{
  "id": "/ujjain/festivals/2029",
  "place": {
    "id": "1253914",
    "slug": "ujjain",
    "name": "Ujjain",
    "region": "Madhya Pradesh, India",
    "country": "IN",
    "lat": 23.18239,
    "lon": 75.77643,
    "elevation_m": 494,
    "tz": "Asia/Kolkata"
  },
  "year": 2029,
  "tradition": "smarta",
  "method": "pac-rp@2026.1",
  "ruleset": "2026.3-draft",
  "rulings": [
    {
      "id": "/ujjain/festivals/2029/sankashta-chaturthi?on=2029-01-03",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-01-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13415,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-01-03T17:03:21+05:30",
          "utc": "2029-01-03T11:33:21Z",
          "ms": 1862134401477.607
        },
        "end": {
          "local": "2029-01-04T14:49:46+05:30",
          "utc": "2029-01-04T09:19:46Z",
          "ms": 1862212786339.686
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-01-03T17:03:21+05:30",
          "utc": "2029-01-03T11:33:21Z",
          "ms": 1862134401477.607
        },
        "end": {
          "local": "2029-01-04T14:49:46+05:30",
          "utc": "2029-01-04T09:19:46Z",
          "ms": 1862212786339.686
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2029-01-03",
          "window": {
            "start": {
              "local": "2029-01-03T20:46:56+05:30",
              "utc": "2029-01-03T15:16:56Z",
              "ms": 1862147816227.1277
            },
            "end": {
              "local": "2029-01-03T20:46:56+05:30",
              "utc": "2029-01-03T15:16:56Z",
              "ms": 1862147816227.1277
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2029-01-04",
          "window": {
            "start": {
              "local": "2029-01-04T21:48:21+05:30",
              "utc": "2029-01-04T16:18:21Z",
              "ms": 1862237900612.5706
            },
            "end": {
              "local": "2029-01-04T21:48:21+05:30",
              "utc": "2029-01-04T16:18:21Z",
              "ms": 1862237900612.5706
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 17:03 on Wed 3 Jan to 14:50 on Thu 4 Jan.",
          "fact": "2029-01-03T11:33:21Z → 2029-01-04T09:19:46Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:47 on the 3rd and 21:48 on the 4th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 3rd and is not on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 13415 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Ujjain, 2029: Wednesday 3 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": "2029-01-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-01-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2029 falls on Wednesday 3 January. Caturthī runs from 17:03 on Wed 3 Jan to 14:50 on Thu 4 Jan and is current at moonrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/sankashta-chaturthi?on=2029-01-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/ekadashi?on=2029-01-10",
      "festival": "ekadashi",
      "name": "Ṣaṭtilā Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-01-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17398,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-01-10T02:20:23+05:30",
          "utc": "2029-01-09T20:50:23Z",
          "ms": 1862686223467.6553
        },
        "end": {
          "local": "2029-01-11T00:56:15+05:30",
          "utc": "2029-01-10T19:26:15Z",
          "ms": 1862767574697.676
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-01-10T02:20:23+05:30",
          "utc": "2029-01-09T20:50:23Z",
          "ms": 1862686223467.6553
        },
        "end": {
          "local": "2029-01-11T00:56:15+05:30",
          "utc": "2029-01-10T19:26:15Z",
          "ms": 1862767574697.676
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-01-10",
          "window": {
            "start": {
              "local": "2029-01-10T07:10:22+05:30",
              "utc": "2029-01-10T01:40:22Z",
              "ms": 1862703621574.1184
            },
            "end": {
              "local": "2029-01-10T07:10:22+05:30",
              "utc": "2029-01-10T01:40:22Z",
              "ms": 1862703621574.1184
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2029-01-11",
          "window": {
            "start": {
              "local": "2029-01-11T07:10:27+05:30",
              "utc": "2029-01-11T01:40:27Z",
              "ms": 1862790027224.3667
            },
            "end": {
              "local": "2029-01-11T07:10:27+05:30",
              "utc": "2029-01-11T01:40:27Z",
              "ms": 1862790027224.3667
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 02:20 on Wed 10 Jan to 00:56 on Thu 11 Jan.",
          "fact": "2029-01-09T20:50:23Z → 2029-01-10T19:26:15Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:10 on the 10th and 07:10 on the 11th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 10th and is not on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 17398 s"
        },
        {
          "step": "ruling",
          "text": "Ṣaṭtilā Ekādaśī, Ujjain, 2029: Wednesday 10 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": "2029-01-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-01-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Ṣaṭtilā Ekādaśī 2029 falls on Wednesday 10 January. Ekādaśī runs from 02:20 on Wed 10 Jan to 00:56 on Thu 11 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-01-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/pradosha-vrata?on=2029-01-12",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-01-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12088,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-01-11T23:50:52+05:30",
          "utc": "2029-01-11T18:20:52Z",
          "ms": 1862850052420.9941
        },
        "end": {
          "local": "2029-01-12T23:06:57+05:30",
          "utc": "2029-01-12T17:36:57Z",
          "ms": 1862933816644.9167
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-01-11T23:50:52+05:30",
          "utc": "2029-01-11T18:20:52Z",
          "ms": 1862850052420.9941
        },
        "end": {
          "local": "2029-01-12T23:06:57+05:30",
          "utc": "2029-01-12T17:36:57Z",
          "ms": 1862933816644.9167
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-01-11",
          "window": {
            "start": {
              "local": "2029-01-11T17:59:23+05:30",
              "utc": "2029-01-11T12:29:23Z",
              "ms": 1862828962555.5503
            },
            "end": {
              "local": "2029-01-11T19:44:52+05:30",
              "utc": "2029-01-11T14:14:52Z",
              "ms": 1862835291748.1426
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        },
        {
          "local_date": "2029-01-12",
          "window": {
            "start": {
              "local": "2029-01-12T18:00:05+05:30",
              "utc": "2029-01-12T12:30:05Z",
              "ms": 1862915405195.5996
            },
            "end": {
              "local": "2029-01-12T19:45:29+05:30",
              "utc": "2029-01-12T14:15:29Z",
              "ms": 1862921729088.2068
            }
          },
          "covered_min": 105,
          "window_min": 105,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 23:51 on Thu 11 Jan to 23:07 on Fri 12 Jan.",
          "fact": "2029-01-11T18:20:52Z → 2029-01-12T17:36:57Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:59–19:45 on the 11th, 18:00–19:45 on the 12th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 105 minutes on the 11th and 105 of 105 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 12088 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2029: Friday 12 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": "2029-01-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-01-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2029 falls on Friday 12 January. Trayodaśī runs from 23:51 on Thu 11 Jan to 23:07 on Fri 12 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/pradosha-vrata?on=2029-01-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/shivaratri?on=2029-01-12",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-01-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3863,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2029-01-12T23:06:57+05:30",
          "utc": "2029-01-12T17:36:57Z",
          "ms": 1862933816644.9167
        },
        "end": {
          "local": "2029-01-13T22:47:15+05:30",
          "utc": "2029-01-13T17:17:15Z",
          "ms": 1863019035086.0835
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-01-12T23:06:57+05:30",
          "utc": "2029-01-12T17:36:57Z",
          "ms": 1862933816644.9167
        },
        "end": {
          "local": "2029-01-13T22:47:15+05:30",
          "utc": "2029-01-13T17:17:15Z",
          "ms": 1863019035086.0835
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2029-01-12",
          "window": {
            "start": {
              "local": "2029-01-13T00:11:20+05:30",
              "utc": "2029-01-12T18:41:20Z",
              "ms": 1862937679792.877
            },
            "end": {
              "local": "2029-01-13T00:59:20+05:30",
              "utc": "2029-01-12T19:29:20Z",
              "ms": 1862940559792.877
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-01-13",
          "window": {
            "start": {
              "local": "2029-01-14T00:11:42+05:30",
              "utc": "2029-01-13T18:41:42Z",
              "ms": 1863024101941.996
            },
            "end": {
              "local": "2029-01-14T00:59:42+05:30",
              "utc": "2029-01-13T19:29:42Z",
              "ms": 1863026981941.996
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 23:07 on Fri 12 Jan to 22:47 on Sat 13 Jan.",
          "fact": "2029-01-12T17:36:57Z → 2029-01-13T17:17:15Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:11–00:59 on the 12th, 00:12–01:00 on the 13th.",
          "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 12th and 0 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 3863 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Ujjain, 2029: Friday 12 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": "2029-01-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-01-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2029 falls on Friday 12 January. Caturdaśī runs from 23:07 on Fri 12 Jan to 22:47 on Sat 13 Jan and covers all of niśītha that night.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/shivaratri?on=2029-01-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/bhogi",
      "festival": "bhogi",
      "name": "Bhogi",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-01-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30883,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2029-01-14T09:26:48+05:30",
          "utc": "2029-01-14T03:56:48Z",
          "ms": 1863057408123.7656
        },
        "end": {
          "local": "2029-02-12T22:28:43+05:30",
          "utc": "2029-02-12T16:58:43Z",
          "ms": 1865609923356.3171
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2029-01-14T09:26:48+05:30",
          "utc": "2029-01-14T03:56:48Z",
          "ms": 1863057408123.7656
        },
        "end": {
          "local": "2029-01-14T09:26:48+05:30",
          "utc": "2029-01-14T03:56:48Z",
          "ms": 1863057408123.7656
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2029-01-14",
          "window": {
            "start": {
              "local": "2029-01-13T18:00:48+05:30",
              "utc": "2029-01-13T12:30:48Z",
              "ms": 1863001847998.9514
            },
            "end": {
              "local": "2029-01-14T18:01:31+05:30",
              "utc": "2029-01-14T12:31:31Z",
              "ms": 1863088290925.1074
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        },
        {
          "local_date": "2029-01-15",
          "window": {
            "start": {
              "local": "2029-01-14T18:01:31+05:30",
              "utc": "2029-01-14T12:31:31Z",
              "ms": 1863088290925.1074
            },
            "end": {
              "local": "2029-01-15T18:02:14+05:30",
              "utc": "2029-01-15T12:32:14Z",
              "ms": 1863174733934.5237
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "2029-01-14",
        "days": -1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 09:27 on Sun 14 Jan.",
          "fact": "2029-01-14T03:56:48Z · 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 18:02, and the day of the 15th ends at 18:02.",
          "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 30883 s"
        },
        {
          "step": "counted",
          "text": "Bhogi is kept the day before Pongal: Sunday 14 January is the day taken above.",
          "fact": "follows: pongal − 1 d"
        },
        {
          "step": "ruling",
          "text": "Bhogi, Ujjain, 2029: Saturday 13 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "bhogi",
        "follows": {
          "festival": "pongal",
          "days": -1
        },
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        ],
        "rashi": "Makara",
        "day_from": "sunset"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2029-01-13",
          "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": "2029-01-13",
          "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 Ujjain, Bhogi 2029 falls on Saturday 13 January. It is kept the day before Pongal, which falls on Sunday 14 January. The Sun enters Makara at 09:27 on Sun 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/yama-tarpana",
      "festival": "yama-tarpana",
      "name": "Yama Tarpaṇa",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-01-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22694,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2029-01-12T23:06:57+05:30",
          "utc": "2029-01-12T17:36:57Z",
          "ms": 1862933816644.9167
        },
        "end": {
          "local": "2029-01-13T22:47:15+05:30",
          "utc": "2029-01-13T17:17:15Z",
          "ms": 1863019035086.0835
        },
        "month": {
          "amanta": 9,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Pauṣa",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-01-12T23:06:57+05:30",
          "utc": "2029-01-12T17:36:57Z",
          "ms": 1862933816644.9167
        },
        "end": {
          "local": "2029-01-13T22:47:15+05:30",
          "utc": "2029-01-13T17:17:15Z",
          "ms": 1863019035086.0835
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2029-01-13",
          "window": {
            "start": {
              "local": "2029-01-13T05:25:10+05:30",
              "utc": "2029-01-12T23:55:10Z",
              "ms": 1862956510497.547
            },
            "end": {
              "local": "2029-01-13T07:10:34+05:30",
              "utc": "2029-01-13T01:40:34Z",
              "ms": 1862962834390.1543
            }
          },
          "covered_min": 105,
          "window_min": 105,
          "qualifies": true
        },
        {
          "local_date": "2029-01-14",
          "window": {
            "start": {
              "local": "2029-01-14T05:25:18+05:30",
              "utc": "2029-01-13T23:55:18Z",
              "ms": 1863042917500.2288
            },
            "end": {
              "local": "2029-01-14T07:10:36+05:30",
              "utc": "2029-01-14T01:40:36Z",
              "ms": 1863049235885.0405
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 23:07 on Fri 12 Jan to 22:47 on Sat 13 Jan.",
          "fact": "2029-01-12T17:36:57Z → 2029-01-13T17:17:15Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:25–07:11 on the 13th, 05:25–07:11 on the 14th.",
          "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 105 of 105 minutes on the 13th and 0 of 105 on the 14th.",
          "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 22694 s"
        },
        {
          "step": "ruling",
          "text": "Yama Tarpaṇa, Ujjain, 2029: Saturday 13 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "yama-tarpana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Yama tarpana (covering a period of 4 ghatikas before sunrise)"
          }
        ],
        "kaala": "arunodaya",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-01-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-01-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Yama Tarpaṇa 2029 falls on Saturday 13 January. Caturdaśī runs from 23:07 on Fri 12 Jan to 22:47 on Sat 13 Jan and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/pongal",
      "festival": "pongal",
      "name": "Pongal",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30883,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2029-01-14T09:26:48+05:30",
          "utc": "2029-01-14T03:56:48Z",
          "ms": 1863057408123.7656
        },
        "end": {
          "local": "2029-02-12T22:28:43+05:30",
          "utc": "2029-02-12T16:58:43Z",
          "ms": 1865609923356.3171
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2029-01-14T09:26:48+05:30",
          "utc": "2029-01-14T03:56:48Z",
          "ms": 1863057408123.7656
        },
        "end": {
          "local": "2029-01-14T09:26:48+05:30",
          "utc": "2029-01-14T03:56:48Z",
          "ms": 1863057408123.7656
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2029-01-14",
          "window": {
            "start": {
              "local": "2029-01-13T18:00:48+05:30",
              "utc": "2029-01-13T12:30:48Z",
              "ms": 1863001847998.9514
            },
            "end": {
              "local": "2029-01-14T18:01:31+05:30",
              "utc": "2029-01-14T12:31:31Z",
              "ms": 1863088290925.1074
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        },
        {
          "local_date": "2029-01-15",
          "window": {
            "start": {
              "local": "2029-01-14T18:01:31+05:30",
              "utc": "2029-01-14T12:31:31Z",
              "ms": 1863088290925.1074
            },
            "end": {
              "local": "2029-01-15T18:02:14+05:30",
              "utc": "2029-01-15T12:32:14Z",
              "ms": 1863174733934.5237
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 09:27 on Sun 14 Jan.",
          "fact": "2029-01-14T03:56:48Z · 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 18:02, and the day of the 15th ends at 18:02.",
          "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 30883 s"
        },
        {
          "step": "ruling",
          "text": "Pongal, Ujjain, 2029: Sunday 14 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "pongal",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        ],
        "not_evaluated": "The rule that heads the solar festivals, the day \"taken to begin from midnight\" (p. 106), is not applied to Pongal. It is kept on the first day of the month of Makara as the Tamil districts count it, a transit after sunset going to the next day (p. 244); the Rashtriya Panchang prints Pongal so.",
        "rashi": "Makara",
        "day_from": "sunset"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2029-01-14",
          "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": "2029-01-14",
          "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 Ujjain, Pongal (Tai Pongal) 2029 falls on Sunday 14 January. The Sun enters Makara at 09:27 on Sun 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/makara-sankranti",
      "festival": "makara-sankranti",
      "name": "Makara Saṅkrānti",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-01-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34008,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2029-01-14T09:26:48+05:30",
          "utc": "2029-01-14T03:56:48Z",
          "ms": 1863057408123.7656
        },
        "end": {
          "local": "2029-02-12T22:28:43+05:30",
          "utc": "2029-02-12T16:58:43Z",
          "ms": 1865609923356.3171
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2029-01-14T09:26:48+05:30",
          "utc": "2029-01-14T03:56:48Z",
          "ms": 1863057408123.7656
        },
        "end": {
          "local": "2029-01-14T09:26:48+05:30",
          "utc": "2029-01-14T03:56:48Z",
          "ms": 1863057408123.7656
        }
      },
      "kaala": "civil-day",
      "days": [
        {
          "local_date": "2029-01-13",
          "window": {
            "start": {
              "local": "2029-01-13T00:00:00+05:30",
              "utc": "2029-01-12T18:30:00Z",
              "ms": 1862937000000
            },
            "end": {
              "local": "2029-01-14T00:00:00+05:30",
              "utc": "2029-01-13T18:30:00Z",
              "ms": 1863023400000
            }
          },
          "covered_min": 0,
          "window_min": 1440,
          "qualifies": false
        },
        {
          "local_date": "2029-01-14",
          "window": {
            "start": {
              "local": "2029-01-14T00:00:00+05:30",
              "utc": "2029-01-13T18:30:00Z",
              "ms": 1863023400000
            },
            "end": {
              "local": "2029-01-15T00:00:00+05:30",
              "utc": "2029-01-14T18:30:00Z",
              "ms": 1863109800000
            }
          },
          "covered_min": 1,
          "window_min": 1440,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 09:27 on Sun 14 Jan.",
          "fact": "2029-01-14T03:56:48Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day is counted from midnight to midnight, on the clock of Ujjain.",
          "fact": "civil-day: midnight-to-midnight · Asia/Kolkata"
        },
        {
          "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 34008 s"
        },
        {
          "step": "ruling",
          "text": "Makara Saṅkrānti, Ujjain, 2029: Sunday 14 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "makara-sankranti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        ],
        "rashi": "Makara",
        "day_from": "midnight"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-01-14",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "sunrise-day",
          "local_date": "2029-01-14",
          "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": "2029-01-14",
          "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 Ujjain, Makara Saṅkrānti 2029 falls on Sunday 14 January. The Sun enters Makara at 09:27 on Sun 14 Jan, and the rule counts the day from midnight.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/mattu-pongal",
      "festival": "mattu-pongal",
      "name": "Mattu Pongal",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-01-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30883,
      "anga": {
        "type": "sankranti",
        "index": 9,
        "key": "makara",
        "name": "Makara",
        "start": {
          "local": "2029-01-14T09:26:48+05:30",
          "utc": "2029-01-14T03:56:48Z",
          "ms": 1863057408123.7656
        },
        "end": {
          "local": "2029-02-12T22:28:43+05:30",
          "utc": "2029-02-12T16:58:43Z",
          "ms": 1865609923356.3171
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2029-01-14T09:26:48+05:30",
          "utc": "2029-01-14T03:56:48Z",
          "ms": 1863057408123.7656
        },
        "end": {
          "local": "2029-01-14T09:26:48+05:30",
          "utc": "2029-01-14T03:56:48Z",
          "ms": 1863057408123.7656
        }
      },
      "kaala": "sunset-day",
      "days": [
        {
          "local_date": "2029-01-14",
          "window": {
            "start": {
              "local": "2029-01-13T18:00:48+05:30",
              "utc": "2029-01-13T12:30:48Z",
              "ms": 1863001847998.9514
            },
            "end": {
              "local": "2029-01-14T18:01:31+05:30",
              "utc": "2029-01-14T12:31:31Z",
              "ms": 1863088290925.1074
            }
          },
          "covered_min": 1,
          "window_min": 1441,
          "qualifies": true
        },
        {
          "local_date": "2029-01-15",
          "window": {
            "start": {
              "local": "2029-01-14T18:01:31+05:30",
              "utc": "2029-01-14T12:31:31Z",
              "ms": 1863088290925.1074
            },
            "end": {
              "local": "2029-01-15T18:02:14+05:30",
              "utc": "2029-01-15T12:32:14Z",
              "ms": 1863174733934.5237
            }
          },
          "covered_min": 0,
          "window_min": 1441,
          "qualifies": false
        }
      ],
      "follows": {
        "festival": "pongal",
        "name": "Pongal",
        "local_date": "2029-01-14",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Makara at 09:27 on Sun 14 Jan.",
          "fact": "2029-01-14T03:56:48Z · 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 18:02, and the day of the 15th ends at 18:02.",
          "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 30883 s"
        },
        {
          "step": "counted",
          "text": "Mattu Pongal is kept the day after Pongal: Sunday 14 January is the day taken above.",
          "fact": "follows: pongal + 1 d"
        },
        {
          "step": "ruling",
          "text": "Mattu Pongal, Ujjain, 2029: Monday 15 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "mattu-pongal",
        "follows": {
          "festival": "pongal",
          "days": 1
        },
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Makaradi — Makaradi snana, Magh Bihu (Assam), Tila samkranti, Pongal (S. India), Bhogi (S. India — on the day before Pongal), Mattu Pongal (S. India — on the day after Pongal)."
          },
          {
            "text": "Calendar Reform Committee 1955, Rules of Samkranti",
            "locator": "p. 244",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The Tamil rule: In the Tamil districts the rule is that when a samkranti takes place before sunset, the month begins on the same day, while if it takes place after sunset the month begins on the following day."
          }
        ],
        "rashi": "Makara",
        "day_from": "sunset"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-01-15",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2029-01-15",
          "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": "2029-01-15",
          "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 Ujjain, Mattu Pongal 2029 falls on Monday 15 January. It is kept the day after Pongal, which falls on Sunday 14 January. The Sun enters Makara at 09:27 on Sun 14 Jan. The rule counts the day from sunset to sunset, and the transit falls between the sunsets of the 13th and the 14th.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/ganesha-jayanti",
      "festival": "ganesha-jayanti",
      "name": "Gaṇeśa Jayantī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-01-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28578,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-01-18T02:14:29+05:30",
          "utc": "2029-01-17T20:44:29Z",
          "ms": 1863377068719.7458
        },
        "end": {
          "local": "2029-01-19T04:17:26+05:30",
          "utc": "2029-01-18T22:47:26Z",
          "ms": 1863470845868.4346
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-01-18T02:14:29+05:30",
          "utc": "2029-01-17T20:44:29Z",
          "ms": 1863377068719.7458
        },
        "end": {
          "local": "2029-01-19T04:17:26+05:30",
          "utc": "2029-01-18T22:47:26Z",
          "ms": 1863470845868.4346
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-01-18",
          "window": {
            "start": {
              "local": "2029-01-18T12:13:25+05:30",
              "utc": "2029-01-18T06:43:25Z",
              "ms": 1863413005426.4375
            },
            "end": {
              "local": "2029-01-18T13:01:25+05:30",
              "utc": "2029-01-18T07:31:25Z",
              "ms": 1863415885426.4375
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-01-19",
          "window": {
            "start": {
              "local": "2029-01-19T12:13:44+05:30",
              "utc": "2029-01-19T06:43:44Z",
              "ms": 1863499424125.8784
            },
            "end": {
              "local": "2029-01-19T13:01:44+05:30",
              "utc": "2029-01-19T07:31:44Z",
              "ms": 1863502304125.8784
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 02:14 on Thu 18 Jan to 04:17 on Fri 19 Jan.",
          "fact": "2029-01-17T20:44:29Z → 2029-01-18T22:47:26Z"
        },
        {
          "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": "Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 18th and 0 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 28578 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Jayantī, Ujjain, 2029: Thursday 18 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ganesha-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-01-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-01-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Gaṇeśa Jayantī (Maghi Ganesh Jayanti) 2029 falls on Thursday 18 January. Caturthī runs from 02:14 on Thu 18 Jan to 04:17 on Fri 19 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/tila-chaturthi",
      "festival": "tila-chaturthi",
      "name": "Tila Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-01-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23154,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-01-18T02:14:29+05:30",
          "utc": "2029-01-17T20:44:29Z",
          "ms": 1863377068719.7458
        },
        "end": {
          "local": "2029-01-19T04:17:26+05:30",
          "utc": "2029-01-18T22:47:26Z",
          "ms": 1863470845868.4346
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-01-18T02:14:29+05:30",
          "utc": "2029-01-17T20:44:29Z",
          "ms": 1863377068719.7458
        },
        "end": {
          "local": "2029-01-19T04:17:26+05:30",
          "utc": "2029-01-18T22:47:26Z",
          "ms": 1863470845868.4346
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-01-17",
          "window": {
            "start": {
              "local": "2029-01-17T18:03:40+05:30",
              "utc": "2029-01-17T12:33:40Z",
              "ms": 1863347620051.3545
            },
            "end": {
              "local": "2029-01-17T19:48:34+05:30",
              "utc": "2029-01-17T14:18:34Z",
              "ms": 1863353914413.3496
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        },
        {
          "local_date": "2029-01-18",
          "window": {
            "start": {
              "local": "2029-01-18T18:04:23+05:30",
              "utc": "2029-01-18T12:34:23Z",
              "ms": 1863434063086.5566
            },
            "end": {
              "local": "2029-01-18T19:49:11+05:30",
              "utc": "2029-01-18T14:19:11Z",
              "ms": 1863440350967.1511
            }
          },
          "covered_min": 105,
          "window_min": 105,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 02:14 on Thu 18 Jan to 04:17 on Fri 19 Jan.",
          "fact": "2029-01-17T20:44:29Z → 2029-01-18T22:47:26Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:04–19:49 on the 17th, 18:04–19:49 on the 18th.",
          "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 105 minutes on the 17th and 105 of 105 on the 18th.",
          "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 23154 s"
        },
        {
          "step": "ruling",
          "text": "Tila Caturthī, Ujjain, 2029: Thursday 18 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "tila-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 4 Tila caturthi and Kunda caturthi (pradosavyapini), Varada caturthi (Bengal & Orissa), Ganesa caturthi, Ganesa jayanti (madhyahnavyapini purvaviddha)."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-01-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-01-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Tila Caturthī 2029 falls on Thursday 18 January. Caturthī runs from 02:14 on Thu 18 Jan to 04:17 on Fri 19 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/shri-panchami",
      "festival": "shri-panchami",
      "name": "Śrī Pañcamī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-01-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20030,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2029-01-19T04:17:26+05:30",
          "utc": "2029-01-18T22:47:26Z",
          "ms": 1863470845868.4346
        },
        "end": {
          "local": "2029-01-20T06:40:12+05:30",
          "utc": "2029-01-20T01:10:12Z",
          "ms": 1863565811617.3015
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-01-19T04:17:26+05:30",
          "utc": "2029-01-18T22:47:26Z",
          "ms": 1863470845868.4346
        },
        "end": {
          "local": "2029-01-20T06:40:12+05:30",
          "utc": "2029-01-20T01:10:12Z",
          "ms": 1863565811617.3015
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-01-19",
          "window": {
            "start": {
              "local": "2029-01-19T12:13:44+05:30",
              "utc": "2029-01-19T06:43:44Z",
              "ms": 1863499424125.8784
            },
            "end": {
              "local": "2029-01-19T13:01:44+05:30",
              "utc": "2029-01-19T07:31:44Z",
              "ms": 1863502304125.8784
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-01-20",
          "window": {
            "start": {
              "local": "2029-01-20T12:14:02+05:30",
              "utc": "2029-01-20T06:44:02Z",
              "ms": 1863585842068.7117
            },
            "end": {
              "local": "2029-01-20T13:02:02+05:30",
              "utc": "2029-01-20T07:32:02Z",
              "ms": 1863588722068.7117
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 04:17 on Fri 19 Jan to 06:40 on Sat 20 Jan.",
          "fact": "2029-01-18T22:47:26Z → 2029-01-20T01:10:12Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 19th, 12:14–13:02 on the 20th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 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. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 20030 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Pañcamī, Ujjain, 2029: Friday 19 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shri-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-01-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-01-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śrī Pañcamī 2029 falls on Friday 19 January. Pañcamī runs from 04:17 on Fri 19 Jan to 06:40 on Sat 20 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/vasanta-panchami",
      "festival": "vasanta-panchami",
      "name": "Vasanta Pañcamī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-01-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20030,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2029-01-19T04:17:26+05:30",
          "utc": "2029-01-18T22:47:26Z",
          "ms": 1863470845868.4346
        },
        "end": {
          "local": "2029-01-20T06:40:12+05:30",
          "utc": "2029-01-20T01:10:12Z",
          "ms": 1863565811617.3015
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-01-19T04:17:26+05:30",
          "utc": "2029-01-18T22:47:26Z",
          "ms": 1863470845868.4346
        },
        "end": {
          "local": "2029-01-20T06:40:12+05:30",
          "utc": "2029-01-20T01:10:12Z",
          "ms": 1863565811617.3015
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-01-19",
          "window": {
            "start": {
              "local": "2029-01-19T12:13:44+05:30",
              "utc": "2029-01-19T06:43:44Z",
              "ms": 1863499424125.8784
            },
            "end": {
              "local": "2029-01-19T13:01:44+05:30",
              "utc": "2029-01-19T07:31:44Z",
              "ms": 1863502304125.8784
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-01-20",
          "window": {
            "start": {
              "local": "2029-01-20T12:14:02+05:30",
              "utc": "2029-01-20T06:44:02Z",
              "ms": 1863585842068.7117
            },
            "end": {
              "local": "2029-01-20T13:02:02+05:30",
              "utc": "2029-01-20T07:32:02Z",
              "ms": 1863588722068.7117
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 04:17 on Fri 19 Jan to 06:40 on Sat 20 Jan.",
          "fact": "2029-01-18T22:47:26Z → 2029-01-20T01:10:12Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 19th, 12:14–13:02 on the 20th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 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. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 20030 s"
        },
        {
          "step": "ruling",
          "text": "Vasanta Pañcamī, Ujjain, 2029: Friday 19 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vasanta-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-01-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-01-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Vasanta Pañcamī (Basant Panchami) 2029 falls on Friday 19 January. Pañcamī runs from 04:17 on Fri 19 Jan to 06:40 on Sat 20 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/ratha-saptami",
      "festival": "ratha-saptami",
      "name": "Ratha Saptamī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-01-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7369,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2029-01-21T09:12:56+05:30",
          "utc": "2029-01-21T03:42:56Z",
          "ms": 1863661375648.1028
        },
        "end": {
          "local": "2029-01-22T11:43:14+05:30",
          "utc": "2029-01-22T06:13:14Z",
          "ms": 1863756793690.8857
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-01-21T09:12:56+05:30",
          "utc": "2029-01-21T03:42:56Z",
          "ms": 1863661375648.1028
        },
        "end": {
          "local": "2029-01-22T11:43:14+05:30",
          "utc": "2029-01-22T06:13:14Z",
          "ms": 1863756793690.8857
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2029-01-21",
          "window": {
            "start": {
              "local": "2029-01-21T05:25:32+05:30",
              "utc": "2029-01-20T23:55:32Z",
              "ms": 1863647732403.698
            },
            "end": {
              "local": "2029-01-21T07:10:07+05:30",
              "utc": "2029-01-21T01:40:07Z",
              "ms": 1863654006782.4622
            }
          },
          "covered_min": 0,
          "window_min": 105,
          "qualifies": false
        },
        {
          "local_date": "2029-01-22",
          "window": {
            "start": {
              "local": "2029-01-22T05:25:30+05:30",
              "utc": "2029-01-21T23:55:30Z",
              "ms": 1863734129587.9014
            },
            "end": {
              "local": "2029-01-22T07:09:57+05:30",
              "utc": "2029-01-22T01:39:57Z",
              "ms": 1863740396955.436
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 09:13 on Sun 21 Jan to 11:43 on Mon 22 Jan.",
          "fact": "2029-01-21T03:42:56Z → 2029-01-22T06:13:14Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 05:26–07:10 on the 21st, 05:25–07:10 on the 22nd.",
          "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 105 minutes on the 21st and 104 of 104 on the 22nd.",
          "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 7369 s"
        },
        {
          "step": "ruling",
          "text": "Ratha Saptamī, Ujjain, 2029: Monday 22 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ratha-saptami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha]."
