{
  "id": "/zunyi/festivals/2021",
  "place": {
    "id": "1783621",
    "slug": "zunyi",
    "name": "Zunyi",
    "region": "Guizhou, China",
    "country": "CN",
    "lat": 27.68667,
    "lon": 106.90722,
    "elevation_m": 867,
    "tz": "Asia/Shanghai"
  },
  "year": 2021,
  "tradition": "smarta",
  "method": "pac-rp@2026.1",
  "ruleset": "2026.3-draft",
  "rulings": [
    {
      "id": "/zunyi/festivals/2021/sankashta-chaturthi?on=2021-01-02",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-01-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34428,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-01-02T11:40:22+08:00",
          "utc": "2021-01-02T03:40:22Z",
          "ms": 1609558821591.7615
        },
        "end": {
          "local": "2021-01-03T10:52:53+08:00",
          "utc": "2021-01-03T02:52:53Z",
          "ms": 1609642373054.759
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-01-02T11:40:22+08:00",
          "utc": "2021-01-02T03:40:22Z",
          "ms": 1609558821591.7615
        },
        "end": {
          "local": "2021-01-03T10:52:53+08:00",
          "utc": "2021-01-03T02:52:53Z",
          "ms": 1609642373054.759
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2021-01-02",
          "window": {
            "start": {
              "local": "2021-01-02T21:14:10+08:00",
              "utc": "2021-01-02T13:14:10Z",
              "ms": 1609593249936.9363
            },
            "end": {
              "local": "2021-01-02T21:14:10+08:00",
              "utc": "2021-01-02T13:14:10Z",
              "ms": 1609593249936.9363
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2021-01-03",
          "window": {
            "start": {
              "local": "2021-01-03T22:15:51+08:00",
              "utc": "2021-01-03T14:15:51Z",
              "ms": 1609683351331.009
            },
            "end": {
              "local": "2021-01-03T22:15:51+08:00",
              "utc": "2021-01-03T14:15:51Z",
              "ms": 1609683351331.009
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:40 on Sat 2 Jan to 10:53 on Sun 3 Jan.",
          "fact": "2021-01-02T03:40:22Z → 2021-01-03T02:52:53Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:14 on the 2nd and 22:16 on the 3rd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 2nd and is not 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 34428 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Zunyi, 2021: Saturday 2 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": "2021-01-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-01-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2021 falls on Saturday 2 January. Caturthī runs from 11:40 on Sat 2 Jan to 10:53 on Sun 3 Jan and is current at moonrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/sankashta-chaturthi?on=2021-01-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/ekadashi?on=2021-01-09",
      "festival": "ekadashi",
      "name": "Saphalā Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-01-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27243,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-01-09T00:10:38+08:00",
          "utc": "2021-01-08T16:10:38Z",
          "ms": 1610122238088.5125
        },
        "end": {
          "local": "2021-01-09T21:47:29+08:00",
          "utc": "2021-01-09T13:47:29Z",
          "ms": 1610200049305.7441
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-01-09T00:10:38+08:00",
          "utc": "2021-01-08T16:10:38Z",
          "ms": 1610122238088.5125
        },
        "end": {
          "local": "2021-01-09T21:47:29+08:00",
          "utc": "2021-01-09T13:47:29Z",
          "ms": 1610200049305.7441
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-01-09",
          "window": {
            "start": {
              "local": "2021-01-09T07:44:41+08:00",
              "utc": "2021-01-08T23:44:41Z",
              "ms": 1610149481340.5933
            },
            "end": {
              "local": "2021-01-09T07:44:41+08:00",
              "utc": "2021-01-08T23:44:41Z",
              "ms": 1610149481340.5933
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2021-01-10",
          "window": {
            "start": {
              "local": "2021-01-10T07:44:45+08:00",
              "utc": "2021-01-09T23:44:45Z",
              "ms": 1610235884502.6887
            },
            "end": {
              "local": "2021-01-10T07:44:45+08:00",
              "utc": "2021-01-09T23:44:45Z",
              "ms": 1610235884502.6887
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 00:11 on Sat 9 Jan to 21:47 on Sat 9 Jan.",
          "fact": "2021-01-08T16:10:38Z → 2021-01-09T13:47:29Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:45 on the 9th and 07:45 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 27243 s"
        },
        {
          "step": "ruling",
          "text": "Saphalā Ekādaśī, Zunyi, 2021: Saturday 9 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-01-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-01-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Saphalā Ekādaśī 2021 falls on Saturday 9 January. Ekādaśī runs from 00:11 on Sat 9 Jan to 21:47 on Sat 9 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-01-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/pradosha-vrata?on=2021-01-10",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-01-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2397,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-01-10T19:23:10+08:00",
          "utc": "2021-01-10T11:23:10Z",
          "ms": 1610277789628.4275
        },
        "end": {
          "local": "2021-01-11T17:02:55+08:00",
          "utc": "2021-01-11T09:02:55Z",
          "ms": 1610355775108.1753
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-01-10T19:23:10+08:00",
          "utc": "2021-01-10T11:23:10Z",
          "ms": 1610277789628.4275
        },
        "end": {
          "local": "2021-01-11T17:02:55+08:00",
          "utc": "2021-01-11T09:02:55Z",
          "ms": 1610355775108.1753
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-01-10",
          "window": {
            "start": {
              "local": "2021-01-10T18:15:09+08:00",
              "utc": "2021-01-10T10:15:09Z",
              "ms": 1610273709244.8018
            },
            "end": {
              "local": "2021-01-10T20:03:06+08:00",
              "utc": "2021-01-10T12:03:06Z",
              "ms": 1610280186160.453
            }
          },
          "covered_min": 40,
          "window_min": 108,
          "qualifies": true
        },
        {
          "local_date": "2021-01-11",
          "window": {
            "start": {
              "local": "2021-01-11T18:15:56+08:00",
              "utc": "2021-01-11T10:15:56Z",
              "ms": 1610360156076.1877
            },
            "end": {
              "local": "2021-01-11T20:03:47+08:00",
              "utc": "2021-01-11T12:03:47Z",
              "ms": 1610366626753.9414
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 19:23 on Sun 10 Jan to 17:03 on Mon 11 Jan.",
          "fact": "2021-01-10T11:23:10Z → 2021-01-11T09:02:55Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:15–20:03 on the 10th, 18:16–20:04 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 40 of 108 minutes on the 10th and 0 of 108 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 2397 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2021: Sunday 10 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-01-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-01-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2021 falls on Sunday 10 January. Trayodaśī runs from 19:23 on Sun 10 Jan to 17:03 on Mon 11 Jan and covers 40 of 108 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/pradosha-vrata?on=2021-01-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/shivaratri?on=2021-01-11",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-01-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27206,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2021-01-11T17:02:55+08:00",
          "utc": "2021-01-11T09:02:55Z",
          "ms": 1610355775108.1753
        },
        "end": {
          "local": "2021-01-12T14:52:57+08:00",
          "utc": "2021-01-12T06:52:57Z",
          "ms": 1610434377095.8225
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-01-11T17:02:55+08:00",
          "utc": "2021-01-11T09:02:55Z",
          "ms": 1610355775108.1753
        },
        "end": {
          "local": "2021-01-12T14:52:57+08:00",
          "utc": "2021-01-12T06:52:57Z",
          "ms": 1610434377095.8225
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2021-01-11",
          "window": {
            "start": {
              "local": "2021-01-12T00:36:21+08:00",
              "utc": "2021-01-11T16:36:21Z",
              "ms": 1610382981117.7642
            },
            "end": {
              "local": "2021-01-12T01:24:21+08:00",
              "utc": "2021-01-11T17:24:21Z",
              "ms": 1610385861117.7642
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-01-12",
          "window": {
            "start": {
              "local": "2021-01-13T00:36:44+08:00",
              "utc": "2021-01-12T16:36:44Z",
              "ms": 1610469403966.332
            },
            "end": {
              "local": "2021-01-13T01:24:44+08:00",
              "utc": "2021-01-12T17:24:44Z",
              "ms": 1610472283966.332
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 17:03 on Mon 11 Jan to 14:53 on Tue 12 Jan.",
          "fact": "2021-01-11T09:02:55Z → 2021-01-12T06:52:57Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:36–01:24 on the 11th, 00:37–01:25 on the 12th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 27206 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Zunyi, 2021: Monday 11 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": "2021-01-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-01-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Śivarātri 2021 falls on Monday 11 January. Caturdaśī runs from 17:03 on Mon 11 Jan to 14:53 on Tue 12 Jan and covers all of niśītha that night.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/shivaratri?on=2021-01-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/bhogi",
      "festival": "bhogi",
      "name": "Bhogi",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-01-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27204,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2021-01-14T10:44:55+08:00",
          "utc": "2021-01-14T02:44:55Z",
          "ms": 1610592294547.4893
        },
        "end": {
          "local": "2021-02-12T23:42:21+08:00",
          "utc": "2021-02-12T15:42:21Z",
          "ms": 1613144541207.346
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2021-01-14T10:44:55+08:00",
          "utc": "2021-01-14T02:44:55Z",
          "ms": 1610592294547.4893
        },
        "end": {
          "local": "2021-01-14T10:44:55+08:00",
          "utc": "2021-01-14T02:44:55Z",
          "ms": 1610592294547.4893
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2021-01-14",
          "window": {
            "start": {
              "local": "2021-01-13T18:17:31+08:00",
              "utc": "2021-01-13T10:17:31Z",
              "ms": 1610533050862.553
            },
            "end": {
              "local": "2021-01-14T18:18:19+08:00",
              "utc": "2021-01-14T10:18:19Z",
              "ms": 1610619498726.5078
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        },
        {
          "local_date": "2021-01-15",
          "window": {
            "start": {
              "local": "2021-01-14T18:18:19+08:00",
              "utc": "2021-01-14T10:18:19Z",
              "ms": 1610619498726.5078
            },
            "end": {
              "local": "2021-01-15T18:19:07+08:00",
              "utc": "2021-01-15T10:19:07Z",
              "ms": 1610705946845.5068
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "2021-01-14",
        "days": -1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 10:45 on Thu 14 Jan.",
          "fact": "2021-01-14T02:44:55Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 18:18, and the day of the 15th ends at 18:19.",
          "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 27204 s"
        },
        {
          "step": "counted",
          "text": "Bhogi is kept the day before Pongal: Thursday 14 January is the day taken above.",
          "fact": "follows: pongal − 1 d"
        },
        {
          "step": "ruling",
          "text": "Bhogi, Zunyi, 2021: Wednesday 13 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "bhogi",
        "follows": {
          "festival": "pongal",
          "days": -1
        },
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        ],
        "rashi": "Makara",
        "day_from": "sunset"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2021-01-13",
          "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": "2021-01-13",
          "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 Zunyi, Bhogi 2021 falls on Wednesday 13 January. It is kept the day before Pongal, which falls on Thursday 14 January. The Sun enters Makara at 10:45 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/pongal",
      "festival": "pongal",
      "name": "Pongal",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27204,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2021-01-14T10:44:55+08:00",
          "utc": "2021-01-14T02:44:55Z",
          "ms": 1610592294547.4893
        },
        "end": {
          "local": "2021-02-12T23:42:21+08:00",
          "utc": "2021-02-12T15:42:21Z",
          "ms": 1613144541207.346
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2021-01-14T10:44:55+08:00",
          "utc": "2021-01-14T02:44:55Z",
          "ms": 1610592294547.4893
        },
        "end": {
          "local": "2021-01-14T10:44:55+08:00",
          "utc": "2021-01-14T02:44:55Z",
          "ms": 1610592294547.4893
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2021-01-14",
          "window": {
            "start": {
              "local": "2021-01-13T18:17:31+08:00",
              "utc": "2021-01-13T10:17:31Z",
              "ms": 1610533050862.553
            },
            "end": {
              "local": "2021-01-14T18:18:19+08:00",
              "utc": "2021-01-14T10:18:19Z",
              "ms": 1610619498726.5078
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        },
        {
          "local_date": "2021-01-15",
          "window": {
            "start": {
              "local": "2021-01-14T18:18:19+08:00",
              "utc": "2021-01-14T10:18:19Z",
              "ms": 1610619498726.5078
            },
            "end": {
              "local": "2021-01-15T18:19:07+08:00",
              "utc": "2021-01-15T10:19:07Z",
              "ms": 1610705946845.5068
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 10:45 on Thu 14 Jan.",
          "fact": "2021-01-14T02:44:55Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 18:18, and the day of the 15th ends at 18:19.",
          "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 27204 s"
        },
        {
          "step": "ruling",
          "text": "Pongal, Zunyi, 2021: Thursday 14 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "pongal",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        ],
        "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.",
        "rashi": "Makara",
        "day_from": "sunset"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2021-01-14",
          "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": "2021-01-14",
          "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 Zunyi, Pongal 2021 falls on Thursday 14 January. The Sun enters Makara at 10:45 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/makara-sankranti",
      "festival": "makara-sankranti",
      "name": "Makara Saṅkrānti",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 38695,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2021-01-14T10:44:55+08:00",
          "utc": "2021-01-14T02:44:55Z",
          "ms": 1610592294547.4893
        },
        "end": {
          "local": "2021-02-12T23:42:21+08:00",
          "utc": "2021-02-12T15:42:21Z",
          "ms": 1613144541207.346
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2021-01-14T10:44:55+08:00",
          "utc": "2021-01-14T02:44:55Z",
          "ms": 1610592294547.4893
        },
        "end": {
          "local": "2021-01-14T10:44:55+08:00",
          "utc": "2021-01-14T02:44:55Z",
          "ms": 1610592294547.4893
        }
      },
      "kaala": "civil-day",
      "days": [
        {
          "local_date": "2021-01-13",
          "window": {
            "start": {
              "local": "2021-01-13T00:00:00+08:00",
              "utc": "2021-01-12T16:00:00Z",
              "ms": 1610467200000
            },
            "end": {
              "local": "2021-01-14T00:00:00+08:00",
              "utc": "2021-01-13T16:00:00Z",
              "ms": 1610553600000
            }
          },
          "covered_min": 0,
          "window_min": 1440,
          "qualifies": false
        },
        {
          "local_date": "2021-01-14",
          "window": {
            "start": {
              "local": "2021-01-14T00:00:00+08:00",
              "utc": "2021-01-13T16:00:00Z",
              "ms": 1610553600000
            },
            "end": {
              "local": "2021-01-15T00:00:00+08:00",
              "utc": "2021-01-14T16:00:00Z",
              "ms": 1610640000000
            }
          },
          "covered_min": 1,
          "window_min": 1440,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 10:45 on Thu 14 Jan.",
          "fact": "2021-01-14T02:44:55Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from midnight to midnight, on the clock of Zunyi.",
          "fact": "civil-day: midnight-to-midnight · Asia/Shanghai"
        },
        {
          "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 38695 s"
        },
        {
          "step": "ruling",
          "text": "Makara Saṅkrānti, Zunyi, 2021: Thursday 14 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "makara-sankranti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        ],
        "rashi": "Makara",
        "day_from": "midnight"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "sunrise-day",
          "local_date": "2021-01-14",
          "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": "2021-01-14",
          "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 Zunyi, Makara Saṅkrānti 2021 falls on Thursday 14 January. The Sun enters Makara at 10:45 on Thu 14 Jan, and the rule counts the day from midnight.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/mattu-pongal",
      "festival": "mattu-pongal",
      "name": "Mattu Pongal",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-01-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27204,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2021-01-14T10:44:55+08:00",
          "utc": "2021-01-14T02:44:55Z",
          "ms": 1610592294547.4893
        },
        "end": {
          "local": "2021-02-12T23:42:21+08:00",
          "utc": "2021-02-12T15:42:21Z",
          "ms": 1613144541207.346
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2021-01-14T10:44:55+08:00",
          "utc": "2021-01-14T02:44:55Z",
          "ms": 1610592294547.4893
        },
        "end": {
          "local": "2021-01-14T10:44:55+08:00",
          "utc": "2021-01-14T02:44:55Z",
          "ms": 1610592294547.4893
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2021-01-14",
          "window": {
            "start": {
              "local": "2021-01-13T18:17:31+08:00",
              "utc": "2021-01-13T10:17:31Z",
              "ms": 1610533050862.553
            },
            "end": {
              "local": "2021-01-14T18:18:19+08:00",
              "utc": "2021-01-14T10:18:19Z",
              "ms": 1610619498726.5078
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        },
        {
          "local_date": "2021-01-15",
          "window": {
            "start": {
              "local": "2021-01-14T18:18:19+08:00",
              "utc": "2021-01-14T10:18:19Z",
              "ms": 1610619498726.5078
            },
            "end": {
              "local": "2021-01-15T18:19:07+08:00",
              "utc": "2021-01-15T10:19:07Z",
              "ms": 1610705946845.5068
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "2021-01-14",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 10:45 on Thu 14 Jan.",
          "fact": "2021-01-14T02:44:55Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from the sunset before it to its own sunset: the day of the 14th ends at 18:18, and the day of the 15th ends at 18:19.",
          "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 27204 s"
        },
        {
          "step": "counted",
          "text": "Mattu Pongal is kept the day after Pongal: Thursday 14 January is the day taken above.",
          "fact": "follows: pongal + 1 d"
        },
        {
          "step": "ruling",
          "text": "Mattu Pongal, Zunyi, 2021: Friday 15 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "mattu-pongal",
        "follows": {
          "festival": "pongal",
          "days": 1
        },
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        ],
        "rashi": "Makara",
        "day_from": "sunset"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2021-01-15",
          "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": "2021-01-15",
          "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 Zunyi, Mattu Pongal 2021 falls on Friday 15 January. It is kept the day after Pongal, which falls on Thursday 14 January. The Sun enters Makara at 10:45 on Thu 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/vinayaka-chaturthi?on=2021-01-16",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-01-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7179,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-01-16T10:16:09+08:00",
          "utc": "2021-01-16T02:16:09Z",
          "ms": 1610763368963.8027
        },
        "end": {
          "local": "2021-01-17T10:38:54+08:00",
          "utc": "2021-01-17T02:38:54Z",
          "ms": 1610851134158.2456
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-01-16T10:16:09+08:00",
          "utc": "2021-01-16T02:16:09Z",
          "ms": 1610763368963.8027
        },
        "end": {
          "local": "2021-01-17T10:38:54+08:00",
          "utc": "2021-01-17T02:38:54Z",
          "ms": 1610851134158.2456
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-01-16",
          "window": {
            "start": {
              "local": "2021-01-16T12:38:13+08:00",
              "utc": "2021-01-16T04:38:13Z",
              "ms": 1610771892872.8235
            },
            "end": {
              "local": "2021-01-16T13:26:13+08:00",
              "utc": "2021-01-16T05:26:13Z",
              "ms": 1610774772872.8235
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-01-17",
          "window": {
            "start": {
              "local": "2021-01-17T12:38:33+08:00",
              "utc": "2021-01-17T04:38:33Z",
              "ms": 1610858313191.977
            },
            "end": {
              "local": "2021-01-17T13:26:33+08:00",
              "utc": "2021-01-17T05:26:33Z",
              "ms": 1610861193191.977
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 10:16 on Sat 16 Jan to 10:39 on Sun 17 Jan.",
          "fact": "2021-01-16T02:16:09Z → 2021-01-17T02:38:54Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:38–13:26 on the 16th, 12:39–13:27 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 7179 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Zunyi, 2021: Saturday 16 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-01-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-01-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Vināyaka Caturthī 2021 falls on Saturday 16 January. Caturthī runs from 10:16 on Sat 16 Jan to 10:39 on Sun 17 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/vinayaka-chaturthi?on=2021-01-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/ekadashi?on=2021-01-24",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-01-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22439,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-01-23T23:26:43+08:00",
          "utc": "2021-01-23T15:26:43Z",
          "ms": 1611415603174.7422
        },
        "end": {
          "local": "2021-01-25T01:28:24+08:00",
          "utc": "2021-01-24T17:28:24Z",
          "ms": 1611509303891.7246
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-01-23T23:26:43+08:00",
          "utc": "2021-01-23T15:26:43Z",
          "ms": 1611415603174.7422
        },
        "end": {
          "local": "2021-01-25T01:28:24+08:00",
          "utc": "2021-01-24T17:28:24Z",
          "ms": 1611509303891.7246
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-01-24",
          "window": {
            "start": {
              "local": "2021-01-24T07:42:43+08:00",
              "utc": "2021-01-23T23:42:43Z",
              "ms": 1611445363490.1543
            },
            "end": {
              "local": "2021-01-24T07:42:43+08:00",
              "utc": "2021-01-23T23:42:43Z",
              "ms": 1611445363490.1543
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2021-01-25",
          "window": {
            "start": {
              "local": "2021-01-25T07:42:23+08:00",
              "utc": "2021-01-24T23:42:23Z",
              "ms": 1611531743121.3557
            },
            "end": {
              "local": "2021-01-25T07:42:23+08:00",
              "utc": "2021-01-24T23:42:23Z",
              "ms": 1611531743121.3557
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 23:27 on Sat 23 Jan to 01:28 on Mon 25 Jan.",
          "fact": "2021-01-23T15:26:43Z → 2021-01-24T17:28:24Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:43 on the 24th and 07:42 on the 25th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 24th and is not on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 22439 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Zunyi, 2021: Sunday 24 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": "2021-01-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-01-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Putradā Ekādaśī 2021 falls on Sunday 24 January. Ekādaśī runs from 23:27 on Sat 23 Jan to 01:28 on Mon 25 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-01-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/pradosha-vrata?on=2021-01-26",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-01-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24110,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-01-26T02:55:02+08:00",
          "utc": "2021-01-25T18:55:02Z",
          "ms": 1611600902422.5652
        },
        "end": {
          "local": "2021-01-27T03:41:41+08:00",
          "utc": "2021-01-26T19:41:41Z",
          "ms": 1611690100916.183
        },
        "month": {
          "amanta": 9,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-01-26T02:55:02+08:00",
          "utc": "2021-01-25T18:55:02Z",
          "ms": 1611600902422.5652
        },
        "end": {
          "local": "2021-01-27T03:41:41+08:00",
          "utc": "2021-01-26T19:41:41Z",
          "ms": 1611690100916.183
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-01-25",
          "window": {
            "start": {
              "local": "2021-01-25T18:27:14+08:00",
              "utc": "2021-01-25T10:27:14Z",
              "ms": 1611570433610.0671
            },
            "end": {
              "local": "2021-01-25T20:13:12+08:00",
              "utc": "2021-01-25T12:13:12Z",
              "ms": 1611576791961.312
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        },
        {
          "local_date": "2021-01-26",
          "window": {
            "start": {
              "local": "2021-01-26T18:28:02+08:00",
              "utc": "2021-01-26T10:28:02Z",
              "ms": 1611656882115.8887
            },
            "end": {
              "local": "2021-01-26T20:13:51+08:00",
              "utc": "2021-01-26T12:13:51Z",
              "ms": 1611663230884.0054
            }
          },
          "covered_min": 106,
          "window_min": 106,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 02:55 on Tue 26 Jan to 03:42 on Wed 27 Jan.",
          "fact": "2021-01-25T18:55:02Z → 2021-01-26T19:41:41Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:27–20:13 on the 25th, 18:28–20:14 on the 26th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 106 minutes on the 25th and 106 of 106 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 24110 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Zunyi, 2021: Tuesday 26 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-01-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-01-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Śukla Pradoṣa Vrata 2021 falls on Tuesday 26 January. Trayodaśī runs from 02:55 on Tue 26 Jan to 03:42 on Wed 27 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/pradosha-vrata?on=2021-01-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/sankashta-chaturthi?on=2021-01-31",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-01-31",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 4614,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-01-31T22:55:05+08:00",
          "utc": "2021-01-31T14:55:05Z",
          "ms": 1612104905211.1716
        },
        "end": {
          "local": "2021-02-01T20:55:18+08:00",
          "utc": "2021-02-01T12:55:18Z",
          "ms": 1612184117659.3013
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-01-31T22:55:05+08:00",
          "utc": "2021-01-31T14:55:05Z",
          "ms": 1612104905211.1716
        },
        "end": {
          "local": "2021-02-01T20:55:18+08:00",
          "utc": "2021-02-01T12:55:18Z",
          "ms": 1612184117659.3013
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2021-01-31",
          "window": {
            "start": {
              "local": "2021-01-31T21:09:36+08:00",
              "utc": "2021-01-31T13:09:36Z",
              "ms": 1612098576451.6458
            },
            "end": {
              "local": "2021-01-31T21:09:36+08:00",
              "utc": "2021-01-31T13:09:36Z",
              "ms": 1612098576451.6458
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2021-02-01",
          "window": {
            "start": {
              "local": "2021-02-01T22:12:12+08:00",
              "utc": "2021-02-01T14:12:12Z",
              "ms": 1612188731565.2258
            },
            "end": {
              "local": "2021-02-01T22:12:12+08:00",
              "utc": "2021-02-01T14:12:12Z",
              "ms": 1612188731565.2258
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 22:55 on Sun 31 Jan to 20:55 on Mon 1 Feb.",
          "fact": "2021-01-31T14:55:05Z → 2021-02-01T12:55:18Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:10 on the 31st and 22:12 on the 1st.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 31st and is not on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Neither moonrise qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 4614 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Zunyi, 2021: Sunday 31 January.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-01-31",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-01-31",
          "confidence": "boundary"
        }
      ],
      "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2021 falls on Sunday 31 January. Caturthī runs from 22:55 on Sun 31 Jan to 20:55 on Mon 1 Feb, and is current at moonrise on neither day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/sankashta-chaturthi?on=2021-01-31",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/ekadashi?on=2021-02-07",
      "festival": "ekadashi",
      "name": "Ṣaṭtilā Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-02-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1031,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-02-07T08:56:29+08:00",
          "utc": "2021-02-07T00:56:29Z",
          "ms": 1612659388656.5974
        },
        "end": {
          "local": "2021-02-08T07:17:58+08:00",
          "utc": "2021-02-07T23:17:58Z",
          "ms": 1612739878116.726
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-02-07T08:56:29+08:00",
          "utc": "2021-02-07T00:56:29Z",
          "ms": 1612659388656.5974
        },
        "end": {
          "local": "2021-02-08T07:17:58+08:00",
          "utc": "2021-02-07T23:17:58Z",
          "ms": 1612739878116.726
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-02-07",
          "window": {
            "start": {
              "local": "2021-02-07T07:35:48+08:00",
              "utc": "2021-02-06T23:35:48Z",
              "ms": 1612654548414.2336
            },
            "end": {
              "local": "2021-02-07T07:35:48+08:00",
              "utc": "2021-02-06T23:35:48Z",
              "ms": 1612654548414.2336
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2021-02-08",
          "window": {
            "start": {
              "local": "2021-02-08T07:35:09+08:00",
              "utc": "2021-02-07T23:35:09Z",
              "ms": 1612740908820.5034
            },
            "end": {
              "local": "2021-02-08T07:35:09+08:00",
              "utc": "2021-02-07T23:35:09Z",
              "ms": 1612740908820.5034
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 08:56 on Sun 7 Feb to 07:18 on Mon 8 Feb.",
          "fact": "2021-02-07T00:56:29Z → 2021-02-07T23:17:58Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:36 on the 7th and 07:35 on the 8th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 7th and is not on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Neither sunrise qualifies. The day the tithi falls on is taken.",
          "fact": "priority: paraviddha → tithi-day · margin 1031 s"
        },
        {
          "step": "ruling",
          "text": "Ṣaṭtilā Ekādaśī, Zunyi, 2021: Sunday 7 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": "2021-02-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-02-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Ṣaṭtilā Ekādaśī 2021 falls on Sunday 7 February. Ekādaśī runs from 08:56 on Sun 7 Feb to 07:18 on Mon 8 Feb, and is current at sunrise on neither day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-02-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/pradosha-vrata?on=2021-02-09",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-02-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29610,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-02-09T05:50:03+08:00",
          "utc": "2021-02-08T21:50:03Z",
          "ms": 1612821002630.1116
        },
        "end": {
          "local": "2021-02-10T04:35:47+08:00",
          "utc": "2021-02-09T20:35:47Z",
          "ms": 1612902947162.8638
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-02-09T05:50:03+08:00",
          "utc": "2021-02-08T21:50:03Z",
          "ms": 1612821002630.1116
        },
        "end": {
          "local": "2021-02-10T04:35:47+08:00",
          "utc": "2021-02-09T20:35:47Z",
          "ms": 1612902947162.8638
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-02-08",
          "window": {
            "start": {
              "local": "2021-02-08T18:38:13+08:00",
              "utc": "2021-02-08T10:38:13Z",
              "ms": 1612780693405.9058
            },
            "end": {
              "local": "2021-02-08T20:21:43+08:00",
              "utc": "2021-02-08T12:21:43Z",
              "ms": 1612786903354.1465
            }
          },
          "covered_min": 0,
          "window_min": 103,
          "qualifies": false
        },
        {
          "local_date": "2021-02-09",
          "window": {
            "start": {
              "local": "2021-02-09T18:38:58+08:00",
              "utc": "2021-02-09T10:38:58Z",
              "ms": 1612867138411.0356
            },
            "end": {
              "local": "2021-02-09T20:22:17+08:00",
              "utc": "2021-02-09T12:22:17Z",
              "ms": 1612873336759.8096
            }
          },
          "covered_min": 103,
          "window_min": 103,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 05:50 on Tue 9 Feb to 04:36 on Wed 10 Feb.",
          "fact": "2021-02-08T21:50:03Z → 2021-02-09T20:35:47Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:38–20:22 on the 8th, 18:39–20:22 on the 9th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 103 minutes on the 8th and 103 of 103 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 29610 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2021: Tuesday 9 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": "2021-02-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-02-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2021 falls on Tuesday 9 February. Trayodaśī runs from 05:50 on Tue 9 Feb to 04:36 on Wed 10 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/pradosha-vrata?on=2021-02-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/yama-tarpana",
      "festival": "yama-tarpana",
      "name": "Yama Tarpaṇa",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-02-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4481,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2021-02-10T04:35:47+08:00",
          "utc": "2021-02-09T20:35:47Z",
          "ms": 1612902947162.8638
        },
        "end": {
          "local": "2021-02-11T03:39:20+08:00",
          "utc": "2021-02-10T19:39:20Z",
          "ms": 1612985960485.3674
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-02-10T04:35:47+08:00",
          "utc": "2021-02-09T20:35:47Z",
          "ms": 1612902947162.8638
        },
        "end": {
          "local": "2021-02-11T03:39:20+08:00",
          "utc": "2021-02-10T19:39:20Z",
          "ms": 1612985960485.3674
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2021-02-10",
          "window": {
            "start": {
              "local": "2021-02-10T05:50:28+08:00",
              "utc": "2021-02-09T21:50:28Z",
              "ms": 1612907427678.066
            },
            "end": {
              "local": "2021-02-10T07:33:46+08:00",
              "utc": "2021-02-09T23:33:46Z",
              "ms": 1612913626026.8398
            }
          },
          "covered_min": 103,
          "window_min": 103,
          "qualifies": true
        },
        {
          "local_date": "2021-02-11",
          "window": {
            "start": {
              "local": "2021-02-11T05:49:56+08:00",
              "utc": "2021-02-10T21:49:56Z",
              "ms": 1612993796227.0337
            },
            "end": {
              "local": "2021-02-11T07:33:03+08:00",
              "utc": "2021-02-10T23:33:03Z",
              "ms": 1612999982868.8647
            }
          },
          "covered_min": 0,
          "window_min": 103,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 04:36 on Wed 10 Feb to 03:39 on Thu 11 Feb.",
          "fact": "2021-02-09T20:35:47Z → 2021-02-10T19:39:20Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:50–07:34 on the 10th, 05:50–07:33 on the 11th.",
          "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 103 of 103 minutes on the 10th and 0 of 103 on the 11th.",
          "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 4481 s"
        },
        {
          "step": "ruling",
          "text": "Yama Tarpaṇa, Zunyi, 2021: Wednesday 10 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "yama-tarpana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)"
          }
        ],
        "kaala": "arunodaya",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-02-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-02-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Yama Tarpaṇa 2021 falls on Wednesday 10 February. Caturdaśī runs from 04:36 on Wed 10 Feb to 03:39 on Thu 11 Feb and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/shivaratri?on=2021-02-10",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-02-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7738,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2021-02-10T04:35:47+08:00",
          "utc": "2021-02-09T20:35:47Z",
          "ms": 1612902947162.8638
        },
        "end": {
          "local": "2021-02-11T03:39:20+08:00",
          "utc": "2021-02-10T19:39:20Z",
          "ms": 1612985960485.3674
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-02-10T04:35:47+08:00",
          "utc": "2021-02-09T20:35:47Z",
          "ms": 1612902947162.8638
        },
        "end": {
          "local": "2021-02-11T03:39:20+08:00",
          "utc": "2021-02-10T19:39:20Z",
          "ms": 1612985960485.3674
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2021-02-09",
          "window": {
            "start": {
              "local": "2021-02-10T00:42:22+08:00",
              "utc": "2021-02-09T16:42:22Z",
              "ms": 1612888942218.9377
            },
            "end": {
              "local": "2021-02-10T01:30:22+08:00",
              "utc": "2021-02-09T17:30:22Z",
              "ms": 1612891822218.9377
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-02-10",
          "window": {
            "start": {
              "local": "2021-02-11T00:42:23+08:00",
              "utc": "2021-02-10T16:42:23Z",
              "ms": 1612975342961.9985
            },
            "end": {
              "local": "2021-02-11T01:30:23+08:00",
              "utc": "2021-02-10T17:30:23Z",
              "ms": 1612978222961.9985
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 04:36 on Wed 10 Feb to 03:39 on Thu 11 Feb.",
          "fact": "2021-02-09T20:35:47Z → 2021-02-10T19:39:20Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:42–01:30 on the 9th, 00:42–01:30 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 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 7738 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Zunyi, 2021: Wednesday 10 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-02-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-02-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Śivarātri 2021 falls on Wednesday 10 February. Caturdaśī runs from 04:36 on Wed 10 Feb to 03:39 on Thu 11 Feb and covers all of niśītha that night.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/shivaratri?on=2021-02-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/ganesha-jayanti",
      "festival": "ganesha-jayanti",
      "name": "Gaṇeśa Jayantī",
      "everyday": "Maghi Ganesh Jayanti",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-02-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23710,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-02-15T04:29:28+08:00",
          "utc": "2021-02-14T20:29:28Z",
          "ms": 1613334568196.6409
        },
        "end": {
          "local": "2021-02-16T06:07:26+08:00",
          "utc": "2021-02-15T22:07:26Z",
          "ms": 1613426846307.8308
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-02-15T04:29:28+08:00",
          "utc": "2021-02-14T20:29:28Z",
          "ms": 1613334568196.6409
        },
        "end": {
          "local": "2021-02-16T06:07:26+08:00",
          "utc": "2021-02-15T22:07:26Z",
          "ms": 1613426846307.8308
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-02-15",
          "window": {
            "start": {
              "local": "2021-02-15T12:42:40+08:00",
              "utc": "2021-02-15T04:42:40Z",
              "ms": 1613364159720.8774
            },
            "end": {
              "local": "2021-02-15T13:30:40+08:00",
              "utc": "2021-02-15T05:30:40Z",
              "ms": 1613367039720.8774
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-02-16",
          "window": {
            "start": {
              "local": "2021-02-16T12:42:37+08:00",
              "utc": "2021-02-16T04:42:37Z",
              "ms": 1613450556514.046
            },
            "end": {
              "local": "2021-02-16T13:30:37+08:00",
              "utc": "2021-02-16T05:30:37Z",
              "ms": 1613453436514.046
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 04:29 on Mon 15 Feb to 06:07 on Tue 16 Feb.",
          "fact": "2021-02-14T20:29:28Z → 2021-02-15T22:07:26Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 15th, 12:43–13:31 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 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. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 23710 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Jayantī, Zunyi, 2021: Monday 15 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ganesha-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-02-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-02-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2021 falls on Monday 15 February. Caturthī runs from 04:29 on Mon 15 Feb to 06:07 on Tue 16 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/tila-chaturthi",
      "festival": "tila-chaturthi",
      "name": "Tila Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-02-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29072,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-02-15T04:29:28+08:00",
          "utc": "2021-02-14T20:29:28Z",
          "ms": 1613334568196.6409
        },
        "end": {
          "local": "2021-02-16T06:07:26+08:00",
          "utc": "2021-02-15T22:07:26Z",
          "ms": 1613426846307.8308
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-02-15T04:29:28+08:00",
          "utc": "2021-02-14T20:29:28Z",
          "ms": 1613334568196.6409
        },
        "end": {
          "local": "2021-02-16T06:07:26+08:00",
          "utc": "2021-02-15T22:07:26Z",
          "ms": 1613426846307.8308
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-02-14",
          "window": {
            "start": {
              "local": "2021-02-14T18:42:38+08:00",
              "utc": "2021-02-14T10:42:38Z",
              "ms": 1613299357774.8564
            },
            "end": {
              "local": "2021-02-14T20:24:57+08:00",
              "utc": "2021-02-14T12:24:57Z",
              "ms": 1613305496604.8713
            }
          },
          "covered_min": 0,
          "window_min": 102,
          "qualifies": false
        },
        {
          "local_date": "2021-02-15",
          "window": {
            "start": {
              "local": "2021-02-15T18:43:20+08:00",
              "utc": "2021-02-15T10:43:20Z",
              "ms": 1613385800441.7861
            },
            "end": {
              "local": "2021-02-15T20:25:27+08:00",
              "utc": "2021-02-15T12:25:27Z",
              "ms": 1613391927094.6829
            }
          },
          "covered_min": 102,
          "window_min": 102,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 04:29 on Mon 15 Feb to 06:07 on Tue 16 Feb.",
          "fact": "2021-02-14T20:29:28Z → 2021-02-15T22:07:26Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:43–20:25 on the 14th, 18:43–20:25 on the 15th.",
          "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 102 minutes on the 14th and 102 of 102 on the 15th.",
          "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 29072 s"
        },
        {
          "step": "ruling",
          "text": "Tila Caturthī, Zunyi, 2021: Monday 15 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "tila-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-02-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-02-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Tila Caturthī 2021 falls on Monday 15 February. Caturthī runs from 04:29 on Mon 15 Feb to 06:07 on Tue 16 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/shri-panchami",
      "festival": "shri-panchami",
      "name": "Śrī Pañcamī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-02-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15953,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2021-02-16T06:07:26+08:00",
          "utc": "2021-02-15T22:07:26Z",
          "ms": 1613426846307.8308
        },
        "end": {
          "local": "2021-02-17T08:16:39+08:00",
          "utc": "2021-02-17T00:16:39Z",
          "ms": 1613520999389.2002
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-02-16T06:07:26+08:00",
          "utc": "2021-02-15T22:07:26Z",
          "ms": 1613426846307.8308
        },
        "end": {
          "local": "2021-02-17T08:16:39+08:00",
          "utc": "2021-02-17T00:16:39Z",
          "ms": 1613520999389.2002
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-02-16",
          "window": {
            "start": {
              "local": "2021-02-16T12:42:37+08:00",
              "utc": "2021-02-16T04:42:37Z",
              "ms": 1613450556514.046
            },
            "end": {
              "local": "2021-02-16T13:30:37+08:00",
              "utc": "2021-02-16T05:30:37Z",
              "ms": 1613453436514.046
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-02-17",
          "window": {
            "start": {
              "local": "2021-02-17T12:42:33+08:00",
              "utc": "2021-02-17T04:42:33Z",
              "ms": 1613536952581.252
            },
            "end": {
              "local": "2021-02-17T13:30:33+08:00",
              "utc": "2021-02-17T05:30:33Z",
              "ms": 1613539832581.252
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 06:07 on Tue 16 Feb to 08:17 on Wed 17 Feb.",
          "fact": "2021-02-15T22:07:26Z → 2021-02-17T00:16:39Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 16th, 12:43–13:31 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. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 15953 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Pañcamī, Zunyi, 2021: Tuesday 16 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shri-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-02-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-02-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Śrī Pañcamī 2021 falls on Tuesday 16 February. Pañcamī runs from 06:07 on Tue 16 Feb to 08:17 on Wed 17 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/vasanta-panchami",
      "festival": "vasanta-panchami",
      "name": "Vasanta Pañcamī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-02-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15953,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2021-02-16T06:07:26+08:00",
          "utc": "2021-02-15T22:07:26Z",
          "ms": 1613426846307.8308
        },
        "end": {
          "local": "2021-02-17T08:16:39+08:00",
          "utc": "2021-02-17T00:16:39Z",
          "ms": 1613520999389.2002
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-02-16T06:07:26+08:00",
          "utc": "2021-02-15T22:07:26Z",
          "ms": 1613426846307.8308
        },
        "end": {
          "local": "2021-02-17T08:16:39+08:00",
          "utc": "2021-02-17T00:16:39Z",
          "ms": 1613520999389.2002
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-02-16",
          "window": {
            "start": {
              "local": "2021-02-16T12:42:37+08:00",
              "utc": "2021-02-16T04:42:37Z",
              "ms": 1613450556514.046
            },
            "end": {
              "local": "2021-02-16T13:30:37+08:00",
              "utc": "2021-02-16T05:30:37Z",
              "ms": 1613453436514.046
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-02-17",
          "window": {
            "start": {
              "local": "2021-02-17T12:42:33+08:00",
              "utc": "2021-02-17T04:42:33Z",
              "ms": 1613536952581.252
            },
            "end": {
              "local": "2021-02-17T13:30:33+08:00",
              "utc": "2021-02-17T05:30:33Z",
              "ms": 1613539832581.252
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 06:07 on Tue 16 Feb to 08:17 on Wed 17 Feb.",
          "fact": "2021-02-15T22:07:26Z → 2021-02-17T00:16:39Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:43–13:31 on the 16th, 12:43–13:31 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. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 15953 s"
        },
        {
          "step": "ruling",
          "text": "Vasanta Pañcamī, Zunyi, 2021: Tuesday 16 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vasanta-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-02-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-02-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Vasanta Pañcamī 2021 falls on Tuesday 16 February. Pañcamī runs from 06:07 on Tue 16 Feb to 08:17 on Wed 17 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/ratha-saptami",
      "festival": "ratha-saptami",
      "name": "Ratha Saptamī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-02-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12040,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2021-02-18T10:48:10+08:00",
          "utc": "2021-02-18T02:48:10Z",
          "ms": 1613616489770.1013
        },
        "end": {
          "local": "2021-02-19T13:28:40+08:00",
          "utc": "2021-02-19T05:28:40Z",
          "ms": 1613712519849.6777
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-02-18T10:48:10+08:00",
          "utc": "2021-02-18T02:48:10Z",
          "ms": 1613616489770.1013
        },
        "end": {
          "local": "2021-02-19T13:28:40+08:00",
          "utc": "2021-02-19T05:28:40Z",
          "ms": 1613712519849.6777
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2021-02-18",
          "window": {
            "start": {
              "local": "2021-02-18T05:45:48+08:00",
              "utc": "2021-02-17T21:45:48Z",
              "ms": 1613598347896.9363
            },
            "end": {
              "local": "2021-02-18T07:27:30+08:00",
              "utc": "2021-02-17T23:27:30Z",
              "ms": 1613604449955.8433
            }
          },
          "covered_min": 0,
          "window_min": 102,
          "qualifies": false
        },
        {
          "local_date": "2021-02-19",
          "window": {
            "start": {
              "local": "2021-02-19T05:45:09+08:00",
              "utc": "2021-02-18T21:45:09Z",
              "ms": 1613684708637.4062
            },
            "end": {
              "local": "2021-02-19T07:26:38+08:00",
              "utc": "2021-02-18T23:26:38Z",
              "ms": 1613690798287.3965
            }
          },
          "covered_min": 101,
          "window_min": 101,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 10:48 on Thu 18 Feb to 13:29 on Fri 19 Feb.",
          "fact": "2021-02-18T02:48:10Z → 2021-02-19T05:28:40Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:46–07:27 on the 18th, 05:45–07:27 on the 19th.",
          "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 102 minutes on the 18th and 101 of 101 on the 19th.",
          "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 12040 s"
        },
        {
          "step": "ruling",
          "text": "Ratha Saptamī, Zunyi, 2021: Friday 19 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ratha-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]."
