "end": {
          "local": "2018-03-18T10:01:54-03:00",
          "utc": "2018-03-18T13:01:54Z",
          "ms": 1521378114379.9058
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-03-17",
          "window": {
            "start": {
              "local": "2018-03-17T11:03:47-03:00",
              "utc": "2018-03-17T14:03:47Z",
              "ms": 1521295427049.5295
            },
            "end": {
              "local": "2018-03-17T11:51:47-03:00",
              "utc": "2018-03-17T14:51:47Z",
              "ms": 1521298307049.5295
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-03-18",
          "window": {
            "start": {
              "local": "2018-03-18T11:03:30-03:00",
              "utc": "2018-03-18T14:03:30Z",
              "ms": 1521381809762.0205
            },
            "end": {
              "local": "2018-03-18T11:51:30-03:00",
              "utc": "2018-03-18T14:51:30Z",
              "ms": 1521384689762.0205
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 10:12 on Sat 17 Mar to 10:02 on Sun 18 Mar.",
          "fact": "2018-03-17T13:11:34Z → 2018-03-18T13:01:54Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:04–11:52 on the 17th, 11:03–11:51 on the 18th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 3133 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha (Caitra), Recife, 2018: Saturday 17 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "navaratra-arambha-caitra",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Navaratrarambha (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-03-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-03-17",
          "confidence": "boundary"
        }
      ],
      "quote": "In Recife, Navarātrārambha (Caitra) (Chaitra Navratri) 2018 falls on Saturday 17 March. Pratipadā runs from 10:12 on Sat 17 Mar to 10:02 on Sun 18 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/gauri-tritiya",
      "festival": "gauri-tritiya",
      "name": "Gaurī Tṛtīyā",
      "everyday": "Gangaur",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-03-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5993,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2018-03-19T09:23:19-03:00",
          "utc": "2018-03-19T12:23:19Z",
          "ms": 1521462198819.3254
        },
        "end": {
          "local": "2018-03-20T08:20:36-03:00",
          "utc": "2018-03-20T11:20:36Z",
          "ms": 1521544835724.568
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-03-19T09:23:19-03:00",
          "utc": "2018-03-19T12:23:19Z",
          "ms": 1521462198819.3254
        },
        "end": {
          "local": "2018-03-20T08:20:36-03:00",
          "utc": "2018-03-20T11:20:36Z",
          "ms": 1521544835724.568
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-03-19",
          "window": {
            "start": {
              "local": "2018-03-19T11:03:12-03:00",
              "utc": "2018-03-19T14:03:12Z",
              "ms": 1521468192305.52
            },
            "end": {
              "local": "2018-03-19T11:51:12-03:00",
              "utc": "2018-03-19T14:51:12Z",
              "ms": 1521471072305.52
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-03-20",
          "window": {
            "start": {
              "local": "2018-03-20T11:02:55-03:00",
              "utc": "2018-03-20T14:02:55Z",
              "ms": 1521554574696.623
            },
            "end": {
              "local": "2018-03-20T11:50:55-03:00",
              "utc": "2018-03-20T14:50:55Z",
              "ms": 1521557454696.623
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 09:23 on Mon 19 Mar to 08:21 on Tue 20 Mar.",
          "fact": "2018-03-19T12:23:19Z → 2018-03-20T11:20:36Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:03–11:51 on the 19th, 11:03–11:51 on the 20th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 5993 s"
        },
        {
          "step": "ruling",
          "text": "Gaurī Tṛtīyā, Recife, 2018: Monday 19 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": "2018-03-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-03-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Gaurī Tṛtīyā (Gangaur) 2018 falls on Monday 19 March. Tṛtīyā runs from 09:23 on Mon 19 Mar to 08:21 on Tue 20 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/saubhagya-shayana-vrata",
      "festival": "saubhagya-shayana-vrata",
      "name": "Saubhāgya Śayana Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-03-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5993,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2018-03-19T09:23:19-03:00",
          "utc": "2018-03-19T12:23:19Z",
          "ms": 1521462198819.3254
        },
        "end": {
          "local": "2018-03-20T08:20:36-03:00",
          "utc": "2018-03-20T11:20:36Z",
          "ms": 1521544835724.568
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-03-19T09:23:19-03:00",
          "utc": "2018-03-19T12:23:19Z",
          "ms": 1521462198819.3254
        },
        "end": {
          "local": "2018-03-20T08:20:36-03:00",
          "utc": "2018-03-20T11:20:36Z",
          "ms": 1521544835724.568
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-03-19",
          "window": {
            "start": {
              "local": "2018-03-19T11:03:12-03:00",
              "utc": "2018-03-19T14:03:12Z",
              "ms": 1521468192305.52
            },
            "end": {
              "local": "2018-03-19T11:51:12-03:00",
              "utc": "2018-03-19T14:51:12Z",
              "ms": 1521471072305.52
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-03-20",
          "window": {
            "start": {
              "local": "2018-03-20T11:02:55-03:00",
              "utc": "2018-03-20T14:02:55Z",
              "ms": 1521554574696.623
            },
            "end": {
              "local": "2018-03-20T11:50:55-03:00",
              "utc": "2018-03-20T14:50:55Z",
              "ms": 1521557454696.623
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 09:23 on Mon 19 Mar to 08:21 on Tue 20 Mar.",
          "fact": "2018-03-19T12:23:19Z → 2018-03-20T11:20:36Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:03–11:51 on the 19th, 11:03–11:51 on the 20th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 5993 s"
        },
        {
          "step": "ruling",
          "text": "Saubhāgya Śayana Vrata, Recife, 2018: Monday 19 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": "2018-03-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-03-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Saubhāgya Śayana Vrata 2018 falls on Monday 19 March. Tṛtīyā runs from 09:23 on Mon 19 Mar to 08:21 on Tue 20 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/vinayaka-chaturthi?on=2018-03-20",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-03-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9739,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-03-20T08:20:36-03:00",
          "utc": "2018-03-20T11:20:36Z",
          "ms": 1521544835724.568
        },
        "end": {
          "local": "2018-03-21T06:58:35-03:00",
          "utc": "2018-03-21T09:58:35Z",
          "ms": 1521626314837.9978
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-03-20T08:20:36-03:00",
          "utc": "2018-03-20T11:20:36Z",
          "ms": 1521544835724.568
        },
        "end": {
          "local": "2018-03-21T06:58:35-03:00",
          "utc": "2018-03-21T09:58:35Z",
          "ms": 1521626314837.9978
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-03-20",
          "window": {
            "start": {
              "local": "2018-03-20T11:02:55-03:00",
              "utc": "2018-03-20T14:02:55Z",
              "ms": 1521554574696.623
            },
            "end": {
              "local": "2018-03-20T11:50:55-03:00",
              "utc": "2018-03-20T14:50:55Z",
              "ms": 1521557454696.623
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-03-21",
          "window": {
            "start": {
              "local": "2018-03-21T11:02:37-03:00",
              "utc": "2018-03-21T14:02:37Z",
              "ms": 1521640956952.127
            },
            "end": {
              "local": "2018-03-21T11:50:37-03:00",
              "utc": "2018-03-21T14:50:37Z",
              "ms": 1521643836952.127
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 08:21 on Tue 20 Mar to 06:59 on Wed 21 Mar.",
          "fact": "2018-03-20T11:20:36Z → 2018-03-21T09:58:35Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:03–11:51 on the 20th, 11:03–11:51 on the 21st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 9739 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Recife, 2018: Tuesday 20 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": "2018-03-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-03-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Vināyaka Caturthī 2018 falls on Tuesday 20 March. Caturthī runs from 08:21 on Tue 20 Mar to 06:59 on Wed 21 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/vinayaka-chaturthi?on=2018-03-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/lakshmi-panchami",
      "festival": "lakshmi-panchami",
      "name": "Lakṣmī Pañcamī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-03-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14642,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2018-03-21T06:58:35-03:00",
          "utc": "2018-03-21T09:58:35Z",
          "ms": 1521626314837.9978
        },
        "end": {
          "local": "2018-03-22T05:21:36-03:00",
          "utc": "2018-03-22T08:21:36Z",
          "ms": 1521706896378.8286
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-03-21T06:58:35-03:00",
          "utc": "2018-03-21T09:58:35Z",
          "ms": 1521626314837.9978
        },
        "end": {
          "local": "2018-03-22T05:21:36-03:00",
          "utc": "2018-03-22T08:21:36Z",
          "ms": 1521706896378.8286
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-03-21",
          "window": {
            "start": {
              "local": "2018-03-21T11:02:37-03:00",
              "utc": "2018-03-21T14:02:37Z",
              "ms": 1521640956952.127
            },
            "end": {
              "local": "2018-03-21T11:50:37-03:00",
              "utc": "2018-03-21T14:50:37Z",
              "ms": 1521643836952.127
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-03-22",
          "window": {
            "start": {
              "local": "2018-03-22T11:02:19-03:00",
              "utc": "2018-03-22T14:02:19Z",
              "ms": 1521727339089.2473
            },
            "end": {
              "local": "2018-03-22T11:50:19-03:00",
              "utc": "2018-03-22T14:50:19Z",
              "ms": 1521730219089.2473
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 06:59 on Wed 21 Mar to 05:22 on Thu 22 Mar.",
          "fact": "2018-03-21T09:58:35Z → 2018-03-22T08:21:36Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:03–11:51 on the 21st, 11:02–11:50 on the 22nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 14642 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pañcamī, Recife, 2018: Wednesday 21 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "lakshmi-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-03-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-03-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Lakṣmī Pañcamī 2018 falls on Wednesday 21 March. Pañcamī runs from 06:59 on Wed 21 Mar to 05:22 on Thu 22 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/bhavani-utpatti",
      "festival": "bhavani-utpatti",
      "name": "Bhavānī Utpatti",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-03-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33929,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2018-03-24T01:36:14-03:00",
          "utc": "2018-03-24T04:36:14Z",
          "ms": 1521866174113.8967
        },
        "end": {
          "local": "2018-03-24T23:32:42-03:00",
          "utc": "2018-03-25T02:32:42Z",
          "ms": 1521945161961.511
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-03-24T01:36:14-03:00",
          "utc": "2018-03-24T04:36:14Z",
          "ms": 1521866174113.8967
        },
        "end": {
          "local": "2018-03-24T23:32:42-03:00",
          "utc": "2018-03-25T02:32:42Z",
          "ms": 1521945161961.511
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-03-24",
          "window": {
            "start": {
              "local": "2018-03-24T11:01:43-03:00",
              "utc": "2018-03-24T14:01:43Z",
              "ms": 1521900103080.496
            },
            "end": {
              "local": "2018-03-24T11:49:43-03:00",
              "utc": "2018-03-24T14:49:43Z",
              "ms": 1521902983080.496
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-03-25",
          "window": {
            "start": {
              "local": "2018-03-25T11:01:25-03:00",
              "utc": "2018-03-25T14:01:25Z",
              "ms": 1521986484972.8354
            },
            "end": {
              "local": "2018-03-25T11:49:25-03:00",
              "utc": "2018-03-25T14:49:25Z",
              "ms": 1521989364972.8354
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 01:36 on Sat 24 Mar to 23:33 on Sat 24 Mar.",
          "fact": "2018-03-24T04:36:14Z → 2018-03-25T02:32:42Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 24th, 11:01–11:49 on the 25th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 24th and 0 of 48 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 33929 s"
        },
        {
          "step": "ruling",
          "text": "Bhavānī Utpatti, Recife, 2018: Saturday 24 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bhavani-utpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-03-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-03-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Bhavānī Utpatti 2018 falls on Saturday 24 March. Aṣṭamī runs from 01:36 on Sat 24 Mar to 23:33 on Sat 24 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/rama-navami",
      "festival": "rama-navami",
      "name": "Rāma Navamī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-03-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34501,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2018-03-24T23:32:42-03:00",
          "utc": "2018-03-25T02:32:42Z",
          "ms": 1521945161961.511
        },
        "end": {
          "local": "2018-03-25T21:24:26-03:00",
          "utc": "2018-03-26T00:24:26Z",
          "ms": 1522023865953.7659
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-03-24T23:32:42-03:00",
          "utc": "2018-03-25T02:32:42Z",
          "ms": 1521945161961.511
        },
        "end": {
          "local": "2018-03-25T21:24:26-03:00",
          "utc": "2018-03-26T00:24:26Z",
          "ms": 1522023865953.7659
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-03-24",
          "window": {
            "start": {
              "local": "2018-03-24T11:01:43-03:00",
              "utc": "2018-03-24T14:01:43Z",
              "ms": 1521900103080.496
            },
            "end": {
              "local": "2018-03-24T11:49:43-03:00",
              "utc": "2018-03-24T14:49:43Z",
              "ms": 1521902983080.496
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-03-25",
          "window": {
            "start": {
              "local": "2018-03-25T11:01:25-03:00",
              "utc": "2018-03-25T14:01:25Z",
              "ms": 1521986484972.8354
            },
            "end": {
              "local": "2018-03-25T11:49:25-03:00",
              "utc": "2018-03-25T14:49:25Z",
              "ms": 1521989364972.8354
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 23:33 on Sat 24 Mar to 21:24 on Sun 25 Mar.",
          "fact": "2018-03-25T02:32:42Z → 2018-03-26T00:24:26Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 24th, 11:01–11:49 on the 25th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 34501 s"
        },
        {
          "step": "ruling",
          "text": "Rāma Navamī, Recife, 2018: Sunday 25 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rama-navami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti."
          }
        ],
        "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.",
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-03-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-03-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Rāma Navamī 2018 falls on Sunday 25 March. Navamī runs from 23:33 on Sat 24 Mar to 21:24 on Sun 25 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/ekadashi?on=2018-03-27",
      "festival": "ekadashi",
      "name": "Kāmadā Ekādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-03-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36595,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2018-03-26T19:13:22-03:00",
          "utc": "2018-03-26T22:13:22Z",
          "ms": 1522102401600.8262
        },
        "end": {
          "local": "2018-03-27T17:01:58-03:00",
          "utc": "2018-03-27T20:01:58Z",
          "ms": 1522180917921.2026
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-03-26T19:13:22-03:00",
          "utc": "2018-03-26T22:13:22Z",
          "ms": 1522102401600.8262
        },
        "end": {
          "local": "2018-03-27T17:01:58-03:00",
          "utc": "2018-03-27T20:01:58Z",
          "ms": 1522180917921.2026
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-03-27",
          "window": {
            "start": {
              "local": "2018-03-27T05:23:16-03:00",
              "utc": "2018-03-27T08:23:16Z",
              "ms": 1522138996341.1326
            },
            "end": {
              "local": "2018-03-27T05:23:16-03:00",
              "utc": "2018-03-27T08:23:16Z",
              "ms": 1522138996341.1326
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2018-03-28",
          "window": {
            "start": {
              "local": "2018-03-28T05:23:11-03:00",
              "utc": "2018-03-28T08:23:11Z",
              "ms": 1522225391401.2788
            },
            "end": {
              "local": "2018-03-28T05:23:11-03:00",
              "utc": "2018-03-28T08:23:11Z",
              "ms": 1522225391401.2788
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 19:13 on Mon 26 Mar to 17:02 on Tue 27 Mar.",
          "fact": "2018-03-26T22:13:22Z → 2018-03-27T20:01:58Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:23 on the 27th and 05:23 on the 28th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 27th and is not on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 36595 s"
        },
        {
          "step": "ruling",
          "text": "Kāmadā Ekādaśī, Recife, 2018: Tuesday 27 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-03-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-03-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Kāmadā Ekādaśī 2018 falls on Tuesday 27 March. Ekādaśī runs from 19:13 on Mon 26 Mar to 17:02 on Tue 27 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/ekadashi?on=2018-03-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/pradosha-vrata?on=2018-03-28",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-03-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9132,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-03-28T14:53:38-03:00",
          "utc": "2018-03-28T17:53:38Z",
          "ms": 1522259618014.973
        },
        "end": {
          "local": "2018-03-29T12:52:50-03:00",
          "utc": "2018-03-29T15:52:50Z",
          "ms": 1522338770097.7295
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-03-28T14:53:38-03:00",
          "utc": "2018-03-28T17:53:38Z",
          "ms": 1522259618014.973
        },
        "end": {
          "local": "2018-03-29T12:52:50-03:00",
          "utc": "2018-03-29T15:52:50Z",
          "ms": 1522338770097.7295
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-03-28",
          "window": {
            "start": {
              "local": "2018-03-28T17:25:50-03:00",
              "utc": "2018-03-28T20:25:50Z",
              "ms": 1522268749572.121
            },
            "end": {
              "local": "2018-03-28T19:01:28-03:00",
              "utc": "2018-03-28T22:01:28Z",
              "ms": 1522274487822.1086
            }
          },
          "covered_min": 96,
          "window_min": 96,
          "qualifies": true
        },
        {
          "local_date": "2018-03-29",
          "window": {
            "start": {
              "local": "2018-03-29T17:25:18-03:00",
              "utc": "2018-03-29T20:25:18Z",
              "ms": 1522355118243.374
            },
            "end": {
              "local": "2018-03-29T19:01:00-03:00",
              "utc": "2018-03-29T22:01:00Z",
              "ms": 1522360860010.9512
            }
          },
          "covered_min": 0,
          "window_min": 96,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 14:54 on Wed 28 Mar to 12:53 on Thu 29 Mar.",
          "fact": "2018-03-28T17:53:38Z → 2018-03-29T15:52:50Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:26–19:01 on the 28th, 17:25–19:01 on the 29th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 96 of 96 minutes on the 28th and 0 of 96 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 9132 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Recife, 2018: Wednesday 28 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": "2018-03-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-03-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śukla Pradoṣa Vrata 2018 falls on Wednesday 28 March. Trayodaśī runs from 14:54 on Wed 28 Mar to 12:53 on Thu 29 Mar and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/pradosha-vrata?on=2018-03-28",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/ananga-trayodashi",
      "festival": "ananga-trayodashi",
      "name": "Anaṅga Trayodaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-03-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3878,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-03-28T14:53:38-03:00",
          "utc": "2018-03-28T17:53:38Z",
          "ms": 1522259618014.973
        },
        "end": {
          "local": "2018-03-29T12:52:50-03:00",
          "utc": "2018-03-29T15:52:50Z",
          "ms": 1522338770097.7295
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-03-28T14:53:38-03:00",
          "utc": "2018-03-28T17:53:38Z",
          "ms": 1522259618014.973
        },
        "end": {
          "local": "2018-03-29T12:52:50-03:00",
          "utc": "2018-03-29T15:52:50Z",
          "ms": 1522338770097.7295
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-03-28",
          "window": {
            "start": {
              "local": "2018-03-28T11:00:30-03:00",
              "utc": "2018-03-28T14:00:30Z",
              "ms": 1522245630486.7
            },
            "end": {
              "local": "2018-03-28T11:48:30-03:00",
              "utc": "2018-03-28T14:48:30Z",
              "ms": 1522248510486.7
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-03-29",
          "window": {
            "start": {
              "local": "2018-03-29T11:00:12-03:00",
              "utc": "2018-03-29T14:00:12Z",
              "ms": 1522332012345.2004
            },
            "end": {
              "local": "2018-03-29T11:48:12-03:00",
              "utc": "2018-03-29T14:48:12Z",
              "ms": 1522334892345.2004
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 14:54 on Wed 28 Mar to 12:53 on Thu 29 Mar.",
          "fact": "2018-03-28T17:53:38Z → 2018-03-29T15:52:50Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:01–11:49 on the 28th, 11:00–11:48 on the 29th.",
          "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 28th and 48 of 48 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 3878 s"
        },
        {
          "step": "ruling",
          "text": "Anaṅga Trayodaśī, Recife, 2018: Thursday 29 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ananga-trayodashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-03-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-03-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Anaṅga Trayodaśī 2018 falls on Thursday 29 March. Trayodaśī runs from 14:54 on Wed 28 Mar to 12:53 on Thu 29 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/vishnu-damanaka-chaturdashi",
      "festival": "vishnu-damanaka-chaturdashi",
      "name": "Viṣṇudamanaka Caturdaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-03-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 312,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2018-03-29T12:52:50-03:00",
          "utc": "2018-03-29T15:52:50Z",
          "ms": 1522338770097.7295
        },
        "end": {
          "local": "2018-03-30T11:05:07-03:00",
          "utc": "2018-03-30T14:05:07Z",
          "ms": 1522418706652.5737
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-03-29T12:52:50-03:00",
          "utc": "2018-03-29T15:52:50Z",
          "ms": 1522338770097.7295
        },
        "end": {
          "local": "2018-03-30T11:05:07-03:00",
          "utc": "2018-03-30T14:05:07Z",
          "ms": 1522418706652.5737
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-03-29",
          "window": {
            "start": {
              "local": "2018-03-29T11:00:12-03:00",
              "utc": "2018-03-29T14:00:12Z",
              "ms": 1522332012345.2004
            },
            "end": {
              "local": "2018-03-29T11:48:12-03:00",
              "utc": "2018-03-29T14:48:12Z",
              "ms": 1522334892345.2004
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-03-30",
          "window": {
            "start": {
              "local": "2018-03-30T10:59:54-03:00",
              "utc": "2018-03-30T13:59:54Z",
              "ms": 1522418394253.122
            },
            "end": {
              "local": "2018-03-30T11:47:54-03:00",
              "utc": "2018-03-30T14:47:54Z",
              "ms": 1522421274253.122
            }
          },
          "covered_min": 5,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 12:53 on Thu 29 Mar to 11:05 on Fri 30 Mar.",
          "fact": "2018-03-29T15:52:50Z → 2018-03-30T14:05:07Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:00–11:48 on the 29th, 11:00–11:48 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 5 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 312 s"
        },
        {
          "step": "ruling",
          "text": "Viṣṇudamanaka Caturdaśī, Recife, 2018: Friday 30 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vishnu-damanaka-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-03-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-03-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Viṣṇudamanaka Caturdaśī 2018 falls on Friday 30 March. Caturdaśī runs from 12:53 on Thu 29 Mar to 11:05 on Fri 30 Mar and covers 5 of 48 minutes of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/chaitri-purnima",
      "festival": "chaitri-purnima",
      "name": "Caitrī Pūrṇimā",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-03-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 312,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2018-03-30T11:05:07-03:00",
          "utc": "2018-03-30T14:05:07Z",
          "ms": 1522418706652.5737
        },
        "end": {
          "local": "2018-03-31T09:36:51-03:00",
          "utc": "2018-03-31T12:36:51Z",
          "ms": 1522499810602.4788
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-03-30T11:05:07-03:00",
          "utc": "2018-03-30T14:05:07Z",
          "ms": 1522418706652.5737
        },
        "end": {
          "local": "2018-03-31T09:36:51-03:00",
          "utc": "2018-03-31T12:36:51Z",
          "ms": 1522499810602.4788
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-03-30",
          "window": {
            "start": {
              "local": "2018-03-30T10:59:54-03:00",
              "utc": "2018-03-30T13:59:54Z",
              "ms": 1522418394253.122
            },
            "end": {
              "local": "2018-03-30T11:47:54-03:00",
              "utc": "2018-03-30T14:47:54Z",
              "ms": 1522421274253.122
            }
          },
          "covered_min": 43,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-03-31",
          "window": {
            "start": {
              "local": "2018-03-31T10:59:36-03:00",
              "utc": "2018-03-31T13:59:36Z",
              "ms": 1522504776234.3477
            },
            "end": {
              "local": "2018-03-31T11:47:36-03:00",
              "utc": "2018-03-31T14:47:36Z",
              "ms": 1522507656234.3477
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 11:05 on Fri 30 Mar to 09:37 on Sat 31 Mar.",
          "fact": "2018-03-30T14:05:07Z → 2018-03-31T12:36:51Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:00–11:48 on the 30th, 11:00–11:48 on the 31st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 43 of 48 minutes on the 30th and 0 of 48 on the 31st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 312 s"
        },
        {
          "step": "ruling",
          "text": "Caitrī Pūrṇimā, Recife, 2018: Friday 30 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "chaitri-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Caitri purnima (paraviddha), Hanumat jayanti, Oli ending (Jain)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-03-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-03-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Caitrī Pūrṇimā 2018 falls on Friday 30 March. Pūrṇimā runs from 11:05 on Fri 30 Mar to 09:37 on Sat 31 Mar and covers 43 of 48 minutes of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/sankashta-chaturthi?on=2018-04-03",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-04-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 42385,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-04-03T08:13:50-03:00",
          "utc": "2018-04-03T11:13:50Z",
          "ms": 1522754029994.8984
        },
        "end": {
          "local": "2018-04-04T09:02:47-03:00",
          "utc": "2018-04-04T12:02:47Z",
          "ms": 1522843367219.3318
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-04-03T08:13:50-03:00",
          "utc": "2018-04-03T11:13:50Z",
          "ms": 1522754029994.8984
        },
        "end": {
          "local": "2018-04-04T09:02:47-03:00",
          "utc": "2018-04-04T12:02:47Z",
          "ms": 1522843367219.3318
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2018-04-03",
          "window": {
            "start": {
              "local": "2018-04-03T20:03:05-03:00",
              "utc": "2018-04-03T23:03:05Z",
              "ms": 1522796585363.2998
            },
            "end": {
              "local": "2018-04-03T20:03:05-03:00",
              "utc": "2018-04-03T23:03:05Z",
              "ms": 1522796585363.2998
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2018-04-04",
          "window": {
            "start": {
              "local": "2018-04-04T20:49:13-03:00",
              "utc": "2018-04-04T23:49:13Z",
              "ms": 1522885752631.2249
            },
            "end": {
              "local": "2018-04-04T20:49:13-03:00",
              "utc": "2018-04-04T23:49:13Z",
              "ms": 1522885752631.2249
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 08:14 on Tue 3 Apr to 09:03 on Wed 4 Apr.",
          "fact": "2018-04-03T11:13:50Z → 2018-04-04T12:02:47Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:03 on the 3rd and 20:49 on the 4th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 3rd and is not on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 42385 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Recife, 2018: Tuesday 3 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-04-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-04-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Saṅkaṣṭa Caturthī 2018 falls on Tuesday 3 April. Caturthī runs from 08:14 on Tue 3 Apr to 09:03 on Wed 4 Apr and is current at moonrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/sankashta-chaturthi?on=2018-04-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/ekadashi?on=2018-04-11",
      "festival": "ekadashi",
      "name": "Varūthinī Ekādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-04-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20336,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2018-04-10T22:10:40-03:00",
          "utc": "2018-04-11T01:10:40Z",
          "ms": 1523409040078.2864
        },
        "end": {
          "local": "2018-04-11T23:43:11-03:00",
          "utc": "2018-04-12T02:43:11Z",
          "ms": 1523500990643.2297
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-04-10T22:10:40-03:00",
          "utc": "2018-04-11T01:10:40Z",
          "ms": 1523409040078.2864
        },
        "end": {
          "local": "2018-04-11T23:43:11-03:00",
          "utc": "2018-04-12T02:43:11Z",
          "ms": 1523500990643.2297
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-04-11",
          "window": {
            "start": {
              "local": "2018-04-11T05:22:10-03:00",
              "utc": "2018-04-11T08:22:10Z",
              "ms": 1523434930198.4338
            },
            "end": {
              "local": "2018-04-11T05:22:10-03:00",
              "utc": "2018-04-11T08:22:10Z",
              "ms": 1523434930198.4338
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2018-04-12",
          "window": {
            "start": {
              "local": "2018-04-12T05:22:07-03:00",
              "utc": "2018-04-12T08:22:07Z",
              "ms": 1523521327129.8096
            },
            "end": {
              "local": "2018-04-12T05:22:07-03:00",
              "utc": "2018-04-12T08:22:07Z",
              "ms": 1523521327129.8096
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 22:11 on Tue 10 Apr to 23:43 on Wed 11 Apr.",
          "fact": "2018-04-11T01:10:40Z → 2018-04-12T02:43:11Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:22 on the 11th and 05:22 on the 12th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 11th and is not on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 20336 s"
        },
        {
          "step": "ruling",
          "text": "Varūthinī Ekādaśī, Recife, 2018: Wednesday 11 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-04-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-04-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Varūthinī Ekādaśī 2018 falls on Wednesday 11 April. Ekādaśī runs from 22:11 on Tue 10 Apr to 23:43 on Wed 11 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/ekadashi?on=2018-04-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/vaishakhi",
      "festival": "vaishakhi",
      "name": "Vaiśākhī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-04-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20347,
      "anga": {
        "type": "sankranti",
        "index": 0,
        "key": "mesha",
        "name": "Meṣa",
        "start": {
          "local": "2018-04-13T23:42:55-03:00",
          "utc": "2018-04-14T02:42:55Z",
          "ms": 1523673774781.6465
        },
        "end": {
          "local": "2018-05-14T20:33:16-03:00",
          "utc": "2018-05-14T23:33:16Z",
          "ms": 1526340795624.5295
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2018-04-13T23:42:55-03:00",
          "utc": "2018-04-14T02:42:55Z",
          "ms": 1523673774781.6465
        },
        "end": {
          "local": "2018-04-13T23:42:55-03:00",
          "utc": "2018-04-14T02:42:55Z",
          "ms": 1523673774781.6465
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "2018-04-13",
          "window": {
            "start": {
              "local": "2018-04-13T05:22:04-03:00",
              "utc": "2018-04-13T08:22:04Z",
              "ms": 1523607724314.388
            },
            "end": {
              "local": "2018-04-14T05:22:02-03:00",
              "utc": "2018-04-14T08:22:02Z",
              "ms": 1523694121763.1702
            }
          },
          "covered_min": 1,
          "window_min": 1440,
          "qualifies": true
        },
        {
          "local_date": "2018-04-14",
          "window": {
            "start": {
              "local": "2018-04-14T05:22:02-03:00",
              "utc": "2018-04-14T08:22:02Z",
              "ms": 1523694121763.1702
            },
            "end": {
              "local": "2018-04-15T05:21:59-03:00",
              "utc": "2018-04-15T08:21:59Z",
              "ms": 1523780519486.1646
            }
          },
          "covered_min": 0,
          "window_min": 1440,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Meṣa at 23:43 on Fri 13 Apr.",
          "fact": "2018-04-14T02:42:55Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 05:22 on the 13th, and from 05:22 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 20347 s"
        },
        {
          "step": "ruling",
          "text": "Vaiśākhī, Recife, 2018: Friday 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": "2018-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2018-04-13",
          "statement": "Counted from midnight",
          "reference": {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        },
        {
          "kind": "reckoning",
          "id": "sunset-rule",
          "local_date": "2018-04-14",
          "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 Recife, Vaiśākhī 2018 falls on Friday 13 April. The Sun enters Meṣa at 23:43 on Fri 13 Apr, and the rule counts the day from sunrise. By the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 April.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/pradosha-vrata?on=2018-04-13",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-04-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20371,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-04-13T00:34:21-03:00",
          "utc": "2018-04-13T03:34:21Z",
          "ms": 1523590460980.756
        },
        "end": {
          "local": "2018-04-14T00:41:53-03:00",
          "utc": "2018-04-14T03:41:53Z",
          "ms": 1523677313001.8271
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-04-13T00:34:21-03:00",
          "utc": "2018-04-13T03:34:21Z",
          "ms": 1523590460980.756
        },
        "end": {
          "local": "2018-04-14T00:41:53-03:00",
          "utc": "2018-04-14T03:41:53Z",
          "ms": 1523677313001.8271
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-04-12",
          "window": {
            "start": {
              "local": "2018-04-12T17:18:20-03:00",
              "utc": "2018-04-12T20:18:20Z",
              "ms": 1523564300131.4749
            },
            "end": {
              "local": "2018-04-12T18:54:50-03:00",
              "utc": "2018-04-12T21:54:50Z",
              "ms": 1523570090022.53
            }
          },
          "covered_min": 0,
          "window_min": 96,
          "qualifies": false
        },
        {
          "local_date": "2018-04-13",
          "window": {
            "start": {
              "local": "2018-04-13T17:17:53-03:00",
              "utc": "2018-04-13T20:17:53Z",
              "ms": 1523650672590.5361
            },
            "end": {
              "local": "2018-04-13T18:54:26-03:00",
              "utc": "2018-04-13T21:54:26Z",
              "ms": 1523656465813.554
            }
          },
          "covered_min": 97,
          "window_min": 97,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 00:34 on Fri 13 Apr to 00:42 on Sat 14 Apr.",
          "fact": "2018-04-13T03:34:21Z → 2018-04-14T03:41:53Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:18–18:55 on the 12th, 17:18–18:54 on the 13th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 96 minutes on the 12th and 97 of 97 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 20371 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Recife, 2018: Friday 13 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-04-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Kṛṣṇa Pradoṣa Vrata 2018 falls on Friday 13 April. Trayodaśī runs from 00:34 on Fri 13 Apr to 00:42 on Sat 14 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/pradosha-vrata?on=2018-04-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/shivaratri?on=2018-04-14",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-04-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1443,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2018-04-14T00:41:53-03:00",
          "utc": "2018-04-14T03:41:53Z",
          "ms": 1523677313001.8271
        },
        "end": {
          "local": "2018-04-15T00:07:46-03:00",
          "utc": "2018-04-15T03:07:46Z",
          "ms": 1523761665861.241
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-04-14T00:41:53-03:00",
          "utc": "2018-04-14T03:41:53Z",
          "ms": 1523677313001.8271
        },
        "end": {
          "local": "2018-04-15T00:07:46-03:00",
          "utc": "2018-04-15T03:07:46Z",
          "ms": 1523761665861.241
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2018-04-13",
          "window": {
            "start": {
              "local": "2018-04-13T22:55:57-03:00",
              "utc": "2018-04-14T01:55:57Z",
              "ms": 1523670957176.853
            },
            "end": {
              "local": "2018-04-13T23:43:57-03:00",
              "utc": "2018-04-14T02:43:57Z",
              "ms": 1523673837176.853
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-04-14",
          "window": {
            "start": {
              "local": "2018-04-14T22:55:42-03:00",
              "utc": "2018-04-15T01:55:42Z",
              "ms": 1523757342471.8486
            },
            "end": {
              "local": "2018-04-14T23:43:42-03:00",
              "utc": "2018-04-15T02:43:42Z",
              "ms": 1523760222471.8486
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 00:42 on Sat 14 Apr to 00:08 on Sun 15 Apr.",
          "fact": "2018-04-14T03:41:53Z → 2018-04-15T03:07:46Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:56–23:44 on the 13th, 22:56–23:44 on the 14th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 1443 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Recife, 2018: Saturday 14 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": "2018-04-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-04-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śivarātri 2018 falls on Saturday 14 April. Caturdaśī runs from 00:42 on Sat 14 Apr to 00:08 on Sun 15 Apr and covers all of niśītha that night.",
      "cite": "https://ahargana.org/recife/festivals/2018/shivaratri?on=2018-04-14",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/parashurama-jayanti",
      "festival": "parashurama-jayanti",
      "name": "Paraśurāma Jayantī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-04-17",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 943,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2018-04-17T19:15:20-03:00",
          "utc": "2018-04-17T22:15:20Z",
          "ms": 1524003320050.7146
        },
        "end": {
          "local": "2018-04-18T16:59:58-03:00",
          "utc": "2018-04-18T19:59:58Z",
          "ms": 1524081598118.337
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-04-17T19:15:20-03:00",
          "utc": "2018-04-17T22:15:20Z",
          "ms": 1524003320050.7146
        },
        "end": {
          "local": "2018-04-18T16:59:58-03:00",
          "utc": "2018-04-18T19:59:58Z",
          "ms": 1524081598118.337
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-04-17",
          "window": {
            "start": {
              "local": "2018-04-17T17:16:07-03:00",
              "utc": "2018-04-17T20:16:07Z",
              "ms": 1523996166650.2153
            },
            "end": {
              "local": "2018-04-17T18:52:53-03:00",
              "utc": "2018-04-17T21:52:53Z",
              "ms": 1524001973014.9395
            }
          },
          "covered_min": 0,
          "window_min": 97,
          "qualifies": false
        },
        {
          "local_date": "2018-04-18",
          "window": {
            "start": {
              "local": "2018-04-18T17:15:41-03:00",
              "utc": "2018-04-18T20:15:41Z",
              "ms": 1524082541289.4392
            },
            "end": {
              "local": "2018-04-18T18:52:31-03:00",
              "utc": "2018-04-18T21:52:31Z",
              "ms": 1524088350889.1042
            }
          },
          "covered_min": 0,
          "window_min": 97,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 19:15 on Tue 17 Apr to 17:00 on Wed 18 Apr.",
          "fact": "2018-04-17T22:15:20Z → 2018-04-18T19:59:58Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:16–18:53 on the 17th, 17:16–18:53 on the 18th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pradoṣa. It covers 0 of 97 minutes on the 17th and 0 of 97 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Neither evening qualifies. The day the tithi falls on is taken.",
          "fact": "priority: paraviddha → tithi-day · margin 943 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Jayantī, Recife, 2018: Tuesday 17 April.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "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": "2018-04-17",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-04-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Paraśurāma Jayantī 2018 falls on Tuesday 17 April. Tṛtīyā runs from 19:15 on Tue 17 Apr to 17:00 on Wed 18 Apr, and reaches pradoṣa on neither day.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/akshaya-tritiya",
      "festival": "akshaya-tritiya",
      "name": "Akṣaya Tṛtīyā",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-04-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27608,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2018-04-17T19:15:20-03:00",
          "utc": "2018-04-17T22:15:20Z",
          "ms": 1524003320050.7146
        },
        "end": {
          "local": "2018-04-18T16:59:58-03:00",
          "utc": "2018-04-18T19:59:58Z",
          "ms": 1524081598118.337
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-04-17T19:15:20-03:00",
          "utc": "2018-04-17T22:15:20Z",
          "ms": 1524003320050.7146
        },
        "end": {
          "local": "2018-04-18T16:59:58-03:00",
          "utc": "2018-04-18T19:59:58Z",
          "ms": 1524081598118.337
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2018-04-17",
          "window": {
            "start": {
              "local": "2018-04-17T05:21:56-03:00",
              "utc": "2018-04-17T08:21:56Z",
              "ms": 1523953315789.7363
            },
            "end": {
              "local": "2018-04-17T09:19:59-03:00",
              "utc": "2018-04-17T12:19:59Z",
              "ms": 1523967599409.896
            }
          },
          "covered_min": 0,
          "window_min": 238,
          "qualifies": false
        },
        {
          "local_date": "2018-04-18",
          "window": {
            "start": {
              "local": "2018-04-18T05:21:54-03:00",
              "utc": "2018-04-18T08:21:54Z",
              "ms": 1524039714385.6465
            },
            "end": {
              "local": "2018-04-18T09:19:50-03:00",
              "utc": "2018-04-18T12:19:50Z",
              "ms": 1524053990020.2441
            }
          },
          "covered_min": 238,
          "window_min": 238,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 19:15 on Tue 17 Apr to 17:00 on Wed 18 Apr.",
          "fact": "2018-04-17T22:15:20Z → 2018-04-18T19:59:58Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:22–09:20 on the 17th, 05:22–09:20 on the 18th.",
          "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 238 minutes on the 17th and 238 of 238 on the 18th.",
          "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 27608 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Tṛtīyā, Recife, 2018: Wednesday 18 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "akshaya-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)."