          }
        ],
        "kaala": "arunodaya",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-01-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-01-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Ratha Saptamī 2029 falls on Monday 22 January. Saptamī runs from 09:13 on Sun 21 Jan to 11:43 on Mon 22 Jan and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/ekadashi?on=2029-01-26",
      "festival": "ekadashi",
      "name": "Jayā Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-01-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34893,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-01-25T16:50:52+05:30",
          "utc": "2029-01-25T11:20:52Z",
          "ms": 1864034451735.1409
        },
        "end": {
          "local": "2029-01-26T17:13:40+05:30",
          "utc": "2029-01-26T11:43:40Z",
          "ms": 1864122220472.217
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-01-25T16:50:52+05:30",
          "utc": "2029-01-25T11:20:52Z",
          "ms": 1864034451735.1409
        },
        "end": {
          "local": "2029-01-26T17:13:40+05:30",
          "utc": "2029-01-26T11:43:40Z",
          "ms": 1864122220472.217
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-01-25",
          "window": {
            "start": {
              "local": "2029-01-25T07:09:19+05:30",
              "utc": "2029-01-25T01:39:19Z",
              "ms": 1863999559056.3662
            },
            "end": {
              "local": "2029-01-25T07:09:19+05:30",
              "utc": "2029-01-25T01:39:19Z",
              "ms": 1863999559056.3662
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2029-01-26",
          "window": {
            "start": {
              "local": "2029-01-26T07:09:04+05:30",
              "utc": "2029-01-26T01:39:04Z",
              "ms": 1864085943646.9258
            },
            "end": {
              "local": "2029-01-26T07:09:04+05:30",
              "utc": "2029-01-26T01:39:04Z",
              "ms": 1864085943646.9258
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 16:51 on Thu 25 Jan to 17:14 on Fri 26 Jan.",
          "fact": "2029-01-25T11:20:52Z → 2029-01-26T11:43:40Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:09 on the 25th and 07:09 on the 26th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 25th and is on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 34893 s"
        },
        {
          "step": "ruling",
          "text": "Jayā Ekādaśī, Ujjain, 2029: Friday 26 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": "2029-01-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-01-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Jayā Ekādaśī 2029 falls on Friday 26 January. Ekādaśī runs from 16:51 on Thu 25 Jan to 17:14 on Fri 26 Jan and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-01-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/bhishma-dvadashi",
      "festival": "bhishma-dvadashi",
      "name": "Bhīṣma Dvādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-01-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13575,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2029-01-26T17:13:40+05:30",
          "utc": "2029-01-26T11:43:40Z",
          "ms": 1864122220472.217
        },
        "end": {
          "local": "2029-01-27T16:50:00+05:30",
          "utc": "2029-01-27T11:20:00Z",
          "ms": 1864207200313.8623
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-01-26T17:13:40+05:30",
          "utc": "2029-01-26T11:43:40Z",
          "ms": 1864122220472.217
        },
        "end": {
          "local": "2029-01-27T16:50:00+05:30",
          "utc": "2029-01-27T11:20:00Z",
          "ms": 1864207200313.8623
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-01-26",
          "window": {
            "start": {
              "local": "2029-01-26T12:15:33+05:30",
              "utc": "2029-01-26T06:45:33Z",
              "ms": 1864104333158.2554
            },
            "end": {
              "local": "2029-01-26T13:03:33+05:30",
              "utc": "2029-01-26T07:33:33Z",
              "ms": 1864107213158.2554
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-01-27",
          "window": {
            "start": {
              "local": "2029-01-27T12:15:46+05:30",
              "utc": "2029-01-27T06:45:46Z",
              "ms": 1864190745500.5637
            },
            "end": {
              "local": "2029-01-27T13:03:46+05:30",
              "utc": "2029-01-27T07:33:46Z",
              "ms": 1864193625500.5637
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 17:14 on Fri 26 Jan to 16:50 on Sat 27 Jan.",
          "fact": "2029-01-26T11:43:40Z → 2029-01-27T11:20:00Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 26th, 12:16–13:04 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 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: purvaviddha → only-day · margin 13575 s"
        },
        {
          "step": "ruling",
          "text": "Bhīṣma Dvādaśī, Ujjain, 2029: Saturday 27 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "bhishma-dvadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-01-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-01-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Bhīṣma Dvādaśī 2029 falls on Saturday 27 January. Dvādaśī runs from 17:14 on Fri 26 Jan to 16:50 on Sat 27 Jan and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/pradosha-vrata?on=2029-01-27",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-01-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4844,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-01-27T16:50:00+05:30",
          "utc": "2029-01-27T11:20:00Z",
          "ms": 1864207200313.8623
        },
        "end": {
          "local": "2029-01-28T15:41:46+05:30",
          "utc": "2029-01-28T10:11:46Z",
          "ms": 1864289506104.7314
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-01-27T16:50:00+05:30",
          "utc": "2029-01-27T11:20:00Z",
          "ms": 1864207200313.8623
        },
        "end": {
          "local": "2029-01-28T15:41:46+05:30",
          "utc": "2029-01-28T10:11:46Z",
          "ms": 1864289506104.7314
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-01-27",
          "window": {
            "start": {
              "local": "2029-01-27T18:10:44+05:30",
              "utc": "2029-01-27T12:40:44Z",
              "ms": 1864212044133.0676
            },
            "end": {
              "local": "2029-01-27T19:54:26+05:30",
              "utc": "2029-01-27T14:24:26Z",
              "ms": 1864218266079.7822
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        },
        {
          "local_date": "2029-01-28",
          "window": {
            "start": {
              "local": "2029-01-28T18:11:25+05:30",
              "utc": "2029-01-28T12:41:25Z",
              "ms": 1864298485306.068
            },
            "end": {
              "local": "2029-01-28T19:54:59+05:30",
              "utc": "2029-01-28T14:24:59Z",
              "ms": 1864304699166.3535
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 16:50 on Sat 27 Jan to 15:42 on Sun 28 Jan.",
          "fact": "2029-01-27T11:20:00Z → 2029-01-28T10:11:46Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:11–19:54 on the 27th, 18:11–19:55 on the 28th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 104 of 104 minutes on the 27th and 0 of 104 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 4844 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Ujjain, 2029: Saturday 27 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-01-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-01-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śukla Pradoṣa Vrata 2029 falls on Saturday 27 January. Trayodaśī runs from 16:50 on Sat 27 Jan to 15:42 on Sun 28 Jan and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/pradosha-vrata?on=2029-01-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/maghi-purnima",
      "festival": "maghi-purnima",
      "name": "Māghī Pūrṇimā",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-01-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2560,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2029-01-29T13:53:56+05:30",
          "utc": "2029-01-29T08:23:56Z",
          "ms": 1864369435860.7632
        },
        "end": {
          "local": "2029-01-30T11:33:38+05:30",
          "utc": "2029-01-30T06:03:38Z",
          "ms": 1864447417681.7686
        },
        "month": {
          "amanta": 10,
          "purnimanta": 10,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Māgha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-01-29T13:53:56+05:30",
          "utc": "2029-01-29T08:23:56Z",
          "ms": 1864369435860.7632
        },
        "end": {
          "local": "2029-01-30T11:33:38+05:30",
          "utc": "2029-01-30T06:03:38Z",
          "ms": 1864447417681.7686
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-01-29",
          "window": {
            "start": {
              "local": "2029-01-29T12:16:08+05:30",
              "utc": "2029-01-29T06:46:08Z",
              "ms": 1864363567715.476
            },
            "end": {
              "local": "2029-01-29T13:04:08+05:30",
              "utc": "2029-01-29T07:34:08Z",
              "ms": 1864366447715.476
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-01-30",
          "window": {
            "start": {
              "local": "2029-01-30T12:16:18+05:30",
              "utc": "2029-01-30T06:46:18Z",
              "ms": 1864449977589.232
            },
            "end": {
              "local": "2029-01-30T13:04:18+05:30",
              "utc": "2029-01-30T07:34:18Z",
              "ms": 1864452857589.232
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 13:54 on Mon 29 Jan to 11:34 on Tue 30 Jan.",
          "fact": "2029-01-29T08:23:56Z → 2029-01-30T06:03:38Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 29th, 12:16–13:04 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 0 of 48 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: paraviddha → second-day · margin 2560 s"
        },
        {
          "step": "ruling",
          "text": "Māghī Pūrṇimā, Ujjain, 2029: Tuesday 30 January.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "maghi-purnima",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Maghi purnima (paraviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-01-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-01-30",
          "confidence": "boundary"
        }
      ],
      "quote": "In Ujjain, Māghī Pūrṇimā 2029 falls on Tuesday 30 January. Pūrṇimā runs from 13:54 on Mon 29 Jan to 11:34 on Tue 30 Jan, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/sankashta-chaturthi?on=2029-02-02",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-02-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7430,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-02-02T02:45:34+05:30",
          "utc": "2029-02-01T21:15:34Z",
          "ms": 1864674933867.928
        },
        "end": {
          "local": "2029-02-02T23:44:15+05:30",
          "utc": "2029-02-02T18:14:15Z",
          "ms": 1864750454904.496
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-02-02T02:45:34+05:30",
          "utc": "2029-02-01T21:15:34Z",
          "ms": 1864674933867.928
        },
        "end": {
          "local": "2029-02-02T23:44:15+05:30",
          "utc": "2029-02-02T18:14:15Z",
          "ms": 1864750454904.496
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2029-02-01",
          "window": {
            "start": {
              "local": "2029-02-01T20:37:41+05:30",
              "utc": "2029-02-01T15:07:41Z",
              "ms": 1864652860646.675
            },
            "end": {
              "local": "2029-02-01T20:37:41+05:30",
              "utc": "2029-02-01T15:07:41Z",
              "ms": 1864652860646.675
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2029-02-02",
          "window": {
            "start": {
              "local": "2029-02-02T21:40:24+05:30",
              "utc": "2029-02-02T16:10:24Z",
              "ms": 1864743024418.1475
            },
            "end": {
              "local": "2029-02-02T21:40:24+05:30",
              "utc": "2029-02-02T16:10:24Z",
              "ms": 1864743024418.1475
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 02:46 on Fri 2 Feb to 23:44 on Fri 2 Feb.",
          "fact": "2029-02-01T21:15:34Z → 2029-02-02T18:14:15Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:38 on the 1st and 21:40 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 7430 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Ujjain, 2029: Friday 2 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-02-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-02-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2029 falls on Friday 2 February. Caturthī runs from 02:46 on Fri 2 Feb to 23:44 on Fri 2 Feb and is current at moonrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/sankashta-chaturthi?on=2029-02-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/ekadashi?on=2029-02-09",
      "festival": "ekadashi",
      "name": "Vijayā Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-02-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19852,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-02-08T12:45:34+05:30",
          "utc": "2029-02-08T07:15:34Z",
          "ms": 1865229333855.571
        },
        "end": {
          "local": "2029-02-09T12:34:04+05:30",
          "utc": "2029-02-09T07:04:04Z",
          "ms": 1865315044055.326
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-02-08T12:45:34+05:30",
          "utc": "2029-02-08T07:15:34Z",
          "ms": 1865229333855.571
        },
        "end": {
          "local": "2029-02-09T12:34:04+05:30",
          "utc": "2029-02-09T07:04:04Z",
          "ms": 1865315044055.326
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-02-08",
          "window": {
            "start": {
              "local": "2029-02-08T07:03:45+05:30",
              "utc": "2029-02-08T01:33:45Z",
              "ms": 1865208824842.0098
            },
            "end": {
              "local": "2029-02-08T07:03:45+05:30",
              "utc": "2029-02-08T01:33:45Z",
              "ms": 1865208824842.0098
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2029-02-09",
          "window": {
            "start": {
              "local": "2029-02-09T07:03:12+05:30",
              "utc": "2029-02-09T01:33:12Z",
              "ms": 1865295191868.9917
            },
            "end": {
              "local": "2029-02-09T07:03:12+05:30",
              "utc": "2029-02-09T01:33:12Z",
              "ms": 1865295191868.9917
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 12:46 on Thu 8 Feb to 12:34 on Fri 9 Feb.",
          "fact": "2029-02-08T07:15:34Z → 2029-02-09T07:04:04Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:04 on the 8th and 07:03 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 19852 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Ekādaśī, Ujjain, 2029: Friday 9 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": "2029-02-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-02-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Vijayā Ekādaśī 2029 falls on Friday 9 February. Ekādaśī runs from 12:46 on Thu 8 Feb to 12:34 on Fri 9 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-02-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/pradosha-vrata?on=2029-02-10",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-02-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17397,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-02-10T12:49:39+05:30",
          "utc": "2029-02-10T07:19:39Z",
          "ms": 1865402379390.7637
        },
        "end": {
          "local": "2029-02-11T13:30:28+05:30",
          "utc": "2029-02-11T08:00:28Z",
          "ms": 1865491227956.5293
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-02-10T12:49:39+05:30",
          "utc": "2029-02-10T07:19:39Z",
          "ms": 1865402379390.7637
        },
        "end": {
          "local": "2029-02-11T13:30:28+05:30",
          "utc": "2029-02-11T08:00:28Z",
          "ms": 1865491227956.5293
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-02-10",
          "window": {
            "start": {
              "local": "2029-02-10T18:19:49+05:30",
              "utc": "2029-02-10T12:49:49Z",
              "ms": 1865422188777.5579
            },
            "end": {
              "local": "2029-02-10T20:01:27+05:30",
              "utc": "2029-02-10T14:31:27Z",
              "ms": 1865428286622.5283
            }
          },
          "covered_min": 102,
          "window_min": 102,
          "qualifies": true
        },
        {
          "local_date": "2029-02-11",
          "window": {
            "start": {
              "local": "2029-02-11T18:20:25+05:30",
              "utc": "2029-02-11T12:50:25Z",
              "ms": 1865508624718.1228
            },
            "end": {
              "local": "2029-02-11T20:01:53+05:30",
              "utc": "2029-02-11T14:31:53Z",
              "ms": 1865514712938.6892
            }
          },
          "covered_min": 0,
          "window_min": 101,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 12:50 on Sat 10 Feb to 13:30 on Sun 11 Feb.",
          "fact": "2029-02-10T07:19:39Z → 2029-02-11T08:00:28Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:20–20:01 on the 10th, 18:20–20:02 on the 11th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 102 of 102 minutes on the 10th and 0 of 101 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 17397 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2029: Saturday 10 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-02-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-02-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2029 falls on Saturday 10 February. Trayodaśī runs from 12:50 on Sat 10 Feb to 13:30 on Sun 11 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/pradosha-vrata?on=2029-02-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/maha-shivaratri",
      "festival": "maha-shivaratri",
      "name": "Mahāśivarātri",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-02-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34923,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2029-02-11T13:30:28+05:30",
          "utc": "2029-02-11T08:00:28Z",
          "ms": 1865491227956.5293
        },
        "end": {
          "local": "2029-02-12T14:34:52+05:30",
          "utc": "2029-02-12T09:04:52Z",
          "ms": 1865581491970.9211
        },
        "month": {
          "amanta": 10,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Māgha",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-02-11T13:30:28+05:30",
          "utc": "2029-02-11T08:00:28Z",
          "ms": 1865491227956.5293
        },
        "end": {
          "local": "2029-02-12T14:34:52+05:30",
          "utc": "2029-02-12T09:04:52Z",
          "ms": 1865581491970.9211
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2029-02-11",
          "window": {
            "start": {
              "local": "2029-02-12T00:16:56+05:30",
              "utc": "2029-02-11T18:46:56Z",
              "ms": 1865530015545.247
            },
            "end": {
              "local": "2029-02-12T01:04:56+05:30",
              "utc": "2029-02-11T19:34:56Z",
              "ms": 1865532895545.247
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-02-12",
          "window": {
            "start": {
              "local": "2029-02-13T00:16:55+05:30",
              "utc": "2029-02-12T18:46:55Z",
              "ms": 1865616414646.463
            },
            "end": {
              "local": "2029-02-13T01:04:55+05:30",
              "utc": "2029-02-12T19:34:55Z",
              "ms": 1865619294646.463
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 13:30 on Sun 11 Feb to 14:35 on Mon 12 Feb.",
          "fact": "2029-02-11T08:00:28Z → 2029-02-12T09:04:52Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:17–01:05 on the 11th, 00:17–01:05 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 34923 s"
        },
        {
          "step": "ruling",
          "text": "Mahāśivarātri, Ujjain, 2029: Sunday 11 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "maha-shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 14 Mahasivaratri (nisithavyapini) — In some opinion it is to be observed on nisitha and in some opinion on pradosa. If occurs on two successive nisithas then according to Hemadri it is to be observed on the first day and according to Madhava, to be observed on the second day"
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "disputed",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-02-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-02-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Mahāśivarātri (Shivratri) 2029 falls on Sunday 11 February. Caturdaśī runs from 13:30 on Sun 11 Feb to 14:35 on Mon 12 Feb and covers all of niśītha that night.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/vinayaka-chaturthi?on=2029-02-17",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-02-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33159,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-02-16T22:17:44+05:30",
          "utc": "2029-02-16T16:47:44Z",
          "ms": 1865954863536.766
        },
        "end": {
          "local": "2029-02-18T00:49:39+05:30",
          "utc": "2029-02-17T19:19:39Z",
          "ms": 1866050378573.251
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-02-16T22:17:44+05:30",
          "utc": "2029-02-16T16:47:44Z",
          "ms": 1865954863536.766
        },
        "end": {
          "local": "2029-02-18T00:49:39+05:30",
          "utc": "2029-02-17T19:19:39Z",
          "ms": 1866050378573.251
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-02-16",
          "window": {
            "start": {
              "local": "2029-02-16T12:17:04+05:30",
              "utc": "2029-02-16T06:47:04Z",
              "ms": 1865918824362.2554
            },
            "end": {
              "local": "2029-02-16T13:05:04+05:30",
              "utc": "2029-02-16T07:35:04Z",
              "ms": 1865921704362.2554
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-02-17",
          "window": {
            "start": {
              "local": "2029-02-17T12:17:00+05:30",
              "utc": "2029-02-17T06:47:00Z",
              "ms": 1866005220312.7607
            },
            "end": {
              "local": "2029-02-17T13:05:00+05:30",
              "utc": "2029-02-17T07:35:00Z",
              "ms": 1866008100312.7607
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 22:18 on Fri 16 Feb to 00:50 on Sun 18 Feb.",
          "fact": "2029-02-16T16:47:44Z → 2029-02-17T19:19:39Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:17–13:05 on the 16th, 12:17–13:05 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 33159 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Ujjain, 2029: Saturday 17 February.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-02-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-02-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Vināyaka Caturthī 2029 falls on Saturday 17 February. Caturthī runs from 22:18 on Fri 16 Feb to 00:50 on Sun 18 Feb and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/vinayaka-chaturthi?on=2029-02-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/ekadashi?on=2029-02-25",
      "festival": "ekadashi",
      "name": "Āmalakī Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-02-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8375,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-02-24T10:04:45+05:30",
          "utc": "2029-02-24T04:34:45Z",
          "ms": 1866602084607.5518
        },
        "end": {
          "local": "2029-02-25T09:11:42+05:30",
          "utc": "2029-02-25T03:41:42Z",
          "ms": 1866685302394.6384
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-02-24T10:04:45+05:30",
          "utc": "2029-02-24T04:34:45Z",
          "ms": 1866602084607.5518
        },
        "end": {
          "local": "2029-02-25T09:11:42+05:30",
          "utc": "2029-02-25T03:41:42Z",
          "ms": 1866685302394.6384
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-02-24",
          "window": {
            "start": {
              "local": "2029-02-24T06:52:56+05:30",
              "utc": "2029-02-24T01:22:56Z",
              "ms": 1866590575666.1655
            },
            "end": {
              "local": "2029-02-24T06:52:56+05:30",
              "utc": "2029-02-24T01:22:56Z",
              "ms": 1866590575666.1655
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2029-02-25",
          "window": {
            "start": {
              "local": "2029-02-25T06:52:07+05:30",
              "utc": "2029-02-25T01:22:07Z",
              "ms": 1866676927497.655
            },
            "end": {
              "local": "2029-02-25T06:52:07+05:30",
              "utc": "2029-02-25T01:22:07Z",
              "ms": 1866676927497.655
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 10:05 on Sat 24 Feb to 09:12 on Sun 25 Feb.",
          "fact": "2029-02-24T04:34:45Z → 2029-02-25T03:41:42Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:53 on the 24th and 06:52 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 8375 s"
        },
        {
          "step": "ruling",
          "text": "Āmalakī Ekādaśī, Ujjain, 2029: Sunday 25 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": "2029-02-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-02-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Āmalakī Ekādaśī 2029 falls on Sunday 25 February. Ekādaśī runs from 10:05 on Sat 24 Feb to 09:12 on Sun 25 Feb and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-02-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/pradosha-vrata?on=2029-02-26",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-02-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32256,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-02-26T07:29:55+05:30",
          "utc": "2029-02-26T01:59:55Z",
          "ms": 1866765595397.6992
        },
        "end": {
          "local": "2029-02-27T05:05:01+05:30",
          "utc": "2029-02-26T23:35:01Z",
          "ms": 1866843300936.1106
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-02-26T07:29:55+05:30",
          "utc": "2029-02-26T01:59:55Z",
          "ms": 1866765595397.6992
        },
        "end": {
          "local": "2029-02-27T05:05:01+05:30",
          "utc": "2029-02-26T23:35:01Z",
          "ms": 1866843300936.1106
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-02-25",
          "window": {
            "start": {
              "local": "2029-02-25T18:28:00+05:30",
              "utc": "2029-02-25T12:58:00Z",
              "ms": 1866718679662.5542
            },
            "end": {
              "local": "2029-02-25T20:07:06+05:30",
              "utc": "2029-02-25T14:37:06Z",
              "ms": 1866724626185.6125
            }
          },
          "covered_min": 0,
          "window_min": 99,
          "qualifies": false
        },
        {
          "local_date": "2029-02-26",
          "window": {
            "start": {
              "local": "2029-02-26T18:28:29+05:30",
              "utc": "2029-02-26T12:58:29Z",
              "ms": 1866805108755.9702
            },
            "end": {
              "local": "2029-02-26T20:07:25+05:30",
              "utc": "2029-02-26T14:37:25Z",
              "ms": 1866811044782.891
            }
          },
          "covered_min": 99,
          "window_min": 99,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 07:30 on Mon 26 Feb to 05:05 on Tue 27 Feb.",
          "fact": "2029-02-26T01:59:55Z → 2029-02-26T23:35:01Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:28–20:07 on the 25th, 18:28–20:07 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 99 minutes on the 25th and 99 of 99 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 32256 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Ujjain, 2029: Monday 26 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": "2029-02-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-02-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śukla Pradoṣa Vrata 2029 falls on Monday 26 February. Trayodaśī runs from 07:30 on Mon 26 Feb to 05:05 on Tue 27 Feb and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/pradosha-vrata?on=2029-02-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/holika-dahana",
      "festival": "holika-dahana",
      "name": "Holikā Dahana",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-02-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15050,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2029-02-28T02:05:10+05:30",
          "utc": "2029-02-27T20:35:10Z",
          "ms": 1866918910118.859
        },
        "end": {
          "local": "2029-02-28T22:40:16+05:30",
          "utc": "2029-02-28T17:10:16Z",
          "ms": 1866993015788.3105
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-02-28T02:05:10+05:30",
          "utc": "2029-02-27T20:35:10Z",
          "ms": 1866918910118.859
        },
        "end": {
          "local": "2029-02-28T22:40:16+05:30",
          "utc": "2029-02-28T17:10:16Z",
          "ms": 1866993015788.3105
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2029-02-27",
          "window": {
            "start": {
              "local": "2029-02-27T16:09:16+05:30",
              "utc": "2029-02-27T10:39:16Z",
              "ms": 1866883155737.151
            },
            "end": {
              "local": "2029-02-27T18:28:57+05:30",
              "utc": "2029-02-27T12:58:57Z",
              "ms": 1866891537431.9695
            }
          },
          "covered_min": 0,
          "window_min": 140,
          "qualifies": false
        },
        {
          "local_date": "2029-02-28",
          "window": {
            "start": {
              "local": "2029-02-28T16:09:28+05:30",
              "utc": "2029-02-28T10:39:28Z",
              "ms": 1866969568292.241
            },
            "end": {
              "local": "2029-02-28T18:29:26+05:30",
              "utc": "2029-02-28T12:59:26Z",
              "ms": 1866977965704.3618
            }
          },
          "covered_min": 140,
          "window_min": 140,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 02:05 on Wed 28 Feb to 22:40 on Wed 28 Feb.",
          "fact": "2029-02-27T20:35:10Z → 2029-02-28T17:10:16Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:09–18:29 on the 27th, 16:09–18:29 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 140 minutes on the 27th and 140 of 140 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 15050 s"
        },
        {
          "step": "ruling",
          "text": "Holikā Dahana, Ujjain, 2029: Wednesday 28 February.",
          "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": "2029-02-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-02-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Holikā Dahana 2029 falls on Wednesday 28 February. Pūrṇimā runs from 02:05 on Wed 28 Feb to 22:40 on Wed 28 Feb and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/holi",
      "festival": "holi",
      "name": "Holī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-03-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15050,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2029-02-28T02:05:10+05:30",
          "utc": "2029-02-27T20:35:10Z",
          "ms": 1866918910118.859
        },
        "end": {
          "local": "2029-02-28T22:40:16+05:30",
          "utc": "2029-02-28T17:10:16Z",
          "ms": 1866993015788.3105
        },
        "month": {
          "amanta": 11,
          "purnimanta": 11,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Phālguna"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-02-28T02:05:10+05:30",
          "utc": "2029-02-27T20:35:10Z",
          "ms": 1866918910118.859
        },
        "end": {
          "local": "2029-02-28T22:40:16+05:30",
          "utc": "2029-02-28T17:10:16Z",
          "ms": 1866993015788.3105
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2029-02-27",
          "window": {
            "start": {
              "local": "2029-02-27T16:09:16+05:30",
              "utc": "2029-02-27T10:39:16Z",
              "ms": 1866883155737.151
            },
            "end": {
              "local": "2029-02-27T18:28:57+05:30",
              "utc": "2029-02-27T12:58:57Z",
              "ms": 1866891537431.9695
            }
          },
          "covered_min": 0,
          "window_min": 140,
          "qualifies": false
        },
        {
          "local_date": "2029-02-28",
          "window": {
            "start": {
              "local": "2029-02-28T16:09:28+05:30",
              "utc": "2029-02-28T10:39:28Z",
              "ms": 1866969568292.241
            },
            "end": {
              "local": "2029-02-28T18:29:26+05:30",
              "utc": "2029-02-28T12:59:26Z",
              "ms": 1866977965704.3618
            }
          },
          "covered_min": 140,
          "window_min": 140,
          "qualifies": true
        }
      ],
      "follows": {
        "festival": "holika-dahana",
        "name": "Holikā Dahana",
        "local_date": "2029-02-28",
        "days": 1
      },
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 02:05 on Wed 28 Feb to 22:40 on Wed 28 Feb.",
          "fact": "2029-02-27T20:35:10Z → 2029-02-28T17:10:16Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:09–18:29 on the 27th, 16:09–18:29 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 140 minutes on the 27th and 140 of 140 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 15050 s"
        },
        {
          "step": "counted",
          "text": "Holī is kept the day after Holikā Dahana: Wednesday 28 February is the day taken above.",
          "fact": "follows: holika-dahana + 1 d"
        },
        {
          "step": "ruling",
          "text": "Holī, Ujjain, 2029: Thursday 1 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": "2029-03-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-03-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Holī 2029 falls on Thursday 1 March. It is kept the day after Holikā Dahana, which falls on Wednesday 28 February. Pūrṇimā runs from 02:05 on Wed 28 Feb to 22:40 on Wed 28 Feb and covers all of sāyāhna on the 28th.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/vasantotsava",
      "festival": "vasantotsava",
      "name": "Vasantotsava",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-03-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29312,
      "anga": {
        "type": "tithi",
        "index": 15,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2029-02-28T22:40:16+05:30",
          "utc": "2029-02-28T17:10:16Z",
          "ms": 1866993015788.3105
        },
        "end": {
          "local": "2029-03-01T19:01:08+05:30",
          "utc": "2029-03-01T13:31:08Z",
          "ms": 1867066268028.0706
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-02-28T22:40:16+05:30",
          "utc": "2029-02-28T17:10:16Z",
          "ms": 1866993015788.3105
        },
        "end": {
          "local": "2029-03-01T19:01:08+05:30",
          "utc": "2029-03-01T13:31:08Z",
          "ms": 1867066268028.0706
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-03-01",
          "window": {
            "start": {
              "local": "2029-03-01T06:48:48+05:30",
              "utc": "2029-03-01T01:18:48Z",
              "ms": 1867022327672.798
            },
            "end": {
              "local": "2029-03-01T06:48:48+05:30",
              "utc": "2029-03-01T01:18:48Z",
              "ms": 1867022327672.798
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2029-03-02",
          "window": {
            "start": {
              "local": "2029-03-02T06:47:56+05:30",
              "utc": "2029-03-02T01:17:56Z",
              "ms": 1867108676075.0974
            },
            "end": {
              "local": "2029-03-02T06:47:56+05:30",
              "utc": "2029-03-02T01:17:56Z",
              "ms": 1867108676075.0974
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 22:40 on Wed 28 Feb to 19:01 on Thu 1 Mar.",
          "fact": "2029-02-28T17:10:16Z → 2029-03-01T13:31:08Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:49 on the 1st and 06:48 on the 2nd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be current at sunrise. It is on the 1st and is not on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 29312 s"
        },
        {
          "step": "ruling",
          "text": "Vasantotsava, Ujjain, 2029: Thursday 1 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": "2029-03-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-03-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Vasantotsava 2029 falls on Thursday 1 March. Pratipadā runs from 22:40 on Wed 28 Feb to 19:01 on Thu 1 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/sankashta-chaturthi?on=2029-03-03",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-03-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35278,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-03-03T11:44:46+05:30",
          "utc": "2029-03-03T06:14:46Z",
          "ms": 1867212885886.686
        },
        "end": {
          "local": "2029-03-04T08:28:53+05:30",
          "utc": "2029-03-04T02:58:53Z",
          "ms": 1867287532661.0388
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-03-03T11:44:46+05:30",
          "utc": "2029-03-03T06:14:46Z",
          "ms": 1867212885886.686
        },
        "end": {
          "local": "2029-03-04T08:28:53+05:30",
          "utc": "2029-03-04T02:58:53Z",
          "ms": 1867287532661.0388
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2029-03-03",
          "window": {
            "start": {
              "local": "2029-03-03T21:32:44+05:30",
              "utc": "2029-03-03T16:02:44Z",
              "ms": 1867248164382.5474
            },
            "end": {
              "local": "2029-03-03T21:32:44+05:30",
              "utc": "2029-03-03T16:02:44Z",
              "ms": 1867248164382.5474
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2029-03-04",
          "window": {
            "start": {
              "local": "2029-03-04T22:38:42+05:30",
              "utc": "2029-03-04T17:08:42Z",
              "ms": 1867338522194.2996
            },
            "end": {
              "local": "2029-03-04T22:38:42+05:30",
              "utc": "2029-03-04T17:08:42Z",
              "ms": 1867338522194.2996
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:45 on Sat 3 Mar to 08:29 on Sun 4 Mar.",
          "fact": "2029-03-03T06:14:46Z → 2029-03-04T02:58:53Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:33 on the 3rd and 22:39 on the 4th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 3rd and is not on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 35278 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Ujjain, 2029: Saturday 3 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": "2029-03-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-03-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2029 falls on Saturday 3 March. Caturthī runs from 11:45 on Sat 3 Mar to 08:29 on Sun 4 Mar and is current at moonrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/sankashta-chaturthi?on=2029-03-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/shitalashtami",
      "festival": "shitalashtami",
      "name": "Śītalāṣṭamī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-03-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 37269,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2029-03-07T01:52:52+05:30",
          "utc": "2029-03-06T20:22:52Z",
          "ms": 1867522972355.344
        },
        "end": {
          "local": "2029-03-08T01:00:53+05:30",
          "utc": "2029-03-07T19:30:53Z",
          "ms": 1867606253354.648
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-03-07T01:52:52+05:30",
          "utc": "2029-03-06T20:22:52Z",
          "ms": 1867522972355.344
        },
        "end": {
          "local": "2029-03-08T01:00:53+05:30",
          "utc": "2029-03-07T19:30:53Z",
          "ms": 1867606253354.648
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-03-07",
          "window": {
            "start": {
              "local": "2029-03-07T12:14:02+05:30",
              "utc": "2029-03-07T06:44:02Z",
              "ms": 1867560241684.414
            },
            "end": {
              "local": "2029-03-07T13:02:02+05:30",
              "utc": "2029-03-07T07:32:02Z",
              "ms": 1867563121684.414
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-03-08",
          "window": {
            "start": {
              "local": "2029-03-08T12:13:47+05:30",
              "utc": "2029-03-08T06:43:47Z",
              "ms": 1867646627114.8198
            },
            "end": {
              "local": "2029-03-08T13:01:47+05:30",
              "utc": "2029-03-08T07:31:47Z",
              "ms": 1867649507114.8198
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 01:53 on Wed 7 Mar to 01:01 on Thu 8 Mar.",
          "fact": "2029-03-06T20:22:52Z → 2029-03-07T19:30:53Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 7th, 12:14–13:02 on the 8th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 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. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 37269 s"
        },
        {
          "step": "ruling",
          "text": "Śītalāṣṭamī, Ujjain, 2029: Wednesday 7 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shitalashtami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "K 8 Sitalastami, (purvaviddha)"
          }
        ],
        "kaala": "madhyahna",
        "priority": "purvaviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-03-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-03-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śītalāṣṭamī 2029 falls on Wednesday 7 March. Aṣṭamī runs from 01:53 on Wed 7 Mar to 01:01 on Thu 8 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/ekadashi?on=2029-03-10",
      "festival": "ekadashi",
      "name": "Pāpamocanī Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-03-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15792,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-03-10T01:17:02+05:30",
          "utc": "2029-03-09T19:47:02Z",
          "ms": 1867780021507.8643
        },
        "end": {
          "local": "2029-03-11T02:16:36+05:30",
          "utc": "2029-03-10T20:46:36Z",
          "ms": 1867869996459.3188
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-03-10T01:17:02+05:30",
          "utc": "2029-03-09T19:47:02Z",
          "ms": 1867780021507.8643
        },
        "end": {
          "local": "2029-03-11T02:16:36+05:30",
          "utc": "2029-03-10T20:46:36Z",
          "ms": 1867869996459.3188
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-03-10",
          "window": {
            "start": {
              "local": "2029-03-10T06:40:44+05:30",
              "utc": "2029-03-10T01:10:44Z",
              "ms": 1867799444282.6855
            },
            "end": {
              "local": "2029-03-10T06:40:44+05:30",
              "utc": "2029-03-10T01:10:44Z",
              "ms": 1867799444282.6855
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2029-03-11",
          "window": {
            "start": {
              "local": "2029-03-11T06:39:48+05:30",
              "utc": "2029-03-11T01:09:48Z",
              "ms": 1867885788350.254
            },
            "end": {
              "local": "2029-03-11T06:39:48+05:30",
              "utc": "2029-03-11T01:09:48Z",
              "ms": 1867885788350.254
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 01:17 on Sat 10 Mar to 02:17 on Sun 11 Mar.",
          "fact": "2029-03-09T19:47:02Z → 2029-03-10T20:46:36Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:41 on the 10th and 06:40 on the 11th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 10th and is not on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 15792 s"
        },
        {
          "step": "ruling",
          "text": "Pāpamocanī Ekādaśī, Ujjain, 2029: Saturday 10 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-03-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-03-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Pāpamocanī Ekādaśī 2029 falls on Saturday 10 March. Ekādaśī runs from 01:17 on Sat 10 Mar to 02:17 on Sun 11 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-03-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/pradosha-vrata?on=2029-03-12",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-03-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27121,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-03-12T03:42:53+05:30",
          "utc": "2029-03-11T22:12:53Z",
          "ms": 1867961572575.0667
        },
        "end": {
          "local": "2029-03-13T05:30:08+05:30",
          "utc": "2029-03-13T00:00:08Z",
          "ms": 1868054408158.3735
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-03-12T03:42:53+05:30",
          "utc": "2029-03-11T22:12:53Z",
          "ms": 1867961572575.0667
        },
        "end": {
          "local": "2029-03-13T05:30:08+05:30",
          "utc": "2029-03-13T00:00:08Z",
          "ms": 1868054408158.3735
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-03-11",
          "window": {
            "start": {
              "local": "2029-03-11T18:34:14+05:30",
              "utc": "2029-03-11T13:04:14Z",
              "ms": 1867928654400.036
            },
            "end": {
              "local": "2029-03-11T20:10:51+05:30",
              "utc": "2029-03-11T14:40:51Z",
              "ms": 1867934451422.62
            }
          },
          "covered_min": 0,
          "window_min": 97,
          "qualifies": false
        },
        {
          "local_date": "2029-03-12",
          "window": {
            "start": {
              "local": "2029-03-12T18:34:39+05:30",
              "utc": "2029-03-12T13:04:39Z",
              "ms": 1868015078953.5063
            },
            "end": {
              "local": "2029-03-12T20:11:05+05:30",
              "utc": "2029-03-12T14:41:05Z",
              "ms": 1868020865155.0283
            }
          },
          "covered_min": 96,
          "window_min": 96,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 03:43 on Mon 12 Mar to 05:30 on Tue 13 Mar.",
          "fact": "2029-03-11T22:12:53Z → 2029-03-13T00:00:08Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:34–20:11 on the 11th, 18:35–20:11 on the 12th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 97 minutes on the 11th and 96 of 96 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 27121 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2029: Monday 12 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": "2029-03-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-03-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2029 falls on Monday 12 March. Trayodaśī runs from 03:43 on Mon 12 Mar to 05:30 on Tue 13 Mar and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/pradosha-vrata?on=2029-03-12",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/shivaratri?on=2029-03-13",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-03-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16191,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2029-03-13T05:30:08+05:30",
          "utc": "2029-03-13T00:00:08Z",
          "ms": 1868054408158.3735
        },
        "end": {
          "local": "2029-03-14T07:33:33+05:30",
          "utc": "2029-03-14T02:03:33Z",
          "ms": 1868148213415.2646
        },
        "month": {
          "amanta": 11,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Phālguna",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-03-13T05:30:08+05:30",
          "utc": "2029-03-13T00:00:08Z",
          "ms": 1868054408158.3735
        },
        "end": {
          "local": "2029-03-14T07:33:33+05:30",
          "utc": "2029-03-14T02:03:33Z",
          "ms": 1868148213415.2646
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2029-03-12",
          "window": {
            "start": {
              "local": "2029-03-13T00:12:17+05:30",
              "utc": "2029-03-12T18:42:17Z",
              "ms": 1868035337209.2136
            },
            "end": {
              "local": "2029-03-13T01:00:17+05:30",
              "utc": "2029-03-12T19:30:17Z",
              "ms": 1868038217209.2136
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-03-13",
          "window": {
            "start": {
              "local": "2029-03-14T00:12:01+05:30",
              "utc": "2029-03-13T18:42:01Z",
              "ms": 1868121720916.706
            },
            "end": {
              "local": "2029-03-14T01:00:01+05:30",
              "utc": "2029-03-13T19:30:01Z",
              "ms": 1868124600916.706
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 05:30 on Tue 13 Mar to 07:34 on Wed 14 Mar.",
          "fact": "2029-03-13T00:00:08Z → 2029-03-14T02:03:33Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:12–01:00 on the 12th, 00:12–01:00 on the 13th.",
          "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 12th and 48 of 48 on the 13th.",
          "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 16191 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Ujjain, 2029: Tuesday 13 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-03-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-03-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2029 falls on Tuesday 13 March. Caturdaśī runs from 05:30 on Tue 13 Mar to 07:34 on Wed 14 Mar and covers all of niśītha that night.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/shivaratri?on=2029-03-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/vinayaka-chaturthi?on=2029-03-19",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-03-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15311,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-03-18T17:14:16+05:30",
          "utc": "2029-03-18T11:44:16Z",
          "ms": 1868528655920.1213
        },
        "end": {
          "local": "2029-03-19T19:38:36+05:30",
          "utc": "2029-03-19T14:08:36Z",
          "ms": 1868623715866.2202
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": true,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-03-18T17:14:16+05:30",
          "utc": "2029-03-18T11:44:16Z",
          "ms": 1868528655920.1213
        },
        "end": {
          "local": "2029-03-19T19:38:36+05:30",
          "utc": "2029-03-19T14:08:36Z",
          "ms": 1868623715866.2202
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-03-18",
          "window": {
            "start": {
              "local": "2029-03-18T12:11:05+05:30",
              "utc": "2029-03-18T06:41:05Z",
              "ms": 1868510465074.8901
            },
            "end": {
              "local": "2029-03-18T12:59:05+05:30",
              "utc": "2029-03-18T07:29:05Z",
              "ms": 1868513345074.8901
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-03-19",
          "window": {
            "start": {
              "local": "2029-03-19T12:10:48+05:30",
              "utc": "2029-03-19T06:40:48Z",
              "ms": 1868596847623.0781
            },
            "end": {
              "local": "2029-03-19T12:58:48+05:30",
              "utc": "2029-03-19T07:28:48Z",
              "ms": 1868599727623.0781
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 17:14 on Sun 18 Mar to 19:39 on Mon 19 Mar.",
          "fact": "2029-03-18T11:44:16Z → 2029-03-19T14:08:36Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:11–12:59 on the 18th, 12:11–12:59 on the 19th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 15311 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Ujjain, 2029: Monday 19 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": "2029-03-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-03-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Vināyaka Caturthī 2029 falls on Monday 19 March. Caturthī runs from 17:14 on Sun 18 Mar to 19:39 on Mon 19 Mar and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/vinayaka-chaturthi?on=2029-03-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/ekadashi?on=2029-03-26",
      "festival": "ekadashi",
      "name": "Śukla Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-03-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24486,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-03-25T23:37:15+05:30",
          "utc": "2029-03-25T18:07:15Z",
          "ms": 1869156435468.1626
        },
        "end": {
          "local": "2029-03-26T21:36:41+05:30",
          "utc": "2029-03-26T16:06:41Z",
          "ms": 1869235601103.136
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": true,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-03-25T23:37:15+05:30",
          "utc": "2029-03-25T18:07:15Z",
          "ms": 1869156435468.1626
        },
        "end": {
          "local": "2029-03-26T21:36:41+05:30",
          "utc": "2029-03-26T16:06:41Z",
          "ms": 1869235601103.136
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-03-26",
          "window": {
            "start": {
              "local": "2029-03-26T06:25:21+05:30",
              "utc": "2029-03-26T00:55:21Z",
              "ms": 1869180921258.988
            },
            "end": {
              "local": "2029-03-26T06:25:21+05:30",
              "utc": "2029-03-26T00:55:21Z",
              "ms": 1869180921258.988
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2029-03-27",
          "window": {
            "start": {
              "local": "2029-03-27T06:24:23+05:30",
              "utc": "2029-03-27T00:54:23Z",
              "ms": 1869267262701.5903
            },
            "end": {
              "local": "2029-03-27T06:24:23+05:30",
              "utc": "2029-03-27T00:54:23Z",
              "ms": 1869267262701.5903
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 23:37 on Sun 25 Mar to 21:37 on Mon 26 Mar.",
          "fact": "2029-03-25T18:07:15Z → 2029-03-26T16:06:41Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:25 on the 26th and 06:24 on the 27th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 26th and is not on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 24486 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Ekādaśī, Ujjain, 2029: Monday 26 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": "2029-03-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-03-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śukla Ekādaśī 2029 falls on Monday 26 March. Ekādaśī runs from 23:37 on Sun 25 Mar to 21:37 on Mon 26 Mar and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-03-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/pradosha-vrata?on=2029-03-27",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-03-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 768,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-03-27T18:53:13+05:30",
          "utc": "2029-03-27T13:23:13Z",
          "ms": 1869312193397.4556
        },
        "end": {
          "local": "2029-03-28T15:35:07+05:30",
          "utc": "2029-03-28T10:05:07Z",
          "ms": 1869386706753.2126
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": true,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-03-27T18:53:13+05:30",
          "utc": "2029-03-27T13:23:13Z",
          "ms": 1869312193397.4556
        },
        "end": {
          "local": "2029-03-28T15:35:07+05:30",
          "utc": "2029-03-28T10:05:07Z",
          "ms": 1869386706753.2126
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-03-27",
          "window": {
            "start": {
              "local": "2029-03-27T18:40:25+05:30",
              "utc": "2029-03-27T13:10:25Z",
              "ms": 1869311425215.1602
            },
            "end": {
              "local": "2029-03-27T20:14:09+05:30",
              "utc": "2029-03-27T14:44:09Z",
              "ms": 1869317049079.4897
            }
          },
          "covered_min": 81,
          "window_min": 94,
          "qualifies": true
        },
        {
          "local_date": "2029-03-28",
          "window": {
            "start": {
              "local": "2029-03-28T18:40:47+05:30",
              "utc": "2029-03-28T13:10:47Z",
              "ms": 1869397847383.4507
            },
            "end": {
              "local": "2029-03-28T20:14:21+05:30",
              "utc": "2029-03-28T14:44:21Z",
              "ms": 1869403460502.411
            }
          },
          "covered_min": 0,
          "window_min": 94,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 18:53 on Tue 27 Mar to 15:35 on Wed 28 Mar.",
          "fact": "2029-03-27T13:23:13Z → 2029-03-28T10:05:07Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:40–20:14 on the 27th, 18:41–20:14 on the 28th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 81 of 94 minutes on the 27th and 0 of 94 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 768 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Ujjain, 2029: Tuesday 27 March.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-03-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-03-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śukla Pradoṣa Vrata 2029 falls on Tuesday 27 March. Trayodaśī runs from 18:53 on Tue 27 Mar to 15:35 on Wed 28 Mar and covers 81 of 94 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/pradosha-vrata?on=2029-03-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/sankashta-chaturthi?on=2029-04-01",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-04-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2471,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-04-01T20:44:51+05:30",
          "utc": "2029-04-01T15:14:51Z",
          "ms": 1869750890729.8071
        },
        "end": {
          "local": "2029-04-02T17:49:54+05:30",
          "utc": "2029-04-02T12:19:54Z",
          "ms": 1869826794133.1643
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": true,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-04-01T20:44:51+05:30",
          "utc": "2029-04-01T15:14:51Z",
          "ms": 1869750890729.8071
        },
        "end": {
          "local": "2029-04-02T17:49:54+05:30",
          "utc": "2029-04-02T12:19:54Z",
          "ms": 1869826794133.1643
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2029-04-01",
          "window": {
            "start": {
              "local": "2029-04-01T21:26:02+05:30",
              "utc": "2029-04-01T15:56:02Z",
              "ms": 1869753361957.1533
            },
            "end": {
              "local": "2029-04-01T21:26:02+05:30",
              "utc": "2029-04-01T15:56:02Z",
              "ms": 1869753361957.1533
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2029-04-02",
          "window": {
            "start": {
              "local": "2029-04-02T22:32:27+05:30",
              "utc": "2029-04-02T17:02:27Z",
              "ms": 1869843747026.432
            },
            "end": {
              "local": "2029-04-02T22:32:27+05:30",
              "utc": "2029-04-02T17:02:27Z",
              "ms": 1869843747026.432
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 20:45 on Sun 1 Apr to 17:50 on Mon 2 Apr.",
          "fact": "2029-04-01T15:14:51Z → 2029-04-02T12:19:54Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:26 on the 1st and 22:32 on the 2nd.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 1st and is not on the 2nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 2471 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Ujjain, 2029: Sunday 1 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "sankashta-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "not_evaluated": "It is called Aṅgāraka Caturthī when it falls on a Tuesday; the weekday is not tested.",
        "kaala": "moonrise",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-04-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-04-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2029 falls on Sunday 1 April. Caturthī runs from 20:45 on Sun 1 Apr to 17:50 on Mon 2 Apr and is current at moonrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/sankashta-chaturthi?on=2029-04-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/ekadashi?on=2029-04-09",
      "festival": "ekadashi",
      "name": "Kṛṣṇa Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-04-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34407,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-04-08T15:46:19+05:30",
          "utc": "2029-04-08T10:16:19Z",
          "ms": 1870337779012.0552
        },
        "end": {
          "local": "2029-04-09T17:39:47+05:30",
          "utc": "2029-04-09T12:09:47Z",
          "ms": 1870430986600.1057
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": true,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-04-08T15:46:19+05:30",
          "utc": "2029-04-08T10:16:19Z",
          "ms": 1870337779012.0552
        },
        "end": {
          "local": "2029-04-09T17:39:47+05:30",
          "utc": "2029-04-09T12:09:47Z",
          "ms": 1870430986600.1057
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-04-08",
          "window": {
            "start": {
              "local": "2029-04-08T06:12:52+05:30",
              "utc": "2029-04-08T00:42:52Z",
              "ms": 1870303372473.4954
            },
            "end": {
              "local": "2029-04-08T06:12:52+05:30",
              "utc": "2029-04-08T00:42:52Z",
              "ms": 1870303372473.4954
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2029-04-09",
          "window": {
            "start": {
              "local": "2029-04-09T06:11:57+05:30",
              "utc": "2029-04-09T00:41:57Z",
              "ms": 1870389716841.7412
            },
            "end": {
              "local": "2029-04-09T06:11:57+05:30",
              "utc": "2029-04-09T00:41:57Z",
              "ms": 1870389716841.7412
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 15:46 on Sun 8 Apr to 17:40 on Mon 9 Apr.",
          "fact": "2029-04-08T10:16:19Z → 2029-04-09T12:09:47Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:13 on the 8th and 06:12 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 34407 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Ekādaśī, Ujjain, 2029: Monday 9 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-04-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-04-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Kṛṣṇa Ekādaśī 2029 falls on Monday 9 April. Ekādaśī runs from 15:46 on Sun 8 Apr to 17:40 on Mon 9 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-04-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/pradosha-vrata?on=2029-04-11",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-04-11",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1497,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-04-10T19:51:58+05:30",
          "utc": "2029-04-10T14:21:58Z",
          "ms": 1870525317859.5066
        },
        "end": {
          "local": "2029-04-11T22:15:04+05:30",
          "utc": "2029-04-11T16:45:04Z",
          "ms": 1870620303605.6672
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": true,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-04-10T19:51:58+05:30",
          "utc": "2029-04-10T14:21:58Z",
          "ms": 1870525317859.5066
        },
        "end": {
          "local": "2029-04-11T22:15:04+05:30",
          "utc": "2029-04-11T16:45:04Z",
          "ms": 1870620303605.6672
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-04-10",
          "window": {
            "start": {
              "local": "2029-04-10T18:45:39+05:30",
              "utc": "2029-04-10T13:15:39Z",
              "ms": 1870521339170.687
            },
            "end": {
              "local": "2029-04-10T20:16:55+05:30",
              "utc": "2029-04-10T14:46:55Z",
              "ms": 1870526814858.4868
            }
          },
          "covered_min": 25,
          "window_min": 91,
          "qualifies": true
        },
        {
          "local_date": "2029-04-11",
          "window": {
            "start": {
              "local": "2029-04-11T18:46:02+05:30",
              "utc": "2029-04-11T13:16:02Z",
              "ms": 1870607762348.5942
            },
            "end": {
              "local": "2029-04-11T20:17:08+05:30",
              "utc": "2029-04-11T14:47:08Z",
              "ms": 1870613227701.3018
            }
          },
          "covered_min": 91,
          "window_min": 91,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 19:52 on Tue 10 Apr to 22:15 on Wed 11 Apr.",
          "fact": "2029-04-10T14:21:58Z → 2029-04-11T16:45:04Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:46–20:17 on the 10th, 18:46–20:17 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 25 of 91 minutes on the 10th and 91 of 91 on the 11th.",
          "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 1497 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2029: Wednesday 11 April.",
          "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": "2029-04-11",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-04-11",
          "confidence": "boundary"
        }
      ],
      "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2029 falls on Wednesday 11 April. Trayodaśī runs from 19:52 on Tue 10 Apr to 22:15 on Wed 11 Apr and covers all of pradoṣa that evening. It also reaches the previous evening for 25 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/ujjain/festivals/2029/pradosha-vrata?on=2029-04-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/shivaratri?on=2029-04-11",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-04-11",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 516,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2029-04-11T22:15:04+05:30",
          "utc": "2029-04-11T16:45:04Z",
          "ms": 1870620303605.6672
        },
        "end": {
          "local": "2029-04-13T00:42:46+05:30",
          "utc": "2029-04-12T19:12:46Z",
          "ms": 1870715565796.6538
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": true,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-04-11T22:15:04+05:30",
          "utc": "2029-04-11T16:45:04Z",
          "ms": 1870620303605.6672
        },
        "end": {
          "local": "2029-04-13T00:42:46+05:30",
          "utc": "2029-04-12T19:12:46Z",
          "ms": 1870715565796.6538
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2029-04-11",
          "window": {
            "start": {
              "local": "2029-04-12T00:03:37+05:30",
              "utc": "2029-04-11T18:33:37Z",
              "ms": 1870626817421.247
            },
            "end": {
              "local": "2029-04-12T00:51:37+05:30",
              "utc": "2029-04-11T19:21:37Z",
              "ms": 1870629697421.247
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-04-12",
          "window": {
            "start": {
              "local": "2029-04-13T00:03:22+05:30",
              "utc": "2029-04-12T18:33:22Z",
              "ms": 1870713202154.3784
            },
            "end": {
              "local": "2029-04-13T00:51:22+05:30",
              "utc": "2029-04-12T19:21:22Z",
              "ms": 1870716082154.3784
            }
          },
          "covered_min": 39,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 22:15 on Wed 11 Apr to 00:43 on Fri 13 Apr.",
          "fact": "2029-04-11T16:45:04Z → 2029-04-12T19:12:46Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:04–00:52 on the 11th, 00:03–00:51 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 39 of 48 on the 12th.",
          "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 516 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Ujjain, 2029: Wednesday 11 April.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-04-11",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-04-11",
          "confidence": "boundary"
        }
      ],
      "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2029 falls on Wednesday 11 April. Caturdaśī runs from 22:15 on Wed 11 Apr to 00:43 on Fri 13 Apr and covers all of niśītha that night. It also reaches the next night for 39 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/ujjain/festivals/2029/shivaratri?on=2029-04-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/vaishakhi",
      "festival": "vaishakhi",
      "name": "Vaiśākhī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-04-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7995,
      "anga": {
        "type": "sankranti",
        "index": 0,
        "key": "mesha",
        "name": "Meṣa",
        "start": {
          "local": "2029-04-14T03:54:11+05:30",
          "utc": "2029-04-13T22:24:11Z",
          "ms": 1870813450593.577
        },
        "end": {
          "local": "2029-05-15T00:45:58+05:30",
          "utc": "2029-05-14T19:15:58Z",
          "ms": 1873480557776.8792
        }
      },
      "span": {
        "of": "transit",
        "start": {
          "local": "2029-04-14T03:54:11+05:30",
          "utc": "2029-04-13T22:24:11Z",
          "ms": 1870813450593.577
        },
        "end": {
          "local": "2029-04-14T03:54:11+05:30",
          "utc": "2029-04-13T22:24:11Z",
          "ms": 1870813450593.577
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "2029-04-13",
          "window": {
            "start": {
              "local": "2029-04-13T06:08:19+05:30",
              "utc": "2029-04-13T00:38:19Z",
              "ms": 1870735098635.5288
            },
            "end": {
              "local": "2029-04-14T06:07:25+05:30",
              "utc": "2029-04-14T00:37:25Z",
              "ms": 1870821445275.7627
            }
          },
          "covered_min": 1,
          "window_min": 1439,
          "qualifies": true
        },
        {
          "local_date": "2029-04-14",
          "window": {
            "start": {
              "local": "2029-04-14T06:07:25+05:30",
              "utc": "2029-04-14T00:37:25Z",
              "ms": 1870821445275.7627
            },
            "end": {
              "local": "2029-04-15T06:06:32+05:30",
              "utc": "2029-04-15T00:36:32Z",
              "ms": 1870907792435.9526
            }
          },
          "covered_min": 0,
          "window_min": 1439,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "The Sun enters Meṣa at 03:54 on Sat 14 Apr.",
          "fact": "2029-04-13T22:24:11Z · nirayana, lahiri-iae1985"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 06:08 on the 13th, and from 06:07 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 7995 s"
        },
        {
          "step": "ruling",
          "text": "Vaiśākhī, Ujjain, 2029: Friday 13 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "solar",
        "id": "vaishakhi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Mesadi — Cadaka puja (Bengal), Bahag Bihu (Assam), Cheiraoba (Manipur), Visu (T. C. State), Vaisakhi (on the samkramana day commencing from sunrise)."
          },
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 106",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The following festivals are observed according to the day of Sun's transit into rasis (Ravi-samkramana). For this purpose the day has been taken to begin from midnight, i.e., when the samkramana takes place after midnight, the festival relating to the samkramana is to be observed on the following day."