          }
        ],
        "kaala": "arunodaya",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-02-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-02-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Ratha Saptamī 2021 falls on Friday 19 February. Saptamī runs from 10:48 on Thu 18 Feb to 13:29 on Fri 19 Feb and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/ekadashi?on=2021-02-23",
      "festival": "ekadashi",
      "name": "Jayā Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-02-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 38778,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-02-22T19:46:51+08:00",
          "utc": "2021-02-22T11:46:51Z",
          "ms": 1613994410992.6501
        },
        "end": {
          "local": "2021-02-23T20:35:48+08:00",
          "utc": "2021-02-23T12:35:48Z",
          "ms": 1614083748326.9639
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-02-22T19:46:51+08:00",
          "utc": "2021-02-22T11:46:51Z",
          "ms": 1613994410992.6501
        },
        "end": {
          "local": "2021-02-23T20:35:48+08:00",
          "utc": "2021-02-23T12:35:48Z",
          "ms": 1614083748326.9639
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-02-23",
          "window": {
            "start": {
              "local": "2021-02-23T07:23:02+08:00",
              "utc": "2021-02-22T23:23:02Z",
              "ms": 1614036182411.7783
            },
            "end": {
              "local": "2021-02-23T07:23:02+08:00",
              "utc": "2021-02-22T23:23:02Z",
              "ms": 1614036182411.7783
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2021-02-24",
          "window": {
            "start": {
              "local": "2021-02-24T07:22:06+08:00",
              "utc": "2021-02-23T23:22:06Z",
              "ms": 1614122526286.5815
            },
            "end": {
              "local": "2021-02-24T07:22:06+08:00",
              "utc": "2021-02-23T23:22:06Z",
              "ms": 1614122526286.5815
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 19:47 on Mon 22 Feb to 20:36 on Tue 23 Feb.",
          "fact": "2021-02-22T11:46:51Z → 2021-02-23T12:35:48Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:23 on the 23rd and 07:22 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 38778 s"
        },
        {
          "step": "ruling",
          "text": "Jayā Ekādaśī, Zunyi, 2021: Tuesday 23 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": "2021-02-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-02-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Jayā Ekādaśī 2021 falls on Tuesday 23 February. Ekādaśī runs from 19:47 on Mon 22 Feb to 20:36 on Tue 23 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-02-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/bhishma-dvadashi",
      "festival": "bhishma-dvadashi",
      "name": "Bhīṣma Dvādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-02-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25554,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2021-02-23T20:35:48+08:00",
          "utc": "2021-02-23T12:35:48Z",
          "ms": 1614083748326.9639
        },
        "end": {
          "local": "2021-02-24T20:36:07+08:00",
          "utc": "2021-02-24T12:36:07Z",
          "ms": 1614170166930.74
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-02-23T20:35:48+08:00",
          "utc": "2021-02-23T12:35:48Z",
          "ms": 1614083748326.9639
        },
        "end": {
          "local": "2021-02-24T20:36:07+08:00",
          "utc": "2021-02-24T12:36:07Z",
          "ms": 1614170166930.74
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-02-23",
          "window": {
            "start": {
              "local": "2021-02-23T12:41:54+08:00",
              "utc": "2021-02-23T04:41:54Z",
              "ms": 1614055314464.8281
            },
            "end": {
              "local": "2021-02-23T13:29:54+08:00",
              "utc": "2021-02-23T05:29:54Z",
              "ms": 1614058194464.8281
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-02-24",
          "window": {
            "start": {
              "local": "2021-02-24T12:41:46+08:00",
              "utc": "2021-02-24T04:41:46Z",
              "ms": 1614141705834.2825
            },
            "end": {
              "local": "2021-02-24T13:29:46+08:00",
              "utc": "2021-02-24T05:29:46Z",
              "ms": 1614144585834.2825
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 20:36 on Tue 23 Feb to 20:36 on Wed 24 Feb.",
          "fact": "2021-02-23T12:35:48Z → 2021-02-24T12:36:07Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:42–13:30 on the 23rd, 12:42–13:30 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. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 25554 s"
        },
        {
          "step": "ruling",
          "text": "Bhīṣma Dvādaśī, Zunyi, 2021: Wednesday 24 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bhishma-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-02-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-02-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Bhīṣma Dvādaśī 2021 falls on Wednesday 24 February. Dvādaśī runs from 20:36 on Tue 23 Feb to 20:36 on Wed 24 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/pradosha-vrata?on=2021-02-25",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-02-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 388,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-02-24T20:36:07+08:00",
          "utc": "2021-02-24T12:36:07Z",
          "ms": 1614170166930.74
        },
        "end": {
          "local": "2021-02-25T19:49:13+08:00",
          "utc": "2021-02-25T11:49:13Z",
          "ms": 1614253752682.9663
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-02-24T20:36:07+08:00",
          "utc": "2021-02-24T12:36:07Z",
          "ms": 1614170166930.74
        },
        "end": {
          "local": "2021-02-25T19:49:13+08:00",
          "utc": "2021-02-25T11:49:13Z",
          "ms": 1614253752682.9663
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-02-24",
          "window": {
            "start": {
              "local": "2021-02-24T18:49:25+08:00",
              "utc": "2021-02-24T10:49:25Z",
              "ms": 1614163765381.9834
            },
            "end": {
              "local": "2021-02-24T20:29:39+08:00",
              "utc": "2021-02-24T12:29:39Z",
              "ms": 1614169779245.5256
            }
          },
          "covered_min": 0,
          "window_min": 100,
          "qualifies": false
        },
        {
          "local_date": "2021-02-25",
          "window": {
            "start": {
              "local": "2021-02-25T18:50:04+08:00",
              "utc": "2021-02-25T10:50:04Z",
              "ms": 1614250203840.8684
            },
            "end": {
              "local": "2021-02-25T20:30:05+08:00",
              "utc": "2021-02-25T12:30:05Z",
              "ms": 1614256204883.217
            }
          },
          "covered_min": 59,
          "window_min": 100,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 20:36 on Wed 24 Feb to 19:49 on Thu 25 Feb.",
          "fact": "2021-02-24T12:36:07Z → 2021-02-25T11:49:13Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:49–20:30 on the 24th, 18:50–20:30 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 100 minutes on the 24th and 59 of 100 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 388 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Zunyi, 2021: Thursday 25 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-02-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-02-25",
          "confidence": "boundary"
        }
      ],
      "quote": "In Zunyi, Śukla Pradoṣa Vrata 2021 falls on Thursday 25 February. Trayodaśī runs from 20:36 on Wed 24 Feb to 19:49 on Thu 25 Feb and covers 59 of 100 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/pradosha-vrata?on=2021-02-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/maghi-purnima",
      "festival": "maghi-purnima",
      "name": "Māghī Pūrṇimā",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-02-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10084,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2021-02-26T18:20:21+08:00",
          "utc": "2021-02-26T10:20:21Z",
          "ms": 1614334820937.2131
        },
        "end": {
          "local": "2021-02-27T16:17:20+08:00",
          "utc": "2021-02-27T08:17:20Z",
          "ms": 1614413840208.311
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-02-26T18:20:21+08:00",
          "utc": "2021-02-26T10:20:21Z",
          "ms": 1614334820937.2131
        },
        "end": {
          "local": "2021-02-27T16:17:20+08:00",
          "utc": "2021-02-27T08:17:20Z",
          "ms": 1614413840208.311
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-02-26",
          "window": {
            "start": {
              "local": "2021-02-26T12:41:27+08:00",
              "utc": "2021-02-26T04:41:27Z",
              "ms": 1614314486781.1086
            },
            "end": {
              "local": "2021-02-26T13:29:27+08:00",
              "utc": "2021-02-26T05:29:27Z",
              "ms": 1614317366781.1086
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-02-27",
          "window": {
            "start": {
              "local": "2021-02-27T12:41:16+08:00",
              "utc": "2021-02-27T04:41:16Z",
              "ms": 1614400876399.5444
            },
            "end": {
              "local": "2021-02-27T13:29:16+08:00",
              "utc": "2021-02-27T05:29:16Z",
              "ms": 1614403756399.5444
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 18:20 on Fri 26 Feb to 16:17 on Sat 27 Feb.",
          "fact": "2021-02-26T10:20:21Z → 2021-02-27T08:17:20Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:41–13:29 on the 26th, 12:41–13:29 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. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 10084 s"
        },
        {
          "step": "ruling",
          "text": "Māghī Pūrṇimā, Zunyi, 2021: Saturday 27 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "maghi-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Maghi purnima (paraviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-02-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-02-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Māghī Pūrṇimā 2021 falls on Saturday 27 February. Pūrṇimā runs from 18:20 on Fri 26 Feb to 16:17 on Sat 27 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/sankashta-chaturthi?on=2021-03-02",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-03-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26491,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-03-02T08:16:42+08:00",
          "utc": "2021-03-02T00:16:42Z",
          "ms": 1614644201722.4768
        },
        "end": {
          "local": "2021-03-03T05:29:41+08:00",
          "utc": "2021-03-02T21:29:41Z",
          "ms": 1614720581360.062
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-03-02T08:16:42+08:00",
          "utc": "2021-03-02T00:16:42Z",
          "ms": 1614644201722.4768
        },
        "end": {
          "local": "2021-03-03T05:29:41+08:00",
          "utc": "2021-03-02T21:29:41Z",
          "ms": 1614720581360.062
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2021-03-01",
          "window": {
            "start": {
              "local": "2021-03-01T21:03:22+08:00",
              "utc": "2021-03-01T13:03:22Z",
              "ms": 1614603802141.769
            },
            "end": {
              "local": "2021-03-01T21:03:22+08:00",
              "utc": "2021-03-01T13:03:22Z",
              "ms": 1614603802141.769
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2021-03-02",
          "window": {
            "start": {
              "local": "2021-03-02T22:08:10+08:00",
              "utc": "2021-03-02T14:08:10Z",
              "ms": 1614694090424.741
            },
            "end": {
              "local": "2021-03-02T22:08:10+08:00",
              "utc": "2021-03-02T14:08:10Z",
              "ms": 1614694090424.741
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 08:17 on Tue 2 Mar to 05:30 on Wed 3 Mar.",
          "fact": "2021-03-02T00:16:42Z → 2021-03-02T21:29:41Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:03 on the 1st and 22:08 on the 2nd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 1st and is on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 26491 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Zunyi, 2021: Tuesday 2 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": "2021-03-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-03-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2021 falls on Tuesday 2 March. Caturthī runs from 08:17 on Tue 2 Mar to 05:30 on Wed 3 Mar and is current at moonrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/sankashta-chaturthi?on=2021-03-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/ekadashi?on=2021-03-09",
      "festival": "ekadashi",
      "name": "Vijayā Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-03-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37423,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-03-08T18:14:55+08:00",
          "utc": "2021-03-08T10:14:55Z",
          "ms": 1615198495219.018
        },
        "end": {
          "local": "2021-03-09T17:32:37+08:00",
          "utc": "2021-03-09T09:32:37Z",
          "ms": 1615282357437.8435
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-03-08T18:14:55+08:00",
          "utc": "2021-03-08T10:14:55Z",
          "ms": 1615198495219.018
        },
        "end": {
          "local": "2021-03-09T17:32:37+08:00",
          "utc": "2021-03-09T09:32:37Z",
          "ms": 1615282357437.8435
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-03-08",
          "window": {
            "start": {
              "local": "2021-03-08T07:09:59+08:00",
              "utc": "2021-03-07T23:09:59Z",
              "ms": 1615158599043.5107
            },
            "end": {
              "local": "2021-03-08T07:09:59+08:00",
              "utc": "2021-03-07T23:09:59Z",
              "ms": 1615158599043.5107
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2021-03-09",
          "window": {
            "start": {
              "local": "2021-03-09T07:08:55+08:00",
              "utc": "2021-03-08T23:08:55Z",
              "ms": 1615244934878.3425
            },
            "end": {
              "local": "2021-03-09T07:08:55+08:00",
              "utc": "2021-03-08T23:08:55Z",
              "ms": 1615244934878.3425
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 18:15 on Mon 8 Mar to 17:33 on Tue 9 Mar.",
          "fact": "2021-03-08T10:14:55Z → 2021-03-09T09:32:37Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:10 on the 8th and 07:09 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 37423 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Ekādaśī, Zunyi, 2021: Tuesday 9 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": "2021-03-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-03-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Vijayā Ekādaśī 2021 falls on Tuesday 9 March. Ekādaśī runs from 18:15 on Mon 8 Mar to 17:33 on Tue 9 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-03-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/pradosha-vrata?on=2021-03-10",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-03-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6426,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-03-10T17:10:46+08:00",
          "utc": "2021-03-10T09:10:46Z",
          "ms": 1615367445983.612
        },
        "end": {
          "local": "2021-03-11T17:10:18+08:00",
          "utc": "2021-03-11T09:10:18Z",
          "ms": 1615453818361.3538
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-03-10T17:10:46+08:00",
          "utc": "2021-03-10T09:10:46Z",
          "ms": 1615367445983.612
        },
        "end": {
          "local": "2021-03-11T17:10:18+08:00",
          "utc": "2021-03-11T09:10:18Z",
          "ms": 1615453818361.3538
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-03-10",
          "window": {
            "start": {
              "local": "2021-03-10T18:57:52+08:00",
              "utc": "2021-03-10T10:57:52Z",
              "ms": 1615373872268.6045
            },
            "end": {
              "local": "2021-03-10T20:35:03+08:00",
              "utc": "2021-03-10T12:35:03Z",
              "ms": 1615379703342.4775
            }
          },
          "covered_min": 97,
          "window_min": 97,
          "qualifies": true
        },
        {
          "local_date": "2021-03-11",
          "window": {
            "start": {
              "local": "2021-03-11T18:58:26+08:00",
              "utc": "2021-03-11T10:58:26Z",
              "ms": 1615460306271.9258
            },
            "end": {
              "local": "2021-03-11T20:35:24+08:00",
              "utc": "2021-03-11T12:35:24Z",
              "ms": 1615466124100.0823
            }
          },
          "covered_min": 0,
          "window_min": 97,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 17:11 on Wed 10 Mar to 17:10 on Thu 11 Mar.",
          "fact": "2021-03-10T09:10:46Z → 2021-03-11T09:10:18Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:35 on the 10th, 18:58–20:35 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 97 of 97 minutes on the 10th and 0 of 97 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 6426 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2021: Wednesday 10 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": "2021-03-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-03-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2021 falls on Wednesday 10 March. Trayodaśī runs from 17:11 on Wed 10 Mar to 17:10 on Thu 11 Mar and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/pradosha-vrata?on=2021-03-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/maha-shivaratri",
      "festival": "maha-shivaratri",
      "name": "Mahāśivarātri",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-03-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25485,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2021-03-11T17:10:18+08:00",
          "utc": "2021-03-11T09:10:18Z",
          "ms": 1615453818361.3538
        },
        "end": {
          "local": "2021-03-12T17:33:02+08:00",
          "utc": "2021-03-12T09:33:02Z",
          "ms": 1615541581713.707
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-03-11T17:10:18+08:00",
          "utc": "2021-03-11T09:10:18Z",
          "ms": 1615453818361.3538
        },
        "end": {
          "local": "2021-03-12T17:33:02+08:00",
          "utc": "2021-03-12T09:33:02Z",
          "ms": 1615541581713.707
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2021-03-11",
          "window": {
            "start": {
              "local": "2021-03-12T00:38:03+08:00",
              "utc": "2021-03-11T16:38:03Z",
              "ms": 1615480683127.5122
            },
            "end": {
              "local": "2021-03-12T01:26:03+08:00",
              "utc": "2021-03-11T17:26:03Z",
              "ms": 1615483563127.5122
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-03-12",
          "window": {
            "start": {
              "local": "2021-03-13T00:37:47+08:00",
              "utc": "2021-03-12T16:37:47Z",
              "ms": 1615567067166.4082
            },
            "end": {
              "local": "2021-03-13T01:25:47+08:00",
              "utc": "2021-03-12T17:25:47Z",
              "ms": 1615569947166.4082
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 17:10 on Thu 11 Mar to 17:33 on Fri 12 Mar.",
          "fact": "2021-03-11T09:10:18Z → 2021-03-12T09:33:02Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:38–01:26 on the 11th, 00:38–01:26 on the 12th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: disputed → only-day · margin 25485 s"
        },
        {
          "step": "ruling",
          "text": "Mahāśivarātri, Zunyi, 2021: Thursday 11 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "maha-shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day"
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "disputed",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-03-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-03-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Mahāśivarātri 2021 falls on Thursday 11 March. Caturdaśī runs from 17:10 on Thu 11 Mar to 17:33 on Fri 12 Mar and covers all of niśītha that night.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/vinayaka-chaturthi?on=2021-03-17",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-03-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36245,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-03-16T23:29:19+08:00",
          "utc": "2021-03-16T15:29:19Z",
          "ms": 1615908558888.4907
        },
        "end": {
          "local": "2021-03-18T01:59:08+08:00",
          "utc": "2021-03-17T17:59:08Z",
          "ms": 1616003947624.6426
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-03-16T23:29:19+08:00",
          "utc": "2021-03-16T15:29:19Z",
          "ms": 1615908558888.4907
        },
        "end": {
          "local": "2021-03-18T01:59:08+08:00",
          "utc": "2021-03-17T17:59:08Z",
          "ms": 1616003947624.6426
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-03-16",
          "window": {
            "start": {
              "local": "2021-03-16T12:37:14+08:00",
              "utc": "2021-03-16T04:37:14Z",
              "ms": 1615869434124.1128
            },
            "end": {
              "local": "2021-03-16T13:25:14+08:00",
              "utc": "2021-03-16T05:25:14Z",
              "ms": 1615872314124.1128
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-03-17",
          "window": {
            "start": {
              "local": "2021-03-17T12:36:57+08:00",
              "utc": "2021-03-17T04:36:57Z",
              "ms": 1615955817059.9292
            },
            "end": {
              "local": "2021-03-17T13:24:57+08:00",
              "utc": "2021-03-17T05:24:57Z",
              "ms": 1615958697059.9292
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:29 on Tue 16 Mar to 01:59 on Thu 18 Mar.",
          "fact": "2021-03-16T15:29:19Z → 2021-03-17T17:59:08Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:37–13:25 on the 16th, 12:37–13:25 on the 17th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 36245 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Zunyi, 2021: Wednesday 17 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": "2021-03-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-03-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Vināyaka Caturthī 2021 falls on Wednesday 17 March. Caturthī runs from 23:29 on Tue 16 Mar to 01:59 on Thu 18 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/vinayaka-chaturthi?on=2021-03-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/ekadashi?on=2021-03-25",
      "festival": "ekadashi",
      "name": "Āmalakī Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-03-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19597,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-03-24T12:53:57+08:00",
          "utc": "2021-03-24T04:53:57Z",
          "ms": 1616561637251.0322
        },
        "end": {
          "local": "2021-03-25T12:17:46+08:00",
          "utc": "2021-03-25T04:17:46Z",
          "ms": 1616645865609.6477
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-03-24T12:53:57+08:00",
          "utc": "2021-03-24T04:53:57Z",
          "ms": 1616561637251.0322
        },
        "end": {
          "local": "2021-03-25T12:17:46+08:00",
          "utc": "2021-03-25T04:17:46Z",
          "ms": 1616645865609.6477
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-03-24",
          "window": {
            "start": {
              "local": "2021-03-24T06:52:17+08:00",
              "utc": "2021-03-23T22:52:17Z",
              "ms": 1616539936694.4
            },
            "end": {
              "local": "2021-03-24T06:52:17+08:00",
              "utc": "2021-03-23T22:52:17Z",
              "ms": 1616539936694.4
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2021-03-25",
          "window": {
            "start": {
              "local": "2021-03-25T06:51:09+08:00",
              "utc": "2021-03-24T22:51:09Z",
              "ms": 1616626268961.5754
            },
            "end": {
              "local": "2021-03-25T06:51:09+08:00",
              "utc": "2021-03-24T22:51:09Z",
              "ms": 1616626268961.5754
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 12:54 on Wed 24 Mar to 12:18 on Thu 25 Mar.",
          "fact": "2021-03-24T04:53:57Z → 2021-03-25T04:17:46Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:52 on the 24th and 06:51 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 19597 s"
        },
        {
          "step": "ruling",
          "text": "Āmalakī Ekādaśī, Zunyi, 2021: Thursday 25 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-03-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-03-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Āmalakī Ekādaśī 2021 falls on Thursday 25 March. Ekādaśī runs from 12:54 on Wed 24 Mar to 12:18 on Thu 25 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-03-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/pradosha-vrata?on=2021-03-26",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-03-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29692,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-03-26T10:51:40+08:00",
          "utc": "2021-03-26T02:51:40Z",
          "ms": 1616727100431.7048
        },
        "end": {
          "local": "2021-03-27T08:42:00+08:00",
          "utc": "2021-03-27T00:42:00Z",
          "ms": 1616805719673.14
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-03-26T10:51:40+08:00",
          "utc": "2021-03-26T02:51:40Z",
          "ms": 1616727100431.7048
        },
        "end": {
          "local": "2021-03-27T08:42:00+08:00",
          "utc": "2021-03-27T00:42:00Z",
          "ms": 1616805719673.14
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-03-26",
          "window": {
            "start": {
              "local": "2021-03-26T19:06:32+08:00",
              "utc": "2021-03-26T11:06:32Z",
              "ms": 1616756792216.537
            },
            "end": {
              "local": "2021-03-26T20:40:11+08:00",
              "utc": "2021-03-26T12:40:11Z",
              "ms": 1616762411061.19
            }
          },
          "covered_min": 94,
          "window_min": 94,
          "qualifies": true
        },
        {
          "local_date": "2021-03-27",
          "window": {
            "start": {
              "local": "2021-03-27T19:07:04+08:00",
              "utc": "2021-03-27T11:07:04Z",
              "ms": 1616843223518.6487
            },
            "end": {
              "local": "2021-03-27T20:40:29+08:00",
              "utc": "2021-03-27T12:40:29Z",
              "ms": 1616848829173.9932
            }
          },
          "covered_min": 0,
          "window_min": 93,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 10:52 on Fri 26 Mar to 08:42 on Sat 27 Mar.",
          "fact": "2021-03-26T02:51:40Z → 2021-03-27T00:42:00Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:07–20:40 on the 26th, 19:07–20:40 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 94 of 94 minutes on the 26th and 0 of 93 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 29692 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Zunyi, 2021: Friday 26 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": "2021-03-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-03-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Śukla Pradoṣa Vrata 2021 falls on Friday 26 March. Trayodaśī runs from 10:52 on Fri 26 Mar to 08:42 on Sat 27 Mar and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/pradosha-vrata?on=2021-03-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/holika-dahana",
      "festival": "holika-dahana",
      "name": "Holikā Dahana",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-03-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27636,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2021-03-28T05:57:28+08:00",
          "utc": "2021-03-27T21:57:28Z",
          "ms": 1616882247813.7795
        },
        "end": {
          "local": "2021-03-29T02:48:11+08:00",
          "utc": "2021-03-28T18:48:11Z",
          "ms": 1616957290899.6128
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-03-28T05:57:28+08:00",
          "utc": "2021-03-27T21:57:28Z",
          "ms": 1616882247813.7795
        },
        "end": {
          "local": "2021-03-29T02:48:11+08:00",
          "utc": "2021-03-28T18:48:11Z",
          "ms": 1616957290899.6128
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2021-03-27",
          "window": {
            "start": {
              "local": "2021-03-27T16:39:26+08:00",
              "utc": "2021-03-27T08:39:26Z",
              "ms": 1616834365525.2056
            },
            "end": {
              "local": "2021-03-27T19:07:04+08:00",
              "utc": "2021-03-27T11:07:04Z",
              "ms": 1616843223518.6487
            }
          },
          "covered_min": 0,
          "window_min": 148,
          "qualifies": false
        },
        {
          "local_date": "2021-03-28",
          "window": {
            "start": {
              "local": "2021-03-28T16:39:37+08:00",
              "utc": "2021-03-28T08:39:37Z",
              "ms": 1616920776998.563
            },
            "end": {
              "local": "2021-03-28T19:07:35+08:00",
              "utc": "2021-03-28T11:07:35Z",
              "ms": 1616929654764.7708
            }
          },
          "covered_min": 148,
          "window_min": 148,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 05:57 on Sun 28 Mar to 02:48 on Mon 29 Mar.",
          "fact": "2021-03-27T21:57:28Z → 2021-03-28T18:48:11Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:39–19:07 on the 27th, 16:40–19:08 on the 28th.",
          "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 148 minutes on the 27th and 148 of 148 on the 28th.",
          "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 27636 s"
        },
        {
          "step": "ruling",
          "text": "Holikā Dahana, Zunyi, 2021: Sunday 28 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": "2021-03-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-03-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Holikā Dahana 2021 falls on Sunday 28 March. Pūrṇimā runs from 05:57 on Sun 28 Mar to 02:48 on Mon 29 Mar and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/holi",
      "festival": "holi",
      "name": "Holī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-03-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27636,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2021-03-28T05:57:28+08:00",
          "utc": "2021-03-27T21:57:28Z",
          "ms": 1616882247813.7795
        },
        "end": {
          "local": "2021-03-29T02:48:11+08:00",
          "utc": "2021-03-28T18:48:11Z",
          "ms": 1616957290899.6128
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-03-28T05:57:28+08:00",
          "utc": "2021-03-27T21:57:28Z",
          "ms": 1616882247813.7795
        },
        "end": {
          "local": "2021-03-29T02:48:11+08:00",
          "utc": "2021-03-28T18:48:11Z",
          "ms": 1616957290899.6128
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2021-03-27",
          "window": {
            "start": {
              "local": "2021-03-27T16:39:26+08:00",
              "utc": "2021-03-27T08:39:26Z",
              "ms": 1616834365525.2056
            },
            "end": {
              "local": "2021-03-27T19:07:04+08:00",
              "utc": "2021-03-27T11:07:04Z",
              "ms": 1616843223518.6487
            }
          },
          "covered_min": 0,
          "window_min": 148,
          "qualifies": false
        },
        {
          "local_date": "2021-03-28",
          "window": {
            "start": {
              "local": "2021-03-28T16:39:37+08:00",
              "utc": "2021-03-28T08:39:37Z",
              "ms": 1616920776998.563
            },
            "end": {
              "local": "2021-03-28T19:07:35+08:00",
              "utc": "2021-03-28T11:07:35Z",
              "ms": 1616929654764.7708
            }
          },
          "covered_min": 148,
          "window_min": 148,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "holika-dahana",
        "name": "Holikā Dahana",
        "local_date": "2021-03-28",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 05:57 on Sun 28 Mar to 02:48 on Mon 29 Mar.",
          "fact": "2021-03-27T21:57:28Z → 2021-03-28T18:48:11Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:39–19:07 on the 27th, 16:40–19:08 on the 28th.",
          "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 148 minutes on the 27th and 148 of 148 on the 28th.",
          "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 27636 s"
        },
        {
          "step": "counted",
          "text": "Holī is kept the day after Holikā Dahana: Sunday 28 March is the day taken above.",
          "fact": "follows: holika-dahana + 1 d"
        },
        {
          "step": "ruling",
          "text": "Holī, Zunyi, 2021: Monday 29 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": "2021-03-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-03-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Holī 2021 falls on Monday 29 March. It is kept the day after Holikā Dahana, which falls on Sunday 28 March. Pūrṇimā runs from 05:57 on Sun 28 Mar to 02:48 on Mon 29 Mar and covers all of sāyāhna on the 28th.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/vasantotsava",
      "festival": "vasantotsava",
      "name": "Vasantotsava",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-03-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14308,
      "anga": {
        "type": "tithi",
        "index": 15,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2021-03-29T02:48:11+08:00",
          "utc": "2021-03-28T18:48:11Z",
          "ms": 1616957290899.6128
        },
        "end": {
          "local": "2021-03-29T23:24:45+08:00",
          "utc": "2021-03-29T15:24:45Z",
          "ms": 1617031484865.9773
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-03-29T02:48:11+08:00",
          "utc": "2021-03-28T18:48:11Z",
          "ms": 1616957290899.6128
        },
        "end": {
          "local": "2021-03-29T23:24:45+08:00",
          "utc": "2021-03-29T15:24:45Z",
          "ms": 1617031484865.9773
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-03-29",
          "window": {
            "start": {
              "local": "2021-03-29T06:46:38+08:00",
              "utc": "2021-03-28T22:46:38Z",
              "ms": 1616971598414.5847
            },
            "end": {
              "local": "2021-03-29T06:46:38+08:00",
              "utc": "2021-03-28T22:46:38Z",
              "ms": 1616971598414.5847
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2021-03-30",
          "window": {
            "start": {
              "local": "2021-03-30T06:45:31+08:00",
              "utc": "2021-03-29T22:45:31Z",
              "ms": 1617057931024.377
            },
            "end": {
              "local": "2021-03-30T06:45:31+08:00",
              "utc": "2021-03-29T22:45:31Z",
              "ms": 1617057931024.377
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 02:48 on Mon 29 Mar to 23:25 on Mon 29 Mar.",
          "fact": "2021-03-28T18:48:11Z → 2021-03-29T15:24:45Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:47 on the 29th and 06:46 on the 30th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be current at sunrise. It is on the 29th and is not on the 30th.",
          "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 14308 s"
        },
        {
          "step": "ruling",
          "text": "Vasantotsava, Zunyi, 2021: Monday 29 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": "2021-03-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-03-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Vasantotsava 2021 falls on Monday 29 March. Pratipadā runs from 02:48 on Mon 29 Mar to 23:25 on Mon 29 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/sankashta-chaturthi?on=2021-03-31",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-03-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19762,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-03-31T16:36:32+08:00",
          "utc": "2021-03-31T08:36:32Z",
          "ms": 1617179791737.822
        },
        "end": {
          "local": "2021-04-01T13:30:13+08:00",
          "utc": "2021-04-01T05:30:13Z",
          "ms": 1617255012622.9536
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-03-31T16:36:32+08:00",
          "utc": "2021-03-31T08:36:32Z",
          "ms": 1617179791737.822
        },
        "end": {
          "local": "2021-04-01T13:30:13+08:00",
          "utc": "2021-04-01T05:30:13Z",
          "ms": 1617255012622.9536
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2021-03-31",
          "window": {
            "start": {
              "local": "2021-03-31T22:05:54+08:00",
              "utc": "2021-03-31T14:05:54Z",
              "ms": 1617199553963.2688
            },
            "end": {
              "local": "2021-03-31T22:05:54+08:00",
              "utc": "2021-03-31T14:05:54Z",
              "ms": 1617199553963.2688
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2021-04-01",
          "window": {
            "start": {
              "local": "2021-04-01T23:14:58+08:00",
              "utc": "2021-04-01T15:14:58Z",
              "ms": 1617290097996.5425
            },
            "end": {
              "local": "2021-04-01T23:14:58+08:00",
              "utc": "2021-04-01T15:14:58Z",
              "ms": 1617290097996.5425
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 16:37 on Wed 31 Mar to 13:30 on Thu 1 Apr.",
          "fact": "2021-03-31T08:36:32Z → 2021-04-01T05:30:13Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 22:06 on the 31st and 23:15 on the 1st.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 31st and is not on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 19762 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Zunyi, 2021: Wednesday 31 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": "2021-03-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-03-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2021 falls on Wednesday 31 March. Caturthī runs from 16:37 on Wed 31 Mar to 13:30 on Thu 1 Apr and is current at moonrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/sankashta-chaturthi?on=2021-03-31",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/shitalashtami",
      "festival": "shitalashtami",
      "name": "Śītalāṣṭamī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-04-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20905,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2021-04-04T06:43:11+08:00",
          "utc": "2021-04-03T22:43:11Z",
          "ms": 1617489790675.289
        },
        "end": {
          "local": "2021-04-05T05:29:57+08:00",
          "utc": "2021-04-04T21:29:57Z",
          "ms": 1617571796930.1362
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-04-04T06:43:11+08:00",
          "utc": "2021-04-03T22:43:11Z",
          "ms": 1617489790675.289
        },
        "end": {
          "local": "2021-04-05T05:29:57+08:00",
          "utc": "2021-04-04T21:29:57Z",
          "ms": 1617571796930.1362
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-04-04",
          "window": {
            "start": {
              "local": "2021-04-04T12:31:35+08:00",
              "utc": "2021-04-04T04:31:35Z",
              "ms": 1617510695234.5066
            },
            "end": {
              "local": "2021-04-04T13:19:35+08:00",
              "utc": "2021-04-04T05:19:35Z",
              "ms": 1617513575234.5066
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-04-05",
          "window": {
            "start": {
              "local": "2021-04-05T12:31:18+08:00",
              "utc": "2021-04-05T04:31:18Z",
              "ms": 1617597077938.137
            },
            "end": {
              "local": "2021-04-05T13:19:18+08:00",
              "utc": "2021-04-05T05:19:18Z",
              "ms": 1617599957938.137
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 06:43 on Sun 4 Apr to 05:30 on Mon 5 Apr.",
          "fact": "2021-04-03T22:43:11Z → 2021-04-04T21:29:57Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 4th, 12:31–13:19 on the 5th.",
          "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 4th and 0 of 48 on the 5th.",
          "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 20905 s"
        },
        {
          "step": "ruling",
          "text": "Śītalāṣṭamī, Zunyi, 2021: Sunday 4 April.",
          "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": "2021-04-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-04-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Śītalāṣṭamī 2021 falls on Sunday 4 April. Aṣṭamī runs from 06:43 on Sun 4 Apr to 05:30 on Mon 5 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/ekadashi?on=2021-04-07",
      "festival": "ekadashi",
      "name": "Pāpamocanī Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-04-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5769,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-04-07T04:39:44+08:00",
          "utc": "2021-04-06T20:39:44Z",
          "ms": 1617741584257.2632
        },
        "end": {
          "local": "2021-04-08T04:59:26+08:00",
          "utc": "2021-04-07T20:59:26Z",
          "ms": 1617829165869.3804
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-04-07T04:39:44+08:00",
          "utc": "2021-04-06T20:39:44Z",
          "ms": 1617741584257.2632
        },
        "end": {
          "local": "2021-04-08T04:59:26+08:00",
          "utc": "2021-04-07T20:59:26Z",
          "ms": 1617829165869.3804
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-04-07",
          "window": {
            "start": {
              "local": "2021-04-07T06:36:40+08:00",
              "utc": "2021-04-06T22:36:40Z",
              "ms": 1617748600065.634
            },
            "end": {
              "local": "2021-04-07T06:36:40+08:00",
              "utc": "2021-04-06T22:36:40Z",
              "ms": 1617748600065.634
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2021-04-08",
          "window": {
            "start": {
              "local": "2021-04-08T06:35:35+08:00",
              "utc": "2021-04-07T22:35:35Z",
              "ms": 1617834935128.5867
            },
            "end": {
              "local": "2021-04-08T06:35:35+08:00",
              "utc": "2021-04-07T22:35:35Z",
              "ms": 1617834935128.5867
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 04:40 on Wed 7 Apr to 04:59 on Thu 8 Apr.",
          "fact": "2021-04-06T20:39:44Z → 2021-04-07T20:59:26Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:37 on the 7th and 06:36 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 5769 s"
        },
        {
          "step": "ruling",
          "text": "Pāpamocanī Ekādaśī, Zunyi, 2021: Wednesday 7 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": "2021-04-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-04-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Pāpamocanī Ekādaśī 2021 falls on Wednesday 7 April. Ekādaśī runs from 04:40 on Wed 7 Apr to 04:59 on Thu 8 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-04-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/pradosha-vrata?on=2021-04-09",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-04-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32524,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-04-09T05:46:13+08:00",
          "utc": "2021-04-08T21:46:13Z",
          "ms": 1617918372930.426
        },
        "end": {
          "local": "2021-04-10T06:58:12+08:00",
          "utc": "2021-04-09T22:58:12Z",
          "ms": 1618009091545.5217
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-04-09T05:46:13+08:00",
          "utc": "2021-04-08T21:46:13Z",
          "ms": 1617918372930.426
        },
        "end": {
          "local": "2021-04-10T06:58:12+08:00",
          "utc": "2021-04-09T22:58:12Z",
          "ms": 1618009091545.5217
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-04-08",
          "window": {
            "start": {
              "local": "2021-04-08T19:13:20+08:00",
              "utc": "2021-04-08T11:13:20Z",
              "ms": 1617880399521.777
            },
            "end": {
              "local": "2021-04-08T20:44:09+08:00",
              "utc": "2021-04-08T12:44:09Z",
              "ms": 1617885848998.243
            }
          },
          "covered_min": 0,
          "window_min": 91,
          "qualifies": false
        },
        {
          "local_date": "2021-04-09",
          "window": {
            "start": {
              "local": "2021-04-09T19:13:51+08:00",
              "utc": "2021-04-09T11:13:51Z",
              "ms": 1617966831268.9895
            },
            "end": {
              "local": "2021-04-09T20:44:28+08:00",
              "utc": "2021-04-09T12:44:28Z",
              "ms": 1617972267965.1064
            }
          },
          "covered_min": 91,
          "window_min": 91,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 05:46 on Fri 9 Apr to 06:58 on Sat 10 Apr.",
          "fact": "2021-04-08T21:46:13Z → 2021-04-09T22:58:12Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:13–20:44 on the 8th, 19:14–20:44 on the 9th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 91 minutes on the 8th and 91 of 91 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 32524 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2021: Friday 9 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": "2021-04-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-04-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2021 falls on Friday 9 April. Trayodaśī runs from 05:46 on Fri 9 Apr to 06:58 on Sat 10 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/pradosha-vrata?on=2021-04-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/shivaratri?on=2021-04-10",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-04-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20433,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2021-04-10T06:58:12+08:00",
          "utc": "2021-04-09T22:58:12Z",
          "ms": 1618009091545.5217
        },
        "end": {
          "local": "2021-04-11T08:33:41+08:00",
          "utc": "2021-04-11T00:33:41Z",
          "ms": 1618101220726.4543
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-04-10T06:58:12+08:00",
          "utc": "2021-04-09T22:58:12Z",
          "ms": 1618009091545.5217
        },
        "end": {
          "local": "2021-04-11T08:33:41+08:00",
          "utc": "2021-04-11T00:33:41Z",
          "ms": 1618101220726.4543
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2021-04-09",
          "window": {
            "start": {
              "local": "2021-04-10T00:29:39+08:00",
              "utc": "2021-04-09T16:29:39Z",
              "ms": 1617985778879.4285
            },
            "end": {
              "local": "2021-04-10T01:17:39+08:00",
              "utc": "2021-04-09T17:17:39Z",
              "ms": 1617988658879.4285
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-04-10",
          "window": {
            "start": {
              "local": "2021-04-11T00:29:23+08:00",
              "utc": "2021-04-10T16:29:23Z",
              "ms": 1618072162975.9058
            },
            "end": {
              "local": "2021-04-11T01:17:23+08:00",
              "utc": "2021-04-10T17:17:23Z",
              "ms": 1618075042975.9058
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 06:58 on Sat 10 Apr to 08:34 on Sun 11 Apr.",
          "fact": "2021-04-09T22:58:12Z → 2021-04-11T00:33:41Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:30–01:18 on the 9th, 00:29–01:17 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 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 20433 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Zunyi, 2021: Saturday 10 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": "2021-04-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-04-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Śivarātri 2021 falls on Saturday 10 April. Caturdaśī runs from 06:58 on Sat 10 Apr to 08:34 on Sun 11 Apr and covers all of niśītha that night.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/shivaratri?on=2021-04-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/vaishakhi",
      "festival": "vaishakhi",
      "name": "Vaiśākhī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-04-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5185,
      "anga": {
        "type": "sankranti",
        "index": 0,
        "key": "mesha",
        "name": "Meṣa",
        "start": {
          "local": "2021-04-14T05:02:50+08:00",
          "utc": "2021-04-13T21:02:50Z",
          "ms": 1618347769625.5
        },
        "end": {
          "local": "2021-05-15T01:55:04+08:00",
          "utc": "2021-05-14T17:55:04Z",
          "ms": 1621014904431.6782
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2021-04-14T05:02:50+08:00",
          "utc": "2021-04-13T21:02:50Z",
          "ms": 1618347769625.5
        },
        "end": {
          "local": "2021-04-14T05:02:50+08:00",
          "utc": "2021-04-13T21:02:50Z",
          "ms": 1618347769625.5
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "2021-04-13",
          "window": {
            "start": {
              "local": "2021-04-13T06:30:17+08:00",
              "utc": "2021-04-12T22:30:17Z",
              "ms": 1618266616979.2197
            },
            "end": {
              "local": "2021-04-14T06:29:15+08:00",
              "utc": "2021-04-13T22:29:15Z",
              "ms": 1618352954822.9075
            }
          },
          "covered_min": 1,
          "window_min": 1439,
          "qualifies": true
        },
        {
          "local_date": "2021-04-14",
          "window": {
            "start": {
              "local": "2021-04-14T06:29:15+08:00",
              "utc": "2021-04-13T22:29:15Z",
              "ms": 1618352954822.9075
            },
            "end": {
              "local": "2021-04-15T06:28:13+08:00",
              "utc": "2021-04-14T22:28:13Z",
              "ms": 1618439293212.8357
            }
          },
          "covered_min": 0,
          "window_min": 1439,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Meṣa at 05:03 on Wed 14 Apr.",
          "fact": "2021-04-13T21:02:50Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 06:30 on the 13th, and from 06:29 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 5185 s"
        },
        {
          "step": "ruling",
          "text": "Vaiśākhī, Zunyi, 2021: Tuesday 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": "2021-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2021-04-14",
          "statement": "Counted from midnight",
          "reference": {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        },
        {
          "kind": "reckoning",
          "id": "sunset-rule",
          "local_date": "2021-04-14",
          "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 Zunyi, Vaiśākhī 2021 falls on Tuesday 13 April. The Sun enters Meṣa at 05:03 on Wed 14 Apr, and the rule counts the day from sunrise. Counted from midnight, or by the Tamil rule for the first day of a solar month, which gives a transit after sunset to the next day, it is 14 April.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/navaratra-arambha-caitra",
      "festival": "navaratra-arambha-caitra",
      "name": "Navarātrārambha (Caitra)",
      "everyday": "Chaitra Navratri",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-04-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1076,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2021-04-12T10:30:51+08:00",
          "utc": "2021-04-12T02:30:51Z",
          "ms": 1618194650836.9685
        },
        "end": {
          "local": "2021-04-13T12:47:04+08:00",
          "utc": "2021-04-13T04:47:04Z",
          "ms": 1618289224245.3015
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-04-12T10:30:51+08:00",
          "utc": "2021-04-12T02:30:51Z",
          "ms": 1618194650836.9685
        },
        "end": {
          "local": "2021-04-13T12:47:04+08:00",
          "utc": "2021-04-13T04:47:04Z",
          "ms": 1618289224245.3015
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-04-12",
          "window": {
            "start": {
              "local": "2021-04-12T12:29:23+08:00",
              "utc": "2021-04-12T04:29:23Z",
              "ms": 1618201763390.3953
            },
            "end": {
              "local": "2021-04-12T13:17:23+08:00",
              "utc": "2021-04-12T05:17:23Z",
              "ms": 1618204643390.3953
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-04-13",
          "window": {
            "start": {
              "local": "2021-04-13T12:29:08+08:00",
              "utc": "2021-04-13T04:29:08Z",
              "ms": 1618288148134.412
            },
            "end": {
              "local": "2021-04-13T13:17:08+08:00",
              "utc": "2021-04-13T05:17:08Z",
              "ms": 1618291028134.412
            }
          },
          "covered_min": 18,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 10:31 on Mon 12 Apr to 12:47 on Tue 13 Apr.",
          "fact": "2021-04-12T02:30:51Z → 2021-04-13T04:47:04Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 12th, 12:29–13:17 on the 13th.",
          "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 12th and 18 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify. Paraviddhā: the second is taken.",
          "fact": "priority: paraviddha → paraviddha · margin 1076 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha (Caitra), Zunyi, 2021: Tuesday 13 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "navaratra-arambha-caitra",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 1 Navaratrarambha (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-04-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Navarātrārambha (Caitra) (Chaitra Navratri) 2021 falls on Tuesday 13 April. Pratipadā runs from 10:31 on Mon 12 Apr to 12:47 on Tue 13 Apr and covers 18 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/gauri-tritiya",
      "festival": "gauri-tritiya",
      "name": "Gaurī Tṛtīyā",
      "everyday": "Gangaur",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-04-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7274,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2021-04-14T15:18:08+08:00",
          "utc": "2021-04-14T07:18:08Z",
          "ms": 1618384687673.6487
        },
        "end": {
          "local": "2021-04-15T17:57:31+08:00",
          "utc": "2021-04-15T09:57:31Z",
          "ms": 1618480650897.7708
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-04-14T15:18:08+08:00",
          "utc": "2021-04-14T07:18:08Z",
          "ms": 1618384687673.6487
        },
        "end": {
          "local": "2021-04-15T17:57:31+08:00",
          "utc": "2021-04-15T09:57:31Z",
          "ms": 1618480650897.7708
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-04-14",
          "window": {
            "start": {
              "local": "2021-04-14T12:28:53+08:00",
              "utc": "2021-04-14T04:28:53Z",
              "ms": 1618374533195.9795
            },
            "end": {
              "local": "2021-04-14T13:16:53+08:00",
              "utc": "2021-04-14T05:16:53Z",
              "ms": 1618377413195.9795
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-04-15",
          "window": {
            "start": {
              "local": "2021-04-15T12:28:39+08:00",
              "utc": "2021-04-15T04:28:39Z",
              "ms": 1618460918587.8894
            },
            "end": {
              "local": "2021-04-15T13:16:39+08:00",
              "utc": "2021-04-15T05:16:39Z",
              "ms": 1618463798587.8894
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 15:18 on Wed 14 Apr to 17:58 on Thu 15 Apr.",
          "fact": "2021-04-14T07:18:08Z → 2021-04-15T09:57:31Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 14th, 12:29–13:17 on the 15th.",
          "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 14th and 48 of 48 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 7274 s"
        },
        {
          "step": "ruling",
          "text": "Gaurī Tṛtīyā, Zunyi, 2021: Thursday 15 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "gauri-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-04-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-04-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Gaurī Tṛtīyā (Gangaur) 2021 falls on Thursday 15 April. Tṛtīyā runs from 15:18 on Wed 14 Apr to 17:58 on Thu 15 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/saubhagya-shayana-vrata",
      "festival": "saubhagya-shayana-vrata",
      "name": "Saubhāgya Śayana Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-04-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7274,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2021-04-14T15:18:08+08:00",
          "utc": "2021-04-14T07:18:08Z",
          "ms": 1618384687673.6487
        },
        "end": {
          "local": "2021-04-15T17:57:31+08:00",
          "utc": "2021-04-15T09:57:31Z",
          "ms": 1618480650897.7708
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-04-14T15:18:08+08:00",
          "utc": "2021-04-14T07:18:08Z",
          "ms": 1618384687673.6487
        },
        "end": {
          "local": "2021-04-15T17:57:31+08:00",
          "utc": "2021-04-15T09:57:31Z",
          "ms": 1618480650897.7708
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-04-14",
          "window": {
            "start": {
              "local": "2021-04-14T12:28:53+08:00",
              "utc": "2021-04-14T04:28:53Z",
              "ms": 1618374533195.9795
            },
            "end": {
              "local": "2021-04-14T13:16:53+08:00",
              "utc": "2021-04-14T05:16:53Z",
              "ms": 1618377413195.9795
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-04-15",
          "window": {
            "start": {
              "local": "2021-04-15T12:28:39+08:00",
              "utc": "2021-04-15T04:28:39Z",
              "ms": 1618460918587.8894
            },
            "end": {
              "local": "2021-04-15T13:16:39+08:00",
              "utc": "2021-04-15T05:16:39Z",
              "ms": 1618463798587.8894
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 15:18 on Wed 14 Apr to 17:58 on Thu 15 Apr.",
          "fact": "2021-04-14T07:18:08Z → 2021-04-15T09:57:31Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 14th, 12:29–13:17 on the 15th.",
          "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 14th and 48 of 48 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 7274 s"
        },
        {
          "step": "ruling",
          "text": "Saubhāgya Śayana Vrata, Zunyi, 2021: Thursday 15 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "saubhagya-shayana-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Dolotsava, Gauri trtiya, Andolana trtiya, Saubhagya sayana vrata (paraviddha), Sarhul (Bihar)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-04-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-04-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Saubhāgya Śayana Vrata 2021 falls on Thursday 15 April. Tṛtīyā runs from 15:18 on Wed 14 Apr to 17:58 on Thu 15 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/vinayaka-chaturthi?on=2021-04-16",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-04-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16852,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-04-15T17:57:31+08:00",
          "utc": "2021-04-15T09:57:31Z",
          "ms": 1618480650897.7708
        },
        "end": {
          "local": "2021-04-16T20:36:10+08:00",
          "utc": "2021-04-16T12:36:10Z",
          "ms": 1618576569840.9338
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-04-15T17:57:31+08:00",
          "utc": "2021-04-15T09:57:31Z",
          "ms": 1618480650897.7708
        },
        "end": {
          "local": "2021-04-16T20:36:10+08:00",
          "utc": "2021-04-16T12:36:10Z",
          "ms": 1618576569840.9338
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-04-15",
          "window": {
            "start": {
              "local": "2021-04-15T12:28:39+08:00",
              "utc": "2021-04-15T04:28:39Z",
              "ms": 1618460918587.8894
            },
            "end": {
              "local": "2021-04-15T13:16:39+08:00",
              "utc": "2021-04-15T05:16:39Z",
              "ms": 1618463798587.8894
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-04-16",
          "window": {
            "start": {
              "local": "2021-04-16T12:28:24+08:00",
              "utc": "2021-04-16T04:28:24Z",
              "ms": 1618547304322.7505
            },
            "end": {
              "local": "2021-04-16T13:16:24+08:00",
              "utc": "2021-04-16T05:16:24Z",
              "ms": 1618550184322.7505
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 17:58 on Thu 15 Apr to 20:36 on Fri 16 Apr.",
          "fact": "2021-04-15T09:57:31Z → 2021-04-16T12:36:10Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 15th, 12:28–13:16 on the 16th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 16852 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Zunyi, 2021: Friday 16 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": "2021-04-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-04-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Vināyaka Caturthī 2021 falls on Friday 16 April. Caturthī runs from 17:58 on Thu 15 Apr to 20:36 on Fri 16 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/vinayaka-chaturthi?on=2021-04-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/lakshmi-panchami",
      "festival": "lakshmi-panchami",
      "name": "Lakṣmī Pañcamī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-04-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26386,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2021-04-16T20:36:10+08:00",
          "utc": "2021-04-16T12:36:10Z",
          "ms": 1618576569840.9338
        },
        "end": {
          "local": "2021-04-17T23:02:50+08:00",
          "utc": "2021-04-17T15:02:50Z",
          "ms": 1618671770253.3716
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-04-16T20:36:10+08:00",
          "utc": "2021-04-16T12:36:10Z",
          "ms": 1618576569840.9338
        },
        "end": {
          "local": "2021-04-17T23:02:50+08:00",
          "utc": "2021-04-17T15:02:50Z",
          "ms": 1618671770253.3716
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-04-16",
          "window": {
            "start": {
              "local": "2021-04-16T12:28:24+08:00",
              "utc": "2021-04-16T04:28:24Z",
              "ms": 1618547304322.7505
            },
            "end": {
              "local": "2021-04-16T13:16:24+08:00",
              "utc": "2021-04-16T05:16:24Z",
              "ms": 1618550184322.7505
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-04-17",
          "window": {
            "start": {
              "local": "2021-04-17T12:28:10+08:00",
              "utc": "2021-04-17T04:28:10Z",
              "ms": 1618633690413.02
            },
            "end": {
              "local": "2021-04-17T13:16:10+08:00",
              "utc": "2021-04-17T05:16:10Z",
              "ms": 1618636570413.02
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 20:36 on Fri 16 Apr to 23:03 on Sat 17 Apr.",
          "fact": "2021-04-16T12:36:10Z → 2021-04-17T15:02:50Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 16th, 12:28–13:16 on the 17th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 26386 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pañcamī, Zunyi, 2021: Saturday 17 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "lakshmi-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri pancami or Laksmi pancami (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-04-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-04-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Lakṣmī Pañcamī 2021 falls on Saturday 17 April. Pañcamī runs from 20:36 on Fri 16 Apr to 23:03 on Sat 17 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/bhavani-utpatti",
      "festival": "bhavani-utpatti",
      "name": "Bhavānī Utpatti",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-04-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33208,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2021-04-20T02:31:59+08:00",
          "utc": "2021-04-19T18:31:59Z",
          "ms": 1618857118777.9094
        },
        "end": {
          "local": "2021-04-21T03:13:50+08:00",
          "utc": "2021-04-20T19:13:50Z",
          "ms": 1618946030103.526
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-04-20T02:31:59+08:00",
          "utc": "2021-04-19T18:31:59Z",
          "ms": 1618857118777.9094
        },
        "end": {
          "local": "2021-04-21T03:13:50+08:00",
          "utc": "2021-04-20T19:13:50Z",
          "ms": 1618946030103.526
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-04-20",
          "window": {
            "start": {
              "local": "2021-04-20T12:27:31+08:00",
              "utc": "2021-04-20T04:27:31Z",
              "ms": 1618892850939.3281
            },
            "end": {
              "local": "2021-04-20T13:15:31+08:00",
              "utc": "2021-04-20T05:15:31Z",
              "ms": 1618895730939.3281
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-04-21",
          "window": {
            "start": {
              "local": "2021-04-21T12:27:19+08:00",
              "utc": "2021-04-21T04:27:19Z",
              "ms": 1618979238574.1348
            },
            "end": {
              "local": "2021-04-21T13:15:19+08:00",
              "utc": "2021-04-21T05:15:19Z",
              "ms": 1618982118574.1348
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 02:32 on Tue 20 Apr to 03:14 on Wed 21 Apr.",
          "fact": "2021-04-19T18:31:59Z → 2021-04-20T19:13:50Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 20th, 12:27–13:15 on the 21st.",
          "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 20th and 0 of 48 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 33208 s"
        },
        {
          "step": "ruling",
          "text": "Bhavānī Utpatti, Zunyi, 2021: Tuesday 20 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bhavani-utpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 8 Annapurna puja (Beng.) (paraviddha), Bhavani-utpatti (paraviddha), Asokastami (Special when combined with naks. Punarvasu and Wednesday, after mid-day)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-04-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-04-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Bhavānī Utpatti 2021 falls on Tuesday 20 April. Aṣṭamī runs from 02:32 on Tue 20 Apr to 03:14 on Wed 21 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/rama-navami",
      "festival": "rama-navami",
      "name": "Rāma Navamī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-04-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33208,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2021-04-21T03:13:50+08:00",
          "utc": "2021-04-20T19:13:50Z",
          "ms": 1618946030103.526
        },
        "end": {
          "local": "2021-04-22T03:05:32+08:00",
          "utc": "2021-04-21T19:05:32Z",
          "ms": 1619031932108.9236
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-04-21T03:13:50+08:00",
          "utc": "2021-04-20T19:13:50Z",
          "ms": 1618946030103.526
        },
        "end": {
          "local": "2021-04-22T03:05:32+08:00",
          "utc": "2021-04-21T19:05:32Z",
          "ms": 1619031932108.9236
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-04-21",
          "window": {
            "start": {
              "local": "2021-04-21T12:27:19+08:00",
              "utc": "2021-04-21T04:27:19Z",
              "ms": 1618979238574.1348
            },
            "end": {
              "local": "2021-04-21T13:15:19+08:00",
              "utc": "2021-04-21T05:15:19Z",
              "ms": 1618982118574.1348
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-04-22",
          "window": {
            "start": {
              "local": "2021-04-22T12:27:07+08:00",
              "utc": "2021-04-22T04:27:07Z",
              "ms": 1619065626625.9707
            },
            "end": {
              "local": "2021-04-22T13:15:07+08:00",
              "utc": "2021-04-22T05:15:07Z",
              "ms": 1619068506625.9707
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 03:14 on Wed 21 Apr to 03:06 on Thu 22 Apr.",
          "fact": "2021-04-20T19:13:50Z → 2021-04-21T19:05:32Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 21st, 12:27–13:15 on the 22nd.",
          "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 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: unstated → only-day · margin 33208 s"
        },
        {
          "step": "ruling",
          "text": "Rāma Navamī, Zunyi, 2021: Wednesday 21 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rama-navami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Ramanavami (madhyahnavyapini, special with Punarvasu naks.), Rama jayanti."