          }
        ],
        "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.",
        "kaala": "purvahna",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-04-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-04-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Akṣaya Tṛtīyā 2018 falls on Wednesday 18 April. Tṛtīyā runs from 19:15 on Tue 17 Apr to 17:00 on Wed 18 Apr and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/vinayaka-chaturthi?on=2018-04-19",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-04-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10532,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-04-18T16:59:58-03:00",
          "utc": "2018-04-18T19:59:58Z",
          "ms": 1524081598118.337
        },
        "end": {
          "local": "2018-04-19T14:38:07-03:00",
          "utc": "2018-04-19T17:38:07Z",
          "ms": 1524159487259.8992
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-04-18T16:59:58-03:00",
          "utc": "2018-04-18T19:59:58Z",
          "ms": 1524081598118.337
        },
        "end": {
          "local": "2018-04-19T14:38:07-03:00",
          "utc": "2018-04-19T17:38:07Z",
          "ms": 1524159487259.8992
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-04-18",
          "window": {
            "start": {
              "local": "2018-04-18T10:54:48-03:00",
              "utc": "2018-04-18T13:54:48Z",
              "ms": 1524059687837.543
            },
            "end": {
              "local": "2018-04-18T11:42:48-03:00",
              "utc": "2018-04-18T14:42:48Z",
              "ms": 1524062567837.543
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-04-19",
          "window": {
            "start": {
              "local": "2018-04-19T10:54:35-03:00",
              "utc": "2018-04-19T13:54:35Z",
              "ms": 1524146074845.538
            },
            "end": {
              "local": "2018-04-19T11:42:35-03:00",
              "utc": "2018-04-19T14:42:35Z",
              "ms": 1524148954845.538
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 17:00 on Wed 18 Apr to 14:38 on Thu 19 Apr.",
          "fact": "2018-04-18T19:59:58Z → 2018-04-19T17:38:07Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:55–11:43 on the 18th, 10:55–11:43 on the 19th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 10532 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Recife, 2018: Thursday 19 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-04-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-04-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Vināyaka Caturthī 2018 falls on Thursday 19 April. Caturthī runs from 17:00 on Wed 18 Apr to 14:38 on Thu 19 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/vinayaka-chaturthi?on=2018-04-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/shankara-jayanti",
      "festival": "shankara-jayanti",
      "name": "Śaṅkara Jayantī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-04-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2010,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2018-04-19T14:38:07-03:00",
          "utc": "2018-04-19T17:38:07Z",
          "ms": 1524159487259.8992
        },
        "end": {
          "local": "2018-04-20T12:15:52-03:00",
          "utc": "2018-04-20T15:15:52Z",
          "ms": 1524237351761.3696
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-04-19T14:38:07-03:00",
          "utc": "2018-04-19T17:38:07Z",
          "ms": 1524159487259.8992
        },
        "end": {
          "local": "2018-04-20T12:15:52-03:00",
          "utc": "2018-04-20T15:15:52Z",
          "ms": 1524237351761.3696
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-04-19",
          "window": {
            "start": {
              "local": "2018-04-19T10:54:35-03:00",
              "utc": "2018-04-19T13:54:35Z",
              "ms": 1524146074845.538
            },
            "end": {
              "local": "2018-04-19T11:42:35-03:00",
              "utc": "2018-04-19T14:42:35Z",
              "ms": 1524148954845.538
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-04-20",
          "window": {
            "start": {
              "local": "2018-04-20T10:54:22-03:00",
              "utc": "2018-04-20T13:54:22Z",
              "ms": 1524232462253.8093
            },
            "end": {
              "local": "2018-04-20T11:42:22-03:00",
              "utc": "2018-04-20T14:42:22Z",
              "ms": 1524235342253.8093
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 14:38 on Thu 19 Apr to 12:16 on Fri 20 Apr.",
          "fact": "2018-04-19T17:38:07Z → 2018-04-20T15:15:52Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:55–11:43 on the 19th, 10:54–11:42 on the 20th.",
          "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 19th and 48 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2010 s"
        },
        {
          "step": "ruling",
          "text": "Śaṅkara Jayantī, Recife, 2018: Friday 20 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shankara-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sankara jayanti."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-04-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-04-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śaṅkara Jayantī 2018 falls on Friday 20 April. Pañcamī runs from 14:38 on Thu 19 Apr to 12:16 on Fri 20 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/gangotpatti",
      "festival": "gangotpatti",
      "name": "Gaṅgotpatti",
      "everyday": "Ganga Saptami",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-04-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3378,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2018-04-21T09:57:52-03:00",
          "utc": "2018-04-21T12:57:52Z",
          "ms": 1524315472092.0146
        },
        "end": {
          "local": "2018-04-22T07:47:22-03:00",
          "utc": "2018-04-22T10:47:22Z",
          "ms": 1524394042025.2275
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-04-21T09:57:52-03:00",
          "utc": "2018-04-21T12:57:52Z",
          "ms": 1524315472092.0146
        },
        "end": {
          "local": "2018-04-22T07:47:22-03:00",
          "utc": "2018-04-22T10:47:22Z",
          "ms": 1524394042025.2275
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-04-21",
          "window": {
            "start": {
              "local": "2018-04-21T10:54:10-03:00",
              "utc": "2018-04-21T13:54:10Z",
              "ms": 1524318850072.5781
            },
            "end": {
              "local": "2018-04-21T11:42:10-03:00",
              "utc": "2018-04-21T14:42:10Z",
              "ms": 1524321730072.5781
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-04-22",
          "window": {
            "start": {
              "local": "2018-04-22T10:53:58-03:00",
              "utc": "2018-04-22T13:53:58Z",
              "ms": 1524405238312.6602
            },
            "end": {
              "local": "2018-04-22T11:41:58-03:00",
              "utc": "2018-04-22T14:41:58Z",
              "ms": 1524408118312.6602
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 09:58 on Sat 21 Apr to 07:47 on Sun 22 Apr.",
          "fact": "2018-04-21T12:57:52Z → 2018-04-22T10:47:22Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:54–11:42 on the 21st, 10:54–11:42 on the 22nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 21st and 0 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 3378 s"
        },
        {
          "step": "ruling",
          "text": "Gaṅgotpatti, Recife, 2018: Saturday 21 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "gangotpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-04-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-04-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Gaṅgotpatti (Ganga Saptami) 2018 falls on Saturday 21 April. Saptamī runs from 09:58 on Sat 21 Apr to 07:47 on Sun 22 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/ekadashi?on=2018-04-25",
      "festival": "ekadashi",
      "name": "Mohinī Ekādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-04-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11108,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2018-04-25T02:16:46-03:00",
          "utc": "2018-04-25T05:16:46Z",
          "ms": 1524633405949.3176
        },
        "end": {
          "local": "2018-04-26T00:50:07-03:00",
          "utc": "2018-04-26T03:50:07Z",
          "ms": 1524714606619.169
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-04-25T02:16:46-03:00",
          "utc": "2018-04-25T05:16:46Z",
          "ms": 1524633405949.3176
        },
        "end": {
          "local": "2018-04-26T00:50:07-03:00",
          "utc": "2018-04-26T03:50:07Z",
          "ms": 1524714606619.169
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-04-25",
          "window": {
            "start": {
              "local": "2018-04-25T05:21:54-03:00",
              "utc": "2018-04-25T08:21:54Z",
              "ms": 1524644513514.959
            },
            "end": {
              "local": "2018-04-25T05:21:54-03:00",
              "utc": "2018-04-25T08:21:54Z",
              "ms": 1524644513514.959
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2018-04-26",
          "window": {
            "start": {
              "local": "2018-04-26T05:21:55-03:00",
              "utc": "2018-04-26T08:21:55Z",
              "ms": 1524730914769.5479
            },
            "end": {
              "local": "2018-04-26T05:21:55-03:00",
              "utc": "2018-04-26T08:21:55Z",
              "ms": 1524730914769.5479
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 02:17 on Wed 25 Apr to 00:50 on Thu 26 Apr.",
          "fact": "2018-04-25T05:16:46Z → 2018-04-26T03:50:07Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:22 on the 25th and 05:22 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 11108 s"
        },
        {
          "step": "ruling",
          "text": "Mohinī Ekādaśī, Recife, 2018: Wednesday 25 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": "2018-04-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-04-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Mohinī Ekādaśī 2018 falls on Wednesday 25 April. Ekādaśī runs from 02:17 on Wed 25 Apr to 00:50 on Thu 26 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/ekadashi?on=2018-04-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/parashurama-dvadashi",
      "festival": "parashurama-dvadashi",
      "name": "Paraśurāma Dvādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-04-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36189,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2018-04-26T00:50:07-03:00",
          "utc": "2018-04-26T03:50:07Z",
          "ms": 1524714606619.169
        },
        "end": {
          "local": "2018-04-26T23:37:42-03:00",
          "utc": "2018-04-27T02:37:42Z",
          "ms": 1524796662078.6052
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-04-26T00:50:07-03:00",
          "utc": "2018-04-26T03:50:07Z",
          "ms": 1524714606619.169
        },
        "end": {
          "local": "2018-04-26T23:37:42-03:00",
          "utc": "2018-04-27T02:37:42Z",
          "ms": 1524796662078.6052
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-04-26",
          "window": {
            "start": {
              "local": "2018-04-26T10:53:16-03:00",
              "utc": "2018-04-26T13:53:16Z",
              "ms": 1524750795726.2324
            },
            "end": {
              "local": "2018-04-26T11:41:16-03:00",
              "utc": "2018-04-26T14:41:16Z",
              "ms": 1524753675726.2324
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-04-27",
          "window": {
            "start": {
              "local": "2018-04-27T10:53:06-03:00",
              "utc": "2018-04-27T13:53:06Z",
              "ms": 1524837186257.5798
            },
            "end": {
              "local": "2018-04-27T11:41:06-03:00",
              "utc": "2018-04-27T14:41:06Z",
              "ms": 1524840066257.5798
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 00:50 on Thu 26 Apr to 23:38 on Thu 26 Apr.",
          "fact": "2018-04-26T03:50:07Z → 2018-04-27T02:37:42Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:53–11:41 on the 26th, 10:53–11:41 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 36189 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Dvādaśī, Recife, 2018: Thursday 26 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "parashurama-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-04-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-04-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Paraśurāma Dvādaśī 2018 falls on Thursday 26 April. Dvādaśī runs from 00:50 on Thu 26 Apr to 23:38 on Thu 26 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/rukmini-dvadashi",
      "festival": "rukmini-dvadashi",
      "name": "Rukmiṇī Dvādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-04-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36189,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2018-04-26T00:50:07-03:00",
          "utc": "2018-04-26T03:50:07Z",
          "ms": 1524714606619.169
        },
        "end": {
          "local": "2018-04-26T23:37:42-03:00",
          "utc": "2018-04-27T02:37:42Z",
          "ms": 1524796662078.6052
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-04-26T00:50:07-03:00",
          "utc": "2018-04-26T03:50:07Z",
          "ms": 1524714606619.169
        },
        "end": {
          "local": "2018-04-26T23:37:42-03:00",
          "utc": "2018-04-27T02:37:42Z",
          "ms": 1524796662078.6052
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-04-26",
          "window": {
            "start": {
              "local": "2018-04-26T10:53:16-03:00",
              "utc": "2018-04-26T13:53:16Z",
              "ms": 1524750795726.2324
            },
            "end": {
              "local": "2018-04-26T11:41:16-03:00",
              "utc": "2018-04-26T14:41:16Z",
              "ms": 1524753675726.2324
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-04-27",
          "window": {
            "start": {
              "local": "2018-04-27T10:53:06-03:00",
              "utc": "2018-04-27T13:53:06Z",
              "ms": 1524837186257.5798
            },
            "end": {
              "local": "2018-04-27T11:41:06-03:00",
              "utc": "2018-04-27T14:41:06Z",
              "ms": 1524840066257.5798
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 00:50 on Thu 26 Apr to 23:38 on Thu 26 Apr.",
          "fact": "2018-04-26T03:50:07Z → 2018-04-27T02:37:42Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:53–11:41 on the 26th, 10:53–11:41 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 36189 s"
        },
        {
          "step": "ruling",
          "text": "Rukmiṇī Dvādaśī, Recife, 2018: Thursday 26 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rukmini-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-04-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-04-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Rukmiṇī Dvādaśī 2018 falls on Thursday 26 April. Dvādaśī runs from 00:50 on Thu 26 Apr to 23:38 on Thu 26 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/pradosha-vrata?on=2018-04-27",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-04-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13966,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-04-26T23:37:42-03:00",
          "utc": "2018-04-27T02:37:42Z",
          "ms": 1524796662078.6052
        },
        "end": {
          "local": "2018-04-27T22:42:20-03:00",
          "utc": "2018-04-28T01:42:20Z",
          "ms": 1524879739788.754
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-04-26T23:37:42-03:00",
          "utc": "2018-04-27T02:37:42Z",
          "ms": 1524796662078.6052
        },
        "end": {
          "local": "2018-04-27T22:42:20-03:00",
          "utc": "2018-04-28T01:42:20Z",
          "ms": 1524879739788.754
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-04-26",
          "window": {
            "start": {
              "local": "2018-04-26T17:12:37-03:00",
              "utc": "2018-04-26T20:12:37Z",
              "ms": 1524773556682.9167
            },
            "end": {
              "local": "2018-04-26T18:49:51-03:00",
              "utc": "2018-04-26T21:49:51Z",
              "ms": 1524779391311.588
            }
          },
          "covered_min": 0,
          "window_min": 97,
          "qualifies": false
        },
        {
          "local_date": "2018-04-27",
          "window": {
            "start": {
              "local": "2018-04-27T17:12:16-03:00",
              "utc": "2018-04-27T20:12:16Z",
              "ms": 1524859936117.2085
            },
            "end": {
              "local": "2018-04-27T18:49:34-03:00",
              "utc": "2018-04-27T21:49:34Z",
              "ms": 1524865773756.3167
            }
          },
          "covered_min": 97,
          "window_min": 97,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 23:38 on Thu 26 Apr to 22:42 on Fri 27 Apr.",
          "fact": "2018-04-27T02:37:42Z → 2018-04-28T01:42:20Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:13–18:50 on the 26th, 17:12–18:50 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 97 minutes on the 26th and 97 of 97 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 13966 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Recife, 2018: Friday 27 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-04-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-04-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śukla Pradoṣa Vrata 2018 falls on Friday 27 April. Trayodaśī runs from 23:38 on Thu 26 Apr to 22:42 on Fri 27 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/pradosha-vrata?on=2018-04-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/nrisimha-chaturdashi",
      "festival": "nrisimha-chaturdashi",
      "name": "Nṛsiṃha Caturdaśī",
      "everyday": "Narasimha Jayanti",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-04-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11907,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2018-04-27T22:42:20-03:00",
          "utc": "2018-04-28T01:42:20Z",
          "ms": 1524879739788.754
        },
        "end": {
          "local": "2018-04-28T22:07:43-03:00",
          "utc": "2018-04-29T01:07:43Z",
          "ms": 1524964063447.1272
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-04-27T22:42:20-03:00",
          "utc": "2018-04-28T01:42:20Z",
          "ms": 1524879739788.754
        },
        "end": {
          "local": "2018-04-28T22:07:43-03:00",
          "utc": "2018-04-29T01:07:43Z",
          "ms": 1524964063447.1272
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-04-27",
          "window": {
            "start": {
              "local": "2018-04-27T17:12:16-03:00",
              "utc": "2018-04-27T20:12:16Z",
              "ms": 1524859936117.2085
            },
            "end": {
              "local": "2018-04-27T18:49:34-03:00",
              "utc": "2018-04-27T21:49:34Z",
              "ms": 1524865773756.3167
            }
          },
          "covered_min": 0,
          "window_min": 97,
          "qualifies": false
        },
        {
          "local_date": "2018-04-28",
          "window": {
            "start": {
              "local": "2018-04-28T17:11:56-03:00",
              "utc": "2018-04-28T20:11:56Z",
              "ms": 1524946316162.8916
            },
            "end": {
              "local": "2018-04-28T18:49:17-03:00",
              "utc": "2018-04-28T21:49:17Z",
              "ms": 1524952156783.4795
            }
          },
          "covered_min": 97,
          "window_min": 97,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 22:42 on Fri 27 Apr to 22:08 on Sat 28 Apr.",
          "fact": "2018-04-28T01:42:20Z → 2018-04-29T01:07:43Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:12–18:50 on the 27th, 17:12–18:49 on the 28th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 97 minutes on the 27th and 97 of 97 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 11907 s"
        },
        {
          "step": "ruling",
          "text": "Nṛsiṃha Caturdaśī, Recife, 2018: Saturday 28 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "nrisimha-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 14 Nrsimha caturdasi (pradosa vyapini — if it occurs on two successive days, the second day is to be observed, special when combined with naksatra 'Svati', yoga 'Siddhi' and 'Saturday')."
          }
        ],
        "not_evaluated": "The row calls the day special with Svātī nakṣatra, Siddhi yoga and a Saturday; none is tested.",
        "kaala": "pradosha",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-04-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-04-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2018 falls on Saturday 28 April. Caturdaśī runs from 22:42 on Fri 27 Apr to 22:08 on Sat 28 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/buddha-purnima",
      "festival": "buddha-purnima",
      "name": "Buddha Pūrṇimā",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-04-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37042,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2018-04-28T22:07:43-03:00",
          "utc": "2018-04-29T01:07:43Z",
          "ms": 1524964063447.1272
        },
        "end": {
          "local": "2018-04-29T21:58:11-03:00",
          "utc": "2018-04-30T00:58:11Z",
          "ms": 1525049891091.6833
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-04-28T22:07:43-03:00",
          "utc": "2018-04-29T01:07:43Z",
          "ms": 1524964063447.1272
        },
        "end": {
          "local": "2018-04-29T21:58:11-03:00",
          "utc": "2018-04-30T00:58:11Z",
          "ms": 1525049891091.6833
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-04-28",
          "window": {
            "start": {
              "local": "2018-04-28T10:52:57-03:00",
              "utc": "2018-04-28T13:52:57Z",
              "ms": 1524923577286.706
            },
            "end": {
              "local": "2018-04-28T11:40:57-03:00",
              "utc": "2018-04-28T14:40:57Z",
              "ms": 1524926457286.706
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-04-29",
          "window": {
            "start": {
              "local": "2018-04-29T10:52:49-03:00",
              "utc": "2018-04-29T13:52:49Z",
              "ms": 1525009968826.5732
            },
            "end": {
              "local": "2018-04-29T11:40:49-03:00",
              "utc": "2018-04-29T14:40:49Z",
              "ms": 1525012848826.5732
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 22:08 on Sat 28 Apr to 21:58 on Sun 29 Apr.",
          "fact": "2018-04-29T01:07:43Z → 2018-04-30T00:58:11Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:53–11:41 on the 28th, 10:53–11:41 on the 29th.",
          "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 28th and 48 of 48 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 37042 s"
        },
        {
          "step": "ruling",
          "text": "Buddha Pūrṇimā, Recife, 2018: Sunday 29 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "buddha-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-04-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-04-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Buddha Pūrṇimā 2018 falls on Sunday 29 April. Pūrṇimā runs from 22:08 on Sat 28 Apr to 21:58 on Sun 29 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/sampat-gauri-vrata",
      "festival": "sampat-gauri-vrata",
      "name": "Sampat Gaurī Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-04-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37042,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2018-04-28T22:07:43-03:00",
          "utc": "2018-04-29T01:07:43Z",
          "ms": 1524964063447.1272
        },
        "end": {
          "local": "2018-04-29T21:58:11-03:00",
          "utc": "2018-04-30T00:58:11Z",
          "ms": 1525049891091.6833
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-04-28T22:07:43-03:00",
          "utc": "2018-04-29T01:07:43Z",
          "ms": 1524964063447.1272
        },
        "end": {
          "local": "2018-04-29T21:58:11-03:00",
          "utc": "2018-04-30T00:58:11Z",
          "ms": 1525049891091.6833
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-04-28",
          "window": {
            "start": {
              "local": "2018-04-28T10:52:57-03:00",
              "utc": "2018-04-28T13:52:57Z",
              "ms": 1524923577286.706
            },
            "end": {
              "local": "2018-04-28T11:40:57-03:00",
              "utc": "2018-04-28T14:40:57Z",
              "ms": 1524926457286.706
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-04-29",
          "window": {
            "start": {
              "local": "2018-04-29T10:52:49-03:00",
              "utc": "2018-04-29T13:52:49Z",
              "ms": 1525009968826.5732
            },
            "end": {
              "local": "2018-04-29T11:40:49-03:00",
              "utc": "2018-04-29T14:40:49Z",
              "ms": 1525012848826.5732
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 22:08 on Sat 28 Apr to 21:58 on Sun 29 Apr.",
          "fact": "2018-04-29T01:07:43Z → 2018-04-30T00:58:11Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:53–11:41 on the 28th, 10:53–11:41 on the 29th.",
          "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 28th and 48 of 48 on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 37042 s"
        },
        {
          "step": "ruling",
          "text": "Sampat Gaurī Vrata, Recife, 2018: Sunday 29 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sampat-gauri-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-04-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-04-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Sampat Gaurī Vrata 2018 falls on Sunday 29 April. Pūrṇimā runs from 22:08 on Sat 28 Apr to 21:58 on Sun 29 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/sankashta-chaturthi?on=2018-05-03",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-05-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18426,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-05-03T00:35:28-03:00",
          "utc": "2018-05-03T03:35:28Z",
          "ms": 1525318527916.3647
        },
        "end": {
          "local": "2018-05-04T02:31:45-03:00",
          "utc": "2018-05-04T05:31:45Z",
          "ms": 1525411905219.4832
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-05-03T00:35:28-03:00",
          "utc": "2018-05-03T03:35:28Z",
          "ms": 1525318527916.3647
        },
        "end": {
          "local": "2018-05-04T02:31:45-03:00",
          "utc": "2018-05-04T05:31:45Z",
          "ms": 1525411905219.4832
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2018-05-02",
          "window": {
            "start": {
              "local": "2018-05-02T19:28:22-03:00",
              "utc": "2018-05-02T22:28:22Z",
              "ms": 1525300102162.441
            },
            "end": {
              "local": "2018-05-02T19:28:22-03:00",
              "utc": "2018-05-02T22:28:22Z",
              "ms": 1525300102162.441
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2018-05-03",
          "window": {
            "start": {
              "local": "2018-05-03T20:16:06-03:00",
              "utc": "2018-05-03T23:16:06Z",
              "ms": 1525389366285.0593
            },
            "end": {
              "local": "2018-05-03T20:16:06-03:00",
              "utc": "2018-05-03T23:16:06Z",
              "ms": 1525389366285.0593
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 00:35 on Thu 3 May to 02:32 on Fri 4 May.",
          "fact": "2018-05-03T03:35:28Z → 2018-05-04T05:31:45Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:28 on the 2nd and 20:16 on the 3rd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 2nd and is on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 18426 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Recife, 2018: Thursday 3 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-05-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-05-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Saṅkaṣṭa Caturthī 2018 falls on Thursday 3 May. Caturthī runs from 00:35 on Thu 3 May to 02:32 on Fri 4 May and is current at moonrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/sankashta-chaturthi?on=2018-05-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/ekadashi?on=2018-05-11",
      "festival": "ekadashi",
      "name": "Aparā Ekādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-05-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34529,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2018-05-10T14:58:25-03:00",
          "utc": "2018-05-10T17:58:25Z",
          "ms": 1525975104732.321
        },
        "end": {
          "local": "2018-05-11T15:11:56-03:00",
          "utc": "2018-05-11T18:11:56Z",
          "ms": 1526062316038.8489
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-05-10T14:58:25-03:00",
          "utc": "2018-05-10T17:58:25Z",
          "ms": 1525975104732.321
        },
        "end": {
          "local": "2018-05-11T15:11:56-03:00",
          "utc": "2018-05-11T18:11:56Z",
          "ms": 1526062316038.8489
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-05-10",
          "window": {
            "start": {
              "local": "2018-05-10T05:22:55-03:00",
              "utc": "2018-05-10T08:22:55Z",
              "ms": 1525940575274.197
            },
            "end": {
              "local": "2018-05-10T05:22:55-03:00",
              "utc": "2018-05-10T08:22:55Z",
              "ms": 1525940575274.197
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2018-05-11",
          "window": {
            "start": {
              "local": "2018-05-11T05:23:03-03:00",
              "utc": "2018-05-11T08:23:03Z",
              "ms": 1526026982843.0657
            },
            "end": {
              "local": "2018-05-11T05:23:03-03:00",
              "utc": "2018-05-11T08:23:03Z",
              "ms": 1526026982843.0657
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 14:58 on Thu 10 May to 15:12 on Fri 11 May.",
          "fact": "2018-05-10T17:58:25Z → 2018-05-11T18:11:56Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:23 on the 10th and 05:23 on the 11th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 10th and is on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 34529 s"
        },
        {
          "step": "ruling",
          "text": "Aparā Ekādaśī, Recife, 2018: Friday 11 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-05-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-05-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Aparā Ekādaśī 2018 falls on Friday 11 May. Ekādaśī runs from 14:58 on Thu 10 May to 15:12 on Fri 11 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/ekadashi?on=2018-05-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/pradosha-vrata?on=2018-05-12",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-05-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9109,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-05-12T14:36:39-03:00",
          "utc": "2018-05-12T17:36:39Z",
          "ms": 1526146599072.2808
        },
        "end": {
          "local": "2018-05-13T13:16:06-03:00",
          "utc": "2018-05-13T16:16:06Z",
          "ms": 1526228165893.2778
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-05-12T14:36:39-03:00",
          "utc": "2018-05-12T17:36:39Z",
          "ms": 1526146599072.2808
        },
        "end": {
          "local": "2018-05-13T13:16:06-03:00",
          "utc": "2018-05-13T16:16:06Z",
          "ms": 1526228165893.2778
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-05-12",
          "window": {
            "start": {
              "local": "2018-05-12T17:08:28-03:00",
              "utc": "2018-05-12T20:08:28Z",
              "ms": 1526155708325.7407
            },
            "end": {
              "local": "2018-05-12T18:46:27-03:00",
              "utc": "2018-05-12T21:46:27Z",
              "ms": 1526161587117.45
            }
          },
          "covered_min": 98,
          "window_min": 98,
          "qualifies": true
        },
        {
          "local_date": "2018-05-13",
          "window": {
            "start": {
              "local": "2018-05-13T17:08:19-03:00",
              "utc": "2018-05-13T20:08:19Z",
              "ms": 1526242098938.3018
            },
            "end": {
              "local": "2018-05-13T18:46:20-03:00",
              "utc": "2018-05-13T21:46:20Z",
              "ms": 1526247980159.9104
            }
          },
          "covered_min": 0,
          "window_min": 98,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 14:37 on Sat 12 May to 13:16 on Sun 13 May.",
          "fact": "2018-05-12T17:36:39Z → 2018-05-13T16:16:06Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:08–18:46 on the 12th, 17:08–18:46 on the 13th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 98 of 98 minutes on the 12th and 0 of 98 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 9109 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Recife, 2018: Saturday 12 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-05-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-05-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Kṛṣṇa Pradoṣa Vrata 2018 falls on Saturday 12 May. Trayodaśī runs from 14:37 on Sat 12 May to 13:16 on Sun 13 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/pradosha-vrata?on=2018-05-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/shivaratri?on=2018-05-13",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-05-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34548,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2018-05-13T13:16:06-03:00",
          "utc": "2018-05-13T16:16:06Z",
          "ms": 1526228165893.2778
        },
        "end": {
          "local": "2018-05-14T11:16:56-03:00",
          "utc": "2018-05-14T14:16:56Z",
          "ms": 1526307416468.5112
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-05-13T13:16:06-03:00",
          "utc": "2018-05-13T16:16:06Z",
          "ms": 1526228165893.2778
        },
        "end": {
          "local": "2018-05-14T11:16:56-03:00",
          "utc": "2018-05-14T14:16:56Z",
          "ms": 1526307416468.5112
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2018-05-13",
          "window": {
            "start": {
              "local": "2018-05-13T22:51:54-03:00",
              "utc": "2018-05-14T01:51:54Z",
              "ms": 1526262713519.3345
            },
            "end": {
              "local": "2018-05-13T23:39:54-03:00",
              "utc": "2018-05-14T02:39:54Z",
              "ms": 1526265593519.3345
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-05-14",
          "window": {
            "start": {
              "local": "2018-05-14T22:51:54-03:00",
              "utc": "2018-05-15T01:51:54Z",
              "ms": 1526349113819.6045
            },
            "end": {
              "local": "2018-05-14T23:39:54-03:00",
              "utc": "2018-05-15T02:39:54Z",
              "ms": 1526351993819.6045
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 13:16 on Sun 13 May to 11:17 on Mon 14 May.",
          "fact": "2018-05-13T16:16:06Z → 2018-05-14T14:16:56Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:52–23:40 on the 13th, 22:52–23:40 on the 14th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 34548 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Recife, 2018: Sunday 13 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-05-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-05-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śivarātri 2018 falls on Sunday 13 May. Caturdaśī runs from 13:16 on Sun 13 May to 11:17 on Mon 14 May and covers all of niśītha that night.",
      "cite": "https://ahargana.org/recife/festivals/2018/shivaratri?on=2018-05-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/vinayaka-chaturthi?on=2018-05-18",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-05-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33495,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-05-17T23:54:46-03:00",
          "utc": "2018-05-18T02:54:46Z",
          "ms": 1526612085731.9487
        },
        "end": {
          "local": "2018-05-18T20:58:10-03:00",
          "utc": "2018-05-18T23:58:10Z",
          "ms": 1526687890487.199
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": true,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-05-17T23:54:46-03:00",
          "utc": "2018-05-18T02:54:46Z",
          "ms": 1526612085731.9487
        },
        "end": {
          "local": "2018-05-18T20:58:10-03:00",
          "utc": "2018-05-18T23:58:10Z",
          "ms": 1526687890487.199
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-05-17",
          "window": {
            "start": {
              "local": "2018-05-17T10:51:53-03:00",
              "utc": "2018-05-17T13:51:53Z",
              "ms": 1526565112903.4106
            },
            "end": {
              "local": "2018-05-17T11:39:53-03:00",
              "utc": "2018-05-17T14:39:53Z",
              "ms": 1526567992903.4106
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-05-18",
          "window": {
            "start": {
              "local": "2018-05-18T10:51:55-03:00",
              "utc": "2018-05-18T13:51:55Z",
              "ms": 1526651515245.1133
            },
            "end": {
              "local": "2018-05-18T11:39:55-03:00",
              "utc": "2018-05-18T14:39:55Z",
              "ms": 1526654395245.1133
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:55 on Thu 17 May to 20:58 on Fri 18 May.",
          "fact": "2018-05-18T02:54:46Z → 2018-05-18T23:58:10Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:52–11:40 on the 17th, 10:52–11:40 on the 18th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 33495 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Recife, 2018: Friday 18 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-05-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-05-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Vināyaka Caturthī 2018 falls on Friday 18 May. Caturthī runs from 23:55 on Thu 17 May to 20:58 on Fri 18 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/vinayaka-chaturthi?on=2018-05-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/ekadashi?on=2018-05-25",
      "festival": "ekadashi",
      "name": "Śukla Ekādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-05-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13929,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2018-05-24T09:48:27-03:00",
          "utc": "2018-05-24T12:48:27Z",
          "ms": 1527166106521.2537
        },
        "end": {
          "local": "2018-05-25T09:17:38-03:00",
          "utc": "2018-05-25T12:17:38Z",
          "ms": 1527250658156.223
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": true,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-05-24T09:48:27-03:00",
          "utc": "2018-05-24T12:48:27Z",
          "ms": 1527166106521.2537
        },
        "end": {
          "local": "2018-05-25T09:17:38-03:00",
          "utc": "2018-05-25T12:17:38Z",
          "ms": 1527250658156.223
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-05-24",
          "window": {
            "start": {
              "local": "2018-05-24T05:25:17-03:00",
              "utc": "2018-05-24T08:25:17Z",
              "ms": 1527150316589.0117
            },
            "end": {
              "local": "2018-05-24T05:25:17-03:00",
              "utc": "2018-05-24T08:25:17Z",
              "ms": 1527150316589.0117
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2018-05-25",
          "window": {
            "start": {
              "local": "2018-05-25T05:25:29-03:00",
              "utc": "2018-05-25T08:25:29Z",
              "ms": 1527236729162.2776
            },
            "end": {
              "local": "2018-05-25T05:25:29-03:00",
              "utc": "2018-05-25T08:25:29Z",
              "ms": 1527236729162.2776
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 09:48 on Thu 24 May to 09:18 on Fri 25 May.",
          "fact": "2018-05-24T12:48:27Z → 2018-05-25T12:17:38Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:25 on the 24th and 05:25 on the 25th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 24th and is on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 13929 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Ekādaśī, Recife, 2018: Friday 25 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-05-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-05-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śukla Ekādaśī 2018 falls on Friday 25 May. Ekādaśī runs from 09:48 on Thu 24 May to 09:18 on Fri 25 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/ekadashi?on=2018-05-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/pradosha-vrata?on=2018-05-26",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-05-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27567,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-05-26T09:10:36-03:00",
          "utc": "2018-05-26T12:10:36Z",
          "ms": 1527336636271.299
        },
        "end": {
          "local": "2018-05-27T09:27:57-03:00",
          "utc": "2018-05-27T12:27:57Z",
          "ms": 1527424077088.1523
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": true,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-05-26T09:10:36-03:00",
          "utc": "2018-05-26T12:10:36Z",
          "ms": 1527336636271.299
        },
        "end": {
          "local": "2018-05-27T09:27:57-03:00",
          "utc": "2018-05-27T12:27:57Z",
          "ms": 1527424077088.1523
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-05-26",
          "window": {
            "start": {
              "local": "2018-05-26T17:07:23-03:00",
              "utc": "2018-05-26T20:07:23Z",
              "ms": 1527365243092.578
            },
            "end": {
              "local": "2018-05-26T18:45:51-03:00",
              "utc": "2018-05-26T21:45:51Z",
              "ms": 1527371151359.2244
            }
          },
          "covered_min": 98,
          "window_min": 98,
          "qualifies": true
        },
        {
          "local_date": "2018-05-27",
          "window": {
            "start": {
              "local": "2018-05-27T17:07:24-03:00",
              "utc": "2018-05-27T20:07:24Z",
              "ms": 1527451643714.8147
            },
            "end": {
              "local": "2018-05-27T18:45:54-03:00",
              "utc": "2018-05-27T21:45:54Z",
              "ms": 1527457553676.2163
            }
          },
          "covered_min": 0,
          "window_min": 98,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 09:11 on Sat 26 May to 09:28 on Sun 27 May.",
          "fact": "2018-05-26T12:10:36Z → 2018-05-27T12:27:57Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:07–18:46 on the 26th, 17:07–18:46 on the 27th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 98 of 98 minutes on the 26th and 0 of 98 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 27567 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Recife, 2018: Saturday 26 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-05-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-05-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śukla Pradoṣa Vrata 2018 falls on Saturday 26 May. Trayodaśī runs from 09:11 on Sat 26 May to 09:28 on Sun 27 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/pradosha-vrata?on=2018-05-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/sankashta-chaturthi?on=2018-06-01",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-06-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2862,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-06-01T17:14:47-03:00",
          "utc": "2018-06-01T20:14:47Z",
          "ms": 1527884086632.2168
        },
        "end": {
          "local": "2018-06-02T19:47:43-03:00",
          "utc": "2018-06-02T22:47:43Z",
          "ms": 1527979663328.832
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": true,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-06-01T17:14:47-03:00",
          "utc": "2018-06-01T20:14:47Z",
          "ms": 1527884086632.2168
        },
        "end": {
          "local": "2018-06-02T19:47:43-03:00",
          "utc": "2018-06-02T22:47:43Z",
          "ms": 1527979663328.832
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2018-06-01",
          "window": {
            "start": {
              "local": "2018-06-01T19:46:54-03:00",
              "utc": "2018-06-01T22:46:54Z",
              "ms": 1527893213894.0535
            },
            "end": {
              "local": "2018-06-01T19:46:54-03:00",
              "utc": "2018-06-01T22:46:54Z",
              "ms": 1527893213894.0535
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2018-06-02",
          "window": {
            "start": {
              "local": "2018-06-02T20:35:26-03:00",
              "utc": "2018-06-02T23:35:26Z",
              "ms": 1527982525793.902
            },
            "end": {
              "local": "2018-06-02T20:35:26-03:00",
              "utc": "2018-06-02T23:35:26Z",
              "ms": 1527982525793.902
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 17:15 on Fri 1 Jun to 19:48 on Sat 2 Jun.",
          "fact": "2018-06-01T20:14:47Z → 2018-06-02T22:47:43Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:47 on the 1st and 20:35 on the 2nd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 1st and is not on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2862 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Recife, 2018: Friday 1 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-06-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-06-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Saṅkaṣṭa Caturthī 2018 falls on Friday 1 June. Caturthī runs from 17:15 on Fri 1 Jun to 19:48 on Sat 2 Jun and is current at moonrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/sankashta-chaturthi?on=2018-06-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/ekadashi?on=2018-06-09",
      "festival": "ekadashi",
      "name": "Kṛṣṇa Ekādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-06-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3596,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2018-06-09T04:29:06-03:00",
          "utc": "2018-06-09T07:29:06Z",
          "ms": 1528529346079.7083
        },
        "end": {
          "local": "2018-06-10T03:24:38-03:00",
          "utc": "2018-06-10T06:24:38Z",
          "ms": 1528611878464.843
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": true,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-06-09T04:29:06-03:00",
          "utc": "2018-06-09T07:29:06Z",
          "ms": 1528529346079.7083
        },
        "end": {
          "local": "2018-06-10T03:24:38-03:00",
          "utc": "2018-06-10T06:24:38Z",
          "ms": 1528611878464.843
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-06-09",
          "window": {
            "start": {
              "local": "2018-06-09T05:29:02-03:00",
              "utc": "2018-06-09T08:29:02Z",
              "ms": 1528532941734.7056
            },
            "end": {
              "local": "2018-06-09T05:29:02-03:00",
              "utc": "2018-06-09T08:29:02Z",
              "ms": 1528532941734.7056
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2018-06-10",
          "window": {
            "start": {
              "local": "2018-06-10T05:29:17-03:00",
              "utc": "2018-06-10T08:29:17Z",
              "ms": 1528619356728.1206
            },
            "end": {
              "local": "2018-06-10T05:29:17-03:00",
              "utc": "2018-06-10T08:29:17Z",
              "ms": 1528619356728.1206
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 04:29 on Sat 9 Jun to 03:25 on Sun 10 Jun.",
          "fact": "2018-06-09T07:29:06Z → 2018-06-10T06:24:38Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:29 on the 9th and 05:29 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 3596 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Ekādaśī, Recife, 2018: Saturday 9 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-06-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-06-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Kṛṣṇa Ekādaśī 2018 falls on Saturday 9 June. Ekādaśī runs from 04:29 on Sat 9 Jun to 03:25 on Sun 10 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/ekadashi?on=2018-06-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/pradosha-vrata?on=2018-06-11",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-06-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15398,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-06-11T01:34:03-03:00",
          "utc": "2018-06-11T04:34:03Z",
          "ms": 1528691642564.8875
        },
        "end": {
          "local": "2018-06-11T23:04:15-03:00",
          "utc": "2018-06-12T02:04:15Z",
          "ms": 1528769054661.7236
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": true,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-06-11T01:34:03-03:00",
          "utc": "2018-06-11T04:34:03Z",
          "ms": 1528691642564.8875
        },
        "end": {
          "local": "2018-06-11T23:04:15-03:00",
          "utc": "2018-06-12T02:04:15Z",
          "ms": 1528769054661.7236
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-06-10",
          "window": {
            "start": {
              "local": "2018-06-10T17:08:39-03:00",
              "utc": "2018-06-10T20:08:39Z",
              "ms": 1528661319135.5945
            },
            "end": {
              "local": "2018-06-10T18:47:26-03:00",
              "utc": "2018-06-10T21:47:26Z",
              "ms": 1528667246144.6099
            }
          },
          "covered_min": 0,
          "window_min": 99,
          "qualifies": false
        },
        {
          "local_date": "2018-06-11",
          "window": {
            "start": {
              "local": "2018-06-11T17:08:49-03:00",
              "utc": "2018-06-11T20:08:49Z",
              "ms": 1528747728745.5332
            },
            "end": {
              "local": "2018-06-11T18:47:36-03:00",
              "utc": "2018-06-11T21:47:36Z",
              "ms": 1528753656463.905
            }
          },
          "covered_min": 99,
          "window_min": 99,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 01:34 on Mon 11 Jun to 23:04 on Mon 11 Jun.",
          "fact": "2018-06-11T04:34:03Z → 2018-06-12T02:04:15Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:09–18:47 on the 10th, 17:09–18:48 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 0 of 99 minutes on the 10th and 99 of 99 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 15398 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Recife, 2018: Monday 11 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-06-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-06-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Kṛṣṇa Pradoṣa Vrata 2018 falls on Monday 11 June. Trayodaśī runs from 01:34 on Mon 11 Jun to 23:04 on Mon 11 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/pradosha-vrata?on=2018-06-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/shivaratri?on=2018-06-11",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-06-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 537,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2018-06-11T23:04:15-03:00",
          "utc": "2018-06-12T02:04:15Z",
          "ms": 1528769054661.7236
        },
        "end": {
          "local": "2018-06-12T20:04:03-03:00",
          "utc": "2018-06-12T23:04:03Z",
          "ms": 1528844642944.9158
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": true,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-06-11T23:04:15-03:00",
          "utc": "2018-06-12T02:04:15Z",
          "ms": 1528769054661.7236
        },
        "end": {
          "local": "2018-06-12T20:04:03-03:00",
          "utc": "2018-06-12T23:04:03Z",
          "ms": 1528844642944.9158
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2018-06-11",
          "window": {
            "start": {
              "local": "2018-06-11T22:55:18-03:00",
              "utc": "2018-06-12T01:55:18Z",