          }
        ],
        "not_evaluated": "The other names in the row (Cadaka puja, Bahag Bihu, Cheiraoba, Visu) are regional observances and wait with the regional rows.",
        "rashi": "Meṣa",
        "day_from": "sunrise"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-04-13",
          "confidence": "determinate"
        },
        {
          "kind": "reckoning",
          "id": "civil-day",
          "local_date": "2029-04-14",
          "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": "2029-04-14",
          "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 Ujjain, Vaiśākhī (Baisakhi) 2029 falls on Friday 13 April. The Sun enters Meṣa at 03:54 on Sat 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/ujjain/festivals/2029/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": "/ujjain/festivals/2029/navaratra-arambha-caitra",
      "festival": "navaratra-arambha-caitra",
      "name": "Navarātrārambha (Caitra)",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-04-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23389,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2029-04-14T03:10:11+05:30",
          "utc": "2029-04-13T21:40:11Z",
          "ms": 1870810811195.2522
        },
        "end": {
          "local": "2029-04-15T05:33:15+05:30",
          "utc": "2029-04-15T00:03:15Z",
          "ms": 1870905795347.9062
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-04-14T03:10:11+05:30",
          "utc": "2029-04-13T21:40:11Z",
          "ms": 1870810811195.2522
        },
        "end": {
          "local": "2029-04-15T05:33:15+05:30",
          "utc": "2029-04-15T00:03:15Z",
          "ms": 1870905795347.9062
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-04-14",
          "window": {
            "start": {
              "local": "2029-04-14T12:03:19+05:30",
              "utc": "2029-04-14T06:33:19Z",
              "ms": 1870842799028.8196
            },
            "end": {
              "local": "2029-04-14T12:51:19+05:30",
              "utc": "2029-04-14T07:21:19Z",
              "ms": 1870845679028.8196
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-04-15",
          "window": {
            "start": {
              "local": "2029-04-15T12:03:05+05:30",
              "utc": "2029-04-15T06:33:05Z",
              "ms": 1870929184504.8647
            },
            "end": {
              "local": "2029-04-15T12:51:05+05:30",
              "utc": "2029-04-15T07:21:05Z",
              "ms": 1870932064504.8647
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 03:10 on Sat 14 Apr to 05:33 on Sun 15 Apr.",
          "fact": "2029-04-13T21:40:11Z → 2029-04-15T00:03:15Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 14th, 12:03–12:51 on the 15th.",
          "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 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 23389 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha (Caitra), Ujjain, 2029: Saturday 14 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": "2029-04-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-04-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Navarātrārambha (Caitra) (Chaitra Navratri) 2029 falls on Saturday 14 April. Pratipadā runs from 03:10 on Sat 14 Apr to 05:33 on Sun 15 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/gauri-tritiya",
      "festival": "gauri-tritiya",
      "name": "Gaurī Tṛtīyā",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-04-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8000,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2029-04-16T07:47:53+05:30",
          "utc": "2029-04-16T02:17:53Z",
          "ms": 1871000273417.898
        },
        "end": {
          "local": "2029-04-17T09:49:16+05:30",
          "utc": "2029-04-17T04:19:16Z",
          "ms": 1871093956259.1848
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-04-16T07:47:53+05:30",
          "utc": "2029-04-16T02:17:53Z",
          "ms": 1871000273417.898
        },
        "end": {
          "local": "2029-04-17T09:49:16+05:30",
          "utc": "2029-04-17T04:19:16Z",
          "ms": 1871093956259.1848
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-04-16",
          "window": {
            "start": {
              "local": "2029-04-16T12:02:50+05:30",
              "utc": "2029-04-16T06:32:50Z",
              "ms": 1871015570332.7114
            },
            "end": {
              "local": "2029-04-16T12:50:50+05:30",
              "utc": "2029-04-16T07:20:50Z",
              "ms": 1871018450332.7114
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-04-17",
          "window": {
            "start": {
              "local": "2029-04-17T12:02:37+05:30",
              "utc": "2029-04-17T06:32:37Z",
              "ms": 1871101956523.9934
            },
            "end": {
              "local": "2029-04-17T12:50:37+05:30",
              "utc": "2029-04-17T07:20:37Z",
              "ms": 1871104836523.9934
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 07:48 on Mon 16 Apr to 09:49 on Tue 17 Apr.",
          "fact": "2029-04-16T02:17:53Z → 2029-04-17T04:19:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 16th, 12:03–12:51 on the 17th.",
          "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 16th and 0 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 8000 s"
        },
        {
          "step": "ruling",
          "text": "Gaurī Tṛtīyā, Ujjain, 2029: Monday 16 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": "2029-04-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-04-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Gaurī Tṛtīyā (Gangaur) 2029 falls on Monday 16 April. Tṛtīyā runs from 07:48 on Mon 16 Apr to 09:49 on Tue 17 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/saubhagya-shayana-vrata",
      "festival": "saubhagya-shayana-vrata",
      "name": "Saubhāgya Śayana Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-04-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8000,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2029-04-16T07:47:53+05:30",
          "utc": "2029-04-16T02:17:53Z",
          "ms": 1871000273417.898
        },
        "end": {
          "local": "2029-04-17T09:49:16+05:30",
          "utc": "2029-04-17T04:19:16Z",
          "ms": 1871093956259.1848
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-04-16T07:47:53+05:30",
          "utc": "2029-04-16T02:17:53Z",
          "ms": 1871000273417.898
        },
        "end": {
          "local": "2029-04-17T09:49:16+05:30",
          "utc": "2029-04-17T04:19:16Z",
          "ms": 1871093956259.1848
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-04-16",
          "window": {
            "start": {
              "local": "2029-04-16T12:02:50+05:30",
              "utc": "2029-04-16T06:32:50Z",
              "ms": 1871015570332.7114
            },
            "end": {
              "local": "2029-04-16T12:50:50+05:30",
              "utc": "2029-04-16T07:20:50Z",
              "ms": 1871018450332.7114
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-04-17",
          "window": {
            "start": {
              "local": "2029-04-17T12:02:37+05:30",
              "utc": "2029-04-17T06:32:37Z",
              "ms": 1871101956523.9934
            },
            "end": {
              "local": "2029-04-17T12:50:37+05:30",
              "utc": "2029-04-17T07:20:37Z",
              "ms": 1871104836523.9934
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 07:48 on Mon 16 Apr to 09:49 on Tue 17 Apr.",
          "fact": "2029-04-16T02:17:53Z → 2029-04-17T04:19:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 16th, 12:03–12:51 on the 17th.",
          "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 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 8000 s"
        },
        {
          "step": "ruling",
          "text": "Saubhāgya Śayana Vrata, Ujjain, 2029: Monday 16 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": "2029-04-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-04-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Saubhāgya Śayana Vrata 2029 falls on Monday 16 April. Tṛtīyā runs from 07:48 on Mon 16 Apr to 09:49 on Tue 17 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/vinayaka-chaturthi?on=2029-04-17",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-04-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1855,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-04-17T09:49:16+05:30",
          "utc": "2029-04-17T04:19:16Z",
          "ms": 1871093956259.1848
        },
        "end": {
          "local": "2029-04-18T11:31:28+05:30",
          "utc": "2029-04-18T06:01:28Z",
          "ms": 1871186488189.4763
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-04-17T09:49:16+05:30",
          "utc": "2029-04-17T04:19:16Z",
          "ms": 1871093956259.1848
        },
        "end": {
          "local": "2029-04-18T11:31:28+05:30",
          "utc": "2029-04-18T06:01:28Z",
          "ms": 1871186488189.4763
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-04-17",
          "window": {
            "start": {
              "local": "2029-04-17T12:02:37+05:30",
              "utc": "2029-04-17T06:32:37Z",
              "ms": 1871101956523.9934
            },
            "end": {
              "local": "2029-04-17T12:50:37+05:30",
              "utc": "2029-04-17T07:20:37Z",
              "ms": 1871104836523.9934
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-04-18",
          "window": {
            "start": {
              "local": "2029-04-18T12:02:23+05:30",
              "utc": "2029-04-18T06:32:23Z",
              "ms": 1871188343090.0208
            },
            "end": {
              "local": "2029-04-18T12:50:23+05:30",
              "utc": "2029-04-18T07:20:23Z",
              "ms": 1871191223090.0208
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 09:49 on Tue 17 Apr to 11:31 on Wed 18 Apr.",
          "fact": "2029-04-17T04:19:16Z → 2029-04-18T06:01:28Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 17th, 12:02–12:50 on the 18th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 1855 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Ujjain, 2029: Tuesday 17 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": "2029-04-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-04-17",
          "confidence": "boundary"
        }
      ],
      "quote": "In Ujjain, Vināyaka Caturthī 2029 falls on Tuesday 17 April. Caturthī runs from 09:49 on Tue 17 Apr to 11:31 on Wed 18 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/vinayaka-chaturthi?on=2029-04-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/lakshmi-panchami",
      "festival": "lakshmi-panchami",
      "name": "Lakṣmī Pañcamī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-04-18",
      "confidence": "boundary",
      "boundary_reasons": [
        "margin"
      ],
      "boundary_margin_s": 153,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2029-04-18T11:31:28+05:30",
          "utc": "2029-04-18T06:01:28Z",
          "ms": 1871186488189.4763
        },
        "end": {
          "local": "2029-04-19T12:47:37+05:30",
          "utc": "2029-04-19T07:17:37Z",
          "ms": 1871277457334.4934
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-04-18T11:31:28+05:30",
          "utc": "2029-04-18T06:01:28Z",
          "ms": 1871186488189.4763
        },
        "end": {
          "local": "2029-04-19T12:47:37+05:30",
          "utc": "2029-04-19T07:17:37Z",
          "ms": 1871277457334.4934
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-04-18",
          "window": {
            "start": {
              "local": "2029-04-18T12:02:23+05:30",
              "utc": "2029-04-18T06:32:23Z",
              "ms": 1871188343090.0208
            },
            "end": {
              "local": "2029-04-18T12:50:23+05:30",
              "utc": "2029-04-18T07:20:23Z",
              "ms": 1871191223090.0208
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-04-19",
          "window": {
            "start": {
              "local": "2029-04-19T12:02:10+05:30",
              "utc": "2029-04-19T06:32:10Z",
              "ms": 1871274730041.8613
            },
            "end": {
              "local": "2029-04-19T12:50:10+05:30",
              "utc": "2029-04-19T07:20:10Z",
              "ms": 1871277610041.8613
            }
          },
          "covered_min": 45,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "purvaviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 11:31 on Wed 18 Apr to 12:48 on Thu 19 Apr.",
          "fact": "2029-04-18T06:01:28Z → 2029-04-19T07:17:37Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 18th, 12:02–12:50 on the 19th.",
          "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 18th and 45 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Both middays qualify. Pūrvaviddhā: the first is taken.",
          "fact": "priority: purvaviddha → purvaviddha · margin 153 s < 300 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pañcamī, Ujjain, 2029: Wednesday 18 April.",
          "fact": "confidence: boundary (margin)"
        }
      ],
      "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": "2029-04-18",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-04-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Lakṣmī Pañcamī 2029 falls on Wednesday 18 April. Pañcamī runs from 11:31 on Wed 18 Apr to 12:48 on Thu 19 Apr and covers all of madhyāhna that midday. It also reaches the next midday for 45 minutes; by the rule the first midday is taken. It is 2 min 33 s from a threshold: treat the date as contested.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/bhavani-utpatti",
      "festival": "bhavani-utpatti",
      "name": "Bhavānī Utpatti",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-04-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 311,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2029-04-21T13:34:25+05:30",
          "utc": "2029-04-21T08:04:25Z",
          "ms": 1871453064729.029
        },
        "end": {
          "local": "2029-04-22T12:54:45+05:30",
          "utc": "2029-04-22T07:24:45Z",
          "ms": 1871537084642.633
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-04-21T13:34:25+05:30",
          "utc": "2029-04-21T08:04:25Z",
          "ms": 1871453064729.029
        },
        "end": {
          "local": "2029-04-22T12:54:45+05:30",
          "utc": "2029-04-22T07:24:45Z",
          "ms": 1871537084642.633
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-04-21",
          "window": {
            "start": {
              "local": "2029-04-21T12:01:45+05:30",
              "utc": "2029-04-21T06:31:45Z",
              "ms": 1871447505146.6543
            },
            "end": {
              "local": "2029-04-21T12:49:45+05:30",
              "utc": "2029-04-21T07:19:45Z",
              "ms": 1871450385146.6543
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-04-22",
          "window": {
            "start": {
              "local": "2029-04-22T12:01:33+05:30",
              "utc": "2029-04-22T06:31:33Z",
              "ms": 1871533893321.5317
            },
            "end": {
              "local": "2029-04-22T12:49:33+05:30",
              "utc": "2029-04-22T07:19:33Z",
              "ms": 1871536773321.5317
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 13:34 on Sat 21 Apr to 12:55 on Sun 22 Apr.",
          "fact": "2029-04-21T08:04:25Z → 2029-04-22T07:24:45Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 21st, 12:02–12:50 on the 22nd.",
          "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 21st and 48 of 48 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 311 s"
        },
        {
          "step": "ruling",
          "text": "Bhavānī Utpatti, Ujjain, 2029: Sunday 22 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": "2029-04-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-04-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Bhavānī Utpatti 2029 falls on Sunday 22 April. Aṣṭamī runs from 13:34 on Sat 21 Apr to 12:55 on Sun 22 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/rama-navami",
      "festival": "rama-navami",
      "name": "Rāma Navamī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-04-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 311,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2029-04-22T12:54:45+05:30",
          "utc": "2029-04-22T07:24:45Z",
          "ms": 1871537084642.633
        },
        "end": {
          "local": "2029-04-23T11:30:22+05:30",
          "utc": "2029-04-23T06:00:22Z",
          "ms": 1871618422074.689
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-04-22T12:54:45+05:30",
          "utc": "2029-04-22T07:24:45Z",
          "ms": 1871537084642.633
        },
        "end": {
          "local": "2029-04-23T11:30:22+05:30",
          "utc": "2029-04-23T06:00:22Z",
          "ms": 1871618422074.689
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-04-22",
          "window": {
            "start": {
              "local": "2029-04-22T12:01:33+05:30",
              "utc": "2029-04-22T06:31:33Z",
              "ms": 1871533893321.5317
            },
            "end": {
              "local": "2029-04-22T12:49:33+05:30",
              "utc": "2029-04-22T07:19:33Z",
              "ms": 1871536773321.5317
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-04-23",
          "window": {
            "start": {
              "local": "2029-04-23T12:01:22+05:30",
              "utc": "2029-04-23T06:31:22Z",
              "ms": 1871620281926.4167
            },
            "end": {
              "local": "2029-04-23T12:49:22+05:30",
              "utc": "2029-04-23T07:19:22Z",
              "ms": 1871623161926.4167
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 12:55 on Sun 22 Apr to 11:30 on Mon 23 Apr.",
          "fact": "2029-04-22T07:24:45Z → 2029-04-23T06:00:22Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:02–12:50 on the 22nd, 12:01–12:49 on the 23rd.",
          "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 22nd and 0 of 48 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: unstated → second-day · margin 311 s"
        },
        {
          "step": "ruling",
          "text": "Rāma Navamī, Ujjain, 2029: Monday 23 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": "2029-04-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-04-22",
          "confidence": "boundary"
        }
      ],
      "quote": "In Ujjain, Rāma Navamī 2029 falls on Monday 23 April. Navamī runs from 12:55 on Sun 22 Apr to 11:30 on Mon 23 Apr, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/ekadashi?on=2029-04-25",
      "festival": "ekadashi",
      "name": "Kāmadā Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-04-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2379,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-04-24T09:23:09+05:30",
          "utc": "2029-04-24T03:53:09Z",
          "ms": 1871697189154.069
        },
        "end": {
          "local": "2029-04-25T06:37:56+05:30",
          "utc": "2029-04-25T01:07:56Z",
          "ms": 1871773676323.5195
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-04-24T09:23:09+05:30",
          "utc": "2029-04-24T03:53:09Z",
          "ms": 1871697189154.069
        },
        "end": {
          "local": "2029-04-25T06:37:56+05:30",
          "utc": "2029-04-25T01:07:56Z",
          "ms": 1871773676323.5195
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-04-24",
          "window": {
            "start": {
              "local": "2029-04-24T05:59:04+05:30",
              "utc": "2029-04-24T00:29:04Z",
              "ms": 1871684943714.931
            },
            "end": {
              "local": "2029-04-24T05:59:04+05:30",
              "utc": "2029-04-24T00:29:04Z",
              "ms": 1871684943714.931
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2029-04-25",
          "window": {
            "start": {
              "local": "2029-04-25T05:58:17+05:30",
              "utc": "2029-04-25T00:28:17Z",
              "ms": 1871771297224.15
            },
            "end": {
              "local": "2029-04-25T05:58:17+05:30",
              "utc": "2029-04-25T00:28:17Z",
              "ms": 1871771297224.15
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 09:23 on Tue 24 Apr to 06:38 on Wed 25 Apr.",
          "fact": "2029-04-24T03:53:09Z → 2029-04-25T01:07:56Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:59 on the 24th and 05:58 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 2379 s"
        },
        {
          "step": "ruling",
          "text": "Kāmadā Ekādaśī, Ujjain, 2029: Wednesday 25 April.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-04-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-04-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Kāmadā Ekādaśī 2029 falls on Wednesday 25 April. Ekādaśī runs from 09:23 on Tue 24 Apr to 06:38 on Wed 25 Apr and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-04-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/ananga-trayodashi",
      "festival": "ananga-trayodashi",
      "name": "Anaṅga Trayodaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-04-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31129,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-04-26T03:22:02+05:30",
          "utc": "2029-04-25T21:52:02Z",
          "ms": 1871848321749.8933
        },
        "end": {
          "local": "2029-04-26T23:44:33+05:30",
          "utc": "2029-04-26T18:14:33Z",
          "ms": 1871921672981.4353
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-04-26T03:22:02+05:30",
          "utc": "2029-04-25T21:52:02Z",
          "ms": 1871848321749.8933
        },
        "end": {
          "local": "2029-04-26T23:44:33+05:30",
          "utc": "2029-04-26T18:14:33Z",
          "ms": 1871921672981.4353
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-04-26",
          "window": {
            "start": {
              "local": "2029-04-26T12:00:50+05:30",
              "utc": "2029-04-26T06:30:50Z",
              "ms": 1871879450443.5854
            },
            "end": {
              "local": "2029-04-26T12:48:50+05:30",
              "utc": "2029-04-26T07:18:50Z",
              "ms": 1871882330443.5854
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-04-27",
          "window": {
            "start": {
              "local": "2029-04-27T12:00:41+05:30",
              "utc": "2029-04-27T06:30:41Z",
              "ms": 1871965840894.6392
            },
            "end": {
              "local": "2029-04-27T12:48:41+05:30",
              "utc": "2029-04-27T07:18:41Z",
              "ms": 1871968720894.6392
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 03:22 on Thu 26 Apr to 23:45 on Thu 26 Apr.",
          "fact": "2029-04-25T21:52:02Z → 2029-04-26T18:14:33Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 26th, 12:01–12:49 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 31129 s"
        },
        {
          "step": "ruling",
          "text": "Anaṅga Trayodaśī, Ujjain, 2029: Thursday 26 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": "2029-04-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-04-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Anaṅga Trayodaśī 2029 falls on Thursday 26 April. Trayodaśī runs from 03:22 on Thu 26 Apr to 23:45 on Thu 26 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/pradosha-vrata?on=2029-04-26",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-04-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12227,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-04-26T03:22:02+05:30",
          "utc": "2029-04-25T21:52:02Z",
          "ms": 1871848321749.8933
        },
        "end": {
          "local": "2029-04-26T23:44:33+05:30",
          "utc": "2029-04-26T18:14:33Z",
          "ms": 1871921672981.4353
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-04-26T03:22:02+05:30",
          "utc": "2029-04-25T21:52:02Z",
          "ms": 1871848321749.8933
        },
        "end": {
          "local": "2029-04-26T23:44:33+05:30",
          "utc": "2029-04-26T18:14:33Z",
          "ms": 1871921672981.4353
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-04-25",
          "window": {
            "start": {
              "local": "2029-04-25T18:51:44+05:30",
              "utc": "2029-04-25T13:21:44Z",
              "ms": 1871817703724.7532
            },
            "end": {
              "local": "2029-04-25T20:20:30+05:30",
              "utc": "2029-04-25T14:50:30Z",
              "ms": 1871823030093.1135
            }
          },
          "covered_min": 0,
          "window_min": 89,
          "qualifies": false
        },
        {
          "local_date": "2029-04-26",
          "window": {
            "start": {
              "local": "2029-04-26T18:52:09+05:30",
              "utc": "2029-04-26T13:22:09Z",
              "ms": 1871904129399.7153
            },
            "end": {
              "local": "2029-04-26T20:20:46+05:30",
              "utc": "2029-04-26T14:50:46Z",
              "ms": 1871909446350.2212
            }
          },
          "covered_min": 89,
          "window_min": 89,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 03:22 on Thu 26 Apr to 23:45 on Thu 26 Apr.",
          "fact": "2029-04-25T21:52:02Z → 2029-04-26T18:14:33Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:52–20:21 on the 25th, 18:52–20:21 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 89 minutes on the 25th and 89 of 89 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 12227 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Ujjain, 2029: Thursday 26 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": "2029-04-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-04-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śukla Pradoṣa Vrata 2029 falls on Thursday 26 April. Trayodaśī runs from 03:22 on Thu 26 Apr to 23:45 on Thu 26 Apr and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/pradosha-vrata?on=2029-04-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/vishnu-damanaka-chaturdashi",
      "festival": "vishnu-damanaka-chaturdashi",
      "name": "Viṣṇudamanaka Caturdaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-04-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25628,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2029-04-26T23:44:33+05:30",
          "utc": "2029-04-26T18:14:33Z",
          "ms": 1871921672981.4353
        },
        "end": {
          "local": "2029-04-27T19:55:49+05:30",
          "utc": "2029-04-27T14:25:49Z",
          "ms": 1871994349372.1182
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-04-26T23:44:33+05:30",
          "utc": "2029-04-26T18:14:33Z",
          "ms": 1871921672981.4353
        },
        "end": {
          "local": "2029-04-27T19:55:49+05:30",
          "utc": "2029-04-27T14:25:49Z",
          "ms": 1871994349372.1182
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-04-26",
          "window": {
            "start": {
              "local": "2029-04-26T12:00:50+05:30",
              "utc": "2029-04-26T06:30:50Z",
              "ms": 1871879450443.5854
            },
            "end": {
              "local": "2029-04-26T12:48:50+05:30",
              "utc": "2029-04-26T07:18:50Z",
              "ms": 1871882330443.5854
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-04-27",
          "window": {
            "start": {
              "local": "2029-04-27T12:00:41+05:30",
              "utc": "2029-04-27T06:30:41Z",
              "ms": 1871965840894.6392
            },
            "end": {
              "local": "2029-04-27T12:48:41+05:30",
              "utc": "2029-04-27T07:18:41Z",
              "ms": 1871968720894.6392
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 23:45 on Thu 26 Apr to 19:56 on Fri 27 Apr.",
          "fact": "2029-04-26T18:14:33Z → 2029-04-27T14:25:49Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 26th, 12:01–12:49 on the 27th.",
          "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 26th and 48 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 25628 s"
        },
        {
          "step": "ruling",
          "text": "Viṣṇudamanaka Caturdaśī, Ujjain, 2029: Friday 27 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": "2029-04-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-04-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Viṣṇudamanaka Caturdaśī 2029 falls on Friday 27 April. Caturdaśī runs from 23:45 on Thu 26 Apr to 19:56 on Fri 27 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/chaitri-purnima",
      "festival": "chaitri-purnima",
      "name": "Caitrī Pūrṇimā",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-04-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 11897,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2029-04-27T19:55:49+05:30",
          "utc": "2029-04-27T14:25:49Z",
          "ms": 1871994349372.1182
        },
        "end": {
          "local": "2029-04-28T16:06:49+05:30",
          "utc": "2029-04-28T10:36:49Z",
          "ms": 1872067008832.4875
        },
        "month": {
          "amanta": 0,
          "purnimanta": 0,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Caitra"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-04-27T19:55:49+05:30",
          "utc": "2029-04-27T14:25:49Z",
          "ms": 1871994349372.1182
        },
        "end": {
          "local": "2029-04-28T16:06:49+05:30",
          "utc": "2029-04-28T10:36:49Z",
          "ms": 1872067008832.4875
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-04-27",
          "window": {
            "start": {
              "local": "2029-04-27T12:00:41+05:30",
              "utc": "2029-04-27T06:30:41Z",
              "ms": 1871965840894.6392
            },
            "end": {
              "local": "2029-04-27T12:48:41+05:30",
              "utc": "2029-04-27T07:18:41Z",
              "ms": 1871968720894.6392
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-04-28",
          "window": {
            "start": {
              "local": "2029-04-28T12:00:32+05:30",
              "utc": "2029-04-28T06:30:32Z",
              "ms": 1872052231841.9927
            },
            "end": {
              "local": "2029-04-28T12:48:32+05:30",
              "utc": "2029-04-28T07:18:32Z",
              "ms": 1872055111841.9927
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 19:56 on Fri 27 Apr to 16:07 on Sat 28 Apr.",
          "fact": "2029-04-27T14:25:49Z → 2029-04-28T10:36:49Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 27th, 12:01–12:49 on the 28th.",
          "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 27th and 48 of 48 on the 28th.",
          "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 11897 s"
        },
        {
          "step": "ruling",
          "text": "Caitrī Pūrṇimā, Ujjain, 2029: Saturday 28 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": "2029-04-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-04-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Caitrī Pūrṇimā 2029 falls on Saturday 28 April. Pūrṇimā runs from 19:56 on Fri 27 Apr to 16:07 on Sat 28 Apr and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/sankashta-chaturthi?on=2029-05-01",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-05-01",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21844,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-05-01T06:27:03+05:30",
          "utc": "2029-05-01T00:57:03Z",
          "ms": 1872291422571.1475
        },
        "end": {
          "local": "2029-05-02T04:21:56+05:30",
          "utc": "2029-05-01T22:51:56Z",
          "ms": 1872370315815.5596
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-05-01T06:27:03+05:30",
          "utc": "2029-05-01T00:57:03Z",
          "ms": 1872291422571.1475
        },
        "end": {
          "local": "2029-05-02T04:21:56+05:30",
          "utc": "2029-05-01T22:51:56Z",
          "ms": 1872370315815.5596
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2029-04-30",
          "window": {
            "start": {
              "local": "2029-04-30T21:16:36+05:30",
              "utc": "2029-04-30T15:46:36Z",
              "ms": 1872258395658.6846
            },
            "end": {
              "local": "2029-04-30T21:16:36+05:30",
              "utc": "2029-04-30T15:46:36Z",
              "ms": 1872258395658.6846
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2029-05-01",
          "window": {
            "start": {
              "local": "2029-05-01T22:17:52+05:30",
              "utc": "2029-05-01T16:47:52Z",
              "ms": 1872348472093.975
            },
            "end": {
              "local": "2029-05-01T22:17:52+05:30",
              "utc": "2029-05-01T16:47:52Z",
              "ms": 1872348472093.975
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 06:27 on Tue 1 May to 04:22 on Wed 2 May.",
          "fact": "2029-05-01T00:57:03Z → 2029-05-01T22:51:56Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:17 on the 30th and 22:18 on the 1st.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 30th and is on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 21844 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Ujjain, 2029: Tuesday 1 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": "2029-05-01",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-05-01",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2029 falls on Tuesday 1 May. Caturthī runs from 06:27 on Tue 1 May to 04:22 on Wed 2 May and is current at moonrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/sankashta-chaturthi?on=2029-05-01",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/ekadashi?on=2029-05-09",
      "festival": "ekadashi",
      "name": "Varūthinī Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-05-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6663,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-05-08T07:40:33+05:30",
          "utc": "2029-05-08T02:10:33Z",
          "ms": 1872900633363.2805
        },
        "end": {
          "local": "2029-05-09T10:02:31+05:30",
          "utc": "2029-05-09T04:32:31Z",
          "ms": 1872995551050.393
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-05-08T07:40:33+05:30",
          "utc": "2029-05-08T02:10:33Z",
          "ms": 1872900633363.2805
        },
        "end": {
          "local": "2029-05-09T10:02:31+05:30",
          "utc": "2029-05-09T04:32:31Z",
          "ms": 1872995551050.393
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-05-08",
          "window": {
            "start": {
              "local": "2029-05-08T05:49:30+05:30",
              "utc": "2029-05-08T00:19:30Z",
              "ms": 1872893969999.8533
            },
            "end": {
              "local": "2029-05-08T05:49:30+05:30",
              "utc": "2029-05-08T00:19:30Z",
              "ms": 1872893969999.8533
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2029-05-09",
          "window": {
            "start": {
              "local": "2029-05-09T05:48:56+05:30",
              "utc": "2029-05-09T00:18:56Z",
              "ms": 1872980336121.4768
            },
            "end": {
              "local": "2029-05-09T05:48:56+05:30",
              "utc": "2029-05-09T00:18:56Z",
              "ms": 1872980336121.4768
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 07:41 on Tue 8 May to 10:03 on Wed 9 May.",
          "fact": "2029-05-08T02:10:33Z → 2029-05-09T04:32:31Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:49 on the 8th and 05:49 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 6663 s"
        },
        {
          "step": "ruling",
          "text": "Varūthinī Ekādaśī, Ujjain, 2029: Wednesday 9 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-05-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-05-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Varūthinī Ekādaśī 2029 falls on Wednesday 9 May. Ekādaśī runs from 07:41 on Tue 8 May to 10:03 on Wed 9 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-05-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/pradosha-vrata?on=2029-05-10",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-05-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14640,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-05-10T12:30:08+05:30",
          "utc": "2029-05-10T07:00:08Z",
          "ms": 1873090808009.1348
        },
        "end": {
          "local": "2029-05-11T14:54:57+05:30",
          "utc": "2029-05-11T09:24:57Z",
          "ms": 1873185896715.2185
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-05-10T12:30:08+05:30",
          "utc": "2029-05-10T07:00:08Z",
          "ms": 1873090808009.1348
        },
        "end": {
          "local": "2029-05-11T14:54:57+05:30",
          "utc": "2029-05-11T09:24:57Z",
          "ms": 1873185896715.2185
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-05-10",
          "window": {
            "start": {
              "local": "2029-05-10T18:58:29+05:30",
              "utc": "2029-05-10T13:28:29Z",
              "ms": 1873114108512.929
            },
            "end": {
              "local": "2029-05-10T20:25:04+05:30",
              "utc": "2029-05-10T14:55:04Z",
              "ms": 1873119303576.8584
            }
          },
          "covered_min": 87,
          "window_min": 87,
          "qualifies": true
        },
        {
          "local_date": "2029-05-11",
          "window": {
            "start": {
              "local": "2029-05-11T18:58:57+05:30",
              "utc": "2029-05-11T13:28:57Z",
              "ms": 1873200536769.7778
            },
            "end": {
              "local": "2029-05-11T20:25:24+05:30",
              "utc": "2029-05-11T14:55:24Z",
              "ms": 1873205723969.1724
            }
          },
          "covered_min": 0,
          "window_min": 86,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 12:30 on Thu 10 May to 14:55 on Fri 11 May.",
          "fact": "2029-05-10T07:00:08Z → 2029-05-11T09:24:57Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:58–20:25 on the 10th, 18:59–20:25 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 87 of 87 minutes on the 10th and 0 of 86 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 14640 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2029: Thursday 10 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-05-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-05-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2029 falls on Thursday 10 May. Trayodaśī runs from 12:30 on Thu 10 May to 14:55 on Fri 11 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/pradosha-vrata?on=2029-05-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/shivaratri?on=2029-05-11",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-05-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24518,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2029-05-11T14:54:57+05:30",
          "utc": "2029-05-11T09:24:57Z",
          "ms": 1873185896715.2185
        },
        "end": {
          "local": "2029-05-12T17:10:31+05:30",
          "utc": "2029-05-12T11:40:31Z",
          "ms": 1873280430551.44
        },
        "month": {
          "amanta": 0,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Caitra",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-05-11T14:54:57+05:30",
          "utc": "2029-05-11T09:24:57Z",
          "ms": 1873185896715.2185
        },
        "end": {
          "local": "2029-05-12T17:10:31+05:30",
          "utc": "2029-05-12T11:40:31Z",
          "ms": 1873280430551.44
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2029-05-11",
          "window": {
            "start": {
              "local": "2029-05-11T23:59:09+05:30",
              "utc": "2029-05-11T18:29:09Z",
              "ms": 1873218548767.5073
            },
            "end": {
              "local": "2029-05-12T00:47:09+05:30",
              "utc": "2029-05-11T19:17:09Z",
              "ms": 1873221428767.5073
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-05-12",
          "window": {
            "start": {
              "local": "2029-05-12T23:59:08+05:30",
              "utc": "2029-05-12T18:29:08Z",
              "ms": 1873304948114.1226
            },
            "end": {
              "local": "2029-05-13T00:47:08+05:30",
              "utc": "2029-05-12T19:17:08Z",
              "ms": 1873307828114.1226
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 14:55 on Fri 11 May to 17:11 on Sat 12 May.",
          "fact": "2029-05-11T09:24:57Z → 2029-05-12T11:40:31Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:59–00:47 on the 11th, 23:59–00:47 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 24518 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Ujjain, 2029: Friday 11 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-05-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-05-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2029 falls on Friday 11 May. Caturdaśī runs from 14:55 on Fri 11 May to 17:11 on Sat 12 May and covers all of niśītha that night.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/shivaratri?on=2029-05-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/akshaya-tritiya",
      "festival": "akshaya-tritiya",
      "name": "Akṣaya Tṛtīyā",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-05-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23051,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2029-05-15T22:20:18+05:30",
          "utc": "2029-05-15T16:50:18Z",
          "ms": 1873558217809.1724
        },
        "end": {
          "local": "2029-05-16T23:20:52+05:30",
          "utc": "2029-05-16T17:50:52Z",
          "ms": 1873648251920.008
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-05-15T22:20:18+05:30",
          "utc": "2029-05-15T16:50:18Z",
          "ms": 1873558217809.1724
        },
        "end": {
          "local": "2029-05-16T23:20:52+05:30",
          "utc": "2029-05-16T17:50:52Z",
          "ms": 1873648251920.008
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2029-05-16",
          "window": {
            "start": {
              "local": "2029-05-16T05:45:29+05:30",
              "utc": "2029-05-16T00:15:29Z",
              "ms": 1873584928664.311
            },
            "end": {
              "local": "2029-05-16T10:10:45+05:30",
              "utc": "2029-05-16T04:40:45Z",
              "ms": 1873600845459.5417
            }
          },
          "covered_min": 265,
          "window_min": 265,
          "qualifies": true
        },
        {
          "local_date": "2029-05-17",
          "window": {
            "start": {
              "local": "2029-05-17T05:45:03+05:30",
              "utc": "2029-05-17T00:15:03Z",
              "ms": 1873671303379.5764
            },
            "end": {
              "local": "2029-05-17T10:10:38+05:30",
              "utc": "2029-05-17T04:40:38Z",
              "ms": 1873687238108.0386
            }
          },
          "covered_min": 0,
          "window_min": 266,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 22:20 on Tue 15 May to 23:21 on Wed 16 May.",
          "fact": "2029-05-15T16:50:18Z → 2029-05-16T17:50:52Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 05:45–10:11 on the 16th, 05:45–10:11 on the 17th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pūrvāhṇa. It covers 265 of 265 minutes on the 16th and 0 of 266 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one forenoon qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 23051 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Tṛtīyā, Ujjain, 2029: Wednesday 16 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "akshaya-tritiya",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 3 Aksaya trtiya (purvahna vyapini, paraviddha) (Special when combined with Rohini naksatra and Wednesday), Candanayatra, Parasurama jayanti (pradosavyapini — if occurs on two successive days, the second day is to be observed)."
          }
        ],
        "not_evaluated": "The row calls the day special with Rohiṇī nakṣatra and a Wednesday; neither is tested.",
        "kaala": "purvahna",
        "priority": "paraviddha",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-05-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-05-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Akṣaya Tṛtīyā (Akha Teej) 2029 falls on Wednesday 16 May. Tṛtīyā runs from 22:20 on Tue 15 May to 23:21 on Wed 16 May and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/parashurama-jayanti",
      "festival": "parashurama-jayanti",
      "name": "Paraśurāma Jayantī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-05-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6810,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2029-05-15T22:20:18+05:30",
          "utc": "2029-05-15T16:50:18Z",
          "ms": 1873558217809.1724
        },
        "end": {
          "local": "2029-05-16T23:20:52+05:30",
          "utc": "2029-05-16T17:50:52Z",
          "ms": 1873648251920.008
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-05-15T22:20:18+05:30",
          "utc": "2029-05-15T16:50:18Z",
          "ms": 1873558217809.1724
        },
        "end": {
          "local": "2029-05-16T23:20:52+05:30",
          "utc": "2029-05-16T17:50:52Z",
          "ms": 1873648251920.008
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-05-15",
          "window": {
            "start": {
              "local": "2029-05-15T19:00:51+05:30",
              "utc": "2029-05-15T13:30:51Z",
              "ms": 1873546250526.358
            },
            "end": {
              "local": "2029-05-15T20:26:48+05:30",
              "utc": "2029-05-15T14:56:48Z",
              "ms": 1873551407611.4182
            }
          },
          "covered_min": 0,
          "window_min": 86,
          "qualifies": false
        },
        {
          "local_date": "2029-05-16",
          "window": {
            "start": {
              "local": "2029-05-16T19:01:19+05:30",
              "utc": "2029-05-16T13:31:19Z",
              "ms": 1873632679050.0034
            },
            "end": {
              "local": "2029-05-16T20:27:09+05:30",
              "utc": "2029-05-16T14:57:09Z",
              "ms": 1873637828960.613
            }
          },
          "covered_min": 86,
          "window_min": 86,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 22:20 on Tue 15 May to 23:21 on Wed 16 May.",
          "fact": "2029-05-15T16:50:18Z → 2029-05-16T17:50:52Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:01–20:27 on the 15th, 19:01–20:27 on the 16th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during pradoṣa. It covers 0 of 86 minutes on the 15th and 86 of 86 on the 16th.",
          "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 6810 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Jayantī, Ujjain, 2029: Wednesday 16 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": "2029-05-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-05-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Paraśurāma Jayantī 2029 falls on Wednesday 16 May. Tṛtīyā runs from 22:20 on Tue 15 May to 23:21 on Wed 16 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/vinayaka-chaturthi?on=2029-05-17",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-05-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 38008,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-05-16T23:20:52+05:30",
          "utc": "2029-05-16T17:50:52Z",
          "ms": 1873648251920.008
        },
        "end": {
          "local": "2029-05-17T23:54:59+05:30",
          "utc": "2029-05-17T18:24:59Z",
          "ms": 1873736698695.8687
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-05-16T23:20:52+05:30",
          "utc": "2029-05-16T17:50:52Z",
          "ms": 1873648251920.008
        },
        "end": {
          "local": "2029-05-17T23:54:59+05:30",
          "utc": "2029-05-17T18:24:59Z",
          "ms": 1873736698695.8687
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-05-16",
          "window": {
            "start": {
              "local": "2029-05-16T11:59:24+05:30",
              "utc": "2029-05-16T06:29:24Z",
              "ms": 1873607363857.1572
            },
            "end": {
              "local": "2029-05-16T12:47:24+05:30",
              "utc": "2029-05-16T07:17:24Z",
              "ms": 1873610243857.1572
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-05-17",
          "window": {
            "start": {
              "local": "2029-05-17T11:59:25+05:30",
              "utc": "2029-05-17T06:29:25Z",
              "ms": 1873693765472.2695
            },
            "end": {
              "local": "2029-05-17T12:47:25+05:30",
              "utc": "2029-05-17T07:17:25Z",
              "ms": 1873696645472.2695
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:21 on Wed 16 May to 23:55 on Thu 17 May.",
          "fact": "2029-05-16T17:50:52Z → 2029-05-17T18:24:59Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 16th, 11:59–12:47 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 38008 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Ujjain, 2029: Thursday 17 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "vinayaka-chaturthi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The sukla caturthi in each month is called Ganesa caturthi or Vinayaka caturthi. It is observed at madhyahna. The chief among them are caturthis of Bhadrapada and Magha. Similarly the krsna caturthi in each month is called Sankasta caturthi, to be observed on the day when the tithi is current at moonrise. It is called Angaraka caturthi if it falls on Tuesday."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-05-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-05-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Vināyaka Caturthī 2029 falls on Thursday 17 May. Caturthī runs from 23:21 on Wed 16 May to 23:55 on Thu 17 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/vinayaka-chaturthi?on=2029-05-17",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/shankara-jayanti",
      "festival": "shankara-jayanti",
      "name": "Śaṅkara Jayantī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-05-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 40053,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2029-05-17T23:54:59+05:30",
          "utc": "2029-05-17T18:24:59Z",
          "ms": 1873736698695.8687
        },
        "end": {
          "local": "2029-05-18T23:59:29+05:30",
          "utc": "2029-05-18T18:29:29Z",
          "ms": 1873823369033.0432
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-05-17T23:54:59+05:30",
          "utc": "2029-05-17T18:24:59Z",
          "ms": 1873736698695.8687
        },
        "end": {
          "local": "2029-05-18T23:59:29+05:30",
          "utc": "2029-05-18T18:29:29Z",
          "ms": 1873823369033.0432
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-05-17",
          "window": {
            "start": {
              "local": "2029-05-17T11:59:25+05:30",
              "utc": "2029-05-17T06:29:25Z",
              "ms": 1873693765472.2695
            },
            "end": {
              "local": "2029-05-17T12:47:25+05:30",
              "utc": "2029-05-17T07:17:25Z",
              "ms": 1873696645472.2695
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-05-18",
          "window": {
            "start": {
              "local": "2029-05-18T11:59:28+05:30",
              "utc": "2029-05-18T06:29:28Z",
              "ms": 1873780167626.2153
            },
            "end": {
              "local": "2029-05-18T12:47:28+05:30",
              "utc": "2029-05-18T07:17:28Z",
              "ms": 1873783047626.2153
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 23:55 on Thu 17 May to 23:59 on Fri 18 May.",
          "fact": "2029-05-17T18:24:59Z → 2029-05-18T18:29:29Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 17th, 11:59–12:47 on the 18th.",
          "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 17th and 48 of 48 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 40053 s"
        },
        {
          "step": "ruling",
          "text": "Śaṅkara Jayantī, Ujjain, 2029: Friday 18 May.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shankara-jayanti",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Sankara jayanti."