          }
        ],
        "not_evaluated": "The row calls the day special when it falls with Punarvasu nakṣatra; the nakṣatra is not tested.",
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-04-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-04-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Rāma Navamī 2021 falls on Wednesday 21 April. Navamī runs from 03:14 on Wed 21 Apr to 03:06 on Thu 22 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/ekadashi?on=2021-04-23",
      "festival": "ekadashi",
      "name": "Kāmadā Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-04-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15264,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-04-23T02:05:59+08:00",
          "utc": "2021-04-22T18:05:59Z",
          "ms": 1619114759336.024
        },
        "end": {
          "local": "2021-04-24T00:18:03+08:00",
          "utc": "2021-04-23T16:18:03Z",
          "ms": 1619194683125.3757
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-04-23T02:05:59+08:00",
          "utc": "2021-04-22T18:05:59Z",
          "ms": 1619114759336.024
        },
        "end": {
          "local": "2021-04-24T00:18:03+08:00",
          "utc": "2021-04-23T16:18:03Z",
          "ms": 1619194683125.3757
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-04-23",
          "window": {
            "start": {
              "local": "2021-04-23T06:20:23+08:00",
              "utc": "2021-04-22T22:20:23Z",
              "ms": 1619130022860.2725
            },
            "end": {
              "local": "2021-04-23T06:20:23+08:00",
              "utc": "2021-04-22T22:20:23Z",
              "ms": 1619130022860.2725
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2021-04-24",
          "window": {
            "start": {
              "local": "2021-04-24T06:19:27+08:00",
              "utc": "2021-04-23T22:19:27Z",
              "ms": 1619216367247.9734
            },
            "end": {
              "local": "2021-04-24T06:19:27+08:00",
              "utc": "2021-04-23T22:19:27Z",
              "ms": 1619216367247.9734
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 02:06 on Fri 23 Apr to 00:18 on Sat 24 Apr.",
          "fact": "2021-04-22T18:05:59Z → 2021-04-23T16:18:03Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:20 on the 23rd and 06:19 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 15264 s"
        },
        {
          "step": "ruling",
          "text": "Kāmadā Ekādaśī, Zunyi, 2021: Friday 23 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": "2021-04-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-04-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Kāmadā Ekādaśī 2021 falls on Friday 23 April. Ekādaśī runs from 02:06 on Fri 23 Apr to 00:18 on Sat 24 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-04-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/pradosha-vrata?on=2021-04-24",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-04-24",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 2352,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-04-24T21:47:45+08:00",
          "utc": "2021-04-24T13:47:45Z",
          "ms": 1619272065361.0771
        },
        "end": {
          "local": "2021-04-25T18:43:22+08:00",
          "utc": "2021-04-25T10:43:22Z",
          "ms": 1619347402284.9502
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-04-24T21:47:45+08:00",
          "utc": "2021-04-24T13:47:45Z",
          "ms": 1619272065361.0771
        },
        "end": {
          "local": "2021-04-25T18:43:22+08:00",
          "utc": "2021-04-25T10:43:22Z",
          "ms": 1619347402284.9502
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-04-24",
          "window": {
            "start": {
              "local": "2021-04-24T19:22:01+08:00",
              "utc": "2021-04-24T11:22:01Z",
              "ms": 1619263320817.4314
            },
            "end": {
              "local": "2021-04-24T20:49:33+08:00",
              "utc": "2021-04-24T12:49:33Z",
              "ms": 1619268573032.0293
            }
          },
          "covered_min": 0,
          "window_min": 88,
          "qualifies": false
        },
        {
          "local_date": "2021-04-25",
          "window": {
            "start": {
              "local": "2021-04-25T19:22:34+08:00",
              "utc": "2021-04-25T11:22:34Z",
              "ms": 1619349754403.1736
            },
            "end": {
              "local": "2021-04-25T20:49:55+08:00",
              "utc": "2021-04-25T12:49:55Z",
              "ms": 1619354994939.206
            }
          },
          "covered_min": 0,
          "window_min": 87,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 21:48 on Sat 24 Apr to 18:43 on Sun 25 Apr.",
          "fact": "2021-04-24T13:47:45Z → 2021-04-25T10:43:22Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:22–20:50 on the 24th, 19:23–20:50 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 88 minutes on the 24th and 0 of 87 on the 25th.",
          "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 2352 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Zunyi, 2021: Saturday 24 April.",
          "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": "2021-04-24",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-04-24",
          "confidence": "boundary"
        }
      ],
      "quote": "In Zunyi, Śukla Pradoṣa Vrata 2021 falls on Saturday 24 April. Trayodaśī runs from 21:48 on Sat 24 Apr to 18:43 on Sun 25 Apr, and reaches pradoṣa on neither day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/pradosha-vrata?on=2021-04-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/ananga-trayodashi",
      "festival": "ananga-trayodashi",
      "name": "Anaṅga Trayodaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-04-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19729,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-04-24T21:47:45+08:00",
          "utc": "2021-04-24T13:47:45Z",
          "ms": 1619272065361.0771
        },
        "end": {
          "local": "2021-04-25T18:43:22+08:00",
          "utc": "2021-04-25T10:43:22Z",
          "ms": 1619347402284.9502
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-04-24T21:47:45+08:00",
          "utc": "2021-04-24T13:47:45Z",
          "ms": 1619272065361.0771
        },
        "end": {
          "local": "2021-04-25T18:43:22+08:00",
          "utc": "2021-04-25T10:43:22Z",
          "ms": 1619347402284.9502
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-04-24",
          "window": {
            "start": {
              "local": "2021-04-24T12:26:44+08:00",
              "utc": "2021-04-24T04:26:44Z",
              "ms": 1619238404032.7024
            },
            "end": {
              "local": "2021-04-24T13:14:44+08:00",
              "utc": "2021-04-24T05:14:44Z",
              "ms": 1619241284032.7024
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-04-25",
          "window": {
            "start": {
              "local": "2021-04-25T12:26:33+08:00",
              "utc": "2021-04-25T04:26:33Z",
              "ms": 1619324793415.0447
            },
            "end": {
              "local": "2021-04-25T13:14:33+08:00",
              "utc": "2021-04-25T05:14:33Z",
              "ms": 1619327673415.0447
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 21:48 on Sat 24 Apr to 18:43 on Sun 25 Apr.",
          "fact": "2021-04-24T13:47:45Z → 2021-04-25T10:43:22Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 24th, 12:27–13:15 on the 25th.",
          "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 24th and 48 of 48 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 19729 s"
        },
        {
          "step": "ruling",
          "text": "Anaṅga Trayodaśī, Zunyi, 2021: Sunday 25 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ananga-trayodashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 13 Ananga trayodasi (purvaviddha), Mahavira jayanti (Jain)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-04-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-04-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Anaṅga Trayodaśī 2021 falls on Sunday 25 April. Trayodaśī runs from 21:48 on Sat 24 Apr to 18:43 on Sun 25 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/vishnu-damanaka-chaturdashi",
      "festival": "vishnu-damanaka-chaturdashi",
      "name": "Viṣṇudamanaka Caturdaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-04-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7209,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2021-04-25T18:43:22+08:00",
          "utc": "2021-04-25T10:43:22Z",
          "ms": 1619347402284.9502
        },
        "end": {
          "local": "2021-04-26T15:14:32+08:00",
          "utc": "2021-04-26T07:14:32Z",
          "ms": 1619421272153.1921
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-04-25T18:43:22+08:00",
          "utc": "2021-04-25T10:43:22Z",
          "ms": 1619347402284.9502
        },
        "end": {
          "local": "2021-04-26T15:14:32+08:00",
          "utc": "2021-04-26T07:14:32Z",
          "ms": 1619421272153.1921
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-04-25",
          "window": {
            "start": {
              "local": "2021-04-25T12:26:33+08:00",
              "utc": "2021-04-25T04:26:33Z",
              "ms": 1619324793415.0447
            },
            "end": {
              "local": "2021-04-25T13:14:33+08:00",
              "utc": "2021-04-25T05:14:33Z",
              "ms": 1619327673415.0447
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-04-26",
          "window": {
            "start": {
              "local": "2021-04-26T12:26:23+08:00",
              "utc": "2021-04-26T04:26:23Z",
              "ms": 1619411183269.3398
            },
            "end": {
              "local": "2021-04-26T13:14:23+08:00",
              "utc": "2021-04-26T05:14:23Z",
              "ms": 1619414063269.3398
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 18:43 on Sun 25 Apr to 15:15 on Mon 26 Apr.",
          "fact": "2021-04-25T10:43:22Z → 2021-04-26T07:14:32Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:27–13:15 on the 25th, 12:26–13:14 on the 26th.",
          "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 25th and 48 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 7209 s"
        },
        {
          "step": "ruling",
          "text": "Viṣṇudamanaka Caturdaśī, Zunyi, 2021: Monday 26 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vishnu-damanaka-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 14 Madanabhanji, (Bengal & Orissa) (paraviddha), Sivadamanaka caturdasi, Visnudamanaka caturdasi (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-04-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-04-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Viṣṇudamanaka Caturdaśī 2021 falls on Monday 26 April. Caturdaśī runs from 18:43 on Sun 25 Apr to 15:15 on Mon 26 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/chaitri-purnima",
      "festival": "chaitri-purnima",
      "name": "Caitrī Pūrṇimā",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-04-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3281,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2021-04-26T15:14:32+08:00",
          "utc": "2021-04-26T07:14:32Z",
          "ms": 1619421272153.1921
        },
        "end": {
          "local": "2021-04-27T11:31:33+08:00",
          "utc": "2021-04-27T03:31:33Z",
          "ms": 1619494292863.2488
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-04-26T15:14:32+08:00",
          "utc": "2021-04-26T07:14:32Z",
          "ms": 1619421272153.1921
        },
        "end": {
          "local": "2021-04-27T11:31:33+08:00",
          "utc": "2021-04-27T03:31:33Z",
          "ms": 1619494292863.2488
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-04-26",
          "window": {
            "start": {
              "local": "2021-04-26T12:26:23+08:00",
              "utc": "2021-04-26T04:26:23Z",
              "ms": 1619411183269.3398
            },
            "end": {
              "local": "2021-04-26T13:14:23+08:00",
              "utc": "2021-04-26T05:14:23Z",
              "ms": 1619414063269.3398
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-04-27",
          "window": {
            "start": {
              "local": "2021-04-27T12:26:14+08:00",
              "utc": "2021-04-27T04:26:14Z",
              "ms": 1619497573610.499
            },
            "end": {
              "local": "2021-04-27T13:14:14+08:00",
              "utc": "2021-04-27T05:14:14Z",
              "ms": 1619500453610.499
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 15:15 on Mon 26 Apr to 11:32 on Tue 27 Apr.",
          "fact": "2021-04-26T07:14:32Z → 2021-04-27T03:31:33Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 26th, 12:26–13:14 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 0 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: paraviddha → second-day · margin 3281 s"
        },
        {
          "step": "ruling",
          "text": "Caitrī Pūrṇimā, Zunyi, 2021: Tuesday 27 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "chaitri-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Caitri purnima (paraviddha), Hanumat jayanti, Oli ending (Jain)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-04-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-04-27",
          "confidence": "boundary"
        }
      ],
      "quote": "In Zunyi, Caitrī Pūrṇimā 2021 falls on Tuesday 27 April. Pūrṇimā runs from 15:15 on Mon 26 Apr to 11:32 on Tue 27 Apr, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/sankashta-chaturthi?on=2021-04-29",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-04-29",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 5622,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-04-30T00:40:07+08:00",
          "utc": "2021-04-29T16:40:07Z",
          "ms": 1619714407298.8835
        },
        "end": {
          "local": "2021-04-30T21:40:09+08:00",
          "utc": "2021-04-30T13:40:09Z",
          "ms": 1619790009363.2012
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-04-30T00:40:07+08:00",
          "utc": "2021-04-29T16:40:07Z",
          "ms": 1619714407298.8835
        },
        "end": {
          "local": "2021-04-30T21:40:09+08:00",
          "utc": "2021-04-30T13:40:09Z",
          "ms": 1619790009363.2012
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2021-04-29",
          "window": {
            "start": {
              "local": "2021-04-29T22:05:03+08:00",
              "utc": "2021-04-29T14:05:03Z",
              "ms": 1619705103204.0605
            },
            "end": {
              "local": "2021-04-29T22:05:03+08:00",
              "utc": "2021-04-29T14:05:03Z",
              "ms": 1619705103204.0605
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2021-04-30",
          "window": {
            "start": {
              "local": "2021-04-30T23:13:51+08:00",
              "utc": "2021-04-30T15:13:51Z",
              "ms": 1619795630909.7795
            },
            "end": {
              "local": "2021-04-30T23:13:51+08:00",
              "utc": "2021-04-30T15:13:51Z",
              "ms": 1619795630909.7795
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 00:40 on Fri 30 Apr to 21:40 on Fri 30 Apr.",
          "fact": "2021-04-29T16:40:07Z → 2021-04-30T13:40:09Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 22:05 on the 29th and 23:14 on the 30th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Neither moonrise qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 5622 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Zunyi, 2021: Thursday 29 April.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-04-29",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-04-29",
          "confidence": "boundary"
        }
      ],
      "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2021 falls on Thursday 29 April. Caturthī runs from 00:40 on Fri 30 Apr to 21:40 on Fri 30 Apr, and is current at moonrise on neither day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/sankashta-chaturthi?on=2021-04-29",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/ekadashi?on=2021-05-07",
      "festival": "ekadashi",
      "name": "Varūthinī Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-05-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37893,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-05-06T16:41:02+08:00",
          "utc": "2021-05-06T08:41:02Z",
          "ms": 1620290462416.997
        },
        "end": {
          "local": "2021-05-07T18:02:34+08:00",
          "utc": "2021-05-07T10:02:34Z",
          "ms": 1620381754233.143
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-05-06T16:41:02+08:00",
          "utc": "2021-05-06T08:41:02Z",
          "ms": 1620290462416.997
        },
        "end": {
          "local": "2021-05-07T18:02:34+08:00",
          "utc": "2021-05-07T10:02:34Z",
          "ms": 1620381754233.143
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-05-06",
          "window": {
            "start": {
              "local": "2021-05-06T06:09:29+08:00",
              "utc": "2021-05-05T22:09:29Z",
              "ms": 1620252569017.804
            },
            "end": {
              "local": "2021-05-06T06:09:29+08:00",
              "utc": "2021-05-05T22:09:29Z",
              "ms": 1620252569017.804
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2021-05-07",
          "window": {
            "start": {
              "local": "2021-05-07T06:08:46+08:00",
              "utc": "2021-05-06T22:08:46Z",
              "ms": 1620338925655.9329
            },
            "end": {
              "local": "2021-05-07T06:08:46+08:00",
              "utc": "2021-05-06T22:08:46Z",
              "ms": 1620338925655.9329
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 16:41 on Thu 6 May to 18:03 on Fri 7 May.",
          "fact": "2021-05-06T08:41:02Z → 2021-05-07T10:02:34Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:09 on the 6th and 06:09 on the 7th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 6th and is on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 37893 s"
        },
        {
          "step": "ruling",
          "text": "Varūthinī Ekādaśī, Zunyi, 2021: Friday 7 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": "2021-05-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-05-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Varūthinī Ekādaśī 2021 falls on Friday 7 May. Ekādaśī runs from 16:41 on Thu 6 May to 18:03 on Fri 7 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-05-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/pradosha-vrata?on=2021-05-09",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-05-09",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1270,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-05-08T19:51:12+08:00",
          "utc": "2021-05-08T11:51:12Z",
          "ms": 1620474672453.0833
        },
        "end": {
          "local": "2021-05-09T22:00:59+08:00",
          "utc": "2021-05-09T14:00:59Z",
          "ms": 1620568858968.457
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-05-08T19:51:12+08:00",
          "utc": "2021-05-08T11:51:12Z",
          "ms": 1620474672453.0833
        },
        "end": {
          "local": "2021-05-09T22:00:59+08:00",
          "utc": "2021-05-09T14:00:59Z",
          "ms": 1620568858968.457
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-05-08",
          "window": {
            "start": {
              "local": "2021-05-08T19:30:02+08:00",
              "utc": "2021-05-08T11:30:02Z",
              "ms": 1620473402270.9216
            },
            "end": {
              "local": "2021-05-08T20:55:01+08:00",
              "utc": "2021-05-08T12:55:01Z",
              "ms": 1620478500932.6577
            }
          },
          "covered_min": 64,
          "window_min": 85,
          "qualifies": true
        },
        {
          "local_date": "2021-05-09",
          "window": {
            "start": {
              "local": "2021-05-09T19:30:37+08:00",
              "utc": "2021-05-09T11:30:37Z",
              "ms": 1620559837350.8433
            },
            "end": {
              "local": "2021-05-09T20:55:26+08:00",
              "utc": "2021-05-09T12:55:26Z",
              "ms": 1620564925998.2976
            }
          },
          "covered_min": 85,
          "window_min": 85,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 19:51 on Sat 8 May to 22:01 on Sun 9 May.",
          "fact": "2021-05-08T11:51:12Z → 2021-05-09T14:00:59Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:30–20:55 on the 8th, 19:31–20:55 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 64 of 85 minutes on the 8th and 85 of 85 on the 9th.",
          "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 1270 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2021: Sunday 9 May.",
          "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": "2021-05-09",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-05-09",
          "confidence": "boundary"
        }
      ],
      "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2021 falls on Sunday 9 May. Trayodaśī runs from 19:51 on Sat 8 May to 22:01 on Sun 9 May and covers all of pradoṣa that evening. It also reaches the previous evening for 64 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/zunyi/festivals/2021/pradosha-vrata?on=2021-05-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/shivaratri?on=2021-05-09",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-05-09",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin",
        "tie-break-unstated"
      ],
      "boundary_margin_s": 74,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2021-05-09T22:00:59+08:00",
          "utc": "2021-05-09T14:00:59Z",
          "ms": 1620568858968.457
        },
        "end": {
          "local": "2021-05-11T00:25:52+08:00",
          "utc": "2021-05-10T16:25:52Z",
          "ms": 1620663952011.7986
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-05-09T22:00:59+08:00",
          "utc": "2021-05-09T14:00:59Z",
          "ms": 1620568858968.457
        },
        "end": {
          "local": "2021-05-11T00:25:52+08:00",
          "utc": "2021-05-10T16:25:52Z",
          "ms": 1620663952011.7986
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2021-05-09",
          "window": {
            "start": {
              "local": "2021-05-10T00:24:40+08:00",
              "utc": "2021-05-09T16:24:40Z",
              "ms": 1620577479778.797
            },
            "end": {
              "local": "2021-05-10T01:12:40+08:00",
              "utc": "2021-05-09T17:12:40Z",
              "ms": 1620580359778.797
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-05-10",
          "window": {
            "start": {
              "local": "2021-05-11T00:24:38+08:00",
              "utc": "2021-05-10T16:24:38Z",
              "ms": 1620663877887.199
            },
            "end": {
              "local": "2021-05-11T01:12:38+08:00",
              "utc": "2021-05-10T17:12:38Z",
              "ms": 1620666757887.199
            }
          },
          "covered_min": 1,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 22:01 on Sun 9 May to 00:26 on Tue 11 May.",
          "fact": "2021-05-09T14:00:59Z → 2021-05-10T16:25:52Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:25–01:13 on the 9th, 00:25–01:13 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 1 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 74 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Zunyi, 2021: Sunday 9 May.",
          "fact": "confidence: boundary (margin, tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-05-09",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-05-09",
          "confidence": "boundary"
        }
      ],
      "quote": "In Zunyi, Śivarātri 2021 falls on Sunday 9 May. Caturdaśī runs from 22:01 on Sun 9 May to 00:26 on Tue 11 May and covers all of niśītha that night. It also reaches the next night for 1 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 1 min 14 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/shivaratri?on=2021-05-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/parashurama-jayanti",
      "festival": "parashurama-jayanti",
      "name": "Paraśurāma Jayantī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-05-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32639,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2021-05-14T08:09:06+08:00",
          "utc": "2021-05-14T00:09:06Z",
          "ms": 1620950945852.762
        },
        "end": {
          "local": "2021-05-15T10:30:08+08:00",
          "utc": "2021-05-15T02:30:08Z",
          "ms": 1621045808258.3865
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-05-14T08:09:06+08:00",
          "utc": "2021-05-14T00:09:06Z",
          "ms": 1620950945852.762
        },
        "end": {
          "local": "2021-05-15T10:30:08+08:00",
          "utc": "2021-05-15T02:30:08Z",
          "ms": 1621045808258.3865
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-05-14",
          "window": {
            "start": {
              "local": "2021-05-14T19:33:33+08:00",
              "utc": "2021-05-14T11:33:33Z",
              "ms": 1620992012662.9993
            },
            "end": {
              "local": "2021-05-14T20:57:34+08:00",
              "utc": "2021-05-14T12:57:34Z",
              "ms": 1620997053573.9678
            }
          },
          "covered_min": 84,
          "window_min": 84,
          "qualifies": true
        },
        {
          "local_date": "2021-05-15",
          "window": {
            "start": {
              "local": "2021-05-15T19:34:08+08:00",
              "utc": "2021-05-15T11:34:08Z",
              "ms": 1621078447558.4414
            },
            "end": {
              "local": "2021-05-15T20:57:59+08:00",
              "utc": "2021-05-15T12:57:59Z",
              "ms": 1621083479421.2175
            }
          },
          "covered_min": 0,
          "window_min": 84,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 08:09 on Fri 14 May to 10:30 on Sat 15 May.",
          "fact": "2021-05-14T00:09:06Z → 2021-05-15T02:30:08Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:34–20:58 on the 14th, 19:34–20:58 on the 15th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pradoṣa. It covers 84 of 84 minutes on the 14th and 0 of 84 on the 15th.",
          "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 32639 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Jayantī, Zunyi, 2021: Friday 14 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "parashurama-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)."
          }
        ],
        "kaala": "pradosha",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-05-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-05-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Paraśurāma Jayantī 2021 falls on Friday 14 May. Tṛtīyā runs from 08:09 on Fri 14 May to 10:30 on Sat 15 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/akshaya-tritiya",
      "festival": "akshaya-tritiya",
      "name": "Akṣaya Tṛtīyā",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-05-15",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 221,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2021-05-14T08:09:06+08:00",
          "utc": "2021-05-14T00:09:06Z",
          "ms": 1620950945852.762
        },
        "end": {
          "local": "2021-05-15T10:30:08+08:00",
          "utc": "2021-05-15T02:30:08Z",
          "ms": 1621045808258.3865
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-05-14T08:09:06+08:00",
          "utc": "2021-05-14T00:09:06Z",
          "ms": 1620950945852.762
        },
        "end": {
          "local": "2021-05-15T10:30:08+08:00",
          "utc": "2021-05-15T02:30:08Z",
          "ms": 1621045808258.3865
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2021-05-14",
          "window": {
            "start": {
              "local": "2021-05-14T06:04:14+08:00",
              "utc": "2021-05-13T22:04:14Z",
              "ms": 1620943453669.6917
            },
            "end": {
              "local": "2021-05-14T10:34:00+08:00",
              "utc": "2021-05-14T02:34:00Z",
              "ms": 1620959640000.7942
            }
          },
          "covered_min": 145,
          "window_min": 270,
          "qualifies": true
        },
        {
          "local_date": "2021-05-15",
          "window": {
            "start": {
              "local": "2021-05-15T06:03:39+08:00",
              "utc": "2021-05-14T22:03:39Z",
              "ms": 1621029819495.2632
            },
            "end": {
              "local": "2021-05-15T10:33:49+08:00",
              "utc": "2021-05-15T02:33:49Z",
              "ms": 1621046028849.656
            }
          },
          "covered_min": 266,
          "window_min": 270,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 08:09 on Fri 14 May to 10:30 on Sat 15 May.",
          "fact": "2021-05-14T00:09:06Z → 2021-05-15T02:30:08Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:04–10:34 on the 14th, 06:04–10:34 on the 15th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 145 of 270 minutes on the 14th and 266 of 270 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Both forenoons qualify. Paraviddhā: the second is taken.",
          "fact": "priority: paraviddha → paraviddha · margin 221 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Tṛtīyā, Zunyi, 2021: Saturday 15 May.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "2021-05-15",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-05-15",
          "confidence": "boundary"
        }
      ],
      "quote": "In Zunyi, Akṣaya Tṛtīyā 2021 falls on Saturday 15 May. Tṛtīyā runs from 08:09 on Fri 14 May to 10:30 on Sat 15 May and covers 266 of 270 minutes of pūrvāhṇa that forenoon. It also reaches the previous forenoon for 145 minutes; by the rule the second forenoon is taken. It is 3 min 41 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/vinayaka-chaturthi?on=2021-05-15",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-05-15",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 397,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-05-15T10:30:08+08:00",
          "utc": "2021-05-15T02:30:08Z",
          "ms": 1621045808258.3865
        },
        "end": {
          "local": "2021-05-16T12:31:31+08:00",
          "utc": "2021-05-16T04:31:31Z",
          "ms": 1621139491001.7747
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-05-15T10:30:08+08:00",
          "utc": "2021-05-15T02:30:08Z",
          "ms": 1621045808258.3865
        },
        "end": {
          "local": "2021-05-16T12:31:31+08:00",
          "utc": "2021-05-16T04:31:31Z",
          "ms": 1621139491001.7747
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-05-15",
          "window": {
            "start": {
              "local": "2021-05-15T12:24:54+08:00",
              "utc": "2021-05-15T04:24:54Z",
              "ms": 1621052693526.8523
            },
            "end": {
              "local": "2021-05-15T13:12:54+08:00",
              "utc": "2021-05-15T05:12:54Z",
              "ms": 1621055573526.8523
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-05-16",
          "window": {
            "start": {
              "local": "2021-05-16T12:24:54+08:00",
              "utc": "2021-05-16T04:24:54Z",
              "ms": 1621139094436.749
            },
            "end": {
              "local": "2021-05-16T13:12:54+08:00",
              "utc": "2021-05-16T05:12:54Z",
              "ms": 1621141974436.749
            }
          },
          "covered_min": 7,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 10:30 on Sat 15 May to 12:32 on Sun 16 May.",
          "fact": "2021-05-15T02:30:08Z → 2021-05-16T04:31:31Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 15th, 12:25–13:13 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 48 of 48 minutes on the 15th and 7 of 48 on the 16th.",
          "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 397 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Zunyi, 2021: Saturday 15 May.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-05-15",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-05-15",
          "confidence": "boundary"
        }
      ],
      "quote": "In Zunyi, Vināyaka Caturthī 2021 falls on Saturday 15 May. Caturthī runs from 10:30 on Sat 15 May to 12:32 on Sun 16 May and covers all of madhyāhna that midday. It also reaches the next midday for 7 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/vinayaka-chaturthi?on=2021-05-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/shankara-jayanti",
      "festival": "shankara-jayanti",
      "name": "Śaṅkara Jayantī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-05-17",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 397,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2021-05-16T12:31:31+08:00",
          "utc": "2021-05-16T04:31:31Z",
          "ms": 1621139491001.7747
        },
        "end": {
          "local": "2021-05-17T14:05:04+08:00",
          "utc": "2021-05-17T06:05:04Z",
          "ms": 1621231504141.196
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-05-16T12:31:31+08:00",
          "utc": "2021-05-16T04:31:31Z",
          "ms": 1621139491001.7747
        },
        "end": {
          "local": "2021-05-17T14:05:04+08:00",
          "utc": "2021-05-17T06:05:04Z",
          "ms": 1621231504141.196
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-05-16",
          "window": {
            "start": {
              "local": "2021-05-16T12:24:54+08:00",
              "utc": "2021-05-16T04:24:54Z",
              "ms": 1621139094436.749
            },
            "end": {
              "local": "2021-05-16T13:12:54+08:00",
              "utc": "2021-05-16T05:12:54Z",
              "ms": 1621141974436.749
            }
          },
          "covered_min": 41,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-05-17",
          "window": {
            "start": {
              "local": "2021-05-17T12:24:56+08:00",
              "utc": "2021-05-17T04:24:56Z",
              "ms": 1621225495889.3975
            },
            "end": {
              "local": "2021-05-17T13:12:56+08:00",
              "utc": "2021-05-17T05:12:56Z",
              "ms": 1621228375889.3975
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 12:32 on Sun 16 May to 14:05 on Mon 17 May.",
          "fact": "2021-05-16T04:31:31Z → 2021-05-17T06:05:04Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 16th, 12:25–13:13 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 41 of 48 minutes on the 16th and 48 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 397 s"
        },
        {
          "step": "ruling",
          "text": "Śaṅkara Jayantī, Zunyi, 2021: Monday 17 May.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "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": "2021-05-17",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-05-17",
          "confidence": "boundary"
        }
      ],
      "quote": "In Zunyi, Śaṅkara Jayantī 2021 falls on Monday 17 May. Pañcamī runs from 12:32 on Sun 16 May to 14:05 on Mon 17 May and covers all of madhyāhna that midday. It also reaches the previous midday for 41 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/zunyi/festivals/2021/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": "/zunyi/festivals/2021/gangotpatti",
      "festival": "gangotpatti",
      "name": "Gaṅgotpatti",
      "everyday": "Ganga Saptami",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-05-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6623,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2021-05-18T15:03:21+08:00",
          "utc": "2021-05-18T07:03:21Z",
          "ms": 1621321401331.7256
        },
        "end": {
          "local": "2021-05-19T15:20:35+08:00",
          "utc": "2021-05-19T07:20:35Z",
          "ms": 1621408834964.978
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-05-18T15:03:21+08:00",
          "utc": "2021-05-18T07:03:21Z",
          "ms": 1621321401331.7256
        },
        "end": {
          "local": "2021-05-19T15:20:35+08:00",
          "utc": "2021-05-19T07:20:35Z",
          "ms": 1621408834964.978
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-05-18",
          "window": {
            "start": {
              "local": "2021-05-18T12:24:58+08:00",
              "utc": "2021-05-18T04:24:58Z",
              "ms": 1621311897877.6938
            },
            "end": {
              "local": "2021-05-18T13:12:58+08:00",
              "utc": "2021-05-18T05:12:58Z",
              "ms": 1621314777877.6938
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-05-19",
          "window": {
            "start": {
              "local": "2021-05-19T12:25:00+08:00",
              "utc": "2021-05-19T04:25:00Z",
              "ms": 1621398300394.183
            },
            "end": {
              "local": "2021-05-19T13:13:00+08:00",
              "utc": "2021-05-19T05:13:00Z",
              "ms": 1621401180394.183
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 15:03 on Tue 18 May to 15:21 on Wed 19 May.",
          "fact": "2021-05-18T07:03:21Z → 2021-05-19T07:20:35Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 18th, 12:25–13:13 on the 19th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 6623 s"
        },
        {
          "step": "ruling",
          "text": "Gaṅgotpatti, Zunyi, 2021: Wednesday 19 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "gangotpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-05-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-05-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Gaṅgotpatti (Ganga Saptami) 2021 falls on Wednesday 19 May. Saptamī runs from 15:03 on Tue 18 May to 15:21 on Wed 19 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/ekadashi?on=2021-05-23",
      "festival": "ekadashi",
      "name": "Mohinī Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-05-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11605,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-05-22T11:46:13+08:00",
          "utc": "2021-05-22T03:46:13Z",
          "ms": 1621655172575.0205
        },
        "end": {
          "local": "2021-05-23T09:13:16+08:00",
          "utc": "2021-05-23T01:13:16Z",
          "ms": 1621732395961.6309
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-05-22T11:46:13+08:00",
          "utc": "2021-05-22T03:46:13Z",
          "ms": 1621655172575.0205
        },
        "end": {
          "local": "2021-05-23T09:13:16+08:00",
          "utc": "2021-05-23T01:13:16Z",
          "ms": 1621732395961.6309
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-05-22",
          "window": {
            "start": {
              "local": "2021-05-22T06:00:15+08:00",
              "utc": "2021-05-21T22:00:15Z",
              "ms": 1621634414709.8093
            },
            "end": {
              "local": "2021-05-22T06:00:15+08:00",
              "utc": "2021-05-21T22:00:15Z",
              "ms": 1621634414709.8093
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2021-05-23",
          "window": {
            "start": {
              "local": "2021-05-23T05:59:50+08:00",
              "utc": "2021-05-22T21:59:50Z",
              "ms": 1621720790495.1191
            },
            "end": {
              "local": "2021-05-23T05:59:50+08:00",
              "utc": "2021-05-22T21:59:50Z",
              "ms": 1621720790495.1191
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 11:46 on Sat 22 May to 09:13 on Sun 23 May.",
          "fact": "2021-05-22T03:46:13Z → 2021-05-23T01:13:16Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:00 on the 22nd and 06:00 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 11605 s"
        },
        {
          "step": "ruling",
          "text": "Mohinī Ekādaśī, Zunyi, 2021: Sunday 23 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-05-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-05-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Mohinī Ekādaśī 2021 falls on Sunday 23 May. Ekādaśī runs from 11:46 on Sat 22 May to 09:13 on Sun 23 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-05-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/parashurama-dvadashi",
      "festival": "parashurama-dvadashi",
      "name": "Paraśurāma Dvādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-05-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11520,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2021-05-23T09:13:16+08:00",
          "utc": "2021-05-23T01:13:16Z",
          "ms": 1621732395961.6309
        },
        "end": {
          "local": "2021-05-24T06:09:02+08:00",
          "utc": "2021-05-23T22:09:02Z",
          "ms": 1621807741899.7556
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-05-23T09:13:16+08:00",
          "utc": "2021-05-23T01:13:16Z",
          "ms": 1621732395961.6309
        },
        "end": {
          "local": "2021-05-24T06:09:02+08:00",
          "utc": "2021-05-23T22:09:02Z",
          "ms": 1621807741899.7556
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-05-23",
          "window": {
            "start": {
              "local": "2021-05-23T12:25:16+08:00",
              "utc": "2021-05-23T04:25:16Z",
              "ms": 1621743915590.167
            },
            "end": {
              "local": "2021-05-23T13:13:16+08:00",
              "utc": "2021-05-23T05:13:16Z",
              "ms": 1621746795590.167
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-05-24",
          "window": {
            "start": {
              "local": "2021-05-24T12:25:21+08:00",
              "utc": "2021-05-24T04:25:21Z",
              "ms": 1621830320635.804
            },
            "end": {
              "local": "2021-05-24T13:13:21+08:00",
              "utc": "2021-05-24T05:13:21Z",
              "ms": 1621833200635.804
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 09:13 on Sun 23 May to 06:09 on Mon 24 May.",
          "fact": "2021-05-23T01:13:16Z → 2021-05-23T22:09:02Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 23rd, 12:25–13:13 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 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 11520 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Dvādaśī, Zunyi, 2021: Sunday 23 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "parashurama-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-05-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-05-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Paraśurāma Dvādaśī 2021 falls on Sunday 23 May. Dvādaśī runs from 09:13 on Sun 23 May to 06:09 on Mon 24 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/rukmini-dvadashi",
      "festival": "rukmini-dvadashi",
      "name": "Rukmiṇī Dvādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-05-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11520,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2021-05-23T09:13:16+08:00",
          "utc": "2021-05-23T01:13:16Z",
          "ms": 1621732395961.6309
        },
        "end": {
          "local": "2021-05-24T06:09:02+08:00",
          "utc": "2021-05-23T22:09:02Z",
          "ms": 1621807741899.7556
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-05-23T09:13:16+08:00",
          "utc": "2021-05-23T01:13:16Z",
          "ms": 1621732395961.6309
        },
        "end": {
          "local": "2021-05-24T06:09:02+08:00",
          "utc": "2021-05-23T22:09:02Z",
          "ms": 1621807741899.7556
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-05-23",
          "window": {
            "start": {
              "local": "2021-05-23T12:25:16+08:00",
              "utc": "2021-05-23T04:25:16Z",
              "ms": 1621743915590.167
            },
            "end": {
              "local": "2021-05-23T13:13:16+08:00",
              "utc": "2021-05-23T05:13:16Z",
              "ms": 1621746795590.167
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-05-24",
          "window": {
            "start": {
              "local": "2021-05-24T12:25:21+08:00",
              "utc": "2021-05-24T04:25:21Z",
              "ms": 1621830320635.804
            },
            "end": {
              "local": "2021-05-24T13:13:21+08:00",
              "utc": "2021-05-24T05:13:21Z",
              "ms": 1621833200635.804
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 09:13 on Sun 23 May to 06:09 on Mon 24 May.",
          "fact": "2021-05-23T01:13:16Z → 2021-05-23T22:09:02Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 23rd, 12:25–13:13 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 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 11520 s"
        },
        {
          "step": "ruling",
          "text": "Rukmiṇī Dvādaśī, Zunyi, 2021: Sunday 23 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "rukmini-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Parasurama dvadasi (purvaviddha), Rukmini dvadasi (purvaviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-05-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-05-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Rukmiṇī Dvādaśī 2021 falls on Sunday 23 May. Dvādaśī runs from 09:13 on Sun 23 May to 06:09 on Mon 24 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/pradosha-vrata?on=2021-05-24",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-05-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20385,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-05-24T06:09:02+08:00",
          "utc": "2021-05-23T22:09:02Z",
          "ms": 1621807741899.7556
        },
        "end": {
          "local": "2021-05-25T02:41:37+08:00",
          "utc": "2021-05-24T18:41:37Z",
          "ms": 1621881697181.3513
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-05-24T06:09:02+08:00",
          "utc": "2021-05-23T22:09:02Z",
          "ms": 1621807741899.7556
        },
        "end": {
          "local": "2021-05-25T02:41:37+08:00",
          "utc": "2021-05-24T18:41:37Z",
          "ms": 1621881697181.3513
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-05-23",
          "window": {
            "start": {
              "local": "2021-05-23T19:38:41+08:00",
              "utc": "2021-05-23T11:38:41Z",
              "ms": 1621769920685.215
            },
            "end": {
              "local": "2021-05-23T21:01:27+08:00",
              "utc": "2021-05-23T13:01:27Z",
              "ms": 1621774886936.3804
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        },
        {
          "local_date": "2021-05-24",
          "window": {
            "start": {
              "local": "2021-05-24T19:39:14+08:00",
              "utc": "2021-05-24T11:39:14Z",
              "ms": 1621856353702.6526
            },
            "end": {
              "local": "2021-05-24T21:01:53+08:00",
              "utc": "2021-05-24T13:01:53Z",
              "ms": 1621861312667.6775
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 06:09 on Mon 24 May to 02:42 on Tue 25 May.",
          "fact": "2021-05-23T22:09:02Z → 2021-05-24T18:41:37Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:39–21:01 on the 23rd, 19:39–21:02 on the 24th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 83 minutes on the 23rd and 83 of 83 on the 24th.",
          "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 20385 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Zunyi, 2021: Monday 24 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-05-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-05-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Śukla Pradoṣa Vrata 2021 falls on Monday 24 May. Trayodaśī runs from 06:09 on Mon 24 May to 02:42 on Tue 25 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/pradosha-vrata?on=2021-05-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/nrisimha-chaturdashi",
      "festival": "nrisimha-chaturdashi",
      "name": "Nṛsiṃha Caturdaśī",
      "everyday": "Narasimha Jayanti",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-05-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7065,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2021-05-25T02:41:37+08:00",
          "utc": "2021-05-24T18:41:37Z",
          "ms": 1621881697181.3513
        },
        "end": {
          "local": "2021-05-25T23:00:03+08:00",
          "utc": "2021-05-25T15:00:03Z",
          "ms": 1621954803461.4626
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-05-25T02:41:37+08:00",
          "utc": "2021-05-24T18:41:37Z",
          "ms": 1621881697181.3513
        },
        "end": {
          "local": "2021-05-25T23:00:03+08:00",
          "utc": "2021-05-25T15:00:03Z",
          "ms": 1621954803461.4626
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-05-24",
          "window": {
            "start": {
              "local": "2021-05-24T19:39:14+08:00",
              "utc": "2021-05-24T11:39:14Z",
              "ms": 1621856353702.6526
            },
            "end": {
              "local": "2021-05-24T21:01:53+08:00",
              "utc": "2021-05-24T13:01:53Z",
              "ms": 1621861312667.6775
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        },
        {
          "local_date": "2021-05-25",
          "window": {
            "start": {
              "local": "2021-05-25T19:39:46+08:00",
              "utc": "2021-05-25T11:39:46Z",
              "ms": 1621942786394.11
            },
            "end": {
              "local": "2021-05-25T21:02:18+08:00",
              "utc": "2021-05-25T13:02:18Z",
              "ms": 1621947738290.626
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 02:42 on Tue 25 May to 23:00 on Tue 25 May.",
          "fact": "2021-05-24T18:41:37Z → 2021-05-25T15:00:03Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:39–21:02 on the 24th, 19:40–21:02 on the 25th.",
          "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 83 minutes on the 24th and 83 of 83 on the 25th.",
          "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 7065 s"
        },
        {
          "step": "ruling",
          "text": "Nṛsiṃha Caturdaśī, Zunyi, 2021: Tuesday 25 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "nrisimha-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 14 Nrsimha caturdasi (pradosa vyapini — if it occurs on two successive days, the second day is to be observed, special when combined with naksatra 'Svati', yoga 'Siddhi' and 'Saturday')."