              "ms": 1528768517689.4272
            },
            "end": {
              "local": "2018-06-11T23:43:18-03:00",
              "utc": "2018-06-12T02:43:18Z",
              "ms": 1528771397689.4272
            }
          },
          "covered_min": 39,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-06-12",
          "window": {
            "start": {
              "local": "2018-06-12T22:55:30-03:00",
              "utc": "2018-06-13T01:55:30Z",
              "ms": 1528854930153.665
            },
            "end": {
              "local": "2018-06-12T23:43:30-03:00",
              "utc": "2018-06-13T02:43:30Z",
              "ms": 1528857810153.665
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 23:04 on Mon 11 Jun to 20:04 on Tue 12 Jun.",
          "fact": "2018-06-12T02:04:15Z → 2018-06-12T23:04:03Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:55–23:43 on the 11th, 22:56–23:44 on the 12th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 39 of 48 minutes on the 11th and 0 of 48 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 537 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Recife, 2018: Monday 11 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": "2018-06-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-06-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śivarātri 2018 falls on Monday 11 June. Caturdaśī runs from 23:04 on Mon 11 Jun to 20:04 on Tue 12 Jun and covers 39 of 48 minutes of niśītha that night.",
      "cite": "https://ahargana.org/recife/festivals/2018/shivaratri?on=2018-06-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/rambha-tritiya",
      "festival": "rambha-tritiya",
      "name": "Rambhā Tṛtīyā",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-06-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4577,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2018-06-15T09:39:44-03:00",
          "utc": "2018-06-15T12:39:44Z",
          "ms": 1529066384343.3464
        },
        "end": {
          "local": "2018-06-16T06:16:03-03:00",
          "utc": "2018-06-16T09:16:03Z",
          "ms": 1529140563234.0725
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-06-15T09:39:44-03:00",
          "utc": "2018-06-15T12:39:44Z",
          "ms": 1529066384343.3464
        },
        "end": {
          "local": "2018-06-16T06:16:03-03:00",
          "utc": "2018-06-16T09:16:03Z",
          "ms": 1529140563234.0725
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-06-15",
          "window": {
            "start": {
              "local": "2018-06-15T10:56:01-03:00",
              "utc": "2018-06-15T13:56:01Z",
              "ms": 1529070961201.3672
            },
            "end": {
              "local": "2018-06-15T11:44:01-03:00",
              "utc": "2018-06-15T14:44:01Z",
              "ms": 1529073841201.3672
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-06-16",
          "window": {
            "start": {
              "local": "2018-06-16T10:56:14-03:00",
              "utc": "2018-06-16T13:56:14Z",
              "ms": 1529157374255.1997
            },
            "end": {
              "local": "2018-06-16T11:44:14-03:00",
              "utc": "2018-06-16T14:44:14Z",
              "ms": 1529160254255.1997
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 09:40 on Fri 15 Jun to 06:16 on Sat 16 Jun.",
          "fact": "2018-06-15T12:39:44Z → 2018-06-16T09:16:03Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:56–11:44 on the 15th, 10:56–11:44 on the 16th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 4577 s"
        },
        {
          "step": "ruling",
          "text": "Rambhā Tṛtīyā, Recife, 2018: Friday 15 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rambha-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Rambha trtiya (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-06-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-06-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Rambhā Tṛtīyā 2018 falls on Friday 15 June. Tṛtīyā runs from 09:40 on Fri 15 Jun to 06:16 on Sat 16 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/vinayaka-chaturthi?on=2018-06-16",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-06-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16811,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-06-16T06:16:03-03:00",
          "utc": "2018-06-16T09:16:03Z",
          "ms": 1529140563234.0725
        },
        "end": {
          "local": "2018-06-17T03:09:00-03:00",
          "utc": "2018-06-17T06:09:00Z",
          "ms": 1529215739864.1277
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-06-16T06:16:03-03:00",
          "utc": "2018-06-16T09:16:03Z",
          "ms": 1529140563234.0725
        },
        "end": {
          "local": "2018-06-17T03:09:00-03:00",
          "utc": "2018-06-17T06:09:00Z",
          "ms": 1529215739864.1277
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-06-16",
          "window": {
            "start": {
              "local": "2018-06-16T10:56:14-03:00",
              "utc": "2018-06-16T13:56:14Z",
              "ms": 1529157374255.1997
            },
            "end": {
              "local": "2018-06-16T11:44:14-03:00",
              "utc": "2018-06-16T14:44:14Z",
              "ms": 1529160254255.1997
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-06-17",
          "window": {
            "start": {
              "local": "2018-06-17T10:56:27-03:00",
              "utc": "2018-06-17T13:56:27Z",
              "ms": 1529243787375.459
            },
            "end": {
              "local": "2018-06-17T11:44:27-03:00",
              "utc": "2018-06-17T14:44:27Z",
              "ms": 1529246667375.459
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 06:16 on Sat 16 Jun to 03:09 on Sun 17 Jun.",
          "fact": "2018-06-16T09:16:03Z → 2018-06-17T06:09:00Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:56–11:44 on the 16th, 10:56–11:44 on the 17th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 16811 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Recife, 2018: Saturday 16 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": "2018-06-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-06-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Vināyaka Caturthī 2018 falls on Saturday 16 June. Caturthī runs from 06:16 on Sat 16 Jun to 03:09 on Sun 17 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/vinayaka-chaturthi?on=2018-06-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/aranya-gauri-vrata",
      "festival": "aranya-gauri-vrata",
      "name": "Araṇya Gaurī Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-06-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37574,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2018-06-18T00:25:29-03:00",
          "utc": "2018-06-18T03:25:29Z",
          "ms": 1529292329309.5022
        },
        "end": {
          "local": "2018-06-18T22:10:55-03:00",
          "utc": "2018-06-19T01:10:55Z",
          "ms": 1529370654756.836
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-06-18T00:25:29-03:00",
          "utc": "2018-06-18T03:25:29Z",
          "ms": 1529292329309.5022
        },
        "end": {
          "local": "2018-06-18T22:10:55-03:00",
          "utc": "2018-06-19T01:10:55Z",
          "ms": 1529370654756.836
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-06-17",
          "window": {
            "start": {
              "local": "2018-06-17T10:56:27-03:00",
              "utc": "2018-06-17T13:56:27Z",
              "ms": 1529243787375.459
            },
            "end": {
              "local": "2018-06-17T11:44:27-03:00",
              "utc": "2018-06-17T14:44:27Z",
              "ms": 1529246667375.459
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-06-18",
          "window": {
            "start": {
              "local": "2018-06-18T10:56:41-03:00",
              "utc": "2018-06-18T13:56:41Z",
              "ms": 1529330200534.9224
            },
            "end": {
              "local": "2018-06-18T11:44:41-03:00",
              "utc": "2018-06-18T14:44:41Z",
              "ms": 1529333080534.9224
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 00:25 on Mon 18 Jun to 22:11 on Mon 18 Jun.",
          "fact": "2018-06-18T03:25:29Z → 2018-06-19T01:10:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:56–11:44 on the 17th, 10:57–11:45 on the 18th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 37574 s"
        },
        {
          "step": "ruling",
          "text": "Araṇya Gaurī Vrata, Recife, 2018: Monday 18 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": "2018-06-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-06-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Araṇya Gaurī Vrata 2018 falls on Monday 18 June. Ṣaṣṭhī runs from 00:25 on Mon 18 Jun to 22:11 on Mon 18 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/skanda-shashthi-jyaishtha",
      "festival": "skanda-shashthi-jyaishtha",
      "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-06-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37574,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2018-06-18T00:25:29-03:00",
          "utc": "2018-06-18T03:25:29Z",
          "ms": 1529292329309.5022
        },
        "end": {
          "local": "2018-06-18T22:10:55-03:00",
          "utc": "2018-06-19T01:10:55Z",
          "ms": 1529370654756.836
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-06-18T00:25:29-03:00",
          "utc": "2018-06-18T03:25:29Z",
          "ms": 1529292329309.5022
        },
        "end": {
          "local": "2018-06-18T22:10:55-03:00",
          "utc": "2018-06-19T01:10:55Z",
          "ms": 1529370654756.836
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-06-17",
          "window": {
            "start": {
              "local": "2018-06-17T10:56:27-03:00",
              "utc": "2018-06-17T13:56:27Z",
              "ms": 1529243787375.459
            },
            "end": {
              "local": "2018-06-17T11:44:27-03:00",
              "utc": "2018-06-17T14:44:27Z",
              "ms": 1529246667375.459
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-06-18",
          "window": {
            "start": {
              "local": "2018-06-18T10:56:41-03:00",
              "utc": "2018-06-18T13:56:41Z",
              "ms": 1529330200534.9224
            },
            "end": {
              "local": "2018-06-18T11:44:41-03:00",
              "utc": "2018-06-18T14:44:41Z",
              "ms": 1529333080534.9224
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 00:25 on Mon 18 Jun to 22:11 on Mon 18 Jun.",
          "fact": "2018-06-18T03:25:29Z → 2018-06-19T01:10:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:56–11:44 on the 17th, 10:57–11:45 on the 18th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 37574 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Recife, 2018: Monday 18 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": "2018-06-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-06-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2018 falls on Monday 18 June. Ṣaṣṭhī runs from 00:25 on Mon 18 Jun to 22:11 on Mon 18 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/ekadashi?on=2018-06-23",
      "festival": "ekadashi",
      "name": "Nirjalā Ekādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-06-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36591,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2018-06-22T18:49:57-03:00",
          "utc": "2018-06-22T21:49:57Z",
          "ms": 1529704197153.8113
        },
        "end": {
          "local": "2018-06-23T19:22:41-03:00",
          "utc": "2018-06-23T22:22:41Z",
          "ms": 1529792561216.21
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-06-22T18:49:57-03:00",
          "utc": "2018-06-22T21:49:57Z",
          "ms": 1529704197153.8113
        },
        "end": {
          "local": "2018-06-23T19:22:41-03:00",
          "utc": "2018-06-23T22:22:41Z",
          "ms": 1529792561216.21
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-06-23",
          "window": {
            "start": {
              "local": "2018-06-23T05:32:20-03:00",
              "utc": "2018-06-23T08:32:20Z",
              "ms": 1529742739650.255
            },
            "end": {
              "local": "2018-06-23T05:32:20-03:00",
              "utc": "2018-06-23T08:32:20Z",
              "ms": 1529742739650.255
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2018-06-24",
          "window": {
            "start": {
              "local": "2018-06-24T05:32:32-03:00",
              "utc": "2018-06-24T08:32:32Z",
              "ms": 1529829151854.0754
            },
            "end": {
              "local": "2018-06-24T05:32:32-03:00",
              "utc": "2018-06-24T08:32:32Z",
              "ms": 1529829151854.0754
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 18:50 on Fri 22 Jun to 19:23 on Sat 23 Jun.",
          "fact": "2018-06-22T21:49:57Z → 2018-06-23T22:22:41Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:32 on the 23rd and 05:33 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 36591 s"
        },
        {
          "step": "ruling",
          "text": "Nirjalā Ekādaśī, Recife, 2018: Saturday 23 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-06-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-06-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Nirjalā Ekādaśī 2018 falls on Saturday 23 June. Ekādaśī runs from 18:50 on Fri 22 Jun to 19:23 on Sat 23 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/ekadashi?on=2018-06-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/shri-rama-dvadashi",
      "festival": "shri-rama-dvadashi",
      "name": "Śrī Rāma Dvādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-06-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27415,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2018-06-23T19:22:41-03:00",
          "utc": "2018-06-23T22:22:41Z",
          "ms": 1529792561216.21
        },
        "end": {
          "local": "2018-06-24T20:24:27-03:00",
          "utc": "2018-06-24T23:24:27Z",
          "ms": 1529882666970.2927
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-06-23T19:22:41-03:00",
          "utc": "2018-06-23T22:22:41Z",
          "ms": 1529792561216.21
        },
        "end": {
          "local": "2018-06-24T20:24:27-03:00",
          "utc": "2018-06-24T23:24:27Z",
          "ms": 1529882666970.2927
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-06-23",
          "window": {
            "start": {
              "local": "2018-06-23T10:57:46-03:00",
              "utc": "2018-06-23T13:57:46Z",
              "ms": 1529762266059.1763
            },
            "end": {
              "local": "2018-06-23T11:45:46-03:00",
              "utc": "2018-06-23T14:45:46Z",
              "ms": 1529765146059.1763
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-06-24",
          "window": {
            "start": {
              "local": "2018-06-24T10:57:59-03:00",
              "utc": "2018-06-24T13:57:59Z",
              "ms": 1529848678951.769
            },
            "end": {
              "local": "2018-06-24T11:45:59-03:00",
              "utc": "2018-06-24T14:45:59Z",
              "ms": 1529851558951.769
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 19:23 on Sat 23 Jun to 20:24 on Sun 24 Jun.",
          "fact": "2018-06-23T22:22:41Z → 2018-06-24T23:24:27Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:58–11:46 on the 23rd, 10:58–11:46 on the 24th.",
          "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 23rd and 48 of 48 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 27415 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Rāma Dvādaśī, Recife, 2018: Sunday 24 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shri-rama-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Sri Rama dvadasi (purvaviddha), Campaka dvadasi (Orissa) (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-06-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-06-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śrī Rāma Dvādaśī 2018 falls on Sunday 24 June. Dvādaśī runs from 19:23 on Sat 23 Jun to 20:24 on Sun 24 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/pradosha-vrata?on=2018-06-25",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-06-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5651,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-06-24T20:24:27-03:00",
          "utc": "2018-06-24T23:24:27Z",
          "ms": 1529882666970.2927
        },
        "end": {
          "local": "2018-06-25T21:52:18-03:00",
          "utc": "2018-06-26T00:52:18Z",
          "ms": 1529974338168.3127
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-06-24T20:24:27-03:00",
          "utc": "2018-06-24T23:24:27Z",
          "ms": 1529882666970.2927
        },
        "end": {
          "local": "2018-06-25T21:52:18-03:00",
          "utc": "2018-06-26T00:52:18Z",
          "ms": 1529974338168.3127
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-06-24",
          "window": {
            "start": {
              "local": "2018-06-24T17:11:26-03:00",
              "utc": "2018-06-24T20:11:26Z",
              "ms": 1529871086049.463
            },
            "end": {
              "local": "2018-06-24T18:50:16-03:00",
              "utc": "2018-06-24T21:50:16Z",
              "ms": 1529877016399.7327
            }
          },
          "covered_min": 0,
          "window_min": 99,
          "qualifies": false
        },
        {
          "local_date": "2018-06-25",
          "window": {
            "start": {
              "local": "2018-06-25T17:11:40-03:00",
              "utc": "2018-06-25T20:11:40Z",
              "ms": 1529957499772.3933
            },
            "end": {
              "local": "2018-06-25T18:50:30-03:00",
              "utc": "2018-06-25T21:50:30Z",
              "ms": 1529963429815.8325
            }
          },
          "covered_min": 99,
          "window_min": 99,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 20:24 on Sun 24 Jun to 21:52 on Mon 25 Jun.",
          "fact": "2018-06-24T23:24:27Z → 2018-06-26T00:52:18Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:11–18:50 on the 24th, 17:12–18:50 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 99 minutes on the 24th and 99 of 99 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 5651 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Recife, 2018: Monday 25 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-06-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-06-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śukla Pradoṣa Vrata 2018 falls on Monday 25 June. Trayodaśī runs from 20:24 on Sun 24 Jun to 21:52 on Mon 25 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/pradosha-vrata?on=2018-06-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/vata-savitri-vrata",
      "festival": "vata-savitri-vrata",
      "name": "Vaṭa Sāvitrī Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-06-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17539,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2018-06-26T23:43:02-03:00",
          "utc": "2018-06-27T02:43:02Z",
          "ms": 1530067382433.2666
        },
        "end": {
          "local": "2018-06-28T01:52:58-03:00",
          "utc": "2018-06-28T04:52:58Z",
          "ms": 1530161578377.593
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-06-26T23:43:02-03:00",
          "utc": "2018-06-27T02:43:02Z",
          "ms": 1530067382433.2666
        },
        "end": {
          "local": "2018-06-28T01:52:58-03:00",
          "utc": "2018-06-28T04:52:58Z",
          "ms": 1530161578377.593
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-06-26",
          "window": {
            "start": {
              "local": "2018-06-26T17:11:54-03:00",
              "utc": "2018-06-26T20:11:54Z",
              "ms": 1530043913616.0085
            },
            "end": {
              "local": "2018-06-26T18:50:43-03:00",
              "utc": "2018-06-26T21:50:43Z",
              "ms": 1530049843280.5923
            }
          },
          "covered_min": 0,
          "window_min": 99,
          "qualifies": false
        },
        {
          "local_date": "2018-06-27",
          "window": {
            "start": {
              "local": "2018-06-27T17:12:08-03:00",
              "utc": "2018-06-27T20:12:08Z",
              "ms": 1530130327559.6072
            },
            "end": {
              "local": "2018-06-27T18:50:57-03:00",
              "utc": "2018-06-27T21:50:57Z",
              "ms": 1530136256773.6267
            }
          },
          "covered_min": 99,
          "window_min": 99,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 23:43 on Tue 26 Jun to 01:53 on Thu 28 Jun.",
          "fact": "2018-06-27T02:43:02Z → 2018-06-28T04:52:58Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:12–18:51 on the 26th, 17:12–18:51 on the 27th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 0 of 99 minutes on the 26th and 99 of 99 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 17539 s"
        },
        {
          "step": "ruling",
          "text": "Vaṭa Sāvitrī Vrata, Recife, 2018: Wednesday 27 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vata-savitri-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Vata-savitri vrata (Deccan) (pradosavyapini, purvaviddha), Snanayatra (Bengal & Orissa) (paraviddha)."
          }
        ],
        "kaala": "pradosha",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-06-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-06-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Vaṭa Sāvitrī Vrata 2018 falls on Wednesday 27 June. Pūrṇimā runs from 23:43 on Tue 26 Jun to 01:53 on Thu 28 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/sankashta-chaturthi?on=2018-07-01",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-07-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32586,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-07-01T09:24:57-03:00",
          "utc": "2018-07-01T12:24:57Z",
          "ms": 1530447896941.8135
        },
        "end": {
          "local": "2018-07-02T11:50:56-03:00",
          "utc": "2018-07-02T14:50:56Z",
          "ms": 1530543055888.0564
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-07-01T09:24:57-03:00",
          "utc": "2018-07-01T12:24:57Z",
          "ms": 1530447896941.8135
        },
        "end": {
          "local": "2018-07-02T11:50:56-03:00",
          "utc": "2018-07-02T14:50:56Z",
          "ms": 1530543055888.0564
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2018-07-01",
          "window": {
            "start": {
              "local": "2018-07-01T20:07:07-03:00",
              "utc": "2018-07-01T23:07:07Z",
              "ms": 1530486427381.383
            },
            "end": {
              "local": "2018-07-01T20:07:07-03:00",
              "utc": "2018-07-01T23:07:07Z",
              "ms": 1530486427381.383
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2018-07-02",
          "window": {
            "start": {
              "local": "2018-07-02T20:54:02-03:00",
              "utc": "2018-07-02T23:54:02Z",
              "ms": 1530575642045.6223
            },
            "end": {
              "local": "2018-07-02T20:54:02-03:00",
              "utc": "2018-07-02T23:54:02Z",
              "ms": 1530575642045.6223
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 09:25 on Sun 1 Jul to 11:51 on Mon 2 Jul.",
          "fact": "2018-07-01T12:24:57Z → 2018-07-02T14:50:56Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:07 on the 1st and 20:54 on the 2nd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 1st and is not on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 32586 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Recife, 2018: Sunday 1 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-07-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-07-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Saṅkaṣṭa Caturthī 2018 falls on Sunday 1 July. Caturthī runs from 09:25 on Sun 1 Jul to 11:51 on Mon 2 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/sankashta-chaturthi?on=2018-07-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/ekadashi?on=2018-07-09",
      "festival": "ekadashi",
      "name": "Yoginī Ekādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-07-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26560,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2018-07-08T15:00:55-03:00",
          "utc": "2018-07-08T18:00:55Z",
          "ms": 1531072855498.0898
        },
        "end": {
          "local": "2018-07-09T12:57:19-03:00",
          "utc": "2018-07-09T15:57:19Z",
          "ms": 1531151838736.3308
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-07-08T15:00:55-03:00",
          "utc": "2018-07-08T18:00:55Z",
          "ms": 1531072855498.0898
        },
        "end": {
          "local": "2018-07-09T12:57:19-03:00",
          "utc": "2018-07-09T15:57:19Z",
          "ms": 1531151838736.3308
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-07-08",
          "window": {
            "start": {
              "local": "2018-07-08T05:34:34-03:00",
              "utc": "2018-07-08T08:34:34Z",
              "ms": 1531038874449.1873
            },
            "end": {
              "local": "2018-07-08T05:34:34-03:00",
              "utc": "2018-07-08T08:34:34Z",
              "ms": 1531038874449.1873
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2018-07-09",
          "window": {
            "start": {
              "local": "2018-07-09T05:34:39-03:00",
              "utc": "2018-07-09T08:34:39Z",
              "ms": 1531125279083.4202
            },
            "end": {
              "local": "2018-07-09T05:34:39-03:00",
              "utc": "2018-07-09T08:34:39Z",
              "ms": 1531125279083.4202
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 15:01 on Sun 8 Jul to 12:57 on Mon 9 Jul.",
          "fact": "2018-07-08T18:00:55Z → 2018-07-09T15:57:19Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:35 on the 8th and 05:35 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 26560 s"
        },
        {
          "step": "ruling",
          "text": "Yoginī Ekādaśī, Recife, 2018: Monday 9 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-07-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-07-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Yoginī Ekādaśī 2018 falls on Monday 9 July. Ekādaśī runs from 15:01 on Sun 8 Jul to 12:57 on Mon 9 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/ekadashi?on=2018-07-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/pradosha-vrata?on=2018-07-10",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-07-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25161,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-07-10T10:15:48-03:00",
          "utc": "2018-07-10T13:15:48Z",
          "ms": 1531228547507.056
        },
        "end": {
          "local": "2018-07-11T07:04:15-03:00",
          "utc": "2018-07-11T10:04:15Z",
          "ms": 1531303455323.706
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-07-10T10:15:48-03:00",
          "utc": "2018-07-10T13:15:48Z",
          "ms": 1531228547507.056
        },
        "end": {
          "local": "2018-07-11T07:04:15-03:00",
          "utc": "2018-07-11T10:04:15Z",
          "ms": 1531303455323.706
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-07-10",
          "window": {
            "start": {
              "local": "2018-07-10T17:15:09-03:00",
              "utc": "2018-07-10T20:15:09Z",
              "ms": 1531253708633.3972
            },
            "end": {
              "local": "2018-07-10T18:53:46-03:00",
              "utc": "2018-07-10T21:53:46Z",
              "ms": 1531259625672.679
            }
          },
          "covered_min": 99,
          "window_min": 99,
          "qualifies": true
        },
        {
          "local_date": "2018-07-11",
          "window": {
            "start": {
              "local": "2018-07-11T17:15:22-03:00",
              "utc": "2018-07-11T20:15:22Z",
              "ms": 1531340121821.9526
            },
            "end": {
              "local": "2018-07-11T18:53:57-03:00",
              "utc": "2018-07-11T21:53:57Z",
              "ms": 1531346037459.5486
            }
          },
          "covered_min": 0,
          "window_min": 99,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 10:16 on Tue 10 Jul to 07:04 on Wed 11 Jul.",
          "fact": "2018-07-10T13:15:48Z → 2018-07-11T10:04:15Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:15–18:54 on the 10th, 17:15–18:54 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 99 of 99 minutes on the 10th and 0 of 99 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 25161 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Recife, 2018: Tuesday 10 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-07-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-07-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Kṛṣṇa Pradoṣa Vrata 2018 falls on Tuesday 10 July. Trayodaśī runs from 10:16 on Tue 10 Jul to 07:04 on Wed 11 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/pradosha-vrata?on=2018-07-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/shivaratri?on=2018-07-11",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-07-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13359,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2018-07-11T07:04:15-03:00",
          "utc": "2018-07-11T10:04:15Z",
          "ms": 1531303455323.706
        },
        "end": {
          "local": "2018-07-12T03:31:44-03:00",
          "utc": "2018-07-12T06:31:44Z",
          "ms": 1531377104262.4673
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-07-11T07:04:15-03:00",
          "utc": "2018-07-11T10:04:15Z",
          "ms": 1531303455323.706
        },
        "end": {
          "local": "2018-07-12T03:31:44-03:00",
          "utc": "2018-07-12T06:31:44Z",
          "ms": 1531377104262.4673
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2018-07-10",
          "window": {
            "start": {
              "local": "2018-07-10T23:00:58-03:00",
              "utc": "2018-07-11T02:00:58Z",
              "ms": 1531274457530.7036
            },
            "end": {
              "local": "2018-07-10T23:48:58-03:00",
              "utc": "2018-07-11T02:48:58Z",
              "ms": 1531277337530.7036
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-07-11",
          "window": {
            "start": {
              "local": "2018-07-11T23:01:05-03:00",
              "utc": "2018-07-12T02:01:05Z",
              "ms": 1531360865462.937
            },
            "end": {
              "local": "2018-07-11T23:49:05-03:00",
              "utc": "2018-07-12T02:49:05Z",
              "ms": 1531363745462.937
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 07:04 on Wed 11 Jul to 03:32 on Thu 12 Jul.",
          "fact": "2018-07-11T10:04:15Z → 2018-07-12T06:31:44Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:01–23:49 on the 10th, 23:01–23:49 on the 11th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 13359 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Recife, 2018: Wednesday 11 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-07-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-07-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śivarātri 2018 falls on Wednesday 11 July. Caturdaśī runs from 07:04 on Wed 11 Jul to 03:32 on Thu 12 Jul and covers all of niśītha that night.",
      "cite": "https://ahargana.org/recife/festivals/2018/shivaratri?on=2018-07-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/rathayatra",
      "festival": "rathayatra",
      "name": "Rathayātrā",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-07-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16543,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2018-07-13T20:02:27-03:00",
          "utc": "2018-07-13T23:02:27Z",
          "ms": 1531522947471.4346
        },
        "end": {
          "local": "2018-07-14T16:25:09-03:00",
          "utc": "2018-07-14T19:25:09Z",
          "ms": 1531596309112.2686
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-07-13T20:02:27-03:00",
          "utc": "2018-07-13T23:02:27Z",
          "ms": 1531522947471.4346
        },
        "end": {
          "local": "2018-07-14T16:25:09-03:00",
          "utc": "2018-07-14T19:25:09Z",
          "ms": 1531596309112.2686
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-07-13",
          "window": {
            "start": {
              "local": "2018-07-13T11:01:19-03:00",
              "utc": "2018-07-13T14:01:19Z",
              "ms": 1531490479307.731
            },
            "end": {
              "local": "2018-07-13T11:49:19-03:00",
              "utc": "2018-07-13T14:49:19Z",
              "ms": 1531493359307.731
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-07-14",
          "window": {
            "start": {
              "local": "2018-07-14T11:01:26-03:00",
              "utc": "2018-07-14T14:01:26Z",
              "ms": 1531576886181.123
            },
            "end": {
              "local": "2018-07-14T11:49:26-03:00",
              "utc": "2018-07-14T14:49:26Z",
              "ms": 1531579766181.123
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 20:02 on Fri 13 Jul to 16:25 on Sat 14 Jul.",
          "fact": "2018-07-13T23:02:27Z → 2018-07-14T19:25:09Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:01–11:49 on the 13th, 11:01–11:49 on the 14th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 16543 s"
        },
        {
          "step": "ruling",
          "text": "Rathayātrā, Recife, 2018: Saturday 14 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rathayatra",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')"
          }
        ],
        "not_evaluated": "The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.",
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-07-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-07-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Rathayātrā 2018 falls on Saturday 14 July. Dvitīyā runs from 20:02 on Fri 13 Jul to 16:25 on Sat 14 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/skanda-panchami",
      "festival": "skanda-panchami",
      "name": "Skanda Pañcamī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-07-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3049,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2018-07-16T10:10:50-03:00",
          "utc": "2018-07-16T13:10:50Z",
          "ms": 1531746649680.862
        },
        "end": {
          "local": "2018-07-17T07:49:28-03:00",
          "utc": "2018-07-17T10:49:28Z",
          "ms": 1531824567727.6724
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-07-16T10:10:50-03:00",
          "utc": "2018-07-16T13:10:50Z",
          "ms": 1531746649680.862
        },
        "end": {
          "local": "2018-07-17T07:49:28-03:00",
          "utc": "2018-07-17T10:49:28Z",
          "ms": 1531824567727.6724
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-07-16",
          "window": {
            "start": {
              "local": "2018-07-16T11:01:38-03:00",
              "utc": "2018-07-16T14:01:38Z",
              "ms": 1531749698393.8018
            },
            "end": {
              "local": "2018-07-16T11:49:38-03:00",
              "utc": "2018-07-16T14:49:38Z",
              "ms": 1531752578393.8018
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-07-17",
          "window": {
            "start": {
              "local": "2018-07-17T11:01:44-03:00",
              "utc": "2018-07-17T14:01:44Z",
              "ms": 1531836103699.2788
            },
            "end": {
              "local": "2018-07-17T11:49:44-03:00",
              "utc": "2018-07-17T14:49:44Z",
              "ms": 1531838983699.2788
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 10:11 on Mon 16 Jul to 07:49 on Tue 17 Jul.",
          "fact": "2018-07-16T13:10:50Z → 2018-07-17T10:49:28Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 16th, 11:02–11:50 on the 17th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 3049 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Pañcamī, Recife, 2018: Monday 16 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "skanda-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Skanda pancami (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-07-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-07-16",
          "confidence": "boundary"
        }
      ],
      "quote": "In Recife, Skanda Pañcamī 2018 falls on Monday 16 July. Pañcamī runs from 10:11 on Mon 16 Jul to 07:49 on Tue 17 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/vinayaka-chaturthi?on=2018-07-16",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-07-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3049,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-07-15T13:05:08-03:00",
          "utc": "2018-07-15T16:05:08Z",
          "ms": 1531670708407.4592
        },
        "end": {
          "local": "2018-07-16T10:10:50-03:00",
          "utc": "2018-07-16T13:10:50Z",
          "ms": 1531746649680.862
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-07-15T13:05:08-03:00",
          "utc": "2018-07-15T16:05:08Z",
          "ms": 1531670708407.4592
        },
        "end": {
          "local": "2018-07-16T10:10:50-03:00",
          "utc": "2018-07-16T13:10:50Z",
          "ms": 1531746649680.862
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-07-15",
          "window": {
            "start": {
              "local": "2018-07-15T11:01:33-03:00",
              "utc": "2018-07-15T14:01:33Z",
              "ms": 1531663292549.142
            },
            "end": {
              "local": "2018-07-15T11:49:33-03:00",
              "utc": "2018-07-15T14:49:33Z",
              "ms": 1531666172549.142
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-07-16",
          "window": {
            "start": {
              "local": "2018-07-16T11:01:38-03:00",
              "utc": "2018-07-16T14:01:38Z",
              "ms": 1531749698393.8018
            },
            "end": {
              "local": "2018-07-16T11:49:38-03:00",
              "utc": "2018-07-16T14:49:38Z",
              "ms": 1531752578393.8018
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 13:05 on Sun 15 Jul to 10:11 on Mon 16 Jul.",
          "fact": "2018-07-15T16:05:08Z → 2018-07-16T13:10:50Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 15th, 11:02–11:50 on the 16th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 0 of 48 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: unstated → second-day · margin 3049 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Recife, 2018: Monday 16 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-07-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-07-16",
          "confidence": "boundary"
        }
      ],
      "quote": "In Recife, Vināyaka Caturthī 2018 falls on Monday 16 July. Caturthī runs from 13:05 on Sun 15 Jul to 10:11 on Mon 16 Jul, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/recife/festivals/2018/vinayaka-chaturthi?on=2018-07-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/vivasvat-saptami",
      "festival": "vivasvat-saptami",
      "name": "Vivasvat Saptamī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-07-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17706,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2018-07-18T06:06:42-03:00",
          "utc": "2018-07-18T09:06:42Z",
          "ms": 1531904802010.8564
        },
        "end": {
          "local": "2018-07-19T05:06:10-03:00",
          "utc": "2018-07-19T08:06:10Z",
          "ms": 1531987570193.0781
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-07-18T06:06:42-03:00",
          "utc": "2018-07-18T09:06:42Z",
          "ms": 1531904802010.8564
        },
        "end": {
          "local": "2018-07-19T05:06:10-03:00",
          "utc": "2018-07-19T08:06:10Z",
          "ms": 1531987570193.0781
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-07-18",
          "window": {
            "start": {
              "local": "2018-07-18T11:01:48-03:00",
              "utc": "2018-07-18T14:01:48Z",
              "ms": 1531922508451.998
            },
            "end": {
              "local": "2018-07-18T11:49:48-03:00",
              "utc": "2018-07-18T14:49:48Z",
              "ms": 1531925388451.998
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-07-19",
          "window": {
            "start": {
              "local": "2018-07-19T11:01:53-03:00",
              "utc": "2018-07-19T14:01:53Z",
              "ms": 1532008912640.4922
            },
            "end": {
              "local": "2018-07-19T11:49:53-03:00",
              "utc": "2018-07-19T14:49:53Z",
              "ms": 1532011792640.4922
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 06:07 on Wed 18 Jul to 05:06 on Thu 19 Jul.",
          "fact": "2018-07-18T09:06:42Z → 2018-07-19T08:06:10Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 18th, 11:02–11:50 on the 19th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 17706 s"
        },
        {
          "step": "ruling",
          "text": "Vivasvat Saptamī, Recife, 2018: Wednesday 18 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": "2018-07-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-07-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Vivasvat Saptamī 2018 falls on Wednesday 18 July. Saptamī runs from 06:07 on Wed 18 Jul to 05:06 on Thu 19 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/ekadashi?on=2018-07-23",
      "festival": "ekadashi",
      "name": "Hariśayanī Ekādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-07-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2586,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2018-07-22T06:17:42-03:00",
          "utc": "2018-07-22T09:17:42Z",
          "ms": 1532251061609.5364
        },
        "end": {
          "local": "2018-07-23T07:53:54-03:00",
          "utc": "2018-07-23T10:53:54Z",
          "ms": 1532343233843.25
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-07-22T06:17:42-03:00",
          "utc": "2018-07-22T09:17:42Z",
          "ms": 1532251061609.5364
        },
        "end": {
          "local": "2018-07-23T07:53:54-03:00",
          "utc": "2018-07-23T10:53:54Z",
          "ms": 1532343233843.25
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-07-22",
          "window": {
            "start": {
              "local": "2018-07-22T05:34:36-03:00",
              "utc": "2018-07-22T08:34:36Z",
              "ms": 1532248475631.0715
            },
            "end": {
              "local": "2018-07-22T05:34:36-03:00",
              "utc": "2018-07-22T08:34:36Z",
              "ms": 1532248475631.0715
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2018-07-23",
          "window": {
            "start": {
              "local": "2018-07-23T05:34:30-03:00",
              "utc": "2018-07-23T08:34:30Z",
              "ms": 1532334870048.3306
            },
            "end": {
              "local": "2018-07-23T05:34:30-03:00",
              "utc": "2018-07-23T08:34:30Z",
              "ms": 1532334870048.3306
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 06:18 on Sun 22 Jul to 07:54 on Mon 23 Jul.",
          "fact": "2018-07-22T09:17:42Z → 2018-07-23T10:53:54Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:35 on the 22nd and 05:35 on the 23rd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 22nd and is on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 2586 s"
        },
        {
          "step": "ruling",
          "text": "Hariśayanī Ekādaśī, Recife, 2018: Monday 23 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-07-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-07-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Hariśayanī Ekādaśī 2018 falls on Monday 23 July. Ekādaśī runs from 06:18 on Sun 22 Jul to 07:54 on Mon 23 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/ekadashi?on=2018-07-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/pradosha-vrata?on=2018-07-24",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-07-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18123,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-07-24T09:55:48-03:00",
          "utc": "2018-07-24T12:55:48Z",
          "ms": 1532436948495.6292
        },
        "end": {
          "local": "2018-07-25T12:15:51-03:00",
          "utc": "2018-07-25T15:15:51Z",
          "ms": 1532531751260.3157
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-07-24T09:55:48-03:00",
          "utc": "2018-07-24T12:55:48Z",
          "ms": 1532436948495.6292
        },
        "end": {
          "local": "2018-07-25T12:15:51-03:00",
          "utc": "2018-07-25T15:15:51Z",
          "ms": 1532531751260.3157
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-07-24",
          "window": {
            "start": {
              "local": "2018-07-24T17:17:46-03:00",
              "utc": "2018-07-24T20:17:46Z",
              "ms": 1532463465994.1467
            },
            "end": {
              "local": "2018-07-24T18:55:58-03:00",
              "utc": "2018-07-24T21:55:58Z",
              "ms": 1532469358065.2744
            }
          },
          "covered_min": 98,
          "window_min": 98,
          "qualifies": true
        },
        {
          "local_date": "2018-07-25",
          "window": {
            "start": {
              "local": "2018-07-25T17:17:54-03:00",
              "utc": "2018-07-25T20:17:54Z",
              "ms": 1532549874452.74
            },
            "end": {
              "local": "2018-07-25T18:56:04-03:00",
              "utc": "2018-07-25T21:56:04Z",
              "ms": 1532555764337.96
            }
          },
          "covered_min": 0,
          "window_min": 98,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 09:56 on Tue 24 Jul to 12:16 on Wed 25 Jul.",
          "fact": "2018-07-24T12:55:48Z → 2018-07-25T15:15:51Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:18–18:56 on the 24th, 17:18–18:56 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 98 of 98 minutes on the 24th and 0 of 98 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 18123 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Recife, 2018: Tuesday 24 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-07-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-07-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śukla Pradoṣa Vrata 2018 falls on Tuesday 24 July. Trayodaśī runs from 09:56 on Tue 24 Jul to 12:16 on Wed 25 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/pradosha-vrata?on=2018-07-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/shiva-shayanotsava",
      "festival": "shiva-shayanotsava",
      "name": "Śiva Śayanotsava",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-07-26",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin",
        "tie-break-unstated"
      ],
      "boundary_margin_s": 131,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2018-07-26T14:46:28-03:00",
          "utc": "2018-07-26T17:46:28Z",
          "ms": 1532627187604.4104
        },
        "end": {
          "local": "2018-07-27T17:20:21-03:00",
          "utc": "2018-07-27T20:20:21Z",
          "ms": 1532722821104.1553
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-07-26T14:46:28-03:00",
          "utc": "2018-07-26T17:46:28Z",
          "ms": 1532627187604.4104
        },
        "end": {
          "local": "2018-07-27T17:20:21-03:00",
          "utc": "2018-07-27T20:20:21Z",
          "ms": 1532722821104.1553
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-07-26",
          "window": {
            "start": {
              "local": "2018-07-26T17:18:02-03:00",
              "utc": "2018-07-26T20:18:02Z",
              "ms": 1532636282489.3079
            },
            "end": {
              "local": "2018-07-26T18:56:10-03:00",
              "utc": "2018-07-26T21:56:10Z",
              "ms": 1532642170140.8325
            }
          },
          "covered_min": 98,
          "window_min": 98,
          "qualifies": true
        },
        {
          "local_date": "2018-07-27",
          "window": {
            "start": {
              "local": "2018-07-27T17:18:10-03:00",
              "utc": "2018-07-27T20:18:10Z",
              "ms": 1532722690099.2502
            },
            "end": {
              "local": "2018-07-27T18:56:15-03:00",
              "utc": "2018-07-27T21:56:15Z",
              "ms": 1532728575470.3682
            }
          },
          "covered_min": 2,
          "window_min": 98,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 14:46 on Thu 26 Jul to 17:20 on Fri 27 Jul.",
          "fact": "2018-07-26T17:46:28Z → 2018-07-27T20:20:21Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:18–18:56 on the 26th, 17:18–18:56 on the 27th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 98 of 98 minutes on the 26th and 2 of 98 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "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 131 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Śiva Śayanotsava, Recife, 2018: Thursday 26 July.",
          "fact": "confidence: boundary (margin, tie-break-unstated)"
        }
      ],
      "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": "2018-07-26",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-07-26",
          "confidence": "boundary"
        }
      ],
      "quote": "In Recife, Śiva Śayanotsava 2018 falls on Thursday 26 July. Pūrṇimā runs from 14:46 on Thu 26 Jul to 17:20 on Fri 27 Jul and covers all of pradoṣa that evening. It also reaches the next evening for 2 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 2 min 11 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/vyasa-puja",
      "festival": "vyasa-puja",
      "name": "Vyāsa Pūjā",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-07-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24692,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2018-07-26T14:46:28-03:00",
          "utc": "2018-07-26T17:46:28Z",
          "ms": 1532627187604.4104
        },
        "end": {
          "local": "2018-07-27T17:20:21-03:00",
          "utc": "2018-07-27T20:20:21Z",
          "ms": 1532722821104.1553
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-07-26T14:46:28-03:00",
          "utc": "2018-07-26T17:46:28Z",
          "ms": 1532627187604.4104
        },
        "end": {
          "local": "2018-07-27T17:20:21-03:00",
          "utc": "2018-07-27T20:20:21Z",
          "ms": 1532722821104.1553
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "2018-07-26",
          "window": {
            "start": {
              "local": "2018-07-26T05:34:09-03:00",
              "utc": "2018-07-26T08:34:09Z",
              "ms": 1532594048591.8894
            },
            "end": {
              "local": "2018-07-26T07:54:55-03:00",
              "utc": "2018-07-26T10:54:55Z",
              "ms": 1532602495371.373
            }
          },
          "covered_min": 0,
          "window_min": 141,
          "qualifies": false
        },
        {
          "local_date": "2018-07-27",
          "window": {
            "start": {
              "local": "2018-07-27T05:34:00-03:00",
              "utc": "2018-07-27T08:34:00Z",
              "ms": 1532680439875.7424
            },
            "end": {
              "local": "2018-07-27T07:54:50-03:00",
              "utc": "2018-07-27T10:54:50Z",
              "ms": 1532688889920.444
            }
          },
          "covered_min": 141,
          "window_min": 141,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 14:46 on Thu 26 Jul to 17:20 on Fri 27 Jul.",
          "fact": "2018-07-26T17:46:28Z → 2018-07-27T20:20:21Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:34–07:55 on the 26th, 05:34–07:55 on the 27th.",
          "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 0 of 141 minutes on the 26th and 141 of 141 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one morning qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 24692 s"
        },
        {
          "step": "ruling",
          "text": "Vyāsa Pūjā, Recife, 2018: Friday 27 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vyasa-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)."