          }
        ],
        "kaala": "madhyahna",
        "priority": "unstated",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-05-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-05-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śaṅkara Jayantī (Shankaracharya Jayanti) 2029 falls on Friday 18 May. Pañcamī runs from 23:55 on Thu 17 May to 23:59 on Fri 18 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/gangotpatti",
      "festival": "gangotpatti",
      "name": "Gaṅgotpatti",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-05-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34940,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2029-05-19T23:31:41+05:30",
          "utc": "2029-05-19T18:01:41Z",
          "ms": 1873908100560.3596
        },
        "end": {
          "local": "2029-05-20T22:29:54+05:30",
          "utc": "2029-05-20T16:59:54Z",
          "ms": 1873990793540.085
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-05-19T23:31:41+05:30",
          "utc": "2029-05-19T18:01:41Z",
          "ms": 1873908100560.3596
        },
        "end": {
          "local": "2029-05-20T22:29:54+05:30",
          "utc": "2029-05-20T16:59:54Z",
          "ms": 1873990793540.085
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-05-19",
          "window": {
            "start": {
              "local": "2029-05-19T11:59:30+05:30",
              "utc": "2029-05-19T06:29:30Z",
              "ms": 1873866570310.2178
            },
            "end": {
              "local": "2029-05-19T12:47:30+05:30",
              "utc": "2029-05-19T07:17:30Z",
              "ms": 1873869450310.2178
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-05-20",
          "window": {
            "start": {
              "local": "2029-05-20T11:59:34+05:30",
              "utc": "2029-05-20T06:29:34Z",
              "ms": 1873952973515.269
            },
            "end": {
              "local": "2029-05-20T12:47:34+05:30",
              "utc": "2029-05-20T07:17:34Z",
              "ms": 1873955853515.269
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 23:32 on Sat 19 May to 22:30 on Sun 20 May.",
          "fact": "2029-05-19T18:01:41Z → 2029-05-20T16:59:54Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 19th, 12:00–12:48 on the 20th.",
          "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 19th and 48 of 48 on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 34940 s"
        },
        {
          "step": "ruling",
          "text": "Gaṅgotpatti, Ujjain, 2029: Sunday 20 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": "2029-05-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-05-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Gaṅgotpatti (Ganga Saptami) 2029 falls on Sunday 20 May. Saptamī runs from 23:32 on Sat 19 May to 22:30 on Sun 20 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/ekadashi?on=2029-05-24",
      "festival": "ekadashi",
      "name": "Mohinī Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-05-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26885,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-05-23T16:09:41+05:30",
          "utc": "2029-05-23T10:39:41Z",
          "ms": 1874227181063.0083
        },
        "end": {
          "local": "2029-05-24T13:10:42+05:30",
          "utc": "2029-05-24T07:40:42Z",
          "ms": 1874302842355.0364
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-05-23T16:09:41+05:30",
          "utc": "2029-05-23T10:39:41Z",
          "ms": 1874227181063.0083
        },
        "end": {
          "local": "2029-05-24T13:10:42+05:30",
          "utc": "2029-05-24T07:40:42Z",
          "ms": 1874302842355.0364
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-05-23",
          "window": {
            "start": {
              "local": "2029-05-23T05:42:55+05:30",
              "utc": "2029-05-23T00:12:55Z",
              "ms": 1874189575131.8577
            },
            "end": {
              "local": "2029-05-23T05:42:55+05:30",
              "utc": "2029-05-23T00:12:55Z",
              "ms": 1874189575131.8577
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2029-05-24",
          "window": {
            "start": {
              "local": "2029-05-24T05:42:38+05:30",
              "utc": "2029-05-24T00:12:38Z",
              "ms": 1874275957712.055
            },
            "end": {
              "local": "2029-05-24T05:42:38+05:30",
              "utc": "2029-05-24T00:12:38Z",
              "ms": 1874275957712.055
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 16:10 on Wed 23 May to 13:11 on Thu 24 May.",
          "fact": "2029-05-23T10:39:41Z → 2029-05-24T07:40:42Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:43 on the 23rd and 05:43 on the 24th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 23rd and is on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 26885 s"
        },
        {
          "step": "ruling",
          "text": "Mohinī Ekādaśī, Ujjain, 2029: Thursday 24 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": "2029-05-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-05-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Mohinī Ekādaśī 2029 falls on Thursday 24 May. Ekādaśī runs from 16:10 on Wed 23 May to 13:11 on Thu 24 May and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-05-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/parashurama-dvadashi",
      "festival": "parashurama-dvadashi",
      "name": "Paraśurāma Dvādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-05-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1371,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2029-05-24T13:10:42+05:30",
          "utc": "2029-05-24T07:40:42Z",
          "ms": 1874302842355.0364
        },
        "end": {
          "local": "2029-05-25T09:56:19+05:30",
          "utc": "2029-05-25T04:26:19Z",
          "ms": 1874377579489.5566
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-05-24T13:10:42+05:30",
          "utc": "2029-05-24T07:40:42Z",
          "ms": 1874302842355.0364
        },
        "end": {
          "local": "2029-05-25T09:56:19+05:30",
          "utc": "2029-05-25T04:26:19Z",
          "ms": 1874377579489.5566
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-05-24",
          "window": {
            "start": {
              "local": "2029-05-24T11:59:51+05:30",
              "utc": "2029-05-24T06:29:51Z",
              "ms": 1874298591369.9114
            },
            "end": {
              "local": "2029-05-24T12:47:51+05:30",
              "utc": "2029-05-24T07:17:51Z",
              "ms": 1874301471369.9114
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-05-25",
          "window": {
            "start": {
              "local": "2029-05-25T11:59:57+05:30",
              "utc": "2029-05-25T06:29:57Z",
              "ms": 1874384997051.6377
            },
            "end": {
              "local": "2029-05-25T12:47:57+05:30",
              "utc": "2029-05-25T07:17:57Z",
              "ms": 1874387877051.6377
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 13:11 on Thu 24 May to 09:56 on Fri 25 May.",
          "fact": "2029-05-24T07:40:42Z → 2029-05-25T04:26:19Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 24th, 12:00–12:48 on the 25th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 0 of 48 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: purvaviddha → second-day · margin 1371 s"
        },
        {
          "step": "ruling",
          "text": "Paraśurāma Dvādaśī, Ujjain, 2029: Friday 25 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": "2029-05-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-05-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Paraśurāma Dvādaśī 2029 falls on Friday 25 May. Dvādaśī runs from 13:11 on Thu 24 May to 09:56 on Fri 25 May, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/rukmini-dvadashi",
      "festival": "rukmini-dvadashi",
      "name": "Rukmiṇī Dvādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-05-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1371,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2029-05-24T13:10:42+05:30",
          "utc": "2029-05-24T07:40:42Z",
          "ms": 1874302842355.0364
        },
        "end": {
          "local": "2029-05-25T09:56:19+05:30",
          "utc": "2029-05-25T04:26:19Z",
          "ms": 1874377579489.5566
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-05-24T13:10:42+05:30",
          "utc": "2029-05-24T07:40:42Z",
          "ms": 1874302842355.0364
        },
        "end": {
          "local": "2029-05-25T09:56:19+05:30",
          "utc": "2029-05-25T04:26:19Z",
          "ms": 1874377579489.5566
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-05-24",
          "window": {
            "start": {
              "local": "2029-05-24T11:59:51+05:30",
              "utc": "2029-05-24T06:29:51Z",
              "ms": 1874298591369.9114
            },
            "end": {
              "local": "2029-05-24T12:47:51+05:30",
              "utc": "2029-05-24T07:17:51Z",
              "ms": 1874301471369.9114
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-05-25",
          "window": {
            "start": {
              "local": "2029-05-25T11:59:57+05:30",
              "utc": "2029-05-25T06:29:57Z",
              "ms": 1874384997051.6377
            },
            "end": {
              "local": "2029-05-25T12:47:57+05:30",
              "utc": "2029-05-25T07:17:57Z",
              "ms": 1874387877051.6377
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 13:11 on Thu 24 May to 09:56 on Fri 25 May.",
          "fact": "2029-05-24T07:40:42Z → 2029-05-25T04:26:19Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 24th, 12:00–12:48 on the 25th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 24th and 0 of 48 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: purvaviddha → second-day · margin 1371 s"
        },
        {
          "step": "ruling",
          "text": "Rukmiṇī Dvādaśī, Ujjain, 2029: Friday 25 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": "2029-05-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-05-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Rukmiṇī Dvādaśī 2029 falls on Friday 25 May. Dvādaśī runs from 13:11 on Thu 24 May to 09:56 on Fri 25 May, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/pradosha-vrata?on=2029-05-25",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-05-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32953,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-05-25T09:56:19+05:30",
          "utc": "2029-05-25T04:26:19Z",
          "ms": 1874377579489.5566
        },
        "end": {
          "local": "2029-05-26T06:34:54+05:30",
          "utc": "2029-05-26T01:04:54Z",
          "ms": 1874451893672.9517
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-05-25T09:56:19+05:30",
          "utc": "2029-05-25T04:26:19Z",
          "ms": 1874377579489.5566
        },
        "end": {
          "local": "2029-05-26T06:34:54+05:30",
          "utc": "2029-05-26T01:04:54Z",
          "ms": 1874451893672.9517
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-05-25",
          "window": {
            "start": {
              "local": "2029-05-25T19:05:33+05:30",
              "utc": "2029-05-25T13:35:33Z",
              "ms": 1874410532668.283
            },
            "end": {
              "local": "2029-05-25T20:30:25+05:30",
              "utc": "2029-05-25T15:00:25Z",
              "ms": 1874415625153.2686
            }
          },
          "covered_min": 85,
          "window_min": 85,
          "qualifies": true
        },
        {
          "local_date": "2029-05-26",
          "window": {
            "start": {
              "local": "2029-05-26T19:06:00+05:30",
              "utc": "2029-05-26T13:36:00Z",
              "ms": 1874496960106.2346
            },
            "end": {
              "local": "2029-05-26T20:30:47+05:30",
              "utc": "2029-05-26T15:00:47Z",
              "ms": 1874502047069.2786
            }
          },
          "covered_min": 0,
          "window_min": 85,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 09:56 on Fri 25 May to 06:35 on Sat 26 May.",
          "fact": "2029-05-25T04:26:19Z → 2029-05-26T01:04:54Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:06–20:30 on the 25th, 19:06–20:31 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 85 of 85 minutes on the 25th and 0 of 85 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 32953 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Ujjain, 2029: Friday 25 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": "2029-05-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-05-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śukla Pradoṣa Vrata 2029 falls on Friday 25 May. Trayodaśī runs from 09:56 on Fri 25 May to 06:35 on Sat 26 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/pradosha-vrata?on=2029-05-25",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/nrisimha-chaturdashi",
      "festival": "nrisimha-chaturdashi",
      "name": "Nṛsiṃha Caturdaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-05-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24282,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2029-05-26T06:34:54+05:30",
          "utc": "2029-05-26T01:04:54Z",
          "ms": 1874451893672.9517
        },
        "end": {
          "local": "2029-05-27T03:15:30+05:30",
          "utc": "2029-05-26T21:45:30Z",
          "ms": 1874526329557.3484
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-05-26T06:34:54+05:30",
          "utc": "2029-05-26T01:04:54Z",
          "ms": 1874451893672.9517
        },
        "end": {
          "local": "2029-05-27T03:15:30+05:30",
          "utc": "2029-05-26T21:45:30Z",
          "ms": 1874526329557.3484
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-05-25",
          "window": {
            "start": {
              "local": "2029-05-25T19:05:33+05:30",
              "utc": "2029-05-25T13:35:33Z",
              "ms": 1874410532668.283
            },
            "end": {
              "local": "2029-05-25T20:30:25+05:30",
              "utc": "2029-05-25T15:00:25Z",
              "ms": 1874415625153.2686
            }
          },
          "covered_min": 0,
          "window_min": 85,
          "qualifies": false
        },
        {
          "local_date": "2029-05-26",
          "window": {
            "start": {
              "local": "2029-05-26T19:06:00+05:30",
              "utc": "2029-05-26T13:36:00Z",
              "ms": 1874496960106.2346
            },
            "end": {
              "local": "2029-05-26T20:30:47+05:30",
              "utc": "2029-05-26T15:00:47Z",
              "ms": 1874502047069.2786
            }
          },
          "covered_min": 85,
          "window_min": 85,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 06:35 on Sat 26 May to 03:15 on Sun 27 May.",
          "fact": "2029-05-26T01:04:54Z → 2029-05-26T21:45:30Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:06–20:30 on the 25th, 19:06–20:31 on the 26th.",
          "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 85 minutes on the 25th and 85 of 85 on the 26th.",
          "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 24282 s"
        },
        {
          "step": "ruling",
          "text": "Nṛsiṃha Caturdaśī, Ujjain, 2029: Saturday 26 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": "2029-05-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-05-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Nṛsiṃha Caturdaśī (Narasimha Jayanti) 2029 falls on Saturday 26 May. Caturdaśī runs from 06:35 on Sat 26 May to 03:15 on Sun 27 May and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/buddha-purnima",
      "festival": "buddha-purnima",
      "name": "Buddha Pūrṇimā",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-05-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31480,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2029-05-27T03:15:30+05:30",
          "utc": "2029-05-26T21:45:30Z",
          "ms": 1874526329557.3484
        },
        "end": {
          "local": "2029-05-28T00:07:31+05:30",
          "utc": "2029-05-27T18:37:31Z",
          "ms": 1874601450934.5615
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-05-27T03:15:30+05:30",
          "utc": "2029-05-26T21:45:30Z",
          "ms": 1874526329557.3484
        },
        "end": {
          "local": "2029-05-28T00:07:31+05:30",
          "utc": "2029-05-27T18:37:31Z",
          "ms": 1874601450934.5615
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-05-27",
          "window": {
            "start": {
              "local": "2029-05-27T12:00:10+05:30",
              "utc": "2029-05-27T06:30:10Z",
              "ms": 1874557809825.85
            },
            "end": {
              "local": "2029-05-27T12:48:10+05:30",
              "utc": "2029-05-27T07:18:10Z",
              "ms": 1874560689825.85
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-05-28",
          "window": {
            "start": {
              "local": "2029-05-28T12:00:17+05:30",
              "utc": "2029-05-28T06:30:17Z",
              "ms": 1874644216903.929
            },
            "end": {
              "local": "2029-05-28T12:48:17+05:30",
              "utc": "2029-05-28T07:18:17Z",
              "ms": 1874647096903.929
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 03:15 on Sun 27 May to 00:08 on Mon 28 May.",
          "fact": "2029-05-26T21:45:30Z → 2029-05-27T18:37:31Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 27th, 12:00–12:48 on the 28th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.",
          "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 31480 s"
        },
        {
          "step": "ruling",
          "text": "Buddha Pūrṇimā, Ujjain, 2029: Sunday 27 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": "2029-05-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-05-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Buddha Pūrṇimā (Vesak) 2029 falls on Sunday 27 May. Pūrṇimā runs from 03:15 on Sun 27 May to 00:08 on Mon 28 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/sampat-gauri-vrata",
      "festival": "sampat-gauri-vrata",
      "name": "Sampat Gaurī Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-05-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31480,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2029-05-27T03:15:30+05:30",
          "utc": "2029-05-26T21:45:30Z",
          "ms": 1874526329557.3484
        },
        "end": {
          "local": "2029-05-28T00:07:31+05:30",
          "utc": "2029-05-27T18:37:31Z",
          "ms": 1874601450934.5615
        },
        "month": {
          "amanta": 1,
          "purnimanta": 1,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Vaiśākha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-05-27T03:15:30+05:30",
          "utc": "2029-05-26T21:45:30Z",
          "ms": 1874526329557.3484
        },
        "end": {
          "local": "2029-05-28T00:07:31+05:30",
          "utc": "2029-05-27T18:37:31Z",
          "ms": 1874601450934.5615
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-05-27",
          "window": {
            "start": {
              "local": "2029-05-27T12:00:10+05:30",
              "utc": "2029-05-27T06:30:10Z",
              "ms": 1874557809825.85
            },
            "end": {
              "local": "2029-05-27T12:48:10+05:30",
              "utc": "2029-05-27T07:18:10Z",
              "ms": 1874560689825.85
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-05-28",
          "window": {
            "start": {
              "local": "2029-05-28T12:00:17+05:30",
              "utc": "2029-05-28T06:30:17Z",
              "ms": 1874644216903.929
            },
            "end": {
              "local": "2029-05-28T12:48:17+05:30",
              "utc": "2029-05-28T07:18:17Z",
              "ms": 1874647096903.929
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 03:15 on Sun 27 May to 00:08 on Mon 28 May.",
          "fact": "2029-05-26T21:45:30Z → 2029-05-27T18:37:31Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 27th, 12:00–12:48 on the 28th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 27th and 0 of 48 on the 28th.",
          "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 31480 s"
        },
        {
          "step": "ruling",
          "text": "Sampat Gaurī Vrata, Ujjain, 2029: Sunday 27 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": "2029-05-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-05-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Sampat Gaurī Vrata 2029 falls on Sunday 27 May. Pūrṇimā runs from 03:15 on Sun 27 May to 00:08 on Mon 28 May and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/sankashta-chaturthi?on=2029-05-30",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-05-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16109,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-05-30T17:21:33+05:30",
          "utc": "2029-05-30T11:51:33Z",
          "ms": 1874836293273.569
        },
        "end": {
          "local": "2029-05-31T16:23:21+05:30",
          "utc": "2029-05-31T10:53:21Z",
          "ms": 1874919200846.6643
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-05-30T17:21:33+05:30",
          "utc": "2029-05-30T11:51:33Z",
          "ms": 1874836293273.569
        },
        "end": {
          "local": "2029-05-31T16:23:21+05:30",
          "utc": "2029-05-31T10:53:21Z",
          "ms": 1874919200846.6643
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2029-05-30",
          "window": {
            "start": {
              "local": "2029-05-30T21:50:02+05:30",
              "utc": "2029-05-30T16:20:02Z",
              "ms": 1874852402217.2686
            },
            "end": {
              "local": "2029-05-30T21:50:02+05:30",
              "utc": "2029-05-30T16:20:02Z",
              "ms": 1874852402217.2686
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2029-05-31",
          "window": {
            "start": {
              "local": "2029-05-31T22:35:30+05:30",
              "utc": "2029-05-31T17:05:30Z",
              "ms": 1874941529659.5352
            },
            "end": {
              "local": "2029-05-31T22:35:30+05:30",
              "utc": "2029-05-31T17:05:30Z",
              "ms": 1874941529659.5352
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 17:22 on Wed 30 May to 16:23 on Thu 31 May.",
          "fact": "2029-05-30T11:51:33Z → 2029-05-31T10:53:21Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:50 on the 30th and 22:35 on the 31st.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is on the 30th and is not on the 31st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 16109 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Ujjain, 2029: Wednesday 30 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": "2029-05-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-05-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2029 falls on Wednesday 30 May. Caturthī runs from 17:22 on Wed 30 May to 16:23 on Thu 31 May and is current at moonrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/sankashta-chaturthi?on=2029-05-30",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/ekadashi?on=2029-06-07",
      "festival": "ekadashi",
      "name": "Aparā Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-06-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10616,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-06-07T00:21:13+05:30",
          "utc": "2029-06-06T18:51:13Z",
          "ms": 1875466272831.2126
        },
        "end": {
          "local": "2029-06-08T02:43:39+05:30",
          "utc": "2029-06-07T21:13:39Z",
          "ms": 1875561219125.5605
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-06-07T00:21:13+05:30",
          "utc": "2029-06-06T18:51:13Z",
          "ms": 1875466272831.2126
        },
        "end": {
          "local": "2029-06-08T02:43:39+05:30",
          "utc": "2029-06-07T21:13:39Z",
          "ms": 1875561219125.5605
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-06-07",
          "window": {
            "start": {
              "local": "2029-06-07T05:40:35+05:30",
              "utc": "2029-06-07T00:10:35Z",
              "ms": 1875485435170.3286
            },
            "end": {
              "local": "2029-06-07T05:40:35+05:30",
              "utc": "2029-06-07T00:10:35Z",
              "ms": 1875485435170.3286
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2029-06-08",
          "window": {
            "start": {
              "local": "2029-06-08T05:40:35+05:30",
              "utc": "2029-06-08T00:10:35Z",
              "ms": 1875571835017.0825
            },
            "end": {
              "local": "2029-06-08T05:40:35+05:30",
              "utc": "2029-06-08T00:10:35Z",
              "ms": 1875571835017.0825
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 00:21 on Thu 7 Jun to 02:44 on Fri 8 Jun.",
          "fact": "2029-06-06T18:51:13Z → 2029-06-07T21:13:39Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:41 on the 7th and 05:41 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 10616 s"
        },
        {
          "step": "ruling",
          "text": "Aparā Ekādaśī, Ujjain, 2029: Thursday 7 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-06-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-06-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Aparā Ekādaśī 2029 falls on Thursday 7 June. Ekādaśī runs from 00:21 on Thu 7 Jun to 02:44 on Fri 8 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-06-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/pradosha-vrata?on=2029-06-09",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-06-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29998,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-06-09T04:55:20+05:30",
          "utc": "2029-06-08T23:25:20Z",
          "ms": 1875655519726.295
        },
        "end": {
          "local": "2029-06-10T06:48:26+05:30",
          "utc": "2029-06-10T01:18:26Z",
          "ms": 1875748705589.1565
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-06-09T04:55:20+05:30",
          "utc": "2029-06-08T23:25:20Z",
          "ms": 1875655519726.295
        },
        "end": {
          "local": "2029-06-10T06:48:26+05:30",
          "utc": "2029-06-10T01:18:26Z",
          "ms": 1875748705589.1565
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-06-08",
          "window": {
            "start": {
              "local": "2029-06-08T19:11:28+05:30",
              "utc": "2029-06-08T13:41:28Z",
              "ms": 1875620488350.335
            },
            "end": {
              "local": "2029-06-08T20:35:21+05:30",
              "utc": "2029-06-08T15:05:21Z",
              "ms": 1875625521365.4329
            }
          },
          "covered_min": 0,
          "window_min": 84,
          "qualifies": false
        },
        {
          "local_date": "2029-06-09",
          "window": {
            "start": {
              "local": "2029-06-09T19:11:50+05:30",
              "utc": "2029-06-09T13:41:50Z",
              "ms": 1875706910492.3762
            },
            "end": {
              "local": "2029-06-09T20:35:41+05:30",
              "utc": "2029-06-09T15:05:41Z",
              "ms": 1875711940825.901
            }
          },
          "covered_min": 84,
          "window_min": 84,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 04:55 on Sat 9 Jun to 06:48 on Sun 10 Jun.",
          "fact": "2029-06-08T23:25:20Z → 2029-06-10T01:18:26Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:11–20:35 on the 8th, 19:12–20:36 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 84 minutes on the 8th and 84 of 84 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 29998 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2029: Saturday 9 June.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-06-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-06-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2029 falls on Saturday 9 June. Trayodaśī runs from 04:55 on Sat 9 Jun to 06:48 on Sun 10 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/pradosha-vrata?on=2029-06-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/shivaratri?on=2029-06-10",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-06-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21491,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2029-06-10T06:48:26+05:30",
          "utc": "2029-06-10T01:18:26Z",
          "ms": 1875748705589.1565
        },
        "end": {
          "local": "2029-06-11T08:17:47+05:30",
          "utc": "2029-06-11T02:47:47Z",
          "ms": 1875840466586.874
        },
        "month": {
          "amanta": 1,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Vaiśākha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-06-10T06:48:26+05:30",
          "utc": "2029-06-10T01:18:26Z",
          "ms": 1875748705589.1565
        },
        "end": {
          "local": "2029-06-11T08:17:47+05:30",
          "utc": "2029-06-11T02:47:47Z",
          "ms": 1875840466586.874
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2029-06-09",
          "window": {
            "start": {
              "local": "2029-06-10T00:02:14+05:30",
              "utc": "2029-06-09T18:32:14Z",
              "ms": 1875724334243.0938
            },
            "end": {
              "local": "2029-06-10T00:50:14+05:30",
              "utc": "2029-06-09T19:20:14Z",
              "ms": 1875727214243.0938
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-06-10",
          "window": {
            "start": {
              "local": "2029-06-11T00:02:27+05:30",
              "utc": "2029-06-10T18:32:27Z",
              "ms": 1875810746566.748
            },
            "end": {
              "local": "2029-06-11T00:50:27+05:30",
              "utc": "2029-06-10T19:20:27Z",
              "ms": 1875813626566.748
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 06:48 on Sun 10 Jun to 08:18 on Mon 11 Jun.",
          "fact": "2029-06-10T01:18:26Z → 2029-06-11T02:47:47Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:02–00:50 on the 9th, 00:02–00:50 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 21491 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Ujjain, 2029: Sunday 10 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": "2029-06-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-06-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2029 falls on Sunday 10 June. Caturdaśī runs from 06:48 on Sun 10 Jun to 08:18 on Mon 11 Jun and covers all of niśītha that night.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/shivaratri?on=2029-06-10",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/rambha-tritiya",
      "festival": "rambha-tritiya",
      "name": "Rambhā Tṛtīyā",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-06-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7191,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2029-06-14T10:03:24+05:30",
          "utc": "2029-06-14T04:33:24Z",
          "ms": 1876106003546.7385
        },
        "end": {
          "local": "2029-06-15T09:44:21+05:30",
          "utc": "2029-06-15T04:14:21Z",
          "ms": 1876191260849.5874
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-06-14T10:03:24+05:30",
          "utc": "2029-06-14T04:33:24Z",
          "ms": 1876106003546.7385
        },
        "end": {
          "local": "2029-06-15T09:44:21+05:30",
          "utc": "2029-06-15T04:14:21Z",
          "ms": 1876191260849.5874
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-06-14",
          "window": {
            "start": {
              "local": "2029-06-14T12:03:14+05:30",
              "utc": "2029-06-14T06:33:14Z",
              "ms": 1876113194140.8547
            },
            "end": {
              "local": "2029-06-14T12:51:14+05:30",
              "utc": "2029-06-14T07:21:14Z",
              "ms": 1876116074140.8547
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-06-15",
          "window": {
            "start": {
              "local": "2029-06-15T12:03:27+05:30",
              "utc": "2029-06-15T06:33:27Z",
              "ms": 1876199606779.643
            },
            "end": {
              "local": "2029-06-15T12:51:27+05:30",
              "utc": "2029-06-15T07:21:27Z",
              "ms": 1876202486779.643
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 10:03 on Thu 14 Jun to 09:44 on Fri 15 Jun.",
          "fact": "2029-06-14T04:33:24Z → 2029-06-15T04:14:21Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 14th, 12:03–12:51 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 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: purvaviddha → only-day · margin 7191 s"
        },
        {
          "step": "ruling",
          "text": "Rambhā Tṛtīyā, Ujjain, 2029: Thursday 14 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": "2029-06-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-06-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Rambhā Tṛtīyā 2029 falls on Thursday 14 June. Tṛtīyā runs from 10:03 on Thu 14 Jun to 09:44 on Fri 15 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/vinayaka-chaturthi?on=2029-06-15",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-06-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8346,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-06-15T09:44:21+05:30",
          "utc": "2029-06-15T04:14:21Z",
          "ms": 1876191260849.5874
        },
        "end": {
          "local": "2029-06-16T08:59:43+05:30",
          "utc": "2029-06-16T03:29:43Z",
          "ms": 1876274982866.4712
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-06-15T09:44:21+05:30",
          "utc": "2029-06-15T04:14:21Z",
          "ms": 1876191260849.5874
        },
        "end": {
          "local": "2029-06-16T08:59:43+05:30",
          "utc": "2029-06-16T03:29:43Z",
          "ms": 1876274982866.4712
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-06-15",
          "window": {
            "start": {
              "local": "2029-06-15T12:03:27+05:30",
              "utc": "2029-06-15T06:33:27Z",
              "ms": 1876199606779.643
            },
            "end": {
              "local": "2029-06-15T12:51:27+05:30",
              "utc": "2029-06-15T07:21:27Z",
              "ms": 1876202486779.643
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-06-16",
          "window": {
            "start": {
              "local": "2029-06-16T12:03:40+05:30",
              "utc": "2029-06-16T06:33:40Z",
              "ms": 1876286019507.7617
            },
            "end": {
              "local": "2029-06-16T12:51:40+05:30",
              "utc": "2029-06-16T07:21:40Z",
              "ms": 1876288899507.7617
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 09:44 on Fri 15 Jun to 09:00 on Sat 16 Jun.",
          "fact": "2029-06-15T04:14:21Z → 2029-06-16T03:29:43Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 15th, 12:04–12:52 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 8346 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Ujjain, 2029: Friday 15 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": "2029-06-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-06-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Vināyaka Caturthī 2029 falls on Friday 15 June. Caturthī runs from 09:44 on Fri 15 Jun to 09:00 on Sat 16 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/vinayaka-chaturthi?on=2029-06-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/aranya-gauri-vrata",
      "festival": "aranya-gauri-vrata",
      "name": "Araṇya Gaurī Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-06-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15182,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2029-06-17T07:50:50+05:30",
          "utc": "2029-06-17T02:20:50Z",
          "ms": 1876357250450.2876
        },
        "end": {
          "local": "2029-06-18T06:19:20+05:30",
          "utc": "2029-06-18T00:49:20Z",
          "ms": 1876438159833.7695
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-06-17T07:50:50+05:30",
          "utc": "2029-06-17T02:20:50Z",
          "ms": 1876357250450.2876
        },
        "end": {
          "local": "2029-06-18T06:19:20+05:30",
          "utc": "2029-06-18T00:49:20Z",
          "ms": 1876438159833.7695
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-06-17",
          "window": {
            "start": {
              "local": "2029-06-17T12:03:52+05:30",
              "utc": "2029-06-17T06:33:52Z",
              "ms": 1876372432298.4526
            },
            "end": {
              "local": "2029-06-17T12:51:52+05:30",
              "utc": "2029-06-17T07:21:52Z",
              "ms": 1876375312298.4526
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-06-18",
          "window": {
            "start": {
              "local": "2029-06-18T12:04:05+05:30",
              "utc": "2029-06-18T06:34:05Z",
              "ms": 1876458845125.5688
            },
            "end": {
              "local": "2029-06-18T12:52:05+05:30",
              "utc": "2029-06-18T07:22:05Z",
              "ms": 1876461725125.5688
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 07:51 on Sun 17 Jun to 06:19 on Mon 18 Jun.",
          "fact": "2029-06-17T02:20:50Z → 2029-06-18T00:49:20Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 17th, 12:04–12:52 on the 18th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 15182 s"
        },
        {
          "step": "ruling",
          "text": "Araṇya Gaurī Vrata, Ujjain, 2029: Sunday 17 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": "2029-06-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-06-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Araṇya Gaurī Vrata 2029 falls on Sunday 17 June. Ṣaṣṭhī runs from 07:51 on Sun 17 Jun to 06:19 on Mon 18 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/skanda-shashthi-jyaishtha",
      "festival": "skanda-shashthi-jyaishtha",
      "name": "Skanda Ṣaṣṭhī (Jyaiṣṭha)",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-06-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15182,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2029-06-17T07:50:50+05:30",
          "utc": "2029-06-17T02:20:50Z",
          "ms": 1876357250450.2876
        },
        "end": {
          "local": "2029-06-18T06:19:20+05:30",
          "utc": "2029-06-18T00:49:20Z",
          "ms": 1876438159833.7695
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-06-17T07:50:50+05:30",
          "utc": "2029-06-17T02:20:50Z",
          "ms": 1876357250450.2876
        },
        "end": {
          "local": "2029-06-18T06:19:20+05:30",
          "utc": "2029-06-18T00:49:20Z",
          "ms": 1876438159833.7695
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-06-17",
          "window": {
            "start": {
              "local": "2029-06-17T12:03:52+05:30",
              "utc": "2029-06-17T06:33:52Z",
              "ms": 1876372432298.4526
            },
            "end": {
              "local": "2029-06-17T12:51:52+05:30",
              "utc": "2029-06-17T07:21:52Z",
              "ms": 1876375312298.4526
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-06-18",
          "window": {
            "start": {
              "local": "2029-06-18T12:04:05+05:30",
              "utc": "2029-06-18T06:34:05Z",
              "ms": 1876458845125.5688
            },
            "end": {
              "local": "2029-06-18T12:52:05+05:30",
              "utc": "2029-06-18T07:22:05Z",
              "ms": 1876461725125.5688
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 07:51 on Sun 17 Jun to 06:19 on Mon 18 Jun.",
          "fact": "2029-06-17T02:20:50Z → 2029-06-18T00:49:20Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 17th, 12:04–12:52 on the 18th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 17th and 0 of 48 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 15182 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī (Jyaiṣṭha), Ujjain, 2029: Sunday 17 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": "2029-06-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-06-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Skanda Ṣaṣṭhī (Jyaiṣṭha) 2029 falls on Sunday 17 June. Ṣaṣṭhī runs from 07:51 on Sun 17 Jun to 06:19 on Mon 18 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/ekadashi?on=2029-06-22",
      "festival": "ekadashi",
      "name": "Nirjalā Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-06-22",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30367,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-06-21T21:16:13+05:30",
          "utc": "2029-06-21T15:46:13Z",
          "ms": 1876751172538.722
        },
        "end": {
          "local": "2029-06-22T18:34:41+05:30",
          "utc": "2029-06-22T13:04:41Z",
          "ms": 1876827881448.6792
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-06-21T21:16:13+05:30",
          "utc": "2029-06-21T15:46:13Z",
          "ms": 1876751172538.722
        },
        "end": {
          "local": "2029-06-22T18:34:41+05:30",
          "utc": "2029-06-22T13:04:41Z",
          "ms": 1876827881448.6792
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-06-22",
          "window": {
            "start": {
              "local": "2029-06-22T05:42:19+05:30",
              "utc": "2029-06-22T00:12:19Z",
              "ms": 1876781539361.645
            },
            "end": {
              "local": "2029-06-22T05:42:19+05:30",
              "utc": "2029-06-22T00:12:19Z",
              "ms": 1876781539361.645
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2029-06-23",
          "window": {
            "start": {
              "local": "2029-06-23T05:42:34+05:30",
              "utc": "2029-06-23T00:12:34Z",
              "ms": 1876867953531.1516
            },
            "end": {
              "local": "2029-06-23T05:42:34+05:30",
              "utc": "2029-06-23T00:12:34Z",
              "ms": 1876867953531.1516
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 21:16 on Thu 21 Jun to 18:35 on Fri 22 Jun.",
          "fact": "2029-06-21T15:46:13Z → 2029-06-22T13:04:41Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:42 on the 22nd and 05:43 on the 23rd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 22nd and is not 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 30367 s"
        },
        {
          "step": "ruling",
          "text": "Nirjalā Ekādaśī, Ujjain, 2029: Friday 22 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": "2029-06-22",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-06-22",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Nirjalā Ekādaśī 2029 falls on Friday 22 June. Ekādaśī runs from 21:16 on Thu 21 Jun to 18:35 on Fri 22 Jun and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-06-22",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/shri-rama-dvadashi",
      "festival": "shri-rama-dvadashi",
      "name": "Śrī Rāma Dvādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-06-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10794,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2029-06-22T18:34:41+05:30",
          "utc": "2029-06-22T13:04:41Z",
          "ms": 1876827881448.6792
        },
        "end": {
          "local": "2029-06-23T15:53:03+05:30",
          "utc": "2029-06-23T10:23:03Z",
          "ms": 1876904583178.2021
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-06-22T18:34:41+05:30",
          "utc": "2029-06-22T13:04:41Z",
          "ms": 1876827881448.6792
        },
        "end": {
          "local": "2029-06-23T15:53:03+05:30",
          "utc": "2029-06-23T10:23:03Z",
          "ms": 1876904583178.2021
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-06-22",
          "window": {
            "start": {
              "local": "2029-06-22T12:04:56+05:30",
              "utc": "2029-06-22T06:34:56Z",
              "ms": 1876804496309.8716
            },
            "end": {
              "local": "2029-06-22T12:52:56+05:30",
              "utc": "2029-06-22T07:22:56Z",
              "ms": 1876807376309.8716
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-06-23",
          "window": {
            "start": {
              "local": "2029-06-23T12:05:09+05:30",
              "utc": "2029-06-23T06:35:09Z",
              "ms": 1876890908963.101
            },
            "end": {
              "local": "2029-06-23T12:53:09+05:30",
              "utc": "2029-06-23T07:23:09Z",
              "ms": 1876893788963.101
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 18:35 on Fri 22 Jun to 15:53 on Sat 23 Jun.",
          "fact": "2029-06-22T13:04:41Z → 2029-06-23T10:23:03Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 22nd, 12:05–12:53 on the 23rd.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 10794 s"
        },
        {
          "step": "ruling",
          "text": "Śrī Rāma Dvādaśī, Ujjain, 2029: Saturday 23 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": "2029-06-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-06-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śrī Rāma Dvādaśī 2029 falls on Saturday 23 June. Dvādaśī runs from 18:35 on Fri 22 Jun to 15:53 on Sat 23 Jun and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/pradosha-vrata?on=2029-06-23",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-06-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12161,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-06-23T15:53:03+05:30",
          "utc": "2029-06-23T10:23:03Z",
          "ms": 1876904583178.2021
        },
        "end": {
          "local": "2029-06-24T13:17:36+05:30",
          "utc": "2029-06-24T07:47:36Z",
          "ms": 1876981655894.4465
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-06-23T15:53:03+05:30",
          "utc": "2029-06-23T10:23:03Z",
          "ms": 1876904583178.2021
        },
        "end": {
          "local": "2029-06-24T13:17:36+05:30",
          "utc": "2029-06-24T07:47:36Z",
          "ms": 1876981655894.4465
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-06-23",
          "window": {
            "start": {
              "local": "2029-06-23T19:15:44+05:30",
              "utc": "2029-06-23T13:45:44Z",
              "ms": 1876916744395.0505
            },
            "end": {
              "local": "2029-06-23T20:39:21+05:30",
              "utc": "2029-06-23T15:09:21Z",
              "ms": 1876921760939.0315
            }
          },
          "covered_min": 84,
          "window_min": 84,
          "qualifies": true
        },
        {
          "local_date": "2029-06-24",
          "window": {
            "start": {
              "local": "2029-06-24T19:15:55+05:30",
              "utc": "2029-06-24T13:45:55Z",
              "ms": 1877003154562.0002
            },
            "end": {
              "local": "2029-06-24T20:39:32+05:30",
              "utc": "2029-06-24T15:09:32Z",
              "ms": 1877008171843.2844
            }
          },
          "covered_min": 0,
          "window_min": 84,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 15:53 on Sat 23 Jun to 13:18 on Sun 24 Jun.",
          "fact": "2029-06-23T10:23:03Z → 2029-06-24T07:47:36Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:16–20:39 on the 23rd, 19:16–20:40 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 84 of 84 minutes on the 23rd and 0 of 84 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 12161 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Ujjain, 2029: Saturday 23 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": "2029-06-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-06-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śukla Pradoṣa Vrata 2029 falls on Saturday 23 June. Trayodaśī runs from 15:53 on Sat 23 Jun to 13:18 on Sun 24 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/pradosha-vrata?on=2029-06-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/vata-savitri-vrata",
      "festival": "vata-savitri-vrata",
      "name": "Vaṭa Sāvitrī Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-06-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30060,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2029-06-25T10:55:04+05:30",
          "utc": "2029-06-25T05:25:04Z",
          "ms": 1877059503835.2546
        },
        "end": {
          "local": "2029-06-26T08:52:21+05:30",
          "utc": "2029-06-26T03:22:21Z",
          "ms": 1877138541245.5
        },
        "month": {
          "amanta": 2,
          "purnimanta": 2,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Jyeṣṭha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-06-25T10:55:04+05:30",
          "utc": "2029-06-25T05:25:04Z",
          "ms": 1877059503835.2546
        },
        "end": {
          "local": "2029-06-26T08:52:21+05:30",
          "utc": "2029-06-26T03:22:21Z",
          "ms": 1877138541245.5
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-06-25",
          "window": {
            "start": {
              "local": "2029-06-25T19:16:04+05:30",
              "utc": "2029-06-25T13:46:04Z",
              "ms": 1877089563742.5815
            },
            "end": {
              "local": "2029-06-25T20:39:42+05:30",
              "utc": "2029-06-25T15:09:42Z",
              "ms": 1877094581990.2737
            }
          },
          "covered_min": 84,
          "window_min": 84,
          "qualifies": true
        },
        {
          "local_date": "2029-06-26",
          "window": {
            "start": {
              "local": "2029-06-26T19:16:12+05:30",
              "utc": "2029-06-26T13:46:12Z",
              "ms": 1877175971921.1758
            },
            "end": {
              "local": "2029-06-26T20:39:51+05:30",
              "utc": "2029-06-26T15:09:51Z",
              "ms": 1877180991363.6487
            }
          },
          "covered_min": 0,
          "window_min": 84,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 10:55 on Mon 25 Jun to 08:52 on Tue 26 Jun.",
          "fact": "2029-06-25T05:25:04Z → 2029-06-26T03:22:21Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:16–20:40 on the 25th, 19:16–20:40 on the 26th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 84 of 84 minutes on the 25th and 0 of 84 on the 26th.",
          "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 30060 s"
        },
        {
          "step": "ruling",
          "text": "Vaṭa Sāvitrī Vrata, Ujjain, 2029: Monday 25 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": "2029-06-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-06-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Vaṭa Sāvitrī Vrata (Vat Purnima) 2029 falls on Monday 25 June. Pūrṇimā runs from 10:55 on Mon 25 Jun to 08:52 on Tue 26 Jun and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/sankashta-chaturthi?on=2029-06-29",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-06-29",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29530,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-06-29T05:46:15+05:30",
          "utc": "2029-06-29T00:16:15Z",
          "ms": 1877386575008.9307
        },
        "end": {
          "local": "2029-06-30T05:59:53+05:30",
          "utc": "2029-06-30T00:29:53Z",
          "ms": 1877473793423.4167
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-06-29T05:46:15+05:30",
          "utc": "2029-06-29T00:16:15Z",
          "ms": 1877386575008.9307
        },
        "end": {
          "local": "2029-06-30T05:59:53+05:30",
          "utc": "2029-06-30T00:29:53Z",
          "ms": 1877473793423.4167
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2029-06-28",
          "window": {
            "start": {
              "local": "2029-06-28T21:09:26+05:30",
              "utc": "2029-06-28T15:39:26Z",
              "ms": 1877355565659.1382
            },
            "end": {
              "local": "2029-06-28T21:09:26+05:30",
              "utc": "2029-06-28T15:39:26Z",
              "ms": 1877355565659.1382
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2029-06-29",
          "window": {
            "start": {
              "local": "2029-06-29T21:47:44+05:30",
              "utc": "2029-06-29T16:17:44Z",
              "ms": 1877444263728.4182
            },
            "end": {
              "local": "2029-06-29T21:47:44+05:30",
              "utc": "2029-06-29T16:17:44Z",
              "ms": 1877444263728.4182
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 05:46 on Fri 29 Jun to 06:00 on Sat 30 Jun.",
          "fact": "2029-06-29T00:16:15Z → 2029-06-30T00:29:53Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:09 on the 28th and 21:48 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 29530 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Ujjain, 2029: Friday 29 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": "2029-06-29",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-06-29",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2029 falls on Friday 29 June. Caturthī runs from 05:46 on Fri 29 Jun to 06:00 on Sat 30 Jun and is current at moonrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/sankashta-chaturthi?on=2029-06-29",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/ekadashi?on=2029-07-07",
      "festival": "ekadashi",
      "name": "Yoginī Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-07-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 38500,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-07-06T17:11:51+05:30",
          "utc": "2029-07-06T11:41:51Z",
          "ms": 1878032510557.4226
        },
        "end": {
          "local": "2029-07-07T19:05:46+05:30",
          "utc": "2029-07-07T13:35:46Z",
          "ms": 1878125746424.6995
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-07-06T17:11:51+05:30",
          "utc": "2029-07-06T11:41:51Z",
          "ms": 1878032510557.4226
        },
        "end": {
          "local": "2029-07-07T19:05:46+05:30",
          "utc": "2029-07-07T13:35:46Z",
          "ms": 1878125746424.6995
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-07-07",
          "window": {
            "start": {
              "local": "2029-07-07T05:47:03+05:30",
              "utc": "2029-07-07T00:17:03Z",
              "ms": 1878077823037.7095
            },
            "end": {
              "local": "2029-07-07T05:47:03+05:30",
              "utc": "2029-07-07T00:17:03Z",
              "ms": 1878077823037.7095
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2029-07-08",
          "window": {
            "start": {
              "local": "2029-07-08T05:47:26+05:30",
              "utc": "2029-07-08T00:17:26Z",
              "ms": 1878164246372.3713
            },
            "end": {
              "local": "2029-07-08T05:47:26+05:30",
              "utc": "2029-07-08T00:17:26Z",
              "ms": 1878164246372.3713
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 17:12 on Fri 6 Jul to 19:06 on Sat 7 Jul.",
          "fact": "2029-07-06T11:41:51Z → 2029-07-07T13:35:46Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:47 on the 7th and 05:47 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 38500 s"
        },
        {
          "step": "ruling",
          "text": "Yoginī Ekādaśī, Ujjain, 2029: Saturday 7 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-07-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-07-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Yoginī Ekādaśī 2029 falls on Saturday 7 July. Ekādaśī runs from 17:12 on Fri 6 Jul to 19:06 on Sat 7 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-07-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/pradosha-vrata?on=2029-07-09",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-07-09",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 555,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-07-08T20:31:23+05:30",
          "utc": "2029-07-08T15:01:23Z",
          "ms": 1878217282541.698
        },
        "end": {
          "local": "2029-07-09T21:23:17+05:30",
          "utc": "2029-07-09T15:53:17Z",
          "ms": 1878306797376.0134
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-07-08T20:31:23+05:30",
          "utc": "2029-07-08T15:01:23Z",
          "ms": 1878217282541.698
        },
        "end": {
          "local": "2029-07-09T21:23:17+05:30",
          "utc": "2029-07-09T15:53:17Z",
          "ms": 1878306797376.0134
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-07-08",
          "window": {
            "start": {
              "local": "2029-07-08T19:16:27+05:30",
              "utc": "2029-07-08T13:46:27Z",
              "ms": 1878212786737.277
            },
            "end": {
              "local": "2029-07-08T20:40:38+05:30",
              "utc": "2029-07-08T15:10:38Z",
              "ms": 1878217837852.3882
            }
          },
          "covered_min": 9,
          "window_min": 84,
          "qualifies": true
        },
        {
          "local_date": "2029-07-09",
          "window": {
            "start": {
              "local": "2029-07-09T19:16:21+05:30",
              "utc": "2029-07-09T13:46:21Z",
              "ms": 1878299180644.5383
            },
            "end": {
              "local": "2029-07-09T20:40:36+05:30",
              "utc": "2029-07-09T15:10:36Z",
              "ms": 1878304235784.1162
            }
          },
          "covered_min": 84,
          "window_min": 84,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 20:31 on Sun 8 Jul to 21:23 on Mon 9 Jul.",
          "fact": "2029-07-08T15:01:23Z → 2029-07-09T15:53:17Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:16–20:41 on the 8th, 19:16–20:41 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 9 of 84 minutes on the 8th and 84 of 84 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 555 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2029: Monday 9 July.",
          "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": "2029-07-09",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-07-09",
          "confidence": "boundary"
        }
      ],
      "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2029 falls on Monday 9 July. Trayodaśī runs from 20:31 on Sun 8 Jul to 21:23 on Mon 9 Jul and covers all of pradoṣa that evening. It also reaches the previous evening for 9 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/ujjain/festivals/2029/pradosha-vrata?on=2029-07-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/shivaratri?on=2029-07-09",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-07-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8933,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2029-07-09T21:23:17+05:30",
          "utc": "2029-07-09T15:53:17Z",
          "ms": 1878306797376.0134
        },
        "end": {
          "local": "2029-07-10T21:39:33+05:30",
          "utc": "2029-07-10T16:09:33Z",
          "ms": 1878394173231.3057
        },
        "month": {
          "amanta": 2,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Jyeṣṭha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-07-09T21:23:17+05:30",
          "utc": "2029-07-09T15:53:17Z",
          "ms": 1878306797376.0134
        },
        "end": {
          "local": "2029-07-10T21:39:33+05:30",
          "utc": "2029-07-10T16:09:33Z",
          "ms": 1878394173231.3057
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2029-07-09",
          "window": {
            "start": {
              "local": "2029-07-10T00:08:17+05:30",
              "utc": "2029-07-09T18:38:17Z",
              "ms": 1878316697417.9556
            },
            "end": {
              "local": "2029-07-10T00:56:17+05:30",
              "utc": "2029-07-09T19:26:17Z",
              "ms": 1878319577417.9556
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-07-10",
          "window": {
            "start": {
              "local": "2029-07-11T00:08:26+05:30",
              "utc": "2029-07-10T18:38:26Z",
              "ms": 1878403105993.8213
            },
            "end": {
              "local": "2029-07-11T00:56:26+05:30",
              "utc": "2029-07-10T19:26:26Z",
              "ms": 1878405985993.8213
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 21:23 on Mon 9 Jul to 21:40 on Tue 10 Jul.",
          "fact": "2029-07-09T15:53:17Z → 2029-07-10T16:09:33Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:08–00:56 on the 9th, 00:08–00:56 on the 10th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 8933 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Ujjain, 2029: Monday 9 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": "2029-07-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-07-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2029 falls on Monday 9 July. Caturdaśī runs from 21:23 on Mon 9 Jul to 21:40 on Tue 10 Jul and covers all of niśītha that night.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/shivaratri?on=2029-07-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/rathayatra",
      "festival": "rathayatra",
      "name": "Rathayātrā",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-07-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22604,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2029-07-12T20:30:52+05:30",
          "utc": "2029-07-12T15:00:52Z",
          "ms": 1878562852122.1968
        },
        "end": {
          "local": "2029-07-13T19:13:20+05:30",
          "utc": "2029-07-13T13:43:20Z",
          "ms": 1878644600003.855
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-07-12T20:30:52+05:30",
          "utc": "2029-07-12T15:00:52Z",
          "ms": 1878562852122.1968
        },
        "end": {
          "local": "2029-07-13T19:13:20+05:30",
          "utc": "2029-07-13T13:43:20Z",
          "ms": 1878644600003.855
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-07-12",
          "window": {
            "start": {
              "local": "2029-07-12T12:08:29+05:30",
              "utc": "2029-07-12T06:38:29Z",
              "ms": 1878532709300.9058
            },
            "end": {
              "local": "2029-07-12T12:56:29+05:30",
              "utc": "2029-07-12T07:26:29Z",
              "ms": 1878535589300.9058
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-07-13",
          "window": {
            "start": {
              "local": "2029-07-13T12:08:36+05:30",
              "utc": "2029-07-13T06:38:36Z",
              "ms": 1878619116368.7876
            },
            "end": {
              "local": "2029-07-13T12:56:36+05:30",
              "utc": "2029-07-13T07:26:36Z",
              "ms": 1878621996368.7876
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 20:31 on Thu 12 Jul to 19:13 on Fri 13 Jul.",
          "fact": "2029-07-12T15:00:52Z → 2029-07-13T13:43:20Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 12th, 12:09–12:57 on the 13th.",
          "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 12th and 48 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 22604 s"
        },
        {
          "step": "ruling",
          "text": "Rathayātrā, Ujjain, 2029: Friday 13 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": "2029-07-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-07-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Rathayātrā 2029 falls on Friday 13 July. Dvitīyā runs from 20:31 on Thu 12 Jul to 19:13 on Fri 13 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/vinayaka-chaturthi?on=2029-07-15",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-07-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9601,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-07-14T17:33:34+05:30",
          "utc": "2029-07-14T12:03:34Z",
          "ms": 1878725013752.3086
        },
        "end": {
          "local": "2029-07-15T15:36:50+05:30",
          "utc": "2029-07-15T10:06:50Z",
          "ms": 1878804410468.8345
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-07-14T17:33:34+05:30",
          "utc": "2029-07-14T12:03:34Z",
          "ms": 1878725013752.3086
        },
        "end": {
          "local": "2029-07-15T15:36:50+05:30",
          "utc": "2029-07-15T10:06:50Z",
          "ms": 1878804410468.8345
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-07-14",
          "window": {
            "start": {
              "local": "2029-07-14T12:08:43+05:30",
              "utc": "2029-07-14T06:38:43Z",
              "ms": 1878705522950.3516
            },
            "end": {
              "local": "2029-07-14T12:56:43+05:30",
              "utc": "2029-07-14T07:26:43Z",
              "ms": 1878708402950.3516
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-07-15",
          "window": {
            "start": {
              "local": "2029-07-15T12:08:49+05:30",
              "utc": "2029-07-15T06:38:49Z",
              "ms": 1878791929027.6196
            },
            "end": {
              "local": "2029-07-15T12:56:49+05:30",
              "utc": "2029-07-15T07:26:49Z",
              "ms": 1878794809027.6196
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 17:34 on Sat 14 Jul to 15:37 on Sun 15 Jul.",
          "fact": "2029-07-14T12:03:34Z → 2029-07-15T10:06:50Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 14th, 12:09–12:57 on the 15th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 9601 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Ujjain, 2029: Sunday 15 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": "2029-07-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-07-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Vināyaka Caturthī 2029 falls on Sunday 15 July. Caturthī runs from 17:34 on Sat 14 Jul to 15:37 on Sun 15 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/vinayaka-chaturthi?on=2029-07-15",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/skanda-panchami",
      "festival": "skanda-panchami",
      "name": "Skanda Pañcamī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-07-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1882,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2029-07-15T15:36:50+05:30",
          "utc": "2029-07-15T10:06:50Z",
          "ms": 1878804410468.8345
        },
        "end": {
          "local": "2029-07-16T13:28:16+05:30",
          "utc": "2029-07-16T07:58:16Z",
          "ms": 1878883096100.6018
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-07-15T15:36:50+05:30",
          "utc": "2029-07-15T10:06:50Z",
          "ms": 1878804410468.8345
        },
        "end": {
          "local": "2029-07-16T13:28:16+05:30",
          "utc": "2029-07-16T07:58:16Z",
          "ms": 1878883096100.6018
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-07-15",
          "window": {
            "start": {
              "local": "2029-07-15T12:08:49+05:30",
              "utc": "2029-07-15T06:38:49Z",
              "ms": 1878791929027.6196
            },
            "end": {
              "local": "2029-07-15T12:56:49+05:30",
              "utc": "2029-07-15T07:26:49Z",
              "ms": 1878794809027.6196
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-07-16",
          "window": {
            "start": {
              "local": "2029-07-16T12:08:55+05:30",
              "utc": "2029-07-16T06:38:55Z",
              "ms": 1878878334584.0068
            },
            "end": {
              "local": "2029-07-16T12:56:55+05:30",
              "utc": "2029-07-16T07:26:55Z",
              "ms": 1878881214584.0068
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 15:37 on Sun 15 Jul to 13:28 on Mon 16 Jul.",
          "fact": "2029-07-15T10:06:50Z → 2029-07-16T07:58:16Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 15th, 12:09–12:57 on the 16th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 1882 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Pañcamī, Ujjain, 2029: Monday 16 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "skanda-panchami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 102",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 5 Skanda pancami (paraviddha)."