          }
        ],
        "not_evaluated": "The row calls the day special with Svātī nakṣatra, Siddhi yoga and a Saturday; none is tested.",
        "kaala": "pradosha",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-05-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-05-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2021 falls on Tuesday 25 May. Caturdaśī runs from 02:42 on Tue 25 May to 23:00 on Tue 25 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/buddha-purnima",
      "festival": "buddha-purnima",
      "name": "Buddha Pūrṇimā",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-05-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21621,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2021-05-25T23:00:03+08:00",
          "utc": "2021-05-25T15:00:03Z",
          "ms": 1621954803461.4626
        },
        "end": {
          "local": "2021-05-26T19:13:53+08:00",
          "utc": "2021-05-26T11:13:53Z",
          "ms": 1622027633036.464
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-05-25T23:00:03+08:00",
          "utc": "2021-05-25T15:00:03Z",
          "ms": 1621954803461.4626
        },
        "end": {
          "local": "2021-05-26T19:13:53+08:00",
          "utc": "2021-05-26T11:13:53Z",
          "ms": 1622027633036.464
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-05-25",
          "window": {
            "start": {
              "local": "2021-05-25T12:25:26+08:00",
              "utc": "2021-05-25T04:25:26Z",
              "ms": 1621916726167.225
            },
            "end": {
              "local": "2021-05-25T13:13:26+08:00",
              "utc": "2021-05-25T05:13:26Z",
              "ms": 1621919606167.225
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-05-26",
          "window": {
            "start": {
              "local": "2021-05-26T12:25:32+08:00",
              "utc": "2021-05-26T04:25:32Z",
              "ms": 1622003132178.412
            },
            "end": {
              "local": "2021-05-26T13:13:32+08:00",
              "utc": "2021-05-26T05:13:32Z",
              "ms": 1622006012178.412
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 23:00 on Tue 25 May to 19:14 on Wed 26 May.",
          "fact": "2021-05-25T15:00:03Z → 2021-05-26T11:13:53Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 25th, 12:26–13:14 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 0 of 48 minutes on the 25th and 48 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 21621 s"
        },
        {
          "step": "ruling",
          "text": "Buddha Pūrṇimā, Zunyi, 2021: Wednesday 26 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "buddha-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-05-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-05-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Buddha Pūrṇimā 2021 falls on Wednesday 26 May. Pūrṇimā runs from 23:00 on Tue 25 May to 19:14 on Wed 26 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/sampat-gauri-vrata",
      "festival": "sampat-gauri-vrata",
      "name": "Sampat Gaurī Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-05-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21621,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2021-05-25T23:00:03+08:00",
          "utc": "2021-05-25T15:00:03Z",
          "ms": 1621954803461.4626
        },
        "end": {
          "local": "2021-05-26T19:13:53+08:00",
          "utc": "2021-05-26T11:13:53Z",
          "ms": 1622027633036.464
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-05-25T23:00:03+08:00",
          "utc": "2021-05-25T15:00:03Z",
          "ms": 1621954803461.4626
        },
        "end": {
          "local": "2021-05-26T19:13:53+08:00",
          "utc": "2021-05-26T11:13:53Z",
          "ms": 1622027633036.464
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-05-25",
          "window": {
            "start": {
              "local": "2021-05-25T12:25:26+08:00",
              "utc": "2021-05-25T04:25:26Z",
              "ms": 1621916726167.225
            },
            "end": {
              "local": "2021-05-25T13:13:26+08:00",
              "utc": "2021-05-25T05:13:26Z",
              "ms": 1621919606167.225
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-05-26",
          "window": {
            "start": {
              "local": "2021-05-26T12:25:32+08:00",
              "utc": "2021-05-26T04:25:32Z",
              "ms": 1622003132178.412
            },
            "end": {
              "local": "2021-05-26T13:13:32+08:00",
              "utc": "2021-05-26T05:13:32Z",
              "ms": 1622006012178.412
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 23:00 on Tue 25 May to 19:14 on Wed 26 May.",
          "fact": "2021-05-25T15:00:03Z → 2021-05-26T11:13:53Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 25th, 12:26–13:14 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 0 of 48 minutes on the 25th and 48 of 48 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 21621 s"
        },
        {
          "step": "ruling",
          "text": "Sampat Gaurī Vrata, Zunyi, 2021: Wednesday 26 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sampat-gauri-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Sampat gauri vrata (paraviddha), Phuladola (Bengal & Orissa) (paraviddha), Gandhesvari puja (Bengal) (purvaviddha), Buddha purnima, Vaisakhi purnima."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-05-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-05-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Sampat Gaurī Vrata 2021 falls on Wednesday 26 May. Pūrṇimā runs from 23:00 on Tue 25 May to 19:14 on Wed 26 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/sankashta-chaturthi?on=2021-05-29",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-05-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27169,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-05-29T09:04:01+08:00",
          "utc": "2021-05-29T01:04:01Z",
          "ms": 1622250241361.701
        },
        "end": {
          "local": "2021-05-30T06:33:49+08:00",
          "utc": "2021-05-29T22:33:49Z",
          "ms": 1622327629244.8508
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-05-29T09:04:01+08:00",
          "utc": "2021-05-29T01:04:01Z",
          "ms": 1622250241361.701
        },
        "end": {
          "local": "2021-05-30T06:33:49+08:00",
          "utc": "2021-05-29T22:33:49Z",
          "ms": 1622327629244.8508
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2021-05-28",
          "window": {
            "start": {
              "local": "2021-05-28T21:59:33+08:00",
              "utc": "2021-05-28T13:59:33Z",
              "ms": 1622210373127.558
            },
            "end": {
              "local": "2021-05-28T21:59:33+08:00",
              "utc": "2021-05-28T13:59:33Z",
              "ms": 1622210373127.558
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2021-05-29",
          "window": {
            "start": {
              "local": "2021-05-29T23:01:00+08:00",
              "utc": "2021-05-29T15:01:00Z",
              "ms": 1622300460368.2507
            },
            "end": {
              "local": "2021-05-29T23:01:00+08:00",
              "utc": "2021-05-29T15:01:00Z",
              "ms": 1622300460368.2507
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 09:04 on Sat 29 May to 06:34 on Sun 30 May.",
          "fact": "2021-05-29T01:04:01Z → 2021-05-29T22:33:49Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 22:00 on the 28th and 23:01 on the 29th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 27169 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Zunyi, 2021: Saturday 29 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": "2021-05-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-05-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2021 falls on Saturday 29 May. Caturthī runs from 09:04 on Sat 29 May to 06:34 on Sun 30 May and is current at moonrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/sankashta-chaturthi?on=2021-05-29",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/ekadashi?on=2021-06-06",
      "festival": "ekadashi",
      "name": "Aparā Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-06-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2476,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-06-05T06:37:51+08:00",
          "utc": "2021-06-04T22:37:51Z",
          "ms": 1622846271450.116
        },
        "end": {
          "local": "2021-06-06T08:49:54+08:00",
          "utc": "2021-06-06T00:49:54Z",
          "ms": 1622940593733.1443
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-06-05T06:37:51+08:00",
          "utc": "2021-06-04T22:37:51Z",
          "ms": 1622846271450.116
        },
        "end": {
          "local": "2021-06-06T08:49:54+08:00",
          "utc": "2021-06-06T00:49:54Z",
          "ms": 1622940593733.1443
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-06-05",
          "window": {
            "start": {
              "local": "2021-06-05T05:56:36+08:00",
              "utc": "2021-06-04T21:56:36Z",
              "ms": 1622843795502.826
            },
            "end": {
              "local": "2021-06-05T05:56:36+08:00",
              "utc": "2021-06-04T21:56:36Z",
              "ms": 1622843795502.826
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2021-06-06",
          "window": {
            "start": {
              "local": "2021-06-06T05:56:30+08:00",
              "utc": "2021-06-05T21:56:30Z",
              "ms": 1622930189816.0862
            },
            "end": {
              "local": "2021-06-06T05:56:30+08:00",
              "utc": "2021-06-05T21:56:30Z",
              "ms": 1622930189816.0862
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 06:38 on Sat 5 Jun to 08:50 on Sun 6 Jun.",
          "fact": "2021-06-04T22:37:51Z → 2021-06-06T00:49:54Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:57 on the 5th and 05:56 on the 6th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 5th and is on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 2476 s"
        },
        {
          "step": "ruling",
          "text": "Aparā Ekādaśī, Zunyi, 2021: Sunday 6 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": "2021-06-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-06-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Aparā Ekādaśī 2021 falls on Sunday 6 June. Ekādaśī runs from 06:38 on Sat 5 Jun to 08:50 on Sun 6 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-06-06",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/pradosha-vrata?on=2021-06-07",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-06-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21115,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-06-07T11:18:49+08:00",
          "utc": "2021-06-07T03:18:49Z",
          "ms": 1623035928950.0876
        },
        "end": {
          "local": "2021-06-08T13:54:41+08:00",
          "utc": "2021-06-08T05:54:41Z",
          "ms": 1623131680828.0828
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-06-07T11:18:49+08:00",
          "utc": "2021-06-07T03:18:49Z",
          "ms": 1623035928950.0876
        },
        "end": {
          "local": "2021-06-08T13:54:41+08:00",
          "utc": "2021-06-08T05:54:41Z",
          "ms": 1623131680828.0828
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-06-07",
          "window": {
            "start": {
              "local": "2021-06-07T19:46:11+08:00",
              "utc": "2021-06-07T11:46:11Z",
              "ms": 1623066370800.1016
            },
            "end": {
              "local": "2021-06-07T21:07:32+08:00",
              "utc": "2021-06-07T13:07:32Z",
              "ms": 1623071252341.777
            }
          },
          "covered_min": 81,
          "window_min": 81,
          "qualifies": true
        },
        {
          "local_date": "2021-06-08",
          "window": {
            "start": {
              "local": "2021-06-08T19:46:36+08:00",
              "utc": "2021-06-08T11:46:36Z",
              "ms": 1623152796236.337
            },
            "end": {
              "local": "2021-06-08T21:07:54+08:00",
              "utc": "2021-06-08T13:07:54Z",
              "ms": 1623157674147.8076
            }
          },
          "covered_min": 0,
          "window_min": 81,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 11:19 on Mon 7 Jun to 13:55 on Tue 8 Jun.",
          "fact": "2021-06-07T03:18:49Z → 2021-06-08T05:54:41Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:46–21:08 on the 7th, 19:47–21:08 on the 8th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 81 of 81 minutes on the 7th and 0 of 81 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 21115 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2021: Monday 7 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": "2021-06-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-06-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2021 falls on Monday 7 June. Trayodaśī runs from 11:19 on Mon 7 Jun to 13:55 on Tue 8 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/pradosha-vrata?on=2021-06-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/shivaratri?on=2021-06-08",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-06-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28751,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2021-06-08T13:54:41+08:00",
          "utc": "2021-06-08T05:54:41Z",
          "ms": 1623131680828.0828
        },
        "end": {
          "local": "2021-06-09T16:28:30+08:00",
          "utc": "2021-06-09T08:28:30Z",
          "ms": 1623227309684.2292
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-06-08T13:54:41+08:00",
          "utc": "2021-06-08T05:54:41Z",
          "ms": 1623131680828.0828
        },
        "end": {
          "local": "2021-06-09T16:28:30+08:00",
          "utc": "2021-06-09T08:28:30Z",
          "ms": 1623227309684.2292
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2021-06-08",
          "window": {
            "start": {
              "local": "2021-06-09T00:27:28+08:00",
              "utc": "2021-06-08T16:27:28Z",
              "ms": 1623169648404.352
            },
            "end": {
              "local": "2021-06-09T01:15:28+08:00",
              "utc": "2021-06-08T17:15:28Z",
              "ms": 1623172528404.352
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-06-09",
          "window": {
            "start": {
              "local": "2021-06-10T00:27:40+08:00",
              "utc": "2021-06-09T16:27:40Z",
              "ms": 1623256060487.5679
            },
            "end": {
              "local": "2021-06-10T01:15:40+08:00",
              "utc": "2021-06-09T17:15:40Z",
              "ms": 1623258940487.5679
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 13:55 on Tue 8 Jun to 16:28 on Wed 9 Jun.",
          "fact": "2021-06-08T05:54:41Z → 2021-06-09T08:28:30Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:27–01:15 on the 8th, 00:28–01:16 on the 9th.",
          "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 8th and 0 of 48 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 28751 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Zunyi, 2021: Tuesday 8 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": "2021-06-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-06-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Śivarātri 2021 falls on Tuesday 8 June. Caturdaśī runs from 13:55 on Tue 8 Jun to 16:28 on Wed 9 Jun and covers all of niśītha that night.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/shivaratri?on=2021-06-08",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/rambha-tritiya",
      "festival": "rambha-tritiya",
      "name": "Rambhā Tṛtīyā",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-06-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34325,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2021-06-12T22:48:22+08:00",
          "utc": "2021-06-12T14:48:22Z",
          "ms": 1623509301776.2212
        },
        "end": {
          "local": "2021-06-14T00:10:46+08:00",
          "utc": "2021-06-13T16:10:46Z",
          "ms": 1623600646294.1929
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-06-12T22:48:22+08:00",
          "utc": "2021-06-12T14:48:22Z",
          "ms": 1623509301776.2212
        },
        "end": {
          "local": "2021-06-14T00:10:46+08:00",
          "utc": "2021-06-13T16:10:46Z",
          "ms": 1623600646294.1929
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-06-12",
          "window": {
            "start": {
              "local": "2021-06-12T12:28:16+08:00",
              "utc": "2021-06-12T04:28:16Z",
              "ms": 1623472096447.5874
            },
            "end": {
              "local": "2021-06-12T13:16:16+08:00",
              "utc": "2021-06-12T05:16:16Z",
              "ms": 1623474976447.5874
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-06-13",
          "window": {
            "start": {
              "local": "2021-06-13T12:28:29+08:00",
              "utc": "2021-06-13T04:28:29Z",
              "ms": 1623558508717.4202
            },
            "end": {
              "local": "2021-06-13T13:16:29+08:00",
              "utc": "2021-06-13T05:16:29Z",
              "ms": 1623561388717.4202
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 22:48 on Sat 12 Jun to 00:11 on Mon 14 Jun.",
          "fact": "2021-06-12T14:48:22Z → 2021-06-13T16:10:46Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 12th, 12:28–13:16 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. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 34325 s"
        },
        {
          "step": "ruling",
          "text": "Rambhā Tṛtīyā, Zunyi, 2021: Sunday 13 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": "2021-06-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-06-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Rambhā Tṛtīyā 2021 falls on Sunday 13 June. Tṛtīyā runs from 22:48 on Sat 12 Jun to 00:11 on Mon 14 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/vinayaka-chaturthi?on=2021-06-14",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-06-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 39258,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-06-14T00:10:46+08:00",
          "utc": "2021-06-13T16:10:46Z",
          "ms": 1623600646294.1929
        },
        "end": {
          "local": "2021-06-15T01:04:41+08:00",
          "utc": "2021-06-14T17:04:41Z",
          "ms": 1623690280691.659
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-06-14T00:10:46+08:00",
          "utc": "2021-06-13T16:10:46Z",
          "ms": 1623600646294.1929
        },
        "end": {
          "local": "2021-06-15T01:04:41+08:00",
          "utc": "2021-06-14T17:04:41Z",
          "ms": 1623690280691.659
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-06-13",
          "window": {
            "start": {
              "local": "2021-06-13T12:28:29+08:00",
              "utc": "2021-06-13T04:28:29Z",
              "ms": 1623558508717.4202
            },
            "end": {
              "local": "2021-06-13T13:16:29+08:00",
              "utc": "2021-06-13T05:16:29Z",
              "ms": 1623561388717.4202
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-06-14",
          "window": {
            "start": {
              "local": "2021-06-14T12:28:41+08:00",
              "utc": "2021-06-14T04:28:41Z",
              "ms": 1623644921128.9243
            },
            "end": {
              "local": "2021-06-14T13:16:41+08:00",
              "utc": "2021-06-14T05:16:41Z",
              "ms": 1623647801128.9243
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 00:11 on Mon 14 Jun to 01:05 on Tue 15 Jun.",
          "fact": "2021-06-13T16:10:46Z → 2021-06-14T17:04:41Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:28–13:16 on the 13th, 12:29–13:17 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 39258 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Zunyi, 2021: Monday 14 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": "2021-06-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-06-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Vināyaka Caturthī 2021 falls on Monday 14 June. Caturthī runs from 00:11 on Mon 14 Jun to 01:05 on Tue 15 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/vinayaka-chaturthi?on=2021-06-14",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/aranya-gauri-vrata",
      "festival": "aranya-gauri-vrata",
      "name": "Araṇya Gaurī Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-06-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 39715,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2021-06-16T01:27:11+08:00",
          "utc": "2021-06-15T17:27:11Z",
          "ms": 1623778031313.617
        },
        "end": {
          "local": "2021-06-17T01:16:08+08:00",
          "utc": "2021-06-16T17:16:08Z",
          "ms": 1623863767715.2234
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-06-16T01:27:11+08:00",
          "utc": "2021-06-15T17:27:11Z",
          "ms": 1623778031313.617
        },
        "end": {
          "local": "2021-06-17T01:16:08+08:00",
          "utc": "2021-06-16T17:16:08Z",
          "ms": 1623863767715.2234
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-06-16",
          "window": {
            "start": {
              "local": "2021-06-16T12:29:06+08:00",
              "utc": "2021-06-16T04:29:06Z",
              "ms": 1623817746272.7437
            },
            "end": {
              "local": "2021-06-16T13:17:06+08:00",
              "utc": "2021-06-16T05:17:06Z",
              "ms": 1623820626272.7437
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-06-17",
          "window": {
            "start": {
              "local": "2021-06-17T12:29:19+08:00",
              "utc": "2021-06-17T04:29:19Z",
              "ms": 1623904158953.6606
            },
            "end": {
              "local": "2021-06-17T13:17:19+08:00",
              "utc": "2021-06-17T05:17:19Z",
              "ms": 1623907038953.6606
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 01:27 on Wed 16 Jun to 01:16 on Thu 17 Jun.",
          "fact": "2021-06-15T17:27:11Z → 2021-06-16T17:16:08Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 16th, 12:29–13:17 on the 17th.",
          "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 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 39715 s"
        },
        {
          "step": "ruling",
          "text": "Araṇya Gaurī Vrata, Zunyi, 2021: Wednesday 16 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": "2021-06-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-06-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Araṇya Gaurī Vrata 2021 falls on Wednesday 16 June. Ṣaṣṭhī runs from 01:27 on Wed 16 Jun to 01:16 on Thu 17 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/skanda-shashthi-jyaishtha",
      "festival": "skanda-shashthi-jyaishtha",
      "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-06-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 39715,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2021-06-16T01:27:11+08:00",
          "utc": "2021-06-15T17:27:11Z",
          "ms": 1623778031313.617
        },
        "end": {
          "local": "2021-06-17T01:16:08+08:00",
          "utc": "2021-06-16T17:16:08Z",
          "ms": 1623863767715.2234
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-06-16T01:27:11+08:00",
          "utc": "2021-06-15T17:27:11Z",
          "ms": 1623778031313.617
        },
        "end": {
          "local": "2021-06-17T01:16:08+08:00",
          "utc": "2021-06-16T17:16:08Z",
          "ms": 1623863767715.2234
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-06-16",
          "window": {
            "start": {
              "local": "2021-06-16T12:29:06+08:00",
              "utc": "2021-06-16T04:29:06Z",
              "ms": 1623817746272.7437
            },
            "end": {
              "local": "2021-06-16T13:17:06+08:00",
              "utc": "2021-06-16T05:17:06Z",
              "ms": 1623820626272.7437
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-06-17",
          "window": {
            "start": {
              "local": "2021-06-17T12:29:19+08:00",
              "utc": "2021-06-17T04:29:19Z",
              "ms": 1623904158953.6606
            },
            "end": {
              "local": "2021-06-17T13:17:19+08:00",
              "utc": "2021-06-17T05:17:19Z",
              "ms": 1623907038953.6606
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 01:27 on Wed 16 Jun to 01:16 on Thu 17 Jun.",
          "fact": "2021-06-15T17:27:11Z → 2021-06-16T17:16:08Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 16th, 12:29–13:17 on the 17th.",
          "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 16th and 0 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 39715 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Zunyi, 2021: Wednesday 16 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": "2021-06-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-06-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2021 falls on Wednesday 16 June. Ṣaṣṭhī runs from 01:27 on Wed 16 Jun to 01:16 on Thu 17 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/ekadashi?on=2021-06-21",
      "festival": "ekadashi",
      "name": "Nirjalā Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-06-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36268,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-06-20T18:51:48+08:00",
          "utc": "2021-06-20T10:51:48Z",
          "ms": 1624186307865.4653
        },
        "end": {
          "local": "2021-06-21T16:02:01+08:00",
          "utc": "2021-06-21T08:02:01Z",
          "ms": 1624262521120.2363
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-06-20T18:51:48+08:00",
          "utc": "2021-06-20T10:51:48Z",
          "ms": 1624186307865.4653
        },
        "end": {
          "local": "2021-06-21T16:02:01+08:00",
          "utc": "2021-06-21T08:02:01Z",
          "ms": 1624262521120.2363
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-06-20",
          "window": {
            "start": {
              "local": "2021-06-20T05:57:21+08:00",
              "utc": "2021-06-19T21:57:21Z",
              "ms": 1624139840921.6702
            },
            "end": {
              "local": "2021-06-20T05:57:21+08:00",
              "utc": "2021-06-19T21:57:21Z",
              "ms": 1624139840921.6702
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2021-06-21",
          "window": {
            "start": {
              "local": "2021-06-21T05:57:33+08:00",
              "utc": "2021-06-20T21:57:33Z",
              "ms": 1624226253160.4526
            },
            "end": {
              "local": "2021-06-21T05:57:33+08:00",
              "utc": "2021-06-20T21:57:33Z",
              "ms": 1624226253160.4526
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 18:52 on Sun 20 Jun to 16:02 on Mon 21 Jun.",
          "fact": "2021-06-20T10:51:48Z → 2021-06-21T08:02:01Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:57 on the 20th and 05:58 on the 21st.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 20th and is on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 36268 s"
        },
        {
          "step": "ruling",
          "text": "Nirjalā Ekādaśī, Zunyi, 2021: Monday 21 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-06-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-06-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Nirjalā Ekādaśī 2021 falls on Monday 21 June. Ekādaśī runs from 18:52 on Sun 20 Jun to 16:02 on Mon 21 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-06-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/shri-rama-dvadashi",
      "festival": "shri-rama-dvadashi",
      "name": "Śrī Rāma Dvādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-06-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1323,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2021-06-21T16:02:01+08:00",
          "utc": "2021-06-21T08:02:01Z",
          "ms": 1624262521120.2363
        },
        "end": {
          "local": "2021-06-22T12:52:25+08:00",
          "utc": "2021-06-22T04:52:25Z",
          "ms": 1624337545352.7727
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-06-21T16:02:01+08:00",
          "utc": "2021-06-21T08:02:01Z",
          "ms": 1624262521120.2363
        },
        "end": {
          "local": "2021-06-22T12:52:25+08:00",
          "utc": "2021-06-22T04:52:25Z",
          "ms": 1624337545352.7727
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-06-21",
          "window": {
            "start": {
              "local": "2021-06-21T12:30:10+08:00",
              "utc": "2021-06-21T04:30:10Z",
              "ms": 1624249809832.05
            },
            "end": {
              "local": "2021-06-21T13:18:10+08:00",
              "utc": "2021-06-21T05:18:10Z",
              "ms": 1624252689832.05
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-06-22",
          "window": {
            "start": {
              "local": "2021-06-22T12:30:22+08:00",
              "utc": "2021-06-22T04:30:22Z",
              "ms": 1624336222478.125
            },
            "end": {
              "local": "2021-06-22T13:18:22+08:00",
              "utc": "2021-06-22T05:18:22Z",
              "ms": 1624339102478.125
            }
          },
          "covered_min": 22,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 16:02 on Mon 21 Jun to 12:52 on Tue 22 Jun.",
          "fact": "2021-06-21T08:02:01Z → 2021-06-22T04:52:25Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 21st, 12:30–13:18 on the 22nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 22 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 1323 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Rāma Dvādaśī, Zunyi, 2021: Tuesday 22 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": "2021-06-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-06-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Śrī Rāma Dvādaśī 2021 falls on Tuesday 22 June. Dvādaśī runs from 16:02 on Mon 21 Jun to 12:52 on Tue 22 Jun and covers 22 of 48 minutes of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/pradosha-vrata?on=2021-06-22",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-06-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25113,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-06-22T12:52:25+08:00",
          "utc": "2021-06-22T04:52:25Z",
          "ms": 1624337545352.7727
        },
        "end": {
          "local": "2021-06-23T09:30:04+08:00",
          "utc": "2021-06-23T01:30:04Z",
          "ms": 1624411803691.228
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-06-22T12:52:25+08:00",
          "utc": "2021-06-22T04:52:25Z",
          "ms": 1624337545352.7727
        },
        "end": {
          "local": "2021-06-23T09:30:04+08:00",
          "utc": "2021-06-23T01:30:04Z",
          "ms": 1624411803691.228
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-06-22",
          "window": {
            "start": {
              "local": "2021-06-22T19:50:59+08:00",
              "utc": "2021-06-22T11:50:59Z",
              "ms": 1624362658525.5278
            },
            "end": {
              "local": "2021-06-22T21:11:55+08:00",
              "utc": "2021-06-22T13:11:55Z",
              "ms": 1624367514816.884
            }
          },
          "covered_min": 81,
          "window_min": 81,
          "qualifies": true
        },
        {
          "local_date": "2021-06-23",
          "window": {
            "start": {
              "local": "2021-06-23T19:51:09+08:00",
              "utc": "2021-06-23T11:51:09Z",
              "ms": 1624449069397.6445
            },
            "end": {
              "local": "2021-06-23T21:12:06+08:00",
              "utc": "2021-06-23T13:12:06Z",
              "ms": 1624453926275.1345
            }
          },
          "covered_min": 0,
          "window_min": 81,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 12:52 on Tue 22 Jun to 09:30 on Wed 23 Jun.",
          "fact": "2021-06-22T04:52:25Z → 2021-06-23T01:30:04Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:51–21:12 on the 22nd, 19:51–21:12 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 81 of 81 minutes on the 22nd and 0 of 81 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 25113 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Zunyi, 2021: Tuesday 22 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": "2021-06-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-06-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Śukla Pradoṣa Vrata 2021 falls on Tuesday 22 June. Trayodaśī runs from 12:52 on Tue 22 Jun to 09:30 on Wed 23 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/pradosha-vrata?on=2021-06-22",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/vata-savitri-vrata",
      "festival": "vata-savitri-vrata",
      "name": "Vaṭa Sāvitrī Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-06-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19645,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2021-06-24T06:02:55+08:00",
          "utc": "2021-06-23T22:02:55Z",
          "ms": 1624485775497.7153
        },
        "end": {
          "local": "2021-06-25T02:39:42+08:00",
          "utc": "2021-06-24T18:39:42Z",
          "ms": 1624559981902.4036
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-06-24T06:02:55+08:00",
          "utc": "2021-06-23T22:02:55Z",
          "ms": 1624485775497.7153
        },
        "end": {
          "local": "2021-06-25T02:39:42+08:00",
          "utc": "2021-06-24T18:39:42Z",
          "ms": 1624559981902.4036
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-06-23",
          "window": {
            "start": {
              "local": "2021-06-23T19:51:09+08:00",
              "utc": "2021-06-23T11:51:09Z",
              "ms": 1624449069397.6445
            },
            "end": {
              "local": "2021-06-23T21:12:06+08:00",
              "utc": "2021-06-23T13:12:06Z",
              "ms": 1624453926275.1345
            }
          },
          "covered_min": 0,
          "window_min": 81,
          "qualifies": false
        },
        {
          "local_date": "2021-06-24",
          "window": {
            "start": {
              "local": "2021-06-24T19:51:19+08:00",
              "utc": "2021-06-24T11:51:19Z",
              "ms": 1624535479104.5771
            },
            "end": {
              "local": "2021-06-24T21:12:17+08:00",
              "utc": "2021-06-24T13:12:17Z",
              "ms": 1624540336852.457
            }
          },
          "covered_min": 81,
          "window_min": 81,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 06:03 on Thu 24 Jun to 02:40 on Fri 25 Jun.",
          "fact": "2021-06-23T22:02:55Z → 2021-06-24T18:39:42Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:51–21:12 on the 23rd, 19:51–21:12 on the 24th.",
          "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 81 minutes on the 23rd and 81 of 81 on the 24th.",
          "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 19645 s"
        },
        {
          "step": "ruling",
          "text": "Vaṭa Sāvitrī Vrata, Zunyi, 2021: Thursday 24 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": "2021-06-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-06-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Vaṭa Sāvitrī Vrata 2021 falls on Thursday 24 June. Pūrṇimā runs from 06:03 on Thu 24 Jun to 02:40 on Fri 25 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/sankashta-chaturthi?on=2021-06-27",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-06-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14768,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-06-27T18:24:35+08:00",
          "utc": "2021-06-27T10:24:35Z",
          "ms": 1624789474992.053
        },
        "end": {
          "local": "2021-06-28T16:46:34+08:00",
          "utc": "2021-06-28T08:46:34Z",
          "ms": 1624869994210.457
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-06-27T18:24:35+08:00",
          "utc": "2021-06-27T10:24:35Z",
          "ms": 1624789474992.053
        },
        "end": {
          "local": "2021-06-28T16:46:34+08:00",
          "utc": "2021-06-28T08:46:34Z",
          "ms": 1624869994210.457
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2021-06-27",
          "window": {
            "start": {
              "local": "2021-06-27T22:30:43+08:00",
              "utc": "2021-06-27T14:30:43Z",
              "ms": 1624804243281.2239
            },
            "end": {
              "local": "2021-06-27T22:30:43+08:00",
              "utc": "2021-06-27T14:30:43Z",
              "ms": 1624804243281.2239
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2021-06-28",
          "window": {
            "start": {
              "local": "2021-06-28T23:13:18+08:00",
              "utc": "2021-06-28T15:13:18Z",
              "ms": 1624893198465.7668
            },
            "end": {
              "local": "2021-06-28T23:13:18+08:00",
              "utc": "2021-06-28T15:13:18Z",
              "ms": 1624893198465.7668
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 18:25 on Sun 27 Jun to 16:47 on Mon 28 Jun.",
          "fact": "2021-06-27T10:24:35Z → 2021-06-28T08:46:34Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 22:31 on the 27th and 23:13 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 14768 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Zunyi, 2021: Sunday 27 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": "2021-06-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-06-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2021 falls on Sunday 27 June. Caturthī runs from 18:25 on Sun 27 Jun to 16:47 on Mon 28 Jun and is current at moonrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/sankashta-chaturthi?on=2021-06-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/ekadashi?on=2021-07-05",
      "festival": "ekadashi",
      "name": "Yoginī Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-07-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18089,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-07-04T22:26:03+08:00",
          "utc": "2021-07-04T14:26:03Z",
          "ms": 1625408763256.7837
        },
        "end": {
          "local": "2021-07-06T01:00:59+08:00",
          "utc": "2021-07-05T17:00:59Z",
          "ms": 1625504458673.5945
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-07-04T22:26:03+08:00",
          "utc": "2021-07-04T14:26:03Z",
          "ms": 1625408763256.7837
        },
        "end": {
          "local": "2021-07-06T01:00:59+08:00",
          "utc": "2021-07-05T17:00:59Z",
          "ms": 1625504458673.5945
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-07-05",
          "window": {
            "start": {
              "local": "2021-07-05T06:02:03+08:00",
              "utc": "2021-07-04T22:02:03Z",
              "ms": 1625436122570.5996
            },
            "end": {
              "local": "2021-07-05T06:02:03+08:00",
              "utc": "2021-07-04T22:02:03Z",
              "ms": 1625436122570.5996
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2021-07-06",
          "window": {
            "start": {
              "local": "2021-07-06T06:02:28+08:00",
              "utc": "2021-07-05T22:02:28Z",
              "ms": 1625522547806.9526
            },
            "end": {
              "local": "2021-07-06T06:02:28+08:00",
              "utc": "2021-07-05T22:02:28Z",
              "ms": 1625522547806.9526
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 22:26 on Sun 4 Jul to 01:01 on Tue 6 Jul.",
          "fact": "2021-07-04T14:26:03Z → 2021-07-05T17:00:59Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:02 on the 5th and 06:02 on the 6th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 5th and is not on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 18089 s"
        },
        {
          "step": "ruling",
          "text": "Yoginī Ekādaśī, Zunyi, 2021: Monday 5 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": "2021-07-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-07-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Yoginī Ekādaśī 2021 falls on Monday 5 July. Ekādaśī runs from 22:26 on Sun 4 Jul to 01:01 on Tue 6 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-07-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/pradosha-vrata?on=2021-07-07",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-07-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22782,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-07-07T03:32:51+08:00",
          "utc": "2021-07-06T19:32:51Z",
          "ms": 1625599971050.9219
        },
        "end": {
          "local": "2021-07-08T05:50:49+08:00",
          "utc": "2021-07-07T21:50:49Z",
          "ms": 1625694648824.8628
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-07-07T03:32:51+08:00",
          "utc": "2021-07-06T19:32:51Z",
          "ms": 1625599971050.9219
        },
        "end": {
          "local": "2021-07-08T05:50:49+08:00",
          "utc": "2021-07-07T21:50:49Z",
          "ms": 1625694648824.8628
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-07-06",
          "window": {
            "start": {
              "local": "2021-07-06T19:51:40+08:00",
              "utc": "2021-07-06T11:51:40Z",
              "ms": 1625572299617.4607
            },
            "end": {
              "local": "2021-07-06T21:13:09+08:00",
              "utc": "2021-07-06T13:13:09Z",
              "ms": 1625577189492.9666
            }
          },
          "covered_min": 0,
          "window_min": 81,
          "qualifies": false
        },
        {
          "local_date": "2021-07-07",
          "window": {
            "start": {
              "local": "2021-07-07T19:51:33+08:00",
              "utc": "2021-07-07T11:51:33Z",
              "ms": 1625658692934.9045
            },
            "end": {
              "local": "2021-07-07T21:13:07+08:00",
              "utc": "2021-07-07T13:13:07Z",
              "ms": 1625663587232.6116
            }
          },
          "covered_min": 82,
          "window_min": 82,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 03:33 on Wed 7 Jul to 05:51 on Thu 8 Jul.",
          "fact": "2021-07-06T19:32:51Z → 2021-07-07T21:50:49Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:52–21:13 on the 6th, 19:52–21:13 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 81 minutes on the 6th and 82 of 82 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 22782 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2021: Wednesday 7 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": "2021-07-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-07-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2021 falls on Wednesday 7 July. Trayodaśī runs from 03:33 on Wed 7 Jul to 05:51 on Thu 8 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/pradosha-vrata?on=2021-07-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/shivaratri?on=2021-07-08",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-07-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16162,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2021-07-08T05:50:49+08:00",
          "utc": "2021-07-07T21:50:49Z",
          "ms": 1625694648824.8628
        },
        "end": {
          "local": "2021-07-09T07:46:59+08:00",
          "utc": "2021-07-08T23:46:59Z",
          "ms": 1625788019264.2705
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-07-08T05:50:49+08:00",
          "utc": "2021-07-07T21:50:49Z",
          "ms": 1625694648824.8628
        },
        "end": {
          "local": "2021-07-09T07:46:59+08:00",
          "utc": "2021-07-08T23:46:59Z",
          "ms": 1625788019264.2705
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2021-07-07",
          "window": {
            "start": {
              "local": "2021-07-08T00:33:27+08:00",
              "utc": "2021-07-07T16:33:27Z",
              "ms": 1625675606551.3057
            },
            "end": {
              "local": "2021-07-08T01:21:27+08:00",
              "utc": "2021-07-07T17:21:27Z",
              "ms": 1625678486551.3057
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-07-08",
          "window": {
            "start": {
              "local": "2021-07-09T00:33:36+08:00",
              "utc": "2021-07-08T16:33:36Z",
              "ms": 1625762016067.3547
            },
            "end": {
              "local": "2021-07-09T01:21:36+08:00",
              "utc": "2021-07-08T17:21:36Z",
              "ms": 1625764896067.3547
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 05:51 on Thu 8 Jul to 07:47 on Fri 9 Jul.",
          "fact": "2021-07-07T21:50:49Z → 2021-07-08T23:46:59Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:33–01:21 on the 7th, 00:34–01:22 on the 8th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 16162 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Zunyi, 2021: Thursday 8 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": "2021-07-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-07-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Śivarātri 2021 falls on Thursday 8 July. Caturdaśī runs from 05:51 on Thu 8 Jul to 07:47 on Fri 9 Jul and covers all of niśītha that night.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/shivaratri?on=2021-07-08",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/rathayatra",
      "festival": "rathayatra",
      "name": "Rathayātrā",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-07-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6238,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2021-07-11T10:17:39+08:00",
          "utc": "2021-07-11T02:17:39Z",
          "ms": 1625969859441.0464
        },
        "end": {
          "local": "2021-07-12T10:49:58+08:00",
          "utc": "2021-07-12T02:49:58Z",
          "ms": 1626058197605.976
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-07-11T10:17:39+08:00",
          "utc": "2021-07-11T02:17:39Z",
          "ms": 1625969859441.0464
        },
        "end": {
          "local": "2021-07-12T10:49:58+08:00",
          "utc": "2021-07-12T02:49:58Z",
          "ms": 1626058197605.976
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-07-11",
          "window": {
            "start": {
              "local": "2021-07-11T12:33:48+08:00",
              "utc": "2021-07-11T04:33:48Z",
              "ms": 1625978027810.5122
            },
            "end": {
              "local": "2021-07-11T13:21:48+08:00",
              "utc": "2021-07-11T05:21:48Z",
              "ms": 1625980907810.5122
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-07-12",
          "window": {
            "start": {
              "local": "2021-07-12T12:33:55+08:00",
              "utc": "2021-07-12T04:33:55Z",
              "ms": 1626064435360.876
            },
            "end": {
              "local": "2021-07-12T13:21:55+08:00",
              "utc": "2021-07-12T05:21:55Z",
              "ms": 1626067315360.876
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 10:18 on Sun 11 Jul to 10:50 on Mon 12 Jul.",
          "fact": "2021-07-11T02:17:39Z → 2021-07-12T02:49:58Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 11th, 12:34–13:22 on the 12th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 6238 s"
        },
        {
          "step": "ruling",
          "text": "Rathayātrā, Zunyi, 2021: Sunday 11 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": "2021-07-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-07-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Rathayātrā 2021 falls on Sunday 11 July. Dvitīyā runs from 10:18 on Sun 11 Jul to 10:50 on Mon 12 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/vinayaka-chaturthi?on=2021-07-13",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-07-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5970,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-07-13T10:54:33+08:00",
          "utc": "2021-07-13T02:54:33Z",
          "ms": 1626144872556.9907
        },
        "end": {
          "local": "2021-07-14T10:32:53+08:00",
          "utc": "2021-07-14T02:32:53Z",
          "ms": 1626229973127.6147
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-07-13T10:54:33+08:00",
          "utc": "2021-07-13T02:54:33Z",
          "ms": 1626144872556.9907
        },
        "end": {
          "local": "2021-07-14T10:32:53+08:00",
          "utc": "2021-07-14T02:32:53Z",
          "ms": 1626229973127.6147
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-07-13",
          "window": {
            "start": {
              "local": "2021-07-13T12:34:02+08:00",
              "utc": "2021-07-13T04:34:02Z",
              "ms": 1626150842441.771
            },
            "end": {
              "local": "2021-07-13T13:22:02+08:00",
              "utc": "2021-07-13T05:22:02Z",
              "ms": 1626153722441.771
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-07-14",
          "window": {
            "start": {
              "local": "2021-07-14T12:34:09+08:00",
              "utc": "2021-07-14T04:34:09Z",
              "ms": 1626237249034.8823
            },
            "end": {
              "local": "2021-07-14T13:22:09+08:00",
              "utc": "2021-07-14T05:22:09Z",
              "ms": 1626240129034.8823
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 10:55 on Tue 13 Jul to 10:33 on Wed 14 Jul.",
          "fact": "2021-07-13T02:54:33Z → 2021-07-14T02:32:53Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 13th, 12:34–13:22 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 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 midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 5970 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Zunyi, 2021: Tuesday 13 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": "2021-07-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-07-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Vināyaka Caturthī 2021 falls on Tuesday 13 July. Caturthī runs from 10:55 on Tue 13 Jul to 10:33 on Wed 14 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/vinayaka-chaturthi?on=2021-07-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/skanda-panchami",
      "festival": "skanda-panchami",
      "name": "Skanda Pañcamī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-07-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7276,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2021-07-14T10:32:53+08:00",
          "utc": "2021-07-14T02:32:53Z",
          "ms": 1626229973127.6147
        },
        "end": {
          "local": "2021-07-15T09:46:29+08:00",
          "utc": "2021-07-15T01:46:29Z",
          "ms": 1626313589357.9624
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-07-14T10:32:53+08:00",
          "utc": "2021-07-14T02:32:53Z",
          "ms": 1626229973127.6147
        },
        "end": {
          "local": "2021-07-15T09:46:29+08:00",
          "utc": "2021-07-15T01:46:29Z",
          "ms": 1626313589357.9624
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-07-14",
          "window": {
            "start": {
              "local": "2021-07-14T12:34:09+08:00",
              "utc": "2021-07-14T04:34:09Z",
              "ms": 1626237249034.8823
            },
            "end": {
              "local": "2021-07-14T13:22:09+08:00",
              "utc": "2021-07-14T05:22:09Z",
              "ms": 1626240129034.8823
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-07-15",
          "window": {
            "start": {
              "local": "2021-07-15T12:34:15+08:00",
              "utc": "2021-07-15T04:34:15Z",
              "ms": 1626323655123.0933
            },
            "end": {
              "local": "2021-07-15T13:22:15+08:00",
              "utc": "2021-07-15T05:22:15Z",
              "ms": 1626326535123.0933
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 10:33 on Wed 14 Jul to 09:46 on Thu 15 Jul.",
          "fact": "2021-07-14T02:32:53Z → 2021-07-15T01:46:29Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 14th, 12:34–13:22 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 48 of 48 minutes on the 14th and 0 of 48 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 7276 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Pañcamī, Zunyi, 2021: Wednesday 14 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": "2021-07-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-07-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Skanda Pañcamī 2021 falls on Wednesday 14 July. Pañcamī runs from 10:33 on Wed 14 Jul to 09:46 on Thu 15 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/vivasvat-saptami",
      "festival": "vivasvat-saptami",
      "name": "Vivasvat Saptamī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-07-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14260,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2021-07-16T08:36:41+08:00",
          "utc": "2021-07-16T00:36:41Z",
          "ms": 1626395800617.383
        },
        "end": {
          "local": "2021-07-17T07:04:38+08:00",
          "utc": "2021-07-16T23:04:38Z",
          "ms": 1626476677986.4878
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-07-16T08:36:41+08:00",
          "utc": "2021-07-16T00:36:41Z",
          "ms": 1626395800617.383
        },
        "end": {
          "local": "2021-07-17T07:04:38+08:00",
          "utc": "2021-07-16T23:04:38Z",
          "ms": 1626476677986.4878
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-07-16",
          "window": {
            "start": {
              "local": "2021-07-16T12:34:21+08:00",
              "utc": "2021-07-16T04:34:21Z",
              "ms": 1626410060690.7158
            },
            "end": {
              "local": "2021-07-16T13:22:21+08:00",
              "utc": "2021-07-16T05:22:21Z",
              "ms": 1626412940690.7158
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-07-17",
          "window": {
            "start": {
              "local": "2021-07-17T12:34:26+08:00",
              "utc": "2021-07-17T04:34:26Z",
              "ms": 1626496465723.706
            },
            "end": {
              "local": "2021-07-17T13:22:26+08:00",
              "utc": "2021-07-17T05:22:26Z",
              "ms": 1626499345723.706
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 08:37 on Fri 16 Jul to 07:05 on Sat 17 Jul.",
          "fact": "2021-07-16T00:36:41Z → 2021-07-16T23:04:38Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 16th, 12:34–13:22 on the 17th.",
          "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 16th and 0 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 14260 s"
        },
        {
          "step": "ruling",
          "text": "Vivasvat Saptamī, Zunyi, 2021: Friday 16 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": "2021-07-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-07-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Vivasvat Saptamī 2021 falls on Friday 16 July. Saptamī runs from 08:37 on Fri 16 Jul to 07:05 on Sat 17 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/ekadashi?on=2021-07-20",
      "festival": "ekadashi",
      "name": "Hariśayanī Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-07-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20337,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-07-20T00:30:16+08:00",
          "utc": "2021-07-19T16:30:16Z",
          "ms": 1626712215806.7905
        },
        "end": {
          "local": "2021-07-20T21:47:51+08:00",
          "utc": "2021-07-20T13:47:51Z",
          "ms": 1626788870962.66
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-07-20T00:30:16+08:00",
          "utc": "2021-07-19T16:30:16Z",
          "ms": 1626712215806.7905
        },
        "end": {
          "local": "2021-07-20T21:47:51+08:00",
          "utc": "2021-07-20T13:47:51Z",
          "ms": 1626788870962.66
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-07-20",
          "window": {
            "start": {
              "local": "2021-07-20T06:09:13+08:00",
              "utc": "2021-07-19T22:09:13Z",
              "ms": 1626732553109.6643
            },
            "end": {
              "local": "2021-07-20T06:09:13+08:00",
              "utc": "2021-07-19T22:09:13Z",
              "ms": 1626732553109.6643
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2021-07-21",
          "window": {
            "start": {
              "local": "2021-07-21T06:09:44+08:00",
              "utc": "2021-07-20T22:09:44Z",
              "ms": 1626818984496.3728
            },
            "end": {
              "local": "2021-07-21T06:09:44+08:00",
              "utc": "2021-07-20T22:09:44Z",
              "ms": 1626818984496.3728
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 00:30 on Tue 20 Jul to 21:48 on Tue 20 Jul.",
          "fact": "2021-07-19T16:30:16Z → 2021-07-20T13:47:51Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:09 on the 20th and 06:10 on the 21st.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 20th and is not on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 20337 s"
        },
        {
          "step": "ruling",
          "text": "Hariśayanī Ekādaśī, Zunyi, 2021: Tuesday 20 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": "2021-07-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-07-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Hariśayanī Ekādaśī 2021 falls on Tuesday 20 July. Ekādaśī runs from 00:30 on Tue 20 Jul to 21:48 on Tue 20 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-07-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/pradosha-vrata?on=2021-07-21",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-07-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3047,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-07-21T18:56:49+08:00",
          "utc": "2021-07-21T10:56:49Z",
          "ms": 1626865009103.801
        },
        "end": {
          "local": "2021-07-22T16:03:07+08:00",
          "utc": "2021-07-22T08:03:07Z",
          "ms": 1626940986884.5278
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-07-21T18:56:49+08:00",
          "utc": "2021-07-21T10:56:49Z",
          "ms": 1626865009103.801
        },
        "end": {
          "local": "2021-07-22T16:03:07+08:00",
          "utc": "2021-07-22T08:03:07Z",
          "ms": 1626940986884.5278
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-07-21",
          "window": {
            "start": {
              "local": "2021-07-21T19:47:36+08:00",
              "utc": "2021-07-21T11:47:36Z",
              "ms": 1626868056092.1802
            },
            "end": {
              "local": "2021-07-21T21:10:37+08:00",
              "utc": "2021-07-21T13:10:37Z",
              "ms": 1626873037421.4185
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        },
        {
          "local_date": "2021-07-22",
          "window": {
            "start": {
              "local": "2021-07-22T19:47:09+08:00",
              "utc": "2021-07-22T11:47:09Z",
              "ms": 1626954428957.961
            },
            "end": {
              "local": "2021-07-22T21:10:18+08:00",
              "utc": "2021-07-22T13:10:18Z",
              "ms": 1626959418134.8079
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 18:57 on Wed 21 Jul to 16:03 on Thu 22 Jul.",
          "fact": "2021-07-21T10:56:49Z → 2021-07-22T08:03:07Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:48–21:11 on the 21st, 19:47–21:10 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 83 of 83 minutes on the 21st and 0 of 83 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 3047 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Zunyi, 2021: Wednesday 21 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": "2021-07-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-07-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Śukla Pradoṣa Vrata 2021 falls on Wednesday 21 July. Trayodaśī runs from 18:57 on Wed 21 Jul to 16:03 on Thu 22 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/pradosha-vrata?on=2021-07-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/guru-purnima",
      "festival": "guru-purnima",
      "name": "Guru Pūrṇimā",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-07-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 535,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2021-07-23T13:13:49+08:00",
          "utc": "2021-07-23T05:13:49Z",
          "ms": 1627017229075.395
        },
        "end": {
          "local": "2021-07-24T10:36:55+08:00",
          "utc": "2021-07-24T02:36:55Z",
          "ms": 1627094214565.7043
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-07-23T13:13:49+08:00",
          "utc": "2021-07-23T05:13:49Z",
          "ms": 1627017229075.395
        },
        "end": {
          "local": "2021-07-24T10:36:55+08:00",
          "utc": "2021-07-24T02:36:55Z",
          "ms": 1627094214565.7043
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-07-23",
          "window": {
            "start": {
              "local": "2021-07-23T12:34:44+08:00",
              "utc": "2021-07-23T04:34:44Z",
              "ms": 1627014884145.685
            },
            "end": {
              "local": "2021-07-23T13:22:44+08:00",
              "utc": "2021-07-23T05:22:44Z",
              "ms": 1627017764145.685
            }
          },
          "covered_min": 9,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-07-24",
          "window": {
            "start": {
              "local": "2021-07-24T12:34:45+08:00",
              "utc": "2021-07-24T04:34:45Z",
              "ms": 1627101285200.3093
            },
            "end": {
              "local": "2021-07-24T13:22:45+08:00",
              "utc": "2021-07-24T05:22:45Z",
              "ms": 1627104165200.3093
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 13:14 on Fri 23 Jul to 10:37 on Sat 24 Jul.",
          "fact": "2021-07-23T05:13:49Z → 2021-07-24T02:36:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:35–13:23 on the 23rd, 12:35–13:23 on the 24th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 9 of 48 minutes on the 23rd and 0 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: paraviddha → only-day · margin 535 s"
        },
        {
          "step": "ruling",
          "text": "Guru Pūrṇimā, Zunyi, 2021: Friday 23 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": "2021-07-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-07-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Guru Pūrṇimā 2021 falls on Friday 23 July. Pūrṇimā runs from 13:14 on Fri 23 Jul to 10:37 on Sat 24 Jul and covers 9 of 48 minutes of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/kokila-vrata",
      "festival": "kokila-vrata",
      "name": "Kokilā Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-07-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13781,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2021-07-23T13:13:49+08:00",
          "utc": "2021-07-23T05:13:49Z",
          "ms": 1627017229075.395
        },
        "end": {
          "local": "2021-07-24T10:36:55+08:00",
          "utc": "2021-07-24T02:36:55Z",
          "ms": 1627094214565.7043
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-07-23T13:13:49+08:00",
          "utc": "2021-07-23T05:13:49Z",
          "ms": 1627017229075.395
        },
        "end": {
          "local": "2021-07-24T10:36:55+08:00",
          "utc": "2021-07-24T02:36:55Z",
          "ms": 1627094214565.7043
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2021-07-23",
          "window": {
            "start": {
              "local": "2021-07-23T17:03:30+08:00",
              "utc": "2021-07-23T09:03:30Z",
              "ms": 1627031009962.508
            },
            "end": {
              "local": "2021-07-23T19:46:41+08:00",
              "utc": "2021-07-23T11:46:41Z",
              "ms": 1627040800507.0566
            }
          },
          "covered_min": 163,
          "window_min": 163,
          "qualifies": true
        },
        {
          "local_date": "2021-07-24",
          "window": {
            "start": {
              "local": "2021-07-24T17:03:13+08:00",
              "utc": "2021-07-24T09:03:13Z",
              "ms": 1627117392532.92
            },
            "end": {
              "local": "2021-07-24T19:46:11+08:00",
              "utc": "2021-07-24T11:46:11Z",
              "ms": 1627127170754.6604
            }
          },
          "covered_min": 0,
          "window_min": 163,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 13:14 on Fri 23 Jul to 10:37 on Sat 24 Jul.",
          "fact": "2021-07-23T05:13:49Z → 2021-07-24T02:36:55Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 17:03–19:47 on the 23rd, 17:03–19:46 on the 24th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during sāyāhna. It covers 163 of 163 minutes on the 23rd and 0 of 163 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one late afternoon qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 13781 s"
        },
        {
          "step": "ruling",
          "text": "Kokilā Vrata, Zunyi, 2021: Friday 23 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "kokila-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)."