          }
        ],
        "kaala": "udaya-3",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-07-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-07-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Vyāsa Pūjā 2018 falls on Friday 27 July. Pūrṇimā runs from 14:46 on Thu 26 Jul to 17:20 on Fri 27 Jul and covers all of the first three muhūrtas after sunrise that morning.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/guru-purnima",
      "festival": "guru-purnima",
      "name": "Guru Pūrṇimā",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-07-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10582,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2018-07-26T14:46:28-03:00",
          "utc": "2018-07-26T17:46:28Z",
          "ms": 1532627187604.4104
        },
        "end": {
          "local": "2018-07-27T17:20:21-03:00",
          "utc": "2018-07-27T20:20:21Z",
          "ms": 1532722821104.1553
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-07-26T14:46:28-03:00",
          "utc": "2018-07-26T17:46:28Z",
          "ms": 1532627187604.4104
        },
        "end": {
          "local": "2018-07-27T17:20:21-03:00",
          "utc": "2018-07-27T20:20:21Z",
          "ms": 1532722821104.1553
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-07-26",
          "window": {
            "start": {
              "local": "2018-07-26T11:02:06-03:00",
              "utc": "2018-07-26T14:02:06Z",
              "ms": 1532613725540.5986
            },
            "end": {
              "local": "2018-07-26T11:50:06-03:00",
              "utc": "2018-07-26T14:50:06Z",
              "ms": 1532616605540.5986
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-07-27",
          "window": {
            "start": {
              "local": "2018-07-27T11:02:05-03:00",
              "utc": "2018-07-27T14:02:05Z",
              "ms": 1532700124987.4963
            },
            "end": {
              "local": "2018-07-27T11:50:05-03:00",
              "utc": "2018-07-27T14:50:05Z",
              "ms": 1532703004987.4963
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 14:46 on Thu 26 Jul to 17:20 on Fri 27 Jul.",
          "fact": "2018-07-26T17:46:28Z → 2018-07-27T20:20:21Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 26th, 11:02–11:50 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 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 10582 s"
        },
        {
          "step": "ruling",
          "text": "Guru Pūrṇimā, Recife, 2018: Friday 27 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "guru-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-07-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-07-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Guru Pūrṇimā 2018 falls on Friday 27 July. Pūrṇimā runs from 14:46 on Thu 26 Jul to 17:20 on Fri 27 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/kokila-vrata",
      "festival": "kokila-vrata",
      "name": "Kokilā Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-07-27",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin",
        "tie-break-unstated"
      ],
      "boundary_margin_s": 131,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2018-07-26T14:46:28-03:00",
          "utc": "2018-07-26T17:46:28Z",
          "ms": 1532627187604.4104
        },
        "end": {
          "local": "2018-07-27T17:20:21-03:00",
          "utc": "2018-07-27T20:20:21Z",
          "ms": 1532722821104.1553
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-07-26T14:46:28-03:00",
          "utc": "2018-07-26T17:46:28Z",
          "ms": 1532627187604.4104
        },
        "end": {
          "local": "2018-07-27T17:20:21-03:00",
          "utc": "2018-07-27T20:20:21Z",
          "ms": 1532722821104.1553
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2018-07-26",
          "window": {
            "start": {
              "local": "2018-07-26T14:57:16-03:00",
              "utc": "2018-07-26T17:57:16Z",
              "ms": 1532627835709.8242
            },
            "end": {
              "local": "2018-07-26T17:18:02-03:00",
              "utc": "2018-07-26T20:18:02Z",
              "ms": 1532636282489.3079
            }
          },
          "covered_min": 141,
          "window_min": 141,
          "qualifies": true
        },
        {
          "local_date": "2018-07-27",
          "window": {
            "start": {
              "local": "2018-07-27T14:57:20-03:00",
              "utc": "2018-07-27T17:57:20Z",
              "ms": 1532714240054.5486
            },
            "end": {
              "local": "2018-07-27T17:18:10-03:00",
              "utc": "2018-07-27T20:18:10Z",
              "ms": 1532722690099.2502
            }
          },
          "covered_min": 141,
          "window_min": 141,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 14:46 on Thu 26 Jul to 17:20 on Fri 27 Jul.",
          "fact": "2018-07-26T17:46:28Z → 2018-07-27T20:20:21Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 14:57–17:18 on the 26th, 14:57–17:18 on the 27th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 141 of 141 minutes on the 26th and 141 of 141 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Both late afternoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 131 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Kokilā Vrata, Recife, 2018: Friday 27 July.",
          "fact": "confidence: boundary (margin, tie-break-unstated)"
        }
      ],
      "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": "2018-07-27",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-07-27",
          "confidence": "boundary"
        }
      ],
      "quote": "In Recife, Kokilā Vrata 2018 falls on Friday 27 July. Pūrṇimā runs from 14:46 on Thu 26 Jul to 17:20 on Fri 27 Jul and covers all of sāyāhna that late afternoon. It also reaches the previous late afternoon for 141 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 2 min 11 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/ashunya-shayana-vrata-ashadha",
      "festival": "ashunya-shayana-vrata-ashadha",
      "name": "Aśūnya Śayana Vrata (Āṣāḍha)",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-07-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6378,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2018-07-28T19:50:36-03:00",
          "utc": "2018-07-28T22:50:36Z",
          "ms": 1532818236014.6
        },
        "end": {
          "local": "2018-07-29T22:10:30-03:00",
          "utc": "2018-07-30T01:10:30Z",
          "ms": 1532913030286.5576
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-07-28T19:50:36-03:00",
          "utc": "2018-07-28T22:50:36Z",
          "ms": 1532818236014.6
        },
        "end": {
          "local": "2018-07-29T22:10:30-03:00",
          "utc": "2018-07-30T01:10:30Z",
          "ms": 1532913030286.5576
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2018-07-28",
          "window": {
            "start": {
              "local": "2018-07-28T18:04:18-03:00",
              "utc": "2018-07-28T21:04:18Z",
              "ms": 1532811857581.7822
            },
            "end": {
              "local": "2018-07-28T18:04:18-03:00",
              "utc": "2018-07-28T21:04:18Z",
              "ms": 1532811857581.7822
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2018-07-29",
          "window": {
            "start": {
              "local": "2018-07-29T18:51:34-03:00",
              "utc": "2018-07-29T21:51:34Z",
              "ms": 1532901094060.8826
            },
            "end": {
              "local": "2018-07-29T18:51:34-03:00",
              "utc": "2018-07-29T21:51:34Z",
              "ms": 1532901094060.8826
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 19:51 on Sat 28 Jul to 22:11 on Sun 29 Jul.",
          "fact": "2018-07-28T22:50:36Z → 2018-07-30T01:10:30Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 18:04 on the 28th and 18:52 on the 29th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be current at moonrise. It is not on the 28th and is on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 6378 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata (Āṣāḍha), Recife, 2018: Sunday 29 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": "2018-07-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-07-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Aśūnya Śayana Vrata (Āṣāḍha) 2018 falls on Sunday 29 July. Dvitīyā runs from 19:51 on Sat 28 Jul to 22:11 on Sun 29 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/sankashta-chaturthi?on=2018-07-31",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-07-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16520,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-07-31T00:13:28-03:00",
          "utc": "2018-07-31T03:13:28Z",
          "ms": 1533006808308.9995
        },
        "end": {
          "local": "2018-08-01T01:53:02-03:00",
          "utc": "2018-08-01T04:53:02Z",
          "ms": 1533099182069.5957
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-07-31T00:13:28-03:00",
          "utc": "2018-07-31T03:13:28Z",
          "ms": 1533006808308.9995
        },
        "end": {
          "local": "2018-08-01T01:53:02-03:00",
          "utc": "2018-08-01T04:53:02Z",
          "ms": 1533099182069.5957
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2018-07-30",
          "window": {
            "start": {
              "local": "2018-07-30T19:38:09-03:00",
              "utc": "2018-07-30T22:38:09Z",
              "ms": 1532990288595.1113
            },
            "end": {
              "local": "2018-07-30T19:38:09-03:00",
              "utc": "2018-07-30T22:38:09Z",
              "ms": 1532990288595.1113
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2018-07-31",
          "window": {
            "start": {
              "local": "2018-07-31T20:24:19-03:00",
              "utc": "2018-07-31T23:24:19Z",
              "ms": 1533079459110.3977
            },
            "end": {
              "local": "2018-07-31T20:24:19-03:00",
              "utc": "2018-07-31T23:24:19Z",
              "ms": 1533079459110.3977
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 00:13 on Tue 31 Jul to 01:53 on Wed 1 Aug.",
          "fact": "2018-07-31T03:13:28Z → 2018-08-01T04:53:02Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:38 on the 30th and 20:24 on the 31st.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 30th and is on the 31st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 16520 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Recife, 2018: Tuesday 31 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": "2018-07-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-07-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Saṅkaṣṭa Caturthī 2018 falls on Tuesday 31 July. Caturthī runs from 00:13 on Tue 31 Jul to 01:53 on Wed 1 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/sankashta-chaturthi?on=2018-07-31",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/ekadashi?on=2018-08-07",
      "festival": "ekadashi",
      "name": "Kāmikā Ekādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-08-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22128,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2018-08-06T23:22:46-03:00",
          "utc": "2018-08-07T02:22:46Z",
          "ms": 1533608566254.9343
        },
        "end": {
          "local": "2018-08-07T20:45:39-03:00",
          "utc": "2018-08-07T23:45:39Z",
          "ms": 1533685539432.0996
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-08-06T23:22:46-03:00",
          "utc": "2018-08-07T02:22:46Z",
          "ms": 1533608566254.9343
        },
        "end": {
          "local": "2018-08-07T20:45:39-03:00",
          "utc": "2018-08-07T23:45:39Z",
          "ms": 1533685539432.0996
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-08-07",
          "window": {
            "start": {
              "local": "2018-08-07T05:31:34-03:00",
              "utc": "2018-08-07T08:31:34Z",
              "ms": 1533630693954.553
            },
            "end": {
              "local": "2018-08-07T05:31:34-03:00",
              "utc": "2018-08-07T08:31:34Z",
              "ms": 1533630693954.553
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2018-08-08",
          "window": {
            "start": {
              "local": "2018-08-08T05:31:16-03:00",
              "utc": "2018-08-08T08:31:16Z",
              "ms": 1533717076312.3848
            },
            "end": {
              "local": "2018-08-08T05:31:16-03:00",
              "utc": "2018-08-08T08:31:16Z",
              "ms": 1533717076312.3848
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 23:23 on Mon 6 Aug to 20:46 on Tue 7 Aug.",
          "fact": "2018-08-07T02:22:46Z → 2018-08-07T23:45:39Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:32 on the 7th and 05:31 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 22128 s"
        },
        {
          "step": "ruling",
          "text": "Kāmikā Ekādaśī, Recife, 2018: Tuesday 7 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-08-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-08-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Kāmikā Ekādaśī 2018 falls on Tuesday 7 August. Ekādaśī runs from 23:23 on Mon 6 Aug to 20:46 on Tue 7 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/ekadashi?on=2018-08-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/pradosha-vrata?on=2018-08-08",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-08-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1293,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-08-08T17:40:41-03:00",
          "utc": "2018-08-08T20:40:41Z",
          "ms": 1533760840773.168
        },
        "end": {
          "local": "2018-08-09T14:15:17-03:00",
          "utc": "2018-08-09T17:15:17Z",
          "ms": 1533834917285.2732
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-08-08T17:40:41-03:00",
          "utc": "2018-08-08T20:40:41Z",
          "ms": 1533760840773.168
        },
        "end": {
          "local": "2018-08-09T14:15:17-03:00",
          "utc": "2018-08-09T17:15:17Z",
          "ms": 1533834917285.2732
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-08-08",
          "window": {
            "start": {
              "local": "2018-08-08T17:19:07-03:00",
              "utc": "2018-08-08T20:19:07Z",
              "ms": 1533759547446.6646
            },
            "end": {
              "local": "2018-08-08T18:56:42-03:00",
              "utc": "2018-08-08T21:56:42Z",
              "ms": 1533765402183.1133
            }
          },
          "covered_min": 76,
          "window_min": 98,
          "qualifies": true
        },
        {
          "local_date": "2018-08-09",
          "window": {
            "start": {
              "local": "2018-08-09T17:19:09-03:00",
              "utc": "2018-08-09T20:19:09Z",
              "ms": 1533845949376.6555
            },
            "end": {
              "local": "2018-08-09T18:56:41-03:00",
              "utc": "2018-08-09T21:56:41Z",
              "ms": 1533851801317.4539
            }
          },
          "covered_min": 0,
          "window_min": 98,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 17:41 on Wed 8 Aug to 14:15 on Thu 9 Aug.",
          "fact": "2018-08-08T20:40:41Z → 2018-08-09T17:15:17Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:19–18:57 on the 8th, 17:19–18:57 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 76 of 98 minutes on the 8th and 0 of 98 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 1293 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Recife, 2018: Wednesday 8 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": "2018-08-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-08-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Kṛṣṇa Pradoṣa Vrata 2018 falls on Wednesday 8 August. Trayodaśī runs from 17:41 on Wed 8 Aug to 14:15 on Thu 9 Aug and covers 76 of 98 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/pradosha-vrata?on=2018-08-08",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/shivaratri?on=2018-08-09",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-08-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31537,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2018-08-09T14:15:17-03:00",
          "utc": "2018-08-09T17:15:17Z",
          "ms": 1533834917285.2732
        },
        "end": {
          "local": "2018-08-10T10:37:56-03:00",
          "utc": "2018-08-10T13:37:56Z",
          "ms": 1533908275865.642
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-08-09T14:15:17-03:00",
          "utc": "2018-08-09T17:15:17Z",
          "ms": 1533834917285.2732
        },
        "end": {
          "local": "2018-08-10T10:37:56-03:00",
          "utc": "2018-08-10T13:37:56Z",
          "ms": 1533908275865.642
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2018-08-09",
          "window": {
            "start": {
              "local": "2018-08-09T23:00:54-03:00",
              "utc": "2018-08-10T02:00:54Z",
              "ms": 1533866454154.6492
            },
            "end": {
              "local": "2018-08-09T23:48:54-03:00",
              "utc": "2018-08-10T02:48:54Z",
              "ms": 1533869334154.6492
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-08-10",
          "window": {
            "start": {
              "local": "2018-08-10T23:00:45-03:00",
              "utc": "2018-08-11T02:00:45Z",
              "ms": 1533952845034.0364
            },
            "end": {
              "local": "2018-08-10T23:48:45-03:00",
              "utc": "2018-08-11T02:48:45Z",
              "ms": 1533955725034.0364
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 14:15 on Thu 9 Aug to 10:38 on Fri 10 Aug.",
          "fact": "2018-08-09T17:15:17Z → 2018-08-10T13:37:56Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:01–23:49 on the 9th, 23:01–23:49 on the 10th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 31537 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Recife, 2018: Thursday 9 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": "2018-08-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-08-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śivarātri 2018 falls on Thursday 9 August. Caturdaśī runs from 14:15 on Thu 9 Aug to 10:38 on Fri 10 Aug and covers all of niśītha that night.",
      "cite": "https://ahargana.org/recife/festivals/2018/shivaratri?on=2018-08-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/madhusrava-tritiya",
      "festival": "madhusrava-tritiya",
      "name": "Madhusravā Tṛtīyā",
      "everyday": "Hariyali Teej",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-08-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34015,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2018-08-13T00:06:58-03:00",
          "utc": "2018-08-13T03:06:58Z",
          "ms": 1534129618204.2227
        },
        "end": {
          "local": "2018-08-13T21:15:20-03:00",
          "utc": "2018-08-14T00:15:20Z",
          "ms": 1534205719745.8645
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-08-13T00:06:58-03:00",
          "utc": "2018-08-13T03:06:58Z",
          "ms": 1534129618204.2227
        },
        "end": {
          "local": "2018-08-13T21:15:20-03:00",
          "utc": "2018-08-14T00:15:20Z",
          "ms": 1534205719745.8645
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-08-12",
          "window": {
            "start": {
              "local": "2018-08-12T11:00:36-03:00",
              "utc": "2018-08-12T14:00:36Z",
              "ms": 1534082435644.0435
            },
            "end": {
              "local": "2018-08-12T11:48:36-03:00",
              "utc": "2018-08-12T14:48:36Z",
              "ms": 1534085315644.0435
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-08-13",
          "window": {
            "start": {
              "local": "2018-08-13T11:00:25-03:00",
              "utc": "2018-08-13T14:00:25Z",
              "ms": 1534168825169.686
            },
            "end": {
              "local": "2018-08-13T11:48:25-03:00",
              "utc": "2018-08-13T14:48:25Z",
              "ms": 1534171705169.686
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 00:07 on Mon 13 Aug to 21:15 on Mon 13 Aug.",
          "fact": "2018-08-13T03:06:58Z → 2018-08-14T00:15:20Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:01–11:49 on the 12th, 11:00–11:48 on the 13th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 34015 s"
        },
        {
          "step": "ruling",
          "text": "Madhusravā Tṛtīyā, Recife, 2018: Monday 13 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "madhusrava-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Madhusrava (Gujerat) (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-08-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-08-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Madhusravā Tṛtīyā (Hariyali Teej) 2018 falls on Monday 13 August. Tṛtīyā runs from 00:07 on Mon 13 Aug to 21:15 on Mon 13 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/vinayaka-chaturthi?on=2018-08-14",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-08-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25778,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-08-13T21:15:20-03:00",
          "utc": "2018-08-14T00:15:20Z",
          "ms": 1534205719745.8645
        },
        "end": {
          "local": "2018-08-14T18:57:52-03:00",
          "utc": "2018-08-14T21:57:52Z",
          "ms": 1534283872144.1572
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-08-13T21:15:20-03:00",
          "utc": "2018-08-14T00:15:20Z",
          "ms": 1534205719745.8645
        },
        "end": {
          "local": "2018-08-14T18:57:52-03:00",
          "utc": "2018-08-14T21:57:52Z",
          "ms": 1534283872144.1572
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-08-13",
          "window": {
            "start": {
              "local": "2018-08-13T11:00:25-03:00",
              "utc": "2018-08-13T14:00:25Z",
              "ms": 1534168825169.686
            },
            "end": {
              "local": "2018-08-13T11:48:25-03:00",
              "utc": "2018-08-13T14:48:25Z",
              "ms": 1534171705169.686
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-08-14",
          "window": {
            "start": {
              "local": "2018-08-14T11:00:14-03:00",
              "utc": "2018-08-14T14:00:14Z",
              "ms": 1534255214135.2212
            },
            "end": {
              "local": "2018-08-14T11:48:14-03:00",
              "utc": "2018-08-14T14:48:14Z",
              "ms": 1534258094135.2212
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 21:15 on Mon 13 Aug to 18:58 on Tue 14 Aug.",
          "fact": "2018-08-14T00:15:20Z → 2018-08-14T21:57:52Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:00–11:48 on the 13th, 11:00–11:48 on the 14th.",
          "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 13th and 48 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 25778 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Recife, 2018: Tuesday 14 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-08-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-08-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Vināyaka Caturthī 2018 falls on Tuesday 14 August. Caturthī runs from 21:15 on Mon 13 Aug to 18:58 on Tue 14 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/vinayaka-chaturthi?on=2018-08-14",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/naga-panchami",
      "festival": "naga-panchami",
      "name": "Nāga Pañcamī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-08-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20025,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2018-08-14T18:57:52-03:00",
          "utc": "2018-08-14T21:57:52Z",
          "ms": 1534283872144.1572
        },
        "end": {
          "local": "2018-08-15T17:21:48-03:00",
          "utc": "2018-08-15T20:21:48Z",
          "ms": 1534364507531.6821
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-08-14T18:57:52-03:00",
          "utc": "2018-08-14T21:57:52Z",
          "ms": 1534283872144.1572
        },
        "end": {
          "local": "2018-08-15T17:21:48-03:00",
          "utc": "2018-08-15T20:21:48Z",
          "ms": 1534364507531.6821
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-08-14",
          "window": {
            "start": {
              "local": "2018-08-14T11:00:14-03:00",
              "utc": "2018-08-14T14:00:14Z",
              "ms": 1534255214135.2212
            },
            "end": {
              "local": "2018-08-14T11:48:14-03:00",
              "utc": "2018-08-14T14:48:14Z",
              "ms": 1534258094135.2212
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-08-15",
          "window": {
            "start": {
              "local": "2018-08-15T11:00:03-03:00",
              "utc": "2018-08-15T14:00:03Z",
              "ms": 1534341602546.4346
            },
            "end": {
              "local": "2018-08-15T11:48:03-03:00",
              "utc": "2018-08-15T14:48:03Z",
              "ms": 1534344482546.4346
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 18:58 on Tue 14 Aug to 17:22 on Wed 15 Aug.",
          "fact": "2018-08-14T21:57:52Z → 2018-08-15T20:21:48Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:00–11:48 on the 14th, 11:00–11:48 on the 15th.",
          "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 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: paraviddha → only-day · margin 20025 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī, Recife, 2018: Wednesday 15 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naga-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Naga pancami (paraviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-08-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-08-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Nāga Pañcamī 2018 falls on Wednesday 15 August. Pañcamī runs from 18:58 on Tue 14 Aug to 17:22 on Wed 15 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/ekadashi?on=2018-08-21",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-08-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22516,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2018-08-20T20:46:44-03:00",
          "utc": "2018-08-20T23:46:44Z",
          "ms": 1534808803761.1855
        },
        "end": {
          "local": "2018-08-21T23:10:43-03:00",
          "utc": "2018-08-22T02:10:43Z",
          "ms": 1534903843073.3782
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-08-20T20:46:44-03:00",
          "utc": "2018-08-20T23:46:44Z",
          "ms": 1534808803761.1855
        },
        "end": {
          "local": "2018-08-21T23:10:43-03:00",
          "utc": "2018-08-22T02:10:43Z",
          "ms": 1534903843073.3782
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-08-21",
          "window": {
            "start": {
              "local": "2018-08-21T05:26:26-03:00",
              "utc": "2018-08-21T08:26:26Z",
              "ms": 1534839985660.1663
            },
            "end": {
              "local": "2018-08-21T05:26:26-03:00",
              "utc": "2018-08-21T08:26:26Z",
              "ms": 1534839985660.1663
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2018-08-22",
          "window": {
            "start": {
              "local": "2018-08-22T05:25:59-03:00",
              "utc": "2018-08-22T08:25:59Z",
              "ms": 1534926358950.0342
            },
            "end": {
              "local": "2018-08-22T05:25:59-03:00",
              "utc": "2018-08-22T08:25:59Z",
              "ms": 1534926358950.0342
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 20:47 on Mon 20 Aug to 23:11 on Tue 21 Aug.",
          "fact": "2018-08-20T23:46:44Z → 2018-08-22T02:10:43Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:26 on the 21st and 05:26 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 22516 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Recife, 2018: Tuesday 21 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-08-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-08-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Putradā Ekādaśī 2018 falls on Tuesday 21 August. Ekādaśī runs from 20:47 on Mon 20 Aug to 23:11 on Tue 21 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/ekadashi?on=2018-08-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/damodara-dvadashi",
      "festival": "damodara-dvadashi",
      "name": "Dāmodara Dvādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-08-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33152,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2018-08-21T23:10:43-03:00",
          "utc": "2018-08-22T02:10:43Z",
          "ms": 1534903843073.3782
        },
        "end": {
          "local": "2018-08-23T01:45:39-03:00",
          "utc": "2018-08-23T04:45:39Z",
          "ms": 1534999538893.1116
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-08-21T23:10:43-03:00",
          "utc": "2018-08-22T02:10:43Z",
          "ms": 1534903843073.3782
        },
        "end": {
          "local": "2018-08-23T01:45:39-03:00",
          "utc": "2018-08-23T04:45:39Z",
          "ms": 1534999538893.1116
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-08-22",
          "window": {
            "start": {
              "local": "2018-08-22T10:58:27-03:00",
              "utc": "2018-08-22T13:58:27Z",
              "ms": 1534946306723.2993
            },
            "end": {
              "local": "2018-08-22T11:46:27-03:00",
              "utc": "2018-08-22T14:46:27Z",
              "ms": 1534949186723.2993
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-08-23",
          "window": {
            "start": {
              "local": "2018-08-23T10:58:11-03:00",
              "utc": "2018-08-23T13:58:11Z",
              "ms": 1535032691087.412
            },
            "end": {
              "local": "2018-08-23T11:46:11-03:00",
              "utc": "2018-08-23T14:46:11Z",
              "ms": 1535035571087.412
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 23:11 on Tue 21 Aug to 01:46 on Thu 23 Aug.",
          "fact": "2018-08-22T02:10:43Z → 2018-08-23T04:45:39Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:58–11:46 on the 22nd, 10:58–11:46 on the 23rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 33152 s"
        },
        {
          "step": "ruling",
          "text": "Dāmodara Dvādaśī, Recife, 2018: Wednesday 22 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "damodara-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Buddha dvadasi, Damodara dvadasi (purvaviddha), Visnu-pavitraropana."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-08-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-08-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Dāmodara Dvādaśī 2018 falls on Wednesday 22 August. Dvādaśī runs from 23:11 on Tue 21 Aug to 01:46 on Thu 23 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/pradosha-vrata?on=2018-08-23",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-08-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24591,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-08-23T01:45:39-03:00",
          "utc": "2018-08-23T04:45:39Z",
          "ms": 1534999538893.1116
        },
        "end": {
          "local": "2018-08-24T04:20:36-03:00",
          "utc": "2018-08-24T07:20:36Z",
          "ms": 1535095236341.8088
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-08-23T01:45:39-03:00",
          "utc": "2018-08-23T04:45:39Z",
          "ms": 1534999538893.1116
        },
        "end": {
          "local": "2018-08-24T04:20:36-03:00",
          "utc": "2018-08-24T07:20:36Z",
          "ms": 1535095236341.8088
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-08-22",
          "window": {
            "start": {
              "local": "2018-08-22T17:18:54-03:00",
              "utc": "2018-08-22T20:18:54Z",
              "ms": 1534969134496.5647
            },
            "end": {
              "local": "2018-08-22T18:55:47-03:00",
              "utc": "2018-08-22T21:55:47Z",
              "ms": 1534974947456.2607
            }
          },
          "covered_min": 0,
          "window_min": 97,
          "qualifies": false
        },
        {
          "local_date": "2018-08-23",
          "window": {
            "start": {
              "local": "2018-08-23T17:18:50-03:00",
              "utc": "2018-08-23T20:18:50Z",
              "ms": 1535055530480.5393
            },
            "end": {
              "local": "2018-08-23T18:55:40-03:00",
              "utc": "2018-08-23T21:55:40Z",
              "ms": 1535061340271.3594
            }
          },
          "covered_min": 97,
          "window_min": 97,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 01:46 on Thu 23 Aug to 04:21 on Fri 24 Aug.",
          "fact": "2018-08-23T04:45:39Z → 2018-08-24T07:20:36Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:19–18:56 on the 22nd, 17:19–18:56 on the 23rd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 97 minutes on the 22nd and 97 of 97 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 24591 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Recife, 2018: Thursday 23 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-08-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-08-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śukla Pradoṣa Vrata 2018 falls on Thursday 23 August. Trayodaśī runs from 01:46 on Thu 23 Aug to 04:21 on Fri 24 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/pradosha-vrata?on=2018-08-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/raksha-bandhana",
      "festival": "raksha-bandhana",
      "name": "Rakṣā Bandhana",
      "everyday": "Rakhi",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-08-25",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 12724,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2018-08-25T06:46:26-03:00",
          "utc": "2018-08-25T09:46:26Z",
          "ms": 1535190385809.455
        },
        "end": {
          "local": "2018-08-26T08:56:10-03:00",
          "utc": "2018-08-26T11:56:10Z",
          "ms": 1535284570466.9868
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "second-half",
        "start": {
          "local": "2018-08-25T19:53:40-03:00",
          "utc": "2018-08-25T22:53:40Z",
          "ms": 1535237619577.8662
        },
        "end": {
          "local": "2018-08-26T08:56:10-03:00",
          "utc": "2018-08-26T11:56:10Z",
          "ms": 1535284570466.9868
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "2018-08-25",
          "window": {
            "start": {
              "local": "2018-08-25T05:24:36-03:00",
              "utc": "2018-08-25T08:24:36Z",
              "ms": 1535185475621.624
            },
            "end": {
              "local": "2018-08-26T05:24:07-03:00",
              "utc": "2018-08-26T08:24:07Z",
              "ms": 1535271846844.0137
            }
          },
          "covered_min": 570,
          "window_min": 1440,
          "qualifies": true
        },
        {
          "local_date": "2018-08-26",
          "window": {
            "start": {
              "local": "2018-08-26T05:24:07-03:00",
              "utc": "2018-08-26T08:24:07Z",
              "ms": 1535271846844.0137
            },
            "end": {
              "local": "2018-08-27T05:23:38-03:00",
              "utc": "2018-08-27T08:23:38Z",
              "ms": 1535358217599.271
            }
          },
          "covered_min": 212,
          "window_min": 1440,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 06:46 on Sat 25 Aug to 08:56 on Sun 26 Aug. Its second half begins at 19:54 on Sat 25 Aug.",
          "fact": "2018-08-25T09:46:26Z → 2018-08-26T11:56:10Z · second half from 2018-08-25T22:53:40Z"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 05:25 on the 25th, and from 05:24 on the 26th.",
          "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The second half of Pūrṇimā must be present during the day. It covers 570 of 1440 minutes on the 25th and 212 of 1440 on the 26th.",
          "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 12724 s"
        },
        {
          "step": "ruling",
          "text": "Rakṣā Bandhana, Recife, 2018: Saturday 25 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": "2018-08-25",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-08-25",
          "confidence": "boundary"
        }
      ],
      "quote": "In Recife, Rakṣā Bandhana (Rakhi) 2018 falls on Saturday 25 August. The second half of Pūrṇimā runs from 19:54 on Sat 25 Aug to 08:56 on Sun 26 Aug and falls on two days: 570 minutes of it on the 25th, 212 on the 26th; 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/recife/festivals/2018/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": "/recife/festivals/2018/rishi-tarpana",
      "festival": "rishi-tarpana",
      "name": "Ṛṣi Tarpaṇa",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-08-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7271,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2018-08-25T06:46:26-03:00",
          "utc": "2018-08-25T09:46:26Z",
          "ms": 1535190385809.455
        },
        "end": {
          "local": "2018-08-26T08:56:10-03:00",
          "utc": "2018-08-26T11:56:10Z",
          "ms": 1535284570466.9868
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-08-25T06:46:26-03:00",
          "utc": "2018-08-25T09:46:26Z",
          "ms": 1535190385809.455
        },
        "end": {
          "local": "2018-08-26T08:56:10-03:00",
          "utc": "2018-08-26T11:56:10Z",
          "ms": 1535284570466.9868
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-08-25",
          "window": {
            "start": {
              "local": "2018-08-25T10:57:39-03:00",
              "utc": "2018-08-25T13:57:39Z",
              "ms": 1535205458508.1582
            },
            "end": {
              "local": "2018-08-25T11:45:39-03:00",
              "utc": "2018-08-25T14:45:39Z",
              "ms": 1535208338508.1582
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-08-26",
          "window": {
            "start": {
              "local": "2018-08-26T10:57:22-03:00",
              "utc": "2018-08-26T13:57:22Z",
              "ms": 1535291841599.3115
            },
            "end": {
              "local": "2018-08-26T11:45:22-03:00",
              "utc": "2018-08-26T14:45:22Z",
              "ms": 1535294721599.3115
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 06:46 on Sat 25 Aug to 08:56 on Sun 26 Aug.",
          "fact": "2018-08-25T09:46:26Z → 2018-08-26T11:56:10Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:58–11:46 on the 25th, 10:57–11:45 on the 26th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 7271 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Tarpaṇa, Recife, 2018: Saturday 25 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rishi-tarpana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana"
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-08-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-08-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Ṛṣi Tarpaṇa 2018 falls on Saturday 25 August. Pūrṇimā runs from 06:46 on Sat 25 Aug to 08:56 on Sun 26 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/ashunya-shayana-vrata",
      "festival": "ashunya-shayana-vrata",
      "name": "Aśūnya Śayana Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-08-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25139,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2018-08-27T10:45:01-03:00",
          "utc": "2018-08-27T13:45:01Z",
          "ms": 1535377500654.6133
        },
        "end": {
          "local": "2018-08-28T12:09:47-03:00",
          "utc": "2018-08-28T15:09:47Z",
          "ms": 1535468987056.746
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-08-27T10:45:01-03:00",
          "utc": "2018-08-27T13:45:01Z",
          "ms": 1535377500654.6133
        },
        "end": {
          "local": "2018-08-28T12:09:47-03:00",
          "utc": "2018-08-28T15:09:47Z",
          "ms": 1535468987056.746
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2018-08-27",
          "window": {
            "start": {
              "local": "2018-08-27T18:22:17-03:00",
              "utc": "2018-08-27T21:22:17Z",
              "ms": 1535404936627.503
            },
            "end": {
              "local": "2018-08-27T18:22:17-03:00",
              "utc": "2018-08-27T21:22:17Z",
              "ms": 1535404936627.503
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2018-08-28",
          "window": {
            "start": {
              "local": "2018-08-28T19:08:46-03:00",
              "utc": "2018-08-28T22:08:46Z",
              "ms": 1535494126482.0798
            },
            "end": {
              "local": "2018-08-28T19:08:46-03:00",
              "utc": "2018-08-28T22:08:46Z",
              "ms": 1535494126482.0798
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 10:45 on Mon 27 Aug to 12:10 on Tue 28 Aug.",
          "fact": "2018-08-27T13:45:01Z → 2018-08-28T15:09:47Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 18:22 on the 27th and 19:09 on the 28th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be current at moonrise. It is on the 27th and is not on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 25139 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata, Recife, 2018: Monday 27 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ashunya-shayana-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 2 Asunyasayana vrata (Dvitiya current at moonrise; if occurs on two successive days, it is to be observed on the second day)."
          }
        ],
        "kaala": "moonrise",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-08-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-08-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Aśūnya Śayana Vrata 2018 falls on Monday 27 August. Dvitīyā runs from 10:45 on Mon 27 Aug to 12:10 on Tue 28 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/kajjali-tritiya",
      "festival": "kajjali-tritiya",
      "name": "Kajjalī Tṛtīyā",
      "everyday": "Kajari Teej",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-08-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1500,
      "anga": {
        "type": "tithi",
        "index": 17,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2018-08-28T12:09:47-03:00",
          "utc": "2018-08-28T15:09:47Z",
          "ms": 1535468987056.746
        },
        "end": {
          "local": "2018-08-29T13:08:27-03:00",
          "utc": "2018-08-29T16:08:27Z",
          "ms": 1535558906631.1692
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-08-28T12:09:47-03:00",
          "utc": "2018-08-28T15:09:47Z",
          "ms": 1535468987056.746
        },
        "end": {
          "local": "2018-08-29T13:08:27-03:00",
          "utc": "2018-08-29T16:08:27Z",
          "ms": 1535558906631.1692
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-08-28",
          "window": {
            "start": {
              "local": "2018-08-28T10:56:47-03:00",
              "utc": "2018-08-28T13:56:47Z",
              "ms": 1535464606633.689
            },
            "end": {
              "local": "2018-08-28T11:44:47-03:00",
              "utc": "2018-08-28T14:44:47Z",
              "ms": 1535467486633.689
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-08-29",
          "window": {
            "start": {
              "local": "2018-08-29T10:56:29-03:00",
              "utc": "2018-08-29T13:56:29Z",
              "ms": 1535550988614.4224
            },
            "end": {
              "local": "2018-08-29T11:44:29-03:00",
              "utc": "2018-08-29T14:44:29Z",
              "ms": 1535553868614.4224
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 12:10 on Tue 28 Aug to 13:08 on Wed 29 Aug.",
          "fact": "2018-08-28T15:09:47Z → 2018-08-29T16:08:27Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:57–11:45 on the 28th, 10:56–11:44 on the 29th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 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. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 1500 s"
        },
        {
          "step": "ruling",
          "text": "Kajjalī Tṛtīyā, Recife, 2018: Wednesday 29 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "kajjali-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 3 Kajjali trtiya, (paraviddha), Angaveta trtiya (Orissa)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-08-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-08-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Kajjalī Tṛtīyā (Kajari Teej) 2018 falls on Wednesday 29 August. Tṛtīyā runs from 12:10 on Tue 28 Aug to 13:08 on Wed 29 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/bahula-chaturthi",
      "festival": "bahula-chaturthi",
      "name": "Bahulā Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-08-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4527,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-08-29T13:08:27-03:00",
          "utc": "2018-08-29T16:08:27Z",
          "ms": 1535558906631.1692
        },
        "end": {
          "local": "2018-08-30T13:39:33-03:00",
          "utc": "2018-08-30T16:39:33Z",
          "ms": 1535647172769.437
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-08-29T13:08:27-03:00",
          "utc": "2018-08-29T16:08:27Z",
          "ms": 1535558906631.1692
        },
        "end": {
          "local": "2018-08-30T13:39:33-03:00",
          "utc": "2018-08-30T16:39:33Z",
          "ms": 1535647172769.437
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2018-08-29",
          "window": {
            "start": {
              "local": "2018-08-29T14:55:11-03:00",
              "utc": "2018-08-29T17:55:11Z",
              "ms": 1535565311107.8967
            },
            "end": {
              "local": "2018-08-29T17:18:19-03:00",
              "utc": "2018-08-29T20:18:19Z",
              "ms": 1535573899436.8796
            }
          },
          "covered_min": 143,
          "window_min": 143,
          "qualifies": true
        },
        {
          "local_date": "2018-08-30",
          "window": {
            "start": {
              "local": "2018-08-30T14:55:00-03:00",
              "utc": "2018-08-30T17:55:00Z",
              "ms": 1535651700057.6594
            },
            "end": {
              "local": "2018-08-30T17:18:13-03:00",
              "utc": "2018-08-30T20:18:13Z",
              "ms": 1535660293254.109
            }
          },
          "covered_min": 0,
          "window_min": 143,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 13:08 on Wed 29 Aug to 13:40 on Thu 30 Aug.",
          "fact": "2018-08-29T16:08:27Z → 2018-08-30T16:39:33Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 14:55–17:18 on the 29th, 14:55–17:18 on the 30th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during sāyāhna. It covers 143 of 143 minutes on the 29th and 0 of 143 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one late afternoon qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 4527 s"
        },
        {
          "step": "ruling",
          "text": "Bahulā Caturthī, Recife, 2018: Wednesday 29 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bahula-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 4 Bahula caturthi (Madhyadesa) (Sayahnavyapini: if occurs on two successive days, it is to be observed on the 1st day)."