          }
        ],
        "kaala": "madhyahna",
        "priority": "paraviddha",
        "when_absent": "second-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-07-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-07-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Skanda Pañcamī 2029 falls on Monday 16 July. Pañcamī runs from 15:37 on Sun 15 Jul to 13:28 on Mon 16 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/vivasvat-saptami",
      "festival": "vivasvat-saptami",
      "name": "Vivasvat Saptamī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-07-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3388,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2029-07-17T11:12:31+05:30",
          "utc": "2029-07-17T05:42:31Z",
          "ms": 1878961351107.9807
        },
        "end": {
          "local": "2029-07-18T08:53:44+05:30",
          "utc": "2029-07-18T03:23:44Z",
          "ms": 1879039423710.5977
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-07-17T11:12:31+05:30",
          "utc": "2029-07-17T05:42:31Z",
          "ms": 1878961351107.9807
        },
        "end": {
          "local": "2029-07-18T08:53:44+05:30",
          "utc": "2029-07-18T03:23:44Z",
          "ms": 1879039423710.5977
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-07-17",
          "window": {
            "start": {
              "local": "2029-07-17T12:09:00+05:30",
              "utc": "2029-07-17T06:39:00Z",
              "ms": 1878964739604.604
            },
            "end": {
              "local": "2029-07-17T12:57:00+05:30",
              "utc": "2029-07-17T07:27:00Z",
              "ms": 1878967619604.604
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-07-18",
          "window": {
            "start": {
              "local": "2029-07-18T12:09:04+05:30",
              "utc": "2029-07-18T06:39:04Z",
              "ms": 1879051144076.3613
            },
            "end": {
              "local": "2029-07-18T12:57:04+05:30",
              "utc": "2029-07-18T07:27:04Z",
              "ms": 1879054024076.3613
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 11:13 on Tue 17 Jul to 08:54 on Wed 18 Jul.",
          "fact": "2029-07-17T05:42:31Z → 2029-07-18T03:23:44Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 17th, 12:09–12:57 on the 18th.",
          "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 17th and 0 of 48 on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 3388 s"
        },
        {
          "step": "ruling",
          "text": "Vivasvat Saptamī, Ujjain, 2029: Tuesday 17 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": "2029-07-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-07-17",
          "confidence": "boundary"
        }
      ],
      "quote": "In Ujjain, Vivasvat Saptamī 2029 falls on Tuesday 17 July. Saptamī runs from 11:13 on Tue 17 Jul to 08:54 on Wed 18 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/ekadashi?on=2029-07-21",
      "festival": "ekadashi",
      "name": "Hariśayanī Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-07-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13181,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-07-21T02:13:13+05:30",
          "utc": "2029-07-20T20:43:13Z",
          "ms": 1879274593005.307
        },
        "end": {
          "local": "2029-07-22T00:15:01+05:30",
          "utc": "2029-07-21T18:45:01Z",
          "ms": 1879353900992.7058
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-07-21T02:13:13+05:30",
          "utc": "2029-07-20T20:43:13Z",
          "ms": 1879274593005.307
        },
        "end": {
          "local": "2029-07-22T00:15:01+05:30",
          "utc": "2029-07-21T18:45:01Z",
          "ms": 1879353900992.7058
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-07-21",
          "window": {
            "start": {
              "local": "2029-07-21T05:52:54+05:30",
              "utc": "2029-07-21T00:22:54Z",
              "ms": 1879287774311.0352
            },
            "end": {
              "local": "2029-07-21T05:52:54+05:30",
              "utc": "2029-07-21T00:22:54Z",
              "ms": 1879287774311.0352
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2029-07-22",
          "window": {
            "start": {
              "local": "2029-07-22T05:53:20+05:30",
              "utc": "2029-07-22T00:23:20Z",
              "ms": 1879374200434.9158
            },
            "end": {
              "local": "2029-07-22T05:53:20+05:30",
              "utc": "2029-07-22T00:23:20Z",
              "ms": 1879374200434.9158
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 02:13 on Sat 21 Jul to 00:15 on Sun 22 Jul.",
          "fact": "2029-07-20T20:43:13Z → 2029-07-21T18:45:01Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:53 on the 21st and 05:53 on the 22nd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 21st and is not on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 13181 s"
        },
        {
          "step": "ruling",
          "text": "Hariśayanī Ekādaśī, Ujjain, 2029: Saturday 21 July.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-07-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-07-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Hariśayanī Ekādaśī 2029 falls on Saturday 21 July. Ekādaśī runs from 02:13 on Sat 21 Jul to 00:15 on Sun 22 Jul and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-07-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/pradosha-vrata?on=2029-07-23",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-07-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1314,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-07-22T22:29:32+05:30",
          "utc": "2029-07-22T16:59:32Z",
          "ms": 1879433972218.1917
        },
        "end": {
          "local": "2029-07-23T21:00:14+05:30",
          "utc": "2029-07-23T15:30:14Z",
          "ms": 1879515014411.4233
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-07-22T22:29:32+05:30",
          "utc": "2029-07-22T16:59:32Z",
          "ms": 1879433972218.1917
        },
        "end": {
          "local": "2029-07-23T21:00:14+05:30",
          "utc": "2029-07-23T15:30:14Z",
          "ms": 1879515014411.4233
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-07-22",
          "window": {
            "start": {
              "local": "2029-07-22T19:13:12+05:30",
              "utc": "2029-07-22T13:43:12Z",
              "ms": 1879422192126.8647
            },
            "end": {
              "local": "2029-07-22T20:38:37+05:30",
              "utc": "2029-07-22T15:08:37Z",
              "ms": 1879427316719.599
            }
          },
          "covered_min": 0,
          "window_min": 85,
          "qualifies": false
        },
        {
          "local_date": "2029-07-23",
          "window": {
            "start": {
              "local": "2029-07-23T19:12:49+05:30",
              "utc": "2029-07-23T13:42:49Z",
              "ms": 1879508569184.602
            },
            "end": {
              "local": "2029-07-23T20:38:20+05:30",
              "utc": "2029-07-23T15:08:20Z",
              "ms": 1879513700320.9363
            }
          },
          "covered_min": 86,
          "window_min": 86,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 22:30 on Sun 22 Jul to 21:00 on Mon 23 Jul.",
          "fact": "2029-07-22T16:59:32Z → 2029-07-23T15:30:14Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:13–20:39 on the 22nd, 19:13–20:38 on the 23rd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 85 minutes on the 22nd and 86 of 86 on the 23rd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 1314 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Ujjain, 2029: Monday 23 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": "2029-07-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-07-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śukla Pradoṣa Vrata 2029 falls on Monday 23 July. Trayodaśī runs from 22:30 on Sun 22 Jul to 21:00 on Mon 23 Jul and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/pradosha-vrata?on=2029-07-23",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/shiva-shayanotsava",
      "festival": "shiva-shayanotsava",
      "name": "Śiva Śayanotsava",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-07-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 374,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2029-07-24T19:50:58+05:30",
          "utc": "2029-07-24T14:20:58Z",
          "ms": 1879597257644.9731
        },
        "end": {
          "local": "2029-07-25T19:05:46+05:30",
          "utc": "2029-07-25T13:35:46Z",
          "ms": 1879680946145.44
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-07-24T19:50:58+05:30",
          "utc": "2029-07-24T14:20:58Z",
          "ms": 1879597257644.9731
        },
        "end": {
          "local": "2029-07-25T19:05:46+05:30",
          "utc": "2029-07-25T13:35:46Z",
          "ms": 1879680946145.44
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-07-24",
          "window": {
            "start": {
              "local": "2029-07-24T19:12:25+05:30",
              "utc": "2029-07-24T13:42:25Z",
              "ms": 1879594945066.7002
            },
            "end": {
              "local": "2029-07-24T20:38:03+05:30",
              "utc": "2029-07-24T15:08:03Z",
              "ms": 1879600082901.0315
            }
          },
          "covered_min": 47,
          "window_min": 86,
          "qualifies": true
        },
        {
          "local_date": "2029-07-25",
          "window": {
            "start": {
              "local": "2029-07-25T19:12:00+05:30",
              "utc": "2029-07-25T13:42:00Z",
              "ms": 1879681319784.6333
            },
            "end": {
              "local": "2029-07-25T20:37:44+05:30",
              "utc": "2029-07-25T15:07:44Z",
              "ms": 1879686464467.9795
            }
          },
          "covered_min": 0,
          "window_min": 86,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 19:51 on Tue 24 Jul to 19:06 on Wed 25 Jul.",
          "fact": "2029-07-24T14:20:58Z → 2029-07-25T13:35:46Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:12–20:38 on the 24th, 19:12–20:38 on the 25th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during pradoṣa. It covers 47 of 86 minutes on the 24th and 0 of 86 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: unstated → only-day · margin 374 s"
        },
        {
          "step": "ruling",
          "text": "Śiva Śayanotsava, Ujjain, 2029: Tuesday 24 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": "2029-07-24",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-07-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śiva Śayanotsava 2029 falls on Tuesday 24 July. Pūrṇimā runs from 19:51 on Tue 24 Jul to 19:06 on Wed 25 Jul and covers 47 of 86 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/vyasa-puja",
      "festival": "vyasa-puja",
      "name": "Vyāsa Pūjā",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-07-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36221,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2029-07-24T19:50:58+05:30",
          "utc": "2029-07-24T14:20:58Z",
          "ms": 1879597257644.9731
        },
        "end": {
          "local": "2029-07-25T19:05:46+05:30",
          "utc": "2029-07-25T13:35:46Z",
          "ms": 1879680946145.44
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-07-24T19:50:58+05:30",
          "utc": "2029-07-24T14:20:58Z",
          "ms": 1879597257644.9731
        },
        "end": {
          "local": "2029-07-25T19:05:46+05:30",
          "utc": "2029-07-25T13:35:46Z",
          "ms": 1879680946145.44
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "2029-07-25",
          "window": {
            "start": {
              "local": "2029-07-25T05:54:39+05:30",
              "utc": "2029-07-25T00:24:39Z",
              "ms": 1879633478824.184
            },
            "end": {
              "local": "2029-07-25T08:34:07+05:30",
              "utc": "2029-07-25T03:04:07Z",
              "ms": 1879643047016.274
            }
          },
          "covered_min": 159,
          "window_min": 159,
          "qualifies": true
        },
        {
          "local_date": "2029-07-26",
          "window": {
            "start": {
              "local": "2029-07-26T05:55:05+05:30",
              "utc": "2029-07-26T00:25:05Z",
              "ms": 1879719904909.7305
            },
            "end": {
              "local": "2029-07-26T08:34:23+05:30",
              "utc": "2029-07-26T03:04:23Z",
              "ms": 1879729462597.8945
            }
          },
          "covered_min": 0,
          "window_min": 159,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 19:51 on Tue 24 Jul to 19:06 on Wed 25 Jul.",
          "fact": "2029-07-24T14:20:58Z → 2029-07-25T13:35:46Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:55–08:34 on the 25th, 05:55–08:34 on the 26th.",
          "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 159 of 159 minutes on the 25th and 0 of 159 on the 26th.",
          "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 36221 s"
        },
        {
          "step": "ruling",
          "text": "Vyāsa Pūjā, Ujjain, 2029: Wednesday 25 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": "2029-07-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-07-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Vyāsa Pūjā 2029 falls on Wednesday 25 July. Pūrṇimā runs from 19:51 on Tue 24 Jul to 19:06 on Wed 25 Jul and covers all of the first three muhūrtas after sunrise that morning.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/guru-purnima",
      "festival": "guru-purnima",
      "name": "Guru Pūrṇimā",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-07-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22107,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2029-07-24T19:50:58+05:30",
          "utc": "2029-07-24T14:20:58Z",
          "ms": 1879597257644.9731
        },
        "end": {
          "local": "2029-07-25T19:05:46+05:30",
          "utc": "2029-07-25T13:35:46Z",
          "ms": 1879680946145.44
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-07-24T19:50:58+05:30",
          "utc": "2029-07-24T14:20:58Z",
          "ms": 1879597257644.9731
        },
        "end": {
          "local": "2029-07-25T19:05:46+05:30",
          "utc": "2029-07-25T13:35:46Z",
          "ms": 1879680946145.44
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-07-24",
          "window": {
            "start": {
              "local": "2029-07-24T12:09:19+05:30",
              "utc": "2029-07-24T06:39:19Z",
              "ms": 1879569558886.9043
            },
            "end": {
              "local": "2029-07-24T12:57:19+05:30",
              "utc": "2029-07-24T07:27:19Z",
              "ms": 1879572438886.9043
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-07-25",
          "window": {
            "start": {
              "local": "2029-07-25T12:09:19+05:30",
              "utc": "2029-07-25T06:39:19Z",
              "ms": 1879655959304.4087
            },
            "end": {
              "local": "2029-07-25T12:57:19+05:30",
              "utc": "2029-07-25T07:27:19Z",
              "ms": 1879658839304.4087
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 19:51 on Tue 24 Jul to 19:06 on Wed 25 Jul.",
          "fact": "2029-07-24T14:20:58Z → 2029-07-25T13:35:46Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:09–12:57 on the 24th, 12:09–12:57 on the 25th.",
          "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 24th and 48 of 48 on the 25th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 22107 s"
        },
        {
          "step": "ruling",
          "text": "Guru Pūrṇimā, Ujjain, 2029: Wednesday 25 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": "2029-07-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-07-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Guru Pūrṇimā 2029 falls on Wednesday 25 July. Pūrṇimā runs from 19:51 on Tue 24 Jul to 19:06 on Wed 25 Jul and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/kokila-vrata",
      "festival": "kokila-vrata",
      "name": "Kokilā Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-07-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 374,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2029-07-24T19:50:58+05:30",
          "utc": "2029-07-24T14:20:58Z",
          "ms": 1879597257644.9731
        },
        "end": {
          "local": "2029-07-25T19:05:46+05:30",
          "utc": "2029-07-25T13:35:46Z",
          "ms": 1879680946145.44
        },
        "month": {
          "amanta": 3,
          "purnimanta": 3,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Āṣāḍha"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-07-24T19:50:58+05:30",
          "utc": "2029-07-24T14:20:58Z",
          "ms": 1879597257644.9731
        },
        "end": {
          "local": "2029-07-25T19:05:46+05:30",
          "utc": "2029-07-25T13:35:46Z",
          "ms": 1879680946145.44
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2029-07-24",
          "window": {
            "start": {
              "local": "2029-07-24T16:32:47+05:30",
              "utc": "2029-07-24T11:02:47Z",
              "ms": 1879585366594.7817
            },
            "end": {
              "local": "2029-07-24T19:12:25+05:30",
              "utc": "2029-07-24T13:42:25Z",
              "ms": 1879594945066.7002
            }
          },
          "covered_min": 0,
          "window_min": 160,
          "qualifies": false
        },
        {
          "local_date": "2029-07-25",
          "window": {
            "start": {
              "local": "2029-07-25T16:32:32+05:30",
              "utc": "2029-07-25T11:02:32Z",
              "ms": 1879671751592.5435
            },
            "end": {
              "local": "2029-07-25T19:12:00+05:30",
              "utc": "2029-07-25T13:42:00Z",
              "ms": 1879681319784.6333
            }
          },
          "covered_min": 153,
          "window_min": 159,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 19:51 on Tue 24 Jul to 19:06 on Wed 25 Jul.",
          "fact": "2029-07-24T14:20:58Z → 2029-07-25T13:35:46Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:33–19:12 on the 24th, 16:33–19:12 on the 25th.",
          "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 160 minutes on the 24th and 153 of 159 on the 25th.",
          "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 374 s"
        },
        {
          "step": "ruling",
          "text": "Kokilā Vrata, Ujjain, 2029: Wednesday 25 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": "2029-07-25",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-07-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Kokilā Vrata 2029 falls on Wednesday 25 July. Pūrṇimā runs from 19:51 on Tue 24 Jul to 19:06 on Wed 25 Jul and covers 153 of 159 minutes of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/ashunya-shayana-vrata-ashadha",
      "festival": "ashunya-shayana-vrata-ashadha",
      "name": "Aśūnya Śayana Vrata (Āṣāḍha)",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-07-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3290,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2029-07-26T18:48:38+05:30",
          "utc": "2029-07-26T13:18:38Z",
          "ms": 1879766318027.1785
        },
        "end": {
          "local": "2029-07-27T19:02:52+05:30",
          "utc": "2029-07-27T13:32:52Z",
          "ms": 1879853571762.704
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-07-26T18:48:38+05:30",
          "utc": "2029-07-26T13:18:38Z",
          "ms": 1879766318027.1785
        },
        "end": {
          "local": "2029-07-27T19:02:52+05:30",
          "utc": "2029-07-27T13:32:52Z",
          "ms": 1879853571762.704
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2029-07-26",
          "window": {
            "start": {
              "local": "2029-07-26T19:43:28+05:30",
              "utc": "2029-07-26T14:13:28Z",
              "ms": 1879769607812.5718
            },
            "end": {
              "local": "2029-07-26T19:43:28+05:30",
              "utc": "2029-07-26T14:13:28Z",
              "ms": 1879769607812.5718
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2029-07-27",
          "window": {
            "start": {
              "local": "2029-07-27T20:20:00+05:30",
              "utc": "2029-07-27T14:50:00Z",
              "ms": 1879858199884.6082
            },
            "end": {
              "local": "2029-07-27T20:20:00+05:30",
              "utc": "2029-07-27T14:50:00Z",
              "ms": 1879858199884.6082
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 18:49 on Thu 26 Jul to 19:03 on Fri 27 Jul.",
          "fact": "2029-07-26T13:18:38Z → 2029-07-27T13:32:52Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:43 on the 26th and 20:20 on the 27th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā 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. 102"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 3290 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata (Āṣāḍha), Ujjain, 2029: Thursday 26 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": "2029-07-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-07-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Aśūnya Śayana Vrata (Āṣāḍha) 2029 falls on Thursday 26 July. Dvitīyā runs from 18:49 on Thu 26 Jul to 19:03 on Fri 27 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/sankashta-chaturthi?on=2029-07-28",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-07-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 980,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-07-28T19:50:20+05:30",
          "utc": "2029-07-28T14:20:20Z",
          "ms": 1879942820216.6333
        },
        "end": {
          "local": "2029-07-29T21:10:37+05:30",
          "utc": "2029-07-29T15:40:37Z",
          "ms": 1880034036954.3677
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-07-28T19:50:20+05:30",
          "utc": "2029-07-28T14:20:20Z",
          "ms": 1879942820216.6333
        },
        "end": {
          "local": "2029-07-29T21:10:37+05:30",
          "utc": "2029-07-29T15:40:37Z",
          "ms": 1880034036954.3677
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2029-07-28",
          "window": {
            "start": {
              "local": "2029-07-28T20:54:06+05:30",
              "utc": "2029-07-28T15:24:06Z",
              "ms": 1879946645963.1707
            },
            "end": {
              "local": "2029-07-28T20:54:06+05:30",
              "utc": "2029-07-28T15:24:06Z",
              "ms": 1879946645963.1707
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2029-07-29",
          "window": {
            "start": {
              "local": "2029-07-29T21:26:57+05:30",
              "utc": "2029-07-29T15:56:57Z",
              "ms": 1880035017036.917
            },
            "end": {
              "local": "2029-07-29T21:26:57+05:30",
              "utc": "2029-07-29T15:56:57Z",
              "ms": 1880035017036.917
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 19:50 on Sat 28 Jul to 21:11 on Sun 29 Jul.",
          "fact": "2029-07-28T14:20:20Z → 2029-07-29T15:40:37Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:54 on the 28th and 21:27 on the 29th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī 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. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 980 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Ujjain, 2029: Saturday 28 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": "2029-07-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-07-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2029 falls on Saturday 28 July. Caturthī runs from 19:50 on Sat 28 Jul to 21:11 on Sun 29 Jul and is current at moonrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/sankashta-chaturthi?on=2029-07-28",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/ekadashi?on=2029-08-06",
      "festival": "ekadashi",
      "name": "Kāmikā Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-08-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12937,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-08-05T09:34:58+05:30",
          "utc": "2029-08-05T04:04:58Z",
          "ms": 1880597098203.1736
        },
        "end": {
          "local": "2029-08-06T10:33:15+05:30",
          "utc": "2029-08-06T05:03:15Z",
          "ms": 1880686995134.395
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-08-05T09:34:58+05:30",
          "utc": "2029-08-05T04:04:58Z",
          "ms": 1880597098203.1736
        },
        "end": {
          "local": "2029-08-06T10:33:15+05:30",
          "utc": "2029-08-06T05:03:15Z",
          "ms": 1880686995134.395
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-08-05",
          "window": {
            "start": {
              "local": "2029-08-05T05:59:21+05:30",
              "utc": "2029-08-05T00:29:21Z",
              "ms": 1880584161288.1753
            },
            "end": {
              "local": "2029-08-05T05:59:21+05:30",
              "utc": "2029-08-05T00:29:21Z",
              "ms": 1880584161288.1753
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2029-08-06",
          "window": {
            "start": {
              "local": "2029-08-06T05:59:46+05:30",
              "utc": "2029-08-06T00:29:46Z",
              "ms": 1880670586218.0732
            },
            "end": {
              "local": "2029-08-06T05:59:46+05:30",
              "utc": "2029-08-06T00:29:46Z",
              "ms": 1880670586218.0732
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 09:35 on Sun 5 Aug to 10:33 on Mon 6 Aug.",
          "fact": "2029-08-05T04:04:58Z → 2029-08-06T05:03:15Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 05:59 on the 5th and 06:00 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 12937 s"
        },
        {
          "step": "ruling",
          "text": "Kāmikā Ekādaśī, Ujjain, 2029: Monday 6 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": "2029-08-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-08-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Kāmikā Ekādaśī 2029 falls on Monday 6 August. Ekādaśī runs from 09:35 on Sun 5 Aug to 10:33 on Mon 6 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-08-06",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/pradosha-vrata?on=2029-08-07",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-08-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29772,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-08-07T10:48:40+05:30",
          "utc": "2029-08-07T05:18:40Z",
          "ms": 1880774319662.9314
        },
        "end": {
          "local": "2029-08-08T10:20:17+05:30",
          "utc": "2029-08-08T04:50:17Z",
          "ms": 1880859016582.4128
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-08-07T10:48:40+05:30",
          "utc": "2029-08-07T05:18:40Z",
          "ms": 1880774319662.9314
        },
        "end": {
          "local": "2029-08-08T10:20:17+05:30",
          "utc": "2029-08-08T04:50:17Z",
          "ms": 1880859016582.4128
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-08-07",
          "window": {
            "start": {
              "local": "2029-08-07T19:04:51+05:30",
              "utc": "2029-08-07T13:34:51Z",
              "ms": 1880804091261.9858
            },
            "end": {
              "local": "2029-08-07T20:32:17+05:30",
              "utc": "2029-08-07T15:02:17Z",
              "ms": 1880809337166.4185
            }
          },
          "covered_min": 87,
          "window_min": 87,
          "qualifies": true
        },
        {
          "local_date": "2029-08-08",
          "window": {
            "start": {
              "local": "2029-08-08T19:04:11+05:30",
              "utc": "2029-08-08T13:34:11Z",
              "ms": 1880890451126.9714
            },
            "end": {
              "local": "2029-08-08T20:31:46+05:30",
              "utc": "2029-08-08T15:01:46Z",
              "ms": 1880895705632.7727
            }
          },
          "covered_min": 0,
          "window_min": 88,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 10:49 on Tue 7 Aug to 10:20 on Wed 8 Aug.",
          "fact": "2029-08-07T05:18:40Z → 2029-08-08T04:50:17Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 19:05–20:32 on the 7th, 19:04–20:32 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 87 of 87 minutes on the 7th and 0 of 88 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 29772 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2029: Tuesday 7 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": "2029-08-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-08-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2029 falls on Tuesday 7 August. Trayodaśī runs from 10:49 on Tue 7 Aug to 10:20 on Wed 8 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/pradosha-vrata?on=2029-08-07",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/shivaratri?on=2029-08-08",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-08-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29654,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2029-08-08T10:20:17+05:30",
          "utc": "2029-08-08T04:50:17Z",
          "ms": 1880859016582.4128
        },
        "end": {
          "local": "2029-08-09T09:10:50+05:30",
          "utc": "2029-08-09T03:40:50Z",
          "ms": 1880941249655.4521
        },
        "month": {
          "amanta": 3,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Āṣāḍha",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-08-08T10:20:17+05:30",
          "utc": "2029-08-08T04:50:17Z",
          "ms": 1880859016582.4128
        },
        "end": {
          "local": "2029-08-09T09:10:50+05:30",
          "utc": "2029-08-09T03:40:50Z",
          "ms": 1880941249655.4521
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2029-08-07",
          "window": {
            "start": {
              "local": "2029-08-08T00:08:43+05:30",
              "utc": "2029-08-07T18:38:43Z",
              "ms": 1880822323403.6082
            },
            "end": {
              "local": "2029-08-08T00:56:43+05:30",
              "utc": "2029-08-07T19:26:43Z",
              "ms": 1880825203403.6082
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-08-08",
          "window": {
            "start": {
              "local": "2029-08-09T00:08:36+05:30",
              "utc": "2029-08-08T18:38:36Z",
              "ms": 1880908715523.7266
            },
            "end": {
              "local": "2029-08-09T00:56:36+05:30",
              "utc": "2029-08-08T19:26:36Z",
              "ms": 1880911595523.7266
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 10:20 on Wed 8 Aug to 09:11 on Thu 9 Aug.",
          "fact": "2029-08-08T04:50:17Z → 2029-08-09T03:40:50Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:09–00:57 on the 7th, 00:09–00:57 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 29654 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Ujjain, 2029: Wednesday 8 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": "2029-08-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-08-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2029 falls on Wednesday 8 August. Caturdaśī runs from 10:20 on Wed 8 Aug to 09:11 on Thu 9 Aug and covers all of niśītha that night.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/shivaratri?on=2029-08-08",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/madhusrava-tritiya",
      "festival": "madhusrava-tritiya",
      "name": "Madhusravā Tṛtīyā",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-08-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34121,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2029-08-12T02:39:06+05:30",
          "utc": "2029-08-11T21:09:06Z",
          "ms": 1881176945945.3035
        },
        "end": {
          "local": "2029-08-12T23:54:10+05:30",
          "utc": "2029-08-12T18:24:10Z",
          "ms": 1881253449569.9119
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-08-12T02:39:06+05:30",
          "utc": "2029-08-11T21:09:06Z",
          "ms": 1881176945945.3035
        },
        "end": {
          "local": "2029-08-12T23:54:10+05:30",
          "utc": "2029-08-12T18:24:10Z",
          "ms": 1881253449569.9119
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-08-12",
          "window": {
            "start": {
              "local": "2029-08-12T12:07:47+05:30",
              "utc": "2029-08-12T06:37:47Z",
              "ms": 1881211066503.9321
            },
            "end": {
              "local": "2029-08-12T12:55:47+05:30",
              "utc": "2029-08-12T07:25:47Z",
              "ms": 1881213946503.9321
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-08-13",
          "window": {
            "start": {
              "local": "2029-08-13T12:07:36+05:30",
              "utc": "2029-08-13T06:37:36Z",
              "ms": 1881297455882.3416
            },
            "end": {
              "local": "2029-08-13T12:55:36+05:30",
              "utc": "2029-08-13T07:25:36Z",
              "ms": 1881300335882.3416
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 02:39 on Sun 12 Aug to 23:54 on Sun 12 Aug.",
          "fact": "2029-08-11T21:09:06Z → 2029-08-12T18:24:10Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 12th, 12:08–12:56 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 48 of 48 minutes on the 12th and 0 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 34121 s"
        },
        {
          "step": "ruling",
          "text": "Madhusravā Tṛtīyā, Ujjain, 2029: Sunday 12 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": "2029-08-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-08-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Madhusravā Tṛtīyā (Teej) 2029 falls on Sunday 12 August. Tṛtīyā runs from 02:39 on Sun 12 Aug to 23:54 on Sun 12 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/vinayaka-chaturthi?on=2029-08-13",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-08-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29413,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-08-12T23:54:10+05:30",
          "utc": "2029-08-12T18:24:10Z",
          "ms": 1881253449569.9119
        },
        "end": {
          "local": "2029-08-13T21:05:49+05:30",
          "utc": "2029-08-13T15:35:49Z",
          "ms": 1881329749103.875
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-08-12T23:54:10+05:30",
          "utc": "2029-08-12T18:24:10Z",
          "ms": 1881253449569.9119
        },
        "end": {
          "local": "2029-08-13T21:05:49+05:30",
          "utc": "2029-08-13T15:35:49Z",
          "ms": 1881329749103.875
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-08-12",
          "window": {
            "start": {
              "local": "2029-08-12T12:07:47+05:30",
              "utc": "2029-08-12T06:37:47Z",
              "ms": 1881211066503.9321
            },
            "end": {
              "local": "2029-08-12T12:55:47+05:30",
              "utc": "2029-08-12T07:25:47Z",
              "ms": 1881213946503.9321
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-08-13",
          "window": {
            "start": {
              "local": "2029-08-13T12:07:36+05:30",
              "utc": "2029-08-13T06:37:36Z",
              "ms": 1881297455882.3416
            },
            "end": {
              "local": "2029-08-13T12:55:36+05:30",
              "utc": "2029-08-13T07:25:36Z",
              "ms": 1881300335882.3416
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:54 on Sun 12 Aug to 21:06 on Mon 13 Aug.",
          "fact": "2029-08-12T18:24:10Z → 2029-08-13T15:35:49Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 12th, 12:08–12:56 on the 13th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 29413 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Ujjain, 2029: Monday 13 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": "2029-08-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-08-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Vināyaka Caturthī 2029 falls on Monday 13 August. Caturthī runs from 23:54 on Sun 12 Aug to 21:06 on Mon 13 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/vinayaka-chaturthi?on=2029-08-13",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/naga-panchami",
      "festival": "naga-panchami",
      "name": "Nāga Pañcamī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-08-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19562,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2029-08-13T21:05:49+05:30",
          "utc": "2029-08-13T15:35:49Z",
          "ms": 1881329749103.875
        },
        "end": {
          "local": "2029-08-14T18:21:27+05:30",
          "utc": "2029-08-14T12:51:27Z",
          "ms": 1881406287110.0237
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-08-13T21:05:49+05:30",
          "utc": "2029-08-13T15:35:49Z",
          "ms": 1881329749103.875
        },
        "end": {
          "local": "2029-08-14T18:21:27+05:30",
          "utc": "2029-08-14T12:51:27Z",
          "ms": 1881406287110.0237
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-08-13",
          "window": {
            "start": {
              "local": "2029-08-13T12:07:36+05:30",
              "utc": "2029-08-13T06:37:36Z",
              "ms": 1881297455882.3416
            },
            "end": {
              "local": "2029-08-13T12:55:36+05:30",
              "utc": "2029-08-13T07:25:36Z",
              "ms": 1881300335882.3416
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-08-14",
          "window": {
            "start": {
              "local": "2029-08-14T12:07:25+05:30",
              "utc": "2029-08-14T06:37:25Z",
              "ms": 1881383844703.2168
            },
            "end": {
              "local": "2029-08-14T12:55:25+05:30",
              "utc": "2029-08-14T07:25:25Z",
              "ms": 1881386724703.2168
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 21:06 on Mon 13 Aug to 18:21 on Tue 14 Aug.",
          "fact": "2029-08-13T15:35:49Z → 2029-08-14T12:51:27Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 13th, 12:07–12:55 on the 14th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 19562 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī, Ujjain, 2029: Tuesday 14 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": "2029-08-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-08-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Nāga Pañcamī 2029 falls on Tuesday 14 August. Pañcamī runs from 21:06 on Mon 13 Aug to 18:21 on Tue 14 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/ekadashi?on=2029-08-20",
      "festival": "ekadashi",
      "name": "Putradā Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-08-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5086,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-08-19T08:27:46+05:30",
          "utc": "2029-08-19T02:57:46Z",
          "ms": 1881802665770.1194
        },
        "end": {
          "local": "2029-08-20T07:29:58+05:30",
          "utc": "2029-08-20T01:59:58Z",
          "ms": 1881885598412.912
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-08-19T08:27:46+05:30",
          "utc": "2029-08-19T02:57:46Z",
          "ms": 1881802665770.1194
        },
        "end": {
          "local": "2029-08-20T07:29:58+05:30",
          "utc": "2029-08-20T01:59:58Z",
          "ms": 1881885598412.912
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-08-19",
          "window": {
            "start": {
              "local": "2029-08-19T06:04:51+05:30",
              "utc": "2029-08-19T00:34:51Z",
              "ms": 1881794090942.5164
            },
            "end": {
              "local": "2029-08-19T06:04:51+05:30",
              "utc": "2029-08-19T00:34:51Z",
              "ms": 1881794090942.5164
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2029-08-20",
          "window": {
            "start": {
              "local": "2029-08-20T06:05:13+05:30",
              "utc": "2029-08-20T00:35:13Z",
              "ms": 1881880512675.5464
            },
            "end": {
              "local": "2029-08-20T06:05:13+05:30",
              "utc": "2029-08-20T00:35:13Z",
              "ms": 1881880512675.5464
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 08:28 on Sun 19 Aug to 07:30 on Mon 20 Aug.",
          "fact": "2029-08-19T02:57:46Z → 2029-08-20T01:59:58Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:05 on the 19th and 06:05 on the 20th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 19th and is on the 20th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 5086 s"
        },
        {
          "step": "ruling",
          "text": "Putradā Ekādaśī, Ujjain, 2029: Monday 20 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": "2029-08-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-08-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Putradā Ekādaśī 2029 falls on Monday 20 August. Ekādaśī runs from 08:28 on Sun 19 Aug to 07:30 on Mon 20 Aug and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-08-20",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/damodara-dvadashi",
      "festival": "damodara-dvadashi",
      "name": "Dāmodara Dvādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-08-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16568,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2029-08-20T07:29:58+05:30",
          "utc": "2029-08-20T01:59:58Z",
          "ms": 1881885598412.912
        },
        "end": {
          "local": "2029-08-21T06:53:44+05:30",
          "utc": "2029-08-21T01:23:44Z",
          "ms": 1881969824399.6814
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-08-20T07:29:58+05:30",
          "utc": "2029-08-20T01:59:58Z",
          "ms": 1881885598412.912
        },
        "end": {
          "local": "2029-08-21T06:53:44+05:30",
          "utc": "2029-08-21T01:23:44Z",
          "ms": 1881969824399.6814
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-08-20",
          "window": {
            "start": {
              "local": "2029-08-20T12:06:06+05:30",
              "utc": "2029-08-20T06:36:06Z",
              "ms": 1881902166381.892
            },
            "end": {
              "local": "2029-08-20T12:54:06+05:30",
              "utc": "2029-08-20T07:24:06Z",
              "ms": 1881905046381.892
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-08-21",
          "window": {
            "start": {
              "local": "2029-08-21T12:05:52+05:30",
              "utc": "2029-08-21T06:35:52Z",
              "ms": 1881988551562.1938
            },
            "end": {
              "local": "2029-08-21T12:53:52+05:30",
              "utc": "2029-08-21T07:23:52Z",
              "ms": 1881991431562.1938
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 07:30 on Mon 20 Aug to 06:54 on Tue 21 Aug.",
          "fact": "2029-08-20T01:59:58Z → 2029-08-21T01:23:44Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 20th, 12:06–12:54 on the 21st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 20th and 0 of 48 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 16568 s"
        },
        {
          "step": "ruling",
          "text": "Dāmodara Dvādaśī, Ujjain, 2029: Monday 20 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": "2029-08-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-08-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Dāmodara Dvādaśī 2029 falls on Monday 20 August. Dvādaśī runs from 07:30 on Mon 20 Aug to 06:54 on Tue 21 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/pradosha-vrata?on=2029-08-21",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-08-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36947,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-08-21T06:53:44+05:30",
          "utc": "2029-08-21T01:23:44Z",
          "ms": 1881969824399.6814
        },
        "end": {
          "local": "2029-08-22T06:39:30+05:30",
          "utc": "2029-08-22T01:09:30Z",
          "ms": 1882055369813.8389
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-08-21T06:53:44+05:30",
          "utc": "2029-08-21T01:23:44Z",
          "ms": 1881969824399.6814
        },
        "end": {
          "local": "2029-08-22T06:39:30+05:30",
          "utc": "2029-08-22T01:09:30Z",
          "ms": 1882055369813.8389
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-08-20",
          "window": {
            "start": {
              "local": "2029-08-20T18:55:00+05:30",
              "utc": "2029-08-20T13:25:00Z",
              "ms": 1881926700088.2375
            },
            "end": {
              "local": "2029-08-20T20:24:25+05:30",
              "utc": "2029-08-20T14:54:25Z",
              "ms": 1881932064631.8037
            }
          },
          "covered_min": 0,
          "window_min": 89,
          "qualifies": false
        },
        {
          "local_date": "2029-08-21",
          "window": {
            "start": {
              "local": "2029-08-21T18:54:09+05:30",
              "utc": "2029-08-21T13:24:09Z",
              "ms": 1882013048959.4036
            },
            "end": {
              "local": "2029-08-21T20:23:43+05:30",
              "utc": "2029-08-21T14:53:43Z",
              "ms": 1882018423153.8188
            }
          },
          "covered_min": 90,
          "window_min": 90,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 06:54 on Tue 21 Aug to 06:39 on Wed 22 Aug.",
          "fact": "2029-08-21T01:23:44Z → 2029-08-22T01:09:30Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:55–20:24 on the 20th, 18:54–20:24 on the 21st.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 89 minutes on the 20th and 90 of 90 on the 21st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 36947 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Ujjain, 2029: Tuesday 21 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": "2029-08-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-08-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śukla Pradoṣa Vrata 2029 falls on Tuesday 21 August. Trayodaśī runs from 06:54 on Tue 21 Aug to 06:39 on Wed 22 Aug and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/pradosha-vrata?on=2029-08-21",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/raksha-bandhana",
      "festival": "raksha-bandhana",
      "name": "Rakṣā Bandhana",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-08-23",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 4477,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2029-08-23T06:48:12+05:30",
          "utc": "2029-08-23T01:18:12Z",
          "ms": 1882142292100.39
        },
        "end": {
          "local": "2029-08-24T07:21:14+05:30",
          "utc": "2029-08-24T01:51:14Z",
          "ms": 1882230674187.9595
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "second-half",
        "start": {
          "local": "2029-08-23T19:01:35+05:30",
          "utc": "2029-08-23T13:31:35Z",
          "ms": 1882186295072.418
        },
        "end": {
          "local": "2029-08-24T07:21:14+05:30",
          "utc": "2029-08-24T01:51:14Z",
          "ms": 1882230674187.9595
        }
      },
      "kaala": "day",
      "days": [
        {
          "local_date": "2029-08-23",
          "window": {
            "start": {
              "local": "2029-08-23T06:06:16+05:30",
              "utc": "2029-08-23T00:36:16Z",
              "ms": 1882139776440.9956
            },
            "end": {
              "local": "2029-08-24T06:06:37+05:30",
              "utc": "2029-08-24T00:36:37Z",
              "ms": 1882226197244.162
            }
          },
          "covered_min": 665,
          "window_min": 1440,
          "qualifies": true
        },
        {
          "local_date": "2029-08-24",
          "window": {
            "start": {
              "local": "2029-08-24T06:06:37+05:30",
              "utc": "2029-08-24T00:36:37Z",
              "ms": 1882226197244.162
            },
            "end": {
              "local": "2029-08-25T06:06:58+05:30",
              "utc": "2029-08-25T00:36:58Z",
              "ms": 1882312617836.4075
            }
          },
          "covered_min": 75,
          "window_min": 1440,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 06:48 on Thu 23 Aug to 07:21 on Fri 24 Aug. Its second half begins at 19:02 on Thu 23 Aug.",
          "fact": "2029-08-23T01:18:12Z → 2029-08-24T01:51:14Z · second half from 2029-08-23T13:31:35Z"
        },
        {
          "step": "kaala",
          "text": "The day runs from sunrise to the next sunrise: from 06:06 on the 23rd, and from 06:07 on the 24th.",
          "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 665 of 1440 minutes on the 23rd and 75 of 1440 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Both days qualify and the rule marks neither. The one covered longer is ruled, as a boundary.",
          "fact": "priority: unstated → greater-coverage · margin 4477 s"
        },
        {
          "step": "ruling",
          "text": "Rakṣā Bandhana, Ujjain, 2029: Thursday 23 August.",
          "fact": "confidence: boundary (tie-break-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "raksha-bandhana",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 15 Rakhi purnima, Naroli purnima (Cocoanut day), Raksa Bandhana (in the second half of purnima), Rsi tarpana (madhyahna vyapini), Hayagriva utpatti, Jhulanayatra samapana"
          }
        ],
        "kaala": "day",
        "priority": "unstated",
        "when_absent": "unstated",
        "half": "second"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-08-23",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-08-23",
          "confidence": "boundary"
        }
      ],
      "quote": "In Ujjain, Rakṣā Bandhana (Rakhi) 2029 falls on Thursday 23 August. The second half of Pūrṇimā runs from 19:02 on Thu 23 Aug to 07:21 on Fri 24 Aug and falls on two days: 665 minutes of it on the 23rd, 75 on the 24th; the rule does not say which to take, and the day that holds more of it is ruled: treat the date as contested.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/rishi-tarpana",
      "festival": "rishi-tarpana",
      "name": "Ṛṣi Tarpaṇa",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-08-23",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 17030,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2029-08-23T06:48:12+05:30",
          "utc": "2029-08-23T01:18:12Z",
          "ms": 1882142292100.39
        },
        "end": {
          "local": "2029-08-24T07:21:14+05:30",
          "utc": "2029-08-24T01:51:14Z",
          "ms": 1882230674187.9595
        },
        "month": {
          "amanta": 4,
          "purnimanta": 4,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Śrāvaṇa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-08-23T06:48:12+05:30",
          "utc": "2029-08-23T01:18:12Z",
          "ms": 1882142292100.39
        },
        "end": {
          "local": "2029-08-24T07:21:14+05:30",
          "utc": "2029-08-24T01:51:14Z",
          "ms": 1882230674187.9595
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-08-23",
          "window": {
            "start": {
              "local": "2029-08-23T12:05:21+05:30",
              "utc": "2029-08-23T06:35:21Z",
              "ms": 1882161320540.892
            },
            "end": {
              "local": "2029-08-23T12:53:21+05:30",
              "utc": "2029-08-23T07:23:21Z",
              "ms": 1882164200540.892
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-08-24",
          "window": {
            "start": {
              "local": "2029-08-24T12:05:04+05:30",
              "utc": "2029-08-24T06:35:04Z",
              "ms": 1882247704372.9067
            },
            "end": {
              "local": "2029-08-24T12:53:04+05:30",
              "utc": "2029-08-24T07:23:04Z",
              "ms": 1882250584372.9067
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 06:48 on Thu 23 Aug to 07:21 on Fri 24 Aug.",
          "fact": "2029-08-23T01:18:12Z → 2029-08-24T01:51:14Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 23rd, 12:05–12:53 on the 24th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 17030 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Tarpaṇa, Ujjain, 2029: Thursday 23 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": "2029-08-23",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-08-23",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Ṛṣi Tarpaṇa 2029 falls on Thursday 23 August. Pūrṇimā runs from 06:48 on Thu 23 Aug to 07:21 on Fri 24 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/ashunya-shayana-vrata",
      "festival": "ashunya-shayana-vrata",
      "name": "Aśūnya Śayana Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-08-25",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 36856,
      "anga": {
        "type": "tithi",
        "index": 16,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2029-08-25T08:19:58+05:30",
          "utc": "2029-08-25T02:49:58Z",
          "ms": 1882320598189.541
        },
        "end": {
          "local": "2029-08-26T09:45:00+05:30",
          "utc": "2029-08-26T04:15:00Z",
          "ms": 1882412100414.1572
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-08-25T08:19:58+05:30",
          "utc": "2029-08-25T02:49:58Z",
          "ms": 1882320598189.541
        },
        "end": {
          "local": "2029-08-26T09:45:00+05:30",
          "utc": "2029-08-26T04:15:00Z",
          "ms": 1882412100414.1572
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2029-08-25",
          "window": {
            "start": {
              "local": "2029-08-25T19:26:26+05:30",
              "utc": "2029-08-25T13:56:26Z",
              "ms": 1882360586293.8088
            },
            "end": {
              "local": "2029-08-25T19:26:26+05:30",
              "utc": "2029-08-25T13:56:26Z",
              "ms": 1882360586293.8088
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2029-08-26",
          "window": {
            "start": {
              "local": "2029-08-26T19:59:17+05:30",
              "utc": "2029-08-26T14:29:17Z",
              "ms": 1882448956653.2622
            },
            "end": {
              "local": "2029-08-26T19:59:17+05:30",
              "utc": "2029-08-26T14:29:17Z",
              "ms": 1882448956653.2622
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 08:20 on Sat 25 Aug to 09:45 on Sun 26 Aug.",