          }
        ],
        "kaala": "sayahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-07-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-07-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Kokilā Vrata 2021 falls on Friday 23 July. Pūrṇimā runs from 13:14 on Fri 23 Jul to 10:37 on Sat 24 Jul and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/shiva-shayanotsava",
      "festival": "shiva-shayanotsava",
      "name": "Śiva Śayanotsava",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-07-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23571,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2021-07-23T13:13:49+08:00",
          "utc": "2021-07-23T05:13:49Z",
          "ms": 1627017229075.395
        },
        "end": {
          "local": "2021-07-24T10:36:55+08:00",
          "utc": "2021-07-24T02:36:55Z",
          "ms": 1627094214565.7043
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-07-23T13:13:49+08:00",
          "utc": "2021-07-23T05:13:49Z",
          "ms": 1627017229075.395
        },
        "end": {
          "local": "2021-07-24T10:36:55+08:00",
          "utc": "2021-07-24T02:36:55Z",
          "ms": 1627094214565.7043
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-07-23",
          "window": {
            "start": {
              "local": "2021-07-23T19:46:41+08:00",
              "utc": "2021-07-23T11:46:41Z",
              "ms": 1627040800507.0566
            },
            "end": {
              "local": "2021-07-23T21:09:58+08:00",
              "utc": "2021-07-23T13:09:58Z",
              "ms": 1627045797725.577
            }
          },
          "covered_min": 83,
          "window_min": 83,
          "qualifies": true
        },
        {
          "local_date": "2021-07-24",
          "window": {
            "start": {
              "local": "2021-07-24T19:46:11+08:00",
              "utc": "2021-07-24T11:46:11Z",
              "ms": 1627127170754.6604
            },
            "end": {
              "local": "2021-07-24T21:09:36+08:00",
              "utc": "2021-07-24T13:09:36Z",
              "ms": 1627132176204.5476
            }
          },
          "covered_min": 0,
          "window_min": 83,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 13:14 on Fri 23 Jul to 10:37 on Sat 24 Jul.",
          "fact": "2021-07-23T05:13:49Z → 2021-07-24T02:36:55Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:47–21:10 on the 23rd, 19:46–21:10 on the 24th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 83 of 83 minutes on the 23rd and 0 of 83 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 23571 s"
        },
        {
          "step": "ruling",
          "text": "Śiva Śayanotsava, Zunyi, 2021: Friday 23 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shiva-shayanotsava",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-07-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-07-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Śiva Śayanotsava 2021 falls on Friday 23 July. Pūrṇimā runs from 13:14 on Fri 23 Jul to 10:37 on Sat 24 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/vyasa-puja",
      "festival": "vyasa-puja",
      "name": "Vyāsa Pūjā",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-07-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6157,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2021-07-23T13:13:49+08:00",
          "utc": "2021-07-23T05:13:49Z",
          "ms": 1627017229075.395
        },
        "end": {
          "local": "2021-07-24T10:36:55+08:00",
          "utc": "2021-07-24T02:36:55Z",
          "ms": 1627094214565.7043
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-07-23T13:13:49+08:00",
          "utc": "2021-07-23T05:13:49Z",
          "ms": 1627017229075.395
        },
        "end": {
          "local": "2021-07-24T10:36:55+08:00",
          "utc": "2021-07-24T02:36:55Z",
          "ms": 1627094214565.7043
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "2021-07-23",
          "window": {
            "start": {
              "local": "2021-07-23T06:10:48+08:00",
              "utc": "2021-07-22T22:10:48Z",
              "ms": 1626991847784.3132
            },
            "end": {
              "local": "2021-07-23T08:53:58+08:00",
              "utc": "2021-07-23T00:53:58Z",
              "ms": 1627001638328.8618
            }
          },
          "covered_min": 0,
          "window_min": 163,
          "qualifies": false
        },
        {
          "local_date": "2021-07-24",
          "window": {
            "start": {
              "local": "2021-07-24T06:11:20+08:00",
              "utc": "2021-07-23T22:11:20Z",
              "ms": 1627078279645.9583
            },
            "end": {
              "local": "2021-07-24T08:54:18+08:00",
              "utc": "2021-07-24T00:54:18Z",
              "ms": 1627088057867.6987
            }
          },
          "covered_min": 163,
          "window_min": 163,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 13:14 on Fri 23 Jul to 10:37 on Sat 24 Jul.",
          "fact": "2021-07-23T05:13:49Z → 2021-07-24T02:36:55Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:11–08:54 on the 23rd, 06:11–08:54 on the 24th.",
          "fact": "udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 0 of 163 minutes on the 23rd and 163 of 163 on the 24th.",
          "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 6157 s"
        },
        {
          "step": "ruling",
          "text": "Vyāsa Pūjā, Zunyi, 2021: Saturday 24 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": "2021-07-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-07-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Vyāsa Pūjā 2021 falls on Saturday 24 July. Pūrṇimā runs from 13:14 on Fri 23 Jul to 10:37 on Sat 24 Jul and covers all of the first three muhūrtas after sunrise that morning.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/ashunya-shayana-vrata-ashadha",
      "festival": "ashunya-shayana-vrata-ashadha",
      "name": "Aśūnya Śayana Vrata (Āṣāḍha)",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-07-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34155,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2021-07-25T08:20:54+08:00",
          "utc": "2021-07-25T00:20:54Z",
          "ms": 1627172454129.09
        },
        "end": {
          "local": "2021-07-26T06:34:18+08:00",
          "utc": "2021-07-25T22:34:18Z",
          "ms": 1627252458323.0923
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-07-25T08:20:54+08:00",
          "utc": "2021-07-25T00:20:54Z",
          "ms": 1627172454129.09
        },
        "end": {
          "local": "2021-07-26T06:34:18+08:00",
          "utc": "2021-07-25T22:34:18Z",
          "ms": 1627252458323.0923
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2021-07-24",
          "window": {
            "start": {
              "local": "2021-07-24T20:18:42+08:00",
              "utc": "2021-07-24T12:18:42Z",
              "ms": 1627129122456.734
            },
            "end": {
              "local": "2021-07-24T20:18:42+08:00",
              "utc": "2021-07-24T12:18:42Z",
              "ms": 1627129122456.734
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2021-07-25",
          "window": {
            "start": {
              "local": "2021-07-25T21:05:04+08:00",
              "utc": "2021-07-25T13:05:04Z",
              "ms": 1627218303682.5374
            },
            "end": {
              "local": "2021-07-25T21:05:04+08:00",
              "utc": "2021-07-25T13:05:04Z",
              "ms": 1627218303682.5374
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 08:21 on Sun 25 Jul to 06:34 on Mon 26 Jul.",
          "fact": "2021-07-25T00:20:54Z → 2021-07-25T22:34:18Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:19 on the 24th and 21:05 on the 25th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā 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. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 34155 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata (Āṣāḍha), Zunyi, 2021: Sunday 25 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": "2021-07-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-07-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Aśūnya Śayana Vrata (Āṣāḍha) 2021 falls on Sunday 25 July. Dvitīyā runs from 08:21 on Sun 25 Jul to 06:34 on Mon 26 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/sankashta-chaturthi?on=2021-07-27",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-07-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23914,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-07-27T05:24:53+08:00",
          "utc": "2021-07-26T21:24:53Z",
          "ms": 1627334693195.386
        },
        "end": {
          "local": "2021-07-28T04:58:42+08:00",
          "utc": "2021-07-27T20:58:42Z",
          "ms": 1627419522455.6023
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-07-27T05:24:53+08:00",
          "utc": "2021-07-26T21:24:53Z",
          "ms": 1627334693195.386
        },
        "end": {
          "local": "2021-07-28T04:58:42+08:00",
          "utc": "2021-07-27T20:58:42Z",
          "ms": 1627419522455.6023
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2021-07-26",
          "window": {
            "start": {
              "local": "2021-07-26T21:44:59+08:00",
              "utc": "2021-07-26T13:44:59Z",
              "ms": 1627307099018.1714
            },
            "end": {
              "local": "2021-07-26T21:44:59+08:00",
              "utc": "2021-07-26T13:44:59Z",
              "ms": 1627307099018.1714
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2021-07-27",
          "window": {
            "start": {
              "local": "2021-07-27T22:20:08+08:00",
              "utc": "2021-07-27T14:20:08Z",
              "ms": 1627395607957.69
            },
            "end": {
              "local": "2021-07-27T22:20:08+08:00",
              "utc": "2021-07-27T14:20:08Z",
              "ms": 1627395607957.69
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 05:25 on Tue 27 Jul to 04:59 on Wed 28 Jul.",
          "fact": "2021-07-26T21:24:53Z → 2021-07-27T20:58:42Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:45 on the 26th and 22:20 on the 27th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 26th and is on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 23914 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Zunyi, 2021: Tuesday 27 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": "2021-07-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-07-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2021 falls on Tuesday 27 July. Caturthī runs from 05:25 on Tue 27 Jul to 04:59 on Wed 28 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/sankashta-chaturthi?on=2021-07-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/ekadashi?on=2021-08-04",
      "festival": "ekadashi",
      "name": "Kāmikā Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-08-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33218,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-08-03T15:30:21+08:00",
          "utc": "2021-08-03T07:30:21Z",
          "ms": 1627975820641.1577
        },
        "end": {
          "local": "2021-08-04T17:47:55+08:00",
          "utc": "2021-08-04T09:47:55Z",
          "ms": 1628070475028.1182
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-08-03T15:30:21+08:00",
          "utc": "2021-08-03T07:30:21Z",
          "ms": 1627975820641.1577
        },
        "end": {
          "local": "2021-08-04T17:47:55+08:00",
          "utc": "2021-08-04T09:47:55Z",
          "ms": 1628070475028.1182
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-08-03",
          "window": {
            "start": {
              "local": "2021-08-03T06:16:42+08:00",
              "utc": "2021-08-02T22:16:42Z",
              "ms": 1627942602215.709
            },
            "end": {
              "local": "2021-08-03T06:16:42+08:00",
              "utc": "2021-08-02T22:16:42Z",
              "ms": 1627942602215.709
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2021-08-04",
          "window": {
            "start": {
              "local": "2021-08-04T06:17:15+08:00",
              "utc": "2021-08-03T22:17:15Z",
              "ms": 1628029034505.937
            },
            "end": {
              "local": "2021-08-04T06:17:15+08:00",
              "utc": "2021-08-03T22:17:15Z",
              "ms": 1628029034505.937
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 15:30 on Tue 3 Aug to 17:48 on Wed 4 Aug.",
          "fact": "2021-08-03T07:30:21Z → 2021-08-04T09:47:55Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:17 on the 3rd and 06:17 on the 4th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 3rd and is on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 33218 s"
        },
        {
          "step": "ruling",
          "text": "Kāmikā Ekādaśī, Zunyi, 2021: Wednesday 4 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": "2021-08-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-08-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Kāmikā Ekādaśī 2021 falls on Wednesday 4 August. Ekādaśī runs from 15:30 on Tue 3 Aug to 17:48 on Wed 4 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-08-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/pradosha-vrata?on=2021-08-05",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-08-05",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin",
        "tie-break-unstated"
      ],
      "boundary_margin_s": 68,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-08-05T19:39:45+08:00",
          "utc": "2021-08-05T11:39:45Z",
          "ms": 1628163585481.923
        },
        "end": {
          "local": "2021-08-06T20:58:42+08:00",
          "utc": "2021-08-06T12:58:42Z",
          "ms": 1628254721830.4004
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-08-05T19:39:45+08:00",
          "utc": "2021-08-05T11:39:45Z",
          "ms": 1628163585481.923
        },
        "end": {
          "local": "2021-08-06T20:58:42+08:00",
          "utc": "2021-08-06T12:58:42Z",
          "ms": 1628254721830.4004
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-08-05",
          "window": {
            "start": {
              "local": "2021-08-05T19:38:38+08:00",
              "utc": "2021-08-05T11:38:38Z",
              "ms": 1628163517972.9927
            },
            "end": {
              "local": "2021-08-05T21:03:55+08:00",
              "utc": "2021-08-05T13:03:55Z",
              "ms": 1628168635429.1616
            }
          },
          "covered_min": 84,
          "window_min": 85,
          "qualifies": true
        },
        {
          "local_date": "2021-08-06",
          "window": {
            "start": {
              "local": "2021-08-06T19:37:53+08:00",
              "utc": "2021-08-06T11:37:53Z",
              "ms": 1628249872754.0886
            },
            "end": {
              "local": "2021-08-06T21:03:21+08:00",
              "utc": "2021-08-06T13:03:21Z",
              "ms": 1628255000515.0933
            }
          },
          "covered_min": 81,
          "window_min": 85,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 19:40 on Thu 5 Aug to 20:59 on Fri 6 Aug.",
          "fact": "2021-08-05T11:39:45Z → 2021-08-06T12:58:42Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:39–21:04 on the 5th, 19:38–21:03 on the 6th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 84 of 85 minutes on the 5th and 81 of 85 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 68 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2021: Thursday 5 August.",
          "fact": "confidence: boundary (margin, tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-08-06",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-08-05",
          "confidence": "boundary"
        }
      ],
      "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2021 falls on Thursday 5 August. Trayodaśī runs from 19:40 on Thu 5 Aug to 20:59 on Fri 6 Aug and covers 84 of 85 minutes of pradoṣa that evening. It also reaches the next evening for 81 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 1 min 08 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/pradosha-vrata?on=2021-08-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/shivaratri?on=2021-08-06",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-08-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10341,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2021-08-06T20:58:42+08:00",
          "utc": "2021-08-06T12:58:42Z",
          "ms": 1628254721830.4004
        },
        "end": {
          "local": "2021-08-07T21:41:54+08:00",
          "utc": "2021-08-07T13:41:54Z",
          "ms": 1628343713784.8843
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-08-06T20:58:42+08:00",
          "utc": "2021-08-06T12:58:42Z",
          "ms": 1628254721830.4004
        },
        "end": {
          "local": "2021-08-07T21:41:54+08:00",
          "utc": "2021-08-07T13:41:54Z",
          "ms": 1628343713784.8843
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2021-08-06",
          "window": {
            "start": {
              "local": "2021-08-07T00:34:22+08:00",
              "utc": "2021-08-06T16:34:22Z",
              "ms": 1628267661857.8564
            },
            "end": {
              "local": "2021-08-07T01:22:22+08:00",
              "utc": "2021-08-06T17:22:22Z",
              "ms": 1628270541857.8564
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-08-07",
          "window": {
            "start": {
              "local": "2021-08-08T00:34:15+08:00",
              "utc": "2021-08-07T16:34:15Z",
              "ms": 1628354054692.87
            },
            "end": {
              "local": "2021-08-08T01:22:15+08:00",
              "utc": "2021-08-07T17:22:15Z",
              "ms": 1628356934692.87
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 20:59 on Fri 6 Aug to 21:42 on Sat 7 Aug.",
          "fact": "2021-08-06T12:58:42Z → 2021-08-07T13:41:54Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:34–01:22 on the 6th, 00:34–01:22 on the 7th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 6th and 0 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 10341 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Zunyi, 2021: Friday 6 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": "2021-08-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-08-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Śivarātri 2021 falls on Friday 6 August. Caturdaśī runs from 20:59 on Fri 6 Aug to 21:42 on Sat 7 Aug and covers all of niśītha that night.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/shivaratri?on=2021-08-06",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/madhusrava-tritiya",
      "festival": "madhusrava-tritiya",
      "name": "Madhusravā Tṛtīyā",
      "everyday": "Hariyali Teej",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-08-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21771,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2021-08-10T20:36:23+08:00",
          "utc": "2021-08-10T12:36:23Z",
          "ms": 1628598983225.7073
        },
        "end": {
          "local": "2021-08-11T19:24:16+08:00",
          "utc": "2021-08-11T11:24:16Z",
          "ms": 1628681055878.9172
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-08-10T20:36:23+08:00",
          "utc": "2021-08-10T12:36:23Z",
          "ms": 1628598983225.7073
        },
        "end": {
          "local": "2021-08-11T19:24:16+08:00",
          "utc": "2021-08-11T11:24:16Z",
          "ms": 1628681055878.9172
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-08-10",
          "window": {
            "start": {
              "local": "2021-08-10T12:33:34+08:00",
              "utc": "2021-08-10T04:33:34Z",
              "ms": 1628570013894.5366
            },
            "end": {
              "local": "2021-08-10T13:21:34+08:00",
              "utc": "2021-08-10T05:21:34Z",
              "ms": 1628572893894.5366
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-08-11",
          "window": {
            "start": {
              "local": "2021-08-11T12:33:24+08:00",
              "utc": "2021-08-11T04:33:24Z",
              "ms": 1628656404468.6768
            },
            "end": {
              "local": "2021-08-11T13:21:24+08:00",
              "utc": "2021-08-11T05:21:24Z",
              "ms": 1628659284468.6768
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 20:36 on Tue 10 Aug to 19:24 on Wed 11 Aug.",
          "fact": "2021-08-10T12:36:23Z → 2021-08-11T11:24:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:34–13:22 on the 10th, 12:33–13:21 on the 11th.",
          "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 10th and 48 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 21771 s"
        },
        {
          "step": "ruling",
          "text": "Madhusravā Tṛtīyā, Zunyi, 2021: Wednesday 11 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": "2021-08-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-08-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Madhusravā Tṛtīyā (Hariyali Teej) 2021 falls on Wednesday 11 August. Tṛtīyā runs from 20:36 on Tue 10 Aug to 19:24 on Wed 11 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/vinayaka-chaturthi?on=2021-08-12",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-08-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16437,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-08-11T19:24:16+08:00",
          "utc": "2021-08-11T11:24:16Z",
          "ms": 1628681055878.9172
        },
        "end": {
          "local": "2021-08-12T17:55:12+08:00",
          "utc": "2021-08-12T09:55:12Z",
          "ms": 1628762111653.4387
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-08-11T19:24:16+08:00",
          "utc": "2021-08-11T11:24:16Z",
          "ms": 1628681055878.9172
        },
        "end": {
          "local": "2021-08-12T17:55:12+08:00",
          "utc": "2021-08-12T09:55:12Z",
          "ms": 1628762111653.4387
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-08-11",
          "window": {
            "start": {
              "local": "2021-08-11T12:33:24+08:00",
              "utc": "2021-08-11T04:33:24Z",
              "ms": 1628656404468.6768
            },
            "end": {
              "local": "2021-08-11T13:21:24+08:00",
              "utc": "2021-08-11T05:21:24Z",
              "ms": 1628659284468.6768
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-08-12",
          "window": {
            "start": {
              "local": "2021-08-12T12:33:14+08:00",
              "utc": "2021-08-12T04:33:14Z",
              "ms": 1628742794470.7551
            },
            "end": {
              "local": "2021-08-12T13:21:14+08:00",
              "utc": "2021-08-12T05:21:14Z",
              "ms": 1628745674470.7551
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 19:24 on Wed 11 Aug to 17:55 on Thu 12 Aug.",
          "fact": "2021-08-11T11:24:16Z → 2021-08-12T09:55:12Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 11th, 12:33–13:21 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 16437 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Zunyi, 2021: Thursday 12 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": "2021-08-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-08-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Vināyaka Caturthī 2021 falls on Thursday 12 August. Caturthī runs from 19:24 on Wed 11 Aug to 17:55 on Thu 12 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/vinayaka-chaturthi?on=2021-08-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/naga-panchami",
      "festival": "naga-panchami",
      "name": "Nāga Pañcamī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-08-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10329,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2021-08-12T17:55:12+08:00",
          "utc": "2021-08-12T09:55:12Z",
          "ms": 1628762111653.4387
        },
        "end": {
          "local": "2021-08-13T16:13:13+08:00",
          "utc": "2021-08-13T08:13:13Z",
          "ms": 1628842393208.1719
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-08-12T17:55:12+08:00",
          "utc": "2021-08-12T09:55:12Z",
          "ms": 1628762111653.4387
        },
        "end": {
          "local": "2021-08-13T16:13:13+08:00",
          "utc": "2021-08-13T08:13:13Z",
          "ms": 1628842393208.1719
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-08-12",
          "window": {
            "start": {
              "local": "2021-08-12T12:33:14+08:00",
              "utc": "2021-08-12T04:33:14Z",
              "ms": 1628742794470.7551
            },
            "end": {
              "local": "2021-08-12T13:21:14+08:00",
              "utc": "2021-08-12T05:21:14Z",
              "ms": 1628745674470.7551
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-08-13",
          "window": {
            "start": {
              "local": "2021-08-13T12:33:04+08:00",
              "utc": "2021-08-13T04:33:04Z",
              "ms": 1628829183905.1611
            },
            "end": {
              "local": "2021-08-13T13:21:04+08:00",
              "utc": "2021-08-13T05:21:04Z",
              "ms": 1628832063905.1611
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 17:55 on Thu 12 Aug to 16:13 on Fri 13 Aug.",
          "fact": "2021-08-12T09:55:12Z → 2021-08-13T08:13:13Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:33–13:21 on the 12th, 12:33–13:21 on the 13th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 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 10329 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī, Zunyi, 2021: Friday 13 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": "2021-08-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-08-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Nāga Pañcamī 2021 falls on Friday 13 August. Pañcamī runs from 17:55 on Thu 12 Aug to 16:13 on Fri 13 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/ekadashi?on=2021-08-18",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-08-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2005,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-08-18T05:51:09+08:00",
          "utc": "2021-08-17T21:51:09Z",
          "ms": 1629237068959.4377
        },
        "end": {
          "local": "2021-08-19T03:36:22+08:00",
          "utc": "2021-08-18T19:36:22Z",
          "ms": 1629315381888.7566
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-08-18T05:51:09+08:00",
          "utc": "2021-08-17T21:51:09Z",
          "ms": 1629237068959.4377
        },
        "end": {
          "local": "2021-08-19T03:36:22+08:00",
          "utc": "2021-08-18T19:36:22Z",
          "ms": 1629315381888.7566
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-08-18",
          "window": {
            "start": {
              "local": "2021-08-18T06:24:34+08:00",
              "utc": "2021-08-17T22:24:34Z",
              "ms": 1629239074108.5632
            },
            "end": {
              "local": "2021-08-18T06:24:34+08:00",
              "utc": "2021-08-17T22:24:34Z",
              "ms": 1629239074108.5632
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2021-08-19",
          "window": {
            "start": {
              "local": "2021-08-19T06:25:04+08:00",
              "utc": "2021-08-18T22:25:04Z",
              "ms": 1629325504209.475
            },
            "end": {
              "local": "2021-08-19T06:25:04+08:00",
              "utc": "2021-08-18T22:25:04Z",
              "ms": 1629325504209.475
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 05:51 on Wed 18 Aug to 03:36 on Thu 19 Aug.",
          "fact": "2021-08-17T21:51:09Z → 2021-08-18T19:36:22Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:25 on the 18th and 06:25 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 2005 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Zunyi, 2021: Wednesday 18 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": "2021-08-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-08-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Putradā Ekādaśī 2021 falls on Wednesday 18 August. Ekādaśī runs from 05:51 on Wed 18 Aug to 03:36 on Thu 19 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-08-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/damodara-dvadashi",
      "festival": "damodara-dvadashi",
      "name": "Dāmodara Dvādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-08-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32127,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2021-08-19T03:36:22+08:00",
          "utc": "2021-08-18T19:36:22Z",
          "ms": 1629315381888.7566
        },
        "end": {
          "local": "2021-08-20T01:24:32+08:00",
          "utc": "2021-08-19T17:24:32Z",
          "ms": 1629393872346.0864
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-08-19T03:36:22+08:00",
          "utc": "2021-08-18T19:36:22Z",
          "ms": 1629315381888.7566
        },
        "end": {
          "local": "2021-08-20T01:24:32+08:00",
          "utc": "2021-08-19T17:24:32Z",
          "ms": 1629393872346.0864
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-08-19",
          "window": {
            "start": {
              "local": "2021-08-19T12:31:49+08:00",
              "utc": "2021-08-19T04:31:49Z",
              "ms": 1629347509021.0425
            },
            "end": {
              "local": "2021-08-19T13:19:49+08:00",
              "utc": "2021-08-19T05:19:49Z",
              "ms": 1629350389021.0425
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-08-20",
          "window": {
            "start": {
              "local": "2021-08-20T12:31:35+08:00",
              "utc": "2021-08-20T04:31:35Z",
              "ms": 1629433894729.662
            },
            "end": {
              "local": "2021-08-20T13:19:35+08:00",
              "utc": "2021-08-20T05:19:35Z",
              "ms": 1629436774729.662
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 03:36 on Thu 19 Aug to 01:25 on Fri 20 Aug.",
          "fact": "2021-08-18T19:36:22Z → 2021-08-19T17:24:32Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:32–13:20 on the 19th, 12:32–13:20 on the 20th.",
          "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 19th and 0 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 32127 s"
        },
        {
          "step": "ruling",
          "text": "Dāmodara Dvādaśī, Zunyi, 2021: Thursday 19 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": "2021-08-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-08-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Dāmodara Dvādaśī 2021 falls on Thursday 19 August. Dvādaśī runs from 03:36 on Thu 19 Aug to 01:25 on Fri 20 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/pradosha-vrata?on=2021-08-20",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-08-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8820,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-08-20T01:24:32+08:00",
          "utc": "2021-08-19T17:24:32Z",
          "ms": 1629393872346.0864
        },
        "end": {
          "local": "2021-08-20T23:20:39+08:00",
          "utc": "2021-08-20T15:20:39Z",
          "ms": 1629472838661.7932
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-08-20T01:24:32+08:00",
          "utc": "2021-08-19T17:24:32Z",
          "ms": 1629393872346.0864
        },
        "end": {
          "local": "2021-08-20T23:20:39+08:00",
          "utc": "2021-08-20T15:20:39Z",
          "ms": 1629472838661.7932
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-08-19",
          "window": {
            "start": {
              "local": "2021-08-19T19:26:34+08:00",
              "utc": "2021-08-19T11:26:34Z",
              "ms": 1629372393832.6096
            },
            "end": {
              "local": "2021-08-19T20:54:26+08:00",
              "utc": "2021-08-19T12:54:26Z",
              "ms": 1629377665870.511
            }
          },
          "covered_min": 0,
          "window_min": 88,
          "qualifies": false
        },
        {
          "local_date": "2021-08-20",
          "window": {
            "start": {
              "local": "2021-08-20T19:25:35+08:00",
              "utc": "2021-08-20T11:25:35Z",
              "ms": 1629458735342.4543
            },
            "end": {
              "local": "2021-08-20T20:53:39+08:00",
              "utc": "2021-08-20T12:53:39Z",
              "ms": 1629464019141.4392
            }
          },
          "covered_min": 88,
          "window_min": 88,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 01:25 on Fri 20 Aug to 23:21 on Fri 20 Aug.",
          "fact": "2021-08-19T17:24:32Z → 2021-08-20T15:20:39Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:27–20:54 on the 19th, 19:26–20:54 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 88 minutes on the 19th and 88 of 88 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 8820 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Zunyi, 2021: Friday 20 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-08-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-08-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Śukla Pradoṣa Vrata 2021 falls on Friday 20 August. Trayodaśī runs from 01:25 on Fri 20 Aug to 23:21 on Fri 20 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/pradosha-vrata?on=2021-08-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/raksha-bandhana",
      "festival": "raksha-bandhana",
      "name": "Rakṣā Bandhana",
      "everyday": "Rakhi",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-08-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8206,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2021-08-21T21:30:49+08:00",
          "utc": "2021-08-21T13:30:49Z",
          "ms": 1629552648565.0303
        },
        "end": {
          "local": "2021-08-22T20:01:58+08:00",
          "utc": "2021-08-22T12:01:58Z",
          "ms": 1629633718194.8428
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "second-half",
        "start": {
          "local": "2021-08-22T08:43:19+08:00",
          "utc": "2021-08-22T00:43:19Z",
          "ms": 1629592998869.5466
        },
        "end": {
          "local": "2021-08-22T20:01:58+08:00",
          "utc": "2021-08-22T12:01:58Z",
          "ms": 1629633718194.8428
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "2021-08-21",
          "window": {
            "start": {
              "local": "2021-08-21T06:26:04+08:00",
              "utc": "2021-08-20T22:26:04Z",
              "ms": 1629498363834.8416
            },
            "end": {
              "local": "2021-08-22T06:26:33+08:00",
              "utc": "2021-08-21T22:26:33Z",
              "ms": 1629584793369.062
            }
          },
          "covered_min": 0,
          "window_min": 1440,
          "qualifies": false
        },
        {
          "local_date": "2021-08-22",
          "window": {
            "start": {
              "local": "2021-08-22T06:26:33+08:00",
              "utc": "2021-08-21T22:26:33Z",
              "ms": 1629584793369.062
            },
            "end": {
              "local": "2021-08-23T06:27:03+08:00",
              "utc": "2021-08-22T22:27:03Z",
              "ms": 1629671222726.3906
            }
          },
          "covered_min": 679,
          "window_min": 1440,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 21:31 on Sat 21 Aug to 20:02 on Sun 22 Aug. Its second half begins at 08:43 on Sun 22 Aug.",
          "fact": "2021-08-21T13:30:49Z → 2021-08-22T12:01:58Z · second half from 2021-08-22T00:43:19Z"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 06:26 on the 21st, and from 06:27 on the 22nd.",
          "fact": "day: sunrise-to-sunrise · sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "The second half of Pūrṇimā must be present during the day. It covers 0 of 1440 minutes on the 21st and 679 of 1440 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one day qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 8206 s"
        },
        {
          "step": "ruling",
          "text": "Rakṣā Bandhana, Zunyi, 2021: Sunday 22 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "raksha-bandhana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana"
          }
        ],
        "kaala": "day",
        "priority": "unstated",
        "when_absent": "unstated",
        "half": "second"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-08-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-08-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Rakṣā Bandhana (Rakhi) 2021 falls on Sunday 22 August. The second half of Pūrṇimā runs from 08:43 on Sun 22 Aug to 20:02 on Sun 22 Aug and lies within that day, sunrise to sunrise.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/rishi-tarpana",
      "festival": "rishi-tarpana",
      "name": "Ṛṣi Tarpaṇa",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-08-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24173,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2021-08-21T21:30:49+08:00",
          "utc": "2021-08-21T13:30:49Z",
          "ms": 1629552648565.0303
        },
        "end": {
          "local": "2021-08-22T20:01:58+08:00",
          "utc": "2021-08-22T12:01:58Z",
          "ms": 1629633718194.8428
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-08-21T21:30:49+08:00",
          "utc": "2021-08-21T13:30:49Z",
          "ms": 1629552648565.0303
        },
        "end": {
          "local": "2021-08-22T20:01:58+08:00",
          "utc": "2021-08-22T12:01:58Z",
          "ms": 1629633718194.8428
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-08-21",
          "window": {
            "start": {
              "local": "2021-08-21T12:31:20+08:00",
              "utc": "2021-08-21T04:31:20Z",
              "ms": 1629520279959.2405
            },
            "end": {
              "local": "2021-08-21T13:19:20+08:00",
              "utc": "2021-08-21T05:19:20Z",
              "ms": 1629523159959.2405
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-08-22",
          "window": {
            "start": {
              "local": "2021-08-22T12:31:05+08:00",
              "utc": "2021-08-22T04:31:05Z",
              "ms": 1629606664726.5298
            },
            "end": {
              "local": "2021-08-22T13:19:05+08:00",
              "utc": "2021-08-22T05:19:05Z",
              "ms": 1629609544726.5298
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 21:31 on Sat 21 Aug to 20:02 on Sun 22 Aug.",
          "fact": "2021-08-21T13:30:49Z → 2021-08-22T12:01:58Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 21st, 12:31–13:19 on the 22nd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 21st and 48 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 24173 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Tarpaṇa, Zunyi, 2021: Sunday 22 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": "2021-08-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-08-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Ṛṣi Tarpaṇa 2021 falls on Sunday 22 August. Pūrṇimā runs from 21:31 on Sat 21 Aug to 20:02 on Sun 22 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/ashunya-shayana-vrata",
      "festival": "ashunya-shayana-vrata",
      "name": "Aśūnya Śayana Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-08-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4490,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2021-08-23T19:01:17+08:00",
          "utc": "2021-08-23T11:01:17Z",
          "ms": 1629716477285.9854
        },
        "end": {
          "local": "2021-08-24T18:35:20+08:00",
          "utc": "2021-08-24T10:35:20Z",
          "ms": 1629801319949.3787
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-08-23T19:01:17+08:00",
          "utc": "2021-08-23T11:01:17Z",
          "ms": 1629716477285.9854
        },
        "end": {
          "local": "2021-08-24T18:35:20+08:00",
          "utc": "2021-08-24T10:35:20Z",
          "ms": 1629801319949.3787
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2021-08-23",
          "window": {
            "start": {
              "local": "2021-08-23T20:16:08+08:00",
              "utc": "2021-08-23T12:16:08Z",
              "ms": 1629720967780.1553
            },
            "end": {
              "local": "2021-08-23T20:16:08+08:00",
              "utc": "2021-08-23T12:16:08Z",
              "ms": 1629720967780.1553
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2021-08-24",
          "window": {
            "start": {
              "local": "2021-08-24T20:49:29+08:00",
              "utc": "2021-08-24T12:49:29Z",
              "ms": 1629809369227.0789
            },
            "end": {
              "local": "2021-08-24T20:49:29+08:00",
              "utc": "2021-08-24T12:49:29Z",
              "ms": 1629809369227.0789
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 19:01 on Mon 23 Aug to 18:35 on Tue 24 Aug.",
          "fact": "2021-08-23T11:01:17Z → 2021-08-24T10:35:20Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:16 on the 23rd and 20:49 on the 24th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā must be current at moonrise. It is on the 23rd and is not on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 4490 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata, Zunyi, 2021: Monday 23 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": "2021-08-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-08-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Aśūnya Śayana Vrata 2021 falls on Monday 23 August. Dvitīyā runs from 19:01 on Mon 23 Aug to 18:35 on Tue 24 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/kajjali-tritiya",
      "festival": "kajjali-tritiya",
      "name": "Kajjalī Tṛtīyā",
      "everyday": "Kajari Teej",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-08-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19007,
      "anga": {
        "type": "tithi",
        "index": 17,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2021-08-24T18:35:20+08:00",
          "utc": "2021-08-24T10:35:20Z",
          "ms": 1629801319949.3787
        },
        "end": {
          "local": "2021-08-25T18:49:01+08:00",
          "utc": "2021-08-25T10:49:01Z",
          "ms": 1629888541177.9712
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-08-24T18:35:20+08:00",
          "utc": "2021-08-24T10:35:20Z",
          "ms": 1629801319949.3787
        },
        "end": {
          "local": "2021-08-25T18:49:01+08:00",
          "utc": "2021-08-25T10:49:01Z",
          "ms": 1629888541177.9712
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-08-24",
          "window": {
            "start": {
              "local": "2021-08-24T12:30:33+08:00",
              "utc": "2021-08-24T04:30:33Z",
              "ms": 1629779432943.7107
            },
            "end": {
              "local": "2021-08-24T13:18:33+08:00",
              "utc": "2021-08-24T05:18:33Z",
              "ms": 1629782312943.7107
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-08-25",
          "window": {
            "start": {
              "local": "2021-08-25T12:30:16+08:00",
              "utc": "2021-08-25T04:30:16Z",
              "ms": 1629865816428.767
            },
            "end": {
              "local": "2021-08-25T13:18:16+08:00",
              "utc": "2021-08-25T05:18:16Z",
              "ms": 1629868696428.767
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 18:35 on Tue 24 Aug to 18:49 on Wed 25 Aug.",
          "fact": "2021-08-24T10:35:20Z → 2021-08-25T10:49:01Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:31–13:19 on the 24th, 12:30–13:18 on the 25th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 48 of 48 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 19007 s"
        },
        {
          "step": "ruling",
          "text": "Kajjalī Tṛtīyā, Zunyi, 2021: Wednesday 25 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": "2021-08-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-08-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Kajjalī Tṛtīyā (Kajari Teej) 2021 falls on Wednesday 25 August. Tṛtīyā runs from 18:35 on Tue 24 Aug to 18:49 on Wed 25 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/bahula-chaturthi",
      "festival": "bahula-chaturthi",
      "name": "Bahulā Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-08-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1494,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-08-25T18:49:01+08:00",
          "utc": "2021-08-25T10:49:01Z",
          "ms": 1629888541177.9712
        },
        "end": {
          "local": "2021-08-26T19:44:23+08:00",
          "utc": "2021-08-26T11:44:23Z",
          "ms": 1629978263034.748
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-08-25T18:49:01+08:00",
          "utc": "2021-08-25T10:49:01Z",
          "ms": 1629888541177.9712
        },
        "end": {
          "local": "2021-08-26T19:44:23+08:00",
          "utc": "2021-08-26T11:44:23Z",
          "ms": 1629978263034.748
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2021-08-25",
          "window": {
            "start": {
              "local": "2021-08-25T16:46:02+08:00",
              "utc": "2021-08-25T08:46:02Z",
              "ms": 1629881161721.3586
            },
            "end": {
              "local": "2021-08-25T19:20:32+08:00",
              "utc": "2021-08-25T11:20:32Z",
              "ms": 1629890431916.4194
            }
          },
          "covered_min": 32,
          "window_min": 155,
          "qualifies": true
        },
        {
          "local_date": "2021-08-26",
          "window": {
            "start": {
              "local": "2021-08-26T16:45:17+08:00",
              "utc": "2021-08-26T08:45:17Z",
              "ms": 1629967517345.686
            },
            "end": {
              "local": "2021-08-26T19:19:29+08:00",
              "utc": "2021-08-26T11:19:29Z",
              "ms": 1629976769228.512
            }
          },
          "covered_min": 154,
          "window_min": 154,
          "qualifies": true
        }
      ],
      "decided_by": "purvaviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 18:49 on Wed 25 Aug to 19:44 on Thu 26 Aug.",
          "fact": "2021-08-25T10:49:01Z → 2021-08-26T11:44:23Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:46–19:21 on the 25th, 16:45–19:19 on the 26th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during sāyāhna. It covers 32 of 155 minutes on the 25th and 154 of 154 on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Both late afternoons qualify. Pūrvaviddhā: the first is taken.",
          "fact": "priority: purvaviddha → purvaviddha · margin 1494 s"
        },
        {
          "step": "ruling",
          "text": "Bahulā Caturthī, Zunyi, 2021: Wednesday 25 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": "2021-08-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-08-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Bahulā Caturthī 2021 falls on Wednesday 25 August. Caturthī runs from 18:49 on Wed 25 Aug to 19:44 on Thu 26 Aug and covers 32 of 155 minutes of sāyāhna that late afternoon. It also reaches the next late afternoon for 154 minutes; by the rule the first late afternoon is taken.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/sankashta-chaturthi?on=2021-08-25",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-08-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7599,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-08-25T18:49:01+08:00",
          "utc": "2021-08-25T10:49:01Z",
          "ms": 1629888541177.9712
        },
        "end": {
          "local": "2021-08-26T19:44:23+08:00",
          "utc": "2021-08-26T11:44:23Z",
          "ms": 1629978263034.748
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-08-25T18:49:01+08:00",
          "utc": "2021-08-25T10:49:01Z",
          "ms": 1629888541177.9712
        },
        "end": {
          "local": "2021-08-26T19:44:23+08:00",
          "utc": "2021-08-26T11:44:23Z",
          "ms": 1629978263034.748
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2021-08-25",
          "window": {
            "start": {
              "local": "2021-08-25T21:20:41+08:00",
              "utc": "2021-08-25T13:20:41Z",
              "ms": 1629897641163.8313
            },
            "end": {
              "local": "2021-08-25T21:20:41+08:00",
              "utc": "2021-08-25T13:20:41Z",
              "ms": 1629897641163.8313
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2021-08-26",
          "window": {
            "start": {
              "local": "2021-08-26T21:51:02+08:00",
              "utc": "2021-08-26T13:51:02Z",
              "ms": 1629985861790.924
            },
            "end": {
              "local": "2021-08-26T21:51:02+08:00",
              "utc": "2021-08-26T13:51:02Z",
              "ms": 1629985861790.924
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 18:49 on Wed 25 Aug to 19:44 on Thu 26 Aug.",
          "fact": "2021-08-25T10:49:01Z → 2021-08-26T11:44:23Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:21 on the 25th and 21:51 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 7599 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Zunyi, 2021: Wednesday 25 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": "2021-08-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-08-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2021 falls on Wednesday 25 August. Caturthī runs from 18:49 on Wed 25 Aug to 19:44 on Thu 26 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/sankashta-chaturthi?on=2021-08-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/hala-shashthi",
      "festival": "hala-shashthi",
      "name": "Hala Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-08-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28900,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2021-08-27T21:19:23+08:00",
          "utc": "2021-08-27T13:19:23Z",
          "ms": 1630070362547.8616
        },
        "end": {
          "local": "2021-08-28T23:27:04+08:00",
          "utc": "2021-08-28T15:27:04Z",
          "ms": 1630164423876.2168
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-08-27T21:19:23+08:00",
          "utc": "2021-08-27T13:19:23Z",
          "ms": 1630070362547.8616
        },
        "end": {
          "local": "2021-08-28T23:27:04+08:00",
          "utc": "2021-08-28T15:27:04Z",
          "ms": 1630164423876.2168
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-08-27",
          "window": {
            "start": {
              "local": "2021-08-27T12:29:42+08:00",
              "utc": "2021-08-27T04:29:42Z",
              "ms": 1630038582238.9524
            },
            "end": {
              "local": "2021-08-27T13:17:42+08:00",
              "utc": "2021-08-27T05:17:42Z",
              "ms": 1630041462238.9524
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-08-28",
          "window": {
            "start": {
              "local": "2021-08-28T12:29:25+08:00",
              "utc": "2021-08-28T04:29:25Z",
              "ms": 1630124964598.2183
            },
            "end": {
              "local": "2021-08-28T13:17:25+08:00",
              "utc": "2021-08-28T05:17:25Z",
              "ms": 1630127844598.2183
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 21:19 on Fri 27 Aug to 23:27 on Sat 28 Aug.",
          "fact": "2021-08-27T13:19:23Z → 2021-08-28T15:27:04Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 27th, 12:29–13:17 on the 28th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 27th and 48 of 48 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 28900 s"
        },
        {
          "step": "ruling",
          "text": "Hala Ṣaṣṭhī, Zunyi, 2021: Saturday 28 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "hala-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 6 Hala sasthi (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-08-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-08-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Hala Ṣaṣṭhī 2021 falls on Saturday 28 August. Ṣaṣṭhī runs from 21:19 on Fri 27 Aug to 23:27 on Sat 28 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/shitala-saptami",
      "festival": "shitala-saptami",
      "name": "Śītalā Saptamī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-08-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36579,
      "anga": {
        "type": "tithi",
        "index": 21,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2021-08-28T23:27:04+08:00",
          "utc": "2021-08-28T15:27:04Z",
          "ms": 1630164423876.2168
        },
        "end": {
          "local": "2021-08-30T01:55:43+08:00",
          "utc": "2021-08-29T17:55:43Z",
          "ms": 1630259743350.7341
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-08-28T23:27:04+08:00",
          "utc": "2021-08-28T15:27:04Z",
          "ms": 1630164423876.2168
        },
        "end": {
          "local": "2021-08-30T01:55:43+08:00",
          "utc": "2021-08-29T17:55:43Z",
          "ms": 1630259743350.7341
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-08-28",
          "window": {
            "start": {
              "local": "2021-08-28T12:29:25+08:00",
              "utc": "2021-08-28T04:29:25Z",
              "ms": 1630124964598.2183
            },
            "end": {
              "local": "2021-08-28T13:17:25+08:00",
              "utc": "2021-08-28T05:17:25Z",
              "ms": 1630127844598.2183
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-08-29",
          "window": {
            "start": {
              "local": "2021-08-29T12:29:07+08:00",
              "utc": "2021-08-29T04:29:07Z",
              "ms": 1630211346615.9321
            },
            "end": {
              "local": "2021-08-29T13:17:07+08:00",
              "utc": "2021-08-29T05:17:07Z",
              "ms": 1630214226615.9321
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 23:27 on Sat 28 Aug to 01:56 on Mon 30 Aug.",
          "fact": "2021-08-28T15:27:04Z → 2021-08-29T17:55:43Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:29–13:17 on the 28th, 12:29–13:17 on the 29th.",
          "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 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: purvaviddha → only-day · margin 36579 s"
        },
        {
          "step": "ruling",
          "text": "Śītalā Saptamī, Zunyi, 2021: Sunday 29 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shitala-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 7 Sitala saptami (purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-08-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-08-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Śītalā Saptamī 2021 falls on Sunday 29 August. Saptamī runs from 23:27 on Sat 28 Aug to 01:56 on Mon 30 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/janmashtami",
      "festival": "janmashtami",
      "name": "Janmāṣṭamī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-08-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2303,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2021-08-30T01:55:43+08:00",
          "utc": "2021-08-29T17:55:43Z",
          "ms": 1630259743350.7341
        },
        "end": {
          "local": "2021-08-31T04:30:07+08:00",
          "utc": "2021-08-30T20:30:07Z",
          "ms": 1630355407150.1482
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-08-30T01:55:43+08:00",
          "utc": "2021-08-29T17:55:43Z",
          "ms": 1630259743350.7341
        },
        "end": {
          "local": "2021-08-31T04:30:07+08:00",
          "utc": "2021-08-30T20:30:07Z",
          "ms": 1630355407150.1482
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2021-08-29",
          "window": {
            "start": {
              "local": "2021-08-30T00:29:21+08:00",
              "utc": "2021-08-29T16:29:21Z",
              "ms": 1630254560783.544
            },
            "end": {
              "local": "2021-08-30T01:17:21+08:00",
              "utc": "2021-08-29T17:17:21Z",
              "ms": 1630257440783.544
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-08-30",
          "window": {
            "start": {
              "local": "2021-08-31T00:29:02+08:00",
              "utc": "2021-08-30T16:29:02Z",
              "ms": 1630340942417.9575
            },
            "end": {
              "local": "2021-08-31T01:17:02+08:00",
              "utc": "2021-08-30T17:17:02Z",
              "ms": 1630343822417.9575
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 01:56 on Mon 30 Aug to 04:30 on Tue 31 Aug.",
          "fact": "2021-08-29T17:55:43Z → 2021-08-30T20:30:07Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:29–01:17 on the 29th, 00:29–01:17 on the 30th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during niśītha. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 2303 s"
        },
        {
          "step": "ruling",
          "text": "Janmāṣṭamī, Zunyi, 2021: Monday 30 August.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "janmashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami."