          }
        ],
        "kaala": "sayahna",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-08-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-08-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Bahulā Caturthī 2018 falls on Wednesday 29 August. Caturthī runs from 13:08 on Wed 29 Aug to 13:40 on Thu 30 Aug and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/sankashta-chaturthi?on=2018-08-29",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-08-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24436,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-08-29T13:08:27-03:00",
          "utc": "2018-08-29T16:08:27Z",
          "ms": 1535558906631.1692
        },
        "end": {
          "local": "2018-08-30T13:39:33-03:00",
          "utc": "2018-08-30T16:39:33Z",
          "ms": 1535647172769.437
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-08-29T13:08:27-03:00",
          "utc": "2018-08-29T16:08:27Z",
          "ms": 1535558906631.1692
        },
        "end": {
          "local": "2018-08-30T13:39:33-03:00",
          "utc": "2018-08-30T16:39:33Z",
          "ms": 1535647172769.437
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2018-08-29",
          "window": {
            "start": {
              "local": "2018-08-29T19:55:43-03:00",
              "utc": "2018-08-29T22:55:43Z",
              "ms": 1535583342597.5955
            },
            "end": {
              "local": "2018-08-29T19:55:43-03:00",
              "utc": "2018-08-29T22:55:43Z",
              "ms": 1535583342597.5955
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2018-08-30",
          "window": {
            "start": {
              "local": "2018-08-30T20:43:45-03:00",
              "utc": "2018-08-30T23:43:45Z",
              "ms": 1535672624667.1006
            },
            "end": {
              "local": "2018-08-30T20:43:45-03:00",
              "utc": "2018-08-30T23:43:45Z",
              "ms": 1535672624667.1006
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 13:08 on Wed 29 Aug to 13:40 on Thu 30 Aug.",
          "fact": "2018-08-29T16:08:27Z → 2018-08-30T16:39:33Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:56 on the 29th and 20:44 on the 30th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 29th and is not on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 24436 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Recife, 2018: Wednesday 29 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-08-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-08-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Saṅkaṣṭa Caturthī 2018 falls on Wednesday 29 August. Caturthī runs from 13:08 on Wed 29 Aug to 13:40 on Thu 30 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/sankashta-chaturthi?on=2018-08-29",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/hala-shashthi",
      "festival": "hala-shashthi",
      "name": "Hala Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-09-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5472,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2018-08-31T13:41:57-03:00",
          "utc": "2018-08-31T16:41:57Z",
          "ms": 1535733716910.0825
        },
        "end": {
          "local": "2018-09-01T13:14:44-03:00",
          "utc": "2018-09-01T16:14:44Z",
          "ms": 1535818484364.1775
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-08-31T13:41:57-03:00",
          "utc": "2018-08-31T16:41:57Z",
          "ms": 1535733716910.0825
        },
        "end": {
          "local": "2018-09-01T13:14:44-03:00",
          "utc": "2018-09-01T16:14:44Z",
          "ms": 1535818484364.1775
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-08-31",
          "window": {
            "start": {
              "local": "2018-08-31T10:55:52-03:00",
              "utc": "2018-08-31T13:55:52Z",
              "ms": 1535723751598.6182
            },
            "end": {
              "local": "2018-08-31T11:43:52-03:00",
              "utc": "2018-08-31T14:43:52Z",
              "ms": 1535726631598.6182
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-09-01",
          "window": {
            "start": {
              "local": "2018-09-01T10:55:33-03:00",
              "utc": "2018-09-01T13:55:33Z",
              "ms": 1535810132640.6587
            },
            "end": {
              "local": "2018-09-01T11:43:33-03:00",
              "utc": "2018-09-01T14:43:33Z",
              "ms": 1535813012640.6587
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 13:42 on Fri 31 Aug to 13:15 on Sat 1 Sep.",
          "fact": "2018-08-31T16:41:57Z → 2018-09-01T16:14:44Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:56–11:44 on the 31st, 10:56–11:44 on the 1st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 31st and 48 of 48 on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 5472 s"
        },
        {
          "step": "ruling",
          "text": "Hala Ṣaṣṭhī, Recife, 2018: Saturday 1 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "hala-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 6 Hala sasthi (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-09-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-09-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Hala Ṣaṣṭhī 2018 falls on Saturday 1 September. Ṣaṣṭhī runs from 13:42 on Fri 31 Aug to 13:15 on Sat 1 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/janmashtami",
      "festival": "janmashtami",
      "name": "Janmāṣṭamī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-09-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 38254,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2018-09-02T12:17:23-03:00",
          "utc": "2018-09-02T15:17:23Z",
          "ms": 1535901443061.234
        },
        "end": {
          "local": "2018-09-03T10:50:01-03:00",
          "utc": "2018-09-03T13:50:01Z",
          "ms": 1535982600776.3923
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-09-02T12:17:23-03:00",
          "utc": "2018-09-02T15:17:23Z",
          "ms": 1535901443061.234
        },
        "end": {
          "local": "2018-09-03T10:50:01-03:00",
          "utc": "2018-09-03T13:50:01Z",
          "ms": 1535982600776.3923
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2018-09-02",
          "window": {
            "start": {
              "local": "2018-09-02T22:54:57-03:00",
              "utc": "2018-09-03T01:54:57Z",
              "ms": 1535939697446.7607
            },
            "end": {
              "local": "2018-09-02T23:42:57-03:00",
              "utc": "2018-09-03T02:42:57Z",
              "ms": 1535942577446.7607
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-09-03",
          "window": {
            "start": {
              "local": "2018-09-03T22:54:38-03:00",
              "utc": "2018-09-04T01:54:38Z",
              "ms": 1536026077808.2356
            },
            "end": {
              "local": "2018-09-03T23:42:38-03:00",
              "utc": "2018-09-04T02:42:38Z",
              "ms": 1536028957808.2356
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 12:17 on Sun 2 Sep to 10:50 on Mon 3 Sep.",
          "fact": "2018-09-02T15:17:23Z → 2018-09-03T13:50:01Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:55–23:43 on the 2nd, 22:55–23:43 on the 3rd.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during niśītha. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 38254 s"
        },
        {
          "step": "ruling",
          "text": "Janmāṣṭamī, Recife, 2018: Sunday 2 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "janmashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami."
          }
        ],
        "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.",
        "kaala": "nishita",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-09-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-09-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Janmāṣṭamī 2018 falls on Sunday 2 September. Aṣṭamī runs from 12:17 on Sun 2 Sep to 10:50 on Mon 3 Sep and covers all of niśītha that night.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/shitala-saptami",
      "festival": "shitala-saptami",
      "name": "Śītalā Saptamī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-09-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2050,
      "anga": {
        "type": "tithi",
        "index": 21,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2018-09-01T13:14:44-03:00",
          "utc": "2018-09-01T16:14:44Z",
          "ms": 1535818484364.1775
        },
        "end": {
          "local": "2018-09-02T12:17:23-03:00",
          "utc": "2018-09-02T15:17:23Z",
          "ms": 1535901443061.234
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-09-01T13:14:44-03:00",
          "utc": "2018-09-01T16:14:44Z",
          "ms": 1535818484364.1775
        },
        "end": {
          "local": "2018-09-02T12:17:23-03:00",
          "utc": "2018-09-02T15:17:23Z",
          "ms": 1535901443061.234
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-09-01",
          "window": {
            "start": {
              "local": "2018-09-01T10:55:33-03:00",
              "utc": "2018-09-01T13:55:33Z",
              "ms": 1535810132640.6587
            },
            "end": {
              "local": "2018-09-01T11:43:33-03:00",
              "utc": "2018-09-01T14:43:33Z",
              "ms": 1535813012640.6587
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-09-02",
          "window": {
            "start": {
              "local": "2018-09-02T10:55:13-03:00",
              "utc": "2018-09-02T13:55:13Z",
              "ms": 1535896513407.9688
            },
            "end": {
              "local": "2018-09-02T11:43:13-03:00",
              "utc": "2018-09-02T14:43:13Z",
              "ms": 1535899393407.9688
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 13:15 on Sat 1 Sep to 12:17 on Sun 2 Sep.",
          "fact": "2018-09-01T16:14:44Z → 2018-09-02T15:17:23Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:56–11:44 on the 1st, 10:55–11:43 on the 2nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 48 of 48 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 2050 s"
        },
        {
          "step": "ruling",
          "text": "Śītalā Saptamī, Recife, 2018: Sunday 2 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shitala-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 7 Sitala saptami (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-09-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-09-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śītalā Saptamī 2018 falls on Sunday 2 September. Saptamī runs from 13:15 on Sat 1 Sep to 12:17 on Sun 2 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/ekadashi?on=2018-09-05",
      "festival": "ekadashi",
      "name": "Ajā Ekādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-09-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4322,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2018-09-05T06:30:58-03:00",
          "utc": "2018-09-05T09:30:58Z",
          "ms": 1536139858454.8364
        },
        "end": {
          "local": "2018-09-06T03:45:31-03:00",
          "utc": "2018-09-06T06:45:31Z",
          "ms": 1536216330621.424
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-09-05T06:30:58-03:00",
          "utc": "2018-09-05T09:30:58Z",
          "ms": 1536139858454.8364
        },
        "end": {
          "local": "2018-09-06T03:45:31-03:00",
          "utc": "2018-09-06T06:45:31Z",
          "ms": 1536216330621.424
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-09-05",
          "window": {
            "start": {
              "local": "2018-09-05T05:18:57-03:00",
              "utc": "2018-09-05T08:18:57Z",
              "ms": 1536135536857.9424
            },
            "end": {
              "local": "2018-09-05T05:18:57-03:00",
              "utc": "2018-09-05T08:18:57Z",
              "ms": 1536135536857.9424
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2018-09-06",
          "window": {
            "start": {
              "local": "2018-09-06T05:18:24-03:00",
              "utc": "2018-09-06T08:18:24Z",
              "ms": 1536221904096.2126
            },
            "end": {
              "local": "2018-09-06T05:18:24-03:00",
              "utc": "2018-09-06T08:18:24Z",
              "ms": 1536221904096.2126
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 06:31 on Wed 5 Sep to 03:46 on Thu 6 Sep.",
          "fact": "2018-09-05T09:30:58Z → 2018-09-06T06:45:31Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:19 on the 5th and 05:18 on the 6th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 5th and is not on the 6th.",
          "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 4322 s"
        },
        {
          "step": "ruling",
          "text": "Ajā Ekādaśī, Recife, 2018: Wednesday 5 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": "2018-09-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-09-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Ajā Ekādaśī 2018 falls on Wednesday 5 September. Ekādaśī runs from 06:31 on Wed 5 Sep to 03:46 on Thu 6 Sep, and is current at sunrise on neither day.",
      "cite": "https://ahargana.org/recife/festivals/2018/ekadashi?on=2018-09-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/pradosha-vrata?on=2018-09-07",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-09-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9341,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-09-07T00:42:37-03:00",
          "utc": "2018-09-07T03:42:37Z",
          "ms": 1536291757497.336
        },
        "end": {
          "local": "2018-09-07T21:28:57-03:00",
          "utc": "2018-09-08T00:28:57Z",
          "ms": 1536366537181.8208
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-09-07T00:42:37-03:00",
          "utc": "2018-09-07T03:42:37Z",
          "ms": 1536291757497.336
        },
        "end": {
          "local": "2018-09-07T21:28:57-03:00",
          "utc": "2018-09-08T00:28:57Z",
          "ms": 1536366537181.8208
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-09-06",
          "window": {
            "start": {
              "local": "2018-09-06T17:17:24-03:00",
              "utc": "2018-09-06T20:17:24Z",
              "ms": 1536265044079.058
            },
            "end": {
              "local": "2018-09-06T18:53:28-03:00",
              "utc": "2018-09-06T21:53:28Z",
              "ms": 1536270807680.67
            }
          },
          "covered_min": 0,
          "window_min": 96,
          "qualifies": false
        },
        {
          "local_date": "2018-09-07",
          "window": {
            "start": {
              "local": "2018-09-07T17:17:16-03:00",
              "utc": "2018-09-07T20:17:16Z",
              "ms": 1536351436394.1697
            },
            "end": {
              "local": "2018-09-07T18:53:17-03:00",
              "utc": "2018-09-07T21:53:17Z",
              "ms": 1536357196589.5361
            }
          },
          "covered_min": 96,
          "window_min": 96,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 00:43 on Fri 7 Sep to 21:29 on Fri 7 Sep.",
          "fact": "2018-09-07T03:42:37Z → 2018-09-08T00:28:57Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:17–18:53 on the 6th, 17:17–18:53 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 96 minutes on the 6th and 96 of 96 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 9341 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Recife, 2018: Friday 7 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-09-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-09-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Kṛṣṇa Pradoṣa Vrata 2018 falls on Friday 7 September. Trayodaśī runs from 00:43 on Fri 7 Sep to 21:29 on Fri 7 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/pradosha-vrata?on=2018-09-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/shivaratri?on=2018-09-07",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-09-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5060,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2018-09-07T21:28:57-03:00",
          "utc": "2018-09-08T00:28:57Z",
          "ms": 1536366537181.8208
        },
        "end": {
          "local": "2018-09-08T18:12:19-03:00",
          "utc": "2018-09-08T21:12:19Z",
          "ms": 1536441138890.2273
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-09-07T21:28:57-03:00",
          "utc": "2018-09-08T00:28:57Z",
          "ms": 1536366537181.8208
        },
        "end": {
          "local": "2018-09-08T18:12:19-03:00",
          "utc": "2018-09-08T21:12:19Z",
          "ms": 1536441138890.2273
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2018-09-07",
          "window": {
            "start": {
              "local": "2018-09-07T22:53:17-03:00",
              "utc": "2018-09-08T01:53:17Z",
              "ms": 1536371597126.794
            },
            "end": {
              "local": "2018-09-07T23:41:17-03:00",
              "utc": "2018-09-08T02:41:17Z",
              "ms": 1536374477126.794
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-09-08",
          "window": {
            "start": {
              "local": "2018-09-08T22:52:57-03:00",
              "utc": "2018-09-09T01:52:57Z",
              "ms": 1536457976500.3667
            },
            "end": {
              "local": "2018-09-08T23:40:57-03:00",
              "utc": "2018-09-09T02:40:57Z",
              "ms": 1536460856500.3667
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 21:29 on Fri 7 Sep to 18:12 on Sat 8 Sep.",
          "fact": "2018-09-08T00:28:57Z → 2018-09-08T21:12:19Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:53–23:41 on the 7th, 22:53–23:41 on the 8th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 5060 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Recife, 2018: Friday 7 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": "2018-09-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-09-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śivarātri 2018 falls on Friday 7 September. Caturdaśī runs from 21:29 on Fri 7 Sep to 18:12 on Sat 8 Sep and covers all of niśītha that night.",
      "cite": "https://ahargana.org/recife/festivals/2018/shivaratri?on=2018-09-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/aghora-chaturdashi",
      "festival": "aghora-chaturdashi",
      "name": "Aghora Caturdaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-09-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2446,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2018-09-07T21:28:57-03:00",
          "utc": "2018-09-08T00:28:57Z",
          "ms": 1536366537181.8208
        },
        "end": {
          "local": "2018-09-08T18:12:19-03:00",
          "utc": "2018-09-08T21:12:19Z",
          "ms": 1536441138890.2273
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-09-07T21:28:57-03:00",
          "utc": "2018-09-08T00:28:57Z",
          "ms": 1536366537181.8208
        },
        "end": {
          "local": "2018-09-08T18:12:19-03:00",
          "utc": "2018-09-08T21:12:19Z",
          "ms": 1536441138890.2273
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-09-07",
          "window": {
            "start": {
              "local": "2018-09-07T17:17:16-03:00",
              "utc": "2018-09-07T20:17:16Z",
              "ms": 1536351436394.1697
            },
            "end": {
              "local": "2018-09-07T18:53:17-03:00",
              "utc": "2018-09-07T21:53:17Z",
              "ms": 1536357196589.5361
            }
          },
          "covered_min": 0,
          "window_min": 96,
          "qualifies": false
        },
        {
          "local_date": "2018-09-08",
          "window": {
            "start": {
              "local": "2018-09-08T17:17:09-03:00",
              "utc": "2018-09-08T20:17:09Z",
              "ms": 1536437828583.6545
            },
            "end": {
              "local": "2018-09-08T18:53:05-03:00",
              "utc": "2018-09-08T21:53:05Z",
              "ms": 1536443585361.4446
            }
          },
          "covered_min": 55,
          "window_min": 96,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 21:29 on Fri 7 Sep to 18:12 on Sat 8 Sep.",
          "fact": "2018-09-08T00:28:57Z → 2018-09-08T21:12:19Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:17–18:53 on the 7th, 17:17–18:53 on the 8th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during pradoṣa. It covers 0 of 96 minutes on the 7th and 55 of 96 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2446 s"
        },
        {
          "step": "ruling",
          "text": "Aghora Caturdaśī, Recife, 2018: Saturday 8 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "aghora-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Aghora caturdasi (pradosa vyapini)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-09-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-09-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Aghora Caturdaśī 2018 falls on Saturday 8 September. Caturdaśī runs from 21:29 on Fri 7 Sep to 18:12 on Sat 8 Sep and covers 55 of 96 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/rudra-vrata",
      "festival": "rudra-vrata",
      "name": "Rudra Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-09-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1514,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2018-09-09T15:01:28-03:00",
          "utc": "2018-09-09T18:01:28Z",
          "ms": 1536516087831.1147
        },
        "end": {
          "local": "2018-09-10T12:05:46-03:00",
          "utc": "2018-09-10T15:05:46Z",
          "ms": 1536591945515.9116
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-09-09T15:01:28-03:00",
          "utc": "2018-09-09T18:01:28Z",
          "ms": 1536516087831.1147
        },
        "end": {
          "local": "2018-09-10T12:05:46-03:00",
          "utc": "2018-09-10T15:05:46Z",
          "ms": 1536591945515.9116
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-09-09",
          "window": {
            "start": {
              "local": "2018-09-09T10:52:53-03:00",
              "utc": "2018-09-09T13:52:53Z",
              "ms": 1536501172538.0405
            },
            "end": {
              "local": "2018-09-09T11:40:53-03:00",
              "utc": "2018-09-09T14:40:53Z",
              "ms": 1536504052538.0405
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-09-10",
          "window": {
            "start": {
              "local": "2018-09-10T10:52:32-03:00",
              "utc": "2018-09-10T13:52:32Z",
              "ms": 1536587551705.9155
            },
            "end": {
              "local": "2018-09-10T11:40:32-03:00",
              "utc": "2018-09-10T14:40:32Z",
              "ms": 1536590431705.9155
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 15:01 on Sun 9 Sep to 12:06 on Mon 10 Sep.",
          "fact": "2018-09-09T18:01:28Z → 2018-09-10T15:05:46Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:53–11:41 on the 9th, 10:53–11:41 on the 10th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 1514 s"
        },
        {
          "step": "ruling",
          "text": "Rudra Vrata, Recife, 2018: Monday 10 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rudra-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Rudra vrata (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-09-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-09-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Rudra Vrata 2018 falls on Monday 10 September. Pratipadā runs from 15:01 on Sun 9 Sep to 12:06 on Mon 10 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/haritalika-vrata",
      "festival": "haritalika-vrata",
      "name": "Haritālikā Vrata",
      "everyday": "Hartalika Teej",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-09-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4647,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2018-09-11T09:34:44-03:00",
          "utc": "2018-09-11T12:34:44Z",
          "ms": 1536669283697.1453
        },
        "end": {
          "local": "2018-09-12T07:37:29-03:00",
          "utc": "2018-09-12T10:37:29Z",
          "ms": 1536748648969.6477
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-09-11T09:34:44-03:00",
          "utc": "2018-09-11T12:34:44Z",
          "ms": 1536669283697.1453
        },
        "end": {
          "local": "2018-09-12T07:37:29-03:00",
          "utc": "2018-09-12T10:37:29Z",
          "ms": 1536748648969.6477
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-09-11",
          "window": {
            "start": {
              "local": "2018-09-11T10:52:11-03:00",
              "utc": "2018-09-11T13:52:11Z",
              "ms": 1536673930739.3564
            },
            "end": {
              "local": "2018-09-11T11:40:11-03:00",
              "utc": "2018-09-11T14:40:11Z",
              "ms": 1536676810739.3564
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-09-12",
          "window": {
            "start": {
              "local": "2018-09-12T10:51:50-03:00",
              "utc": "2018-09-12T13:51:50Z",
              "ms": 1536760309653.3916
            },
            "end": {
              "local": "2018-09-12T11:39:50-03:00",
              "utc": "2018-09-12T14:39:50Z",
              "ms": 1536763189653.3916
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 09:35 on Tue 11 Sep to 07:37 on Wed 12 Sep.",
          "fact": "2018-09-11T12:34:44Z → 2018-09-12T10:37:29Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:52–11:40 on the 11th, 10:52–11:40 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 4647 s"
        },
        {
          "step": "ruling",
          "text": "Haritālikā Vrata, Recife, 2018: Tuesday 11 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "haritalika-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Haritalika vrata (paraviddha), Gauri vrata (Orissa), Gauri (Mysore)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-09-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-09-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Haritālikā Vrata (Hartalika Teej) 2018 falls on Tuesday 11 September. Tṛtīyā runs from 09:35 on Tue 11 Sep to 07:37 on Wed 12 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/ganesha-chaturthi",
      "festival": "ganesha-chaturthi",
      "name": "Gaṇeśa Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-09-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11661,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-09-12T07:37:29-03:00",
          "utc": "2018-09-12T10:37:29Z",
          "ms": 1536748648969.6477
        },
        "end": {
          "local": "2018-09-13T06:21:55-03:00",
          "utc": "2018-09-13T09:21:55Z",
          "ms": 1536830515144.8503
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-09-12T07:37:29-03:00",
          "utc": "2018-09-12T10:37:29Z",
          "ms": 1536748648969.6477
        },
        "end": {
          "local": "2018-09-13T06:21:55-03:00",
          "utc": "2018-09-13T09:21:55Z",
          "ms": 1536830515144.8503
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-09-12",
          "window": {
            "start": {
              "local": "2018-09-12T10:51:50-03:00",
              "utc": "2018-09-12T13:51:50Z",
              "ms": 1536760309653.3916
            },
            "end": {
              "local": "2018-09-12T11:39:50-03:00",
              "utc": "2018-09-12T14:39:50Z",
              "ms": 1536763189653.3916
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-09-13",
          "window": {
            "start": {
              "local": "2018-09-13T10:51:28-03:00",
              "utc": "2018-09-13T13:51:28Z",
              "ms": 1536846688464.0967
            },
            "end": {
              "local": "2018-09-13T11:39:28-03:00",
              "utc": "2018-09-13T14:39:28Z",
              "ms": 1536849568464.0967
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 07:37 on Wed 12 Sep to 06:22 on Thu 13 Sep.",
          "fact": "2018-09-12T10:37:29Z → 2018-09-13T09:21:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:52–11:40 on the 12th, 10:51–11:39 on the 13th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 11661 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Caturthī, Recife, 2018: Wednesday 12 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ganesha-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Varada caturthi (purvaviddha, madhyahnavyapini), Samvatsari parva (Jain-caturthi paksa), Saubhagya caturthi (Bengal), Ganesa caturthi (madhyahna vyapini and purvaviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-09-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-09-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Gaṇeśa Caturthī 2018 falls on Wednesday 12 September. Caturthī runs from 07:37 on Wed 12 Sep to 06:22 on Thu 13 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/rishi-panchami",
      "festival": "rishi-panchami",
      "name": "Ṛṣi Pañcamī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-09-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16173,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2018-09-13T06:21:55-03:00",
          "utc": "2018-09-13T09:21:55Z",
          "ms": 1536830515144.8503
        },
        "end": {
          "local": "2018-09-14T05:53:43-03:00",
          "utc": "2018-09-14T08:53:43Z",
          "ms": 1536915222981.1626
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-09-13T06:21:55-03:00",
          "utc": "2018-09-13T09:21:55Z",
          "ms": 1536830515144.8503
        },
        "end": {
          "local": "2018-09-14T05:53:43-03:00",
          "utc": "2018-09-14T08:53:43Z",
          "ms": 1536915222981.1626
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-09-13",
          "window": {
            "start": {
              "local": "2018-09-13T10:51:28-03:00",
              "utc": "2018-09-13T13:51:28Z",
              "ms": 1536846688464.0967
            },
            "end": {
              "local": "2018-09-13T11:39:28-03:00",
              "utc": "2018-09-13T14:39:28Z",
              "ms": 1536849568464.0967
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-09-14",
          "window": {
            "start": {
              "local": "2018-09-14T10:51:07-03:00",
              "utc": "2018-09-14T13:51:07Z",
              "ms": 1536933067188.6514
            },
            "end": {
              "local": "2018-09-14T11:39:07-03:00",
              "utc": "2018-09-14T14:39:07Z",
              "ms": 1536935947188.6514
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 06:22 on Thu 13 Sep to 05:54 on Fri 14 Sep.",
          "fact": "2018-09-13T09:21:55Z → 2018-09-14T08:53:43Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:51–11:39 on the 13th, 10:51–11:39 on the 14th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 0 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: disputed → only-day · margin 16173 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Pañcamī, Recife, 2018: Thursday 13 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rishi-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Rsi pancami (madhyahnavyapini) — If occurs on two successive days, it is to be observed according to Madhava on the 1st day and according to Hemadri and Divodasa on the 2nd day"
          }
        ],
        "kaala": "madhyahna",
        "priority": "disputed",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-09-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-09-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Ṛṣi Pañcamī 2018 falls on Thursday 13 September. Pañcamī runs from 06:22 on Thu 13 Sep to 05:54 on Fri 14 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/surya-shashthi-bhadrapada",
      "festival": "surya-shashthi-bhadrapada",
      "name": "Sūrya Ṣaṣṭhī (Bhādrapada)",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-09-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16533,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2018-09-14T05:53:43-03:00",
          "utc": "2018-09-14T08:53:43Z",
          "ms": 1536915222981.1626
        },
        "end": {
          "local": "2018-09-15T06:15:13-03:00",
          "utc": "2018-09-15T09:15:13Z",
          "ms": 1537002912849.6812
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-09-14T05:53:43-03:00",
          "utc": "2018-09-14T08:53:43Z",
          "ms": 1536915222981.1626
        },
        "end": {
          "local": "2018-09-15T06:15:13-03:00",
          "utc": "2018-09-15T09:15:13Z",
          "ms": 1537002912849.6812
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-09-14",
          "window": {
            "start": {
              "local": "2018-09-14T10:51:07-03:00",
              "utc": "2018-09-14T13:51:07Z",
              "ms": 1536933067188.6514
            },
            "end": {
              "local": "2018-09-14T11:39:07-03:00",
              "utc": "2018-09-14T14:39:07Z",
              "ms": 1536935947188.6514
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-09-15",
          "window": {
            "start": {
              "local": "2018-09-15T10:50:46-03:00",
              "utc": "2018-09-15T13:50:46Z",
              "ms": 1537019445845.273
            },
            "end": {
              "local": "2018-09-15T11:38:46-03:00",
              "utc": "2018-09-15T14:38:46Z",
              "ms": 1537022325845.273
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 05:54 on Fri 14 Sep to 06:15 on Sat 15 Sep.",
          "fact": "2018-09-14T08:53:43Z → 2018-09-15T09:15:13Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:51–11:39 on the 14th, 10:51–11:39 on the 15th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 16533 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Recife, 2018: Friday 14 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "surya-shashthi-bhadrapada",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Surya sasthi (paraviddha), Lolarka sasthi"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-09-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-09-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Sūrya Ṣaṣṭhī (Bhādrapada) 2018 falls on Friday 14 September. Ṣaṣṭhī runs from 05:54 on Fri 14 Sep to 06:15 on Sat 15 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/muktabharana-vrata",
      "festival": "muktabharana-vrata",
      "name": "Muktābharaṇa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-09-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12359,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2018-09-15T06:15:13-03:00",
          "utc": "2018-09-15T09:15:13Z",
          "ms": 1537002912849.6812
        },
        "end": {
          "local": "2018-09-16T07:24:25-03:00",
          "utc": "2018-09-16T10:24:25Z",
          "ms": 1537093465156.734
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-09-15T06:15:13-03:00",
          "utc": "2018-09-15T09:15:13Z",
          "ms": 1537002912849.6812
        },
        "end": {
          "local": "2018-09-16T07:24:25-03:00",
          "utc": "2018-09-16T10:24:25Z",
          "ms": 1537093465156.734
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-09-15",
          "window": {
            "start": {
              "local": "2018-09-15T10:50:46-03:00",
              "utc": "2018-09-15T13:50:46Z",
              "ms": 1537019445845.273
            },
            "end": {
              "local": "2018-09-15T11:38:46-03:00",
              "utc": "2018-09-15T14:38:46Z",
              "ms": 1537022325845.273
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-09-16",
          "window": {
            "start": {
              "local": "2018-09-16T10:50:24-03:00",
              "utc": "2018-09-16T13:50:24Z",
              "ms": 1537105824453.088
            },
            "end": {
              "local": "2018-09-16T11:38:24-03:00",
              "utc": "2018-09-16T14:38:24Z",
              "ms": 1537108704453.088
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 06:15 on Sat 15 Sep to 07:24 on Sun 16 Sep.",
          "fact": "2018-09-15T09:15:13Z → 2018-09-16T10:24:25Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:51–11:39 on the 15th, 10:50–11:38 on the 16th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 12359 s"
        },
        {
          "step": "ruling",
          "text": "Muktābharaṇa Vrata, Recife, 2018: Saturday 15 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "muktabharana-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Muktabharana vrata (purvaviddha), Lalita saptami (Bengal & Orissa)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-09-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-09-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Muktābharaṇa Vrata 2018 falls on Saturday 15 September. Saptamī runs from 06:15 on Sat 15 Sep to 07:24 on Sun 16 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/radhashtami",
      "festival": "radhashtami",
      "name": "Rādhāṣṭamī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-09-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5731,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2018-09-16T07:24:25-03:00",
          "utc": "2018-09-16T10:24:25Z",
          "ms": 1537093465156.734
        },
        "end": {
          "local": "2018-09-17T09:14:32-03:00",
          "utc": "2018-09-17T12:14:32Z",
          "ms": 1537186471983.9614
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-09-16T07:24:25-03:00",
          "utc": "2018-09-16T10:24:25Z",
          "ms": 1537093465156.734
        },
        "end": {
          "local": "2018-09-17T09:14:32-03:00",
          "utc": "2018-09-17T12:14:32Z",
          "ms": 1537186471983.9614
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-09-16",
          "window": {
            "start": {
              "local": "2018-09-16T10:50:24-03:00",
              "utc": "2018-09-16T13:50:24Z",
              "ms": 1537105824453.088
            },
            "end": {
              "local": "2018-09-16T11:38:24-03:00",
              "utc": "2018-09-16T14:38:24Z",
              "ms": 1537108704453.088
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-09-17",
          "window": {
            "start": {
              "local": "2018-09-17T10:50:03-03:00",
              "utc": "2018-09-17T13:50:03Z",
              "ms": 1537192203031.996
            },
            "end": {
              "local": "2018-09-17T11:38:03-03:00",
              "utc": "2018-09-17T14:38:03Z",
              "ms": 1537195083031.996
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 07:24 on Sun 16 Sep to 09:15 on Mon 17 Sep.",
          "fact": "2018-09-16T10:24:25Z → 2018-09-17T12:14:32Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:50–11:38 on the 16th, 10:50–11:38 on the 17th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 5731 s"
        },
        {
          "step": "ruling",
          "text": "Rādhāṣṭamī, Recife, 2018: Sunday 16 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "radhashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-09-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-09-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Rādhāṣṭamī 2018 falls on Sunday 16 September. Aṣṭamī runs from 07:24 on Sun 16 Sep to 09:15 on Mon 17 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/ekadashi?on=2018-09-20",
      "festival": "ekadashi",
      "name": "Parivartanī Ekādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-09-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32335,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2018-09-19T14:09:57-03:00",
          "utc": "2018-09-19T17:09:57Z",
          "ms": 1537376997300.0315
        },
        "end": {
          "local": "2018-09-20T16:46:32-03:00",
          "utc": "2018-09-20T19:46:32Z",
          "ms": 1537472791552.3367
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-09-19T14:09:57-03:00",
          "utc": "2018-09-19T17:09:57Z",
          "ms": 1537376997300.0315
        },
        "end": {
          "local": "2018-09-20T16:46:32-03:00",
          "utc": "2018-09-20T19:46:32Z",
          "ms": 1537472791552.3367
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-09-19",
          "window": {
            "start": {
              "local": "2018-09-19T05:11:02-03:00",
              "utc": "2018-09-19T08:11:02Z",
              "ms": 1537344662250.8057
            },
            "end": {
              "local": "2018-09-19T05:11:02-03:00",
              "utc": "2018-09-19T08:11:02Z",
              "ms": 1537344662250.8057
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2018-09-20",
          "window": {
            "start": {
              "local": "2018-09-20T05:10:28-03:00",
              "utc": "2018-09-20T08:10:28Z",
              "ms": 1537431027705.0564
            },
            "end": {
              "local": "2018-09-20T05:10:28-03:00",
              "utc": "2018-09-20T08:10:28Z",
              "ms": 1537431027705.0564
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 14:10 on Wed 19 Sep to 16:47 on Thu 20 Sep.",
          "fact": "2018-09-19T17:09:57Z → 2018-09-20T19:46:32Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:11 on the 19th and 05:10 on the 20th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 19th and is on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 32335 s"
        },
        {
          "step": "ruling",
          "text": "Parivartanī Ekādaśī, Recife, 2018: Thursday 20 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-09-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-09-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Parivartanī Ekādaśī 2018 falls on Thursday 20 September. Ekādaśī runs from 14:10 on Wed 19 Sep to 16:47 on Thu 20 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/ekadashi?on=2018-09-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/vamana-jayanti",
      "festival": "vamana-jayanti",
      "name": "Vāmana Jayantī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-09-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18573,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2018-09-20T16:46:32-03:00",
          "utc": "2018-09-20T19:46:32Z",
          "ms": 1537472791552.3367
        },
        "end": {
          "local": "2018-09-21T19:11:01-03:00",
          "utc": "2018-09-21T22:11:01Z",
          "ms": 1537567860848.9966
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-09-20T16:46:32-03:00",
          "utc": "2018-09-20T19:46:32Z",
          "ms": 1537472791552.3367
        },
        "end": {
          "local": "2018-09-21T19:11:01-03:00",
          "utc": "2018-09-21T22:11:01Z",
          "ms": 1537567860848.9966
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-09-20",
          "window": {
            "start": {
              "local": "2018-09-20T10:48:59-03:00",
              "utc": "2018-09-20T13:48:59Z",
              "ms": 1537451338803.5532
            },
            "end": {
              "local": "2018-09-20T11:36:59-03:00",
              "utc": "2018-09-20T14:36:59Z",
              "ms": 1537454218803.5532
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-09-21",
          "window": {
            "start": {
              "local": "2018-09-21T10:48:37-03:00",
              "utc": "2018-09-21T13:48:37Z",
              "ms": 1537537717477.7258
            },
            "end": {
              "local": "2018-09-21T11:36:37-03:00",
              "utc": "2018-09-21T14:36:37Z",
              "ms": 1537540597477.7258
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 16:47 on Thu 20 Sep to 19:11 on Fri 21 Sep.",
          "fact": "2018-09-20T19:46:32Z → 2018-09-21T22:11:01Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:49–11:37 on the 20th, 10:49–11:37 on the 21st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 20th and 48 of 48 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 18573 s"
        },
        {
          "step": "ruling",
          "text": "Vāmana Jayantī, Recife, 2018: Friday 21 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": "2018-09-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-09-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Vāmana Jayantī 2018 falls on Friday 21 September. Dvādaśī runs from 16:47 on Thu 20 Sep to 19:11 on Fri 21 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/pradosha-vrata?on=2018-09-22",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-09-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1227,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-09-21T19:11:01-03:00",
          "utc": "2018-09-21T22:11:01Z",
          "ms": 1537567860848.9966
        },
        "end": {
          "local": "2018-09-22T21:13:33-03:00",
          "utc": "2018-09-23T00:13:33Z",
          "ms": 1537661613398.4084
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-09-21T19:11:01-03:00",
          "utc": "2018-09-21T22:11:01Z",
          "ms": 1537567860848.9966
        },
        "end": {
          "local": "2018-09-22T21:13:33-03:00",
          "utc": "2018-09-23T00:13:33Z",
          "ms": 1537661613398.4084
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-09-21",
          "window": {
            "start": {
              "local": "2018-09-21T17:15:22-03:00",
              "utc": "2018-09-21T20:15:22Z",
              "ms": 1537560921765.5334
            },
            "end": {
              "local": "2018-09-21T18:50:33-03:00",
              "utc": "2018-09-21T21:50:33Z",
              "ms": 1537566633360.7544
            }
          },
          "covered_min": 0,
          "window_min": 95,
          "qualifies": false
        },
        {
          "local_date": "2018-09-22",
          "window": {
            "start": {
              "local": "2018-09-22T17:15:14-03:00",
              "utc": "2018-09-22T20:15:14Z",
              "ms": 1537647313732.182
            },
            "end": {
              "local": "2018-09-22T18:50:22-03:00",
              "utc": "2018-09-22T21:50:22Z",
              "ms": 1537653021814.4363
            }
          },
          "covered_min": 95,
          "window_min": 95,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 19:11 on Fri 21 Sep to 21:14 on Sat 22 Sep.",
          "fact": "2018-09-21T22:11:01Z → 2018-09-23T00:13:33Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:15–18:51 on the 21st, 17:15–18:50 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 95 minutes on the 21st and 95 of 95 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 1227 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Recife, 2018: Saturday 22 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": "2018-09-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-09-22",
          "confidence": "boundary"
        }
      ],
      "quote": "In Recife, Śukla Pradoṣa Vrata 2018 falls on Saturday 22 September. Trayodaśī runs from 19:11 on Fri 21 Sep to 21:14 on Sat 22 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/pradosha-vrata?on=2018-09-22",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/ananta-chaturdashi",
      "festival": "ananta-chaturdashi",
      "name": "Ananta Caturdaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-09-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22801,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2018-09-22T21:13:33-03:00",
          "utc": "2018-09-23T00:13:33Z",
          "ms": 1537661613398.4084
        },
        "end": {
          "local": "2018-09-23T22:48:09-03:00",
          "utc": "2018-09-24T01:48:09Z",
          "ms": 1537753689242.162
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-09-22T21:13:33-03:00",
          "utc": "2018-09-23T00:13:33Z",
          "ms": 1537661613398.4084
        },
        "end": {
          "local": "2018-09-23T22:48:09-03:00",
          "utc": "2018-09-24T01:48:09Z",
          "ms": 1537753689242.162
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "2018-09-23",
          "window": {
            "start": {
              "local": "2018-09-23T05:08:44-03:00",
              "utc": "2018-09-23T08:08:44Z",
              "ms": 1537690124349.09
            },
            "end": {
              "local": "2018-09-23T07:34:01-03:00",
              "utc": "2018-09-23T10:34:01Z",
              "ms": 1537698840643.928
            }
          },
          "covered_min": 145,
          "window_min": 145,
          "qualifies": true
        },
        {
          "local_date": "2018-09-24",
          "window": {
            "start": {
              "local": "2018-09-24T05:08:10-03:00",
              "utc": "2018-09-24T08:08:10Z",
              "ms": 1537776490073.2166
            },
            "end": {
              "local": "2018-09-24T07:33:32-03:00",
              "utc": "2018-09-24T10:33:32Z",
              "ms": 1537785211670.6797
            }
          },
          "covered_min": 0,
          "window_min": 145,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 21:14 on Sat 22 Sep to 22:48 on Sun 23 Sep.",
          "fact": "2018-09-23T00:13:33Z → 2018-09-24T01:48:09Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:09–07:34 on the 23rd, 05:08–07:34 on the 24th.",
          "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 145 of 145 minutes on the 23rd and 0 of 145 on the 24th.",
          "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 22801 s"
        },
        {
          "step": "ruling",
          "text": "Ananta Caturdaśī, Recife, 2018: Sunday 23 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ananta-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 14 Ananta caturdasi (covering three muhurtas from sunrise, but one muhurta in Bengal)."