          "fact": "2029-08-25T02:49:58Z → 2029-08-26T04:15:00Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:26 on the 25th and 19:59 on the 26th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Dvitīyā 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. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 36856 s"
        },
        {
          "step": "ruling",
          "text": "Aśūnya Śayana Vrata, Ujjain, 2029: Saturday 25 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": "2029-08-25",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-08-25",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Aśūnya Śayana Vrata 2029 falls on Saturday 25 August. Dvitīyā runs from 08:20 on Sat 25 Aug to 09:45 on Sun 26 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/kajjali-tritiya",
      "festival": "kajjali-tritiya",
      "name": "Kajjalī Tṛtīyā",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-08-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1740,
      "anga": {
        "type": "tithi",
        "index": 17,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2029-08-26T09:45:00+05:30",
          "utc": "2029-08-26T04:15:00Z",
          "ms": 1882412100414.1572
        },
        "end": {
          "local": "2029-08-27T11:35:14+05:30",
          "utc": "2029-08-27T06:05:14Z",
          "ms": 1882505113692.4768
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-08-26T09:45:00+05:30",
          "utc": "2029-08-26T04:15:00Z",
          "ms": 1882412100414.1572
        },
        "end": {
          "local": "2029-08-27T11:35:14+05:30",
          "utc": "2029-08-27T06:05:14Z",
          "ms": 1882505113692.4768
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-08-26",
          "window": {
            "start": {
              "local": "2029-08-26T12:04:31+05:30",
              "utc": "2029-08-26T06:34:31Z",
              "ms": 1882420470809.5767
            },
            "end": {
              "local": "2029-08-26T12:52:31+05:30",
              "utc": "2029-08-26T07:22:31Z",
              "ms": 1882423350809.5767
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-08-27",
          "window": {
            "start": {
              "local": "2029-08-27T12:04:13+05:30",
              "utc": "2029-08-27T06:34:13Z",
              "ms": 1882506853449.8164
            },
            "end": {
              "local": "2029-08-27T12:52:13+05:30",
              "utc": "2029-08-27T07:22:13Z",
              "ms": 1882509733449.8164
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 09:45 on Sun 26 Aug to 11:35 on Mon 27 Aug.",
          "fact": "2029-08-26T04:15:00Z → 2029-08-27T06:05:14Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:05–12:53 on the 26th, 12:04–12:52 on the 27th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Tṛtīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 1740 s"
        },
        {
          "step": "ruling",
          "text": "Kajjalī Tṛtīyā, Ujjain, 2029: Sunday 26 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": "2029-08-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-08-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Kajjalī Tṛtīyā (Kajari Teej) 2029 falls on Sunday 26 August. Tṛtīyā runs from 09:45 on Sun 26 Aug to 11:35 on Mon 27 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/bahula-chaturthi",
      "festival": "bahula-chaturthi",
      "name": "Bahulā Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-08-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8945,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-08-27T11:35:14+05:30",
          "utc": "2029-08-27T06:05:14Z",
          "ms": 1882505113692.4768
        },
        "end": {
          "local": "2029-08-28T13:46:49+05:30",
          "utc": "2029-08-28T08:16:49Z",
          "ms": 1882599408700.553
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-08-27T11:35:14+05:30",
          "utc": "2029-08-27T06:05:14Z",
          "ms": 1882505113692.4768
        },
        "end": {
          "local": "2029-08-28T13:46:49+05:30",
          "utc": "2029-08-28T08:16:49Z",
          "ms": 1882599408700.553
        }
      },
      "kaala": "sayahna",
      "days": [
        {
          "local_date": "2029-08-27",
          "window": {
            "start": {
              "local": "2029-08-27T16:16:34+05:30",
              "utc": "2029-08-27T10:46:34Z",
              "ms": 1882521994463.165
            },
            "end": {
              "local": "2029-08-27T18:48:48+05:30",
              "utc": "2029-08-27T13:18:48Z",
              "ms": 1882531128472.0642
            }
          },
          "covered_min": 152,
          "window_min": 152,
          "qualifies": true
        },
        {
          "local_date": "2029-08-28",
          "window": {
            "start": {
              "local": "2029-08-28T16:15:54+05:30",
              "utc": "2029-08-28T10:45:54Z",
              "ms": 1882608354097.595
            },
            "end": {
              "local": "2029-08-28T18:47:53+05:30",
              "utc": "2029-08-28T13:17:53Z",
              "ms": 1882617473010.3323
            }
          },
          "covered_min": 0,
          "window_min": 152,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:35 on Mon 27 Aug to 13:47 on Tue 28 Aug.",
          "fact": "2029-08-27T06:05:14Z → 2029-08-28T08:16:49Z"
        },
        {
          "step": "kaala",
          "text": "Sāyāhna is last 3 of 15 day muhūrtas: 16:17–18:49 on the 27th, 16:16–18:48 on the 28th.",
          "fact": "sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during sāyāhna. It covers 152 of 152 minutes on the 27th and 0 of 152 on the 28th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one late afternoon qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 8945 s"
        },
        {
          "step": "ruling",
          "text": "Bahulā Caturthī, Ujjain, 2029: Monday 27 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": "2029-08-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-08-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Bahulā Caturthī 2029 falls on Monday 27 August. Caturthī runs from 11:35 on Mon 27 Aug to 13:47 on Tue 28 Aug and covers all of sāyāhna that late afternoon.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/sankashta-chaturthi?on=2029-08-27",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-08-27",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26441,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-08-27T11:35:14+05:30",
          "utc": "2029-08-27T06:05:14Z",
          "ms": 1882505113692.4768
        },
        "end": {
          "local": "2029-08-28T13:46:49+05:30",
          "utc": "2029-08-28T08:16:49Z",
          "ms": 1882599408700.553
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-08-27T11:35:14+05:30",
          "utc": "2029-08-27T06:05:14Z",
          "ms": 1882505113692.4768
        },
        "end": {
          "local": "2029-08-28T13:46:49+05:30",
          "utc": "2029-08-28T08:16:49Z",
          "ms": 1882599408700.553
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2029-08-27",
          "window": {
            "start": {
              "local": "2029-08-27T20:32:39+05:30",
              "utc": "2029-08-27T15:02:39Z",
              "ms": 1882537358550.2747
            },
            "end": {
              "local": "2029-08-27T20:32:39+05:30",
              "utc": "2029-08-27T15:02:39Z",
              "ms": 1882537358550.2747
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2029-08-28",
          "window": {
            "start": {
              "local": "2029-08-28T21:07:30+05:30",
              "utc": "2029-08-28T15:37:30Z",
              "ms": 1882625850022.3516
            },
            "end": {
              "local": "2029-08-28T21:07:30+05:30",
              "utc": "2029-08-28T15:37:30Z",
              "ms": 1882625850022.3516
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 11:35 on Mon 27 Aug to 13:47 on Tue 28 Aug.",
          "fact": "2029-08-27T06:05:14Z → 2029-08-28T08:16:49Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:33 on the 27th and 21:08 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 26441 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Ujjain, 2029: Monday 27 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": "2029-08-27",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-08-27",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2029 falls on Monday 27 August. Caturthī runs from 11:35 on Mon 27 Aug to 13:47 on Tue 28 Aug and is current at moonrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/sankashta-chaturthi?on=2029-08-27",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/hala-shashthi",
      "festival": "hala-shashthi",
      "name": "Hala Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-08-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12055,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2029-08-29T16:12:33+05:30",
          "utc": "2029-08-29T10:42:33Z",
          "ms": 1882694552539.0703
        },
        "end": {
          "local": "2029-08-30T18:41:47+05:30",
          "utc": "2029-08-30T13:11:47Z",
          "ms": 1882789906538.0269
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-08-29T16:12:33+05:30",
          "utc": "2029-08-29T10:42:33Z",
          "ms": 1882694552539.0703
        },
        "end": {
          "local": "2029-08-30T18:41:47+05:30",
          "utc": "2029-08-30T13:11:47Z",
          "ms": 1882789906538.0269
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-08-29",
          "window": {
            "start": {
              "local": "2029-08-29T12:03:38+05:30",
              "utc": "2029-08-29T06:33:38Z",
              "ms": 1882679617663.4531
            },
            "end": {
              "local": "2029-08-29T12:51:38+05:30",
              "utc": "2029-08-29T07:21:38Z",
              "ms": 1882682497663.4531
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-08-30",
          "window": {
            "start": {
              "local": "2029-08-30T12:03:19+05:30",
              "utc": "2029-08-30T06:33:19Z",
              "ms": 1882765999272.5137
            },
            "end": {
              "local": "2029-08-30T12:51:19+05:30",
              "utc": "2029-08-30T07:21:19Z",
              "ms": 1882768879272.5137
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 16:13 on Wed 29 Aug to 18:42 on Thu 30 Aug.",
          "fact": "2029-08-29T10:42:33Z → 2029-08-30T13:11:47Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 29th, 12:03–12:51 on the 30th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 12055 s"
        },
        {
          "step": "ruling",
          "text": "Hala Ṣaṣṭhī, Ujjain, 2029: Thursday 30 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": "2029-08-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-08-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Hala Ṣaṣṭhī 2029 falls on Thursday 30 August. Ṣaṣṭhī runs from 16:13 on Wed 29 Aug to 18:42 on Thu 30 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/janmashtami",
      "festival": "janmashtami",
      "name": "Janmāṣṭamī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-08-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3936,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2029-08-31T21:01:20+05:30",
          "utc": "2029-08-31T15:31:20Z",
          "ms": 1882884679632.1338
        },
        "end": {
          "local": "2029-09-01T22:57:15+05:30",
          "utc": "2029-09-01T17:27:15Z",
          "ms": 1882978035004.8892
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-08-31T21:01:20+05:30",
          "utc": "2029-08-31T15:31:20Z",
          "ms": 1882884679632.1338
        },
        "end": {
          "local": "2029-09-01T22:57:15+05:30",
          "utc": "2029-09-01T17:27:15Z",
          "ms": 1882978035004.8892
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2029-08-31",
          "window": {
            "start": {
              "local": "2029-09-01T00:03:10+05:30",
              "utc": "2029-08-31T18:33:10Z",
              "ms": 1882895590271.7798
            },
            "end": {
              "local": "2029-09-01T00:51:10+05:30",
              "utc": "2029-08-31T19:21:10Z",
              "ms": 1882898470271.7798
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-09-01",
          "window": {
            "start": {
              "local": "2029-09-02T00:02:51+05:30",
              "utc": "2029-09-01T18:32:51Z",
              "ms": 1882981971216.912
            },
            "end": {
              "local": "2029-09-02T00:50:51+05:30",
              "utc": "2029-09-01T19:20:51Z",
              "ms": 1882984851216.912
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 21:01 on Fri 31 Aug to 22:57 on Sat 1 Sep.",
          "fact": "2029-08-31T15:31:20Z → 2029-09-01T17:27:15Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:03–00:51 on the 31st, 00:03–00:51 on the 1st.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during niśītha. It covers 48 of 48 minutes on the 31st and 0 of 48 on the 1st.",
          "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 3936 s"
        },
        {
          "step": "ruling",
          "text": "Janmāṣṭamī, Ujjain, 2029: Friday 31 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": "2029-08-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-08-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Janmāṣṭamī (Krishna Janmashtami) 2029 falls on Friday 31 August. Aṣṭamī runs from 21:01 on Fri 31 Aug to 22:57 on Sat 1 Sep and covers all of niśītha that night.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/shitala-saptami",
      "festival": "shitala-saptami",
      "name": "Śītalā Saptamī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-08-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21027,
      "anga": {
        "type": "tithi",
        "index": 21,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2029-08-30T18:41:47+05:30",
          "utc": "2029-08-30T13:11:47Z",
          "ms": 1882789906538.0269
        },
        "end": {
          "local": "2029-08-31T21:01:20+05:30",
          "utc": "2029-08-31T15:31:20Z",
          "ms": 1882884679632.1338
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-08-30T18:41:47+05:30",
          "utc": "2029-08-30T13:11:47Z",
          "ms": 1882789906538.0269
        },
        "end": {
          "local": "2029-08-31T21:01:20+05:30",
          "utc": "2029-08-31T15:31:20Z",
          "ms": 1882884679632.1338
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-08-30",
          "window": {
            "start": {
              "local": "2029-08-30T12:03:19+05:30",
              "utc": "2029-08-30T06:33:19Z",
              "ms": 1882765999272.5137
            },
            "end": {
              "local": "2029-08-30T12:51:19+05:30",
              "utc": "2029-08-30T07:21:19Z",
              "ms": 1882768879272.5137
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-08-31",
          "window": {
            "start": {
              "local": "2029-08-31T12:03:01+05:30",
              "utc": "2029-08-31T06:33:01Z",
              "ms": 1882852380573.4028
            },
            "end": {
              "local": "2029-08-31T12:51:01+05:30",
              "utc": "2029-08-31T07:21:01Z",
              "ms": 1882855260573.4028
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 18:42 on Thu 30 Aug to 21:01 on Fri 31 Aug.",
          "fact": "2029-08-30T13:11:47Z → 2029-08-31T15:31:20Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:03–12:51 on the 30th, 12:03–12:51 on the 31st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 31st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 21027 s"
        },
        {
          "step": "ruling",
          "text": "Śītalā Saptamī, Ujjain, 2029: Friday 31 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": "2029-08-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-08-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śītalā Saptamī 2029 falls on Friday 31 August. Saptamī runs from 18:42 on Thu 30 Aug to 21:01 on Fri 31 Aug and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/ekadashi?on=2029-09-04",
      "festival": "ekadashi",
      "name": "Ajā Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-09-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19117,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-09-04T00:51:37+05:30",
          "utc": "2029-09-03T19:21:37Z",
          "ms": 1883157697425.8967
        },
        "end": {
          "local": "2029-09-05T00:36:25+05:30",
          "utc": "2029-09-04T19:06:25Z",
          "ms": 1883243184820.3215
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-09-04T00:51:37+05:30",
          "utc": "2029-09-03T19:21:37Z",
          "ms": 1883157697425.8967
        },
        "end": {
          "local": "2029-09-05T00:36:25+05:30",
          "utc": "2029-09-04T19:06:25Z",
          "ms": 1883243184820.3215
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-09-04",
          "window": {
            "start": {
              "local": "2029-09-04T06:10:14+05:30",
              "utc": "2029-09-04T00:40:14Z",
              "ms": 1883176814363.1108
            },
            "end": {
              "local": "2029-09-04T06:10:14+05:30",
              "utc": "2029-09-04T00:40:14Z",
              "ms": 1883176814363.1108
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2029-09-05",
          "window": {
            "start": {
              "local": "2029-09-05T06:10:33+05:30",
              "utc": "2029-09-05T00:40:33Z",
              "ms": 1883263233295.628
            },
            "end": {
              "local": "2029-09-05T06:10:33+05:30",
              "utc": "2029-09-05T00:40:33Z",
              "ms": 1883263233295.628
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 00:52 on Tue 4 Sep to 00:36 on Wed 5 Sep.",
          "fact": "2029-09-03T19:21:37Z → 2029-09-04T19:06:25Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:10 on the 4th and 06:11 on the 5th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 4th and is not on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 19117 s"
        },
        {
          "step": "ruling",
          "text": "Ajā Ekādaśī, Ujjain, 2029: Tuesday 4 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-09-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-09-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Ajā Ekādaśī 2029 falls on Tuesday 4 September. Ekādaśī runs from 00:52 on Tue 4 Sep to 00:36 on Wed 5 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-09-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/pradosha-vrata?on=2029-09-06",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-09-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5376,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-09-05T23:31:31+05:30",
          "utc": "2029-09-05T18:01:31Z",
          "ms": 1883325691162.8477
        },
        "end": {
          "local": "2029-09-06T21:41:05+05:30",
          "utc": "2029-09-06T16:11:05Z",
          "ms": 1883405465360.0125
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-09-05T23:31:31+05:30",
          "utc": "2029-09-05T18:01:31Z",
          "ms": 1883325691162.8477
        },
        "end": {
          "local": "2029-09-06T21:41:05+05:30",
          "utc": "2029-09-06T16:11:05Z",
          "ms": 1883405465360.0125
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-09-05",
          "window": {
            "start": {
              "local": "2029-09-05T18:40:13+05:30",
              "utc": "2029-09-05T13:10:13Z",
              "ms": 1883308212834.8208
            },
            "end": {
              "local": "2029-09-05T20:12:18+05:30",
              "utc": "2029-09-05T14:42:18Z",
              "ms": 1883313738074.7898
            }
          },
          "covered_min": 0,
          "window_min": 92,
          "qualifies": false
        },
        {
          "local_date": "2029-09-06",
          "window": {
            "start": {
              "local": "2029-09-06T18:39:14+05:30",
              "utc": "2029-09-06T13:09:14Z",
              "ms": 1883394553622.9016
            },
            "end": {
              "local": "2029-09-06T20:11:29+05:30",
              "utc": "2029-09-06T14:41:29Z",
              "ms": 1883400089258.237
            }
          },
          "covered_min": 92,
          "window_min": 92,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 23:32 on Wed 5 Sep to 21:41 on Thu 6 Sep.",
          "fact": "2029-09-05T18:01:31Z → 2029-09-06T16:11:05Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:40–20:12 on the 5th, 18:39–20:11 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 0 of 92 minutes on the 5th and 92 of 92 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 5376 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2029: Thursday 6 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": "2029-09-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-09-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2029 falls on Thursday 6 September. Trayodaśī runs from 23:32 on Wed 5 Sep to 21:41 on Thu 6 Sep and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/pradosha-vrata?on=2029-09-06",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/shivaratri?on=2029-09-06",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-09-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8407,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2029-09-06T21:41:05+05:30",
          "utc": "2029-09-06T16:11:05Z",
          "ms": 1883405465360.0125
        },
        "end": {
          "local": "2029-09-07T19:12:19+05:30",
          "utc": "2029-09-07T13:42:19Z",
          "ms": 1883482939048.8696
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-09-06T21:41:05+05:30",
          "utc": "2029-09-06T16:11:05Z",
          "ms": 1883405465360.0125
        },
        "end": {
          "local": "2029-09-07T19:12:19+05:30",
          "utc": "2029-09-07T13:42:19Z",
          "ms": 1883482939048.8696
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2029-09-06",
          "window": {
            "start": {
              "local": "2029-09-07T00:01:12+05:30",
              "utc": "2029-09-06T18:31:12Z",
              "ms": 1883413872255.4097
            },
            "end": {
              "local": "2029-09-07T00:49:12+05:30",
              "utc": "2029-09-06T19:19:12Z",
              "ms": 1883416752255.4097
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-09-07",
          "window": {
            "start": {
              "local": "2029-09-08T00:00:52+05:30",
              "utc": "2029-09-07T18:30:52Z",
              "ms": 1883500251838.3506
            },
            "end": {
              "local": "2029-09-08T00:48:52+05:30",
              "utc": "2029-09-07T19:18:52Z",
              "ms": 1883503131838.3506
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 21:41 on Thu 6 Sep to 19:12 on Fri 7 Sep.",
          "fact": "2029-09-06T16:11:05Z → 2029-09-07T13:42:19Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 00:01–00:49 on the 6th, 00:01–00:49 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 8407 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Ujjain, 2029: Thursday 6 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": "2029-09-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-09-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2029 falls on Thursday 6 September. Caturdaśī runs from 21:41 on Thu 6 Sep to 19:12 on Fri 7 Sep and covers all of niśītha that night.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/shivaratri?on=2029-09-06",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/aghora-chaturdashi",
      "festival": "aghora-chaturdashi",
      "name": "Aghora Caturdaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-09-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2045,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2029-09-06T21:41:05+05:30",
          "utc": "2029-09-06T16:11:05Z",
          "ms": 1883405465360.0125
        },
        "end": {
          "local": "2029-09-07T19:12:19+05:30",
          "utc": "2029-09-07T13:42:19Z",
          "ms": 1883482939048.8696
        },
        "month": {
          "amanta": 4,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Śrāvaṇa",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-09-06T21:41:05+05:30",
          "utc": "2029-09-06T16:11:05Z",
          "ms": 1883405465360.0125
        },
        "end": {
          "local": "2029-09-07T19:12:19+05:30",
          "utc": "2029-09-07T13:42:19Z",
          "ms": 1883482939048.8696
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-09-06",
          "window": {
            "start": {
              "local": "2029-09-06T18:39:14+05:30",
              "utc": "2029-09-06T13:09:14Z",
              "ms": 1883394553622.9016
            },
            "end": {
              "local": "2029-09-06T20:11:29+05:30",
              "utc": "2029-09-06T14:41:29Z",
              "ms": 1883400089258.237
            }
          },
          "covered_min": 0,
          "window_min": 92,
          "qualifies": false
        },
        {
          "local_date": "2029-09-07",
          "window": {
            "start": {
              "local": "2029-09-07T18:38:14+05:30",
              "utc": "2029-09-07T13:08:14Z",
              "ms": 1883480894113.6877
            },
            "end": {
              "local": "2029-09-07T20:10:40+05:30",
              "utc": "2029-09-07T14:40:40Z",
              "ms": 1883486440173.598
            }
          },
          "covered_min": 34,
          "window_min": 92,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 21:41 on Thu 6 Sep to 19:12 on Fri 7 Sep.",
          "fact": "2029-09-06T16:11:05Z → 2029-09-07T13:42:19Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:39–20:11 on the 6th, 18:38–20:11 on the 7th.",
          "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 92 minutes on the 6th and 34 of 92 on the 7th.",
          "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 2045 s"
        },
        {
          "step": "ruling",
          "text": "Aghora Caturdaśī, Ujjain, 2029: Friday 7 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": "2029-09-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-09-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Aghora Caturdaśī 2029 falls on Friday 7 September. Caturdaśī runs from 21:41 on Thu 6 Sep to 19:12 on Fri 7 Sep and covers 34 of 92 minutes of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/rudra-vrata",
      "festival": "rudra-vrata",
      "name": "Rudra Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-09-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 573,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2029-09-08T16:14:24+05:30",
          "utc": "2029-09-08T10:44:24Z",
          "ms": 1883558663541.5122
        },
        "end": {
          "local": "2029-09-09T12:57:34+05:30",
          "utc": "2029-09-09T07:27:34Z",
          "ms": 1883633254493.2542
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-09-08T16:14:24+05:30",
          "utc": "2029-09-08T10:44:24Z",
          "ms": 1883558663541.5122
        },
        "end": {
          "local": "2029-09-09T12:57:34+05:30",
          "utc": "2029-09-09T07:27:34Z",
          "ms": 1883633254493.2542
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-09-08",
          "window": {
            "start": {
              "local": "2029-09-08T12:00:22+05:30",
              "utc": "2029-09-08T06:30:22Z",
              "ms": 1883543421946.1704
            },
            "end": {
              "local": "2029-09-08T12:48:22+05:30",
              "utc": "2029-09-08T07:18:22Z",
              "ms": 1883546301946.1704
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-09-09",
          "window": {
            "start": {
              "local": "2029-09-09T12:00:01+05:30",
              "utc": "2029-09-09T06:30:01Z",
              "ms": 1883629801228.189
            },
            "end": {
              "local": "2029-09-09T12:48:01+05:30",
              "utc": "2029-09-09T07:18:01Z",
              "ms": 1883632681228.189
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 16:14 on Sat 8 Sep to 12:58 on Sun 9 Sep.",
          "fact": "2029-09-08T10:44:24Z → 2029-09-09T07:27:34Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 8th, 12:00–12:48 on the 9th.",
          "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 8th and 48 of 48 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 573 s"
        },
        {
          "step": "ruling",
          "text": "Rudra Vrata, Ujjain, 2029: Sunday 9 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": "2029-09-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-09-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Rudra Vrata 2029 falls on Sunday 9 September. Pratipadā runs from 16:14 on Sat 8 Sep to 12:58 on Sun 9 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/haritalika-vrata",
      "festival": "haritalika-vrata",
      "name": "Haritālikā Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-09-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8833,
      "anga": {
        "type": "tithi",
        "index": 2,
        "key": "tritiya",
        "name": "Tṛtīyā",
        "start": {
          "local": "2029-09-10T09:32:27+05:30",
          "utc": "2029-09-10T04:02:27Z",
          "ms": 1883707347002.2998
        },
        "end": {
          "local": "2029-09-11T06:09:19+05:30",
          "utc": "2029-09-11T00:39:19Z",
          "ms": 1883781559153.0513
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-09-10T09:32:27+05:30",
          "utc": "2029-09-10T04:02:27Z",
          "ms": 1883707347002.2998
        },
        "end": {
          "local": "2029-09-11T06:09:19+05:30",
          "utc": "2029-09-11T00:39:19Z",
          "ms": 1883781559153.0513
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-09-10",
          "window": {
            "start": {
              "local": "2029-09-10T11:59:40+05:30",
              "utc": "2029-09-10T06:29:40Z",
              "ms": 1883716180361.619
            },
            "end": {
              "local": "2029-09-10T12:47:40+05:30",
              "utc": "2029-09-10T07:17:40Z",
              "ms": 1883719060361.619
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-09-11",
          "window": {
            "start": {
              "local": "2029-09-11T11:59:19+05:30",
              "utc": "2029-09-11T06:29:19Z",
              "ms": 1883802559360.565
            },
            "end": {
              "local": "2029-09-11T12:47:19+05:30",
              "utc": "2029-09-11T07:17:19Z",
              "ms": 1883805439360.565
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Tṛtīyā runs from 09:32 on Mon 10 Sep to 06:09 on Tue 11 Sep.",
          "fact": "2029-09-10T04:02:27Z → 2029-09-11T00:39:19Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 10th, 11:59–12:47 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 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: paraviddha → only-day · margin 8833 s"
        },
        {
          "step": "ruling",
          "text": "Haritālikā Vrata, Ujjain, 2029: Monday 10 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": "2029-09-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-09-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Haritālikā Vrata (Hartalika Teej) 2029 falls on Monday 10 September. Tṛtīyā runs from 09:32 on Mon 10 Sep to 06:09 on Tue 11 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/ganesha-chaturthi",
      "festival": "ganesha-chaturthi",
      "name": "Gaṇeśa Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-09-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21000,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-09-11T06:09:19+05:30",
          "utc": "2029-09-11T00:39:19Z",
          "ms": 1883781559153.0513
        },
        "end": {
          "local": "2029-09-12T02:57:41+05:30",
          "utc": "2029-09-11T21:27:41Z",
          "ms": 1883856460566.6292
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-09-11T06:09:19+05:30",
          "utc": "2029-09-11T00:39:19Z",
          "ms": 1883781559153.0513
        },
        "end": {
          "local": "2029-09-12T02:57:41+05:30",
          "utc": "2029-09-11T21:27:41Z",
          "ms": 1883856460566.6292
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-09-11",
          "window": {
            "start": {
              "local": "2029-09-11T11:59:19+05:30",
              "utc": "2029-09-11T06:29:19Z",
              "ms": 1883802559360.565
            },
            "end": {
              "local": "2029-09-11T12:47:19+05:30",
              "utc": "2029-09-11T07:17:19Z",
              "ms": 1883805439360.565
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-09-12",
          "window": {
            "start": {
              "local": "2029-09-12T11:58:58+05:30",
              "utc": "2029-09-12T06:28:58Z",
              "ms": 1883888938240.133
            },
            "end": {
              "local": "2029-09-12T12:46:58+05:30",
              "utc": "2029-09-12T07:16:58Z",
              "ms": 1883891818240.133
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 06:09 on Tue 11 Sep to 02:58 on Wed 12 Sep.",
          "fact": "2029-09-11T00:39:19Z → 2029-09-11T21:27:41Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 11th, 11:59–12:47 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 48 of 48 minutes on the 11th and 0 of 48 on the 12th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 21000 s"
        },
        {
          "step": "ruling",
          "text": "Gaṇeśa Caturthī, Ujjain, 2029: Tuesday 11 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": "2029-09-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-09-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Gaṇeśa Caturthī 2029 falls on Tuesday 11 September. Caturthī runs from 06:09 on Tue 11 Sep to 02:58 on Wed 12 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/rishi-panchami",
      "festival": "rishi-panchami",
      "name": "Ṛṣi Pañcamī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-09-12",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32478,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2029-09-12T02:57:41+05:30",
          "utc": "2029-09-11T21:27:41Z",
          "ms": 1883856460566.6292
        },
        "end": {
          "local": "2029-09-13T00:05:43+05:30",
          "utc": "2029-09-12T18:35:43Z",
          "ms": 1883932543447.7588
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-09-12T02:57:41+05:30",
          "utc": "2029-09-11T21:27:41Z",
          "ms": 1883856460566.6292
        },
        "end": {
          "local": "2029-09-13T00:05:43+05:30",
          "utc": "2029-09-12T18:35:43Z",
          "ms": 1883932543447.7588
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-09-12",
          "window": {
            "start": {
              "local": "2029-09-12T11:58:58+05:30",
              "utc": "2029-09-12T06:28:58Z",
              "ms": 1883888938240.133
            },
            "end": {
              "local": "2029-09-12T12:46:58+05:30",
              "utc": "2029-09-12T07:16:58Z",
              "ms": 1883891818240.133
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-09-13",
          "window": {
            "start": {
              "local": "2029-09-13T11:58:37+05:30",
              "utc": "2029-09-13T06:28:37Z",
              "ms": 1883975317016.4805
            },
            "end": {
              "local": "2029-09-13T12:46:37+05:30",
              "utc": "2029-09-13T07:16:37Z",
              "ms": 1883978197016.4805
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 02:58 on Wed 12 Sep to 00:06 on Thu 13 Sep.",
          "fact": "2029-09-11T21:27:41Z → 2029-09-12T18:35:43Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 12th, 11:59–12:47 on the 13th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 12th and 0 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: disputed → only-day · margin 32478 s"
        },
        {
          "step": "ruling",
          "text": "Ṛṣi Pañcamī, Ujjain, 2029: Wednesday 12 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": "2029-09-12",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-09-12",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Ṛṣi Pañcamī 2029 falls on Wednesday 12 September. Pañcamī runs from 02:58 on Wed 12 Sep to 00:06 on Thu 13 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/surya-shashthi-bhadrapada",
      "festival": "surya-shashthi-bhadrapada",
      "name": "Sūrya Ṣaṣṭhī (Bhādrapada)",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-09-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 31999,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2029-09-13T00:05:43+05:30",
          "utc": "2029-09-12T18:35:43Z",
          "ms": 1883932543447.7588
        },
        "end": {
          "local": "2029-09-13T21:39:56+05:30",
          "utc": "2029-09-13T16:09:56Z",
          "ms": 1884010196091.6262
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-09-13T00:05:43+05:30",
          "utc": "2029-09-12T18:35:43Z",
          "ms": 1883932543447.7588
        },
        "end": {
          "local": "2029-09-13T21:39:56+05:30",
          "utc": "2029-09-13T16:09:56Z",
          "ms": 1884010196091.6262
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-09-12",
          "window": {
            "start": {
              "local": "2029-09-12T11:58:58+05:30",
              "utc": "2029-09-12T06:28:58Z",
              "ms": 1883888938240.133
            },
            "end": {
              "local": "2029-09-12T12:46:58+05:30",
              "utc": "2029-09-12T07:16:58Z",
              "ms": 1883891818240.133
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-09-13",
          "window": {
            "start": {
              "local": "2029-09-13T11:58:37+05:30",
              "utc": "2029-09-13T06:28:37Z",
              "ms": 1883975317016.4805
            },
            "end": {
              "local": "2029-09-13T12:46:37+05:30",
              "utc": "2029-09-13T07:16:37Z",
              "ms": 1883978197016.4805
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 00:06 on Thu 13 Sep to 21:40 on Thu 13 Sep.",
          "fact": "2029-09-12T18:35:43Z → 2029-09-13T16:09:56Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 12th, 11:59–12:47 on the 13th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 31999 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī (Bhādrapada), Ujjain, 2029: Thursday 13 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": "2029-09-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-09-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Sūrya Ṣaṣṭhī (Bhādrapada) 2029 falls on Thursday 13 September. Ṣaṣṭhī runs from 00:06 on Thu 13 Sep to 21:40 on Thu 13 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/muktabharana-vrata",
      "festival": "muktabharana-vrata",
      "name": "Muktābharaṇa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-09-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25106,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2029-09-13T21:39:56+05:30",
          "utc": "2029-09-13T16:09:56Z",
          "ms": 1884010196091.6262
        },
        "end": {
          "local": "2029-09-14T19:44:42+05:30",
          "utc": "2029-09-14T14:14:42Z",
          "ms": 1884089681976.2856
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-09-13T21:39:56+05:30",
          "utc": "2029-09-13T16:09:56Z",
          "ms": 1884010196091.6262
        },
        "end": {
          "local": "2029-09-14T19:44:42+05:30",
          "utc": "2029-09-14T14:14:42Z",
          "ms": 1884089681976.2856
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-09-13",
          "window": {
            "start": {
              "local": "2029-09-13T11:58:37+05:30",
              "utc": "2029-09-13T06:28:37Z",
              "ms": 1883975317016.4805
            },
            "end": {
              "local": "2029-09-13T12:46:37+05:30",
              "utc": "2029-09-13T07:16:37Z",
              "ms": 1883978197016.4805
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-09-14",
          "window": {
            "start": {
              "local": "2029-09-14T11:58:16+05:30",
              "utc": "2029-09-14T06:28:16Z",
              "ms": 1884061695706.9668
            },
            "end": {
              "local": "2029-09-14T12:46:16+05:30",
              "utc": "2029-09-14T07:16:16Z",
              "ms": 1884064575706.9668
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 21:40 on Thu 13 Sep to 19:45 on Fri 14 Sep.",
          "fact": "2029-09-13T16:09:56Z → 2029-09-14T14:14:42Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 13th, 11:58–12:46 on the 14th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must be present during madhyāhna. It covers 0 of 48 minutes on the 13th and 48 of 48 on the 14th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 25106 s"
        },
        {
          "step": "ruling",
          "text": "Muktābharaṇa Vrata, Ujjain, 2029: Friday 14 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": "2029-09-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-09-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Muktābharaṇa Vrata 2029 falls on Friday 14 September. Saptamī runs from 21:40 on Thu 13 Sep to 19:45 on Fri 14 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/radhashtami",
      "festival": "radhashtami",
      "name": "Rādhāṣṭamī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-09-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20176,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2029-09-14T19:44:42+05:30",
          "utc": "2029-09-14T14:14:42Z",
          "ms": 1884089681976.2856
        },
        "end": {
          "local": "2029-09-15T18:22:10+05:30",
          "utc": "2029-09-15T12:52:10Z",
          "ms": 1884171130115.6143
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-09-14T19:44:42+05:30",
          "utc": "2029-09-14T14:14:42Z",
          "ms": 1884089681976.2856
        },
        "end": {
          "local": "2029-09-15T18:22:10+05:30",
          "utc": "2029-09-15T12:52:10Z",
          "ms": 1884171130115.6143
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-09-14",
          "window": {
            "start": {
              "local": "2029-09-14T11:58:16+05:30",
              "utc": "2029-09-14T06:28:16Z",
              "ms": 1884061695706.9668
            },
            "end": {
              "local": "2029-09-14T12:46:16+05:30",
              "utc": "2029-09-14T07:16:16Z",
              "ms": 1884064575706.9668
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-09-15",
          "window": {
            "start": {
              "local": "2029-09-15T11:57:54+05:30",
              "utc": "2029-09-15T06:27:54Z",
              "ms": 1884148074330.1748
            },
            "end": {
              "local": "2029-09-15T12:45:54+05:30",
              "utc": "2029-09-15T07:15:54Z",
              "ms": 1884150954330.1748
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 19:45 on Fri 14 Sep to 18:22 on Sat 15 Sep.",
          "fact": "2029-09-14T14:14:42Z → 2029-09-15T12:52:10Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 14th, 11:58–12:46 on the 15th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 14th and 48 of 48 on the 15th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 20176 s"
        },
        {
          "step": "ruling",
          "text": "Rādhāṣṭamī, Ujjain, 2029: Saturday 15 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": "2029-09-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-09-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Rādhāṣṭamī 2029 falls on Saturday 15 September. Aṣṭamī runs from 19:45 on Fri 14 Sep to 18:22 on Sat 15 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/ekadashi?on=2029-09-18",
      "festival": "ekadashi",
      "name": "Parivartanī Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-09-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 39566,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-09-17T17:13:41+05:30",
          "utc": "2029-09-17T11:43:41Z",
          "ms": 1884339821160.4397
        },
        "end": {
          "local": "2029-09-18T17:23:30+05:30",
          "utc": "2029-09-18T11:53:30Z",
          "ms": 1884426810009.069
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-09-17T17:13:41+05:30",
          "utc": "2029-09-17T11:43:41Z",
          "ms": 1884339821160.4397
        },
        "end": {
          "local": "2029-09-18T17:23:30+05:30",
          "utc": "2029-09-18T11:53:30Z",
          "ms": 1884426810009.069
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-09-17",
          "window": {
            "start": {
              "local": "2029-09-17T06:14:15+05:30",
              "utc": "2029-09-17T00:44:15Z",
              "ms": 1884300255444.9656
            },
            "end": {
              "local": "2029-09-17T06:14:15+05:30",
              "utc": "2029-09-17T00:44:15Z",
              "ms": 1884300255444.9656
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2029-09-18",
          "window": {
            "start": {
              "local": "2029-09-18T06:14:34+05:30",
              "utc": "2029-09-18T00:44:34Z",
              "ms": 1884386673833.1006
            },
            "end": {
              "local": "2029-09-18T06:14:34+05:30",
              "utc": "2029-09-18T00:44:34Z",
              "ms": 1884386673833.1006
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 17:14 on Mon 17 Sep to 17:24 on Tue 18 Sep.",
          "fact": "2029-09-17T11:43:41Z → 2029-09-18T11:53:30Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:14 on the 17th and 06:15 on the 18th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 17th and is on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 39566 s"
        },
        {
          "step": "ruling",
          "text": "Parivartanī Ekādaśī, Ujjain, 2029: Tuesday 18 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": "2029-09-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-09-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Parivartanī Ekādaśī 2029 falls on Tuesday 18 September. Ekādaśī runs from 17:14 on Mon 17 Sep to 17:24 on Tue 18 Sep and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-09-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/vamana-jayanti",
      "festival": "vamana-jayanti",
      "name": "Vāmana Jayantī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-09-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16720,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2029-09-18T17:23:30+05:30",
          "utc": "2029-09-18T11:53:30Z",
          "ms": 1884426810009.069
        },
        "end": {
          "local": "2029-09-19T17:59:01+05:30",
          "utc": "2029-09-19T12:29:01Z",
          "ms": 1884515341482.32
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-09-18T17:23:30+05:30",
          "utc": "2029-09-18T11:53:30Z",
          "ms": 1884426810009.069
        },
        "end": {
          "local": "2029-09-19T17:59:01+05:30",
          "utc": "2029-09-19T12:29:01Z",
          "ms": 1884515341482.32
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-09-18",
          "window": {
            "start": {
              "local": "2029-09-18T11:56:50+05:30",
              "utc": "2029-09-18T06:26:50Z",
              "ms": 1884407209998.2944
            },
            "end": {
              "local": "2029-09-18T12:44:50+05:30",
              "utc": "2029-09-18T07:14:50Z",
              "ms": 1884410089998.2944
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-09-19",
          "window": {
            "start": {
              "local": "2029-09-19T11:56:29+05:30",
              "utc": "2029-09-19T06:26:29Z",
              "ms": 1884493588558.9731
            },
            "end": {
              "local": "2029-09-19T12:44:29+05:30",
              "utc": "2029-09-19T07:14:29Z",
              "ms": 1884496468558.9731
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 17:24 on Tue 18 Sep to 17:59 on Wed 19 Sep.",
          "fact": "2029-09-18T11:53:30Z → 2029-09-19T12:29:01Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 18th, 11:56–12:44 on the 19th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 18th and 48 of 48 on the 19th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 16720 s"
        },
        {
          "step": "ruling",
          "text": "Vāmana Jayantī, Ujjain, 2029: Wednesday 19 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": "2029-09-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-09-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Vāmana Jayantī 2029 falls on Wednesday 19 September. Dvādaśī runs from 17:24 on Tue 18 Sep to 17:59 on Wed 19 Sep and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/pradosha-vrata?on=2029-09-19",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-09-19",
      "confidence": "boundary",
      "boundary_reasons": [
        "tie-break-unstated"
      ],
      "boundary_margin_s": 1623,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-09-19T17:59:01+05:30",
          "utc": "2029-09-19T12:29:01Z",
          "ms": 1884515341482.32
        },
        "end": {
          "local": "2029-09-20T18:57:53+05:30",
          "utc": "2029-09-20T13:27:53Z",
          "ms": 1884605273122.1638
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-09-19T17:59:01+05:30",
          "utc": "2029-09-19T12:29:01Z",
          "ms": 1884515341482.32
        },
        "end": {
          "local": "2029-09-20T18:57:53+05:30",
          "utc": "2029-09-20T13:27:53Z",
          "ms": 1884605273122.1638
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-09-19",
          "window": {
            "start": {
              "local": "2029-09-19T18:26:05+05:30",
              "utc": "2029-09-19T12:56:05Z",
              "ms": 1884516964851.5122
            },
            "end": {
              "local": "2029-09-19T20:00:38+05:30",
              "utc": "2029-09-19T14:30:38Z",
              "ms": 1884522637639.6707
            }
          },
          "covered_min": 95,
          "window_min": 95,
          "qualifies": true
        },
        {
          "local_date": "2029-09-20",
          "window": {
            "start": {
              "local": "2029-09-20T18:25:04+05:30",
              "utc": "2029-09-20T12:55:04Z",
              "ms": 1884603303556.3416
            },
            "end": {
              "local": "2029-09-20T19:59:47+05:30",
              "utc": "2029-09-20T14:29:47Z",
              "ms": 1884608986994.183
            }
          },
          "covered_min": 33,
          "window_min": 95,
          "qualifies": true
        }
      ],
      "decided_by": "greater-coverage",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 17:59 on Wed 19 Sep to 18:58 on Thu 20 Sep.",
          "fact": "2029-09-19T12:29:01Z → 2029-09-20T13:27:53Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:26–20:01 on the 19th, 18:25–20:00 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 95 of 95 minutes on the 19th and 33 of 95 on the 20th.",
          "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 1623 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Ujjain, 2029: Wednesday 19 September.",
          "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": "2029-09-19",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-09-19",
          "confidence": "boundary"
        }
      ],
      "quote": "In Ujjain, Śukla Pradoṣa Vrata 2029 falls on Wednesday 19 September. Trayodaśī runs from 17:59 on Wed 19 Sep to 18:58 on Thu 20 Sep and covers all of pradoṣa that evening. It also reaches the next evening for 33 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/ujjain/festivals/2029/pradosha-vrata?on=2029-09-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/ananta-chaturdashi",
      "festival": "ananta-chaturdashi",
      "name": "Ananta Caturdaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-09-21",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35845,
      "anga": {
        "type": "tithi",
        "index": 13,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2029-09-20T18:57:53+05:30",
          "utc": "2029-09-20T13:27:53Z",
          "ms": 1884605273122.1638
        },
        "end": {
          "local": "2029-09-21T20:18:23+05:30",
          "utc": "2029-09-21T14:48:23Z",
          "ms": 1884696503135.0735
        },
        "month": {
          "amanta": 5,
          "purnimanta": 5,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Bhādrapada"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-09-20T18:57:53+05:30",
          "utc": "2029-09-20T13:27:53Z",
          "ms": 1884605273122.1638
        },
        "end": {
          "local": "2029-09-21T20:18:23+05:30",
          "utc": "2029-09-21T14:48:23Z",
          "ms": 1884696503135.0735
        }
      },
      "kaala": "udaya-3",
      "days": [
        {
          "local_date": "2029-09-21",
          "window": {
            "start": {
              "local": "2029-09-21T06:15:29+05:30",
              "utc": "2029-09-21T00:45:29Z",
              "ms": 1884645929340.1528
            },
            "end": {
              "local": "2029-09-21T08:41:12+05:30",
              "utc": "2029-09-21T03:11:12Z",
              "ms": 1884654671933.346
            }
          },
          "covered_min": 146,
          "window_min": 146,
          "qualifies": true
        },
        {
          "local_date": "2029-09-22",
          "window": {
            "start": {
              "local": "2029-09-22T06:15:48+05:30",
              "utc": "2029-09-22T00:45:48Z",
              "ms": 1884732348017.3691
            },
            "end": {
              "local": "2029-09-22T08:41:15+05:30",
              "utc": "2029-09-22T03:11:15Z",
              "ms": 1884741074639.7278
            }
          },
          "covered_min": 0,
          "window_min": 145,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 18:58 on Thu 20 Sep to 20:18 on Fri 21 Sep.",
          "fact": "2029-09-20T13:27:53Z → 2029-09-21T14:48:23Z"
        },
        {
          "step": "kaala",
          "text": "The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:15–08:41 on the 21st, 06:16–08:41 on the 22nd.",
          "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 146 of 146 minutes on the 21st and 0 of 145 on the 22nd.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one morning qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 35845 s"
        },
        {
          "step": "ruling",
          "text": "Ananta Caturdaśī, Ujjain, 2029: Friday 21 September.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ananta-chaturdashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 103",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 14 Ananta caturdasi (covering three muhurtas from sunrise, but one muhurta in Bengal)."