          }
        ],
        "not_evaluated": "The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.",
        "kaala": "nishita",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-08-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-08-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Janmāṣṭamī 2021 falls on Monday 30 August. Aṣṭamī runs from 01:56 on Mon 30 Aug to 04:30 on Tue 31 Aug and covers all of niśītha that night.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/ekadashi?on=2021-09-03",
      "festival": "ekadashi",
      "name": "Ajā Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-09-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8431,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-09-02T08:52:19+08:00",
          "utc": "2021-09-02T00:52:19Z",
          "ms": 1630543939295.4053
        },
        "end": {
          "local": "2021-09-03T10:14:33+08:00",
          "utc": "2021-09-03T02:14:33Z",
          "ms": 1630635273231.409
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-09-02T08:52:19+08:00",
          "utc": "2021-09-02T00:52:19Z",
          "ms": 1630543939295.4053
        },
        "end": {
          "local": "2021-09-03T10:14:33+08:00",
          "utc": "2021-09-03T02:14:33Z",
          "ms": 1630635273231.409
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-09-02",
          "window": {
            "start": {
              "local": "2021-09-02T06:31:48+08:00",
              "utc": "2021-09-01T22:31:48Z",
              "ms": 1630535508260.6553
            },
            "end": {
              "local": "2021-09-02T06:31:48+08:00",
              "utc": "2021-09-01T22:31:48Z",
              "ms": 1630535508260.6553
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2021-09-03",
          "window": {
            "start": {
              "local": "2021-09-03T06:32:16+08:00",
              "utc": "2021-09-02T22:32:16Z",
              "ms": 1630621936171.9097
            },
            "end": {
              "local": "2021-09-03T06:32:16+08:00",
              "utc": "2021-09-02T22:32:16Z",
              "ms": 1630621936171.9097
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 08:52 on Thu 2 Sep to 10:15 on Fri 3 Sep.",
          "fact": "2021-09-02T00:52:19Z → 2021-09-03T02:14:33Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:32 on the 2nd and 06:32 on the 3rd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 2nd and is on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 8431 s"
        },
        {
          "step": "ruling",
          "text": "Ajā Ekādaśī, Zunyi, 2021: Friday 3 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": "2021-09-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-09-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Ajā Ekādaśī 2021 falls on Friday 3 September. Ekādaśī runs from 08:52 on Thu 2 Sep to 10:15 on Fri 3 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-09-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/pradosha-vrata?on=2021-09-04",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-09-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29697,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-09-04T10:54:43+08:00",
          "utc": "2021-09-04T02:54:43Z",
          "ms": 1630724083434.5637
        },
        "end": {
          "local": "2021-09-05T10:51:51+08:00",
          "utc": "2021-09-05T02:51:51Z",
          "ms": 1630810311313.7163
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-09-04T10:54:43+08:00",
          "utc": "2021-09-04T02:54:43Z",
          "ms": 1630724083434.5637
        },
        "end": {
          "local": "2021-09-05T10:51:51+08:00",
          "utc": "2021-09-05T02:51:51Z",
          "ms": 1630810311313.7163
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-09-04",
          "window": {
            "start": {
              "local": "2021-09-04T19:09:41+08:00",
              "utc": "2021-09-04T11:09:41Z",
              "ms": 1630753780927.277
            },
            "end": {
              "local": "2021-09-04T20:40:49+08:00",
              "utc": "2021-09-04T12:40:49Z",
              "ms": 1630759249034.6863
            }
          },
          "covered_min": 91,
          "window_min": 91,
          "qualifies": true
        },
        {
          "local_date": "2021-09-05",
          "window": {
            "start": {
              "local": "2021-09-05T19:08:33+08:00",
              "utc": "2021-09-05T11:08:33Z",
              "ms": 1630840113343.5762
            },
            "end": {
              "local": "2021-09-05T20:39:54+08:00",
              "utc": "2021-09-05T12:39:54Z",
              "ms": 1630845594150.4043
            }
          },
          "covered_min": 0,
          "window_min": 91,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 10:55 on Sat 4 Sep to 10:52 on Sun 5 Sep.",
          "fact": "2021-09-04T02:54:43Z → 2021-09-05T02:51:51Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:10–20:41 on the 4th, 19:09–20:40 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 91 of 91 minutes on the 4th and 0 of 91 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 29697 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2021: Saturday 4 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": "2021-09-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-09-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2021 falls on Saturday 4 September. Trayodaśī runs from 10:55 on Sat 4 Sep to 10:52 on Sun 5 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/pradosha-vrata?on=2021-09-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/aghora-chaturdashi",
      "festival": "aghora-chaturdashi",
      "name": "Aghora Caturdaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-09-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29802,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2021-09-05T10:51:51+08:00",
          "utc": "2021-09-05T02:51:51Z",
          "ms": 1630810311313.7163
        },
        "end": {
          "local": "2021-09-06T10:08:57+08:00",
          "utc": "2021-09-06T02:08:57Z",
          "ms": 1630894137312.203
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-09-05T10:51:51+08:00",
          "utc": "2021-09-05T02:51:51Z",
          "ms": 1630810311313.7163
        },
        "end": {
          "local": "2021-09-06T10:08:57+08:00",
          "utc": "2021-09-06T02:08:57Z",
          "ms": 1630894137312.203
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-09-05",
          "window": {
            "start": {
              "local": "2021-09-05T19:08:33+08:00",
              "utc": "2021-09-05T11:08:33Z",
              "ms": 1630840113343.5762
            },
            "end": {
              "local": "2021-09-05T20:39:54+08:00",
              "utc": "2021-09-05T12:39:54Z",
              "ms": 1630845594150.4043
            }
          },
          "covered_min": 91,
          "window_min": 91,
          "qualifies": true
        },
        {
          "local_date": "2021-09-06",
          "window": {
            "start": {
              "local": "2021-09-06T19:07:25+08:00",
              "utc": "2021-09-06T11:07:25Z",
              "ms": 1630926445405.116
            },
            "end": {
              "local": "2021-09-06T20:38:59+08:00",
              "utc": "2021-09-06T12:38:59Z",
              "ms": 1630931938949.1677
            }
          },
          "covered_min": 0,
          "window_min": 92,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 10:52 on Sun 5 Sep to 10:09 on Mon 6 Sep.",
          "fact": "2021-09-05T02:51:51Z → 2021-09-06T02:08:57Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:09–20:40 on the 5th, 19:07–20:39 on the 6th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during pradoṣa. It covers 91 of 91 minutes on the 5th and 0 of 92 on the 6th.",
          "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 29802 s"
        },
        {
          "step": "ruling",
          "text": "Aghora Caturdaśī, Zunyi, 2021: Sunday 5 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": "2021-09-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-09-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Aghora Caturdaśī 2021 falls on Sunday 5 September. Caturdaśī runs from 10:52 on Sun 5 Sep to 10:09 on Mon 6 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/shivaratri?on=2021-09-05",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-09-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32031,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2021-09-05T10:51:51+08:00",
          "utc": "2021-09-05T02:51:51Z",
          "ms": 1630810311313.7163
        },
        "end": {
          "local": "2021-09-06T10:08:57+08:00",
          "utc": "2021-09-06T02:08:57Z",
          "ms": 1630894137312.203
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-09-05T10:51:51+08:00",
          "utc": "2021-09-05T02:51:51Z",
          "ms": 1630810311313.7163
        },
        "end": {
          "local": "2021-09-06T10:08:57+08:00",
          "utc": "2021-09-06T02:08:57Z",
          "ms": 1630894137312.203
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2021-09-04",
          "window": {
            "start": {
              "local": "2021-09-05T00:27:26+08:00",
              "utc": "2021-09-04T16:27:26Z",
              "ms": 1630772846330.0615
            },
            "end": {
              "local": "2021-09-05T01:15:26+08:00",
              "utc": "2021-09-04T17:15:26Z",
              "ms": 1630775726330.0615
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-09-05",
          "window": {
            "start": {
              "local": "2021-09-06T00:27:06+08:00",
              "utc": "2021-09-05T16:27:06Z",
              "ms": 1630859226369.1816
            },
            "end": {
              "local": "2021-09-06T01:15:06+08:00",
              "utc": "2021-09-05T17:15:06Z",
              "ms": 1630862106369.1816
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 10:52 on Sun 5 Sep to 10:09 on Mon 6 Sep.",
          "fact": "2021-09-05T02:51:51Z → 2021-09-06T02:08:57Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:27–01:15 on the 4th, 00:27–01:15 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 32031 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Zunyi, 2021: Sunday 5 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": "2021-09-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-09-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Śivarātri 2021 falls on Sunday 5 September. Caturdaśī runs from 10:52 on Sun 5 Sep to 10:09 on Mon 6 Sep and covers all of niśītha that night.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/shivaratri?on=2021-09-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/rudra-vrata",
      "festival": "rudra-vrata",
      "name": "Rudra Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-09-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12866,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2021-09-07T08:51:46+08:00",
          "utc": "2021-09-07T00:51:46Z",
          "ms": 1630975906330.8936
        },
        "end": {
          "local": "2021-09-08T07:07:34+08:00",
          "utc": "2021-09-07T23:07:34Z",
          "ms": 1631056054221.895
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-09-07T08:51:46+08:00",
          "utc": "2021-09-07T00:51:46Z",
          "ms": 1630975906330.8936
        },
        "end": {
          "local": "2021-09-08T07:07:34+08:00",
          "utc": "2021-09-07T23:07:34Z",
          "ms": 1631056054221.895
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-09-07",
          "window": {
            "start": {
              "local": "2021-09-07T12:26:12+08:00",
              "utc": "2021-09-07T04:26:12Z",
              "ms": 1630988772060.1846
            },
            "end": {
              "local": "2021-09-07T13:14:12+08:00",
              "utc": "2021-09-07T05:14:12Z",
              "ms": 1630991652060.1846
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-09-08",
          "window": {
            "start": {
              "local": "2021-09-08T12:25:52+08:00",
              "utc": "2021-09-08T04:25:52Z",
              "ms": 1631075151533.1982
            },
            "end": {
              "local": "2021-09-08T13:13:52+08:00",
              "utc": "2021-09-08T05:13:52Z",
              "ms": 1631078031533.1982
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 08:52 on Tue 7 Sep to 07:08 on Wed 8 Sep.",
          "fact": "2021-09-07T00:51:46Z → 2021-09-07T23:07:34Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 7th, 12:26–13:14 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 48 of 48 minutes on the 7th and 0 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 12866 s"
        },
        {
          "step": "ruling",
          "text": "Rudra Vrata, Zunyi, 2021: Tuesday 7 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": "2021-09-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-09-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Rudra Vrata 2021 falls on Tuesday 7 September. Pratipadā runs from 08:52 on Tue 7 Sep to 07:08 on Wed 8 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/haritalika-vrata",
      "festival": "haritalika-vrata",
      "name": "Haritālikā Vrata",
      "everyday": "Hartalika Teej",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-09-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26485,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2021-09-09T05:04:06+08:00",
          "utc": "2021-09-08T21:04:06Z",
          "ms": 1631135045803.9832
        },
        "end": {
          "local": "2021-09-10T02:48:47+08:00",
          "utc": "2021-09-09T18:48:47Z",
          "ms": 1631213327157.2253
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-09-09T05:04:06+08:00",
          "utc": "2021-09-08T21:04:06Z",
          "ms": 1631135045803.9832
        },
        "end": {
          "local": "2021-09-10T02:48:47+08:00",
          "utc": "2021-09-09T18:48:47Z",
          "ms": 1631213327157.2253
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-09-09",
          "window": {
            "start": {
              "local": "2021-09-09T12:25:31+08:00",
              "utc": "2021-09-09T04:25:31Z",
              "ms": 1631161530833.31
            },
            "end": {
              "local": "2021-09-09T13:13:31+08:00",
              "utc": "2021-09-09T05:13:31Z",
              "ms": 1631164410833.31
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-09-10",
          "window": {
            "start": {
              "local": "2021-09-10T12:25:10+08:00",
              "utc": "2021-09-10T04:25:10Z",
              "ms": 1631247909975.2598
            },
            "end": {
              "local": "2021-09-10T13:13:10+08:00",
              "utc": "2021-09-10T05:13:10Z",
              "ms": 1631250789975.2598
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 05:04 on Thu 9 Sep to 02:49 on Fri 10 Sep.",
          "fact": "2021-09-08T21:04:06Z → 2021-09-09T18:48:47Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:26–13:14 on the 9th, 12:25–13:13 on the 10th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 26485 s"
        },
        {
          "step": "ruling",
          "text": "Haritālikā Vrata, Zunyi, 2021: Thursday 9 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": "2021-09-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-09-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Haritālikā Vrata (Hartalika Teej) 2021 falls on Thursday 9 September. Tṛtīyā runs from 05:04 on Thu 9 Sep to 02:49 on Fri 10 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/ganesha-chaturthi",
      "festival": "ganesha-chaturthi",
      "name": "Gaṇeśa Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-09-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34583,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-09-10T02:48:47+08:00",
          "utc": "2021-09-09T18:48:47Z",
          "ms": 1631213327157.2253
        },
        "end": {
          "local": "2021-09-11T00:28:12+08:00",
          "utc": "2021-09-10T16:28:12Z",
          "ms": 1631291291632.3604
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-09-10T02:48:47+08:00",
          "utc": "2021-09-09T18:48:47Z",
          "ms": 1631213327157.2253
        },
        "end": {
          "local": "2021-09-11T00:28:12+08:00",
          "utc": "2021-09-10T16:28:12Z",
          "ms": 1631291291632.3604
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-09-10",
          "window": {
            "start": {
              "local": "2021-09-10T12:25:10+08:00",
              "utc": "2021-09-10T04:25:10Z",
              "ms": 1631247909975.2598
            },
            "end": {
              "local": "2021-09-10T13:13:10+08:00",
              "utc": "2021-09-10T05:13:10Z",
              "ms": 1631250789975.2598
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-09-11",
          "window": {
            "start": {
              "local": "2021-09-11T12:24:49+08:00",
              "utc": "2021-09-11T04:24:49Z",
              "ms": 1631334288974.729
            },
            "end": {
              "local": "2021-09-11T13:12:49+08:00",
              "utc": "2021-09-11T05:12:49Z",
              "ms": 1631337168974.729
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 02:49 on Fri 10 Sep to 00:28 on Sat 11 Sep.",
          "fact": "2021-09-09T18:48:47Z → 2021-09-10T16:28:12Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 10th, 12:25–13:13 on the 11th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 34583 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Caturthī, Zunyi, 2021: Friday 10 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": "2021-09-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-09-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Gaṇeśa Caturthī 2021 falls on Friday 10 September. Caturthī runs from 02:49 on Fri 10 Sep to 00:28 on Sat 11 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/rishi-panchami",
      "festival": "rishi-panchami",
      "name": "Ṛṣi Pañcamī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-09-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32090,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2021-09-11T00:28:12+08:00",
          "utc": "2021-09-10T16:28:12Z",
          "ms": 1631291291632.3604
        },
        "end": {
          "local": "2021-09-11T22:07:39+08:00",
          "utc": "2021-09-11T14:07:39Z",
          "ms": 1631369258739.9177
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-09-11T00:28:12+08:00",
          "utc": "2021-09-10T16:28:12Z",
          "ms": 1631291291632.3604
        },
        "end": {
          "local": "2021-09-11T22:07:39+08:00",
          "utc": "2021-09-11T14:07:39Z",
          "ms": 1631369258739.9177
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-09-10",
          "window": {
            "start": {
              "local": "2021-09-10T12:25:10+08:00",
              "utc": "2021-09-10T04:25:10Z",
              "ms": 1631247909975.2598
            },
            "end": {
              "local": "2021-09-10T13:13:10+08:00",
              "utc": "2021-09-10T05:13:10Z",
              "ms": 1631250789975.2598
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-09-11",
          "window": {
            "start": {
              "local": "2021-09-11T12:24:49+08:00",
              "utc": "2021-09-11T04:24:49Z",
              "ms": 1631334288974.729
            },
            "end": {
              "local": "2021-09-11T13:12:49+08:00",
              "utc": "2021-09-11T05:12:49Z",
              "ms": 1631337168974.729
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 00:28 on Sat 11 Sep to 22:08 on Sat 11 Sep.",
          "fact": "2021-09-10T16:28:12Z → 2021-09-11T14:07:39Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 10th, 12:25–13:13 on the 11th.",
          "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 10th and 48 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: disputed → only-day · margin 32090 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Pañcamī, Zunyi, 2021: Saturday 11 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": "2021-09-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-09-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Ṛṣi Pañcamī 2021 falls on Saturday 11 September. Pañcamī runs from 00:28 on Sat 11 Sep to 22:08 on Sat 11 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/surya-shashthi-bhadrapada",
      "festival": "surya-shashthi-bhadrapada",
      "name": "Sūrya Ṣaṣṭhī (Bhādrapada)",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-09-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23918,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2021-09-11T22:07:39+08:00",
          "utc": "2021-09-11T14:07:39Z",
          "ms": 1631369258739.9177
        },
        "end": {
          "local": "2021-09-12T19:51:06+08:00",
          "utc": "2021-09-12T11:51:06Z",
          "ms": 1631447465972.6836
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-09-11T22:07:39+08:00",
          "utc": "2021-09-11T14:07:39Z",
          "ms": 1631369258739.9177
        },
        "end": {
          "local": "2021-09-12T19:51:06+08:00",
          "utc": "2021-09-12T11:51:06Z",
          "ms": 1631447465972.6836
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-09-11",
          "window": {
            "start": {
              "local": "2021-09-11T12:24:49+08:00",
              "utc": "2021-09-11T04:24:49Z",
              "ms": 1631334288974.729
            },
            "end": {
              "local": "2021-09-11T13:12:49+08:00",
              "utc": "2021-09-11T05:12:49Z",
              "ms": 1631337168974.729
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-09-12",
          "window": {
            "start": {
              "local": "2021-09-12T12:24:28+08:00",
              "utc": "2021-09-12T04:24:28Z",
              "ms": 1631420667847.3308
            },
            "end": {
              "local": "2021-09-12T13:12:28+08:00",
              "utc": "2021-09-12T05:12:28Z",
              "ms": 1631423547847.3308
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 22:08 on Sat 11 Sep to 19:51 on Sun 12 Sep.",
          "fact": "2021-09-11T14:07:39Z → 2021-09-12T11:51:06Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:25–13:13 on the 11th, 12:24–13:12 on the 12th.",
          "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 11th and 48 of 48 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 23918 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Zunyi, 2021: Sunday 12 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": "2021-09-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-09-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Sūrya Ṣaṣṭhī (Bhādrapada) 2021 falls on Sunday 12 September. Ṣaṣṭhī runs from 22:08 on Sat 11 Sep to 19:51 on Sun 12 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/muktabharana-vrata",
      "festival": "muktabharana-vrata",
      "name": "Muktābharaṇa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-09-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16147,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2021-09-12T19:51:06+08:00",
          "utc": "2021-09-12T11:51:06Z",
          "ms": 1631447465972.6836
        },
        "end": {
          "local": "2021-09-13T17:41:14+08:00",
          "utc": "2021-09-13T09:41:14Z",
          "ms": 1631526074048.579
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-09-12T19:51:06+08:00",
          "utc": "2021-09-12T11:51:06Z",
          "ms": 1631447465972.6836
        },
        "end": {
          "local": "2021-09-13T17:41:14+08:00",
          "utc": "2021-09-13T09:41:14Z",
          "ms": 1631526074048.579
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-09-12",
          "window": {
            "start": {
              "local": "2021-09-12T12:24:28+08:00",
              "utc": "2021-09-12T04:24:28Z",
              "ms": 1631420667847.3308
            },
            "end": {
              "local": "2021-09-12T13:12:28+08:00",
              "utc": "2021-09-12T05:12:28Z",
              "ms": 1631423547847.3308
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-09-13",
          "window": {
            "start": {
              "local": "2021-09-13T12:24:07+08:00",
              "utc": "2021-09-13T04:24:07Z",
              "ms": 1631507046611.2732
            },
            "end": {
              "local": "2021-09-13T13:12:07+08:00",
              "utc": "2021-09-13T05:12:07Z",
              "ms": 1631509926611.2732
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 19:51 on Sun 12 Sep to 17:41 on Mon 13 Sep.",
          "fact": "2021-09-12T11:51:06Z → 2021-09-13T09:41:14Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:24–13:12 on the 12th, 12:24–13:12 on the 13th.",
          "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 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: purvaviddha → only-day · margin 16147 s"
        },
        {
          "step": "ruling",
          "text": "Muktābharaṇa Vrata, Zunyi, 2021: Monday 13 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": "2021-09-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-09-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Muktābharaṇa Vrata 2021 falls on Monday 13 September. Saptamī runs from 19:51 on Sun 12 Sep to 17:41 on Mon 13 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/radhashtami",
      "festival": "radhashtami",
      "name": "Rādhāṣṭamī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-09-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8880,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2021-09-13T17:41:14+08:00",
          "utc": "2021-09-13T09:41:14Z",
          "ms": 1631526074048.579
        },
        "end": {
          "local": "2021-09-14T15:39:45+08:00",
          "utc": "2021-09-14T07:39:45Z",
          "ms": 1631605185074.7563
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-09-13T17:41:14+08:00",
          "utc": "2021-09-13T09:41:14Z",
          "ms": 1631526074048.579
        },
        "end": {
          "local": "2021-09-14T15:39:45+08:00",
          "utc": "2021-09-14T07:39:45Z",
          "ms": 1631605185074.7563
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-09-13",
          "window": {
            "start": {
              "local": "2021-09-13T12:24:07+08:00",
              "utc": "2021-09-13T04:24:07Z",
              "ms": 1631507046611.2732
            },
            "end": {
              "local": "2021-09-13T13:12:07+08:00",
              "utc": "2021-09-13T05:12:07Z",
              "ms": 1631509926611.2732
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-09-14",
          "window": {
            "start": {
              "local": "2021-09-14T12:23:45+08:00",
              "utc": "2021-09-14T04:23:45Z",
              "ms": 1631593425284.929
            },
            "end": {
              "local": "2021-09-14T13:11:45+08:00",
              "utc": "2021-09-14T05:11:45Z",
              "ms": 1631596305284.929
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 17:41 on Mon 13 Sep to 15:40 on Tue 14 Sep.",
          "fact": "2021-09-13T09:41:14Z → 2021-09-14T07:39:45Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:24–13:12 on the 13th, 12:24–13:12 on the 14th.",
          "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 13th and 48 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 8880 s"
        },
        {
          "step": "ruling",
          "text": "Rādhāṣṭamī, Zunyi, 2021: Tuesday 14 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": "2021-09-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-09-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Rādhāṣṭamī 2021 falls on Tuesday 14 September. Aṣṭamī runs from 17:41 on Mon 13 Sep to 15:40 on Tue 14 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/ekadashi?on=2021-09-17",
      "festival": "ekadashi",
      "name": "Parivartanī Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-09-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14372,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-09-16T12:06:45+08:00",
          "utc": "2021-09-16T04:06:45Z",
          "ms": 1631765204823.9773
        },
        "end": {
          "local": "2021-09-17T10:38:13+08:00",
          "utc": "2021-09-17T02:38:13Z",
          "ms": 1631846292846.6733
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-09-16T12:06:45+08:00",
          "utc": "2021-09-16T04:06:45Z",
          "ms": 1631765204823.9773
        },
        "end": {
          "local": "2021-09-17T10:38:13+08:00",
          "utc": "2021-09-17T02:38:13Z",
          "ms": 1631846292846.6733
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-09-16",
          "window": {
            "start": {
              "local": "2021-09-16T06:38:13+08:00",
              "utc": "2021-09-15T22:38:13Z",
              "ms": 1631745493210.5598
            },
            "end": {
              "local": "2021-09-16T06:38:13+08:00",
              "utc": "2021-09-15T22:38:13Z",
              "ms": 1631745493210.5598
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2021-09-17",
          "window": {
            "start": {
              "local": "2021-09-17T06:38:41+08:00",
              "utc": "2021-09-16T22:38:41Z",
              "ms": 1631831920510.0918
            },
            "end": {
              "local": "2021-09-17T06:38:41+08:00",
              "utc": "2021-09-16T22:38:41Z",
              "ms": 1631831920510.0918
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 12:07 on Thu 16 Sep to 10:38 on Fri 17 Sep.",
          "fact": "2021-09-16T04:06:45Z → 2021-09-17T02:38:13Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:38 on the 16th and 06:39 on the 17th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 16th and is on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 14372 s"
        },
        {
          "step": "ruling",
          "text": "Parivartanī Ekādaśī, Zunyi, 2021: Friday 17 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-09-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-09-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Parivartanī Ekādaśī 2021 falls on Friday 17 September. Ekādaśī runs from 12:07 on Thu 16 Sep to 10:38 on Fri 17 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-09-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/vamana-jayanti",
      "festival": "vamana-jayanti",
      "name": "Vāmana Jayantī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-09-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6268,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2021-09-17T10:38:13+08:00",
          "utc": "2021-09-17T02:38:13Z",
          "ms": 1631846292846.6733
        },
        "end": {
          "local": "2021-09-18T09:24:52+08:00",
          "utc": "2021-09-18T01:24:52Z",
          "ms": 1631928291744.821
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-09-17T10:38:13+08:00",
          "utc": "2021-09-17T02:38:13Z",
          "ms": 1631846292846.6733
        },
        "end": {
          "local": "2021-09-18T09:24:52+08:00",
          "utc": "2021-09-18T01:24:52Z",
          "ms": 1631928291744.821
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-09-17",
          "window": {
            "start": {
              "local": "2021-09-17T12:22:41+08:00",
              "utc": "2021-09-17T04:22:41Z",
              "ms": 1631852560967.428
            },
            "end": {
              "local": "2021-09-17T13:10:41+08:00",
              "utc": "2021-09-17T05:10:41Z",
              "ms": 1631855440967.428
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-09-18",
          "window": {
            "start": {
              "local": "2021-09-18T12:22:19+08:00",
              "utc": "2021-09-18T04:22:19Z",
              "ms": 1631938939488.1763
            },
            "end": {
              "local": "2021-09-18T13:10:19+08:00",
              "utc": "2021-09-18T05:10:19Z",
              "ms": 1631941819488.1763
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 10:38 on Fri 17 Sep to 09:25 on Sat 18 Sep.",
          "fact": "2021-09-17T02:38:13Z → 2021-09-18T01:24:52Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 17th, 12:22–13:10 on the 18th.",
          "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 17th and 0 of 48 on the 18th.",
          "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 6268 s"
        },
        {
          "step": "ruling",
          "text": "Vāmana Jayantī, Zunyi, 2021: Friday 17 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": "2021-09-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-09-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Vāmana Jayantī 2021 falls on Friday 17 September. Dvādaśī runs from 10:38 on Fri 17 Sep to 09:25 on Sat 18 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/pradosha-vrata?on=2021-09-18",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-09-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34119,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-09-18T09:24:52+08:00",
          "utc": "2021-09-18T01:24:52Z",
          "ms": 1631928291744.821
        },
        "end": {
          "local": "2021-09-19T08:30:15+08:00",
          "utc": "2021-09-19T00:30:15Z",
          "ms": 1632011414983.054
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-09-18T09:24:52+08:00",
          "utc": "2021-09-18T01:24:52Z",
          "ms": 1631928291744.821
        },
        "end": {
          "local": "2021-09-19T08:30:15+08:00",
          "utc": "2021-09-19T00:30:15Z",
          "ms": 1632011414983.054
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-09-18",
          "window": {
            "start": {
              "local": "2021-09-18T18:53:31+08:00",
              "utc": "2021-09-18T10:53:31Z",
              "ms": 1631962411129.6729
            },
            "end": {
              "local": "2021-09-18T20:27:40+08:00",
              "utc": "2021-09-18T12:27:40Z",
              "ms": 1631968059677.3784
            }
          },
          "covered_min": 94,
          "window_min": 94,
          "qualifies": true
        },
        {
          "local_date": "2021-09-19",
          "window": {
            "start": {
              "local": "2021-09-19T18:52:21+08:00",
              "utc": "2021-09-19T10:52:21Z",
              "ms": 1632048740816.9297
            },
            "end": {
              "local": "2021-09-19T20:26:42+08:00",
              "utc": "2021-09-19T12:26:42Z",
              "ms": 1632054402401.388
            }
          },
          "covered_min": 0,
          "window_min": 94,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 09:25 on Sat 18 Sep to 08:30 on Sun 19 Sep.",
          "fact": "2021-09-18T01:24:52Z → 2021-09-19T00:30:15Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:54–20:28 on the 18th, 18:52–20:27 on the 19th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 94 of 94 minutes on the 18th and 0 of 94 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 34119 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Zunyi, 2021: Saturday 18 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": "2021-09-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-09-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Śukla Pradoṣa Vrata 2021 falls on Saturday 18 September. Trayodaśī runs from 09:25 on Sat 18 Sep to 08:30 on Sun 19 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/pradosha-vrata?on=2021-09-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/ananta-chaturdashi",
      "festival": "ananta-chaturdashi",
      "name": "Ananta Caturdaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-09-19",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 2153,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2021-09-19T08:30:15+08:00",
          "utc": "2021-09-19T00:30:15Z",
          "ms": 1632011414983.054
        },
        "end": {
          "local": "2021-09-20T07:58:41+08:00",
          "utc": "2021-09-19T23:58:41Z",
          "ms": 1632095920689.206
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-09-19T08:30:15+08:00",
          "utc": "2021-09-19T00:30:15Z",
          "ms": 1632011414983.054
        },
        "end": {
          "local": "2021-09-20T07:58:41+08:00",
          "utc": "2021-09-19T23:58:41Z",
          "ms": 1632095920689.206
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "2021-09-19",
          "window": {
            "start": {
              "local": "2021-09-19T06:39:35+08:00",
              "utc": "2021-09-18T22:39:35Z",
              "ms": 1632004775237.464
            },
            "end": {
              "local": "2021-09-19T09:06:08+08:00",
              "utc": "2021-09-19T01:06:08Z",
              "ms": 1632013568353.3572
            }
          },
          "covered_min": 36,
          "window_min": 147,
          "qualifies": false
        },
        {
          "local_date": "2021-09-20",
          "window": {
            "start": {
              "local": "2021-09-20T06:40:03+08:00",
              "utc": "2021-09-19T22:40:03Z",
              "ms": 1632091202700.3662
            },
            "end": {
              "local": "2021-09-20T09:06:16+08:00",
              "utc": "2021-09-20T01:06:16Z",
              "ms": 1632099976263.5105
            }
          },
          "covered_min": 79,
          "window_min": 146,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 08:30 on Sun 19 Sep to 07:59 on Mon 20 Sep.",
          "fact": "2021-09-19T00:30:15Z → 2021-09-19T23:58:41Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:40–09:06 on the 19th, 06:40–09:06 on the 20th.",
          "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 36 of 147 minutes on the 19th and 79 of 146 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Neither morning qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 2153 s"
        },
        {
          "step": "ruling",
          "text": "Ananta Caturdaśī, Zunyi, 2021: Sunday 19 September.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ananta-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 14 Ananta caturdasi (covering three muhurtas from sunrise, but one muhurta in Bengal)."
          }
        ],
        "not_evaluated": "In Bengal the row asks for one muhūrta from sunrise; that reading is not applied.",
        "kaala": "udaya-3",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-09-19",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-09-19",
          "confidence": "boundary"
        }
      ],
      "quote": "In Zunyi, Ananta Caturdaśī 2021 falls on Sunday 19 September. Caturdaśī runs from 08:30 on Sun 19 Sep to 07:59 on Mon 20 Sep, and reaches the first three muhūrtas after sunrise on neither day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/sankashta-chaturthi?on=2021-09-24",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-09-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29942,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-09-24T11:00:17+08:00",
          "utc": "2021-09-24T03:00:17Z",
          "ms": 1632452417169.6191
        },
        "end": {
          "local": "2021-09-25T13:06:37+08:00",
          "utc": "2021-09-25T05:06:37Z",
          "ms": 1632546396975.3542
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-09-24T11:00:17+08:00",
          "utc": "2021-09-24T03:00:17Z",
          "ms": 1632452417169.6191
        },
        "end": {
          "local": "2021-09-25T13:06:37+08:00",
          "utc": "2021-09-25T05:06:37Z",
          "ms": 1632546396975.3542
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2021-09-24",
          "window": {
            "start": {
              "local": "2021-09-24T20:51:57+08:00",
              "utc": "2021-09-24T12:51:57Z",
              "ms": 1632487917043.5247
            },
            "end": {
              "local": "2021-09-24T20:51:57+08:00",
              "utc": "2021-09-24T12:51:57Z",
              "ms": 1632487917043.5247
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2021-09-25",
          "window": {
            "start": {
              "local": "2021-09-25T21:25:39+08:00",
              "utc": "2021-09-25T13:25:39Z",
              "ms": 1632576338860.476
            },
            "end": {
              "local": "2021-09-25T21:25:39+08:00",
              "utc": "2021-09-25T13:25:39Z",
              "ms": 1632576338860.476
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:00 on Fri 24 Sep to 13:07 on Sat 25 Sep.",
          "fact": "2021-09-24T03:00:17Z → 2021-09-25T05:06:37Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:52 on the 24th and 21:26 on the 25th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 24th and is not on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 29942 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Zunyi, 2021: Friday 24 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": "2021-09-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-09-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2021 falls on Friday 24 September. Caturthī runs from 11:00 on Fri 24 Sep to 13:07 on Sat 25 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/sankashta-chaturthi?on=2021-09-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/chandra-shashthi",
      "festival": "chandra-shashthi",
      "name": "Candra Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-09-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16193,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2021-09-26T15:35:10+08:00",
          "utc": "2021-09-26T07:35:10Z",
          "ms": 1632641709530.054
        },
        "end": {
          "local": "2021-09-27T18:13:41+08:00",
          "utc": "2021-09-27T10:13:41Z",
          "ms": 1632737621425.356
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-09-26T15:35:10+08:00",
          "utc": "2021-09-26T07:35:10Z",
          "ms": 1632641709530.054
        },
        "end": {
          "local": "2021-09-27T18:13:41+08:00",
          "utc": "2021-09-27T10:13:41Z",
          "ms": 1632737621425.356
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2021-09-26",
          "window": {
            "start": {
              "local": "2021-09-26T22:02:33+08:00",
              "utc": "2021-09-26T14:02:33Z",
              "ms": 1632664953124.4607
            },
            "end": {
              "local": "2021-09-26T22:02:33+08:00",
              "utc": "2021-09-26T14:02:33Z",
              "ms": 1632664953124.4607
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2021-09-27",
          "window": {
            "start": {
              "local": "2021-09-27T22:43:34+08:00",
              "utc": "2021-09-27T14:43:34Z",
              "ms": 1632753814192.359
            },
            "end": {
              "local": "2021-09-27T22:43:34+08:00",
              "utc": "2021-09-27T14:43:34Z",
              "ms": 1632753814192.359
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 15:35 on Sun 26 Sep to 18:14 on Mon 27 Sep.",
          "fact": "2021-09-26T07:35:10Z → 2021-09-27T10:13:41Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 22:03 on the 26th and 22:44 on the 27th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be current at moonrise. It is on the 26th and is not on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 16193 s"
        },
        {
          "step": "ruling",
          "text": "Candra Ṣaṣṭhī, Zunyi, 2021: Sunday 26 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "chandra-shashthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 6 Candra sasthi (Sasthi current at moon-rise, if occurs on two successive days, it is to be observed on the first day)."
          }
        ],
        "kaala": "moonrise",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-09-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-09-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Candra Ṣaṣṭhī 2021 falls on Sunday 26 September. Ṣaṣṭhī runs from 15:35 on Sun 26 Sep to 18:14 on Mon 27 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/mahalakshmi-vrata-samapana",
      "festival": "mahalakshmi-vrata-samapana",
      "name": "Mahālakṣmī Vrata Samāpana",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-09-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4788,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2021-09-28T20:47:12+08:00",
          "utc": "2021-09-28T12:47:12Z",
          "ms": 1632833231593.218
        },
        "end": {
          "local": "2021-09-29T23:00:07+08:00",
          "utc": "2021-09-29T15:00:07Z",
          "ms": 1632927606624.5154
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-09-28T20:47:12+08:00",
          "utc": "2021-09-28T12:47:12Z",
          "ms": 1632833231593.218
        },
        "end": {
          "local": "2021-09-29T23:00:07+08:00",
          "utc": "2021-09-29T15:00:07Z",
          "ms": 1632927606624.5154
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2021-09-28",
          "window": {
            "start": {
              "local": "2021-09-28T23:29:19+08:00",
              "utc": "2021-09-28T15:29:19Z",
              "ms": 1632842958983.9724
            },
            "end": {
              "local": "2021-09-28T23:29:19+08:00",
              "utc": "2021-09-28T15:29:19Z",
              "ms": 1632842958983.9724
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2021-09-29",
          "window": {
            "start": {
              "local": "2021-09-30T00:19:54+08:00",
              "utc": "2021-09-29T16:19:54Z",
              "ms": 1632932394161.7488
            },
            "end": {
              "local": "2021-09-30T00:19:54+08:00",
              "utc": "2021-09-29T16:19:54Z",
              "ms": 1632932394161.7488
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 20:47 on Tue 28 Sep to 23:00 on Wed 29 Sep.",
          "fact": "2021-09-28T12:47:12Z → 2021-09-29T15:00:07Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 23:29 on the 28th and 00:20 on the 29th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is on the 28th and is not on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 4788 s"
        },
        {
          "step": "ruling",
          "text": "Mahālakṣmī Vrata Samāpana, Zunyi, 2021: Tuesday 28 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "mahalakshmi-vrata-samapana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja"
          }
        ],
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-09-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-09-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Mahālakṣmī Vrata Samāpana 2021 falls on Tuesday 28 September. Aṣṭamī runs from 20:47 on Tue 28 Sep to 23:00 on Wed 29 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/jitashtami",
      "festival": "jitashtami",
      "name": "Jitāṣṭamī",
      "everyday": "Jitiya",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-09-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1740,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2021-09-28T20:47:12+08:00",
          "utc": "2021-09-28T12:47:12Z",
          "ms": 1632833231593.218
        },
        "end": {
          "local": "2021-09-29T23:00:07+08:00",
          "utc": "2021-09-29T15:00:07Z",
          "ms": 1632927606624.5154
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-09-28T20:47:12+08:00",
          "utc": "2021-09-28T12:47:12Z",
          "ms": 1632833231593.218
        },
        "end": {
          "local": "2021-09-29T23:00:07+08:00",
          "utc": "2021-09-29T15:00:07Z",
          "ms": 1632927606624.5154
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-09-28",
          "window": {
            "start": {
              "local": "2021-09-28T18:41:52+08:00",
              "utc": "2021-09-28T10:41:52Z",
              "ms": 1632825712040.7383
            },
            "end": {
              "local": "2021-09-28T20:18:11+08:00",
              "utc": "2021-09-28T12:18:11Z",
              "ms": 1632831491244.1096
            }
          },
          "covered_min": 0,
          "window_min": 96,
          "qualifies": false
        },
        {
          "local_date": "2021-09-29",
          "window": {
            "start": {
              "local": "2021-09-29T18:40:43+08:00",
              "utc": "2021-09-29T10:40:43Z",
              "ms": 1632912043152.2012
            },
            "end": {
              "local": "2021-09-29T20:17:15+08:00",
              "utc": "2021-09-29T12:17:15Z",
              "ms": 1632917835426.401
            }
          },
          "covered_min": 97,
          "window_min": 97,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 20:47 on Tue 28 Sep to 23:00 on Wed 29 Sep.",
          "fact": "2021-09-28T12:47:12Z → 2021-09-29T15:00:07Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:42–20:18 on the 28th, 18:41–20:17 on the 29th.",
          "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 96 minutes on the 28th and 97 of 97 on the 29th.",
          "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 1740 s"
        },
        {
          "step": "ruling",
          "text": "Jitāṣṭamī, Zunyi, 2021: Wednesday 29 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "jitashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja"
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-09-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-09-29",
          "confidence": "boundary"
        }
      ],
      "quote": "In Zunyi, Jitāṣṭamī (Jitiya) 2021 falls on Wednesday 29 September. Aṣṭamī runs from 20:47 on Tue 28 Sep to 23:00 on Wed 29 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/ekadashi?on=2021-10-02",
      "festival": "ekadashi",
      "name": "Indirā Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-10-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 18310,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-10-02T01:34:04+08:00",
          "utc": "2021-10-01T17:34:04Z",
          "ms": 1633109643512.5212
        },
        "end": {
          "local": "2021-10-03T01:41:04+08:00",
          "utc": "2021-10-02T17:41:04Z",
          "ms": 1633196464170.053
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-10-02T01:34:04+08:00",
          "utc": "2021-10-01T17:34:04Z",
          "ms": 1633109643512.5212
        },
        "end": {
          "local": "2021-10-03T01:41:04+08:00",
          "utc": "2021-10-02T17:41:04Z",
          "ms": 1633196464170.053
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-10-02",
          "window": {
            "start": {
              "local": "2021-10-02T06:45:44+08:00",
              "utc": "2021-10-01T22:45:44Z",
              "ms": 1633128344261.303
            },
            "end": {
              "local": "2021-10-02T06:45:44+08:00",
              "utc": "2021-10-01T22:45:44Z",
              "ms": 1633128344261.303
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2021-10-03",
          "window": {
            "start": {
              "local": "2021-10-03T06:46:14+08:00",
              "utc": "2021-10-02T22:46:14Z",
              "ms": 1633214774194.9568
            },
            "end": {
              "local": "2021-10-03T06:46:14+08:00",
              "utc": "2021-10-02T22:46:14Z",
              "ms": 1633214774194.9568
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 01:34 on Sat 2 Oct to 01:41 on Sun 3 Oct.",
          "fact": "2021-10-01T17:34:04Z → 2021-10-02T17:41:04Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:46 on the 2nd and 06:46 on the 3rd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 2nd and is not on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 18310 s"
        },
        {
          "step": "ruling",
          "text": "Indirā Ekādaśī, Zunyi, 2021: Saturday 2 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": "2021-10-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-10-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Indirā Ekādaśī 2021 falls on Saturday 2 October. Ekādaśī runs from 01:34 on Sat 2 Oct to 01:41 on Sun 3 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-10-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/pradosha-vrata?on=2021-10-04",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-10-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12186,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-10-04T01:00:14+08:00",
          "utc": "2021-10-03T17:00:14Z",
          "ms": 1633280414328.9983
        },
        "end": {
          "local": "2021-10-04T23:35:47+08:00",
          "utc": "2021-10-04T15:35:47Z",
          "ms": 1633361747375.3333
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-10-04T01:00:14+08:00",
          "utc": "2021-10-03T17:00:14Z",
          "ms": 1633280414328.9983
        },
        "end": {
          "local": "2021-10-04T23:35:47+08:00",
          "utc": "2021-10-04T15:35:47Z",
          "ms": 1633361747375.3333
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-10-03",
          "window": {
            "start": {
              "local": "2021-10-03T18:36:11+08:00",
              "utc": "2021-10-03T10:36:11Z",
              "ms": 1633257370851.3782
            },
            "end": {
              "local": "2021-10-03T20:13:35+08:00",
              "utc": "2021-10-03T12:13:35Z",
              "ms": 1633263215326.414
            }
          },
          "covered_min": 0,
          "window_min": 97,
          "qualifies": false
        },
        {
          "local_date": "2021-10-04",
          "window": {
            "start": {
              "local": "2021-10-04T18:35:04+08:00",
              "utc": "2021-10-04T10:35:04Z",
              "ms": 1633343703723.16
            },
            "end": {
              "local": "2021-10-04T20:12:41+08:00",
              "utc": "2021-10-04T12:12:41Z",
              "ms": 1633349561217.1497
            }
          },
          "covered_min": 98,
          "window_min": 98,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 01:00 on Mon 4 Oct to 23:36 on Mon 4 Oct.",
          "fact": "2021-10-03T17:00:14Z → 2021-10-04T15:35:47Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:36–20:14 on the 3rd, 18:35–20:13 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 97 minutes on the 3rd and 98 of 98 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 12186 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2021: Monday 4 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-10-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-10-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2021 falls on Monday 4 October. Trayodaśī runs from 01:00 on Mon 4 Oct to 23:36 on Mon 4 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/pradosha-vrata?on=2021-10-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/shivaratri?on=2021-10-04",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-10-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2482,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2021-10-04T23:35:47+08:00",
          "utc": "2021-10-04T15:35:47Z",
          "ms": 1633361747375.3333
        },
        "end": {
          "local": "2021-10-05T21:34:40+08:00",
          "utc": "2021-10-05T13:34:40Z",
          "ms": 1633440880115.8916
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-10-04T23:35:47+08:00",
          "utc": "2021-10-04T15:35:47Z",
          "ms": 1633361747375.3333
        },
        "end": {
          "local": "2021-10-05T21:34:40+08:00",
          "utc": "2021-10-05T13:34:40Z",
          "ms": 1633440880115.8916
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2021-10-04",
          "window": {
            "start": {
              "local": "2021-10-05T00:17:09+08:00",
              "utc": "2021-10-04T16:17:09Z",
              "ms": 1633364229325.6216
            },
            "end": {
              "local": "2021-10-05T01:05:09+08:00",
              "utc": "2021-10-04T17:05:09Z",
              "ms": 1633367109325.6216
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-10-05",
          "window": {
            "start": {
              "local": "2021-10-06T00:16:51+08:00",
              "utc": "2021-10-05T16:16:51Z",
              "ms": 1633450611385.1104
            },
            "end": {
              "local": "2021-10-06T01:04:51+08:00",
              "utc": "2021-10-05T17:04:51Z",
              "ms": 1633453491385.1104
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 23:36 on Mon 4 Oct to 21:35 on Tue 5 Oct.",
          "fact": "2021-10-04T15:35:47Z → 2021-10-05T13:34:40Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:17–01:05 on the 4th, 00:17–01:05 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 48 of 48 minutes on the 4th and 0 of 48 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2482 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Zunyi, 2021: Monday 4 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": "2021-10-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-10-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Śivarātri 2021 falls on Monday 4 October. Caturdaśī runs from 23:36 on Mon 4 Oct to 21:35 on Tue 5 Oct and covers all of niśītha that night.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/shivaratri?on=2021-10-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/mahalaya-amavasya",
      "festival": "mahalaya-amavasya",
      "name": "Mahālaya Amāvāsyā",
      "everyday": "Sarvapitṛ Amāvāsyā",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-10-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10414,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2021-10-05T21:34:40+08:00",
          "utc": "2021-10-05T13:34:40Z",
          "ms": 1633440880115.8916
        },
        "end": {
          "local": "2021-10-06T19:05:24+08:00",
          "utc": "2021-10-06T11:05:24Z",
          "ms": 1633518324024.194
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-10-05T21:34:40+08:00",
          "utc": "2021-10-05T13:34:40Z",
          "ms": 1633440880115.8916
        },
        "end": {
          "local": "2021-10-06T19:05:24+08:00",
          "utc": "2021-10-06T11:05:24Z",
          "ms": 1633518324024.194
        }
      },
      "kaala": "aparahna",
      "days": [
        {
          "local_date": "2021-10-05",
          "window": {
            "start": {
              "local": "2021-10-05T13:51:16+08:00",
              "utc": "2021-10-05T05:51:16Z",
              "ms": 1633413076186.4539
            },
            "end": {
              "local": "2021-10-05T16:12:37+08:00",
              "utc": "2021-10-05T08:12:37Z",
              "ms": 1633421556605.9106
            }
          },
          "covered_min": 0,
          "window_min": 141,
          "qualifies": false
        },
        {
          "local_date": "2021-10-06",
          "window": {
            "start": {
              "local": "2021-10-06T13:50:49+08:00",
              "utc": "2021-10-06T05:50:49Z",
              "ms": 1633499448767.6113
            },
            "end": {
              "local": "2021-10-06T16:11:50+08:00",
              "utc": "2021-10-06T08:11:50Z",
              "ms": 1633507909775.1973
            }
          },
          "covered_min": 141,
          "window_min": 141,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 21:35 on Tue 5 Oct to 19:05 on Wed 6 Oct.",
          "fact": "2021-10-05T13:34:40Z → 2021-10-06T11:05:24Z"
        },
        {
          "step": "kaala",
          "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:51–16:13 on the 5th, 13:51–16:12 on the 6th.",
          "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during aparāhṇa. It covers 0 of 141 minutes on the 5th and 141 of 141 on the 6th.",
          "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 10414 s"
        },
        {
          "step": "ruling",
          "text": "Mahālaya Amāvāsyā, Zunyi, 2021: Wednesday 6 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": "2021-10-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-10-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Mahālaya Amāvāsyā 2021 falls on Wednesday 6 October. Amāvasyā runs from 21:35 on Tue 5 Oct to 19:05 on Wed 6 Oct and covers all of aparāhṇa that afternoon.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/navaratra-arambha",
      "festival": "navaratra-arambha",
      "name": "Navarātrārambha",
      "everyday": "Navratri",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-10-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11588,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2021-10-06T19:05:24+08:00",
          "utc": "2021-10-06T11:05:24Z",
          "ms": 1633518324024.194
        },
        "end": {
          "local": "2021-10-07T16:17:09+08:00",
          "utc": "2021-10-07T08:17:09Z",
          "ms": 1633594628706.3806
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-10-06T19:05:24+08:00",
          "utc": "2021-10-06T11:05:24Z",
          "ms": 1633518324024.194
        },
        "end": {
          "local": "2021-10-07T16:17:09+08:00",
          "utc": "2021-10-07T08:17:09Z",
          "ms": 1633594628706.3806
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-10-06",
          "window": {
            "start": {
              "local": "2021-10-06T12:16:18+08:00",
              "utc": "2021-10-06T04:16:18Z",
              "ms": 1633493778263.8184
            },
            "end": {
              "local": "2021-10-06T13:04:18+08:00",
              "utc": "2021-10-06T05:04:18Z",
              "ms": 1633496658263.8184
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-10-07",
          "window": {
            "start": {
              "local": "2021-10-07T12:16:01+08:00",
              "utc": "2021-10-07T04:16:01Z",
              "ms": 1633580160945.6128
            },
            "end": {
              "local": "2021-10-07T13:04:01+08:00",
              "utc": "2021-10-07T05:04:01Z",
              "ms": 1633583040945.6128
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 19:05 on Wed 6 Oct to 16:17 on Thu 7 Oct.",
          "fact": "2021-10-06T11:05:24Z → 2021-10-07T08:17:09Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 6th, 12:16–13:04 on the 7th.",
          "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 6th and 48 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 11588 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha, Zunyi, 2021: Thursday 7 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": "2021-10-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-10-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Navarātrārambha (Navratri) 2021 falls on Thursday 7 October. Pratipadā runs from 19:05 on Wed 6 Oct to 16:17 on Thu 7 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/vinayaka-chaturthi?on=2021-10-09",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-10-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6963,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-10-09T10:19:24+08:00",
          "utc": "2021-10-09T02:19:24Z",
          "ms": 1633745964334.8374
        },
        "end": {
          "local": "2021-10-10T07:25:55+08:00",
          "utc": "2021-10-09T23:25:55Z",
          "ms": 1633821955186.8008
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-10-09T10:19:24+08:00",
          "utc": "2021-10-09T02:19:24Z",
          "ms": 1633745964334.8374
        },
        "end": {
          "local": "2021-10-10T07:25:55+08:00",
          "utc": "2021-10-09T23:25:55Z",
          "ms": 1633821955186.8008
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-10-09",
          "window": {
            "start": {
              "local": "2021-10-09T12:15:28+08:00",
              "utc": "2021-10-09T04:15:28Z",
              "ms": 1633752927553.8425
            },
            "end": {
              "local": "2021-10-09T13:03:28+08:00",
              "utc": "2021-10-09T05:03:28Z",
              "ms": 1633755807553.8425
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-10-10",
          "window": {
            "start": {
              "local": "2021-10-10T12:15:12+08:00",
              "utc": "2021-10-10T04:15:12Z",
              "ms": 1633839311510.5535
            },
            "end": {
              "local": "2021-10-10T13:03:12+08:00",
              "utc": "2021-10-10T05:03:12Z",
              "ms": 1633842191510.5535
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 10:19 on Sat 9 Oct to 07:26 on Sun 10 Oct.",
          "fact": "2021-10-09T02:19:24Z → 2021-10-09T23:25:55Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 9th, 12:15–13:03 on the 10th.",
          "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 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 midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 6963 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Zunyi, 2021: Saturday 9 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": "2021-10-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-10-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Vināyaka Caturthī 2021 falls on Saturday 9 October. Caturthī runs from 10:19 on Sat 9 Oct to 07:26 on Sun 10 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/vinayaka-chaturthi?on=2021-10-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/durga-saptami",
      "festival": "durga-saptami",
      "name": "Durgā Saptamī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-10-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16197,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2021-10-12T02:21:01+08:00",
          "utc": "2021-10-11T18:21:01Z",
          "ms": 1633976460705.7144
        },
        "end": {
          "local": "2021-10-13T00:18:03+08:00",
          "utc": "2021-10-12T16:18:03Z",
          "ms": 1634055483044.329
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-10-12T02:21:01+08:00",
          "utc": "2021-10-11T18:21:01Z",
          "ms": 1633976460705.7144
        },
        "end": {
          "local": "2021-10-13T00:18:03+08:00",
          "utc": "2021-10-12T16:18:03Z",
          "ms": 1634055483044.329
        }
      },
      "kaala": "udaya-1",
      "days": [
        {
          "local_date": "2021-10-12",
          "window": {
            "start": {
              "local": "2021-10-12T06:50:57+08:00",
              "utc": "2021-10-11T22:50:57Z",
              "ms": 1633992657359.1611
            },
            "end": {
              "local": "2021-10-12T07:37:19+08:00",
              "utc": "2021-10-11T23:37:19Z",