          }
        ],
        "not_evaluated": "In Bengal the row asks for one muhūrta from sunrise; that reading is not applied.",
        "kaala": "udaya-3",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-09-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-09-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Ananta Caturdaśī 2018 falls on Sunday 23 September. Caturdaśī runs from 21:14 on Sat 22 Sep to 22:48 on Sun 23 Sep and covers all of the first three muhūrtas after sunrise that morning.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/sankashta-chaturthi?on=2018-09-28",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-09-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11495,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-09-28T00:14:38-03:00",
          "utc": "2018-09-28T03:14:38Z",
          "ms": 1538104478302.8882
        },
        "end": {
          "local": "2018-09-28T23:34:01-03:00",
          "utc": "2018-09-29T02:34:01Z",
          "ms": 1538188440799.8599
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-09-28T00:14:38-03:00",
          "utc": "2018-09-28T03:14:38Z",
          "ms": 1538104478302.8882
        },
        "end": {
          "local": "2018-09-28T23:34:01-03:00",
          "utc": "2018-09-29T02:34:01Z",
          "ms": 1538188440799.8599
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2018-09-27",
          "window": {
            "start": {
              "local": "2018-09-27T19:30:33-03:00",
              "utc": "2018-09-27T22:30:33Z",
              "ms": 1538087433485.6472
            },
            "end": {
              "local": "2018-09-27T19:30:33-03:00",
              "utc": "2018-09-27T22:30:33Z",
              "ms": 1538087433485.6472
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2018-09-28",
          "window": {
            "start": {
              "local": "2018-09-28T20:22:26-03:00",
              "utc": "2018-09-28T23:22:26Z",
              "ms": 1538176946051.524
            },
            "end": {
              "local": "2018-09-28T20:22:26-03:00",
              "utc": "2018-09-28T23:22:26Z",
              "ms": 1538176946051.524
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 00:15 on Fri 28 Sep to 23:34 on Fri 28 Sep.",
          "fact": "2018-09-28T03:14:38Z → 2018-09-29T02:34:01Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:31 on the 27th and 20:22 on the 28th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 27th and is on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 11495 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Recife, 2018: Friday 28 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-09-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-09-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Saṅkaṣṭa Caturthī 2018 falls on Friday 28 September. Caturthī runs from 00:15 on Fri 28 Sep to 23:34 on Fri 28 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/sankashta-chaturthi?on=2018-09-28",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/chandra-shashthi",
      "festival": "chandra-shashthi",
      "name": "Candra Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-09-29",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 3483,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2018-09-29T22:33:37-03:00",
          "utc": "2018-09-30T01:33:37Z",
          "ms": 1538271217018.0454
        },
        "end": {
          "local": "2018-09-30T21:15:05-03:00",
          "utc": "2018-10-01T00:15:05Z",
          "ms": 1538352904691.5183
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-09-29T22:33:37-03:00",
          "utc": "2018-09-30T01:33:37Z",
          "ms": 1538271217018.0454
        },
        "end": {
          "local": "2018-09-30T21:15:05-03:00",
          "utc": "2018-10-01T00:15:05Z",
          "ms": 1538352904691.5183
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2018-09-29",
          "window": {
            "start": {
              "local": "2018-09-29T21:16:40-03:00",
              "utc": "2018-09-30T00:16:40Z",
              "ms": 1538266599579.0476
            },
            "end": {
              "local": "2018-09-29T21:16:40-03:00",
              "utc": "2018-09-30T00:16:40Z",
              "ms": 1538266599579.0476
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2018-09-30",
          "window": {
            "start": {
              "local": "2018-09-30T22:13:08-03:00",
              "utc": "2018-10-01T01:13:08Z",
              "ms": 1538356387685.8037
            },
            "end": {
              "local": "2018-09-30T22:13:08-03:00",
              "utc": "2018-10-01T01:13:08Z",
              "ms": 1538356387685.8037
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 22:34 on Sat 29 Sep to 21:15 on Sun 30 Sep.",
          "fact": "2018-09-30T01:33:37Z → 2018-10-01T00:15:05Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:17 on the 29th and 22:13 on the 30th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be current at moonrise. It is not on the 29th and is not on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Neither moonrise qualifies. The day the tithi falls on is taken.",
          "fact": "priority: purvaviddha → tithi-day · margin 3483 s"
        },
        {
          "step": "ruling",
          "text": "Candra Ṣaṣṭhī, Recife, 2018: Saturday 29 September.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "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": "2018-09-29",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-09-29",
          "confidence": "boundary"
        }
      ],
      "quote": "In Recife, Candra Ṣaṣṭhī 2018 falls on Saturday 29 September. Ṣaṣṭhī runs from 22:34 on Sat 29 Sep to 21:15 on Sun 30 Sep, and is current at moonrise on neither day.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/mahalakshmi-vrata-samapana",
      "festival": "mahalakshmi-vrata-samapana",
      "name": "Mahālakṣmī Vrata Samāpana",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-10-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12707,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2018-10-01T19:39:25-03:00",
          "utc": "2018-10-01T22:39:25Z",
          "ms": 1538433565413.93
        },
        "end": {
          "local": "2018-10-02T17:47:26-03:00",
          "utc": "2018-10-02T20:47:26Z",
          "ms": 1538513245742.2275
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-10-01T19:39:25-03:00",
          "utc": "2018-10-01T22:39:25Z",
          "ms": 1538433565413.93
        },
        "end": {
          "local": "2018-10-02T17:47:26-03:00",
          "utc": "2018-10-02T20:47:26Z",
          "ms": 1538513245742.2275
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2018-10-01",
          "window": {
            "start": {
              "local": "2018-10-01T23:11:12-03:00",
              "utc": "2018-10-02T02:11:12Z",
              "ms": 1538446272270.3713
            },
            "end": {
              "local": "2018-10-01T23:11:12-03:00",
              "utc": "2018-10-02T02:11:12Z",
              "ms": 1538446272270.3713
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2018-10-02",
          "window": {
            "start": {
              "local": "2018-10-03T00:09:46-03:00",
              "utc": "2018-10-03T03:09:46Z",
              "ms": 1538536186061.8135
            },
            "end": {
              "local": "2018-10-03T00:09:46-03:00",
              "utc": "2018-10-03T03:09:46Z",
              "ms": 1538536186061.8135
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 19:39 on Mon 1 Oct to 17:47 on Tue 2 Oct.",
          "fact": "2018-10-01T22:39:25Z → 2018-10-02T20:47:26Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 23:11 on the 1st and 00:10 on the 2nd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is on the 1st and is not on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 12707 s"
        },
        {
          "step": "ruling",
          "text": "Mahālakṣmī Vrata Samāpana, Recife, 2018: Monday 1 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mahalakshmi-vrata-samapana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja"
          }
        ],
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-10-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-10-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Mahālakṣmī Vrata Samāpana 2018 falls on Monday 1 October. Aṣṭamī runs from 19:39 on Mon 1 Oct to 17:47 on Tue 2 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/jitashtami",
      "festival": "jitashtami",
      "name": "Jitāṣṭamī",
      "everyday": "Jitiya",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-10-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2002,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2018-10-01T19:39:25-03:00",
          "utc": "2018-10-01T22:39:25Z",
          "ms": 1538433565413.93
        },
        "end": {
          "local": "2018-10-02T17:47:26-03:00",
          "utc": "2018-10-02T20:47:26Z",
          "ms": 1538513245742.2275
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-10-01T19:39:25-03:00",
          "utc": "2018-10-01T22:39:25Z",
          "ms": 1538433565413.93
        },
        "end": {
          "local": "2018-10-02T17:47:26-03:00",
          "utc": "2018-10-02T20:47:26Z",
          "ms": 1538513245742.2275
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-10-01",
          "window": {
            "start": {
              "local": "2018-10-01T17:14:10-03:00",
              "utc": "2018-10-01T20:14:10Z",
              "ms": 1538424849671.7368
            },
            "end": {
              "local": "2018-10-01T18:48:46-03:00",
              "utc": "2018-10-01T21:48:46Z",
              "ms": 1538430526076.6763
            }
          },
          "covered_min": 0,
          "window_min": 95,
          "qualifies": false
        },
        {
          "local_date": "2018-10-02",
          "window": {
            "start": {
              "local": "2018-10-02T17:14:04-03:00",
              "utc": "2018-10-02T20:14:04Z",
              "ms": 1538511243867.3
            },
            "end": {
              "local": "2018-10-02T18:48:37-03:00",
              "utc": "2018-10-02T21:48:37Z",
              "ms": 1538516916754.4824
            }
          },
          "covered_min": 33,
          "window_min": 95,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 19:39 on Mon 1 Oct to 17:47 on Tue 2 Oct.",
          "fact": "2018-10-01T22:39:25Z → 2018-10-02T20:47:26Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:14–18:49 on the 1st, 17:14–18:49 on the 2nd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during pradoṣa. It covers 0 of 95 minutes on the 1st and 33 of 95 on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2002 s"
        },
        {
          "step": "ruling",
          "text": "Jitāṣṭamī, Recife, 2018: Tuesday 2 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "jitashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja"
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-10-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-10-02",
          "confidence": "boundary"
        }
      ],
      "quote": "In Recife, Jitāṣṭamī (Jitiya) 2018 falls on Tuesday 2 October. Aṣṭamī runs from 19:39 on Mon 1 Oct to 17:47 on Tue 2 Oct and covers 33 of 95 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/ekadashi?on=2018-10-05",
      "festival": "ekadashi",
      "name": "Indirā Ekādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-10-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20748,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2018-10-04T13:19:17-03:00",
          "utc": "2018-10-04T16:19:17Z",
          "ms": 1538669957162.1123
        },
        "end": {
          "local": "2018-10-05T10:47:55-03:00",
          "utc": "2018-10-05T13:47:55Z",
          "ms": 1538747275036.1294
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-10-04T13:19:17-03:00",
          "utc": "2018-10-04T16:19:17Z",
          "ms": 1538669957162.1123
        },
        "end": {
          "local": "2018-10-05T10:47:55-03:00",
          "utc": "2018-10-05T13:47:55Z",
          "ms": 1538747275036.1294
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-10-04",
          "window": {
            "start": {
              "local": "2018-10-04T05:02:39-03:00",
              "utc": "2018-10-04T08:02:39Z",
              "ms": 1538640158686.156
            },
            "end": {
              "local": "2018-10-04T05:02:39-03:00",
              "utc": "2018-10-04T08:02:39Z",
              "ms": 1538640158686.156
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2018-10-05",
          "window": {
            "start": {
              "local": "2018-10-05T05:02:07-03:00",
              "utc": "2018-10-05T08:02:07Z",
              "ms": 1538726527224.822
            },
            "end": {
              "local": "2018-10-05T05:02:07-03:00",
              "utc": "2018-10-05T08:02:07Z",
              "ms": 1538726527224.822
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 13:19 on Thu 4 Oct to 10:48 on Fri 5 Oct.",
          "fact": "2018-10-04T16:19:17Z → 2018-10-05T13:47:55Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:03 on the 4th and 05:02 on the 5th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 4th and is on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 20748 s"
        },
        {
          "step": "ruling",
          "text": "Indirā Ekādaśī, Recife, 2018: Friday 5 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-10-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-10-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Indirā Ekādaśī 2018 falls on Friday 5 October. Ekādaśī runs from 13:19 on Thu 4 Oct to 10:48 on Fri 5 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/ekadashi?on=2018-10-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/pradosha-vrata?on=2018-10-06",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-10-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32598,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-10-06T08:10:26-03:00",
          "utc": "2018-10-06T11:10:26Z",
          "ms": 1538824226432.8416
        },
        "end": {
          "local": "2018-10-07T05:32:46-03:00",
          "utc": "2018-10-07T08:32:46Z",
          "ms": 1538901166173.427
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-10-06T08:10:26-03:00",
          "utc": "2018-10-06T11:10:26Z",
          "ms": 1538824226432.8416
        },
        "end": {
          "local": "2018-10-07T05:32:46-03:00",
          "utc": "2018-10-07T08:32:46Z",
          "ms": 1538901166173.427
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-10-06",
          "window": {
            "start": {
              "local": "2018-10-06T17:13:44-03:00",
              "utc": "2018-10-06T20:13:44Z",
              "ms": 1538856824173.2747
            },
            "end": {
              "local": "2018-10-06T18:48:03-03:00",
              "utc": "2018-10-06T21:48:03Z",
              "ms": 1538862483017.114
            }
          },
          "covered_min": 94,
          "window_min": 94,
          "qualifies": true
        },
        {
          "local_date": "2018-10-07",
          "window": {
            "start": {
              "local": "2018-10-07T17:13:40-03:00",
              "utc": "2018-10-07T20:13:40Z",
              "ms": 1538943220206.1233
            },
            "end": {
              "local": "2018-10-07T18:47:56-03:00",
              "utc": "2018-10-07T21:47:56Z",
              "ms": 1538948875549.0115
            }
          },
          "covered_min": 0,
          "window_min": 94,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 08:10 on Sat 6 Oct to 05:33 on Sun 7 Oct.",
          "fact": "2018-10-06T11:10:26Z → 2018-10-07T08:32:46Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:14–18:48 on the 6th, 17:14–18:48 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 94 of 94 minutes on the 6th and 0 of 94 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 32598 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Recife, 2018: Saturday 6 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": "2018-10-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-10-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Kṛṣṇa Pradoṣa Vrata 2018 falls on Saturday 6 October. Trayodaśī runs from 08:10 on Sat 6 Oct to 05:33 on Sun 7 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/pradosha-vrata?on=2018-10-06",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/shivaratri?on=2018-10-07",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-10-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12661,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2018-10-07T05:32:46-03:00",
          "utc": "2018-10-07T08:32:46Z",
          "ms": 1538901166173.427
        },
        "end": {
          "local": "2018-10-08T03:02:09-03:00",
          "utc": "2018-10-08T06:02:09Z",
          "ms": 1538978529138.7585
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-10-07T05:32:46-03:00",
          "utc": "2018-10-07T08:32:46Z",
          "ms": 1538901166173.427
        },
        "end": {
          "local": "2018-10-08T03:02:09-03:00",
          "utc": "2018-10-08T06:02:09Z",
          "ms": 1538978529138.7585
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2018-10-06",
          "window": {
            "start": {
              "local": "2018-10-06T22:43:25-03:00",
              "utc": "2018-10-07T01:43:25Z",
              "ms": 1538876604837.6719
            },
            "end": {
              "local": "2018-10-06T23:31:25-03:00",
              "utc": "2018-10-07T02:31:25Z",
              "ms": 1538879484837.6719
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-10-07",
          "window": {
            "start": {
              "local": "2018-10-07T22:43:08-03:00",
              "utc": "2018-10-08T01:43:08Z",
              "ms": 1538962987741.954
            },
            "end": {
              "local": "2018-10-07T23:31:08-03:00",
              "utc": "2018-10-08T02:31:08Z",
              "ms": 1538965867741.954
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 05:33 on Sun 7 Oct to 03:02 on Mon 8 Oct.",
          "fact": "2018-10-07T08:32:46Z → 2018-10-08T06:02:09Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:43–23:31 on the 6th, 22:43–23:31 on the 7th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 6th and 48 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 12661 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Recife, 2018: Sunday 7 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-10-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-10-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śivarātri 2018 falls on Sunday 7 October. Caturdaśī runs from 05:33 on Sun 7 Oct to 03:02 on Mon 8 Oct and covers all of niśītha that night.",
      "cite": "https://ahargana.org/recife/festivals/2018/shivaratri?on=2018-10-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/mahalaya-amavasya",
      "festival": "mahalaya-amavasya",
      "name": "Mahālaya Amāvāsyā",
      "everyday": "Sarvapitṛ Amāvāsyā",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-10-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33495,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2018-10-08T03:02:09-03:00",
          "utc": "2018-10-08T06:02:09Z",
          "ms": 1538978529138.7585
        },
        "end": {
          "local": "2018-10-09T00:46:51-03:00",
          "utc": "2018-10-09T03:46:51Z",
          "ms": 1539056810561.2227
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-10-08T03:02:09-03:00",
          "utc": "2018-10-08T06:02:09Z",
          "ms": 1538978529138.7585
        },
        "end": {
          "local": "2018-10-09T00:46:51-03:00",
          "utc": "2018-10-09T03:46:51Z",
          "ms": 1539056810561.2227
        }
      },
      "kaala": "aparahna",
      "days": [
        {
          "local_date": "2018-10-08",
          "window": {
            "start": {
              "local": "2018-10-08T12:20:24-03:00",
              "utc": "2018-10-08T15:20:24Z",
              "ms": 1539012024099.9373
            },
            "end": {
              "local": "2018-10-08T14:47:00-03:00",
              "utc": "2018-10-08T17:47:00Z",
              "ms": 1539020820373.9883
            }
          },
          "covered_min": 147,
          "window_min": 147,
          "qualifies": true
        },
        {
          "local_date": "2018-10-09",
          "window": {
            "start": {
              "local": "2018-10-09T12:20:10-03:00",
              "utc": "2018-10-09T15:20:10Z",
              "ms": 1539098410307.5032
            },
            "end": {
              "local": "2018-10-09T14:46:52-03:00",
              "utc": "2018-10-09T17:46:52Z",
              "ms": 1539107211909.3457
            }
          },
          "covered_min": 0,
          "window_min": 147,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 03:02 on Mon 8 Oct to 00:47 on Tue 9 Oct.",
          "fact": "2018-10-08T06:02:09Z → 2018-10-09T03:46:51Z"
        },
        {
          "step": "kaala",
          "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 12:20–14:47 on the 8th, 12:20–14:47 on the 9th.",
          "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during aparāhṇa. It covers 147 of 147 minutes on the 8th and 0 of 147 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one afternoon qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 33495 s"
        },
        {
          "step": "ruling",
          "text": "Mahālaya Amāvāsyā, Recife, 2018: Monday 8 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mahalaya-amavasya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 30 Mahalaya amavasya (aparahnavyapini)"
          }
        ],
        "not_evaluated": "The note on p. 106 gives the first day in a decreasing tithimāna and the second in an increasing one, when amāvāsyā covers the whole of aparāhṇa on both days; tithimāna is not computed.",
        "kaala": "aparahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-10-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-10-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Mahālaya Amāvāsyā 2018 falls on Monday 8 October. Amāvasyā runs from 03:02 on Mon 8 Oct to 00:47 on Tue 9 Oct and covers all of aparāhṇa that afternoon.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/navaratra-arambha",
      "festival": "navaratra-arambha",
      "name": "Navarātrārambha",
      "everyday": "Navratri",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-10-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35759,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2018-10-09T00:46:51-03:00",
          "utc": "2018-10-09T03:46:51Z",
          "ms": 1539056810561.2227
        },
        "end": {
          "local": "2018-10-09T22:55:36-03:00",
          "utc": "2018-10-10T01:55:36Z",
          "ms": 1539136535822.0413
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-10-09T00:46:51-03:00",
          "utc": "2018-10-09T03:46:51Z",
          "ms": 1539056810561.2227
        },
        "end": {
          "local": "2018-10-09T22:55:36-03:00",
          "utc": "2018-10-10T01:55:36Z",
          "ms": 1539136535822.0413
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-10-09",
          "window": {
            "start": {
              "local": "2018-10-09T10:42:50-03:00",
              "utc": "2018-10-09T13:42:50Z",
              "ms": 1539092569506.5818
            },
            "end": {
              "local": "2018-10-09T11:30:50-03:00",
              "utc": "2018-10-09T14:30:50Z",
              "ms": 1539095449506.5818
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-10-10",
          "window": {
            "start": {
              "local": "2018-10-10T10:42:33-03:00",
              "utc": "2018-10-10T13:42:33Z",
              "ms": 1539178953499.9207
            },
            "end": {
              "local": "2018-10-10T11:30:33-03:00",
              "utc": "2018-10-10T14:30:33Z",
              "ms": 1539181833499.9207
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 00:47 on Tue 9 Oct to 22:56 on Tue 9 Oct.",
          "fact": "2018-10-09T03:46:51Z → 2018-10-10T01:55:36Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:43–11:31 on the 9th, 10:43–11:31 on the 10th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 35759 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha, Recife, 2018: Tuesday 9 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "navaratra-arambha",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Navaratrarambha (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-10-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-10-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Navarātrārambha (Navratri) 2018 falls on Tuesday 9 October. Pratipadā runs from 00:47 on Tue 9 Oct to 22:56 on Tue 9 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/vinayaka-chaturthi?on=2018-10-12",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-10-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34086,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-10-11T20:58:24-03:00",
          "utc": "2018-10-11T23:58:24Z",
          "ms": 1539302303663.2517
        },
        "end": {
          "local": "2018-10-12T21:04:59-03:00",
          "utc": "2018-10-13T00:04:59Z",
          "ms": 1539389099123.9595
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-10-11T20:58:24-03:00",
          "utc": "2018-10-11T23:58:24Z",
          "ms": 1539302303663.2517
        },
        "end": {
          "local": "2018-10-12T21:04:59-03:00",
          "utc": "2018-10-13T00:04:59Z",
          "ms": 1539389099123.9595
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-10-11",
          "window": {
            "start": {
              "local": "2018-10-11T10:42:18-03:00",
              "utc": "2018-10-11T13:42:18Z",
              "ms": 1539265337957.9321
            },
            "end": {
              "local": "2018-10-11T11:30:18-03:00",
              "utc": "2018-10-11T14:30:18Z",
              "ms": 1539268217957.9321
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-10-12",
          "window": {
            "start": {
              "local": "2018-10-12T10:42:03-03:00",
              "utc": "2018-10-12T13:42:03Z",
              "ms": 1539351722896.0168
            },
            "end": {
              "local": "2018-10-12T11:30:03-03:00",
              "utc": "2018-10-12T14:30:03Z",
              "ms": 1539354602896.0168
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 20:58 on Thu 11 Oct to 21:05 on Fri 12 Oct.",
          "fact": "2018-10-11T23:58:24Z → 2018-10-13T00:04:59Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:42–11:30 on the 11th, 10:42–11:30 on the 12th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 34086 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Recife, 2018: Friday 12 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-10-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-10-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Vināyaka Caturthī 2018 falls on Friday 12 October. Caturthī runs from 20:58 on Thu 11 Oct to 21:05 on Fri 12 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/vinayaka-chaturthi?on=2018-10-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/durga-saptami",
      "festival": "durga-saptami",
      "name": "Durgā Saptamī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-10-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11409,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2018-10-14T23:35:01-03:00",
          "utc": "2018-10-15T02:35:01Z",
          "ms": 1539570900763.333
        },
        "end": {
          "local": "2018-10-16T01:46:42-03:00",
          "utc": "2018-10-16T04:46:42Z",
          "ms": 1539665202205.107
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-10-14T23:35:01-03:00",
          "utc": "2018-10-15T02:35:01Z",
          "ms": 1539570900763.333
        },
        "end": {
          "local": "2018-10-16T01:46:42-03:00",
          "utc": "2018-10-16T04:46:42Z",
          "ms": 1539665202205.107
        }
      },
      "kaala": "udaya-1",
      "days": [
        {
          "local_date": "2018-10-15",
          "window": {
            "start": {
              "local": "2018-10-15T04:57:17-03:00",
              "utc": "2018-10-15T07:57:17Z",
              "ms": 1539590237273.317
            },
            "end": {
              "local": "2018-10-15T05:46:22-03:00",
              "utc": "2018-10-15T08:46:22Z",
              "ms": 1539593181737.1377
            }
          },
          "covered_min": 49,
          "window_min": 49,
          "qualifies": true
        },
        {
          "local_date": "2018-10-16",
          "window": {
            "start": {
              "local": "2018-10-16T04:56:51-03:00",
              "utc": "2018-10-16T07:56:51Z",
              "ms": 1539676611150.4983
            },
            "end": {
              "local": "2018-10-16T05:45:57-03:00",
              "utc": "2018-10-16T08:45:57Z",
              "ms": 1539679557366.929
            }
          },
          "covered_min": 0,
          "window_min": 49,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 23:35 on Sun 14 Oct to 01:47 on Tue 16 Oct.",
          "fact": "2018-10-15T02:35:01Z → 2018-10-16T04:46:42Z"
        },
        {
          "step": "kaala",
          "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 04:57–05:46 on the 15th, 04:57–05:46 on the 16th.",
          "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 49 of 49 minutes on the 15th and 0 of 49 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one morning qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 11409 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Saptamī, Recife, 2018: Monday 15 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "durga-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Durga saptami (paraviddha) — covering one muhurta from sunrise"
          }
        ],
        "kaala": "udaya-1",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-10-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-10-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Durgā Saptamī 2018 falls on Monday 15 October. Saptamī runs from 23:35 on Sun 14 Oct to 01:47 on Tue 16 Oct and covers all of the first muhūrta after sunrise that morning.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/mahashtami",
      "festival": "mahashtami",
      "name": "Mahāṣṭamī",
      "everyday": "Durga Ashtami",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-10-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22849,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2018-10-16T01:46:42-03:00",
          "utc": "2018-10-16T04:46:42Z",
          "ms": 1539665202205.107
        },
        "end": {
          "local": "2018-10-17T04:20:06-03:00",
          "utc": "2018-10-17T07:20:06Z",
          "ms": 1539760806114.8472
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-10-16T01:46:42-03:00",
          "utc": "2018-10-16T04:46:42Z",
          "ms": 1539665202205.107
        },
        "end": {
          "local": "2018-10-17T04:20:06-03:00",
          "utc": "2018-10-17T07:20:06Z",
          "ms": 1539760806114.8472
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-10-16",
          "window": {
            "start": {
              "local": "2018-10-16T10:41:08-03:00",
              "utc": "2018-10-16T13:41:08Z",
              "ms": 1539697267773.7275
            },
            "end": {
              "local": "2018-10-16T11:29:08-03:00",
              "utc": "2018-10-16T14:29:08Z",
              "ms": 1539700147773.7275
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-10-17",
          "window": {
            "start": {
              "local": "2018-10-17T10:40:55-03:00",
              "utc": "2018-10-17T13:40:55Z",
              "ms": 1539783655359.0513
            },
            "end": {
              "local": "2018-10-17T11:28:55-03:00",
              "utc": "2018-10-17T14:28:55Z",
              "ms": 1539786535359.0513
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 01:47 on Tue 16 Oct to 04:20 on Wed 17 Oct.",
          "fact": "2018-10-16T04:46:42Z → 2018-10-17T07:20:06Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:41–11:29 on the 16th, 10:41–11:29 on the 17th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 22849 s"
        },
        {
          "step": "ruling",
          "text": "Mahāṣṭamī, Recife, 2018: Tuesday 16 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mahashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 8 Mahastami (paraviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-10-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-10-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Mahāṣṭamī (Durga Ashtami) 2018 falls on Tuesday 16 October. Aṣṭamī runs from 01:47 on Tue 16 Oct to 04:20 on Wed 17 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/mahanavami",
      "festival": "mahanavami",
      "name": "Mahānavamī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-10-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13298,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2018-10-17T04:20:06-03:00",
          "utc": "2018-10-17T07:20:06Z",
          "ms": 1539760806114.8472
        },
        "end": {
          "local": "2018-10-18T06:59:05-03:00",
          "utc": "2018-10-18T09:59:05Z",
          "ms": 1539856745411.4583
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-10-17T04:20:06-03:00",
          "utc": "2018-10-17T07:20:06Z",
          "ms": 1539760806114.8472
        },
        "end": {
          "local": "2018-10-18T06:59:05-03:00",
          "utc": "2018-10-18T09:59:05Z",
          "ms": 1539856745411.4583
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-10-17",
          "window": {
            "start": {
              "local": "2018-10-17T10:40:55-03:00",
              "utc": "2018-10-17T13:40:55Z",
              "ms": 1539783655359.0513
            },
            "end": {
              "local": "2018-10-17T11:28:55-03:00",
              "utc": "2018-10-17T14:28:55Z",
              "ms": 1539786535359.0513
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-10-18",
          "window": {
            "start": {
              "local": "2018-10-18T10:40:44-03:00",
              "utc": "2018-10-18T13:40:44Z",
              "ms": 1539870043525.4407
            },
            "end": {
              "local": "2018-10-18T11:28:44-03:00",
              "utc": "2018-10-18T14:28:44Z",
              "ms": 1539872923525.4407
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 04:20 on Wed 17 Oct to 06:59 on Thu 18 Oct.",
          "fact": "2018-10-17T07:20:06Z → 2018-10-18T09:59:05Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:41–11:29 on the 17th, 10:41–11:29 on the 18th.",
          "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 17th and 0 of 48 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 13298 s"
        },
        {
          "step": "ruling",
          "text": "Mahānavamī, Recife, 2018: Wednesday 17 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mahanavami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise)."
          }
        ],
        "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.",
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-10-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-10-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Mahānavamī 2018 falls on Wednesday 17 October. Navamī runs from 04:20 on Wed 17 Oct to 06:59 on Thu 18 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/vijaya-dashami",
      "festival": "vijaya-dashami",
      "name": "Vijayā Daśamī",
      "everyday": "Dussehra",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-10-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4182,
      "anga": {
        "type": "tithi",
        "index": 9,
        "key": "dashami",
        "name": "Daśamī",
        "start": {
          "local": "2018-10-18T06:59:05-03:00",
          "utc": "2018-10-18T09:59:05Z",
          "ms": 1539856745411.4583
        },
        "end": {
          "local": "2018-10-19T09:27:23-03:00",
          "utc": "2018-10-19T12:27:23Z",
          "ms": 1539952043088.7288
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "conjunction",
        "start": {
          "local": "2018-10-18T06:59:05-03:00",
          "utc": "2018-10-18T09:59:05Z",
          "ms": 1539856745411.4583
        },
        "end": {
          "local": "2018-10-18T16:03:44-03:00",
          "utc": "2018-10-18T19:03:44Z",
          "ms": 1539889424220.0352
        },
        "nakshatra": {
          "type": "nakshatra",
          "index": 21,
          "key": "shravana",
          "name": "Śravaṇa",
          "start": {
            "local": "2018-10-17T12:58:15-03:00",
            "utc": "2018-10-17T15:58:15Z",
            "ms": 1539791895275.3225
          },
          "end": {
            "local": "2018-10-18T16:03:44-03:00",
            "utc": "2018-10-18T19:03:44Z",
            "ms": 1539889424220.0352
          }
        }
      },
      "kaala": "daytime",
      "days": [
        {
          "local_date": "2018-10-18",
          "window": {
            "start": {
              "local": "2018-10-18T04:56:01-03:00",
              "utc": "2018-10-18T07:56:01Z",
              "ms": 1539849360727.6719
            },
            "end": {
              "local": "2018-10-18T17:13:26-03:00",
              "utc": "2018-10-18T20:13:26Z",
              "ms": 1539893606323.2095
            }
          },
          "covered_min": 545,
          "window_min": 737,
          "qualifies": true
        },
        {
          "local_date": "2018-10-19",
          "window": {
            "start": {
              "local": "2018-10-19T04:55:36-03:00",
              "utc": "2018-10-19T07:55:36Z",
              "ms": 1539935736469.3376
            },
            "end": {
              "local": "2018-10-19T17:13:28-03:00",
              "utc": "2018-10-19T20:13:28Z",
              "ms": 1539980008111.5967
            }
          },
          "covered_min": 0,
          "window_min": 738,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Daśamī runs from 06:59 on Thu 18 Oct to 09:27 on Fri 19 Oct, and Śravaṇa from 12:58 on Wed 17 Oct to 16:04 on Thu 18 Oct. They are together from 06:59 on Thu 18 Oct to 16:04 on Thu 18 Oct.",
          "fact": "2018-10-18T09:59:05Z → 2018-10-18T19:03:44Z"
        },
        {
          "step": "kaala",
          "text": "The day time is sunrise to sunset: 04:56–17:13 on the 18th, 04:56–17:13 on the 19th.",
          "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 545 of 737 minutes on the 18th and 0 of 738 on the 19th.",
          "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 4182 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Daśamī, Recife, 2018: Thursday 18 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vijaya-dashami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 10 Vijaya dasami (In Bengal it is observed as paraviddha, covering one muhurta from sunrise. In other places, if it touches Sravana naksatra in the day time it is observed on that day), Sarasvati visarjana (to be observed in naksatra Sravana), Dasahara."
          }
        ],
        "not_evaluated": "The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.",
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day",
        "conjunction": {
          "nakshatra": "Śravaṇa",
          "kaala": "daytime"
        }
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-10-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-10-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Vijayā Daśamī (Dussehra) 2018 falls on Thursday 18 October. Daśamī runs from 06:59 on Thu 18 Oct to 09:27 on Fri 19 Oct and is with Śravaṇa in the day time that day, for 545 minutes.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/ekadashi?on=2018-10-20",
      "festival": "ekadashi",
      "name": "Pāśāṅkuśā Ekādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-10-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16307,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2018-10-19T09:27:23-03:00",
          "utc": "2018-10-19T12:27:23Z",
          "ms": 1539952043088.7288
        },
        "end": {
          "local": "2018-10-20T11:31:14-03:00",
          "utc": "2018-10-20T14:31:14Z",
          "ms": 1540045874488.9607
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-10-19T09:27:23-03:00",
          "utc": "2018-10-19T12:27:23Z",
          "ms": 1539952043088.7288
        },
        "end": {
          "local": "2018-10-20T11:31:14-03:00",
          "utc": "2018-10-20T14:31:14Z",
          "ms": 1540045874488.9607
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-10-19",
          "window": {
            "start": {
              "local": "2018-10-19T04:55:36-03:00",
              "utc": "2018-10-19T07:55:36Z",
              "ms": 1539935736469.3376
            },
            "end": {
              "local": "2018-10-19T04:55:36-03:00",
              "utc": "2018-10-19T07:55:36Z",
              "ms": 1539935736469.3376
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2018-10-20",
          "window": {
            "start": {
              "local": "2018-10-20T04:55:13-03:00",
              "utc": "2018-10-20T07:55:13Z",
              "ms": 1540022112874.4683
            },
            "end": {
              "local": "2018-10-20T04:55:13-03:00",
              "utc": "2018-10-20T07:55:13Z",
              "ms": 1540022112874.4683
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 09:27 on Fri 19 Oct to 11:31 on Sat 20 Oct.",
          "fact": "2018-10-19T12:27:23Z → 2018-10-20T14:31:14Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 04:56 on the 19th and 04:55 on the 20th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 19th and is on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 16307 s"
        },
        {
          "step": "ruling",
          "text": "Pāśāṅkuśā Ekādaśī, Recife, 2018: Saturday 20 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": "2018-10-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-10-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Pāśāṅkuśā Ekādaśī 2018 falls on Saturday 20 October. Ekādaśī runs from 09:27 on Fri 19 Oct to 11:31 on Sat 20 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/ekadashi?on=2018-10-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/pradosha-vrata?on=2018-10-21",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-10-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12033,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-10-21T13:01:17-03:00",
          "utc": "2018-10-21T16:01:17Z",
          "ms": 1540137676959.2722
        },
        "end": {
          "local": "2018-10-22T13:53:04-03:00",
          "utc": "2018-10-22T16:53:04Z",
          "ms": 1540227184150.2834
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-10-21T13:01:17-03:00",
          "utc": "2018-10-21T16:01:17Z",
          "ms": 1540137676959.2722
        },
        "end": {
          "local": "2018-10-22T13:53:04-03:00",
          "utc": "2018-10-22T16:53:04Z",
          "ms": 1540227184150.2834
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-10-21",
          "window": {
            "start": {
              "local": "2018-10-21T17:13:33-03:00",
              "utc": "2018-10-21T20:13:33Z",
              "ms": 1540152813411.2185
            },
            "end": {
              "local": "2018-10-21T18:47:01-03:00",
              "utc": "2018-10-21T21:47:01Z",
              "ms": 1540158420657.7747
            }
          },
          "covered_min": 93,
          "window_min": 93,
          "qualifies": true
        },
        {
          "local_date": "2018-10-22",
          "window": {
            "start": {
              "local": "2018-10-22T17:13:37-03:00",
              "utc": "2018-10-22T20:13:37Z",
              "ms": 1540239216951.372
            },
            "end": {
              "local": "2018-10-22T18:47:01-03:00",
              "utc": "2018-10-22T21:47:01Z",
              "ms": 1540244820862.4202
            }
          },
          "covered_min": 0,
          "window_min": 93,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 13:01 on Sun 21 Oct to 13:53 on Mon 22 Oct.",
          "fact": "2018-10-21T16:01:17Z → 2018-10-22T16:53:04Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:14–18:47 on the 21st, 17:14–18:47 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 93 of 93 minutes on the 21st and 0 of 93 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 12033 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Recife, 2018: Sunday 21 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-10-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-10-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śukla Pradoṣa Vrata 2018 falls on Sunday 21 October. Trayodaśī runs from 13:01 on Sun 21 Oct to 13:53 on Mon 22 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/pradosha-vrata?on=2018-10-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/karaka-chaturthi",
      "festival": "karaka-chaturthi",
      "name": "Karaka Caturthī",
      "everyday": "Karwa Chauth",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-10-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35979,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-10-27T10:08:13-03:00",
          "utc": "2018-10-27T13:08:13Z",
          "ms": 1540645692730.5356
        },
        "end": {
          "local": "2018-10-28T08:24:48-03:00",
          "utc": "2018-10-28T11:24:48Z",
          "ms": 1540725888488.0803
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-10-27T10:08:13-03:00",
          "utc": "2018-10-27T13:08:13Z",
          "ms": 1540645692730.5356
        },
        "end": {
          "local": "2018-10-28T08:24:48-03:00",
          "utc": "2018-10-28T11:24:48Z",
          "ms": 1540725888488.0803
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2018-10-27",
          "window": {
            "start": {
              "local": "2018-10-27T20:07:52-03:00",
              "utc": "2018-10-27T23:07:52Z",
              "ms": 1540681671778.533
            },
            "end": {
              "local": "2018-10-27T20:07:52-03:00",
              "utc": "2018-10-27T23:07:52Z",
              "ms": 1540681671778.533
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2018-10-28",
          "window": {
            "start": {
              "local": "2018-10-28T21:06:27-03:00",
              "utc": "2018-10-29T00:06:27Z",
              "ms": 1540771586706.2805
            },
            "end": {
              "local": "2018-10-28T21:06:27-03:00",
              "utc": "2018-10-29T00:06:27Z",
              "ms": 1540771586706.2805
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 10:08 on Sat 27 Oct to 08:25 on Sun 28 Oct.",
          "fact": "2018-10-27T13:08:13Z → 2018-10-28T11:24:48Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:08 on the 27th and 21:06 on the 28th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 27th and is not on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 35979 s"
        },
        {
          "step": "ruling",
          "text": "Karaka Caturthī, Recife, 2018: Saturday 27 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "karaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 4 Karaka caturthi (current at moon-rise, if occurs on two successive days, it is to be observed on the first day)"
          }
        ],
        "kaala": "moonrise",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-10-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-10-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Karaka Caturthī (Karwa Chauth) 2018 falls on Saturday 27 October. Caturthī runs from 10:08 on Sat 27 Oct to 08:25 on Sun 28 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/sankashta-chaturthi?on=2018-10-27",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-10-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35979,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-10-27T10:08:13-03:00",
          "utc": "2018-10-27T13:08:13Z",
          "ms": 1540645692730.5356
        },
        "end": {
          "local": "2018-10-28T08:24:48-03:00",
          "utc": "2018-10-28T11:24:48Z",
          "ms": 1540725888488.0803
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-10-27T10:08:13-03:00",
          "utc": "2018-10-27T13:08:13Z",
          "ms": 1540645692730.5356
        },
        "end": {
          "local": "2018-10-28T08:24:48-03:00",
          "utc": "2018-10-28T11:24:48Z",
          "ms": 1540725888488.0803
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2018-10-27",
          "window": {
            "start": {
              "local": "2018-10-27T20:07:52-03:00",
              "utc": "2018-10-27T23:07:52Z",
              "ms": 1540681671778.533
            },
            "end": {
              "local": "2018-10-27T20:07:52-03:00",
              "utc": "2018-10-27T23:07:52Z",
              "ms": 1540681671778.533
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2018-10-28",
          "window": {
            "start": {
              "local": "2018-10-28T21:06:27-03:00",
              "utc": "2018-10-29T00:06:27Z",
              "ms": 1540771586706.2805
            },
            "end": {
              "local": "2018-10-28T21:06:27-03:00",
              "utc": "2018-10-29T00:06:27Z",
              "ms": 1540771586706.2805
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 10:08 on Sat 27 Oct to 08:25 on Sun 28 Oct.",
          "fact": "2018-10-27T13:08:13Z → 2018-10-28T11:24:48Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:08 on the 27th and 21:06 on the 28th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 27th and is not on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 35979 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Recife, 2018: Saturday 27 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-10-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-10-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Saṅkaṣṭa Caturthī 2018 falls on Saturday 27 October. Caturthī runs from 10:08 on Sat 27 Oct to 08:25 on Sun 28 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/sankashta-chaturthi?on=2018-10-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/ahoyi-ashtami",
      "festival": "ahoyi-ashtami",
      "name": "Ahoyī Aṣṭamī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-10-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2491,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2018-10-31T02:40:05-03:00",
          "utc": "2018-10-31T05:40:05Z",
          "ms": 1540964404659.8496
        },
        "end": {
          "local": "2018-11-01T00:40:17-03:00",
          "utc": "2018-11-01T03:40:17Z",
          "ms": 1541043616981.3337
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-10-31T02:40:05-03:00",
          "utc": "2018-10-31T05:40:05Z",
          "ms": 1540964404659.8496
        },
        "end": {
          "local": "2018-11-01T00:40:17-03:00",
          "utc": "2018-11-01T03:40:17Z",
          "ms": 1541043616981.3337
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2018-10-30",
          "window": {
            "start": {
              "local": "2018-10-30T23:03:12-03:00",
              "utc": "2018-10-31T02:03:12Z",
              "ms": 1540951391538.0688
            },
            "end": {
              "local": "2018-10-30T23:03:12-03:00",
              "utc": "2018-10-31T02:03:12Z",
              "ms": 1540951391538.0688
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2018-10-31",
          "window": {
            "start": {
              "local": "2018-10-31T23:58:46-03:00",
              "utc": "2018-11-01T02:58:46Z",
              "ms": 1541041126403.2402
            },
            "end": {
              "local": "2018-10-31T23:58:46-03:00",
              "utc": "2018-11-01T02:58:46Z",
              "ms": 1541041126403.2402
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 02:40 on Wed 31 Oct to 00:40 on Thu 1 Nov.",
          "fact": "2018-10-31T05:40:05Z → 2018-11-01T03:40:17Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 23:03 on the 30th and 23:59 on the 31st.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is not on the 30th and is on the 31st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 2491 s"
        },
        {
          "step": "ruling",
          "text": "Ahoyī Aṣṭamī, Recife, 2018: Wednesday 31 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ahoyi-ashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Ahoyi astami (Gujerat) (current at moonrise), Karastami (Maharashtra). If occurs on two successive days, it is to be observed on the second day."