          }
        ],
        "not_evaluated": "In Bengal the row asks for one muhūrta from sunrise; that reading is not applied.",
        "kaala": "udaya-3",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-09-21",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-09-21",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Ananta Caturdaśī 2029 falls on Friday 21 September. Caturdaśī runs from 18:58 on Thu 20 Sep to 20:18 on Fri 21 Sep and covers all of the first three muhūrtas after sunrise that morning.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/sankashta-chaturthi?on=2029-09-26",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-09-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32498,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-09-26T04:45:35+05:30",
          "utc": "2029-09-25T23:15:35Z",
          "ms": 1885072534835.3484
        },
        "end": {
          "local": "2029-09-27T07:20:24+05:30",
          "utc": "2029-09-27T01:50:24Z",
          "ms": 1885168223951.2837
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-09-26T04:45:35+05:30",
          "utc": "2029-09-25T23:15:35Z",
          "ms": 1885072534835.3484
        },
        "end": {
          "local": "2029-09-27T07:20:24+05:30",
          "utc": "2029-09-27T01:50:24Z",
          "ms": 1885168223951.2837
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2029-09-25",
          "window": {
            "start": {
              "local": "2029-09-25T19:43:56+05:30",
              "utc": "2029-09-25T14:13:56Z",
              "ms": 1885040036480.2258
            },
            "end": {
              "local": "2029-09-25T19:43:56+05:30",
              "utc": "2029-09-25T14:13:56Z",
              "ms": 1885040036480.2258
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2029-09-26",
          "window": {
            "start": {
              "local": "2029-09-26T20:23:15+05:30",
              "utc": "2029-09-26T14:53:15Z",
              "ms": 1885128795024.947
            },
            "end": {
              "local": "2029-09-26T20:23:15+05:30",
              "utc": "2029-09-26T14:53:15Z",
              "ms": 1885128795024.947
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 04:46 on Wed 26 Sep to 07:20 on Thu 27 Sep.",
          "fact": "2029-09-25T23:15:35Z → 2029-09-27T01:50:24Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:44 on the 25th and 20:23 on the 26th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 25th and is on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 32498 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Ujjain, 2029: Wednesday 26 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": "2029-09-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-09-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2029 falls on Wednesday 26 September. Caturthī runs from 04:46 on Wed 26 Sep to 07:20 on Thu 27 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/sankashta-chaturthi?on=2029-09-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/chandra-shashthi",
      "festival": "chandra-shashthi",
      "name": "Candra Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-09-28",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 38308,
      "anga": {
        "type": "tithi",
        "index": 20,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2029-09-28T09:50:47+05:30",
          "utc": "2029-09-28T04:20:47Z",
          "ms": 1885263646953.603
        },
        "end": {
          "local": "2029-09-29T12:04:38+05:30",
          "utc": "2029-09-29T06:34:38Z",
          "ms": 1885358078093.3489
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-09-28T09:50:47+05:30",
          "utc": "2029-09-28T04:20:47Z",
          "ms": 1885263646953.603
        },
        "end": {
          "local": "2029-09-29T12:04:38+05:30",
          "utc": "2029-09-29T06:34:38Z",
          "ms": 1885358078093.3489
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2029-09-28",
          "window": {
            "start": {
              "local": "2029-09-28T21:52:41+05:30",
              "utc": "2029-09-28T16:22:41Z",
              "ms": 1885306961144.5276
            },
            "end": {
              "local": "2029-09-28T21:52:41+05:30",
              "utc": "2029-09-28T16:22:41Z",
              "ms": 1885306961144.5276
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2029-09-29",
          "window": {
            "start": {
              "local": "2029-09-29T22:43:06+05:30",
              "utc": "2029-09-29T17:13:06Z",
              "ms": 1885396386136.187
            },
            "end": {
              "local": "2029-09-29T22:43:06+05:30",
              "utc": "2029-09-29T17:13:06Z",
              "ms": 1885396386136.187
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 09:51 on Fri 28 Sep to 12:05 on Sat 29 Sep.",
          "fact": "2029-09-28T04:20:47Z → 2029-09-29T06:34:38Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 21:53 on the 28th and 22:43 on the 29th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī 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: purvaviddha → only-day · margin 38308 s"
        },
        {
          "step": "ruling",
          "text": "Candra Ṣaṣṭhī, Ujjain, 2029: Friday 28 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": "2029-09-28",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-09-28",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Candra Ṣaṣṭhī 2029 falls on Friday 28 September. Ṣaṣṭhī runs from 09:51 on Fri 28 Sep to 12:05 on Sat 29 Sep and is current at moonrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/jitashtami",
      "festival": "jitashtami",
      "name": "Jitāṣṭamī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-09-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 12049,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2029-09-30T13:49:13+05:30",
          "utc": "2029-09-30T08:19:13Z",
          "ms": 1885450752950.349
        },
        "end": {
          "local": "2029-10-01T14:53:10+05:30",
          "utc": "2029-10-01T09:23:10Z",
          "ms": 1885540989752.1472
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-09-30T13:49:13+05:30",
          "utc": "2029-09-30T08:19:13Z",
          "ms": 1885450752950.349
        },
        "end": {
          "local": "2029-10-01T14:53:10+05:30",
          "utc": "2029-10-01T09:23:10Z",
          "ms": 1885540989752.1472
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-09-30",
          "window": {
            "start": {
              "local": "2029-09-30T18:14:58+05:30",
              "utc": "2029-09-30T12:44:58Z",
              "ms": 1885466697762.933
            },
            "end": {
              "local": "2029-09-30T19:51:28+05:30",
              "utc": "2029-09-30T14:21:28Z",
              "ms": 1885472487877.4402
            }
          },
          "covered_min": 97,
          "window_min": 97,
          "qualifies": true
        },
        {
          "local_date": "2029-10-01",
          "window": {
            "start": {
              "local": "2029-10-01T18:13:59+05:30",
              "utc": "2029-10-01T12:43:59Z",
              "ms": 1885553038522.0576
            },
            "end": {
              "local": "2029-10-01T19:50:39+05:30",
              "utc": "2029-10-01T14:20:39Z",
              "ms": 1885558839290.1924
            }
          },
          "covered_min": 0,
          "window_min": 97,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 13:49 on Sun 30 Sep to 14:53 on Mon 1 Oct.",
          "fact": "2029-09-30T08:19:13Z → 2029-10-01T09:23:10Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:15–19:51 on the 30th, 18:14–19:51 on the 1st.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during pradoṣa. It covers 97 of 97 minutes on the 30th and 0 of 97 on the 1st.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 12049 s"
        },
        {
          "step": "ruling",
          "text": "Jitāṣṭamī, Ujjain, 2029: Sunday 30 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": "2029-09-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-09-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Jitāṣṭamī (Jitiya) 2029 falls on Sunday 30 September. Aṣṭamī runs from 13:49 on Sun 30 Sep to 14:53 on Mon 1 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/mahalakshmi-vrata-samapana",
      "festival": "mahalakshmi-vrata-samapana",
      "name": "Mahālakṣmī Vrata Samāpana",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-09-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34800,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2029-09-30T13:49:13+05:30",
          "utc": "2029-09-30T08:19:13Z",
          "ms": 1885450752950.349
        },
        "end": {
          "local": "2029-10-01T14:53:10+05:30",
          "utc": "2029-10-01T09:23:10Z",
          "ms": 1885540989752.1472
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-09-30T13:49:13+05:30",
          "utc": "2029-09-30T08:19:13Z",
          "ms": 1885450752950.349
        },
        "end": {
          "local": "2029-10-01T14:53:10+05:30",
          "utc": "2029-10-01T09:23:10Z",
          "ms": 1885540989752.1472
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2029-09-30",
          "window": {
            "start": {
              "local": "2029-09-30T23:36:50+05:30",
              "utc": "2029-09-30T18:06:50Z",
              "ms": 1885486010395.1338
            },
            "end": {
              "local": "2029-09-30T23:36:50+05:30",
              "utc": "2029-09-30T18:06:50Z",
              "ms": 1885486010395.1338
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2029-10-01",
          "window": {
            "start": {
              "local": "2029-10-02T00:33:10+05:30",
              "utc": "2029-10-01T19:03:10Z",
              "ms": 1885575789515.04
            },
            "end": {
              "local": "2029-10-02T00:33:10+05:30",
              "utc": "2029-10-01T19:03:10Z",
              "ms": 1885575789515.04
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 13:49 on Sun 30 Sep to 14:53 on Mon 1 Oct.",
          "fact": "2029-09-30T08:19:13Z → 2029-10-01T09:23:10Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 23:37 on the 30th and 00:33 on the 1st.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is on the 30th and is not on the 1st.",
          "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 34800 s"
        },
        {
          "step": "ruling",
          "text": "Mahālakṣmī Vrata Samāpana, Ujjain, 2029: Sunday 30 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": "2029-09-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-09-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Mahālakṣmī Vrata Samāpana 2029 falls on Sunday 30 September. Aṣṭamī runs from 13:49 on Sun 30 Sep to 14:53 on Mon 1 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/ekadashi?on=2029-10-04",
      "festival": "ekadashi",
      "name": "Indirā Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-10-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24133,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-10-03T14:31:01+05:30",
          "utc": "2029-10-03T09:01:01Z",
          "ms": 1885712461275.4653
        },
        "end": {
          "local": "2029-10-04T13:01:59+05:30",
          "utc": "2029-10-04T07:31:59Z",
          "ms": 1885793519103.396
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-10-03T14:31:01+05:30",
          "utc": "2029-10-03T09:01:01Z",
          "ms": 1885712461275.4653
        },
        "end": {
          "local": "2029-10-04T13:01:59+05:30",
          "utc": "2029-10-04T07:31:59Z",
          "ms": 1885793519103.396
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-10-03",
          "window": {
            "start": {
              "local": "2029-10-03T06:19:25+05:30",
              "utc": "2029-10-03T00:49:25Z",
              "ms": 1885682965231.0647
            },
            "end": {
              "local": "2029-10-03T06:19:25+05:30",
              "utc": "2029-10-03T00:49:25Z",
              "ms": 1885682965231.0647
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2029-10-04",
          "window": {
            "start": {
              "local": "2029-10-04T06:19:46+05:30",
              "utc": "2029-10-04T00:49:46Z",
              "ms": 1885769386478.6533
            },
            "end": {
              "local": "2029-10-04T06:19:46+05:30",
              "utc": "2029-10-04T00:49:46Z",
              "ms": 1885769386478.6533
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 14:31 on Wed 3 Oct to 13:02 on Thu 4 Oct.",
          "fact": "2029-10-03T09:01:01Z → 2029-10-04T07:31:59Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:19 on the 3rd and 06:20 on the 4th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 3rd and is on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 24133 s"
        },
        {
          "step": "ruling",
          "text": "Indirā Ekādaśī, Ujjain, 2029: Thursday 4 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": "2029-10-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-10-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Indirā Ekādaśī 2029 falls on Thursday 4 October. Ekādaśī runs from 14:31 on Wed 3 Oct to 13:02 on Thu 4 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-10-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/pradosha-vrata?on=2029-10-05",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-10-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 26642,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-10-05T10:46:03+05:30",
          "utc": "2029-10-05T05:16:03Z",
          "ms": 1885871762945.3232
        },
        "end": {
          "local": "2029-10-06T07:51:04+05:30",
          "utc": "2029-10-06T02:21:04Z",
          "ms": 1885947663801.7856
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-10-05T10:46:03+05:30",
          "utc": "2029-10-05T05:16:03Z",
          "ms": 1885871762945.3232
        },
        "end": {
          "local": "2029-10-06T07:51:04+05:30",
          "utc": "2029-10-06T02:21:04Z",
          "ms": 1885947663801.7856
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-10-05",
          "window": {
            "start": {
              "local": "2029-10-05T18:10:05+05:30",
              "utc": "2029-10-05T12:40:05Z",
              "ms": 1885898405371.1736
            },
            "end": {
              "local": "2029-10-05T19:47:29+05:30",
              "utc": "2029-10-05T14:17:29Z",
              "ms": 1885904248644.0913
            }
          },
          "covered_min": 97,
          "window_min": 97,
          "qualifies": true
        },
        {
          "local_date": "2029-10-06",
          "window": {
            "start": {
              "local": "2029-10-06T18:09:08+05:30",
              "utc": "2029-10-06T12:39:08Z",
              "ms": 1885984748164.6804
            },
            "end": {
              "local": "2029-10-06T19:46:42+05:30",
              "utc": "2029-10-06T14:16:42Z",
              "ms": 1885990602026.6194
            }
          },
          "covered_min": 0,
          "window_min": 98,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 10:46 on Fri 5 Oct to 07:51 on Sat 6 Oct.",
          "fact": "2029-10-05T05:16:03Z → 2029-10-06T02:21:04Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 18:10–19:47 on the 5th, 18:09–19:47 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 97 of 97 minutes on the 5th and 0 of 98 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 26642 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2029: Friday 5 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": "2029-10-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-10-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2029 falls on Friday 5 October. Trayodaśī runs from 10:46 on Fri 5 Oct to 07:51 on Sat 6 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/pradosha-vrata?on=2029-10-05",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/shivaratri?on=2029-10-06",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-10-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 13674,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2029-10-06T07:51:04+05:30",
          "utc": "2029-10-06T02:21:04Z",
          "ms": 1885947663801.7856
        },
        "end": {
          "local": "2029-10-07T04:26:54+05:30",
          "utc": "2029-10-06T22:56:54Z",
          "ms": 1886021814026.1455
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-10-06T07:51:04+05:30",
          "utc": "2029-10-06T02:21:04Z",
          "ms": 1885947663801.7856
        },
        "end": {
          "local": "2029-10-07T04:26:54+05:30",
          "utc": "2029-10-06T22:56:54Z",
          "ms": 1886021814026.1455
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2029-10-05",
          "window": {
            "start": {
              "local": "2029-10-05T23:51:18+05:30",
              "utc": "2029-10-05T18:21:18Z",
              "ms": 1885918877644.6152
            },
            "end": {
              "local": "2029-10-06T00:39:18+05:30",
              "utc": "2029-10-05T19:09:18Z",
              "ms": 1885921757644.6152
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-10-06",
          "window": {
            "start": {
              "local": "2029-10-06T23:51:00+05:30",
              "utc": "2029-10-06T18:21:00Z",
              "ms": 1886005260146.952
            },
            "end": {
              "local": "2029-10-07T00:39:00+05:30",
              "utc": "2029-10-06T19:09:00Z",
              "ms": 1886008140146.952
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 07:51 on Sat 6 Oct to 04:27 on Sun 7 Oct.",
          "fact": "2029-10-06T02:21:04Z → 2029-10-06T22:56:54Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:51–00:39 on the 5th, 23:51–00:39 on the 6th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 5th and 48 of 48 on the 6th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 13674 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Ujjain, 2029: Saturday 6 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": "2029-10-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-10-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2029 falls on Saturday 6 October. Caturdaśī runs from 07:51 on Sat 6 Oct to 04:27 on Sun 7 Oct and covers all of niśītha that night.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/shivaratri?on=2029-10-06",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/mahalaya-amavasya",
      "festival": "mahalaya-amavasya",
      "name": "Mahālaya Amāvāsyā",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-10-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 32270,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2029-10-07T04:26:54+05:30",
          "utc": "2029-10-06T22:56:54Z",
          "ms": 1886021814026.1455
        },
        "end": {
          "local": "2029-10-08T00:44:34+05:30",
          "utc": "2029-10-07T19:14:34Z",
          "ms": 1886094873913.4382
        },
        "month": {
          "amanta": 5,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Bhādrapada",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-10-07T04:26:54+05:30",
          "utc": "2029-10-06T22:56:54Z",
          "ms": 1886021814026.1455
        },
        "end": {
          "local": "2029-10-08T00:44:34+05:30",
          "utc": "2029-10-07T19:14:34Z",
          "ms": 1886094873913.4382
        }
      },
      "kaala": "aparahna",
      "days": [
        {
          "local_date": "2029-10-06",
          "window": {
            "start": {
              "local": "2029-10-06T13:25:41+05:30",
              "utc": "2029-10-06T07:55:41Z",
              "ms": 1885967740866.031
            },
            "end": {
              "local": "2029-10-06T15:47:25+05:30",
              "utc": "2029-10-06T10:17:25Z",
              "ms": 1885976244515.3557
            }
          },
          "covered_min": 0,
          "window_min": 142,
          "qualifies": false
        },
        {
          "local_date": "2029-10-07",
          "window": {
            "start": {
              "local": "2029-10-07T13:25:16+05:30",
              "utc": "2029-10-07T07:55:16Z",
              "ms": 1886054115714.7344
            },
            "end": {
              "local": "2029-10-07T15:46:44+05:30",
              "utc": "2029-10-07T10:16:44Z",
              "ms": 1886062603576.5715
            }
          },
          "covered_min": 141,
          "window_min": 141,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 04:27 on Sun 7 Oct to 00:45 on Mon 8 Oct.",
          "fact": "2029-10-06T22:56:54Z → 2029-10-07T19:14:34Z"
        },
        {
          "step": "kaala",
          "text": "Aparāhṇa is 10th to 12th of 15 day muhūrtas: 13:26–15:47 on the 6th, 13:25–15:47 on the 7th.",
          "fact": "aparahna: day-muhurta-10-12 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during aparāhṇa. It covers 0 of 142 minutes on the 6th and 141 of 141 on the 7th.",
          "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 32270 s"
        },
        {
          "step": "ruling",
          "text": "Mahālaya Amāvāsyā, Ujjain, 2029: Sunday 7 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": "2029-10-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-10-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Mahālaya Amāvāsyā (Mahalaya) 2029 falls on Sunday 7 October. Amāvasyā runs from 04:27 on Sun 7 Oct to 00:45 on Mon 8 Oct and covers all of aparāhṇa that afternoon.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/navaratra-arambha",
      "festival": "navaratra-arambha",
      "name": "Navarātrārambha",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-10-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29834,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2029-10-08T00:44:34+05:30",
          "utc": "2029-10-07T19:14:34Z",
          "ms": 1886094873913.4382
        },
        "end": {
          "local": "2029-10-08T20:55:29+05:30",
          "utc": "2029-10-08T15:25:29Z",
          "ms": 1886167529128.3997
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-10-08T00:44:34+05:30",
          "utc": "2029-10-07T19:14:34Z",
          "ms": 1886094873913.4382
        },
        "end": {
          "local": "2029-10-08T20:55:29+05:30",
          "utc": "2029-10-08T15:25:29Z",
          "ms": 1886167529128.3997
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-10-07",
          "window": {
            "start": {
              "local": "2029-10-07T11:50:32+05:30",
              "utc": "2029-10-07T06:20:32Z",
              "ms": 1886048431783.816
            },
            "end": {
              "local": "2029-10-07T12:38:32+05:30",
              "utc": "2029-10-07T07:08:32Z",
              "ms": 1886051311783.816
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-10-08",
          "window": {
            "start": {
              "local": "2029-10-08T11:50:15+05:30",
              "utc": "2029-10-08T06:20:15Z",
              "ms": 1886134814946.6372
            },
            "end": {
              "local": "2029-10-08T12:38:15+05:30",
              "utc": "2029-10-08T07:08:15Z",
              "ms": 1886137694946.6372
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 00:45 on Mon 8 Oct to 20:55 on Mon 8 Oct.",
          "fact": "2029-10-07T19:14:34Z → 2029-10-08T15:25:29Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 7th, 11:50–12:38 on the 8th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 29834 s"
        },
        {
          "step": "ruling",
          "text": "Navarātrārambha, Ujjain, 2029: Monday 8 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": "2029-10-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-10-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Navarātrārambha (Navratri) 2029 falls on Monday 8 October. Pratipadā runs from 00:45 on Mon 8 Oct to 20:55 on Mon 8 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/vinayaka-chaturthi?on=2029-10-11",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-10-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 3833,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-10-10T13:41:36+05:30",
          "utc": "2029-10-10T08:11:36Z",
          "ms": 1886314295797.5754
        },
        "end": {
          "local": "2029-10-11T10:36:58+05:30",
          "utc": "2029-10-11T05:06:58Z",
          "ms": 1886389617843.52
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-10-10T13:41:36+05:30",
          "utc": "2029-10-10T08:11:36Z",
          "ms": 1886314295797.5754
        },
        "end": {
          "local": "2029-10-11T10:36:58+05:30",
          "utc": "2029-10-11T05:06:58Z",
          "ms": 1886389617843.52
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-10-10",
          "window": {
            "start": {
              "local": "2029-10-10T11:49:43+05:30",
              "utc": "2029-10-10T06:19:43Z",
              "ms": 1886307582590.1484
            },
            "end": {
              "local": "2029-10-10T12:37:43+05:30",
              "utc": "2029-10-10T07:07:43Z",
              "ms": 1886310462590.1484
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-10-11",
          "window": {
            "start": {
              "local": "2029-10-11T11:49:27+05:30",
              "utc": "2029-10-11T06:19:27Z",
              "ms": 1886393967099.2605
            },
            "end": {
              "local": "2029-10-11T12:37:27+05:30",
              "utc": "2029-10-11T07:07:27Z",
              "ms": 1886396847099.2605
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "second-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 13:42 on Wed 10 Oct to 10:37 on Thu 11 Oct.",
          "fact": "2029-10-10T08:11:36Z → 2029-10-11T05:06:58Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 10th, 11:49–12:37 on the 11th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 0 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Neither midday qualifies. The rule takes the second day.",
          "fact": "priority: unstated → second-day · margin 3833 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Ujjain, 2029: Thursday 11 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": "2029-10-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-10-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Vināyaka Caturthī 2029 falls on Thursday 11 October. Caturthī runs from 13:42 on Wed 10 Oct to 10:37 on Thu 11 Oct, and reaches madhyāhna on neither day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/vinayaka-chaturthi?on=2029-10-11",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/durga-saptami",
      "festival": "durga-saptami",
      "name": "Durgā Saptamī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-10-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 716,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2029-10-13T06:11:17+05:30",
          "utc": "2029-10-13T00:41:17Z",
          "ms": 1886546476648.01
        },
        "end": {
          "local": "2029-10-14T04:59:09+05:30",
          "utc": "2029-10-13T23:29:09Z",
          "ms": 1886628548813.7913
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-10-13T06:11:17+05:30",
          "utc": "2029-10-13T00:41:17Z",
          "ms": 1886546476648.01
        },
        "end": {
          "local": "2029-10-14T04:59:09+05:30",
          "utc": "2029-10-13T23:29:09Z",
          "ms": 1886628548813.7913
        }
      },
      "kaala": "udaya-1",
      "days": [
        {
          "local_date": "2029-10-13",
          "window": {
            "start": {
              "local": "2029-10-13T06:23:13+05:30",
              "utc": "2029-10-13T00:53:13Z",
              "ms": 1886547192731.3855
            },
            "end": {
              "local": "2029-10-13T07:09:51+05:30",
              "utc": "2029-10-13T01:39:51Z",
              "ms": 1886549990709.6035
            }
          },
          "covered_min": 47,
          "window_min": 47,
          "qualifies": true
        },
        {
          "local_date": "2029-10-14",
          "window": {
            "start": {
              "local": "2029-10-14T06:23:37+05:30",
              "utc": "2029-10-14T00:53:37Z",
              "ms": 1886633617451.991
            },
            "end": {
              "local": "2029-10-14T07:10:10+05:30",
              "utc": "2029-10-14T01:40:10Z",
              "ms": 1886636410266.494
            }
          },
          "covered_min": 0,
          "window_min": 47,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 06:11 on Sat 13 Oct to 04:59 on Sun 14 Oct.",
          "fact": "2029-10-13T00:41:17Z → 2029-10-13T23:29:09Z"
        },
        {
          "step": "kaala",
          "text": "The first muhūrta after sunrise is 1st of 15 day muhūrtas: 06:23–07:10 on the 13th, 06:24–07:10 on the 14th.",
          "fact": "udaya-1: day-muhurta-1-1 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Saptamī must hold through the first muhūrta after sunrise. It covers 47 of 47 minutes on the 13th and 0 of 47 on the 14th.",
          "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 716 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Saptamī, Ujjain, 2029: Saturday 13 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": "2029-10-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-10-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Durgā Saptamī 2029 falls on Saturday 13 October. Saptamī runs from 06:11 on Sat 13 Oct to 04:59 on Sun 14 Oct and covers all of the first muhūrta after sunrise that morning.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/mahashtami",
      "festival": "mahashtami",
      "name": "Mahāṣṭamī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-10-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 24575,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2029-10-14T04:59:09+05:30",
          "utc": "2029-10-13T23:29:09Z",
          "ms": 1886628548813.7913
        },
        "end": {
          "local": "2029-10-15T04:28:58+05:30",
          "utc": "2029-10-14T22:58:58Z",
          "ms": 1886713137640.0432
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-10-14T04:59:09+05:30",
          "utc": "2029-10-13T23:29:09Z",
          "ms": 1886628548813.7913
        },
        "end": {
          "local": "2029-10-15T04:28:58+05:30",
          "utc": "2029-10-14T22:58:58Z",
          "ms": 1886713137640.0432
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-10-14",
          "window": {
            "start": {
              "local": "2029-10-14T11:48:44+05:30",
              "utc": "2029-10-14T06:18:44Z",
              "ms": 1886653123560.763
            },
            "end": {
              "local": "2029-10-14T12:36:44+05:30",
              "utc": "2029-10-14T07:06:44Z",
              "ms": 1886656003560.763
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-10-15",
          "window": {
            "start": {
              "local": "2029-10-15T11:48:30+05:30",
              "utc": "2029-10-15T06:18:30Z",
              "ms": 1886739510082.5889
            },
            "end": {
              "local": "2029-10-15T12:36:30+05:30",
              "utc": "2029-10-15T07:06:30Z",
              "ms": 1886742390082.5889
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 04:59 on Sun 14 Oct to 04:29 on Mon 15 Oct.",
          "fact": "2029-10-13T23:29:09Z → 2029-10-14T22:58:58Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 14th, 11:49–12:37 on the 15th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be present during madhyāhna. It covers 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. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 24575 s"
        },
        {
          "step": "ruling",
          "text": "Mahāṣṭamī, Ujjain, 2029: Sunday 14 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": "2029-10-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-10-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Mahāṣṭamī (Durga Ashtami) 2029 falls on Sunday 14 October. Aṣṭamī runs from 04:59 on Sun 14 Oct to 04:29 on Mon 15 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/mahanavami",
      "festival": "mahanavami",
      "name": "Mahānavamī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-10-15",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25785,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2029-10-15T04:28:58+05:30",
          "utc": "2029-10-14T22:58:58Z",
          "ms": 1886713137640.0432
        },
        "end": {
          "local": "2029-10-16T04:38:32+05:30",
          "utc": "2029-10-15T23:08:32Z",
          "ms": 1886800111766.5806
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-10-15T04:28:58+05:30",
          "utc": "2029-10-14T22:58:58Z",
          "ms": 1886713137640.0432
        },
        "end": {
          "local": "2029-10-16T04:38:32+05:30",
          "utc": "2029-10-15T23:08:32Z",
          "ms": 1886800111766.5806
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-10-15",
          "window": {
            "start": {
              "local": "2029-10-15T11:48:30+05:30",
              "utc": "2029-10-15T06:18:30Z",
              "ms": 1886739510082.5889
            },
            "end": {
              "local": "2029-10-15T12:36:30+05:30",
              "utc": "2029-10-15T07:06:30Z",
              "ms": 1886742390082.5889
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-10-16",
          "window": {
            "start": {
              "local": "2029-10-16T11:48:17+05:30",
              "utc": "2029-10-16T06:18:17Z",
              "ms": 1886825897151.9546
            },
            "end": {
              "local": "2029-10-16T12:36:17+05:30",
              "utc": "2029-10-16T07:06:17Z",
              "ms": 1886828777151.9546
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 04:29 on Mon 15 Oct to 04:39 on Tue 16 Oct.",
          "fact": "2029-10-14T22:58:58Z → 2029-10-15T23:08:32Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 15th, 11:48–12:36 on the 16th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during madhyāhna. It covers 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: purvaviddha → only-day · margin 25785 s"
        },
        {
          "step": "ruling",
          "text": "Mahānavamī, Ujjain, 2029: Monday 15 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": "2029-10-15",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-10-15",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Mahānavamī 2029 falls on Monday 15 October. Navamī runs from 04:29 on Mon 15 Oct to 04:39 on Tue 16 Oct and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/vijaya-dashami",
      "festival": "vijaya-dashami",
      "name": "Vijayā Daśamī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-10-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 2278,
      "anga": {
        "type": "tithi",
        "index": 9,
        "key": "dashami",
        "name": "Daśamī",
        "start": {
          "local": "2029-10-16T04:38:32+05:30",
          "utc": "2029-10-15T23:08:32Z",
          "ms": 1886800111766.5806
        },
        "end": {
          "local": "2029-10-17T05:23:38+05:30",
          "utc": "2029-10-16T23:53:38Z",
          "ms": 1886889218207.691
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "conjunction",
        "start": {
          "local": "2029-10-16T04:38:32+05:30",
          "utc": "2029-10-15T23:08:32Z",
          "ms": 1886800111766.5806
        },
        "end": {
          "local": "2029-10-16T17:22:08+05:30",
          "utc": "2029-10-16T11:52:08Z",
          "ms": 1886845928086.1133
        },
        "nakshatra": {
          "type": "nakshatra",
          "index": 21,
          "key": "shravana",
          "name": "Śravaṇa",
          "start": {
            "local": "2029-10-15T16:17:38+05:30",
            "utc": "2029-10-15T10:47:38Z",
            "ms": 1886755657590.3872
          },
          "end": {
            "local": "2029-10-16T17:22:08+05:30",
            "utc": "2029-10-16T11:52:08Z",
            "ms": 1886845928086.1133
          }
        }
      },
      "kaala": "daytime",
      "days": [
        {
          "local_date": "2029-10-15",
          "window": {
            "start": {
              "local": "2029-10-15T06:24:03+05:30",
              "utc": "2029-10-15T00:54:03Z",
              "ms": 1886720042562.608
            },
            "end": {
              "local": "2029-10-15T18:00:58+05:30",
              "utc": "2029-10-15T12:30:58Z",
              "ms": 1886761857602.57
            }
          },
          "covered_min": 0,
          "window_min": 697,
          "qualifies": false
        },
        {
          "local_date": "2029-10-16",
          "window": {
            "start": {
              "local": "2029-10-16T06:24:28+05:30",
              "utc": "2029-10-16T00:54:28Z",
              "ms": 1886806468073.374
            },
            "end": {
              "local": "2029-10-16T18:00:06+05:30",
              "utc": "2029-10-16T12:30:06Z",
              "ms": 1886848206230.535
            }
          },
          "covered_min": 658,
          "window_min": 696,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Daśamī runs from 04:39 on Tue 16 Oct to 05:24 on Wed 17 Oct, and Śravaṇa from 16:18 on Mon 15 Oct to 17:22 on Tue 16 Oct. They are together from 04:39 on Tue 16 Oct to 17:22 on Tue 16 Oct.",
          "fact": "2029-10-15T23:08:32Z → 2029-10-16T11:52:08Z"
        },
        {
          "step": "kaala",
          "text": "The day time is sunrise to sunset: 06:24–18:01 on the 15th, 06:24–18:00 on the 16th.",
          "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 697 minutes on the 15th and 658 of 696 on the 16th.",
          "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 2278 s"
        },
        {
          "step": "ruling",
          "text": "Vijayā Daśamī, Ujjain, 2029: Tuesday 16 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": "2029-10-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-10-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Vijayā Daśamī (Dussehra) 2029 falls on Tuesday 16 October. Daśamī runs from 04:39 on Tue 16 Oct to 05:24 on Wed 17 Oct and is with Śravaṇa in the day time that day, for 658 minutes.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/ekadashi?on=2029-10-18",
      "festival": "ekadashi",
      "name": "Pāśāṅkuśā Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-10-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 814,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-10-17T05:23:38+05:30",
          "utc": "2029-10-16T23:53:38Z",
          "ms": 1886889218207.691
        },
        "end": {
          "local": "2029-10-18T06:38:55+05:30",
          "utc": "2029-10-18T01:08:55Z",
          "ms": 1886980134624.3623
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-10-17T05:23:38+05:30",
          "utc": "2029-10-16T23:53:38Z",
          "ms": 1886889218207.691
        },
        "end": {
          "local": "2029-10-18T06:38:55+05:30",
          "utc": "2029-10-18T01:08:55Z",
          "ms": 1886980134624.3623
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-10-17",
          "window": {
            "start": {
              "local": "2029-10-17T06:24:54+05:30",
              "utc": "2029-10-17T00:54:54Z",
              "ms": 1886892893994.835
            },
            "end": {
              "local": "2029-10-17T06:24:54+05:30",
              "utc": "2029-10-17T00:54:54Z",
              "ms": 1886892893994.835
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2029-10-18",
          "window": {
            "start": {
              "local": "2029-10-18T06:25:20+05:30",
              "utc": "2029-10-18T00:55:20Z",
              "ms": 1886979320337.6995
            },
            "end": {
              "local": "2029-10-18T06:25:20+05:30",
              "utc": "2029-10-18T00:55:20Z",
              "ms": 1886979320337.6995
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "paraviddha",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 05:24 on Wed 17 Oct to 06:39 on Thu 18 Oct.",
          "fact": "2029-10-16T23:53:38Z → 2029-10-18T01:08:55Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:25 on the 17th and 06:25 on the 18th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 17th and is on the 18th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Both sunrises qualify. Paraviddhā: the second is taken.",
          "fact": "priority: paraviddha → paraviddha · margin 814 s"
        },
        {
          "step": "ruling",
          "text": "Pāśāṅkuśā Ekādaśī, Ujjain, 2029: Thursday 18 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": "2029-10-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-10-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Pāśāṅkuśā Ekādaśī 2029 falls on Thursday 18 October. Ekādaśī runs from 05:24 on Wed 17 Oct to 06:39 on Thu 18 Oct and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-10-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/pradosha-vrata?on=2029-10-19",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-10-19",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 27528,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-10-19T08:18:45+05:30",
          "utc": "2029-10-19T02:48:45Z",
          "ms": 1887072524783.9387
        },
        "end": {
          "local": "2029-10-20T10:18:00+05:30",
          "utc": "2029-10-20T04:48:00Z",
          "ms": 1887166080122.576
        },
        "month": {
          "amanta": 6,
          "purnimanta": 6,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Āśvina"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-10-19T08:18:45+05:30",
          "utc": "2029-10-19T02:48:45Z",
          "ms": 1887072524783.9387
        },
        "end": {
          "local": "2029-10-20T10:18:00+05:30",
          "utc": "2029-10-20T04:48:00Z",
          "ms": 1887166080122.576
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-10-19",
          "window": {
            "start": {
              "local": "2029-10-19T17:57:37+05:30",
              "utc": "2029-10-19T12:27:37Z",
              "ms": 1887107256557.316
            },
            "end": {
              "local": "2029-10-19T19:37:26+05:30",
              "utc": "2029-10-19T14:07:26Z",
              "ms": 1887113245593.6877
            }
          },
          "covered_min": 100,
          "window_min": 100,
          "qualifies": true
        },
        {
          "local_date": "2029-10-20",
          "window": {
            "start": {
              "local": "2029-10-20T17:56:48+05:30",
              "utc": "2029-10-20T12:26:48Z",
              "ms": 1887193608239.4512
            },
            "end": {
              "local": "2029-10-20T19:36:47+05:30",
              "utc": "2029-10-20T14:06:47Z",
              "ms": 1887199607407.55
            }
          },
          "covered_min": 0,
          "window_min": 100,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 08:19 on Fri 19 Oct to 10:18 on Sat 20 Oct.",
          "fact": "2029-10-19T02:48:45Z → 2029-10-20T04:48:00Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:58–19:37 on the 19th, 17:57–19:37 on the 20th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 100 of 100 minutes on the 19th and 0 of 100 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 27528 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Ujjain, 2029: Friday 19 October.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-10-19",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-10-19",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śukla Pradoṣa Vrata 2029 falls on Friday 19 October. Trayodaśī runs from 08:19 on Fri 19 Oct to 10:18 on Sat 20 Oct and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/pradosha-vrata?on=2029-10-19",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/karaka-chaturthi",
      "festival": "karaka-chaturthi",
      "name": "Karaka Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-10-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9904,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-10-25T22:34:50+05:30",
          "utc": "2029-10-25T17:04:50Z",
          "ms": 1887642289977.713
        },
        "end": {
          "local": "2029-10-27T00:52:49+05:30",
          "utc": "2029-10-26T19:22:49Z",
          "ms": 1887736968746.6514
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-10-25T22:34:50+05:30",
          "utc": "2029-10-25T17:04:50Z",
          "ms": 1887642289977.713
        },
        "end": {
          "local": "2029-10-27T00:52:49+05:30",
          "utc": "2029-10-26T19:22:49Z",
          "ms": 1887736968746.6514
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2029-10-25",
          "window": {
            "start": {
              "local": "2029-10-25T19:49:46+05:30",
              "utc": "2029-10-25T14:19:46Z",
              "ms": 1887632385616.0156
            },
            "end": {
              "local": "2029-10-25T19:49:46+05:30",
              "utc": "2029-10-25T14:19:46Z",
              "ms": 1887632385616.0156
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2029-10-26",
          "window": {
            "start": {
              "local": "2029-10-26T20:38:43+05:30",
              "utc": "2029-10-26T15:08:43Z",
              "ms": 1887721723079.2026
            },
            "end": {
              "local": "2029-10-26T20:38:43+05:30",
              "utc": "2029-10-26T15:08:43Z",
              "ms": 1887721723079.2026
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 22:35 on Thu 25 Oct to 00:53 on Sat 27 Oct.",
          "fact": "2029-10-25T17:04:50Z → 2029-10-26T19:22:49Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:50 on the 25th and 20:39 on the 26th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 25th and is on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 9904 s"
        },
        {
          "step": "ruling",
          "text": "Karaka Caturthī, Ujjain, 2029: Friday 26 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": "2029-10-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-10-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Karaka Caturthī (Karwa Chauth) 2029 falls on Friday 26 October. Caturthī runs from 22:35 on Thu 25 Oct to 00:53 on Sat 27 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/sankashta-chaturthi?on=2029-10-26",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-10-26",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 9904,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-10-25T22:34:50+05:30",
          "utc": "2029-10-25T17:04:50Z",
          "ms": 1887642289977.713
        },
        "end": {
          "local": "2029-10-27T00:52:49+05:30",
          "utc": "2029-10-26T19:22:49Z",
          "ms": 1887736968746.6514
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-10-25T22:34:50+05:30",
          "utc": "2029-10-25T17:04:50Z",
          "ms": 1887642289977.713
        },
        "end": {
          "local": "2029-10-27T00:52:49+05:30",
          "utc": "2029-10-26T19:22:49Z",
          "ms": 1887736968746.6514
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2029-10-25",
          "window": {
            "start": {
              "local": "2029-10-25T19:49:46+05:30",