              "ms": 1633995439152.4155
            }
          },
          "covered_min": 46,
          "window_min": 46,
          "qualifies": true
        },
        {
          "local_date": "2021-10-13",
          "window": {
            "start": {
              "local": "2021-10-13T06:51:30+08:00",
              "utc": "2021-10-12T22:51:30Z",
              "ms": 1634079090469.3843
            },
            "end": {
              "local": "2021-10-13T07:37:46+08:00",
              "utc": "2021-10-12T23:37:46Z",
              "ms": 1634081865898.0051
            }
          },
          "covered_min": 0,
          "window_min": 46,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 02:21 on Tue 12 Oct to 00:18 on Wed 13 Oct.",
          "fact": "2021-10-11T18:21:01Z → 2021-10-12T16:18:03Z"
        },
        {
          "step": "kaala",
          "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:51–07:37 on the 12th, 06:52–07:38 on the 13th.",
          "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 46 of 46 minutes on the 12th and 0 of 46 on the 13th.",
          "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 16197 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Saptamī, Zunyi, 2021: Tuesday 12 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": "2021-10-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-10-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Durgā Saptamī 2021 falls on Tuesday 12 October. Saptamī runs from 02:21 on Tue 12 Oct to 00:18 on Wed 13 Oct and covers all of the first muhūrta after sunrise that morning.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/mahashtami",
      "festival": "mahashtami",
      "name": "Mahāṣṭamī",
      "everyday": "Durga Ashtami",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-10-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34547,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2021-10-13T00:18:03+08:00",
          "utc": "2021-10-12T16:18:03Z",
          "ms": 1634055483044.329
        },
        "end": {
          "local": "2021-10-13T22:38:14+08:00",
          "utc": "2021-10-13T14:38:14Z",
          "ms": 1634135893562.7446
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-10-13T00:18:03+08:00",
          "utc": "2021-10-12T16:18:03Z",
          "ms": 1634055483044.329
        },
        "end": {
          "local": "2021-10-13T22:38:14+08:00",
          "utc": "2021-10-13T14:38:14Z",
          "ms": 1634135893562.7446
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-10-12",
          "window": {
            "start": {
              "local": "2021-10-12T12:14:41+08:00",
              "utc": "2021-10-12T04:14:41Z",
              "ms": 1634012080808.5688
            },
            "end": {
              "local": "2021-10-12T13:02:41+08:00",
              "utc": "2021-10-12T05:02:41Z",
              "ms": 1634014960808.5688
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-10-13",
          "window": {
            "start": {
              "local": "2021-10-13T12:14:26+08:00",
              "utc": "2021-10-13T04:14:26Z",
              "ms": 1634098466184.0415
            },
            "end": {
              "local": "2021-10-13T13:02:26+08:00",
              "utc": "2021-10-13T05:02:26Z",
              "ms": 1634101346184.0415
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 00:18 on Wed 13 Oct to 22:38 on Wed 13 Oct.",
          "fact": "2021-10-12T16:18:03Z → 2021-10-13T14:38:14Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 12th, 12:14–13:02 on the 13th.",
          "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 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 34547 s"
        },
        {
          "step": "ruling",
          "text": "Mahāṣṭamī, Zunyi, 2021: Wednesday 13 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": "2021-10-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-10-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Mahāṣṭamī (Durga Ashtami) 2021 falls on Wednesday 13 October. Aṣṭamī runs from 00:18 on Wed 13 Oct to 22:38 on Wed 13 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/mahanavami",
      "festival": "mahanavami",
      "name": "Mahānavamī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-10-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30039,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2021-10-13T22:38:14+08:00",
          "utc": "2021-10-13T14:38:14Z",
          "ms": 1634135893562.7446
        },
        "end": {
          "local": "2021-10-14T21:22:51+08:00",
          "utc": "2021-10-14T13:22:51Z",
          "ms": 1634217771249.8613
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-10-13T22:38:14+08:00",
          "utc": "2021-10-13T14:38:14Z",
          "ms": 1634135893562.7446
        },
        "end": {
          "local": "2021-10-14T21:22:51+08:00",
          "utc": "2021-10-14T13:22:51Z",
          "ms": 1634217771249.8613
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-10-13",
          "window": {
            "start": {
              "local": "2021-10-13T12:14:26+08:00",
              "utc": "2021-10-13T04:14:26Z",
              "ms": 1634098466184.0415
            },
            "end": {
              "local": "2021-10-13T13:02:26+08:00",
              "utc": "2021-10-13T05:02:26Z",
              "ms": 1634101346184.0415
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-10-14",
          "window": {
            "start": {
              "local": "2021-10-14T12:14:12+08:00",
              "utc": "2021-10-14T04:14:12Z",
              "ms": 1634184852068.0413
            },
            "end": {
              "local": "2021-10-14T13:02:12+08:00",
              "utc": "2021-10-14T05:02:12Z",
              "ms": 1634187732068.0413
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 22:38 on Wed 13 Oct to 21:23 on Thu 14 Oct.",
          "fact": "2021-10-13T14:38:14Z → 2021-10-14T13:22:51Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 13th, 12:14–13:02 on the 14th.",
          "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 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 30039 s"
        },
        {
          "step": "ruling",
          "text": "Mahānavamī, Zunyi, 2021: Thursday 14 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": "2021-10-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-10-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Mahānavamī 2021 falls on Thursday 14 October. Navamī runs from 22:38 on Wed 13 Oct to 21:23 on Thu 14 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/vijaya-dashami",
      "festival": "vijaya-dashami",
      "name": "Vijayā Daśamī",
      "everyday": "Dussehra",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-10-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10711,
      "anga": {
        "type": "tithi",
        "index": 9,
        "key": "dashami",
        "name": "Daśamī",
        "start": {
          "local": "2021-10-14T21:22:51+08:00",
          "utc": "2021-10-14T13:22:51Z",
          "ms": 1634217771249.8613
        },
        "end": {
          "local": "2021-10-15T20:32:38+08:00",
          "utc": "2021-10-15T12:32:38Z",
          "ms": 1634301158228.8752
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "conjunction",
        "start": {
          "local": "2021-10-14T21:22:51+08:00",
          "utc": "2021-10-14T13:22:51Z",
          "ms": 1634217771249.8613
        },
        "end": {
          "local": "2021-10-15T11:46:02+08:00",
          "utc": "2021-10-15T03:46:02Z",
          "ms": 1634269561953.3894
        },
        "nakshatra": {
          "type": "nakshatra",
          "index": 21,
          "key": "shravana",
          "name": "Śravaṇa",
          "start": {
            "local": "2021-10-14T12:05:14+08:00",
            "utc": "2021-10-14T04:05:14Z",
            "ms": 1634184313833.478
          },
          "end": {
            "local": "2021-10-15T11:46:02+08:00",
            "utc": "2021-10-15T03:46:02Z",
            "ms": 1634269561953.3894
          }
        }
      },
      "kaala": "daytime",
      "days": [
        {
          "local_date": "2021-10-14",
          "window": {
            "start": {
              "local": "2021-10-14T06:52:04+08:00",
              "utc": "2021-10-13T22:52:04Z",
              "ms": 1634165523933.9756
            },
            "end": {
              "local": "2021-10-14T18:24:20+08:00",
              "utc": "2021-10-14T10:24:20Z",
              "ms": 1634207060202.107
            }
          },
          "covered_min": 0,
          "window_min": 692,
          "qualifies": false
        },
        {
          "local_date": "2021-10-15",
          "window": {
            "start": {
              "local": "2021-10-15T06:52:38+08:00",
              "utc": "2021-10-14T22:52:38Z",
              "ms": 1634251957761.844
            },
            "end": {
              "local": "2021-10-15T18:23:19+08:00",
              "utc": "2021-10-15T10:23:19Z",
              "ms": 1634293399197.473
            }
          },
          "covered_min": 293,
          "window_min": 691,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Daśamī runs from 21:23 on Thu 14 Oct to 20:33 on Fri 15 Oct, and Śravaṇa from 12:05 on Thu 14 Oct to 11:46 on Fri 15 Oct. They are together from 21:23 on Thu 14 Oct to 11:46 on Fri 15 Oct.",
          "fact": "2021-10-14T13:22:51Z → 2021-10-15T03:46:02Z"
        },
        {
          "step": "kaala",
          "text": "The day time is sunrise to sunset: 06:52–18:24 on the 14th, 06:53–18:23 on the 15th.",
          "fact": "daytime: sunrise-to-sunset · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Where Daśamī touches Śravaṇa in the day time, that day is taken. Together they cover 0 of 692 minutes on the 14th and 293 of 691 on the 15th.",
          "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 10711 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Daśamī, Zunyi, 2021: Friday 15 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": "2021-10-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-10-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Vijayā Daśamī (Dussehra) 2021 falls on Friday 15 October. Daśamī runs from 21:23 on Thu 14 Oct to 20:33 on Fri 15 Oct and is with Śravaṇa in the day time that day, for 293 minutes.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/ekadashi?on=2021-10-16",
      "festival": "ekadashi",
      "name": "Pāśāṅkuśā Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-10-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37234,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-10-15T20:32:38+08:00",
          "utc": "2021-10-15T12:32:38Z",
          "ms": 1634301158228.8752
        },
        "end": {
          "local": "2021-10-16T20:08:02+08:00",
          "utc": "2021-10-16T12:08:02Z",
          "ms": 1634386082203.2666
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-10-15T20:32:38+08:00",
          "utc": "2021-10-15T12:32:38Z",
          "ms": 1634301158228.8752
        },
        "end": {
          "local": "2021-10-16T20:08:02+08:00",
          "utc": "2021-10-16T12:08:02Z",
          "ms": 1634386082203.2666
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-10-16",
          "window": {
            "start": {
              "local": "2021-10-16T06:53:12+08:00",
              "utc": "2021-10-15T22:53:12Z",
              "ms": 1634338391962.5757
            },
            "end": {
              "local": "2021-10-16T06:53:12+08:00",
              "utc": "2021-10-15T22:53:12Z",
              "ms": 1634338391962.5757
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2021-10-17",
          "window": {
            "start": {
              "local": "2021-10-17T06:53:47+08:00",
              "utc": "2021-10-16T22:53:47Z",
              "ms": 1634424826546.1863
            },
            "end": {
              "local": "2021-10-17T06:53:47+08:00",
              "utc": "2021-10-16T22:53:47Z",
              "ms": 1634424826546.1863
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 20:33 on Fri 15 Oct to 20:08 on Sat 16 Oct.",
          "fact": "2021-10-15T12:32:38Z → 2021-10-16T12:08:02Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:53 on the 16th and 06:54 on the 17th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 16th and is not on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 37234 s"
        },
        {
          "step": "ruling",
          "text": "Pāśāṅkuśā Ekādaśī, Zunyi, 2021: Saturday 16 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": "2021-10-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-10-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Pāśāṅkuśā Ekādaśī 2021 falls on Saturday 16 October. Ekādaśī runs from 20:33 on Fri 15 Oct to 20:08 on Sat 16 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-10-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/pradosha-vrata?on=2021-10-18",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-10-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 470,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-10-17T20:09:33+08:00",
          "utc": "2021-10-17T12:09:33Z",
          "ms": 1634472573378.013
        },
        "end": {
          "local": "2021-10-18T20:37:50+08:00",
          "utc": "2021-10-18T12:37:50Z",
          "ms": 1634560670106.6462
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-10-17T20:09:33+08:00",
          "utc": "2021-10-17T12:09:33Z",
          "ms": 1634472573378.013
        },
        "end": {
          "local": "2021-10-18T20:37:50+08:00",
          "utc": "2021-10-18T12:37:50Z",
          "ms": 1634560670106.6462
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-10-17",
          "window": {
            "start": {
              "local": "2021-10-17T18:21:19+08:00",
              "utc": "2021-10-17T10:21:19Z",
              "ms": 1634466079382.9858
            },
            "end": {
              "local": "2021-10-17T20:01:44+08:00",
              "utc": "2021-10-17T12:01:44Z",
              "ms": 1634472103668.3008
            }
          },
          "covered_min": 0,
          "window_min": 100,
          "qualifies": false
        },
        {
          "local_date": "2021-10-18",
          "window": {
            "start": {
              "local": "2021-10-18T18:20:21+08:00",
              "utc": "2021-10-18T10:20:21Z",
              "ms": 1634552420633.0862
            },
            "end": {
              "local": "2021-10-18T20:00:57+08:00",
              "utc": "2021-10-18T12:00:57Z",
              "ms": 1634558457469.0227
            }
          },
          "covered_min": 101,
          "window_min": 101,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 20:10 on Sun 17 Oct to 20:38 on Mon 18 Oct.",
          "fact": "2021-10-17T12:09:33Z → 2021-10-18T12:37:50Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:21–20:02 on the 17th, 18:20–20:01 on the 18th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 100 minutes on the 17th and 101 of 101 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 470 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Zunyi, 2021: Monday 18 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": "2021-10-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-10-18",
          "confidence": "boundary"
        }
      ],
      "quote": "In Zunyi, Śukla Pradoṣa Vrata 2021 falls on Monday 18 October. Trayodaśī runs from 20:10 on Sun 17 Oct to 20:38 on Mon 18 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/pradosha-vrata?on=2021-10-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/karaka-chaturthi",
      "festival": "karaka-chaturthi",
      "name": "Karaka Caturthī",
      "everyday": "Karwa Chauth",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-10-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34325,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-10-24T05:32:03+08:00",
          "utc": "2021-10-23T21:32:03Z",
          "ms": 1635024722765.3604
        },
        "end": {
          "local": "2021-10-25T08:13:54+08:00",
          "utc": "2021-10-25T00:13:54Z",
          "ms": 1635120834372.6958
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-10-24T05:32:03+08:00",
          "utc": "2021-10-23T21:32:03Z",
          "ms": 1635024722765.3604
        },
        "end": {
          "local": "2021-10-25T08:13:54+08:00",
          "utc": "2021-10-25T00:13:54Z",
          "ms": 1635120834372.6958
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2021-10-23",
          "window": {
            "start": {
              "local": "2021-10-23T19:59:57+08:00",
              "utc": "2021-10-23T11:59:57Z",
              "ms": 1634990397286.1553
            },
            "end": {
              "local": "2021-10-23T19:59:57+08:00",
              "utc": "2021-10-23T11:59:57Z",
              "ms": 1634990397286.1553
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2021-10-24",
          "window": {
            "start": {
              "local": "2021-10-24T20:39:18+08:00",
              "utc": "2021-10-24T12:39:18Z",
              "ms": 1635079157680.2368
            },
            "end": {
              "local": "2021-10-24T20:39:18+08:00",
              "utc": "2021-10-24T12:39:18Z",
              "ms": 1635079157680.2368
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 05:32 on Sun 24 Oct to 08:14 on Mon 25 Oct.",
          "fact": "2021-10-23T21:32:03Z → 2021-10-25T00:13:54Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:00 on the 23rd and 20:39 on the 24th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 23rd and is on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 34325 s"
        },
        {
          "step": "ruling",
          "text": "Karaka Caturthī, Zunyi, 2021: Sunday 24 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": "2021-10-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-10-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Karaka Caturthī (Karwa Chauth) 2021 falls on Sunday 24 October. Caturthī runs from 05:32 on Sun 24 Oct to 08:14 on Mon 25 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/sankashta-chaturthi?on=2021-10-24",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-10-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34325,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-10-24T05:32:03+08:00",
          "utc": "2021-10-23T21:32:03Z",
          "ms": 1635024722765.3604
        },
        "end": {
          "local": "2021-10-25T08:13:54+08:00",
          "utc": "2021-10-25T00:13:54Z",
          "ms": 1635120834372.6958
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-10-24T05:32:03+08:00",
          "utc": "2021-10-23T21:32:03Z",
          "ms": 1635024722765.3604
        },
        "end": {
          "local": "2021-10-25T08:13:54+08:00",
          "utc": "2021-10-25T00:13:54Z",
          "ms": 1635120834372.6958
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2021-10-23",
          "window": {
            "start": {
              "local": "2021-10-23T19:59:57+08:00",
              "utc": "2021-10-23T11:59:57Z",
              "ms": 1634990397286.1553
            },
            "end": {
              "local": "2021-10-23T19:59:57+08:00",
              "utc": "2021-10-23T11:59:57Z",
              "ms": 1634990397286.1553
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2021-10-24",
          "window": {
            "start": {
              "local": "2021-10-24T20:39:18+08:00",
              "utc": "2021-10-24T12:39:18Z",
              "ms": 1635079157680.2368
            },
            "end": {
              "local": "2021-10-24T20:39:18+08:00",
              "utc": "2021-10-24T12:39:18Z",
              "ms": 1635079157680.2368
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 05:32 on Sun 24 Oct to 08:14 on Mon 25 Oct.",
          "fact": "2021-10-23T21:32:03Z → 2021-10-25T00:13:54Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:00 on the 23rd and 20:39 on the 24th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 23rd and is on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 34325 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Zunyi, 2021: Sunday 24 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": "2021-10-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-10-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2021 falls on Sunday 24 October. Caturthī runs from 05:32 on Sun 24 Oct to 08:14 on Mon 25 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/sankashta-chaturthi?on=2021-10-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/ahoyi-ashtami",
      "festival": "ahoyi-ashtami",
      "name": "Ahoyī Aṣṭamī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-10-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29884,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2021-10-28T15:19:38+08:00",
          "utc": "2021-10-28T07:19:38Z",
          "ms": 1635405577724.8804
        },
        "end": {
          "local": "2021-10-29T16:39:55+08:00",
          "utc": "2021-10-29T08:39:55Z",
          "ms": 1635496795000.837
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-10-28T15:19:38+08:00",
          "utc": "2021-10-28T07:19:38Z",
          "ms": 1635405577724.8804
        },
        "end": {
          "local": "2021-10-29T16:39:55+08:00",
          "utc": "2021-10-29T08:39:55Z",
          "ms": 1635496795000.837
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2021-10-28",
          "window": {
            "start": {
              "local": "2021-10-28T23:59:53+08:00",
              "utc": "2021-10-28T15:59:53Z",
              "ms": 1635436793080.0535
            },
            "end": {
              "local": "2021-10-28T23:59:53+08:00",
              "utc": "2021-10-28T15:59:53Z",
              "ms": 1635436793080.0535
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2021-10-29",
          "window": {
            "start": {
              "local": "2021-10-30T00:57:59+08:00",
              "utc": "2021-10-29T16:57:59Z",
              "ms": 1635526678533.9907
            },
            "end": {
              "local": "2021-10-30T00:57:59+08:00",
              "utc": "2021-10-29T16:57:59Z",
              "ms": 1635526678533.9907
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 15:20 on Thu 28 Oct to 16:40 on Fri 29 Oct.",
          "fact": "2021-10-28T07:19:38Z → 2021-10-29T08:39:55Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 00:00 on the 28th and 00:58 on the 29th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is on the 28th and is not on the 29th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 29884 s"
        },
        {
          "step": "ruling",
          "text": "Ahoyī Aṣṭamī, Zunyi, 2021: Thursday 28 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": "2021-10-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-10-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Ahoyī Aṣṭamī 2021 falls on Thursday 28 October. Aṣṭamī runs from 15:20 on Thu 28 Oct to 16:40 on Fri 29 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/ekadashi?on=2021-11-01",
      "festival": "ekadashi",
      "name": "Ramā Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-11-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31731,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-10-31T16:57:38+08:00",
          "utc": "2021-10-31T08:57:38Z",
          "ms": 1635670657752.5818
        },
        "end": {
          "local": "2021-11-01T15:52:07+08:00",
          "utc": "2021-11-01T07:52:07Z",
          "ms": 1635753127117.5315
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-10-31T16:57:38+08:00",
          "utc": "2021-10-31T08:57:38Z",
          "ms": 1635670657752.5818
        },
        "end": {
          "local": "2021-11-01T15:52:07+08:00",
          "utc": "2021-11-01T07:52:07Z",
          "ms": 1635753127117.5315
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-10-31",
          "window": {
            "start": {
              "local": "2021-10-31T07:02:35+08:00",
              "utc": "2021-10-30T23:02:35Z",
              "ms": 1635634955442.7747
            },
            "end": {
              "local": "2021-10-31T07:02:35+08:00",
              "utc": "2021-10-30T23:02:35Z",
              "ms": 1635634955442.7747
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2021-11-01",
          "window": {
            "start": {
              "local": "2021-11-01T07:03:17+08:00",
              "utc": "2021-10-31T23:03:17Z",
              "ms": 1635721396558.3
            },
            "end": {
              "local": "2021-11-01T07:03:17+08:00",
              "utc": "2021-10-31T23:03:17Z",
              "ms": 1635721396558.3
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 16:58 on Sun 31 Oct to 15:52 on Mon 1 Nov.",
          "fact": "2021-10-31T08:57:38Z → 2021-11-01T07:52:07Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:03 on the 31st and 07:03 on the 1st.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 31st and is on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 31731 s"
        },
        {
          "step": "ruling",
          "text": "Ramā Ekādaśī, Zunyi, 2021: Monday 1 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": "2021-11-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-11-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Ramā Ekādaśī 2021 falls on Monday 1 November. Ekādaśī runs from 16:58 on Sun 31 Oct to 15:52 on Mon 1 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-11-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/govatsa-dvadashi",
      "festival": "govatsa-dvadashi",
      "name": "Govatsa Dvādaśī",
      "everyday": "Vasu Baras",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-11-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8170,
      "anga": {
        "type": "tithi",
        "index": 26,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2021-11-01T15:52:07+08:00",
          "utc": "2021-11-01T07:52:07Z",
          "ms": 1635753127117.5315
        },
        "end": {
          "local": "2021-11-02T14:01:27+08:00",
          "utc": "2021-11-02T06:01:27Z",
          "ms": 1635832886964.9502
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-11-01T15:52:07+08:00",
          "utc": "2021-11-01T07:52:07Z",
          "ms": 1635753127117.5315
        },
        "end": {
          "local": "2021-11-02T14:01:27+08:00",
          "utc": "2021-11-02T06:01:27Z",
          "ms": 1635832886964.9502
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-11-01",
          "window": {
            "start": {
              "local": "2021-11-01T18:08:17+08:00",
              "utc": "2021-11-01T10:08:17Z",
              "ms": 1635761296725.3281
            },
            "end": {
              "local": "2021-11-01T19:51:42+08:00",
              "utc": "2021-11-01T11:51:42Z",
              "ms": 1635767502242.6804
            }
          },
          "covered_min": 103,
          "window_min": 103,
          "qualifies": true
        },
        {
          "local_date": "2021-11-02",
          "window": {
            "start": {
              "local": "2021-11-02T18:07:33+08:00",
              "utc": "2021-11-02T10:07:33Z",
              "ms": 1635847653188.731
            },
            "end": {
              "local": "2021-11-02T19:51:10+08:00",
              "utc": "2021-11-02T11:51:10Z",
              "ms": 1635853870106.7632
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 15:52 on Mon 1 Nov to 14:01 on Tue 2 Nov.",
          "fact": "2021-11-01T07:52:07Z → 2021-11-02T06:01:27Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:08–19:52 on the 1st, 18:08–19:51 on the 2nd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during pradoṣa. It covers 103 of 103 minutes on the 1st and 0 of 104 on the 2nd.",
          "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 8170 s"
        },
        {
          "step": "ruling",
          "text": "Govatsa Dvādaśī, Zunyi, 2021: Monday 1 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "govatsa-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 12 Govatsa dvadasi (pradosa vyapini). If occurs on two days, it is to be observed on the first day."
          }
        ],
        "kaala": "pradosha",
        "priority": "purvaviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-11-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-11-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Govatsa Dvādaśī (Vasu Baras) 2021 falls on Monday 1 November. Dvādaśī runs from 15:52 on Mon 1 Nov to 14:01 on Tue 2 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/yama-dipadana",
      "festival": "yama-dipadana",
      "name": "Yama Dīpadāna",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-11-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14766,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-11-02T14:01:27+08:00",
          "utc": "2021-11-02T06:01:27Z",
          "ms": 1635832886964.9502
        },
        "end": {
          "local": "2021-11-03T11:32:28+08:00",
          "utc": "2021-11-03T03:32:28Z",
          "ms": 1635910347675.1484
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-11-02T14:01:27+08:00",
          "utc": "2021-11-02T06:01:27Z",
          "ms": 1635832886964.9502
        },
        "end": {
          "local": "2021-11-03T11:32:28+08:00",
          "utc": "2021-11-03T03:32:28Z",
          "ms": 1635910347675.1484
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-11-02",
          "window": {
            "start": {
              "local": "2021-11-02T18:07:33+08:00",
              "utc": "2021-11-02T10:07:33Z",
              "ms": 1635847653188.731
            },
            "end": {
              "local": "2021-11-02T19:51:10+08:00",
              "utc": "2021-11-02T11:51:10Z",
              "ms": 1635853870106.7632
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        },
        {
          "local_date": "2021-11-03",
          "window": {
            "start": {
              "local": "2021-11-03T18:06:51+08:00",
              "utc": "2021-11-03T10:06:51Z",
              "ms": 1635934010879.4275
            },
            "end": {
              "local": "2021-11-03T19:50:39+08:00",
              "utc": "2021-11-03T11:50:39Z",
              "ms": 1635940239089.016
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 14:01 on Tue 2 Nov to 11:32 on Wed 3 Nov.",
          "fact": "2021-11-02T06:01:27Z → 2021-11-03T03:32:28Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:08–19:51 on the 2nd, 18:07–19:51 on the 3rd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 104 of 104 minutes on the 2nd and 0 of 104 on the 3rd.",
          "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 14766 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dīpadāna, Zunyi, 2021: Tuesday 2 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": "2021-11-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-11-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Yama Dīpadāna 2021 falls on Tuesday 2 November. Trayodaśī runs from 14:01 on Tue 2 Nov to 11:32 on Wed 3 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/pradosha-vrata?on=2021-11-02",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-11-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14766,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-11-02T14:01:27+08:00",
          "utc": "2021-11-02T06:01:27Z",
          "ms": 1635832886964.9502
        },
        "end": {
          "local": "2021-11-03T11:32:28+08:00",
          "utc": "2021-11-03T03:32:28Z",
          "ms": 1635910347675.1484
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-11-02T14:01:27+08:00",
          "utc": "2021-11-02T06:01:27Z",
          "ms": 1635832886964.9502
        },
        "end": {
          "local": "2021-11-03T11:32:28+08:00",
          "utc": "2021-11-03T03:32:28Z",
          "ms": 1635910347675.1484
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-11-02",
          "window": {
            "start": {
              "local": "2021-11-02T18:07:33+08:00",
              "utc": "2021-11-02T10:07:33Z",
              "ms": 1635847653188.731
            },
            "end": {
              "local": "2021-11-02T19:51:10+08:00",
              "utc": "2021-11-02T11:51:10Z",
              "ms": 1635853870106.7632
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        },
        {
          "local_date": "2021-11-03",
          "window": {
            "start": {
              "local": "2021-11-03T18:06:51+08:00",
              "utc": "2021-11-03T10:06:51Z",
              "ms": 1635934010879.4275
            },
            "end": {
              "local": "2021-11-03T19:50:39+08:00",
              "utc": "2021-11-03T11:50:39Z",
              "ms": 1635940239089.016
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 14:01 on Tue 2 Nov to 11:32 on Wed 3 Nov.",
          "fact": "2021-11-02T06:01:27Z → 2021-11-03T03:32:28Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:08–19:51 on the 2nd, 18:07–19:51 on the 3rd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 104 of 104 minutes on the 2nd and 0 of 104 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 14766 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2021: Tuesday 2 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": "2021-11-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-11-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2021 falls on Tuesday 2 November. Trayodaśī runs from 14:01 on Tue 2 Nov to 11:32 on Wed 3 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/pradosha-vrata?on=2021-11-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/shivaratri?on=2021-11-03",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-11-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27215,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2021-11-03T11:32:28+08:00",
          "utc": "2021-11-03T03:32:28Z",
          "ms": 1635910347675.1484
        },
        "end": {
          "local": "2021-11-04T08:33:42+08:00",
          "utc": "2021-11-04T00:33:42Z",
          "ms": 1635986021704.2537
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-11-03T11:32:28+08:00",
          "utc": "2021-11-03T03:32:28Z",
          "ms": 1635910347675.1484
        },
        "end": {
          "local": "2021-11-04T08:33:42+08:00",
          "utc": "2021-11-04T00:33:42Z",
          "ms": 1635986021704.2537
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2021-11-02",
          "window": {
            "start": {
              "local": "2021-11-03T00:12:07+08:00",
              "utc": "2021-11-02T16:12:07Z",
              "ms": 1635869526631.352
            },
            "end": {
              "local": "2021-11-03T01:00:07+08:00",
              "utc": "2021-11-02T17:00:07Z",
              "ms": 1635872406631.352
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-11-03",
          "window": {
            "start": {
              "local": "2021-11-04T00:12:07+08:00",
              "utc": "2021-11-03T16:12:07Z",
              "ms": 1635955926665.3848
            },
            "end": {
              "local": "2021-11-04T01:00:07+08:00",
              "utc": "2021-11-03T17:00:07Z",
              "ms": 1635958806665.3848
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 11:32 on Wed 3 Nov to 08:34 on Thu 4 Nov.",
          "fact": "2021-11-03T03:32:28Z → 2021-11-04T00:33:42Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:12–01:00 on the 2nd, 00:12–01:00 on the 3rd.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 27215 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Zunyi, 2021: Wednesday 3 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": "2021-11-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-11-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Śivarātri 2021 falls on Wednesday 3 November. Caturdaśī runs from 11:32 on Wed 3 Nov to 08:34 on Thu 4 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/shivaratri?on=2021-11-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/naraka-chaturdashi",
      "festival": "naraka-chaturdashi",
      "name": "Naraka Caturdaśī",
      "everyday": "Choti Diwali",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-11-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5299,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2021-11-03T11:32:28+08:00",
          "utc": "2021-11-03T03:32:28Z",
          "ms": 1635910347675.1484
        },
        "end": {
          "local": "2021-11-04T08:33:42+08:00",
          "utc": "2021-11-04T00:33:42Z",
          "ms": 1635986021704.2537
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-11-03T11:32:28+08:00",
          "utc": "2021-11-03T03:32:28Z",
          "ms": 1635910347675.1484
        },
        "end": {
          "local": "2021-11-04T08:33:42+08:00",
          "utc": "2021-11-04T00:33:42Z",
          "ms": 1635986021704.2537
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2021-11-03",
          "window": {
            "start": {
              "local": "2021-11-03T05:21:03+08:00",
              "utc": "2021-11-02T21:21:03Z",
              "ms": 1635888063155.9407
            },
            "end": {
              "local": "2021-11-03T07:04:40+08:00",
              "utc": "2021-11-02T23:04:40Z",
              "ms": 1635894280073.973
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        },
        {
          "local_date": "2021-11-04",
          "window": {
            "start": {
              "local": "2021-11-04T05:21:34+08:00",
              "utc": "2021-11-03T21:21:34Z",
              "ms": 1635974494241.7537
            },
            "end": {
              "local": "2021-11-04T07:05:22+08:00",
              "utc": "2021-11-03T23:05:22Z",
              "ms": 1635980722451.3423
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 11:32 on Wed 3 Nov to 08:34 on Thu 4 Nov.",
          "fact": "2021-11-03T03:32:28Z → 2021-11-04T00:33:42Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:21–07:05 on the 3rd, 05:22–07:05 on the 4th.",
          "fact": "arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during aruṇodaya. It covers 0 of 104 minutes on the 3rd and 104 of 104 on the 4th.",
          "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 5299 s"
        },
        {
          "step": "ruling",
          "text": "Naraka Caturdaśī, Zunyi, 2021: Thursday 4 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": "2021-11-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-11-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Naraka Caturdaśī (Choti Diwali) 2021 falls on Thursday 4 November. Caturdaśī runs from 11:32 on Wed 3 Nov to 08:34 on Thu 4 Nov and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/diwali-lakshmi-puja",
      "festival": "diwali-lakshmi-puja",
      "name": "Lakṣmī Pūjā",
      "everyday": "Diwali",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-11-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33867,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2021-11-04T08:33:42+08:00",
          "utc": "2021-11-04T00:33:42Z",
          "ms": 1635986021704.2537
        },
        "end": {
          "local": "2021-11-05T05:14:37+08:00",
          "utc": "2021-11-04T21:14:37Z",
          "ms": 1636060476683.7668
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-11-04T08:33:42+08:00",
          "utc": "2021-11-04T00:33:42Z",
          "ms": 1635986021704.2537
        },
        "end": {
          "local": "2021-11-05T05:14:37+08:00",
          "utc": "2021-11-04T21:14:37Z",
          "ms": 1636060476683.7668
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-11-03",
          "window": {
            "start": {
              "local": "2021-11-03T18:06:51+08:00",
              "utc": "2021-11-03T10:06:51Z",
              "ms": 1635934010879.4275
            },
            "end": {
              "local": "2021-11-03T19:50:39+08:00",
              "utc": "2021-11-03T11:50:39Z",
              "ms": 1635940239089.016
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        },
        {
          "local_date": "2021-11-04",
          "window": {
            "start": {
              "local": "2021-11-04T18:06:10+08:00",
              "utc": "2021-11-04T10:06:10Z",
              "ms": 1636020369818.88
            },
            "end": {
              "local": "2021-11-04T19:50:09+08:00",
              "utc": "2021-11-04T11:50:09Z",
              "ms": 1636026609206.0762
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 08:34 on Thu 4 Nov to 05:15 on Fri 5 Nov.",
          "fact": "2021-11-04T00:33:42Z → 2021-11-04T21:14:37Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:07–19:51 on the 3rd, 18:06–19:50 on the 4th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during pradoṣa. It covers 0 of 104 minutes on the 3rd and 104 of 104 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 33867 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pūjā, Zunyi, 2021: Thursday 4 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": "2021-11-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-11-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Lakṣmī Pūjā (Diwali) 2021 falls on Thursday 4 November. Amāvasyā runs from 08:34 on Thu 4 Nov to 05:15 on Fri 5 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/kali-puja",
      "festival": "kali-puja",
      "name": "Kālī Pūjā",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-11-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15269,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2021-11-04T08:33:42+08:00",
          "utc": "2021-11-04T00:33:42Z",
          "ms": 1635986021704.2537
        },
        "end": {
          "local": "2021-11-05T05:14:37+08:00",
          "utc": "2021-11-04T21:14:37Z",
          "ms": 1636060476683.7668
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-11-04T08:33:42+08:00",
          "utc": "2021-11-04T00:33:42Z",
          "ms": 1635986021704.2537
        },
        "end": {
          "local": "2021-11-05T05:14:37+08:00",
          "utc": "2021-11-04T21:14:37Z",
          "ms": 1636060476683.7668
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2021-11-03",
          "window": {
            "start": {
              "local": "2021-11-04T00:12:07+08:00",
              "utc": "2021-11-03T16:12:07Z",
              "ms": 1635955926665.3848
            },
            "end": {
              "local": "2021-11-04T01:00:07+08:00",
              "utc": "2021-11-03T17:00:07Z",
              "ms": 1635958806665.3848
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-11-04",
          "window": {
            "start": {
              "local": "2021-11-05T00:12:08+08:00",
              "utc": "2021-11-04T16:12:08Z",
              "ms": 1636042327520.8657
            },
            "end": {
              "local": "2021-11-05T01:00:08+08:00",
              "utc": "2021-11-04T17:00:08Z",
              "ms": 1636045207520.8657
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 08:34 on Thu 4 Nov to 05:15 on Fri 5 Nov.",
          "fact": "2021-11-04T00:33:42Z → 2021-11-04T21:14:37Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:12–01:00 on the 3rd, 00:12–01:00 on the 4th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during niśītha. It covers 0 of 48 minutes on the 3rd and 48 of 48 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 15269 s"
        },
        {
          "step": "ruling",
          "text": "Kālī Pūjā, Zunyi, 2021: Thursday 4 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": "2021-11-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-11-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Kālī Pūjā 2021 falls on Thursday 4 November. Amāvasyā runs from 08:34 on Thu 4 Nov to 05:15 on Fri 5 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/govardhana-puja",
      "festival": "govardhana-puja",
      "name": "Govardhana Pūjā",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-11-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25031,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2021-11-05T05:14:37+08:00",
          "utc": "2021-11-04T21:14:37Z",
          "ms": 1636060476683.7668
        },
        "end": {
          "local": "2021-11-06T01:45:00+08:00",
          "utc": "2021-11-05T17:45:00Z",
          "ms": 1636134299799.1155
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-11-05T05:14:37+08:00",
          "utc": "2021-11-04T21:14:37Z",
          "ms": 1636060476683.7668
        },
        "end": {
          "local": "2021-11-06T01:45:00+08:00",
          "utc": "2021-11-05T17:45:00Z",
          "ms": 1636134299799.1155
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-11-05",
          "window": {
            "start": {
              "local": "2021-11-05T12:11:48+08:00",
              "utc": "2021-11-05T04:11:48Z",
              "ms": 1636085507625.026
            },
            "end": {
              "local": "2021-11-05T12:59:48+08:00",
              "utc": "2021-11-05T04:59:48Z",
              "ms": 1636088387625.026
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-11-06",
          "window": {
            "start": {
              "local": "2021-11-06T12:11:50+08:00",
              "utc": "2021-11-06T04:11:50Z",
              "ms": 1636171909947.6077
            },
            "end": {
              "local": "2021-11-06T12:59:50+08:00",
              "utc": "2021-11-06T04:59:50Z",
              "ms": 1636174789947.6077
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 05:15 on Fri 5 Nov to 01:45 on Sat 6 Nov.",
          "fact": "2021-11-04T21:14:37Z → 2021-11-05T17:45:00Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 5th, 12:12–13:00 on the 6th.",
          "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 5th and 0 of 48 on the 6th.",
          "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 25031 s"
        },
        {
          "step": "ruling",
          "text": "Govardhana Pūjā, Zunyi, 2021: Friday 5 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": "2021-11-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-11-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Govardhana Pūjā 2021 falls on Friday 5 November. Pratipadā runs from 05:15 on Fri 5 Nov to 01:45 on Sat 6 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/bali-puja",
      "festival": "bali-puja",
      "name": "Bali Pūjā",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-11-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21319,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2021-11-05T05:14:37+08:00",
          "utc": "2021-11-04T21:14:37Z",
          "ms": 1636060476683.7668
        },
        "end": {
          "local": "2021-11-06T01:45:00+08:00",
          "utc": "2021-11-05T17:45:00Z",
          "ms": 1636134299799.1155
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-11-05T05:14:37+08:00",
          "utc": "2021-11-04T21:14:37Z",
          "ms": 1636060476683.7668
        },
        "end": {
          "local": "2021-11-06T01:45:00+08:00",
          "utc": "2021-11-05T17:45:00Z",
          "ms": 1636134299799.1155
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-11-04",
          "window": {
            "start": {
              "local": "2021-11-04T18:06:10+08:00",
              "utc": "2021-11-04T10:06:10Z",
              "ms": 1636020369818.88
            },
            "end": {
              "local": "2021-11-04T19:50:09+08:00",
              "utc": "2021-11-04T11:50:09Z",
              "ms": 1636026609206.0762
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        },
        {
          "local_date": "2021-11-05",
          "window": {
            "start": {
              "local": "2021-11-05T18:05:30+08:00",
              "utc": "2021-11-05T10:05:30Z",
              "ms": 1636106730027.2002
            },
            "end": {
              "local": "2021-11-05T19:49:40+08:00",
              "utc": "2021-11-05T11:49:40Z",
              "ms": 1636112980473.1296
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 05:15 on Fri 5 Nov to 01:45 on Sat 6 Nov.",
          "fact": "2021-11-04T21:14:37Z → 2021-11-05T17:45:00Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:06–19:50 on the 4th, 18:06–19:50 on the 5th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during pradoṣa. It covers 0 of 104 minutes on the 4th and 104 of 104 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 21319 s"
        },
        {
          "step": "ruling",
          "text": "Bali Pūjā, Zunyi, 2021: Friday 5 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": "2021-11-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-11-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Bali Pūjā 2021 falls on Friday 5 November. Pratipadā runs from 05:15 on Fri 5 Nov to 01:45 on Sat 6 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/dyuta-pratipad",
      "festival": "dyuta-pratipad",
      "name": "Dyūta Pratipad",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-11-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6689,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2021-11-05T05:14:37+08:00",
          "utc": "2021-11-04T21:14:37Z",
          "ms": 1636060476683.7668
        },
        "end": {
          "local": "2021-11-06T01:45:00+08:00",
          "utc": "2021-11-05T17:45:00Z",
          "ms": 1636134299799.1155
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-11-05T05:14:37+08:00",
          "utc": "2021-11-04T21:14:37Z",
          "ms": 1636060476683.7668
        },
        "end": {
          "local": "2021-11-06T01:45:00+08:00",
          "utc": "2021-11-05T17:45:00Z",
          "ms": 1636134299799.1155
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2021-11-05",
          "window": {
            "start": {
              "local": "2021-11-05T07:06:05+08:00",
              "utc": "2021-11-04T23:06:05Z",
              "ms": 1636067165222.8518
            },
            "end": {
              "local": "2021-11-05T10:45:53+08:00",
              "utc": "2021-11-05T02:45:53Z",
              "ms": 1636080353490.968
            }
          },
          "covered_min": 220,
          "window_min": 220,
          "qualifies": true
        },
        {
          "local_date": "2021-11-06",
          "window": {
            "start": {
              "local": "2021-11-06T07:06:48+08:00",
              "utc": "2021-11-05T23:06:48Z",
              "ms": 1636153608371.6714
            },
            "end": {
              "local": "2021-11-06T10:46:09+08:00",
              "utc": "2021-11-06T02:46:09Z",
              "ms": 1636166769422.2957
            }
          },
          "covered_min": 0,
          "window_min": 219,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 05:15 on Fri 5 Nov to 01:45 on Sat 6 Nov.",
          "fact": "2021-11-04T21:14:37Z → 2021-11-05T17:45:00Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:06–10:46 on the 5th, 07:07–10:46 on the 6th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during pūrvāhṇa. It covers 220 of 220 minutes on the 5th and 0 of 219 on the 6th.",
          "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 6689 s"
        },
        {
          "step": "ruling",
          "text": "Dyūta Pratipad, Zunyi, 2021: Friday 5 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": "2021-11-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-11-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Dyūta Pratipad 2021 falls on Friday 5 November. Pratipadā runs from 05:15 on Fri 5 Nov to 01:45 on Sat 6 Nov and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/yama-dvitiya",
      "festival": "yama-dvitiya",
      "name": "Yama Dvitīyā",
      "everyday": "Bhai Dooj",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-11-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33282,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2021-11-06T01:45:00+08:00",
          "utc": "2021-11-05T17:45:00Z",
          "ms": 1636134299799.1155
        },
        "end": {
          "local": "2021-11-06T22:14:32+08:00",
          "utc": "2021-11-06T14:14:32Z",
          "ms": 1636208071568.4675
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-11-06T01:45:00+08:00",
          "utc": "2021-11-05T17:45:00Z",
          "ms": 1636134299799.1155
        },
        "end": {
          "local": "2021-11-06T22:14:32+08:00",
          "utc": "2021-11-06T14:14:32Z",
          "ms": 1636208071568.4675
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-11-05",
          "window": {
            "start": {
              "local": "2021-11-05T12:11:48+08:00",
              "utc": "2021-11-05T04:11:48Z",
              "ms": 1636085507625.026
            },
            "end": {
              "local": "2021-11-05T12:59:48+08:00",
              "utc": "2021-11-05T04:59:48Z",
              "ms": 1636088387625.026
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-11-06",
          "window": {
            "start": {
              "local": "2021-11-06T12:11:50+08:00",
              "utc": "2021-11-06T04:11:50Z",
              "ms": 1636171909947.6077
            },
            "end": {
              "local": "2021-11-06T12:59:50+08:00",
              "utc": "2021-11-06T04:59:50Z",
              "ms": 1636174789947.6077
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 01:45 on Sat 6 Nov to 22:15 on Sat 6 Nov.",
          "fact": "2021-11-05T17:45:00Z → 2021-11-06T14:14:32Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 5th, 12:12–13:00 on the 6th.",
          "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 5th and 48 of 48 on the 6th.",
          "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 33282 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dvitīyā, Zunyi, 2021: Saturday 6 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": "2021-11-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-11-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Yama Dvitīyā (Bhai Dooj) 2021 falls on Saturday 6 November. Dvitīyā runs from 01:45 on Sat 6 Nov to 22:15 on Sat 6 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/naga-chaturthi",
      "festival": "naga-chaturthi",
      "name": "Nāga Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-11-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10033,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-11-07T18:52:26+08:00",
          "utc": "2021-11-07T10:52:26Z",
          "ms": 1636282345548.0056
        },
        "end": {
          "local": "2021-11-08T15:47:11+08:00",
          "utc": "2021-11-08T07:47:11Z",
          "ms": 1636357630548.8958
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-11-07T18:52:26+08:00",
          "utc": "2021-11-07T10:52:26Z",
          "ms": 1636282345548.0056
        },
        "end": {
          "local": "2021-11-08T15:47:11+08:00",
          "utc": "2021-11-08T07:47:11Z",
          "ms": 1636357630548.8958
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-11-07",
          "window": {
            "start": {
              "local": "2021-11-07T12:11:53+08:00",
              "utc": "2021-11-07T04:11:53Z",
              "ms": 1636258313102.9758
            },
            "end": {
              "local": "2021-11-07T12:59:53+08:00",
              "utc": "2021-11-07T04:59:53Z",
              "ms": 1636261193102.9758
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-11-08",
          "window": {
            "start": {
              "local": "2021-11-08T12:11:57+08:00",
              "utc": "2021-11-08T04:11:57Z",
              "ms": 1636344717090.7837
            },
            "end": {
              "local": "2021-11-08T12:59:57+08:00",
              "utc": "2021-11-08T04:59:57Z",
              "ms": 1636347597090.7837
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 18:52 on Sun 7 Nov to 15:47 on Mon 8 Nov.",
          "fact": "2021-11-07T10:52:26Z → 2021-11-08T07:47:11Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 7th, 12:12–13:00 on the 8th.",
          "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 7th and 48 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 10033 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Caturthī, Zunyi, 2021: Monday 8 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": "2021-11-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-11-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Nāga Caturthī 2021 falls on Monday 8 November. Caturthī runs from 18:52 on Sun 7 Nov to 15:47 on Mon 8 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/vinayaka-chaturthi?on=2021-11-08",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-11-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10033,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-11-07T18:52:26+08:00",
          "utc": "2021-11-07T10:52:26Z",
          "ms": 1636282345548.0056
        },
        "end": {
          "local": "2021-11-08T15:47:11+08:00",
          "utc": "2021-11-08T07:47:11Z",
          "ms": 1636357630548.8958
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-11-07T18:52:26+08:00",
          "utc": "2021-11-07T10:52:26Z",
          "ms": 1636282345548.0056
        },
        "end": {
          "local": "2021-11-08T15:47:11+08:00",
          "utc": "2021-11-08T07:47:11Z",
          "ms": 1636357630548.8958
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-11-07",
          "window": {
            "start": {
              "local": "2021-11-07T12:11:53+08:00",
              "utc": "2021-11-07T04:11:53Z",
              "ms": 1636258313102.9758
            },
            "end": {
              "local": "2021-11-07T12:59:53+08:00",
              "utc": "2021-11-07T04:59:53Z",
              "ms": 1636261193102.9758
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-11-08",
          "window": {
            "start": {
              "local": "2021-11-08T12:11:57+08:00",
              "utc": "2021-11-08T04:11:57Z",
              "ms": 1636344717090.7837
            },
            "end": {
              "local": "2021-11-08T12:59:57+08:00",
              "utc": "2021-11-08T04:59:57Z",
              "ms": 1636347597090.7837
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 18:52 on Sun 7 Nov to 15:47 on Mon 8 Nov.",
          "fact": "2021-11-07T10:52:26Z → 2021-11-08T07:47:11Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 7th, 12:12–13:00 on the 8th.",
          "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 7th and 48 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 10033 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Zunyi, 2021: Monday 8 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": "2021-11-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-11-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Vināyaka Caturthī 2021 falls on Monday 8 November. Caturthī runs from 18:52 on Sun 7 Nov to 15:47 on Mon 8 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/vinayaka-chaturthi?on=2021-11-08",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/surya-shashthi",
      "festival": "surya-shashthi",
      "name": "Sūrya Ṣaṣṭhī",
      "everyday": "Chhath",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-11-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 371,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2021-11-09T13:06:13+08:00",
          "utc": "2021-11-09T05:06:13Z",
          "ms": 1636434373003.1348
        },
        "end": {
          "local": "2021-11-10T10:55:39+08:00",
          "utc": "2021-11-10T02:55:39Z",
          "ms": 1636512938807.419
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-11-09T13:06:13+08:00",
          "utc": "2021-11-09T05:06:13Z",
          "ms": 1636434373003.1348
        },
        "end": {
          "local": "2021-11-10T10:55:39+08:00",
          "utc": "2021-11-10T02:55:39Z",
          "ms": 1636512938807.419
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-11-09",
          "window": {
            "start": {
              "local": "2021-11-09T12:12:02+08:00",
              "utc": "2021-11-09T04:12:02Z",
              "ms": 1636431121910.72
            },
            "end": {
              "local": "2021-11-09T13:00:02+08:00",
              "utc": "2021-11-09T05:00:02Z",
              "ms": 1636434001910.72
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-11-10",
          "window": {
            "start": {
              "local": "2021-11-10T12:12:08+08:00",
              "utc": "2021-11-10T04:12:08Z",
              "ms": 1636517527562.8022
            },
            "end": {
              "local": "2021-11-10T13:00:08+08:00",
              "utc": "2021-11-10T05:00:08Z",
              "ms": 1636520407562.8022
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 13:06 on Tue 9 Nov to 10:56 on Wed 10 Nov.",
          "fact": "2021-11-09T05:06:13Z → 2021-11-10T02:55:39Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 9th, 12:12–13:00 on the 10th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 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": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: unstated → second-day · margin 371 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī, Zunyi, 2021: Wednesday 10 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": "2021-11-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-11-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Sūrya Ṣaṣṭhī (Chhath) 2021 falls on Wednesday 10 November. Ṣaṣṭhī runs from 13:06 on Tue 9 Nov to 10:56 on Wed 10 Nov, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/gopashtami",
      "festival": "gopashtami",
      "name": "Gopāṣṭamī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-11-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10338,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2021-11-11T09:19:56+08:00",
          "utc": "2021-11-11T01:19:56Z",
          "ms": 1636593596031.7336
        },
        "end": {
          "local": "2021-11-12T08:21:42+08:00",
          "utc": "2021-11-12T00:21:42Z",
          "ms": 1636676501801.3318
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-11-11T09:19:56+08:00",
          "utc": "2021-11-11T01:19:56Z",
          "ms": 1636593596031.7336
        },
        "end": {
          "local": "2021-11-12T08:21:42+08:00",
          "utc": "2021-11-12T00:21:42Z",
          "ms": 1636676501801.3318
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-11-11",
          "window": {
            "start": {
              "local": "2021-11-11T12:12:14+08:00",
              "utc": "2021-11-11T04:12:14Z",
              "ms": 1636603934047.4365
            },
            "end": {
              "local": "2021-11-11T13:00:14+08:00",
              "utc": "2021-11-11T05:00:14Z",
              "ms": 1636606814047.4365
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-11-12",
          "window": {
            "start": {
              "local": "2021-11-12T12:12:21+08:00",
              "utc": "2021-11-12T04:12:21Z",
              "ms": 1636690341365.2864
            },
            "end": {
              "local": "2021-11-12T13:00:21+08:00",
              "utc": "2021-11-12T05:00:21Z",
              "ms": 1636693221365.2864
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 09:20 on Thu 11 Nov to 08:22 on Fri 12 Nov.",
          "fact": "2021-11-11T01:19:56Z → 2021-11-12T00:21:42Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 11th, 12:12–13:00 on the 12th.",
          "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 11th and 0 of 48 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 10338 s"
        },
        {
          "step": "ruling",
          "text": "Gopāṣṭamī, Zunyi, 2021: Thursday 11 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": "2021-11-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-11-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Gopāṣṭamī 2021 falls on Thursday 11 November. Aṣṭamī runs from 09:20 on Thu 11 Nov to 08:22 on Fri 12 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/akshaya-navami",
      "festival": "akshaya-navami",
      "name": "Akṣaya Navamī",
      "everyday": "Amla Navami",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-11-12",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 2978,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2021-11-12T08:21:42+08:00",
          "utc": "2021-11-12T00:21:42Z",
          "ms": 1636676501801.3318
        },
        "end": {
          "local": "2021-11-13T08:01:38+08:00",
          "utc": "2021-11-13T00:01:38Z",
          "ms": 1636761697584.0527
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-11-12T08:21:42+08:00",
          "utc": "2021-11-12T00:21:42Z",
          "ms": 1636676501801.3318
        },
        "end": {
          "local": "2021-11-13T08:01:38+08:00",
          "utc": "2021-11-13T00:01:38Z",
          "ms": 1636761697584.0527
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2021-11-12",
          "window": {
            "start": {
              "local": "2021-11-12T07:11:14+08:00",
              "utc": "2021-11-11T23:11:14Z",
              "ms": 1636672274106.2495
            },
            "end": {
              "local": "2021-11-12T10:47:59+08:00",
              "utc": "2021-11-12T02:47:59Z",
              "ms": 1636685278945.6074
            }
          },
          "covered_min": 146,
          "window_min": 217,
          "qualifies": true
        },
        {
          "local_date": "2021-11-13",
          "window": {
            "start": {
              "local": "2021-11-13T07:11:59+08:00",
              "utc": "2021-11-12T23:11:59Z",
              "ms": 1636758719352.771
            },
            "end": {
              "local": "2021-11-13T10:48:19+08:00",
              "utc": "2021-11-13T02:48:19Z",
              "ms": 1636771699462.2898
            }
          },
          "covered_min": 50,
          "window_min": 216,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 08:22 on Fri 12 Nov to 08:02 on Sat 13 Nov.",
          "fact": "2021-11-12T00:21:42Z → 2021-11-13T00:01:38Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 07:11–10:48 on the 12th, 07:12–10:48 on the 13th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during pūrvāhṇa. It covers 146 of 217 minutes on the 12th and 50 of 216 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Both forenoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 2978 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Navamī, Zunyi, 2021: Friday 12 November.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "akshaya-navami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata."