          }
        ],
        "kaala": "moonrise",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-10-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-10-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Ahoyī Aṣṭamī 2018 falls on Wednesday 31 October. Aṣṭamī runs from 02:40 on Wed 31 Oct to 00:40 on Thu 1 Nov and is current at moonrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/ekadashi?on=2018-11-03",
      "festival": "ekadashi",
      "name": "Ramā Ekādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-11-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29440,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2018-11-02T20:40:24-03:00",
          "utc": "2018-11-02T23:40:24Z",
          "ms": 1541202024040.4907
        },
        "end": {
          "local": "2018-11-03T18:44:07-03:00",
          "utc": "2018-11-03T21:44:07Z",
          "ms": 1541281446838.772
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-11-02T20:40:24-03:00",
          "utc": "2018-11-02T23:40:24Z",
          "ms": 1541202024040.4907
        },
        "end": {
          "local": "2018-11-03T18:44:07-03:00",
          "utc": "2018-11-03T21:44:07Z",
          "ms": 1541281446838.772
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-11-03",
          "window": {
            "start": {
              "local": "2018-11-03T04:51:04-03:00",
              "utc": "2018-11-03T07:51:04Z",
              "ms": 1541231464036.321
            },
            "end": {
              "local": "2018-11-03T04:51:04-03:00",
              "utc": "2018-11-03T07:51:04Z",
              "ms": 1541231464036.321
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2018-11-04",
          "window": {
            "start": {
              "local": "2018-11-04T04:50:53-03:00",
              "utc": "2018-11-04T07:50:53Z",
              "ms": 1541317852842.9194
            },
            "end": {
              "local": "2018-11-04T04:50:53-03:00",
              "utc": "2018-11-04T07:50:53Z",
              "ms": 1541317852842.9194
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 20:40 on Fri 2 Nov to 18:44 on Sat 3 Nov.",
          "fact": "2018-11-02T23:40:24Z → 2018-11-03T21:44:07Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 04:51 on the 3rd and 04:51 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 29440 s"
        },
        {
          "step": "ruling",
          "text": "Ramā Ekādaśī, Recife, 2018: Saturday 3 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": "2018-11-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-11-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Ramā Ekādaśī 2018 falls on Saturday 3 November. Ekādaśī runs from 20:40 on Fri 2 Nov to 18:44 on Sat 3 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/ekadashi?on=2018-11-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/govatsa-dvadashi",
      "festival": "govatsa-dvadashi",
      "name": "Govatsa Dvādaśī",
      "everyday": "Vasu Baras",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-11-03",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 230,
      "anga": {
        "type": "tithi",
        "index": 26,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2018-11-03T18:44:07-03:00",
          "utc": "2018-11-03T21:44:07Z",
          "ms": 1541281446838.772
        },
        "end": {
          "local": "2018-11-04T16:54:41-03:00",
          "utc": "2018-11-04T19:54:41Z",
          "ms": 1541361281271.5168
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-11-03T18:44:07-03:00",
          "utc": "2018-11-03T21:44:07Z",
          "ms": 1541281446838.772
        },
        "end": {
          "local": "2018-11-04T16:54:41-03:00",
          "utc": "2018-11-04T19:54:41Z",
          "ms": 1541361281271.5168
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-11-03",
          "window": {
            "start": {
              "local": "2018-11-03T17:15:11-03:00",
              "utc": "2018-11-03T20:15:11Z",
              "ms": 1541276110945.996
            },
            "end": {
              "local": "2018-11-03T18:47:57-03:00",
              "utc": "2018-11-03T21:47:57Z",
              "ms": 1541281676532.2524
            }
          },
          "covered_min": 4,
          "window_min": 93,
          "qualifies": true
        },
        {
          "local_date": "2018-11-04",
          "window": {
            "start": {
              "local": "2018-11-04T17:15:23-03:00",
              "utc": "2018-11-04T20:15:23Z",
              "ms": 1541362523354.2634
            },
            "end": {
              "local": "2018-11-04T18:48:06-03:00",
              "utc": "2018-11-04T21:48:06Z",
              "ms": 1541368085920.7195
            }
          },
          "covered_min": 0,
          "window_min": 93,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 18:44 on Sat 3 Nov to 16:55 on Sun 4 Nov.",
          "fact": "2018-11-03T21:44:07Z → 2018-11-04T19:54:41Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:15–18:48 on the 3rd, 17:15–18:48 on the 4th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during pradoṣa. It covers 4 of 93 minutes on the 3rd and 0 of 93 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: purvaviddha → only-day · margin 230 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Govatsa Dvādaśī, Recife, 2018: Saturday 3 November.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "2018-11-03",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-11-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Govatsa Dvādaśī (Vasu Baras) 2018 falls on Saturday 3 November. Dvādaśī runs from 18:44 on Sat 3 Nov to 16:55 on Sun 4 Nov and covers 4 of 93 minutes of pradoṣa that evening. It is 3 min 50 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/yama-dipadana",
      "festival": "yama-dipadana",
      "name": "Yama Dīpadāna",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-11-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1242,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-11-04T16:54:41-03:00",
          "utc": "2018-11-04T19:54:41Z",
          "ms": 1541361281271.5168
        },
        "end": {
          "local": "2018-11-05T15:17:04-03:00",
          "utc": "2018-11-05T18:17:04Z",
          "ms": 1541441823984.6372
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-11-04T16:54:41-03:00",
          "utc": "2018-11-04T19:54:41Z",
          "ms": 1541361281271.5168
        },
        "end": {
          "local": "2018-11-05T15:17:04-03:00",
          "utc": "2018-11-05T18:17:04Z",
          "ms": 1541441823984.6372
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-11-04",
          "window": {
            "start": {
              "local": "2018-11-04T17:15:23-03:00",
              "utc": "2018-11-04T20:15:23Z",
              "ms": 1541362523354.2634
            },
            "end": {
              "local": "2018-11-04T18:48:06-03:00",
              "utc": "2018-11-04T21:48:06Z",
              "ms": 1541368085920.7195
            }
          },
          "covered_min": 93,
          "window_min": 93,
          "qualifies": true
        },
        {
          "local_date": "2018-11-05",
          "window": {
            "start": {
              "local": "2018-11-05T17:15:36-03:00",
              "utc": "2018-11-05T20:15:36Z",
              "ms": 1541448936481.6028
            },
            "end": {
              "local": "2018-11-05T18:48:16-03:00",
              "utc": "2018-11-05T21:48:16Z",
              "ms": 1541454496060.5317
            }
          },
          "covered_min": 0,
          "window_min": 93,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 16:55 on Sun 4 Nov to 15:17 on Mon 5 Nov.",
          "fact": "2018-11-04T19:54:41Z → 2018-11-05T18:17:04Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:15–18:48 on the 4th, 17:16–18:48 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 93 of 93 minutes on the 4th and 0 of 93 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 1242 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dīpadāna, Recife, 2018: Sunday 4 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "yama-dipadana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 13 Yama dipadana (pradosa)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-11-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-11-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Yama Dīpadāna 2018 falls on Sunday 4 November. Trayodaśī runs from 16:55 on Sun 4 Nov to 15:17 on Mon 5 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/pradosha-vrata?on=2018-11-04",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-11-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1242,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-11-04T16:54:41-03:00",
          "utc": "2018-11-04T19:54:41Z",
          "ms": 1541361281271.5168
        },
        "end": {
          "local": "2018-11-05T15:17:04-03:00",
          "utc": "2018-11-05T18:17:04Z",
          "ms": 1541441823984.6372
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-11-04T16:54:41-03:00",
          "utc": "2018-11-04T19:54:41Z",
          "ms": 1541361281271.5168
        },
        "end": {
          "local": "2018-11-05T15:17:04-03:00",
          "utc": "2018-11-05T18:17:04Z",
          "ms": 1541441823984.6372
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-11-04",
          "window": {
            "start": {
              "local": "2018-11-04T17:15:23-03:00",
              "utc": "2018-11-04T20:15:23Z",
              "ms": 1541362523354.2634
            },
            "end": {
              "local": "2018-11-04T18:48:06-03:00",
              "utc": "2018-11-04T21:48:06Z",
              "ms": 1541368085920.7195
            }
          },
          "covered_min": 93,
          "window_min": 93,
          "qualifies": true
        },
        {
          "local_date": "2018-11-05",
          "window": {
            "start": {
              "local": "2018-11-05T17:15:36-03:00",
              "utc": "2018-11-05T20:15:36Z",
              "ms": 1541448936481.6028
            },
            "end": {
              "local": "2018-11-05T18:48:16-03:00",
              "utc": "2018-11-05T21:48:16Z",
              "ms": 1541454496060.5317
            }
          },
          "covered_min": 0,
          "window_min": 93,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 16:55 on Sun 4 Nov to 15:17 on Mon 5 Nov.",
          "fact": "2018-11-04T19:54:41Z → 2018-11-05T18:17:04Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:15–18:48 on the 4th, 17:16–18:48 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 93 of 93 minutes on the 4th and 0 of 93 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 1242 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Recife, 2018: Sunday 4 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": "2018-11-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-11-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Kṛṣṇa Pradoṣa Vrata 2018 falls on Sunday 4 November. Trayodaśī runs from 16:55 on Sun 4 Nov to 15:17 on Mon 5 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/pradosha-vrata?on=2018-11-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/shivaratri?on=2018-11-05",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-11-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26521,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2018-11-05T15:17:04-03:00",
          "utc": "2018-11-05T18:17:04Z",
          "ms": 1541441823984.6372
        },
        "end": {
          "local": "2018-11-06T13:57:18-03:00",
          "utc": "2018-11-06T16:57:18Z",
          "ms": 1541523437595.22
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-11-05T15:17:04-03:00",
          "utc": "2018-11-05T18:17:04Z",
          "ms": 1541441823984.6372
        },
        "end": {
          "local": "2018-11-06T13:57:18-03:00",
          "utc": "2018-11-06T16:57:18Z",
          "ms": 1541523437595.22
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2018-11-05",
          "window": {
            "start": {
              "local": "2018-11-05T22:39:05-03:00",
              "utc": "2018-11-06T01:39:05Z",
              "ms": 1541468344902.5862
            },
            "end": {
              "local": "2018-11-05T23:27:05-03:00",
              "utc": "2018-11-06T02:27:05Z",
              "ms": 1541471224902.5862
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-11-06",
          "window": {
            "start": {
              "local": "2018-11-06T22:39:08-03:00",
              "utc": "2018-11-07T01:39:08Z",
              "ms": 1541554747668.5996
            },
            "end": {
              "local": "2018-11-06T23:27:08-03:00",
              "utc": "2018-11-07T02:27:08Z",
              "ms": 1541557627668.5996
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 15:17 on Mon 5 Nov to 13:57 on Tue 6 Nov.",
          "fact": "2018-11-05T18:17:04Z → 2018-11-06T16:57:18Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:39–23:27 on the 5th, 22:39–23:27 on the 6th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 26521 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Recife, 2018: Monday 5 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-11-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-11-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śivarātri 2018 falls on Monday 5 November. Caturdaśī runs from 15:17 on Mon 5 Nov to 13:57 on Tue 6 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/recife/festivals/2018/shivaratri?on=2018-11-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/naraka-chaturdashi",
      "festival": "naraka-chaturdashi",
      "name": "Naraka Caturdaśī",
      "everyday": "Choti Diwali",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-11-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32804,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2018-11-05T15:17:04-03:00",
          "utc": "2018-11-05T18:17:04Z",
          "ms": 1541441823984.6372
        },
        "end": {
          "local": "2018-11-06T13:57:18-03:00",
          "utc": "2018-11-06T16:57:18Z",
          "ms": 1541523437595.22
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-11-05T15:17:04-03:00",
          "utc": "2018-11-05T18:17:04Z",
          "ms": 1541441823984.6372
        },
        "end": {
          "local": "2018-11-06T13:57:18-03:00",
          "utc": "2018-11-06T16:57:18Z",
          "ms": 1541523437595.22
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2018-11-05",
          "window": {
            "start": {
              "local": "2018-11-05T03:18:00-03:00",
              "utc": "2018-11-05T06:18:00Z",
              "ms": 1541398680036.228
            },
            "end": {
              "local": "2018-11-05T04:50:43-03:00",
              "utc": "2018-11-05T07:50:43Z",
              "ms": 1541404242602.684
            }
          },
          "covered_min": 0,
          "window_min": 93,
          "qualifies": false
        },
        {
          "local_date": "2018-11-06",
          "window": {
            "start": {
              "local": "2018-11-06T03:17:54-03:00",
              "utc": "2018-11-06T06:17:54Z",
              "ms": 1541485073744.6406
            },
            "end": {
              "local": "2018-11-06T04:50:33-03:00",
              "utc": "2018-11-06T07:50:33Z",
              "ms": 1541490633323.5696
            }
          },
          "covered_min": 93,
          "window_min": 93,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 15:17 on Mon 5 Nov to 13:57 on Tue 6 Nov.",
          "fact": "2018-11-05T18:17:04Z → 2018-11-06T16:57:18Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 03:18–04:51 on the 5th, 03:18–04:51 on the 6th.",
          "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 93 minutes on the 5th and 93 of 93 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one dawn qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 32804 s"
        },
        {
          "step": "ruling",
          "text": "Naraka Caturdaśī, Recife, 2018: Tuesday 6 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naraka-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Naraka caturdasi (covering a period of 4 ghatikas before sunrise, if occurs on two successive days, it is to be observed on the first day)"
          }
        ],
        "kaala": "arunodaya",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-11-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-11-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Naraka Caturdaśī (Choti Diwali) 2018 falls on Tuesday 6 November. Caturdaśī runs from 15:17 on Mon 5 Nov to 13:57 on Tue 6 Nov and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/diwali-lakshmi-puja",
      "festival": "diwali-lakshmi-puja",
      "name": "Lakṣmī Pūjā",
      "everyday": "Diwali",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-11-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11913,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2018-11-06T13:57:18-03:00",
          "utc": "2018-11-06T16:57:18Z",
          "ms": 1541523437595.22
        },
        "end": {
          "local": "2018-11-07T13:02:02-03:00",
          "utc": "2018-11-07T16:02:02Z",
          "ms": 1541606522475.1738
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-11-06T13:57:18-03:00",
          "utc": "2018-11-06T16:57:18Z",
          "ms": 1541523437595.22
        },
        "end": {
          "local": "2018-11-07T13:02:02-03:00",
          "utc": "2018-11-07T16:02:02Z",
          "ms": 1541606522475.1738
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-11-06",
          "window": {
            "start": {
              "local": "2018-11-06T17:15:50-03:00",
              "utc": "2018-11-06T20:15:50Z",
              "ms": 1541535350324.8486
            },
            "end": {
              "local": "2018-11-06T18:48:27-03:00",
              "utc": "2018-11-06T21:48:27Z",
              "ms": 1541540906949.8489
            }
          },
          "covered_min": 93,
          "window_min": 93,
          "qualifies": true
        },
        {
          "local_date": "2018-11-07",
          "window": {
            "start": {
              "local": "2018-11-07T17:16:05-03:00",
              "utc": "2018-11-07T20:16:05Z",
              "ms": 1541621764879.571
            },
            "end": {
              "local": "2018-11-07T18:48:39-03:00",
              "utc": "2018-11-07T21:48:39Z",
              "ms": 1541627318585.6135
            }
          },
          "covered_min": 0,
          "window_min": 93,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 13:57 on Tue 6 Nov to 13:02 on Wed 7 Nov.",
          "fact": "2018-11-06T16:57:18Z → 2018-11-07T16:02:02Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:16–18:48 on the 6th, 17:16–18:49 on the 7th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during pradoṣa. It covers 93 of 93 minutes on the 6th and 0 of 93 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 11913 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pūjā, Recife, 2018: Tuesday 6 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "diwali-lakshmi-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)"
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-11-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-11-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Lakṣmī Pūjā (Diwali) 2018 falls on Tuesday 6 November. Amāvasyā runs from 13:57 on Tue 6 Nov to 13:02 on Wed 7 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/kali-puja",
      "festival": "kali-puja",
      "name": "Kālī Pūjā",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-11-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31310,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2018-11-06T13:57:18-03:00",
          "utc": "2018-11-06T16:57:18Z",
          "ms": 1541523437595.22
        },
        "end": {
          "local": "2018-11-07T13:02:02-03:00",
          "utc": "2018-11-07T16:02:02Z",
          "ms": 1541606522475.1738
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-11-06T13:57:18-03:00",
          "utc": "2018-11-06T16:57:18Z",
          "ms": 1541523437595.22
        },
        "end": {
          "local": "2018-11-07T13:02:02-03:00",
          "utc": "2018-11-07T16:02:02Z",
          "ms": 1541606522475.1738
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2018-11-06",
          "window": {
            "start": {
              "local": "2018-11-06T22:39:08-03:00",
              "utc": "2018-11-07T01:39:08Z",
              "ms": 1541554747668.5996
            },
            "end": {
              "local": "2018-11-06T23:27:08-03:00",
              "utc": "2018-11-07T02:27:08Z",
              "ms": 1541557627668.5996
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-11-07",
          "window": {
            "start": {
              "local": "2018-11-07T22:39:11-03:00",
              "utc": "2018-11-08T01:39:11Z",
              "ms": 1541641151277.23
            },
            "end": {
              "local": "2018-11-07T23:27:11-03:00",
              "utc": "2018-11-08T02:27:11Z",
              "ms": 1541644031277.23
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 13:57 on Tue 6 Nov to 13:02 on Wed 7 Nov.",
          "fact": "2018-11-06T16:57:18Z → 2018-11-07T16:02:02Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:39–23:27 on the 6th, 22:39–23:27 on the 7th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during niśītha. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 31310 s"
        },
        {
          "step": "ruling",
          "text": "Kālī Pūjā, Recife, 2018: Tuesday 6 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "kali-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 30 Kali puja (nisithavyapini), Dipavali or Diwali (pradosa), Mahalaksmipuja (pradosa)"
          }
        ],
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-11-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-11-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Kālī Pūjā 2018 falls on Tuesday 6 November. Amāvasyā runs from 13:57 on Tue 6 Nov to 13:02 on Wed 7 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/bali-puja",
      "festival": "bali-puja",
      "name": "Bali Pūjā",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-11-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15242,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2018-11-07T13:02:02-03:00",
          "utc": "2018-11-07T16:02:02Z",
          "ms": 1541606522475.1738
        },
        "end": {
          "local": "2018-11-08T12:37:53-03:00",
          "utc": "2018-11-08T15:37:53Z",
          "ms": 1541691473321.5615
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-11-07T13:02:02-03:00",
          "utc": "2018-11-07T16:02:02Z",
          "ms": 1541606522475.1738
        },
        "end": {
          "local": "2018-11-08T12:37:53-03:00",
          "utc": "2018-11-08T15:37:53Z",
          "ms": 1541691473321.5615
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-11-07",
          "window": {
            "start": {
              "local": "2018-11-07T17:16:05-03:00",
              "utc": "2018-11-07T20:16:05Z",
              "ms": 1541621764879.571
            },
            "end": {
              "local": "2018-11-07T18:48:39-03:00",
              "utc": "2018-11-07T21:48:39Z",
              "ms": 1541627318585.6135
            }
          },
          "covered_min": 93,
          "window_min": 93,
          "qualifies": true
        },
        {
          "local_date": "2018-11-08",
          "window": {
            "start": {
              "local": "2018-11-08T17:16:20-03:00",
              "utc": "2018-11-08T20:16:20Z",
              "ms": 1541708180140.3398
            },
            "end": {
              "local": "2018-11-08T18:48:51-03:00",
              "utc": "2018-11-08T21:48:51Z",
              "ms": 1541713730963.813
            }
          },
          "covered_min": 0,
          "window_min": 93,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 13:02 on Wed 7 Nov to 12:38 on Thu 8 Nov.",
          "fact": "2018-11-07T16:02:02Z → 2018-11-08T15:37:53Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:16–18:49 on the 7th, 17:16–18:49 on the 8th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during pradoṣa. It covers 93 of 93 minutes on the 7th and 0 of 93 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 15242 s"
        },
        {
          "step": "ruling",
          "text": "Bali Pūjā, Recife, 2018: Wednesday 7 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bali-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-11-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-11-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Bali Pūjā 2018 falls on Wednesday 7 November. Pratipadā runs from 13:02 on Wed 7 Nov to 12:38 on Thu 8 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/govardhana-puja",
      "festival": "govardhana-puja",
      "name": "Govardhana Pūjā",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-11-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4234,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2018-11-07T13:02:02-03:00",
          "utc": "2018-11-07T16:02:02Z",
          "ms": 1541606522475.1738
        },
        "end": {
          "local": "2018-11-08T12:37:53-03:00",
          "utc": "2018-11-08T15:37:53Z",
          "ms": 1541691473321.5615
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-11-07T13:02:02-03:00",
          "utc": "2018-11-07T16:02:02Z",
          "ms": 1541606522475.1738
        },
        "end": {
          "local": "2018-11-08T12:37:53-03:00",
          "utc": "2018-11-08T15:37:53Z",
          "ms": 1541691473321.5615
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-11-07",
          "window": {
            "start": {
              "local": "2018-11-07T10:39:15-03:00",
              "utc": "2018-11-07T13:39:15Z",
              "ms": 1541597954945.961
            },
            "end": {
              "local": "2018-11-07T11:27:15-03:00",
              "utc": "2018-11-07T14:27:15Z",
              "ms": 1541600834945.961
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-11-08",
          "window": {
            "start": {
              "local": "2018-11-08T10:39:19-03:00",
              "utc": "2018-11-08T13:39:19Z",
              "ms": 1541684358907.6143
            },
            "end": {
              "local": "2018-11-08T11:27:19-03:00",
              "utc": "2018-11-08T14:27:19Z",
              "ms": 1541687238907.6143
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 13:02 on Wed 7 Nov to 12:38 on Thu 8 Nov.",
          "fact": "2018-11-07T16:02:02Z → 2018-11-08T15:37:53Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:39–11:27 on the 7th, 10:39–11:27 on the 8th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 4234 s"
        },
        {
          "step": "ruling",
          "text": "Govardhana Pūjā, Recife, 2018: Thursday 8 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "govardhana-puja",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-11-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-11-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Govardhana Pūjā 2018 falls on Thursday 8 November. Pratipadā runs from 13:02 on Wed 7 Nov to 12:38 on Thu 8 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/dyuta-pratipad",
      "festival": "dyuta-pratipad",
      "name": "Dyūta Pratipad",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-11-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13135,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2018-11-07T13:02:02-03:00",
          "utc": "2018-11-07T16:02:02Z",
          "ms": 1541606522475.1738
        },
        "end": {
          "local": "2018-11-08T12:37:53-03:00",
          "utc": "2018-11-08T15:37:53Z",
          "ms": 1541691473321.5615
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-11-07T13:02:02-03:00",
          "utc": "2018-11-07T16:02:02Z",
          "ms": 1541606522475.1738
        },
        "end": {
          "local": "2018-11-08T12:37:53-03:00",
          "utc": "2018-11-08T15:37:53Z",
          "ms": 1541691473321.5615
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2018-11-07",
          "window": {
            "start": {
              "local": "2018-11-07T04:50:25-03:00",
              "utc": "2018-11-07T07:50:25Z",
              "ms": 1541577025012.3506
            },
            "end": {
              "local": "2018-11-07T08:58:58-03:00",
              "utc": "2018-11-07T11:58:58Z",
              "ms": 1541591938301.424
            }
          },
          "covered_min": 0,
          "window_min": 249,
          "qualifies": false
        },
        {
          "local_date": "2018-11-08",
          "window": {
            "start": {
              "local": "2018-11-08T04:50:18-03:00",
              "utc": "2018-11-08T07:50:18Z",
              "ms": 1541663417674.889
            },
            "end": {
              "local": "2018-11-08T08:58:58-03:00",
              "utc": "2018-11-08T11:58:58Z",
              "ms": 1541678338496.7058
            }
          },
          "covered_min": 249,
          "window_min": 249,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 13:02 on Wed 7 Nov to 12:38 on Thu 8 Nov.",
          "fact": "2018-11-07T16:02:02Z → 2018-11-08T15:37:53Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 04:50–08:59 on the 7th, 04:50–08:59 on the 8th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during pūrvāhṇa. It covers 0 of 249 minutes on the 7th and 249 of 249 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one forenoon qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 13135 s"
        },
        {
          "step": "ruling",
          "text": "Dyūta Pratipad, Recife, 2018: Thursday 8 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "dyuta-pratipad",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna)."
          }
        ],
        "kaala": "purvahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-11-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-11-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Dyūta Pratipad 2018 falls on Thursday 8 November. Pratipadā runs from 13:02 on Wed 7 Nov to 12:38 on Thu 8 Nov and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/yama-dvitiya",
      "festival": "yama-dvitiya",
      "name": "Yama Dvitīyā",
      "everyday": "Bhai Dooj",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-11-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4234,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2018-11-08T12:37:53-03:00",
          "utc": "2018-11-08T15:37:53Z",
          "ms": 1541691473321.5615
        },
        "end": {
          "local": "2018-11-09T12:50:21-03:00",
          "utc": "2018-11-09T15:50:21Z",
          "ms": 1541778620665.9846
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-11-08T12:37:53-03:00",
          "utc": "2018-11-08T15:37:53Z",
          "ms": 1541691473321.5615
        },
        "end": {
          "local": "2018-11-09T12:50:21-03:00",
          "utc": "2018-11-09T15:50:21Z",
          "ms": 1541778620665.9846
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-11-08",
          "window": {
            "start": {
              "local": "2018-11-08T10:39:19-03:00",
              "utc": "2018-11-08T13:39:19Z",
              "ms": 1541684358907.6143
            },
            "end": {
              "local": "2018-11-08T11:27:19-03:00",
              "utc": "2018-11-08T14:27:19Z",
              "ms": 1541687238907.6143
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-11-09",
          "window": {
            "start": {
              "local": "2018-11-09T10:39:24-03:00",
              "utc": "2018-11-09T13:39:24Z",
              "ms": 1541770763708.6797
            },
            "end": {
              "local": "2018-11-09T11:27:24-03:00",
              "utc": "2018-11-09T14:27:24Z",
              "ms": 1541773643708.6797
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 12:38 on Thu 8 Nov to 12:50 on Fri 9 Nov.",
          "fact": "2018-11-08T15:37:53Z → 2018-11-09T15:50:21Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:39–11:27 on the 8th, 10:39–11:27 on the 9th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 4234 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dvitīyā, Recife, 2018: Friday 9 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "yama-dvitiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 2 Bhratrdvitiya, Yamadvitiya (madhyahna, purvaviddha), Masyadhara (Dwat) puja (Bihar)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-11-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-11-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Yama Dvitīyā (Bhai Dooj) 2018 falls on Friday 9 November. Dvitīyā runs from 12:38 on Thu 8 Nov to 12:50 on Fri 9 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/naga-chaturthi",
      "festival": "naga-chaturthi",
      "name": "Nāga Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-11-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8110,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-11-10T13:42:39-03:00",
          "utc": "2018-11-10T16:42:39Z",
          "ms": 1541868159390.339
        },
        "end": {
          "local": "2018-11-11T15:14:32-03:00",
          "utc": "2018-11-11T18:14:32Z",
          "ms": 1541960072144.4236
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-11-10T13:42:39-03:00",
          "utc": "2018-11-10T16:42:39Z",
          "ms": 1541868159390.339
        },
        "end": {
          "local": "2018-11-11T15:14:32-03:00",
          "utc": "2018-11-11T18:14:32Z",
          "ms": 1541960072144.4236
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-11-10",
          "window": {
            "start": {
              "local": "2018-11-10T10:39:29-03:00",
              "utc": "2018-11-10T13:39:29Z",
              "ms": 1541857169348.1548
            },
            "end": {
              "local": "2018-11-10T11:27:29-03:00",
              "utc": "2018-11-10T14:27:29Z",
              "ms": 1541860049348.1548
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-11-11",
          "window": {
            "start": {
              "local": "2018-11-11T10:39:36-03:00",
              "utc": "2018-11-11T13:39:36Z",
              "ms": 1541943575824.642
            },
            "end": {
              "local": "2018-11-11T11:27:36-03:00",
              "utc": "2018-11-11T14:27:36Z",
              "ms": 1541946455824.642
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 13:43 on Sat 10 Nov to 15:15 on Sun 11 Nov.",
          "fact": "2018-11-10T16:42:39Z → 2018-11-11T18:14:32Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:39–11:27 on the 10th, 10:40–11:28 on the 11th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 8110 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Caturthī, Recife, 2018: Sunday 11 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naga-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Naga caturthi (paraviddha and madhyahnavyapini)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-11-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-11-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Nāga Caturthī 2018 falls on Sunday 11 November. Caturthī runs from 13:43 on Sat 10 Nov to 15:15 on Sun 11 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/vinayaka-chaturthi?on=2018-11-11",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-11-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8110,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-11-10T13:42:39-03:00",
          "utc": "2018-11-10T16:42:39Z",
          "ms": 1541868159390.339
        },
        "end": {
          "local": "2018-11-11T15:14:32-03:00",
          "utc": "2018-11-11T18:14:32Z",
          "ms": 1541960072144.4236
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-11-10T13:42:39-03:00",
          "utc": "2018-11-10T16:42:39Z",
          "ms": 1541868159390.339
        },
        "end": {
          "local": "2018-11-11T15:14:32-03:00",
          "utc": "2018-11-11T18:14:32Z",
          "ms": 1541960072144.4236
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-11-10",
          "window": {
            "start": {
              "local": "2018-11-10T10:39:29-03:00",
              "utc": "2018-11-10T13:39:29Z",
              "ms": 1541857169348.1548
            },
            "end": {
              "local": "2018-11-10T11:27:29-03:00",
              "utc": "2018-11-10T14:27:29Z",
              "ms": 1541860049348.1548
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-11-11",
          "window": {
            "start": {
              "local": "2018-11-11T10:39:36-03:00",
              "utc": "2018-11-11T13:39:36Z",
              "ms": 1541943575824.642
            },
            "end": {
              "local": "2018-11-11T11:27:36-03:00",
              "utc": "2018-11-11T14:27:36Z",
              "ms": 1541946455824.642
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 13:43 on Sat 10 Nov to 15:15 on Sun 11 Nov.",
          "fact": "2018-11-10T16:42:39Z → 2018-11-11T18:14:32Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:39–11:27 on the 10th, 10:40–11:28 on the 11th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 8110 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Recife, 2018: Sunday 11 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-11-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-11-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Vināyaka Caturthī 2018 falls on Sunday 11 November. Caturthī runs from 13:43 on Sat 10 Nov to 15:15 on Sun 11 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/vinayaka-chaturthi?on=2018-11-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/surya-shashthi",
      "festival": "surya-shashthi",
      "name": "Sūrya Ṣaṣṭhī",
      "everyday": "Chhath",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-11-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21202,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2018-11-12T17:21:05-03:00",
          "utc": "2018-11-12T20:21:05Z",
          "ms": 1542054065411.938
        },
        "end": {
          "local": "2018-11-13T19:52:26-03:00",
          "utc": "2018-11-13T22:52:26Z",
          "ms": 1542149545594.3523
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-11-12T17:21:05-03:00",
          "utc": "2018-11-12T20:21:05Z",
          "ms": 1542054065411.938
        },
        "end": {
          "local": "2018-11-13T19:52:26-03:00",
          "utc": "2018-11-13T22:52:26Z",
          "ms": 1542149545594.3523
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-11-12",
          "window": {
            "start": {
              "local": "2018-11-12T10:39:43-03:00",
              "utc": "2018-11-12T13:39:43Z",
              "ms": 1542029983136.3804
            },
            "end": {
              "local": "2018-11-12T11:27:43-03:00",
              "utc": "2018-11-12T14:27:43Z",
              "ms": 1542032863136.3804
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-11-13",
          "window": {
            "start": {
              "local": "2018-11-13T10:39:51-03:00",
              "utc": "2018-11-13T13:39:51Z",
              "ms": 1542116391281.2202
            },
            "end": {
              "local": "2018-11-13T11:27:51-03:00",
              "utc": "2018-11-13T14:27:51Z",
              "ms": 1542119271281.2202
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 17:21 on Mon 12 Nov to 19:52 on Tue 13 Nov.",
          "fact": "2018-11-12T20:21:05Z → 2018-11-13T22:52:26Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:40–11:28 on the 12th, 10:40–11:28 on the 13th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 21202 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī, Recife, 2018: Tuesday 13 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "surya-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Nadi sasthi, Skanda sasthi (Madras), Surya sasthi, Chhat (Bihar)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-11-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-11-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Sūrya Ṣaṣṭhī (Chhath) 2018 falls on Tuesday 13 November. Ṣaṣṭhī runs from 17:21 on Mon 12 Nov to 19:52 on Tue 13 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/gopashtami",
      "festival": "gopashtami",
      "name": "Gopāṣṭamī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-11-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34195,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2018-11-14T22:34:22-03:00",
          "utc": "2018-11-15T01:34:22Z",
          "ms": 1542245662199.8982
        },
        "end": {
          "local": "2018-11-16T01:10:26-03:00",
          "utc": "2018-11-16T04:10:26Z",
          "ms": 1542341425771.7449
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-11-14T22:34:22-03:00",
          "utc": "2018-11-15T01:34:22Z",
          "ms": 1542245662199.8982
        },
        "end": {
          "local": "2018-11-16T01:10:26-03:00",
          "utc": "2018-11-16T04:10:26Z",
          "ms": 1542341425771.7449
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-11-15",
          "window": {
            "start": {
              "local": "2018-11-15T10:40:10-03:00",
              "utc": "2018-11-15T13:40:10Z",
              "ms": 1542289210059.4192
            },
            "end": {
              "local": "2018-11-15T11:28:10-03:00",
              "utc": "2018-11-15T14:28:10Z",
              "ms": 1542292090059.4192
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-11-16",
          "window": {
            "start": {
              "local": "2018-11-16T10:40:21-03:00",
              "utc": "2018-11-16T13:40:21Z",
              "ms": 1542375620685.9937
            },
            "end": {
              "local": "2018-11-16T11:28:21-03:00",
              "utc": "2018-11-16T14:28:21Z",
              "ms": 1542378500685.9937
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 22:34 on Wed 14 Nov to 01:10 on Fri 16 Nov.",
          "fact": "2018-11-15T01:34:22Z → 2018-11-16T04:10:26Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:40–11:28 on the 15th, 10:40–11:28 on the 16th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 34195 s"
        },
        {
          "step": "ruling",
          "text": "Gopāṣṭamī, Recife, 2018: Thursday 15 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "gopashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 8 Gopastami, Gosthastami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-11-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-11-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Gopāṣṭamī 2018 falls on Thursday 15 November. Aṣṭamī runs from 22:34 on Wed 14 Nov to 01:10 on Fri 16 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/akshaya-navami",
      "festival": "akshaya-navami",
      "name": "Akṣaya Navamī",
      "everyday": "Amla Navami",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-11-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5123,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2018-11-16T01:10:26-03:00",
          "utc": "2018-11-16T04:10:26Z",
          "ms": 1542341425771.7449
        },
        "end": {
          "local": "2018-11-17T03:24:34-03:00",
          "utc": "2018-11-17T06:24:34Z",
          "ms": 1542435873641.625
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-11-16T01:10:26-03:00",
          "utc": "2018-11-16T04:10:26Z",
          "ms": 1542341425771.7449
        },
        "end": {
          "local": "2018-11-17T03:24:34-03:00",
          "utc": "2018-11-17T06:24:34Z",
          "ms": 1542435873641.625
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2018-11-16",
          "window": {
            "start": {
              "local": "2018-11-16T04:49:55-03:00",
              "utc": "2018-11-16T07:49:55Z",
              "ms": 1542354594574.6152
            },
            "end": {
              "local": "2018-11-16T08:59:32-03:00",
              "utc": "2018-11-16T11:59:32Z",
              "ms": 1542369571982.201
            }
          },
          "covered_min": 250,
          "window_min": 250,
          "qualifies": true
        },
        {
          "local_date": "2018-11-17",
          "window": {
            "start": {
              "local": "2018-11-17T04:49:56-03:00",
              "utc": "2018-11-17T07:49:56Z",
              "ms": 1542440996189.3013
            },
            "end": {
              "local": "2018-11-17T08:59:40-03:00",
              "utc": "2018-11-17T11:59:40Z",
              "ms": 1542455980151.2551
            }
          },
          "covered_min": 0,
          "window_min": 250,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 01:10 on Fri 16 Nov to 03:25 on Sat 17 Nov.",
          "fact": "2018-11-16T04:10:26Z → 2018-11-17T06:24:34Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 04:50–09:00 on the 16th, 04:50–09:00 on the 17th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during pūrvāhṇa. It covers 250 of 250 minutes on the 16th and 0 of 250 on the 17th.",
          "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 5123 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Navamī, Recife, 2018: Friday 16 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "akshaya-navami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata."
          }
        ],
        "kaala": "purvahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-11-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-11-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Akṣaya Navamī (Amla Navami) 2018 falls on Friday 16 November. Navamī runs from 01:10 on Fri 16 Nov to 03:25 on Sat 17 Nov and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/durga-navami",
      "festival": "durga-navami",
      "name": "Durgā Navamī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-11-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26158,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2018-11-16T01:10:26-03:00",
          "utc": "2018-11-16T04:10:26Z",
          "ms": 1542341425771.7449
        },
        "end": {
          "local": "2018-11-17T03:24:34-03:00",
          "utc": "2018-11-17T06:24:34Z",
          "ms": 1542435873641.625
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-11-16T01:10:26-03:00",
          "utc": "2018-11-16T04:10:26Z",
          "ms": 1542341425771.7449
        },
        "end": {
          "local": "2018-11-17T03:24:34-03:00",
          "utc": "2018-11-17T06:24:34Z",
          "ms": 1542435873641.625
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-11-16",
          "window": {
            "start": {
              "local": "2018-11-16T10:40:21-03:00",
              "utc": "2018-11-16T13:40:21Z",
              "ms": 1542375620685.9937
            },
            "end": {
              "local": "2018-11-16T11:28:21-03:00",
              "utc": "2018-11-16T14:28:21Z",
              "ms": 1542378500685.9937
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-11-17",
          "window": {
            "start": {
              "local": "2018-11-17T10:40:32-03:00",
              "utc": "2018-11-17T13:40:32Z",
              "ms": 1542462032132.232
            },
            "end": {
              "local": "2018-11-17T11:28:32-03:00",
              "utc": "2018-11-17T14:28:32Z",
              "ms": 1542464912132.232
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 01:10 on Fri 16 Nov to 03:25 on Sat 17 Nov.",
          "fact": "2018-11-16T04:10:26Z → 2018-11-17T06:24:34Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:40–11:28 on the 16th, 10:41–11:29 on the 17th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 16th and 0 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 26158 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Navamī, Recife, 2018: Friday 16 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "durga-navami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-11-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-11-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Durgā Navamī 2018 falls on Friday 16 November. Navamī runs from 01:10 on Fri 16 Nov to 03:25 on Sat 17 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/ekadashi?on=2018-11-19",
      "festival": "ekadashi",
      "name": "Prabodhinī Ekādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-11-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 831,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2018-11-18T05:03:49-03:00",
          "utc": "2018-11-18T08:03:49Z",
          "ms": 1542528229488.8474
        },
        "end": {
          "local": "2018-11-19T06:00:06-03:00",
          "utc": "2018-11-19T09:00:06Z",
          "ms": 1542618005748.5667
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-11-18T05:03:49-03:00",
          "utc": "2018-11-18T08:03:49Z",
          "ms": 1542528229488.8474
        },
        "end": {
          "local": "2018-11-19T06:00:06-03:00",
          "utc": "2018-11-19T09:00:06Z",
          "ms": 1542618005748.5667
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-11-18",
          "window": {
            "start": {
              "local": "2018-11-18T04:49:59-03:00",
              "utc": "2018-11-18T07:49:59Z",
              "ms": 1542527398811.9875
            },
            "end": {
              "local": "2018-11-18T04:49:59-03:00",
              "utc": "2018-11-18T07:49:59Z",
              "ms": 1542527398811.9875
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2018-11-19",
          "window": {
            "start": {
              "local": "2018-11-19T04:50:02-03:00",
              "utc": "2018-11-19T07:50:02Z",
              "ms": 1542613802443.5583
            },
            "end": {
              "local": "2018-11-19T04:50:02-03:00",
              "utc": "2018-11-19T07:50:02Z",
              "ms": 1542613802443.5583
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 05:04 on Sun 18 Nov to 06:00 on Mon 19 Nov.",
          "fact": "2018-11-18T08:03:49Z → 2018-11-19T09:00:06Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 04:50 on the 18th and 04:50 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 831 s"
        },
        {
          "step": "ruling",
          "text": "Prabodhinī Ekādaśī, Recife, 2018: Monday 19 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": "2018-11-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-11-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Prabodhinī Ekādaśī 2018 falls on Monday 19 November. Ekādaśī runs from 05:04 on Sun 18 Nov to 06:00 on Mon 19 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/ekadashi?on=2018-11-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/pradosha-vrata?on=2018-11-20",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-11-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 38666,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-11-20T06:10:29-03:00",
          "utc": "2018-11-20T09:10:29Z",
          "ms": 1542705028876.2368
        },
        "end": {
          "local": "2018-11-21T05:36:41-03:00",
          "utc": "2018-11-21T08:36:41Z",
          "ms": 1542789401396.5771
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-11-20T06:10:29-03:00",
          "utc": "2018-11-20T09:10:29Z",
          "ms": 1542705028876.2368
        },
        "end": {
          "local": "2018-11-21T05:36:41-03:00",
          "utc": "2018-11-21T08:36:41Z",
          "ms": 1542789401396.5771
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-11-19",
          "window": {
            "start": {
              "local": "2018-11-19T17:19:52-03:00",
              "utc": "2018-11-19T20:19:52Z",
              "ms": 1542658792485.8408
            },
            "end": {
              "local": "2018-11-19T18:51:54-03:00",
              "utc": "2018-11-19T21:51:54Z",
              "ms": 1542664314432.3232
            }
          },
          "covered_min": 0,
          "window_min": 92,
          "qualifies": false
        },
        {
          "local_date": "2018-11-20",
          "window": {
            "start": {
              "local": "2018-11-20T17:20:16-03:00",
              "utc": "2018-11-20T20:20:16Z",
              "ms": 1542745215596.3296
            },
            "end": {
              "local": "2018-11-20T18:52:15-03:00",
              "utc": "2018-11-20T21:52:15Z",
              "ms": 1542750735214.7834
            }
          },
          "covered_min": 92,
          "window_min": 92,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 06:10 on Tue 20 Nov to 05:37 on Wed 21 Nov.",
          "fact": "2018-11-20T09:10:29Z → 2018-11-21T08:36:41Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:20–18:52 on the 19th, 17:20–18:52 on the 20th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 92 minutes on the 19th and 92 of 92 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 38666 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Recife, 2018: Tuesday 20 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-11-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-11-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śukla Pradoṣa Vrata 2018 falls on Tuesday 20 November. Trayodaśī runs from 06:10 on Tue 20 Nov to 05:37 on Wed 21 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/pradosha-vrata?on=2018-11-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/kartiki-purnima",
      "festival": "kartiki-purnima",
      "name": "Kārtikī Pūrṇimā",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-11-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22671,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2018-11-22T04:23:51-03:00",
          "utc": "2018-11-22T07:23:51Z",
          "ms": 1542871430724.902
        },
        "end": {
          "local": "2018-11-23T02:39:12-03:00",
          "utc": "2018-11-23T05:39:12Z",
          "ms": 1542951551766.9058
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-11-22T04:23:51-03:00",
          "utc": "2018-11-22T07:23:51Z",
          "ms": 1542871430724.902
        },
        "end": {
          "local": "2018-11-23T02:39:12-03:00",
          "utc": "2018-11-23T05:39:12Z",
          "ms": 1542951551766.9058
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-11-22",
          "window": {
            "start": {
              "local": "2018-11-22T10:41:41-03:00",
              "utc": "2018-11-22T13:41:41Z",
              "ms": 1542894101481.7131
            },
            "end": {
              "local": "2018-11-22T11:29:41-03:00",
              "utc": "2018-11-22T14:29:41Z",
              "ms": 1542896981481.7131
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-11-23",
          "window": {
            "start": {
              "local": "2018-11-23T10:41:58-03:00",
              "utc": "2018-11-23T13:41:58Z",
              "ms": 1542980517734.5303
            },
            "end": {
              "local": "2018-11-23T11:29:58-03:00",
              "utc": "2018-11-23T14:29:58Z",
              "ms": 1542983397734.5303
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 04:24 on Thu 22 Nov to 02:39 on Fri 23 Nov.",
          "fact": "2018-11-22T07:23:51Z → 2018-11-23T05:39:12Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:42–11:30 on the 22nd, 10:42–11:30 on the 23rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 22671 s"
        },
        {
          "step": "ruling",
          "text": "Kārtikī Pūrṇimā, Recife, 2018: Thursday 22 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "kartiki-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-11-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-11-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Kārtikī Pūrṇimā 2018 falls on Thursday 22 November. Pūrṇimā runs from 04:24 on Thu 22 Nov to 02:39 on Fri 23 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/rasayatra",
      "festival": "rasayatra",
      "name": "Rāsayātrā",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-11-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11366,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2018-11-22T04:23:51-03:00",
          "utc": "2018-11-22T07:23:51Z",
          "ms": 1542871430724.902
        },
        "end": {
          "local": "2018-11-23T02:39:12-03:00",
          "utc": "2018-11-23T05:39:12Z",
          "ms": 1542951551766.9058
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-11-22T04:23:51-03:00",
          "utc": "2018-11-22T07:23:51Z",
          "ms": 1542871430724.902
        },
        "end": {
          "local": "2018-11-23T02:39:12-03:00",
          "utc": "2018-11-23T05:39:12Z",
          "ms": 1542951551766.9058
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2018-11-21",
          "window": {
            "start": {
              "local": "2018-11-21T22:41:29-03:00",
              "utc": "2018-11-22T01:41:29Z",
              "ms": 1542850889344.418
            },
            "end": {
              "local": "2018-11-21T23:29:29-03:00",
              "utc": "2018-11-22T02:29:29Z",
              "ms": 1542853769344.418
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-11-22",
          "window": {
            "start": {
              "local": "2018-11-22T22:41:45-03:00",
              "utc": "2018-11-23T01:41:45Z",
              "ms": 1542937305315.3975
            },
            "end": {
              "local": "2018-11-22T23:29:45-03:00",
              "utc": "2018-11-23T02:29:45Z",
              "ms": 1542940185315.3975
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 04:24 on Thu 22 Nov to 02:39 on Fri 23 Nov.",
          "fact": "2018-11-22T07:23:51Z → 2018-11-23T05:39:12Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:41–23:29 on the 21st, 22:42–23:30 on the 22nd.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during niśītha. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 11366 s"
        },
        {
          "step": "ruling",
          "text": "Rāsayātrā, Recife, 2018: Thursday 22 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rasayatra",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima."
          }
        ],
        "kaala": "nishita",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-11-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-11-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Rāsayātrā 2018 falls on Thursday 22 November. Pūrṇimā runs from 04:24 on Thu 22 Nov to 02:39 on Fri 23 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/sankashta-chaturthi?on=2018-11-25",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-11-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1232,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-11-25T19:36:42-03:00",
          "utc": "2018-11-25T22:36:42Z",
          "ms": 1543185401828.9277
        },
        "end": {
          "local": "2018-11-26T17:05:14-03:00",
          "utc": "2018-11-26T20:05:14Z",
          "ms": 1543262714438.5405
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-11-25T19:36:42-03:00",
          "utc": "2018-11-25T22:36:42Z",
          "ms": 1543185401828.9277
        },
        "end": {
          "local": "2018-11-26T17:05:14-03:00",
          "utc": "2018-11-26T20:05:14Z",
          "ms": 1543262714438.5405
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2018-11-25",
          "window": {
            "start": {
              "local": "2018-11-25T19:57:14-03:00",
              "utc": "2018-11-25T22:57:14Z",
              "ms": 1543186633996.4795
            },
            "end": {
              "local": "2018-11-25T19:57:14-03:00",
              "utc": "2018-11-25T22:57:14Z",
              "ms": 1543186633996.4795
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2018-11-26",
          "window": {
            "start": {
              "local": "2018-11-26T20:57:23-03:00",
              "utc": "2018-11-26T23:57:23Z",
              "ms": 1543276642703.9294
            },
            "end": {
              "local": "2018-11-26T20:57:23-03:00",
              "utc": "2018-11-26T23:57:23Z",
              "ms": 1543276642703.9294
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 19:37 on Sun 25 Nov to 17:05 on Mon 26 Nov.",
          "fact": "2018-11-25T22:36:42Z → 2018-11-26T20:05:14Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:57 on the 25th and 20:57 on the 26th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 25th and is not on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 1232 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Recife, 2018: Sunday 25 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": "2018-11-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-11-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Saṅkaṣṭa Caturthī 2018 falls on Sunday 25 November. Caturthī runs from 19:37 on Sun 25 Nov to 17:05 on Mon 26 Nov and is current at moonrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/sankashta-chaturthi?on=2018-11-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/ekadashi?on=2018-12-02",
      "festival": "ekadashi",
      "name": "Utpannā Ekādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-12-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1348,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2018-12-02T05:30:43-03:00",
          "utc": "2018-12-02T08:30:43Z",
          "ms": 1543739442973.6228
        },
        "end": {
          "local": "2018-12-03T04:30:10-03:00",
          "utc": "2018-12-03T07:30:10Z",
          "ms": 1543822209960.212
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-12-02T05:30:43-03:00",
          "utc": "2018-12-02T08:30:43Z",
          "ms": 1543739442973.6228
        },
        "end": {
          "local": "2018-12-03T04:30:10-03:00",
          "utc": "2018-12-03T07:30:10Z",
          "ms": 1543822209960.212
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-12-02",
          "window": {
            "start": {
              "local": "2018-12-02T04:52:21-03:00",
              "utc": "2018-12-02T07:52:21Z",
              "ms": 1543737140719.1672
            },
            "end": {
              "local": "2018-12-02T04:52:21-03:00",
              "utc": "2018-12-02T07:52:21Z",
              "ms": 1543737140719.1672
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2018-12-03",
          "window": {
            "start": {
              "local": "2018-12-03T04:52:38-03:00",
              "utc": "2018-12-03T07:52:38Z",
              "ms": 1543823558129.5952
            },
            "end": {
              "local": "2018-12-03T04:52:38-03:00",
              "utc": "2018-12-03T07:52:38Z",
              "ms": 1543823558129.5952
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 05:31 on Sun 2 Dec to 04:30 on Mon 3 Dec.",
          "fact": "2018-12-02T08:30:43Z → 2018-12-03T07:30:10Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 04:52 on the 2nd and 04:53 on the 3rd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 2nd and is not on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Neither sunrise qualifies. The day the tithi falls on is taken.",
          "fact": "priority: paraviddha → tithi-day · margin 1348 s"
        },
        {
          "step": "ruling",
          "text": "Utpannā Ekādaśī, Recife, 2018: Sunday 2 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": "2018-12-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-12-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Utpannā Ekādaśī 2018 falls on Sunday 2 December. Ekādaśī runs from 05:31 on Sun 2 Dec to 04:30 on Mon 3 Dec, and is current at sunrise on neither day.",
      "cite": "https://ahargana.org/recife/festivals/2018/ekadashi?on=2018-12-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/pradosha-vrata?on=2018-12-04",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-12-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30890,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-12-04T03:50:01-03:00",
          "utc": "2018-12-04T06:50:01Z",
          "ms": 1543906200540.239
        },
        "end": {
          "local": "2018-12-05T03:32:57-03:00",
          "utc": "2018-12-05T06:32:57Z",
          "ms": 1543991577177.8337
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-12-04T03:50:01-03:00",
          "utc": "2018-12-04T06:50:01Z",
          "ms": 1543906200540.239
        },
        "end": {
          "local": "2018-12-05T03:32:57-03:00",
          "utc": "2018-12-05T06:32:57Z",
          "ms": 1543991577177.8337
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-12-03",
          "window": {
            "start": {
              "local": "2018-12-03T17:26:04-03:00",
              "utc": "2018-12-03T20:26:04Z",
              "ms": 1543868764125.1194
            },
            "end": {
              "local": "2018-12-03T18:57:39-03:00",
              "utc": "2018-12-03T21:57:39Z",
              "ms": 1543874259099.9812
            }
          },
          "covered_min": 0,
          "window_min": 92,
          "qualifies": false
        },
        {
          "local_date": "2018-12-04",
          "window": {
            "start": {
              "local": "2018-12-04T17:26:34-03:00",
              "utc": "2018-12-04T20:26:34Z",
              "ms": 1543955193928.6628
            },
            "end": {
              "local": "2018-12-04T18:58:07-03:00",
              "utc": "2018-12-04T21:58:07Z",
              "ms": 1543960687487.178
            }
          },
          "covered_min": 92,
          "window_min": 92,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 03:50 on Tue 4 Dec to 03:33 on Wed 5 Dec.",
          "fact": "2018-12-04T06:50:01Z → 2018-12-05T06:32:57Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:26–18:58 on the 3rd, 17:27–18:58 on the 4th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 92 minutes on the 3rd and 92 of 92 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 30890 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Recife, 2018: Tuesday 4 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-12-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-12-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Kṛṣṇa Pradoṣa Vrata 2018 falls on Tuesday 4 December. Trayodaśī runs from 03:50 on Tue 4 Dec to 03:33 on Wed 5 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/pradosha-vrata?on=2018-12-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/shivaratri?on=2018-12-05",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-12-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14342,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2018-12-05T03:32:57-03:00",
          "utc": "2018-12-05T06:32:57Z",
          "ms": 1543991577177.8337
        },
        "end": {
          "local": "2018-12-06T03:42:05-03:00",
          "utc": "2018-12-06T06:42:05Z",
          "ms": 1544078524947.5583
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-12-05T03:32:57-03:00",
          "utc": "2018-12-05T06:32:57Z",
          "ms": 1543991577177.8337
        },
        "end": {
          "local": "2018-12-06T03:42:05-03:00",
          "utc": "2018-12-06T06:42:05Z",
          "ms": 1544078524947.5583
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2018-12-04",
          "window": {
            "start": {
              "local": "2018-12-04T22:45:55-03:00",
              "utc": "2018-12-05T01:45:55Z",
              "ms": 1543974354773.0947
            },
            "end": {
              "local": "2018-12-04T23:33:55-03:00",
              "utc": "2018-12-05T02:33:55Z",
              "ms": 1543977234773.0947
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-12-05",
          "window": {
            "start": {
              "local": "2018-12-05T22:46:20-03:00",
              "utc": "2018-12-06T01:46:20Z",
              "ms": 1544060779834.9229
            },
            "end": {
              "local": "2018-12-05T23:34:20-03:00",
              "utc": "2018-12-06T02:34:20Z",
              "ms": 1544063659834.9229
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 03:33 on Wed 5 Dec to 03:42 on Thu 6 Dec.",
          "fact": "2018-12-05T06:32:57Z → 2018-12-06T06:42:05Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 22:46–23:34 on the 4th, 22:46–23:34 on the 5th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 4th and 48 of 48 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 14342 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Recife, 2018: Wednesday 5 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-12-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-12-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śivarātri 2018 falls on Wednesday 5 December. Caturdaśī runs from 03:33 on Wed 5 Dec to 03:42 on Thu 6 Dec and covers all of niśītha that night.",
      "cite": "https://ahargana.org/recife/festivals/2018/shivaratri?on=2018-12-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/vinayaka-chaturthi?on=2018-12-10",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-12-10",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 915,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-12-10T09:20:09-03:00",
          "utc": "2018-12-10T12:20:09Z",
          "ms": 1544444409277.8625
        },
        "end": {
          "local": "2018-12-11T11:52:03-03:00",
          "utc": "2018-12-11T14:52:03Z",
          "ms": 1544539923419.3313
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-12-10T09:20:09-03:00",
          "utc": "2018-12-10T12:20:09Z",
          "ms": 1544444409277.8625
        },
        "end": {
          "local": "2018-12-11T11:52:03-03:00",
          "utc": "2018-12-11T14:52:03Z",
          "ms": 1544539923419.3313
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-12-10",
          "window": {
            "start": {
              "local": "2018-12-10T10:48:21-03:00",
              "utc": "2018-12-10T13:48:21Z",
              "ms": 1544449700674.7031
            },
            "end": {
              "local": "2018-12-10T11:36:21-03:00",
              "utc": "2018-12-10T14:36:21Z",
              "ms": 1544452580674.7031
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2018-12-11",
          "window": {
            "start": {
              "local": "2018-12-11T10:48:48-03:00",
              "utc": "2018-12-11T13:48:48Z",
              "ms": 1544536128158.3513
            },
            "end": {
              "local": "2018-12-11T11:36:48-03:00",
              "utc": "2018-12-11T14:36:48Z",
              "ms": 1544539008158.3513
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 09:20 on Mon 10 Dec to 11:52 on Tue 11 Dec.",
          "fact": "2018-12-10T12:20:09Z → 2018-12-11T14:52:03Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:48–11:36 on the 10th, 10:49–11:37 on the 11th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 48 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 915 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Recife, 2018: Monday 10 December.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-12-10",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-12-10",
          "confidence": "boundary"
        }
      ],
      "quote": "In Recife, Vināyaka Caturthī 2018 falls on Monday 10 December. Caturthī runs from 09:20 on Mon 10 Dec to 11:52 on Tue 11 Dec and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/recife/festivals/2018/vinayaka-chaturthi?on=2018-12-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/naga-panchami-margashirsha",
      "festival": "naga-panchami-margashirsha",
      "name": "Nāga Pañcamī (Mārgaśīrṣa)",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-12-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 915,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2018-12-11T11:52:03-03:00",
          "utc": "2018-12-11T14:52:03Z",
          "ms": 1544539923419.3313
        },
        "end": {
          "local": "2018-12-12T14:36:10-03:00",
          "utc": "2018-12-12T17:36:10Z",
          "ms": 1544636169968.1587
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-12-11T11:52:03-03:00",
          "utc": "2018-12-11T14:52:03Z",
          "ms": 1544539923419.3313
        },
        "end": {
          "local": "2018-12-12T14:36:10-03:00",
          "utc": "2018-12-12T17:36:10Z",
          "ms": 1544636169968.1587
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-12-11",
          "window": {
            "start": {
              "local": "2018-12-11T10:48:48-03:00",
              "utc": "2018-12-11T13:48:48Z",
              "ms": 1544536128158.3513
            },
            "end": {
              "local": "2018-12-11T11:36:48-03:00",
              "utc": "2018-12-11T14:36:48Z",
              "ms": 1544539008158.3513
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-12-12",
          "window": {
            "start": {
              "local": "2018-12-12T10:49:16-03:00",
              "utc": "2018-12-12T13:49:16Z",
              "ms": 1544622556003.75
            },
            "end": {
              "local": "2018-12-12T11:37:16-03:00",
              "utc": "2018-12-12T14:37:16Z",
              "ms": 1544625436003.75
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 11:52 on Tue 11 Dec to 14:36 on Wed 12 Dec.",
          "fact": "2018-12-11T14:52:03Z → 2018-12-12T17:36:10Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:49–11:37 on the 11th, 10:49–11:37 on the 12th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 11th and 48 of 48 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 915 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī (Mārgaśīrṣa), Recife, 2018: Wednesday 12 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "naga-panchami-margashirsha",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Naga pancami (2nd) (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-12-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-12-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Nāga Pañcamī (Mārgaśīrṣa) 2018 falls on Wednesday 12 December. Pañcamī runs from 11:52 on Tue 11 Dec to 14:36 on Wed 12 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/champa-shashthi",
      "festival": "champa-shashthi",
      "name": "Campā Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-12-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10734,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2018-12-12T14:36:10-03:00",
          "utc": "2018-12-12T17:36:10Z",
          "ms": 1544636169968.1587
        },
        "end": {
          "local": "2018-12-13T17:19:09-03:00",
          "utc": "2018-12-13T20:19:09Z",
          "ms": 1544732349232.6333
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-12-12T14:36:10-03:00",
          "utc": "2018-12-12T17:36:10Z",
          "ms": 1544636169968.1587
        },
        "end": {
          "local": "2018-12-13T17:19:09-03:00",
          "utc": "2018-12-13T20:19:09Z",
          "ms": 1544732349232.6333
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-12-12",
          "window": {
            "start": {
              "local": "2018-12-12T10:49:16-03:00",
              "utc": "2018-12-12T13:49:16Z",
              "ms": 1544622556003.75
            },
            "end": {
              "local": "2018-12-12T11:37:16-03:00",
              "utc": "2018-12-12T14:37:16Z",
              "ms": 1544625436003.75
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-12-13",
          "window": {
            "start": {
              "local": "2018-12-13T10:49:44-03:00",
              "utc": "2018-12-13T13:49:44Z",
              "ms": 1544708984177.9521
            },
            "end": {
              "local": "2018-12-13T11:37:44-03:00",
              "utc": "2018-12-13T14:37:44Z",
              "ms": 1544711864177.9521
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 14:36 on Wed 12 Dec to 17:19 on Thu 13 Dec.",
          "fact": "2018-12-12T17:36:10Z → 2018-12-13T20:19:09Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:49–11:37 on the 12th, 10:50–11:38 on the 13th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 10734 s"
        },
        {
          "step": "ruling",
          "text": "Campā Ṣaṣṭhī, Recife, 2018: Thursday 13 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "champa-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi"
          }
        ],
        "not_evaluated": "The row calls the day special with Śatabhiṣaj nakṣatra, Vyatīpāta yoga and a Sunday; none is tested.",
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-12-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-12-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Campā Ṣaṣṭhī 2018 falls on Thursday 13 December. Ṣaṣṭhī runs from 14:36 on Wed 12 Dec to 17:19 on Thu 13 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/skanda-shashthi",
      "festival": "skanda-shashthi",
      "name": "Skanda Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-12-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10734,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2018-12-12T14:36:10-03:00",
          "utc": "2018-12-12T17:36:10Z",
          "ms": 1544636169968.1587
        },
        "end": {
          "local": "2018-12-13T17:19:09-03:00",
          "utc": "2018-12-13T20:19:09Z",
          "ms": 1544732349232.6333
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-12-12T14:36:10-03:00",
          "utc": "2018-12-12T17:36:10Z",
          "ms": 1544636169968.1587
        },
        "end": {
          "local": "2018-12-13T17:19:09-03:00",
          "utc": "2018-12-13T20:19:09Z",
          "ms": 1544732349232.6333
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-12-12",
          "window": {
            "start": {
              "local": "2018-12-12T10:49:16-03:00",
              "utc": "2018-12-12T13:49:16Z",
              "ms": 1544622556003.75
            },
            "end": {
              "local": "2018-12-12T11:37:16-03:00",
              "utc": "2018-12-12T14:37:16Z",
              "ms": 1544625436003.75
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-12-13",
          "window": {
            "start": {
              "local": "2018-12-13T10:49:44-03:00",
              "utc": "2018-12-13T13:49:44Z",
              "ms": 1544708984177.9521
            },
            "end": {
              "local": "2018-12-13T11:37:44-03:00",
              "utc": "2018-12-13T14:37:44Z",
              "ms": 1544711864177.9521
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 14:36 on Wed 12 Dec to 17:19 on Thu 13 Dec.",
          "fact": "2018-12-12T17:36:10Z → 2018-12-13T20:19:09Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:49–11:37 on the 12th, 10:50–11:38 on the 13th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 10734 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī, Recife, 2018: Thursday 13 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "skanda-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 6 Campa sasthi (Maharashtra) (paraviddha). (Special when combined with naksatra Satabhisaj, yoga Vyatipata and Sunday), Skanda sasthi (purvaviddha), Guha sasthi"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-12-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-12-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Skanda Ṣaṣṭhī 2018 falls on Thursday 13 December. Ṣaṣṭhī runs from 14:36 on Wed 12 Dec to 17:19 on Thu 13 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/mitra-saptami",
      "festival": "mitra-saptami",
      "name": "Mitra Saptamī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-12-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20485,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2018-12-13T17:19:09-03:00",
          "utc": "2018-12-13T20:19:09Z",
          "ms": 1544732349232.6333
        },
        "end": {
          "local": "2018-12-14T19:46:12-03:00",
          "utc": "2018-12-14T22:46:12Z",
          "ms": 1544827571560.4277
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-12-13T17:19:09-03:00",
          "utc": "2018-12-13T20:19:09Z",
          "ms": 1544732349232.6333
        },
        "end": {
          "local": "2018-12-14T19:46:12-03:00",
          "utc": "2018-12-14T22:46:12Z",
          "ms": 1544827571560.4277
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-12-13",
          "window": {
            "start": {
              "local": "2018-12-13T10:49:44-03:00",
              "utc": "2018-12-13T13:49:44Z",
              "ms": 1544708984177.9521
            },
            "end": {
              "local": "2018-12-13T11:37:44-03:00",
              "utc": "2018-12-13T14:37:44Z",
              "ms": 1544711864177.9521
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-12-14",
          "window": {
            "start": {
              "local": "2018-12-14T10:50:13-03:00",
              "utc": "2018-12-14T13:50:13Z",
              "ms": 1544795412647.899
            },
            "end": {
              "local": "2018-12-14T11:38:13-03:00",
              "utc": "2018-12-14T14:38:13Z",
              "ms": 1544798292647.899
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 17:19 on Thu 13 Dec to 19:46 on Fri 14 Dec.",
          "fact": "2018-12-13T20:19:09Z → 2018-12-14T22:46:12Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:50–11:38 on the 13th, 10:50–11:38 on the 14th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 20485 s"
        },
        {
          "step": "ruling",
          "text": "Mitra Saptamī, Recife, 2018: Friday 14 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mitra-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Mitra saptami (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-12-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-12-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Mitra Saptamī 2018 falls on Friday 14 December. Saptamī runs from 17:19 on Thu 13 Dec to 19:46 on Fri 14 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/ekadashi?on=2018-12-18",
      "festival": "ekadashi",
      "name": "Mokṣadā Ekādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-12-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19881,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2018-12-17T23:27:11-03:00",
          "utc": "2018-12-18T02:27:11Z",
          "ms": 1545100031287.2249
        },
        "end": {
          "local": "2018-12-18T23:05:25-03:00",
          "utc": "2018-12-19T02:05:25Z",
          "ms": 1545185125345.9263
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-12-17T23:27:11-03:00",
          "utc": "2018-12-18T02:27:11Z",
          "ms": 1545100031287.2249
        },
        "end": {
          "local": "2018-12-18T23:05:25-03:00",
          "utc": "2018-12-19T02:05:25Z",
          "ms": 1545185125345.9263
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2018-12-18",
          "window": {
            "start": {
              "local": "2018-12-18T04:58:32-03:00",
              "utc": "2018-12-18T07:58:32Z",
              "ms": 1545119912197.2295
            },
            "end": {
              "local": "2018-12-18T04:58:32-03:00",
              "utc": "2018-12-18T07:58:32Z",
              "ms": 1545119912197.2295
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2018-12-19",
          "window": {
            "start": {
              "local": "2018-12-19T04:59:01-03:00",
              "utc": "2018-12-19T07:59:01Z",
              "ms": 1545206340688.9954
            },
            "end": {
              "local": "2018-12-19T04:59:01-03:00",
              "utc": "2018-12-19T07:59:01Z",
              "ms": 1545206340688.9954
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 23:27 on Mon 17 Dec to 23:05 on Tue 18 Dec.",
          "fact": "2018-12-18T02:27:11Z → 2018-12-19T02:05:25Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 04:59 on the 18th and 04:59 on the 19th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 18th and is not on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 19881 s"
        },
        {
          "step": "ruling",
          "text": "Mokṣadā Ekādaśī, Recife, 2018: Tuesday 18 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-12-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-12-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Mokṣadā Ekādaśī 2018 falls on Tuesday 18 December. Ekādaśī runs from 23:27 on Mon 17 Dec to 23:05 on Tue 18 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/ekadashi?on=2018-12-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/akhanda-dvadashi",
      "festival": "akhanda-dvadashi",
      "name": "Akhaṇḍa Dvādaśī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-12-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36929,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2018-12-18T23:05:25-03:00",
          "utc": "2018-12-19T02:05:25Z",
          "ms": 1545185125345.9263
        },
        "end": {
          "local": "2018-12-19T21:56:08-03:00",
          "utc": "2018-12-20T00:56:08Z",
          "ms": 1545267367620.2102
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-12-18T23:05:25-03:00",
          "utc": "2018-12-19T02:05:25Z",
          "ms": 1545185125345.9263
        },
        "end": {
          "local": "2018-12-19T21:56:08-03:00",
          "utc": "2018-12-20T00:56:08Z",
          "ms": 1545267367620.2102
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2018-12-18",
          "window": {
            "start": {
              "local": "2018-12-18T10:52:09-03:00",
              "utc": "2018-12-18T13:52:09Z",
              "ms": 1545141128824.8398
            },
            "end": {
              "local": "2018-12-18T11:40:09-03:00",
              "utc": "2018-12-18T14:40:09Z",
              "ms": 1545144008824.8398
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2018-12-19",
          "window": {
            "start": {
              "local": "2018-12-19T10:52:38-03:00",
              "utc": "2018-12-19T13:52:38Z",
              "ms": 1545227558280.4219
            },
            "end": {
              "local": "2018-12-19T11:40:38-03:00",
              "utc": "2018-12-19T14:40:38Z",
              "ms": 1545230438280.4219
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 23:05 on Tue 18 Dec to 21:56 on Wed 19 Dec.",
          "fact": "2018-12-19T02:05:25Z → 2018-12-20T00:56:08Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 10:52–11:40 on the 18th, 10:53–11:41 on the 19th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 36929 s"
        },
        {
          "step": "ruling",
          "text": "Akhaṇḍa Dvādaśī, Recife, 2018: Wednesday 19 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "akhanda-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Matsya dvadasi, Akhanda dvadasi (paraviddha), Vyanjana dvadasi & Dana dvadasi (Orissa)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-12-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-12-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Akhaṇḍa Dvādaśī 2018 falls on Wednesday 19 December. Dvādaśī runs from 23:05 on Tue 18 Dec to 21:56 on Wed 19 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/pradosha-vrata?on=2018-12-20",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-12-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3524,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2018-12-19T21:56:08-03:00",
          "utc": "2018-12-20T00:56:08Z",
          "ms": 1545267367620.2102
        },
        "end": {
          "local": "2018-12-20T20:04:52-03:00",
          "utc": "2018-12-20T23:04:52Z",
          "ms": 1545347091859.143
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-12-19T21:56:08-03:00",
          "utc": "2018-12-20T00:56:08Z",
          "ms": 1545267367620.2102
        },
        "end": {
          "local": "2018-12-20T20:04:52-03:00",
          "utc": "2018-12-20T23:04:52Z",
          "ms": 1545347091859.143
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-12-19",
          "window": {
            "start": {
              "local": "2018-12-19T17:34:16-03:00",
              "utc": "2018-12-19T20:34:16Z",
              "ms": 1545251655871.8481
            },
            "end": {
              "local": "2018-12-19T19:05:38-03:00",
              "utc": "2018-12-19T22:05:38Z",
              "ms": 1545257137704.828
            }
          },
          "covered_min": 0,
          "window_min": 91,
          "qualifies": false
        },
        {
          "local_date": "2018-12-20",
          "window": {
            "start": {
              "local": "2018-12-20T17:34:46-03:00",
              "utc": "2018-12-20T20:34:46Z",
              "ms": 1545338086055.1482
            },
            "end": {
              "local": "2018-12-20T19:06:08-03:00",
              "utc": "2018-12-20T22:06:08Z",
              "ms": 1545343567775.493
            }
          },
          "covered_min": 91,
          "window_min": 91,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 21:56 on Wed 19 Dec to 20:05 on Thu 20 Dec.",
          "fact": "2018-12-20T00:56:08Z → 2018-12-20T23:04:52Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:34–19:06 on the 19th, 17:35–19:06 on the 20th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 19th and 91 of 91 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 3524 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Recife, 2018: Thursday 20 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-12-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-12-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Śukla Pradoṣa Vrata 2018 falls on Thursday 20 December. Trayodaśī runs from 21:56 on Wed 19 Dec to 20:05 on Thu 20 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/recife/festivals/2018/pradosha-vrata?on=2018-12-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/recife/festivals/2018/dattatreyotpatti",
      "festival": "dattatreyotpatti",
      "name": "Dattātreyotpatti",
      "everyday": "Datta Jayanti",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-12-21",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 246,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2018-12-21T17:39:22-03:00",
          "utc": "2018-12-21T20:39:22Z",
          "ms": 1545424762159.9248
        },
        "end": {
          "local": "2018-12-22T14:48:35-03:00",
          "utc": "2018-12-22T17:48:35Z",
          "ms": 1545500914979.4106
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-12-21T17:39:22-03:00",
          "utc": "2018-12-21T20:39:22Z",
          "ms": 1545424762159.9248
        },
        "end": {
          "local": "2018-12-22T14:48:35-03:00",
          "utc": "2018-12-22T17:48:35Z",
          "ms": 1545500914979.4106
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2018-12-21",
          "window": {
            "start": {
              "local": "2018-12-21T17:35:16-03:00",
              "utc": "2018-12-21T20:35:16Z",
              "ms": 1545424515971.6768
            },
            "end": {
              "local": "2018-12-21T19:06:38-03:00",
              "utc": "2018-12-21T22:06:38Z",
              "ms": 1545429997665.4504
            }
          },
          "covered_min": 87,
          "window_min": 91,
          "qualifies": true
        },
        {
          "local_date": "2018-12-22",
          "window": {
            "start": {
              "local": "2018-12-22T17:35:46-03:00",
              "utc": "2018-12-22T20:35:46Z",
              "ms": 1545510945591.8215
            },
            "end": {
              "local": "2018-12-22T19:07:07-03:00",
              "utc": "2018-12-22T22:07:07Z",
              "ms": 1545516427345.138
            }
          },
          "covered_min": 0,
          "window_min": 91,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 17:39 on Fri 21 Dec to 14:49 on Sat 22 Dec.",
          "fact": "2018-12-21T20:39:22Z → 2018-12-22T17:48:35Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:35–19:07 on the 21st, 17:36–19:07 on the 22nd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 87 of 91 minutes on the 21st and 0 of 91 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 246 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Dattātreyotpatti, Recife, 2018: Friday 21 December.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "dattatreyotpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Dattatreyotpatti (pradosa)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-12-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-12-21",
          "confidence": "boundary"
        }
      ],
      "quote": "In Recife, Dattātreyotpatti (Datta Jayanti) 2018 falls on Friday 21 December. Pūrṇimā runs from 17:39 on Fri 21 Dec to 14:49 on Sat 22 Dec and covers 87 of 91 minutes of pradoṣa that evening. It is 4 min 06 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/recife/festivals/2018/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": "/recife/festivals/2018/sankashta-chaturthi?on=2018-12-25",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "3390760",
      "year": 2018,
      "local_date": "2018-12-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20095,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2018-12-25T05:17:36-03:00",
          "utc": "2018-12-25T08:17:36Z",
          "ms": 1545725855673.9705
        },
        "end": {
          "local": "2018-12-26T02:16:49-03:00",
          "utc": "2018-12-26T05:16:49Z",
          "ms": 1545801409141.9246
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2018-12-25T05:17:36-03:00",
          "utc": "2018-12-25T08:17:36Z",
          "ms": 1545725855673.9705
        },
        "end": {
          "local": "2018-12-26T02:16:49-03:00",
          "utc": "2018-12-26T05:16:49Z",
          "ms": 1545801409141.9246
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2018-12-24",
          "window": {
            "start": {
              "local": "2018-12-24T19:43:55-03:00",
              "utc": "2018-12-24T22:43:55Z",
              "ms": 1545691435310
            },
            "end": {
              "local": "2018-12-24T19:43:55-03:00",
              "utc": "2018-12-24T22:43:55Z",
              "ms": 1545691435310
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2018-12-25",
          "window": {
            "start": {
              "local": "2018-12-25T20:41:54-03:00",
              "utc": "2018-12-25T23:41:54Z",
              "ms": 1545781313668.8496
            },
            "end": {
              "local": "2018-12-25T20:41:54-03:00",
              "utc": "2018-12-25T23:41:54Z",
              "ms": 1545781313668.8496
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 05:18 on Tue 25 Dec to 02:17 on Wed 26 Dec.",
          "fact": "2018-12-25T08:17:36Z → 2018-12-26T05:16:49Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:44 on the 24th and 20:42 on the 25th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 24th and is on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 20095 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Recife, 2018: Tuesday 25 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2018-12-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2018-12-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Recife, Saṅkaṣṭa Caturthī 2018 falls on Tuesday 25 December. Caturthī runs from 05:18 on Tue 25 Dec to 02:17 on Wed 26 Dec and is current at moonrise that day.",
      "cite": "https://ahargana.org/recife/festivals/2018/sankashta-chaturthi?on=2018-12-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    }
  ],
  "engine": {
    "version": "0.1.0",
    "ruleset": "2026.3-draft",
    "kernel": "de440-1900-2100",
    "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
    "tzdata": "2026f"
  }
}