          }
        ],
        "kaala": "purvahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-11-12",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-11-12",
          "confidence": "boundary"
        }
      ],
      "quote": "In Zunyi, Akṣaya Navamī (Amla Navami) 2021 falls on Friday 12 November. Navamī runs from 08:22 on Fri 12 Nov to 08:02 on Sat 13 Nov and covers 146 of 217 minutes of pūrvāhṇa that forenoon. It also reaches the next forenoon for 50 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/zunyi/festivals/2021/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": "/zunyi/festivals/2021/durga-navami",
      "festival": "durga-navami",
      "name": "Durgā Navamī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-11-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13840,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2021-11-12T08:21:42+08:00",
          "utc": "2021-11-12T00:21:42Z",
          "ms": 1636676501801.3318
        },
        "end": {
          "local": "2021-11-13T08:01:38+08:00",
          "utc": "2021-11-13T00:01:38Z",
          "ms": 1636761697584.0527
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-11-12T08:21:42+08:00",
          "utc": "2021-11-12T00:21:42Z",
          "ms": 1636676501801.3318
        },
        "end": {
          "local": "2021-11-13T08:01:38+08:00",
          "utc": "2021-11-13T00:01:38Z",
          "ms": 1636761697584.0527
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-11-12",
          "window": {
            "start": {
              "local": "2021-11-12T12:12:21+08:00",
              "utc": "2021-11-12T04:12:21Z",
              "ms": 1636690341365.2864
            },
            "end": {
              "local": "2021-11-12T13:00:21+08:00",
              "utc": "2021-11-12T05:00:21Z",
              "ms": 1636693221365.2864
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-11-13",
          "window": {
            "start": {
              "local": "2021-11-13T12:12:30+08:00",
              "utc": "2021-11-13T04:12:30Z",
              "ms": 1636776749517.0493
            },
            "end": {
              "local": "2021-11-13T13:00:30+08:00",
              "utc": "2021-11-13T05:00:30Z",
              "ms": 1636779629517.0493
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 08:22 on Fri 12 Nov to 08:02 on Sat 13 Nov.",
          "fact": "2021-11-12T00:21:42Z → 2021-11-13T00:01:38Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 12th, 12:12–13:00 on the 13th.",
          "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 12th and 0 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 13840 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Navamī, Zunyi, 2021: Friday 12 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": "2021-11-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-11-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Durgā Navamī 2021 falls on Friday 12 November. Navamī runs from 08:22 on Fri 12 Nov to 08:02 on Sat 13 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/ekadashi?on=2021-11-15",
      "festival": "ekadashi",
      "name": "Prabodhinī Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-11-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3951,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-11-14T08:18:36+08:00",
          "utc": "2021-11-14T00:18:36Z",
          "ms": 1636849116102.0332
        },
        "end": {
          "local": "2021-11-15T09:10:00+08:00",
          "utc": "2021-11-15T01:10:00Z",
          "ms": 1636938599863.6465
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-11-14T08:18:36+08:00",
          "utc": "2021-11-14T00:18:36Z",
          "ms": 1636849116102.0332
        },
        "end": {
          "local": "2021-11-15T09:10:00+08:00",
          "utc": "2021-11-15T01:10:00Z",
          "ms": 1636938599863.6465
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-11-14",
          "window": {
            "start": {
              "local": "2021-11-14T07:12:45+08:00",
              "utc": "2021-11-13T23:12:45Z",
              "ms": 1636845164821.8992
            },
            "end": {
              "local": "2021-11-14T07:12:45+08:00",
              "utc": "2021-11-13T23:12:45Z",
              "ms": 1636845164821.8992
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2021-11-15",
          "window": {
            "start": {
              "local": "2021-11-15T07:13:30+08:00",
              "utc": "2021-11-14T23:13:30Z",
              "ms": 1636931610494.3513
            },
            "end": {
              "local": "2021-11-15T07:13:30+08:00",
              "utc": "2021-11-14T23:13:30Z",
              "ms": 1636931610494.3513
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 08:19 on Sun 14 Nov to 09:10 on Mon 15 Nov.",
          "fact": "2021-11-14T00:18:36Z → 2021-11-15T01:10:00Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:13 on the 14th and 07:14 on the 15th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 14th and is on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 3951 s"
        },
        {
          "step": "ruling",
          "text": "Prabodhinī Ekādaśī, Zunyi, 2021: Monday 15 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": "2021-11-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-11-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Prabodhinī Ekādaśī 2021 falls on Monday 15 November. Ekādaśī runs from 08:19 on Sun 14 Nov to 09:10 on Mon 15 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-11-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/pradosha-vrata?on=2021-11-16",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-11-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20322,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-11-16T10:32:07+08:00",
          "utc": "2021-11-16T02:32:07Z",
          "ms": 1637029926939.032
        },
        "end": {
          "local": "2021-11-17T12:20:36+08:00",
          "utc": "2021-11-17T04:20:36Z",
          "ms": 1637122836247.2307
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-11-16T10:32:07+08:00",
          "utc": "2021-11-16T02:32:07Z",
          "ms": 1637029926939.032
        },
        "end": {
          "local": "2021-11-17T12:20:36+08:00",
          "utc": "2021-11-17T04:20:36Z",
          "ms": 1637122836247.2307
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-11-16",
          "window": {
            "start": {
              "local": "2021-11-16T17:59:42+08:00",
              "utc": "2021-11-16T09:59:42Z",
              "ms": 1637056781606.6567
            },
            "end": {
              "local": "2021-11-16T19:45:44+08:00",
              "utc": "2021-11-16T11:45:44Z",
              "ms": 1637063144374.9795
            }
          },
          "covered_min": 106,
          "window_min": 106,
          "qualifies": true
        },
        {
          "local_date": "2021-11-17",
          "window": {
            "start": {
              "local": "2021-11-17T17:59:19+08:00",
              "utc": "2021-11-17T09:59:19Z",
              "ms": 1637143158562.4531
            },
            "end": {
              "local": "2021-11-17T19:45:31+08:00",
              "utc": "2021-11-17T11:45:31Z",
              "ms": 1637149530558.022
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 10:32 on Tue 16 Nov to 12:21 on Wed 17 Nov.",
          "fact": "2021-11-16T02:32:07Z → 2021-11-17T04:20:36Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:00–19:46 on the 16th, 17:59–19:46 on the 17th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 106 of 106 minutes on the 16th and 0 of 106 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 20322 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Zunyi, 2021: Tuesday 16 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": "2021-11-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-11-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Śukla Pradoṣa Vrata 2021 falls on Tuesday 16 November. Trayodaśī runs from 10:32 on Tue 16 Nov to 12:21 on Wed 17 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/pradosha-vrata?on=2021-11-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/rasayatra",
      "festival": "rasayatra",
      "name": "Rāsayātrā",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-11-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26191,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2021-11-18T14:30:44+08:00",
          "utc": "2021-11-18T06:30:44Z",
          "ms": 1637217044249.5715
        },
        "end": {
          "local": "2021-11-19T16:57:28+08:00",
          "utc": "2021-11-19T08:57:28Z",
          "ms": 1637312247984.657
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-11-18T14:30:44+08:00",
          "utc": "2021-11-18T06:30:44Z",
          "ms": 1637217044249.5715
        },
        "end": {
          "local": "2021-11-19T16:57:28+08:00",
          "utc": "2021-11-19T08:57:28Z",
          "ms": 1637312247984.657
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2021-11-18",
          "window": {
            "start": {
              "local": "2021-11-19T00:13:46+08:00",
              "utc": "2021-11-18T16:13:46Z",
              "ms": 1637252025923.0732
            },
            "end": {
              "local": "2021-11-19T01:01:46+08:00",
              "utc": "2021-11-18T17:01:46Z",
              "ms": 1637254905923.0732
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-11-19",
          "window": {
            "start": {
              "local": "2021-11-20T00:13:59+08:00",
              "utc": "2021-11-19T16:13:59Z",
              "ms": 1637338439115.887
            },
            "end": {
              "local": "2021-11-20T01:01:59+08:00",
              "utc": "2021-11-19T17:01:59Z",
              "ms": 1637341319115.887
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 14:31 on Thu 18 Nov to 16:57 on Fri 19 Nov.",
          "fact": "2021-11-18T06:30:44Z → 2021-11-19T08:57:28Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:14–01:02 on the 18th, 00:14–01:02 on the 19th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during niśītha. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.",
          "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 26191 s"
        },
        {
          "step": "ruling",
          "text": "Rāsayātrā, Zunyi, 2021: Thursday 18 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": "2021-11-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-11-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Rāsayātrā 2021 falls on Thursday 18 November. Pūrṇimā runs from 14:31 on Thu 18 Nov to 16:57 on Fri 19 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/kartiki-purnima",
      "festival": "kartiki-purnima",
      "name": "Kārtikī Pūrṇimā",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-11-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5361,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2021-11-18T14:30:44+08:00",
          "utc": "2021-11-18T06:30:44Z",
          "ms": 1637217044249.5715
        },
        "end": {
          "local": "2021-11-19T16:57:28+08:00",
          "utc": "2021-11-19T08:57:28Z",
          "ms": 1637312247984.657
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-11-18T14:30:44+08:00",
          "utc": "2021-11-18T06:30:44Z",
          "ms": 1637217044249.5715
        },
        "end": {
          "local": "2021-11-19T16:57:28+08:00",
          "utc": "2021-11-19T08:57:28Z",
          "ms": 1637312247984.657
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-11-18",
          "window": {
            "start": {
              "local": "2021-11-18T12:13:23+08:00",
              "utc": "2021-11-18T04:13:23Z",
              "ms": 1637208802783.6274
            },
            "end": {
              "local": "2021-11-18T13:01:23+08:00",
              "utc": "2021-11-18T05:01:23Z",
              "ms": 1637211682783.6274
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-11-19",
          "window": {
            "start": {
              "local": "2021-11-19T12:13:36+08:00",
              "utc": "2021-11-19T04:13:36Z",
              "ms": 1637295215928.9563
            },
            "end": {
              "local": "2021-11-19T13:01:36+08:00",
              "utc": "2021-11-19T05:01:36Z",
              "ms": 1637298095928.9563
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 14:31 on Thu 18 Nov to 16:57 on Fri 19 Nov.",
          "fact": "2021-11-18T06:30:44Z → 2021-11-19T08:57:28Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:13–13:01 on the 18th, 12:14–13:02 on the 19th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 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: unstated → only-day · margin 5361 s"
        },
        {
          "step": "ruling",
          "text": "Kārtikī Pūrṇimā, Zunyi, 2021: Friday 19 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": "2021-11-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-11-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Kārtikī Pūrṇimā 2021 falls on Friday 19 November. Pūrṇimā runs from 14:31 on Thu 18 Nov to 16:57 on Fri 19 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/sankashta-chaturthi?on=2021-11-23",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-11-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17463,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-11-23T00:57:29+08:00",
          "utc": "2021-11-22T16:57:29Z",
          "ms": 1637600249467.9263
        },
        "end": {
          "local": "2021-11-24T03:26:03+08:00",
          "utc": "2021-11-23T19:26:03Z",
          "ms": 1637695563013.427
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-11-23T00:57:29+08:00",
          "utc": "2021-11-22T16:57:29Z",
          "ms": 1637600249467.9263
        },
        "end": {
          "local": "2021-11-24T03:26:03+08:00",
          "utc": "2021-11-23T19:26:03Z",
          "ms": 1637695563013.427
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2021-11-22",
          "window": {
            "start": {
              "local": "2021-11-22T20:06:27+08:00",
              "utc": "2021-11-22T12:06:27Z",
              "ms": 1637582786547.056
            },
            "end": {
              "local": "2021-11-22T20:06:27+08:00",
              "utc": "2021-11-22T12:06:27Z",
              "ms": 1637582786547.056
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2021-11-23",
          "window": {
            "start": {
              "local": "2021-11-23T20:57:28+08:00",
              "utc": "2021-11-23T12:57:28Z",
              "ms": 1637672248038.958
            },
            "end": {
              "local": "2021-11-23T20:57:28+08:00",
              "utc": "2021-11-23T12:57:28Z",
              "ms": 1637672248038.958
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 00:57 on Tue 23 Nov to 03:26 on Wed 24 Nov.",
          "fact": "2021-11-22T16:57:29Z → 2021-11-23T19:26:03Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:06 on the 22nd and 20:57 on the 23rd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 22nd and is on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 17463 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Zunyi, 2021: Tuesday 23 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": "2021-11-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-11-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2021 falls on Tuesday 23 November. Caturthī runs from 00:57 on Tue 23 Nov to 03:26 on Wed 24 Nov and is current at moonrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/sankashta-chaturthi?on=2021-11-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/ekadashi?on=2021-11-30",
      "festival": "ekadashi",
      "name": "Utpannā Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-11-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2445,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-11-30T06:44:19+08:00",
          "utc": "2021-11-29T22:44:19Z",
          "ms": 1638225859213.038
        },
        "end": {
          "local": "2021-12-01T04:44:11+08:00",
          "utc": "2021-11-30T20:44:11Z",
          "ms": 1638305051201.439
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-11-30T06:44:19+08:00",
          "utc": "2021-11-29T22:44:19Z",
          "ms": 1638225859213.038
        },
        "end": {
          "local": "2021-12-01T04:44:11+08:00",
          "utc": "2021-11-30T20:44:11Z",
          "ms": 1638305051201.439
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-11-30",
          "window": {
            "start": {
              "local": "2021-11-30T07:25:04+08:00",
              "utc": "2021-11-29T23:25:04Z",
              "ms": 1638228303942.9463
            },
            "end": {
              "local": "2021-11-30T07:25:04+08:00",
              "utc": "2021-11-29T23:25:04Z",
              "ms": 1638228303942.9463
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2021-12-01",
          "window": {
            "start": {
              "local": "2021-12-01T07:25:49+08:00",
              "utc": "2021-11-30T23:25:49Z",
              "ms": 1638314749398.056
            },
            "end": {
              "local": "2021-12-01T07:25:49+08:00",
              "utc": "2021-11-30T23:25:49Z",
              "ms": 1638314749398.056
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 06:44 on Tue 30 Nov to 04:44 on Wed 1 Dec.",
          "fact": "2021-11-29T22:44:19Z → 2021-11-30T20:44:11Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:25 on the 30th and 07:26 on the 1st.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 30th and is not on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 2445 s"
        },
        {
          "step": "ruling",
          "text": "Utpannā Ekādaśī, Zunyi, 2021: Tuesday 30 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": "2021-11-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-11-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Utpannā Ekādaśī 2021 falls on Tuesday 30 November. Ekādaśī runs from 06:44 on Tue 30 Nov to 04:44 on Wed 1 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-11-30",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/pradosha-vrata?on=2021-12-02",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-12-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11530,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-12-02T02:05:55+08:00",
          "utc": "2021-12-01T18:05:55Z",
          "ms": 1638381954601.9062
        },
        "end": {
          "local": "2021-12-02T22:56:57+08:00",
          "utc": "2021-12-02T14:56:57Z",
          "ms": 1638457016920.3162
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-12-02T02:05:55+08:00",
          "utc": "2021-12-01T18:05:55Z",
          "ms": 1638381954601.9062
        },
        "end": {
          "local": "2021-12-02T22:56:57+08:00",
          "utc": "2021-12-02T14:56:57Z",
          "ms": 1638457016920.3162
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-12-01",
          "window": {
            "start": {
              "local": "2021-12-01T17:56:41+08:00",
              "utc": "2021-12-01T09:56:41Z",
              "ms": 1638352601453.519
            },
            "end": {
              "local": "2021-12-01T19:44:41+08:00",
              "utc": "2021-12-01T11:44:41Z",
              "ms": 1638359080533.335
            }
          },
          "covered_min": 0,
          "window_min": 108,
          "qualifies": false
        },
        {
          "local_date": "2021-12-02",
          "window": {
            "start": {
              "local": "2021-12-02T17:56:42+08:00",
              "utc": "2021-12-02T09:56:42Z",
              "ms": 1638439002380.348
            },
            "end": {
              "local": "2021-12-02T19:44:47+08:00",
              "utc": "2021-12-02T11:44:47Z",
              "ms": 1638445487311.1536
            }
          },
          "covered_min": 108,
          "window_min": 108,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 02:06 on Thu 2 Dec to 22:57 on Thu 2 Dec.",
          "fact": "2021-12-01T18:05:55Z → 2021-12-02T14:56:57Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:57–19:45 on the 1st, 17:57–19:45 on the 2nd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 108 minutes on the 1st and 108 of 108 on the 2nd.",
          "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 11530 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2021: Thursday 2 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-12-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-12-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2021 falls on Thursday 2 December. Trayodaśī runs from 02:06 on Thu 2 Dec to 22:57 on Thu 2 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/pradosha-vrata?on=2021-12-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/shivaratri?on=2021-12-02",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-12-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4864,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2021-12-02T22:56:57+08:00",
          "utc": "2021-12-02T14:56:57Z",
          "ms": 1638457016920.3162
        },
        "end": {
          "local": "2021-12-03T19:26:06+08:00",
          "utc": "2021-12-03T11:26:06Z",
          "ms": 1638530766125.0461
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-12-02T22:56:57+08:00",
          "utc": "2021-12-02T14:56:57Z",
          "ms": 1638457016920.3162
        },
        "end": {
          "local": "2021-12-03T19:26:06+08:00",
          "utc": "2021-12-03T11:26:06Z",
          "ms": 1638530766125.0461
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2021-12-02",
          "window": {
            "start": {
              "local": "2021-12-03T00:18:01+08:00",
              "utc": "2021-12-02T16:18:01Z",
              "ms": 1638461880870.8694
            },
            "end": {
              "local": "2021-12-03T01:06:01+08:00",
              "utc": "2021-12-02T17:06:01Z",
              "ms": 1638464760870.8694
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-12-03",
          "window": {
            "start": {
              "local": "2021-12-04T00:18:24+08:00",
              "utc": "2021-12-03T16:18:24Z",
              "ms": 1638548304353.9985
            },
            "end": {
              "local": "2021-12-04T01:06:24+08:00",
              "utc": "2021-12-03T17:06:24Z",
              "ms": 1638551184353.9985
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 22:57 on Thu 2 Dec to 19:26 on Fri 3 Dec.",
          "fact": "2021-12-02T14:56:57Z → 2021-12-03T11:26:06Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:18–01:06 on the 2nd, 00:18–01:06 on the 3rd.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 4864 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Zunyi, 2021: Thursday 2 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": "2021-12-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-12-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Śivarātri 2021 falls on Thursday 2 December. Caturdaśī runs from 22:57 on Thu 2 Dec to 19:26 on Fri 3 Dec and covers all of niśītha that night.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/shivaratri?on=2021-12-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/vinayaka-chaturthi?on=2021-12-07",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-12-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26254,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-12-07T05:02:09+08:00",
          "utc": "2021-12-06T21:02:09Z",
          "ms": 1638824528771.5737
        },
        "end": {
          "local": "2021-12-08T02:11:12+08:00",
          "utc": "2021-12-07T18:11:12Z",
          "ms": 1638900671555.0952
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-12-07T05:02:09+08:00",
          "utc": "2021-12-06T21:02:09Z",
          "ms": 1638824528771.5737
        },
        "end": {
          "local": "2021-12-08T02:11:12+08:00",
          "utc": "2021-12-07T18:11:12Z",
          "ms": 1638900671555.0952
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-12-07",
          "window": {
            "start": {
              "local": "2021-12-07T12:19:43+08:00",
              "utc": "2021-12-07T04:19:43Z",
              "ms": 1638850782645.8618
            },
            "end": {
              "local": "2021-12-07T13:07:43+08:00",
              "utc": "2021-12-07T05:07:43Z",
              "ms": 1638853662645.8618
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-12-08",
          "window": {
            "start": {
              "local": "2021-12-08T12:20:09+08:00",
              "utc": "2021-12-08T04:20:09Z",
              "ms": 1638937209060.331
            },
            "end": {
              "local": "2021-12-08T13:08:09+08:00",
              "utc": "2021-12-08T05:08:09Z",
              "ms": 1638940089060.331
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 05:02 on Tue 7 Dec to 02:11 on Wed 8 Dec.",
          "fact": "2021-12-06T21:02:09Z → 2021-12-07T18:11:12Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 7th, 12:20–13:08 on the 8th.",
          "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 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 midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 26254 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Zunyi, 2021: Tuesday 7 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-12-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-12-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Vināyaka Caturthī 2021 falls on Tuesday 7 December. Caturthī runs from 05:02 on Tue 7 Dec to 02:11 on Wed 8 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/vinayaka-chaturthi?on=2021-12-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/naga-panchami-margashirsha",
      "festival": "naga-panchami-margashirsha",
      "name": "Nāga Pañcamī (Mārgaśīrṣa)",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-12-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36538,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2021-12-08T02:11:12+08:00",
          "utc": "2021-12-07T18:11:12Z",
          "ms": 1638900671555.0952
        },
        "end": {
          "local": "2021-12-08T23:56:25+08:00",
          "utc": "2021-12-08T15:56:25Z",
          "ms": 1638978985382.6462
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-12-08T02:11:12+08:00",
          "utc": "2021-12-07T18:11:12Z",
          "ms": 1638900671555.0952
        },
        "end": {
          "local": "2021-12-08T23:56:25+08:00",
          "utc": "2021-12-08T15:56:25Z",
          "ms": 1638978985382.6462
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-12-08",
          "window": {
            "start": {
              "local": "2021-12-08T12:20:09+08:00",
              "utc": "2021-12-08T04:20:09Z",
              "ms": 1638937209060.331
            },
            "end": {
              "local": "2021-12-08T13:08:09+08:00",
              "utc": "2021-12-08T05:08:09Z",
              "ms": 1638940089060.331
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-12-09",
          "window": {
            "start": {
              "local": "2021-12-09T12:20:36+08:00",
              "utc": "2021-12-09T04:20:36Z",
              "ms": 1639023635927.2288
            },
            "end": {
              "local": "2021-12-09T13:08:36+08:00",
              "utc": "2021-12-09T05:08:36Z",
              "ms": 1639026515927.2288
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 02:11 on Wed 8 Dec to 23:56 on Wed 8 Dec.",
          "fact": "2021-12-07T18:11:12Z → 2021-12-08T15:56:25Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 8th, 12:21–13:09 on the 9th.",
          "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 8th and 0 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: paraviddha → only-day · margin 36538 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī (Mārgaśīrṣa), Zunyi, 2021: Wednesday 8 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": "2021-12-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-12-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Nāga Pañcamī (Mārgaśīrṣa) 2021 falls on Wednesday 8 December. Pañcamī runs from 02:11 on Wed 8 Dec to 23:56 on Wed 8 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/champa-shashthi",
      "festival": "champa-shashthi",
      "name": "Campā Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-12-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33356,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2021-12-08T23:56:25+08:00",
          "utc": "2021-12-08T15:56:25Z",
          "ms": 1638978985382.6462
        },
        "end": {
          "local": "2021-12-09T22:24:32+08:00",
          "utc": "2021-12-09T14:24:32Z",
          "ms": 1639059871612.8848
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-12-08T23:56:25+08:00",
          "utc": "2021-12-08T15:56:25Z",
          "ms": 1638978985382.6462
        },
        "end": {
          "local": "2021-12-09T22:24:32+08:00",
          "utc": "2021-12-09T14:24:32Z",
          "ms": 1639059871612.8848
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-12-08",
          "window": {
            "start": {
              "local": "2021-12-08T12:20:09+08:00",
              "utc": "2021-12-08T04:20:09Z",
              "ms": 1638937209060.331
            },
            "end": {
              "local": "2021-12-08T13:08:09+08:00",
              "utc": "2021-12-08T05:08:09Z",
              "ms": 1638940089060.331
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-12-09",
          "window": {
            "start": {
              "local": "2021-12-09T12:20:36+08:00",
              "utc": "2021-12-09T04:20:36Z",
              "ms": 1639023635927.2288
            },
            "end": {
              "local": "2021-12-09T13:08:36+08:00",
              "utc": "2021-12-09T05:08:36Z",
              "ms": 1639026515927.2288
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 23:56 on Wed 8 Dec to 22:25 on Thu 9 Dec.",
          "fact": "2021-12-08T15:56:25Z → 2021-12-09T14:24:32Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 8th, 12:21–13:09 on the 9th.",
          "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 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: paraviddha → only-day · margin 33356 s"
        },
        {
          "step": "ruling",
          "text": "Campā Ṣaṣṭhī, Zunyi, 2021: Thursday 9 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": "2021-12-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-12-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Campā Ṣaṣṭhī 2021 falls on Thursday 9 December. Ṣaṣṭhī runs from 23:56 on Wed 8 Dec to 22:25 on Thu 9 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/skanda-shashthi",
      "festival": "skanda-shashthi",
      "name": "Skanda Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-12-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33356,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2021-12-08T23:56:25+08:00",
          "utc": "2021-12-08T15:56:25Z",
          "ms": 1638978985382.6462
        },
        "end": {
          "local": "2021-12-09T22:24:32+08:00",
          "utc": "2021-12-09T14:24:32Z",
          "ms": 1639059871612.8848
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-12-08T23:56:25+08:00",
          "utc": "2021-12-08T15:56:25Z",
          "ms": 1638978985382.6462
        },
        "end": {
          "local": "2021-12-09T22:24:32+08:00",
          "utc": "2021-12-09T14:24:32Z",
          "ms": 1639059871612.8848
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-12-08",
          "window": {
            "start": {
              "local": "2021-12-08T12:20:09+08:00",
              "utc": "2021-12-08T04:20:09Z",
              "ms": 1638937209060.331
            },
            "end": {
              "local": "2021-12-08T13:08:09+08:00",
              "utc": "2021-12-08T05:08:09Z",
              "ms": 1638940089060.331
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-12-09",
          "window": {
            "start": {
              "local": "2021-12-09T12:20:36+08:00",
              "utc": "2021-12-09T04:20:36Z",
              "ms": 1639023635927.2288
            },
            "end": {
              "local": "2021-12-09T13:08:36+08:00",
              "utc": "2021-12-09T05:08:36Z",
              "ms": 1639026515927.2288
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 23:56 on Wed 8 Dec to 22:25 on Thu 9 Dec.",
          "fact": "2021-12-08T15:56:25Z → 2021-12-09T14:24:32Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:20–13:08 on the 8th, 12:21–13:09 on the 9th.",
          "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 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 33356 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī, Zunyi, 2021: Thursday 9 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": "2021-12-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-12-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Skanda Ṣaṣṭhī 2021 falls on Thursday 9 December. Ṣaṣṭhī runs from 23:56 on Wed 8 Dec to 22:25 on Thu 9 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/mitra-saptami",
      "festival": "mitra-saptami",
      "name": "Mitra Saptamī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-12-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30643,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2021-12-09T22:24:32+08:00",
          "utc": "2021-12-09T14:24:32Z",
          "ms": 1639059871612.8848
        },
        "end": {
          "local": "2021-12-10T21:39:46+08:00",
          "utc": "2021-12-10T13:39:46Z",
          "ms": 1639143585892.5535
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-12-09T22:24:32+08:00",
          "utc": "2021-12-09T14:24:32Z",
          "ms": 1639059871612.8848
        },
        "end": {
          "local": "2021-12-10T21:39:46+08:00",
          "utc": "2021-12-10T13:39:46Z",
          "ms": 1639143585892.5535
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-12-09",
          "window": {
            "start": {
              "local": "2021-12-09T12:20:36+08:00",
              "utc": "2021-12-09T04:20:36Z",
              "ms": 1639023635927.2288
            },
            "end": {
              "local": "2021-12-09T13:08:36+08:00",
              "utc": "2021-12-09T05:08:36Z",
              "ms": 1639026515927.2288
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2021-12-10",
          "window": {
            "start": {
              "local": "2021-12-10T12:21:03+08:00",
              "utc": "2021-12-10T04:21:03Z",
              "ms": 1639110063215.8833
            },
            "end": {
              "local": "2021-12-10T13:09:03+08:00",
              "utc": "2021-12-10T05:09:03Z",
              "ms": 1639112943215.8833
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 22:25 on Thu 9 Dec to 21:40 on Fri 10 Dec.",
          "fact": "2021-12-09T14:24:32Z → 2021-12-10T13:39:46Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:21–13:09 on the 9th, 12:21–13:09 on the 10th.",
          "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 9th and 48 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: purvaviddha → only-day · margin 30643 s"
        },
        {
          "step": "ruling",
          "text": "Mitra Saptamī, Zunyi, 2021: Friday 10 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": "2021-12-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-12-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Mitra Saptamī 2021 falls on Friday 10 December. Saptamī runs from 22:25 on Thu 9 Dec to 21:40 on Fri 10 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/ekadashi?on=2021-12-14",
      "festival": "ekadashi",
      "name": "Mokṣadā Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-12-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19765,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-12-14T00:03:18+08:00",
          "utc": "2021-12-13T16:03:18Z",
          "ms": 1639411398457.4167
        },
        "end": {
          "local": "2021-12-15T02:06:08+08:00",
          "utc": "2021-12-14T18:06:08Z",
          "ms": 1639505167886.9043
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-12-14T00:03:18+08:00",
          "utc": "2021-12-13T16:03:18Z",
          "ms": 1639411398457.4167
        },
        "end": {
          "local": "2021-12-15T02:06:08+08:00",
          "utc": "2021-12-14T18:06:08Z",
          "ms": 1639505167886.9043
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-12-14",
          "window": {
            "start": {
              "local": "2021-12-14T07:34:56+08:00",
              "utc": "2021-12-13T23:34:56Z",
              "ms": 1639438496108.6245
            },
            "end": {
              "local": "2021-12-14T07:34:56+08:00",
              "utc": "2021-12-13T23:34:56Z",
              "ms": 1639438496108.6245
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2021-12-15",
          "window": {
            "start": {
              "local": "2021-12-15T07:35:33+08:00",
              "utc": "2021-12-14T23:35:33Z",
              "ms": 1639524933190.3154
            },
            "end": {
              "local": "2021-12-15T07:35:33+08:00",
              "utc": "2021-12-14T23:35:33Z",
              "ms": 1639524933190.3154
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 00:03 on Tue 14 Dec to 02:06 on Wed 15 Dec.",
          "fact": "2021-12-13T16:03:18Z → 2021-12-14T18:06:08Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:35 on the 14th and 07:36 on the 15th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 14th and is not on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 19765 s"
        },
        {
          "step": "ruling",
          "text": "Mokṣadā Ekādaśī, Zunyi, 2021: Tuesday 14 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": "2021-12-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-12-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Mokṣadā Ekādaśī 2021 falls on Tuesday 14 December. Ekādaśī runs from 00:03 on Tue 14 Dec to 02:06 on Wed 15 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-12-14",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/akhanda-dvadashi",
      "festival": "akhanda-dvadashi",
      "name": "Akhaṇḍa Dvādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-12-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28315,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2021-12-15T02:06:08+08:00",
          "utc": "2021-12-14T18:06:08Z",
          "ms": 1639505167886.9043
        },
        "end": {
          "local": "2021-12-16T04:31:59+08:00",
          "utc": "2021-12-15T20:31:59Z",
          "ms": 1639600318694.446
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-12-15T02:06:08+08:00",
          "utc": "2021-12-14T18:06:08Z",
          "ms": 1639505167886.9043
        },
        "end": {
          "local": "2021-12-16T04:31:59+08:00",
          "utc": "2021-12-15T20:31:59Z",
          "ms": 1639600318694.446
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2021-12-15",
          "window": {
            "start": {
              "local": "2021-12-15T12:23:25+08:00",
              "utc": "2021-12-15T04:23:25Z",
              "ms": 1639542204936.7444
            },
            "end": {
              "local": "2021-12-15T13:11:25+08:00",
              "utc": "2021-12-15T05:11:25Z",
              "ms": 1639545084936.7444
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2021-12-16",
          "window": {
            "start": {
              "local": "2021-12-16T12:23:54+08:00",
              "utc": "2021-12-16T04:23:54Z",
              "ms": 1639628634127.581
            },
            "end": {
              "local": "2021-12-16T13:11:54+08:00",
              "utc": "2021-12-16T05:11:54Z",
              "ms": 1639631514127.581
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 02:06 on Wed 15 Dec to 04:32 on Thu 16 Dec.",
          "fact": "2021-12-14T18:06:08Z → 2021-12-15T20:31:59Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:23–13:11 on the 15th, 12:24–13:12 on the 16th.",
          "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 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: paraviddha → only-day · margin 28315 s"
        },
        {
          "step": "ruling",
          "text": "Akhaṇḍa Dvādaśī, Zunyi, 2021: Wednesday 15 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": "2021-12-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-12-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Akhaṇḍa Dvādaśī 2021 falls on Wednesday 15 December. Dvādaśī runs from 02:06 on Wed 15 Dec to 04:32 on Thu 16 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/pradosha-vrata?on=2021-12-16",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-12-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31427,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-12-16T04:31:59+08:00",
          "utc": "2021-12-15T20:31:59Z",
          "ms": 1639600318694.446
        },
        "end": {
          "local": "2021-12-17T07:11:10+08:00",
          "utc": "2021-12-16T23:11:10Z",
          "ms": 1639696269910.8086
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-12-16T04:31:59+08:00",
          "utc": "2021-12-15T20:31:59Z",
          "ms": 1639600318694.446
        },
        "end": {
          "local": "2021-12-17T07:11:10+08:00",
          "utc": "2021-12-16T23:11:10Z",
          "ms": 1639696269910.8086
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-12-15",
          "window": {
            "start": {
              "local": "2021-12-15T17:59:17+08:00",
              "utc": "2021-12-15T09:59:17Z",
              "ms": 1639562356683.1733
            },
            "end": {
              "local": "2021-12-15T19:48:12+08:00",
              "utc": "2021-12-15T11:48:12Z",
              "ms": 1639568891706.5664
            }
          },
          "covered_min": 0,
          "window_min": 109,
          "qualifies": false
        },
        {
          "local_date": "2021-12-16",
          "window": {
            "start": {
              "local": "2021-12-16T17:59:39+08:00",
              "utc": "2021-12-16T09:59:39Z",
              "ms": 1639648778896.5417
            },
            "end": {
              "local": "2021-12-16T19:48:36+08:00",
              "utc": "2021-12-16T11:48:36Z",
              "ms": 1639655315653.9602
            }
          },
          "covered_min": 109,
          "window_min": 109,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 04:32 on Thu 16 Dec to 07:11 on Fri 17 Dec.",
          "fact": "2021-12-15T20:31:59Z → 2021-12-16T23:11:10Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:48 on the 15th, 18:00–19:49 on the 16th.",
          "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 109 minutes on the 15th and 109 of 109 on the 16th.",
          "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 31427 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Zunyi, 2021: Thursday 16 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": "2021-12-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-12-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Śukla Pradoṣa Vrata 2021 falls on Thursday 16 December. Trayodaśī runs from 04:32 on Thu 16 Dec to 07:11 on Fri 17 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/pradosha-vrata?on=2021-12-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/dattatreyotpatti",
      "festival": "dattatreyotpatti",
      "name": "Dattātreyotpatti",
      "everyday": "Datta Jayanti",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-12-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19523,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2021-12-18T09:54:51+08:00",
          "utc": "2021-12-18T01:54:51Z",
          "ms": 1639792490559.4287
        },
        "end": {
          "local": "2021-12-19T12:35:31+08:00",
          "utc": "2021-12-19T04:35:31Z",
          "ms": 1639888530908.0095
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-12-18T09:54:51+08:00",
          "utc": "2021-12-18T01:54:51Z",
          "ms": 1639792490559.4287
        },
        "end": {
          "local": "2021-12-19T12:35:31+08:00",
          "utc": "2021-12-19T04:35:31Z",
          "ms": 1639888530908.0095
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-12-18",
          "window": {
            "start": {
              "local": "2021-12-18T18:00:27+08:00",
              "utc": "2021-12-18T10:00:27Z",
              "ms": 1639821627420.3198
            },
            "end": {
              "local": "2021-12-18T19:49:27+08:00",
              "utc": "2021-12-18T11:49:27Z",
              "ms": 1639828166700.771
            }
          },
          "covered_min": 109,
          "window_min": 109,
          "qualifies": true
        },
        {
          "local_date": "2021-12-19",
          "window": {
            "start": {
              "local": "2021-12-19T18:00:54+08:00",
              "utc": "2021-12-19T10:00:54Z",
              "ms": 1639908053679.3926
            },
            "end": {
              "local": "2021-12-19T19:49:54+08:00",
              "utc": "2021-12-19T11:49:54Z",
              "ms": 1639914593746.539
            }
          },
          "covered_min": 0,
          "window_min": 109,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 09:55 on Sat 18 Dec to 12:36 on Sun 19 Dec.",
          "fact": "2021-12-18T01:54:51Z → 2021-12-19T04:35:31Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:00–19:49 on the 18th, 18:01–19:50 on the 19th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 109 of 109 minutes on the 18th and 0 of 109 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 19523 s"
        },
        {
          "step": "ruling",
          "text": "Dattātreyotpatti, Zunyi, 2021: Saturday 18 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "dattatreyotpatti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Dattatreyotpatti (pradosa)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-12-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-12-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Dattātreyotpatti (Datta Jayanti) 2021 falls on Saturday 18 December. Pūrṇimā runs from 09:55 on Sat 18 Dec to 12:36 on Sun 19 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/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": "/zunyi/festivals/2021/sankashta-chaturthi?on=2021-12-22",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-12-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2510,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2021-12-22T19:22:44+08:00",
          "utc": "2021-12-22T11:22:44Z",
          "ms": 1640172163669.8872
        },
        "end": {
          "local": "2021-12-23T20:57:46+08:00",
          "utc": "2021-12-23T12:57:46Z",
          "ms": 1640264266157.8213
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-12-22T19:22:44+08:00",
          "utc": "2021-12-22T11:22:44Z",
          "ms": 1640172163669.8872
        },
        "end": {
          "local": "2021-12-23T20:57:46+08:00",
          "utc": "2021-12-23T12:57:46Z",
          "ms": 1640264266157.8213
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2021-12-22",
          "window": {
            "start": {
              "local": "2021-12-22T20:42:37+08:00",
              "utc": "2021-12-22T12:42:37Z",
              "ms": 1640176957441.1345
            },
            "end": {
              "local": "2021-12-22T20:42:37+08:00",
              "utc": "2021-12-22T12:42:37Z",
              "ms": 1640176957441.1345
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2021-12-23",
          "window": {
            "start": {
              "local": "2021-12-23T21:39:36+08:00",
              "utc": "2021-12-23T13:39:36Z",
              "ms": 1640266776415.2148
            },
            "end": {
              "local": "2021-12-23T21:39:36+08:00",
              "utc": "2021-12-23T13:39:36Z",
              "ms": 1640266776415.2148
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 19:23 on Wed 22 Dec to 20:58 on Thu 23 Dec.",
          "fact": "2021-12-22T11:22:44Z → 2021-12-23T12:57:46Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:43 on the 22nd and 21:40 on the 23rd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 22nd and is not on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2510 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Zunyi, 2021: Wednesday 22 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": "2021-12-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-12-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Saṅkaṣṭa Caturthī 2021 falls on Wednesday 22 December. Caturthī runs from 19:23 on Wed 22 Dec to 20:58 on Thu 23 Dec and is current at moonrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/sankashta-chaturthi?on=2021-12-22",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/ekadashi?on=2021-12-30",
      "festival": "ekadashi",
      "name": "Saphalā Ekādaśī",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-12-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30492,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2021-12-29T18:42:41+08:00",
          "utc": "2021-12-29T10:42:41Z",
          "ms": 1640774560741.5571
        },
        "end": {
          "local": "2021-12-30T16:10:53+08:00",
          "utc": "2021-12-30T08:10:53Z",
          "ms": 1640851853133.445
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-12-29T18:42:41+08:00",
          "utc": "2021-12-29T10:42:41Z",
          "ms": 1640774560741.5571
        },
        "end": {
          "local": "2021-12-30T16:10:53+08:00",
          "utc": "2021-12-30T08:10:53Z",
          "ms": 1640851853133.445
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2021-12-29",
          "window": {
            "start": {
              "local": "2021-12-29T07:42:21+08:00",
              "utc": "2021-12-28T23:42:21Z",
              "ms": 1640734940963.8567
            },
            "end": {
              "local": "2021-12-29T07:42:21+08:00",
              "utc": "2021-12-28T23:42:21Z",
              "ms": 1640734940963.8567
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2021-12-30",
          "window": {
            "start": {
              "local": "2021-12-30T07:42:41+08:00",
              "utc": "2021-12-29T23:42:41Z",
              "ms": 1640821360881.9258
            },
            "end": {
              "local": "2021-12-30T07:42:41+08:00",
              "utc": "2021-12-29T23:42:41Z",
              "ms": 1640821360881.9258
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 18:43 on Wed 29 Dec to 16:11 on Thu 30 Dec.",
          "fact": "2021-12-29T10:42:41Z → 2021-12-30T08:10:53Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:42 on the 29th and 07:43 on the 30th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 29th and is on the 30th.",
          "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 30492 s"
        },
        {
          "step": "ruling",
          "text": "Saphalā Ekādaśī, Zunyi, 2021: Thursday 30 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2021-12-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-12-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Saphalā Ekādaśī 2021 falls on Thursday 30 December. Ekādaśī runs from 18:43 on Wed 29 Dec to 16:11 on Thu 30 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/ekadashi?on=2021-12-30",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/zunyi/festivals/2021/pradosha-vrata?on=2021-12-31",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1783621",
      "year": 2021,
      "local_date": "2021-12-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17857,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2021-12-31T13:10:03+08:00",
          "utc": "2021-12-31T05:10:03Z",
          "ms": 1640927403419.0107
        },
        "end": {
          "local": "2022-01-01T09:47:32+08:00",
          "utc": "2022-01-01T01:47:32Z",
          "ms": 1641001651879.3997
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2021-12-31T13:10:03+08:00",
          "utc": "2021-12-31T05:10:03Z",
          "ms": 1640927403419.0107
        },
        "end": {
          "local": "2022-01-01T09:47:32+08:00",
          "utc": "2022-01-01T01:47:32Z",
          "ms": 1641001651879.3997
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2021-12-31",
          "window": {
            "start": {
              "local": "2021-12-31T18:07:41+08:00",
              "utc": "2021-12-31T10:07:41Z",
              "ms": 1640945260874.2427
            },
            "end": {
              "local": "2021-12-31T19:56:26+08:00",
              "utc": "2021-12-31T11:56:26Z",
              "ms": 1640951785631.3943
            }
          },
          "covered_min": 109,
          "window_min": 109,
          "qualifies": true
        },
        {
          "local_date": "2022-01-01",
          "window": {
            "start": {
              "local": "2022-01-01T18:08:21+08:00",
              "utc": "2022-01-01T10:08:21Z",
              "ms": 1641031701403.8943
            },
            "end": {
              "local": "2022-01-01T19:57:03+08:00",
              "utc": "2022-01-01T11:57:03Z",
              "ms": 1641038222850.377
            }
          },
          "covered_min": 0,
          "window_min": 109,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 13:10 on Fri 31 Dec to 09:48 on Sat 1 Jan.",
          "fact": "2021-12-31T05:10:03Z → 2022-01-01T01:47:32Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:08–19:56 on the 31st, 18:08–19:57 on the 1st.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 109 of 109 minutes on the 31st and 0 of 109 on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 17857 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Zunyi, 2021: Friday 31 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": "2021-12-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2021-12-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Zunyi, Kṛṣṇa Pradoṣa Vrata 2021 falls on Friday 31 December. Trayodaśī runs from 13:10 on Fri 31 Dec to 09:48 on Sat 1 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/zunyi/festivals/2021/pradosha-vrata?on=2021-12-31",
      "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"
  }
}