              "utc": "2029-10-25T14:19:46Z",
              "ms": 1887632385616.0156
            },
            "end": {
              "local": "2029-10-25T19:49:46+05:30",
              "utc": "2029-10-25T14:19:46Z",
              "ms": 1887632385616.0156
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2029-10-26",
          "window": {
            "start": {
              "local": "2029-10-26T20:38:43+05:30",
              "utc": "2029-10-26T15:08:43Z",
              "ms": 1887721723079.2026
            },
            "end": {
              "local": "2029-10-26T20:38:43+05:30",
              "utc": "2029-10-26T15:08:43Z",
              "ms": 1887721723079.2026
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 22:35 on Thu 25 Oct to 00:53 on Sat 27 Oct.",
          "fact": "2029-10-25T17:04:50Z → 2029-10-26T19:22:49Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 19:50 on the 25th and 20:39 on the 26th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be current at moonrise. It is not on the 25th and is on the 26th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 9904 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Ujjain, 2029: Friday 26 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": "2029-10-26",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-10-26",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2029 falls on Friday 26 October. Caturthī runs from 22:35 on Thu 25 Oct to 00:53 on Sat 27 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/sankashta-chaturthi?on=2029-10-26",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/ahoyi-ashtami",
      "festival": "ahoyi-ashtami",
      "name": "Ahoyī Aṣṭamī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-10-30",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 16622,
      "anga": {
        "type": "tithi",
        "index": 22,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2029-10-30T04:57:29+05:30",
          "utc": "2029-10-29T23:27:29Z",
          "ms": 1888010849230.6501
        },
        "end": {
          "local": "2029-10-31T04:54:57+05:30",
          "utc": "2029-10-30T23:24:57Z",
          "ms": 1888097096543.5952
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-10-30T04:57:29+05:30",
          "utc": "2029-10-29T23:27:29Z",
          "ms": 1888010849230.6501
        },
        "end": {
          "local": "2029-10-31T04:54:57+05:30",
          "utc": "2029-10-30T23:24:57Z",
          "ms": 1888097096543.5952
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2029-10-29",
          "window": {
            "start": {
              "local": "2029-10-29T23:21:00+05:30",
              "utc": "2029-10-29T17:51:00Z",
              "ms": 1887990659590.3706
            },
            "end": {
              "local": "2029-10-29T23:21:00+05:30",
              "utc": "2029-10-29T17:51:00Z",
              "ms": 1887990659590.3706
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2029-10-30",
          "window": {
            "start": {
              "local": "2029-10-31T00:17:55+05:30",
              "utc": "2029-10-30T18:47:55Z",
              "ms": 1888080474537.5464
            },
            "end": {
              "local": "2029-10-31T00:17:55+05:30",
              "utc": "2029-10-30T18:47:55Z",
              "ms": 1888080474537.5464
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 04:57 on Tue 30 Oct to 04:55 on Wed 31 Oct.",
          "fact": "2029-10-29T23:27:29Z → 2029-10-30T23:24:57Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 23:21 on the 29th and 00:18 on the 30th.",
          "fact": "moonrise: disc centre, 31′"
        },
        {
          "step": "rule",
          "text": "Aṣṭamī must be current at moonrise. It is not on the 29th and is on the 30th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one moonrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 16622 s"
        },
        {
          "step": "ruling",
          "text": "Ahoyī Aṣṭamī, Ujjain, 2029: Tuesday 30 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": "2029-10-30",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-10-30",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Ahoyī Aṣṭamī (Ahoi Ashtami) 2029 falls on Tuesday 30 October. Aṣṭamī runs from 04:57 on Tue 30 Oct to 04:55 on Wed 31 Oct and is current at moonrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/ekadashi?on=2029-11-02",
      "festival": "ekadashi",
      "name": "Ramā Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-11-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15001,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-11-02T02:22:51+05:30",
          "utc": "2029-11-01T20:52:51Z",
          "ms": 1888260770924.6377
        },
        "end": {
          "local": "2029-11-02T23:58:49+05:30",
          "utc": "2029-11-02T18:28:49Z",
          "ms": 1888338529217.797
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-11-02T02:22:51+05:30",
          "utc": "2029-11-01T20:52:51Z",
          "ms": 1888260770924.6377
        },
        "end": {
          "local": "2029-11-02T23:58:49+05:30",
          "utc": "2029-11-02T18:28:49Z",
          "ms": 1888338529217.797
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-11-02",
          "window": {
            "start": {
              "local": "2029-11-02T06:32:52+05:30",
              "utc": "2029-11-02T01:02:52Z",
              "ms": 1888275771949.4475
            },
            "end": {
              "local": "2029-11-02T06:32:52+05:30",
              "utc": "2029-11-02T01:02:52Z",
              "ms": 1888275771949.4475
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2029-11-03",
          "window": {
            "start": {
              "local": "2029-11-03T06:33:26+05:30",
              "utc": "2029-11-03T01:03:26Z",
              "ms": 1888362206024.2754
            },
            "end": {
              "local": "2029-11-03T06:33:26+05:30",
              "utc": "2029-11-03T01:03:26Z",
              "ms": 1888362206024.2754
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 02:23 on Fri 2 Nov to 23:59 on Fri 2 Nov.",
          "fact": "2029-11-01T20:52:51Z → 2029-11-02T18:28:49Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:33 on the 2nd and 06:33 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 15001 s"
        },
        {
          "step": "ruling",
          "text": "Ramā Ekādaśī, Ujjain, 2029: Friday 2 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": "2029-11-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-11-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Ramā Ekādaśī 2029 falls on Friday 2 November. Ekādaśī runs from 02:23 on Fri 2 Nov to 23:59 on Fri 2 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-11-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/govatsa-dvadashi",
      "festival": "govatsa-dvadashi",
      "name": "Govatsa Dvādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-11-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 5326,
      "anga": {
        "type": "tithi",
        "index": 26,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2029-11-02T23:58:49+05:30",
          "utc": "2029-11-02T18:28:49Z",
          "ms": 1888338529217.797
        },
        "end": {
          "local": "2029-11-03T20:58:12+05:30",
          "utc": "2029-11-03T15:28:12Z",
          "ms": 1888414092365.597
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-11-02T23:58:49+05:30",
          "utc": "2029-11-02T18:28:49Z",
          "ms": 1888338529217.797
        },
        "end": {
          "local": "2029-11-03T20:58:12+05:30",
          "utc": "2029-11-03T15:28:12Z",
          "ms": 1888414092365.597
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-11-02",
          "window": {
            "start": {
              "local": "2029-11-02T17:47:46+05:30",
              "utc": "2029-11-02T12:17:46Z",
              "ms": 1888316265871.3027
            },
            "end": {
              "local": "2029-11-02T19:29:51+05:30",
              "utc": "2029-11-02T13:59:51Z",
              "ms": 1888322391225.0325
            }
          },
          "covered_min": 0,
          "window_min": 102,
          "qualifies": false
        },
        {
          "local_date": "2029-11-03",
          "window": {
            "start": {
              "local": "2029-11-03T17:47:12+05:30",
              "utc": "2029-11-03T12:17:12Z",
              "ms": 1888402631659.0454
            },
            "end": {
              "local": "2029-11-03T19:29:26+05:30",
              "utc": "2029-11-03T13:59:26Z",
              "ms": 1888408766182.475
            }
          },
          "covered_min": 102,
          "window_min": 102,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 23:59 on Fri 2 Nov to 20:58 on Sat 3 Nov.",
          "fact": "2029-11-02T18:28:49Z → 2029-11-03T15:28:12Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:48–19:30 on the 2nd, 17:47–19:29 on the 3rd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during pradoṣa. It covers 0 of 102 minutes on the 2nd and 102 of 102 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: purvaviddha → only-day · margin 5326 s"
        },
        {
          "step": "ruling",
          "text": "Govatsa Dvādaśī, Ujjain, 2029: Saturday 3 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": "2029-11-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-11-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Govatsa Dvādaśī (Vasu Baras) 2029 falls on Saturday 3 November. Dvādaśī runs from 23:59 on Fri 2 Nov to 20:58 on Sat 3 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/yama-dipadana",
      "festival": "yama-dipadana",
      "name": "Yama Dīpadāna",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-11-03",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 987,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-11-03T20:58:12+05:30",
          "utc": "2029-11-03T15:28:12Z",
          "ms": 1888414092365.597
        },
        "end": {
          "local": "2029-11-04T17:30:12+05:30",
          "utc": "2029-11-04T12:00:12Z",
          "ms": 1888488011688.6648
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-11-03T20:58:12+05:30",
          "utc": "2029-11-03T15:28:12Z",
          "ms": 1888414092365.597
        },
        "end": {
          "local": "2029-11-04T17:30:12+05:30",
          "utc": "2029-11-04T12:00:12Z",
          "ms": 1888488011688.6648
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-11-03",
          "window": {
            "start": {
              "local": "2029-11-03T17:47:12+05:30",
              "utc": "2029-11-03T12:17:12Z",
              "ms": 1888402631659.0454
            },
            "end": {
              "local": "2029-11-03T19:29:26+05:30",
              "utc": "2029-11-03T13:59:26Z",
              "ms": 1888408766182.475
            }
          },
          "covered_min": 0,
          "window_min": 102,
          "qualifies": false
        },
        {
          "local_date": "2029-11-04",
          "window": {
            "start": {
              "local": "2029-11-04T17:46:39+05:30",
              "utc": "2029-11-04T12:16:39Z",
              "ms": 1888488998633.437
            },
            "end": {
              "local": "2029-11-04T19:29:02+05:30",
              "utc": "2029-11-04T13:59:02Z",
              "ms": 1888495142231.6926
            }
          },
          "covered_min": 0,
          "window_min": 102,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 20:58 on Sat 3 Nov to 17:30 on Sun 4 Nov.",
          "fact": "2029-11-03T15:28:12Z → 2029-11-04T12:00:12Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:47–19:29 on the 3rd, 17:47–19:29 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 102 minutes on the 3rd and 0 of 102 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Neither evening qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 987 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dīpadāna, Ujjain, 2029: Saturday 3 November.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "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": "2029-11-03",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-11-03",
          "confidence": "boundary"
        }
      ],
      "quote": "In Ujjain, Yama Dīpadāna 2029 falls on Saturday 3 November. Trayodaśī runs from 20:58 on Sat 3 Nov to 17:30 on Sun 4 Nov, and reaches pradoṣa on neither day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/pradosha-vrata?on=2029-11-03",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-11-03",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 987,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-11-03T20:58:12+05:30",
          "utc": "2029-11-03T15:28:12Z",
          "ms": 1888414092365.597
        },
        "end": {
          "local": "2029-11-04T17:30:12+05:30",
          "utc": "2029-11-04T12:00:12Z",
          "ms": 1888488011688.6648
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-11-03T20:58:12+05:30",
          "utc": "2029-11-03T15:28:12Z",
          "ms": 1888414092365.597
        },
        "end": {
          "local": "2029-11-04T17:30:12+05:30",
          "utc": "2029-11-04T12:00:12Z",
          "ms": 1888488011688.6648
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-11-03",
          "window": {
            "start": {
              "local": "2029-11-03T17:47:12+05:30",
              "utc": "2029-11-03T12:17:12Z",
              "ms": 1888402631659.0454
            },
            "end": {
              "local": "2029-11-03T19:29:26+05:30",
              "utc": "2029-11-03T13:59:26Z",
              "ms": 1888408766182.475
            }
          },
          "covered_min": 0,
          "window_min": 102,
          "qualifies": false
        },
        {
          "local_date": "2029-11-04",
          "window": {
            "start": {
              "local": "2029-11-04T17:46:39+05:30",
              "utc": "2029-11-04T12:16:39Z",
              "ms": 1888488998633.437
            },
            "end": {
              "local": "2029-11-04T19:29:02+05:30",
              "utc": "2029-11-04T13:59:02Z",
              "ms": 1888495142231.6926
            }
          },
          "covered_min": 0,
          "window_min": 102,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 20:58 on Sat 3 Nov to 17:30 on Sun 4 Nov.",
          "fact": "2029-11-03T15:28:12Z → 2029-11-04T12:00:12Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:47–19:29 on the 3rd, 17:47–19:29 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 102 minutes on the 3rd and 0 of 102 on the 4th.",
          "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 987 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2029: Saturday 3 November.",
          "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": "2029-11-03",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-11-03",
          "confidence": "boundary"
        }
      ],
      "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2029 falls on Saturday 3 November. Trayodaśī runs from 20:58 on Sat 3 Nov to 17:30 on Sun 4 Nov, and reaches pradoṣa on neither day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/pradosha-vrata?on=2029-11-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/shivaratri?on=2029-11-04",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-11-04",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 22585,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2029-11-04T17:30:12+05:30",
          "utc": "2029-11-04T12:00:12Z",
          "ms": 1888488011688.6648
        },
        "end": {
          "local": "2029-11-05T13:45:11+05:30",
          "utc": "2029-11-05T08:15:11Z",
          "ms": 1888560910676.6873
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-11-04T17:30:12+05:30",
          "utc": "2029-11-04T12:00:12Z",
          "ms": 1888488011688.6648
        },
        "end": {
          "local": "2029-11-05T13:45:11+05:30",
          "utc": "2029-11-05T08:15:11Z",
          "ms": 1888560910676.6873
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2029-11-04",
          "window": {
            "start": {
              "local": "2029-11-04T23:46:37+05:30",
              "utc": "2029-11-04T18:16:37Z",
              "ms": 1888510597126.8955
            },
            "end": {
              "local": "2029-11-05T00:34:37+05:30",
              "utc": "2029-11-04T19:04:37Z",
              "ms": 1888513477126.8955
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-11-05",
          "window": {
            "start": {
              "local": "2029-11-05T23:46:39+05:30",
              "utc": "2029-11-05T18:16:39Z",
              "ms": 1888596998964.7173
            },
            "end": {
              "local": "2029-11-06T00:34:39+05:30",
              "utc": "2029-11-05T19:04:39Z",
              "ms": 1888599878964.7173
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 17:30 on Sun 4 Nov to 13:45 on Mon 5 Nov.",
          "fact": "2029-11-04T12:00:12Z → 2029-11-05T08:15:11Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:47–00:35 on the 4th, 23:47–00:35 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 22585 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Ujjain, 2029: Sunday 4 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": "2029-11-04",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-11-04",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2029 falls on Sunday 4 November. Caturdaśī runs from 17:30 on Sun 4 Nov to 13:45 on Mon 5 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/shivaratri?on=2029-11-04",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/naraka-chaturdashi",
      "festival": "naraka-chaturdashi",
      "name": "Naraka Caturdaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-11-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25835,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2029-11-04T17:30:12+05:30",
          "utc": "2029-11-04T12:00:12Z",
          "ms": 1888488011688.6648
        },
        "end": {
          "local": "2029-11-05T13:45:11+05:30",
          "utc": "2029-11-05T08:15:11Z",
          "ms": 1888560910676.6873
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-11-04T17:30:12+05:30",
          "utc": "2029-11-04T12:00:12Z",
          "ms": 1888488011688.6648
        },
        "end": {
          "local": "2029-11-05T13:45:11+05:30",
          "utc": "2029-11-05T08:15:11Z",
          "ms": 1888560910676.6873
        }
      },
      "kaala": "arunodaya",
      "days": [
        {
          "local_date": "2029-11-04",
          "window": {
            "start": {
              "local": "2029-11-04T04:51:46+05:30",
              "utc": "2029-11-03T23:21:46Z",
              "ms": 1888442506061.3376
            },
            "end": {
              "local": "2029-11-04T06:34:01+05:30",
              "utc": "2029-11-04T01:04:01Z",
              "ms": 1888448640584.7673
            }
          },
          "covered_min": 0,
          "window_min": 102,
          "qualifies": false
        },
        {
          "local_date": "2029-11-05",
          "window": {
            "start": {
              "local": "2029-11-05T04:52:12+05:30",
              "utc": "2029-11-04T23:22:12Z",
              "ms": 1888528932022.0986
            },
            "end": {
              "local": "2029-11-05T06:34:36+05:30",
              "utc": "2029-11-05T01:04:36Z",
              "ms": 1888535075620.3542
            }
          },
          "covered_min": 102,
          "window_min": 102,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 17:30 on Sun 4 Nov to 13:45 on Mon 5 Nov.",
          "fact": "2029-11-04T12:00:12Z → 2029-11-05T08:15:11Z"
        },
        {
          "step": "kaala",
          "text": "Aruṇodaya is 2 muhūrtas before sunrise: 04:52–06:34 on the 4th, 04:52–06:35 on the 5th.",
          "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 102 minutes on the 4th and 102 of 102 on the 5th.",
          "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 25835 s"
        },
        {
          "step": "ruling",
          "text": "Naraka Caturdaśī, Ujjain, 2029: Monday 5 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": "2029-11-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-11-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Naraka Caturdaśī (Choti Diwali) 2029 falls on Monday 5 November. Caturdaśī runs from 17:30 on Sun 4 Nov to 13:45 on Mon 5 Nov and covers all of aruṇodaya that dawn.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/diwali-lakshmi-puja",
      "festival": "diwali-lakshmi-puja",
      "name": "Lakṣmī Pūjā",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-11-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 14456,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2029-11-05T13:45:11+05:30",
          "utc": "2029-11-05T08:15:11Z",
          "ms": 1888560910676.6873
        },
        "end": {
          "local": "2029-11-06T09:54:08+05:30",
          "utc": "2029-11-06T04:24:08Z",
          "ms": 1888633448129.022
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-11-05T13:45:11+05:30",
          "utc": "2029-11-05T08:15:11Z",
          "ms": 1888560910676.6873
        },
        "end": {
          "local": "2029-11-06T09:54:08+05:30",
          "utc": "2029-11-06T04:24:08Z",
          "ms": 1888633448129.022
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-11-05",
          "window": {
            "start": {
              "local": "2029-11-05T17:46:07+05:30",
              "utc": "2029-11-05T12:16:07Z",
              "ms": 1888575366811.31
            },
            "end": {
              "local": "2029-11-05T19:28:39+05:30",
              "utc": "2029-11-05T13:58:39Z",
              "ms": 1888581519385.552
            }
          },
          "covered_min": 103,
          "window_min": 103,
          "qualifies": true
        },
        {
          "local_date": "2029-11-06",
          "window": {
            "start": {
              "local": "2029-11-06T17:45:36+05:30",
              "utc": "2029-11-06T12:15:36Z",
              "ms": 1888661736207.7834
            },
            "end": {
              "local": "2029-11-06T19:28:18+05:30",
              "utc": "2029-11-06T13:58:18Z",
              "ms": 1888667897655.1619
            }
          },
          "covered_min": 0,
          "window_min": 103,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 13:45 on Mon 5 Nov to 09:54 on Tue 6 Nov.",
          "fact": "2029-11-05T08:15:11Z → 2029-11-06T04:24:08Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:46–19:29 on the 5th, 17:46–19:28 on the 6th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Amāvasyā must be present during pradoṣa. It covers 103 of 103 minutes on the 5th and 0 of 103 on the 6th.",
          "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 14456 s"
        },
        {
          "step": "ruling",
          "text": "Lakṣmī Pūjā, Ujjain, 2029: Monday 5 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": "2029-11-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-11-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Lakṣmī Pūjā (Diwali) 2029 falls on Monday 5 November. Amāvasyā runs from 13:45 on Mon 5 Nov to 09:54 on Tue 6 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/kali-puja",
      "festival": "kali-puja",
      "name": "Kālī Pūjā",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-11-05",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33569,
      "anga": {
        "type": "tithi",
        "index": 29,
        "key": "amavasya",
        "name": "Amāvasyā",
        "start": {
          "local": "2029-11-05T13:45:11+05:30",
          "utc": "2029-11-05T08:15:11Z",
          "ms": 1888560910676.6873
        },
        "end": {
          "local": "2029-11-06T09:54:08+05:30",
          "utc": "2029-11-06T04:24:08Z",
          "ms": 1888633448129.022
        },
        "month": {
          "amanta": 6,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Āśvina",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-11-05T13:45:11+05:30",
          "utc": "2029-11-05T08:15:11Z",
          "ms": 1888560910676.6873
        },
        "end": {
          "local": "2029-11-06T09:54:08+05:30",
          "utc": "2029-11-06T04:24:08Z",
          "ms": 1888633448129.022
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2029-11-04",
          "window": {
            "start": {
              "local": "2029-11-04T23:46:37+05:30",
              "utc": "2029-11-04T18:16:37Z",
              "ms": 1888510597126.8955
            },
            "end": {
              "local": "2029-11-05T00:34:37+05:30",
              "utc": "2029-11-04T19:04:37Z",
              "ms": 1888513477126.8955
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-11-05",
          "window": {
            "start": {
              "local": "2029-11-05T23:46:39+05:30",
              "utc": "2029-11-05T18:16:39Z",
              "ms": 1888596998964.7173
            },
            "end": {
              "local": "2029-11-06T00:34:39+05:30",
              "utc": "2029-11-05T19:04:39Z",
              "ms": 1888599878964.7173
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Amāvasyā runs from 13:45 on Mon 5 Nov to 09:54 on Tue 6 Nov.",
          "fact": "2029-11-05T08:15:11Z → 2029-11-06T04:24:08Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:47–00:35 on the 4th, 23:47–00:35 on the 5th.",
          "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 4th and 48 of 48 on the 5th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one night qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 33569 s"
        },
        {
          "step": "ruling",
          "text": "Kālī Pūjā, Ujjain, 2029: Monday 5 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": "2029-11-05",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-11-05",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Kālī Pūjā 2029 falls on Monday 5 November. Amāvasyā runs from 13:45 on Mon 5 Nov to 09:54 on Tue 6 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/govardhana-puja",
      "festival": "govardhana-puja",
      "name": "Govardhana Pūjā",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-11-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 6736,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2029-11-06T09:54:08+05:30",
          "utc": "2029-11-06T04:24:08Z",
          "ms": 1888633448129.022
        },
        "end": {
          "local": "2029-11-07T06:08:08+05:30",
          "utc": "2029-11-07T00:38:08Z",
          "ms": 1888706288442.0498
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-11-06T09:54:08+05:30",
          "utc": "2029-11-06T04:24:08Z",
          "ms": 1888633448129.022
        },
        "end": {
          "local": "2029-11-07T06:08:08+05:30",
          "utc": "2029-11-07T00:38:08Z",
          "ms": 1888706288442.0498
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-11-06",
          "window": {
            "start": {
              "local": "2029-11-06T11:46:24+05:30",
              "utc": "2029-11-06T06:16:24Z",
              "ms": 1888640183662.954
            },
            "end": {
              "local": "2029-11-06T12:34:24+05:30",
              "utc": "2029-11-06T07:04:24Z",
              "ms": 1888643063662.954
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-11-07",
          "window": {
            "start": {
              "local": "2029-11-07T11:46:27+05:30",
              "utc": "2029-11-07T06:16:27Z",
              "ms": 1888726586949.9795
            },
            "end": {
              "local": "2029-11-07T12:34:27+05:30",
              "utc": "2029-11-07T07:04:27Z",
              "ms": 1888729466949.9795
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 09:54 on Tue 6 Nov to 06:08 on Wed 7 Nov.",
          "fact": "2029-11-06T04:24:08Z → 2029-11-07T00:38:08Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 6th, 11:46–12:34 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 48 of 48 minutes on the 6th and 0 of 48 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 6736 s"
        },
        {
          "step": "ruling",
          "text": "Govardhana Pūjā, Ujjain, 2029: Tuesday 6 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": "2029-11-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-11-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Govardhana Pūjā 2029 falls on Tuesday 6 November. Pratipadā runs from 09:54 on Tue 6 Nov to 06:08 on Wed 7 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/bali-puja",
      "festival": "bali-puja",
      "name": "Bali Pūjā",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-11-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28288,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2029-11-06T09:54:08+05:30",
          "utc": "2029-11-06T04:24:08Z",
          "ms": 1888633448129.022
        },
        "end": {
          "local": "2029-11-07T06:08:08+05:30",
          "utc": "2029-11-07T00:38:08Z",
          "ms": 1888706288442.0498
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-11-06T09:54:08+05:30",
          "utc": "2029-11-06T04:24:08Z",
          "ms": 1888633448129.022
        },
        "end": {
          "local": "2029-11-07T06:08:08+05:30",
          "utc": "2029-11-07T00:38:08Z",
          "ms": 1888706288442.0498
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-11-06",
          "window": {
            "start": {
              "local": "2029-11-06T17:45:36+05:30",
              "utc": "2029-11-06T12:15:36Z",
              "ms": 1888661736207.7834
            },
            "end": {
              "local": "2029-11-06T19:28:18+05:30",
              "utc": "2029-11-06T13:58:18Z",
              "ms": 1888667897655.1619
            }
          },
          "covered_min": 103,
          "window_min": 103,
          "qualifies": true
        },
        {
          "local_date": "2029-11-07",
          "window": {
            "start": {
              "local": "2029-11-07T17:45:07+05:30",
              "utc": "2029-11-07T12:15:07Z",
              "ms": 1888748106836.8381
            },
            "end": {
              "local": "2029-11-07T19:27:57+05:30",
              "utc": "2029-11-07T13:57:57Z",
              "ms": 1888754277050.4465
            }
          },
          "covered_min": 0,
          "window_min": 103,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 09:54 on Tue 6 Nov to 06:08 on Wed 7 Nov.",
          "fact": "2029-11-06T04:24:08Z → 2029-11-07T00:38:08Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:46–19:28 on the 6th, 17:45–19:28 on the 7th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during pradoṣa. It covers 103 of 103 minutes on the 6th and 0 of 103 on the 7th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one evening qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 28288 s"
        },
        {
          "step": "ruling",
          "text": "Bali Pūjā, Ujjain, 2029: Tuesday 6 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": "2029-11-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-11-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Bali Pūjā 2029 falls on Tuesday 6 November. Pratipadā runs from 09:54 on Tue 6 Nov to 06:08 on Wed 7 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/dyuta-pratipad",
      "festival": "dyuta-pratipad",
      "name": "Dyūta Pratipad",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-11-06",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1471,
      "anga": {
        "type": "tithi",
        "index": 0,
        "key": "pratipada",
        "name": "Pratipadā",
        "start": {
          "local": "2029-11-06T09:54:08+05:30",
          "utc": "2029-11-06T04:24:08Z",
          "ms": 1888633448129.022
        },
        "end": {
          "local": "2029-11-07T06:08:08+05:30",
          "utc": "2029-11-07T00:38:08Z",
          "ms": 1888706288442.0498
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-11-06T09:54:08+05:30",
          "utc": "2029-11-06T04:24:08Z",
          "ms": 1888633448129.022
        },
        "end": {
          "local": "2029-11-07T06:08:08+05:30",
          "utc": "2029-11-07T00:38:08Z",
          "ms": 1888706288442.0498
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2029-11-06",
          "window": {
            "start": {
              "local": "2029-11-06T06:35:11+05:30",
              "utc": "2029-11-06T01:05:11Z",
              "ms": 1888621511118.1245
            },
            "end": {
              "local": "2029-11-06T10:18:39+05:30",
              "utc": "2029-11-06T04:48:39Z",
              "ms": 1888634919481.3442
            }
          },
          "covered_min": 25,
          "window_min": 223,
          "qualifies": true
        },
        {
          "local_date": "2029-11-07",
          "window": {
            "start": {
              "local": "2029-11-07T06:35:47+05:30",
              "utc": "2029-11-07T01:05:47Z",
              "ms": 1888707947063.1208
            },
            "end": {
              "local": "2029-11-07T10:18:54+05:30",
              "utc": "2029-11-07T04:48:54Z",
              "ms": 1888721333654.3599
            }
          },
          "covered_min": 0,
          "window_min": 223,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pratipadā runs from 09:54 on Tue 6 Nov to 06:08 on Wed 7 Nov.",
          "fact": "2029-11-06T04:24:08Z → 2029-11-07T00:38:08Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:35–10:19 on the 6th, 06:36–10:19 on the 7th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pratipadā must be present during pūrvāhṇa. It covers 25 of 223 minutes on the 6th and 0 of 223 on the 7th.",
          "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 1471 s"
        },
        {
          "step": "ruling",
          "text": "Dyūta Pratipad, Ujjain, 2029: Tuesday 6 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": "2029-11-06",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-11-06",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Dyūta Pratipad 2029 falls on Tuesday 6 November. Pratipadā runs from 09:54 on Tue 6 Nov to 06:08 on Wed 7 Nov and covers 25 of 223 minutes of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/yama-dvitiya",
      "festival": "yama-dvitiya",
      "name": "Yama Dvitīyā",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-11-07",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20299,
      "anga": {
        "type": "tithi",
        "index": 1,
        "key": "dvitiya",
        "name": "Dvitīyā",
        "start": {
          "local": "2029-11-07T06:08:08+05:30",
          "utc": "2029-11-07T00:38:08Z",
          "ms": 1888706288442.0498
        },
        "end": {
          "local": "2029-11-08T02:37:56+05:30",
          "utc": "2029-11-07T21:07:56Z",
          "ms": 1888780075713.0637
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-11-07T06:08:08+05:30",
          "utc": "2029-11-07T00:38:08Z",
          "ms": 1888706288442.0498
        },
        "end": {
          "local": "2029-11-08T02:37:56+05:30",
          "utc": "2029-11-07T21:07:56Z",
          "ms": 1888780075713.0637
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-11-07",
          "window": {
            "start": {
              "local": "2029-11-07T11:46:27+05:30",
              "utc": "2029-11-07T06:16:27Z",
              "ms": 1888726586949.9795
            },
            "end": {
              "local": "2029-11-07T12:34:27+05:30",
              "utc": "2029-11-07T07:04:27Z",
              "ms": 1888729466949.9795
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-11-08",
          "window": {
            "start": {
              "local": "2029-11-08T11:46:31+05:30",
              "utc": "2029-11-08T06:16:31Z",
              "ms": 1888812991075.4663
            },
            "end": {
              "local": "2029-11-08T12:34:31+05:30",
              "utc": "2029-11-08T07:04:31Z",
              "ms": 1888815871075.4663
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvitīyā runs from 06:08 on Wed 7 Nov to 02:38 on Thu 8 Nov.",
          "fact": "2029-11-07T00:38:08Z → 2029-11-07T21:07:56Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 7th, 11:47–12:35 on the 8th.",
          "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 7th and 0 of 48 on the 8th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 20299 s"
        },
        {
          "step": "ruling",
          "text": "Yama Dvitīyā, Ujjain, 2029: Wednesday 7 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": "2029-11-07",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-11-07",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Yama Dvitīyā (Bhai Dooj) 2029 falls on Wednesday 7 November. Dvitīyā runs from 06:08 on Wed 7 Nov to 02:38 on Thu 8 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/naga-chaturthi",
      "festival": "naga-chaturthi",
      "name": "Nāga Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-11-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30530,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-11-08T23:33:28+05:30",
          "utc": "2029-11-08T18:03:28Z",
          "ms": 1888855407631.1177
        },
        "end": {
          "local": "2029-11-09T21:03:26+05:30",
          "utc": "2029-11-09T15:33:26Z",
          "ms": 1888932805919.213
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-11-08T23:33:28+05:30",
          "utc": "2029-11-08T18:03:28Z",
          "ms": 1888855407631.1177
        },
        "end": {
          "local": "2029-11-09T21:03:26+05:30",
          "utc": "2029-11-09T15:33:26Z",
          "ms": 1888932805919.213
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-11-08",
          "window": {
            "start": {
              "local": "2029-11-08T11:46:31+05:30",
              "utc": "2029-11-08T06:16:31Z",
              "ms": 1888812991075.4663
            },
            "end": {
              "local": "2029-11-08T12:34:31+05:30",
              "utc": "2029-11-08T07:04:31Z",
              "ms": 1888815871075.4663
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-11-09",
          "window": {
            "start": {
              "local": "2029-11-09T11:46:36+05:30",
              "utc": "2029-11-09T06:16:36Z",
              "ms": 1888899396037.671
            },
            "end": {
              "local": "2029-11-09T12:34:36+05:30",
              "utc": "2029-11-09T07:04:36Z",
              "ms": 1888902276037.671
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:33 on Thu 8 Nov to 21:03 on Fri 9 Nov.",
          "fact": "2029-11-08T18:03:28Z → 2029-11-09T15:33:26Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 8th, 11:47–12:35 on the 9th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 30530 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Caturthī, Ujjain, 2029: Friday 9 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": "2029-11-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-11-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Nāga Caturthī 2029 falls on Friday 9 November. Caturthī runs from 23:33 on Thu 8 Nov to 21:03 on Fri 9 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/vinayaka-chaturthi?on=2029-11-09",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-11-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 30530,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-11-08T23:33:28+05:30",
          "utc": "2029-11-08T18:03:28Z",
          "ms": 1888855407631.1177
        },
        "end": {
          "local": "2029-11-09T21:03:26+05:30",
          "utc": "2029-11-09T15:33:26Z",
          "ms": 1888932805919.213
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-11-08T23:33:28+05:30",
          "utc": "2029-11-08T18:03:28Z",
          "ms": 1888855407631.1177
        },
        "end": {
          "local": "2029-11-09T21:03:26+05:30",
          "utc": "2029-11-09T15:33:26Z",
          "ms": 1888932805919.213
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-11-08",
          "window": {
            "start": {
              "local": "2029-11-08T11:46:31+05:30",
              "utc": "2029-11-08T06:16:31Z",
              "ms": 1888812991075.4663
            },
            "end": {
              "local": "2029-11-08T12:34:31+05:30",
              "utc": "2029-11-08T07:04:31Z",
              "ms": 1888815871075.4663
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-11-09",
          "window": {
            "start": {
              "local": "2029-11-09T11:46:36+05:30",
              "utc": "2029-11-09T06:16:36Z",
              "ms": 1888899396037.671
            },
            "end": {
              "local": "2029-11-09T12:34:36+05:30",
              "utc": "2029-11-09T07:04:36Z",
              "ms": 1888902276037.671
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 23:33 on Thu 8 Nov to 21:03 on Fri 9 Nov.",
          "fact": "2029-11-08T18:03:28Z → 2029-11-09T15:33:26Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 8th, 11:47–12:35 on the 9th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 0 of 48 minutes on the 8th and 48 of 48 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 30530 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Ujjain, 2029: Friday 9 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": "2029-11-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-11-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Vināyaka Caturthī 2029 falls on Friday 9 November. Caturthī runs from 23:33 on Thu 8 Nov to 21:03 on Fri 9 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/vinayaka-chaturthi?on=2029-11-09",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/surya-shashthi",
      "festival": "surya-shashthi",
      "name": "Sūrya Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-11-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 20214,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2029-11-10T19:14:42+05:30",
          "utc": "2029-11-10T13:44:42Z",
          "ms": 1889012682276.8022
        },
        "end": {
          "local": "2029-11-11T18:11:42+05:30",
          "utc": "2029-11-11T12:41:42Z",
          "ms": 1889095302350.9163
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-11-10T19:14:42+05:30",
          "utc": "2029-11-10T13:44:42Z",
          "ms": 1889012682276.8022
        },
        "end": {
          "local": "2029-11-11T18:11:42+05:30",
          "utc": "2029-11-11T12:41:42Z",
          "ms": 1889095302350.9163
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-11-10",
          "window": {
            "start": {
              "local": "2029-11-10T11:46:42+05:30",
              "utc": "2029-11-10T06:16:42Z",
              "ms": 1888985801835.0269
            },
            "end": {
              "local": "2029-11-10T12:34:42+05:30",
              "utc": "2029-11-10T07:04:42Z",
              "ms": 1888988681835.0269
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-11-11",
          "window": {
            "start": {
              "local": "2029-11-11T11:46:48+05:30",
              "utc": "2029-11-11T06:16:48Z",
              "ms": 1889072208466.349
            },
            "end": {
              "local": "2029-11-11T12:34:48+05:30",
              "utc": "2029-11-11T07:04:48Z",
              "ms": 1889075088466.349
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 19:15 on Sat 10 Nov to 18:12 on Sun 11 Nov.",
          "fact": "2029-11-10T13:44:42Z → 2029-11-11T12:41:42Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 10th, 11:47–12:35 on the 11th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 20214 s"
        },
        {
          "step": "ruling",
          "text": "Sūrya Ṣaṣṭhī, Ujjain, 2029: Sunday 11 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": "2029-11-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-11-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Sūrya Ṣaṣṭhī (Chhath) 2029 falls on Sunday 11 November. Ṣaṣṭhī runs from 19:15 on Sat 10 Nov to 18:12 on Sun 11 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/gopashtami",
      "festival": "gopashtami",
      "name": "Gopāṣṭamī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-11-13",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 19259,
      "anga": {
        "type": "tithi",
        "index": 7,
        "key": "ashtami",
        "name": "Aṣṭamī",
        "start": {
          "local": "2029-11-12T17:55:55+05:30",
          "utc": "2029-11-12T12:25:55Z",
          "ms": 1889180754708.6565
        },
        "end": {
          "local": "2029-11-13T18:25:35+05:30",
          "utc": "2029-11-13T12:55:35Z",
          "ms": 1889268935319.4612
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-11-12T17:55:55+05:30",
          "utc": "2029-11-12T12:25:55Z",
          "ms": 1889180754708.6565
        },
        "end": {
          "local": "2029-11-13T18:25:35+05:30",
          "utc": "2029-11-13T12:55:35Z",
          "ms": 1889268935319.4612
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-11-12",
          "window": {
            "start": {
              "local": "2029-11-12T11:46:56+05:30",
              "utc": "2029-11-12T06:16:56Z",
              "ms": 1889158615930.7905
            },
            "end": {
              "local": "2029-11-12T12:34:56+05:30",
              "utc": "2029-11-12T07:04:56Z",
              "ms": 1889161495930.7905
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-11-13",
          "window": {
            "start": {
              "local": "2029-11-13T11:47:04+05:30",
              "utc": "2029-11-13T06:17:04Z",
              "ms": 1889245024227.645
            },
            "end": {
              "local": "2029-11-13T12:35:04+05:30",
              "utc": "2029-11-13T07:05:04Z",
              "ms": 1889247904227.645
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Aṣṭamī runs from 17:56 on Mon 12 Nov to 18:26 on Tue 13 Nov.",
          "fact": "2029-11-12T12:25:55Z → 2029-11-13T12:55:35Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 12th, 11:47–12:35 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: unstated → only-day · margin 19259 s"
        },
        {
          "step": "ruling",
          "text": "Gopāṣṭamī, Ujjain, 2029: Tuesday 13 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": "2029-11-13",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-11-13",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Gopāṣṭamī 2029 falls on Tuesday 13 November. Aṣṭamī runs from 17:56 on Mon 12 Nov to 18:26 on Tue 13 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/akshaya-navami",
      "festival": "akshaya-navami",
      "name": "Akṣaya Navamī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-11-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 29102,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2029-11-13T18:25:35+05:30",
          "utc": "2029-11-13T12:55:35Z",
          "ms": 1889268935319.4612
        },
        "end": {
          "local": "2029-11-14T19:35:58+05:30",
          "utc": "2029-11-14T14:05:58Z",
          "ms": 1889359557754.9604
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-11-13T18:25:35+05:30",
          "utc": "2029-11-13T12:55:35Z",
          "ms": 1889268935319.4612
        },
        "end": {
          "local": "2029-11-14T19:35:58+05:30",
          "utc": "2029-11-14T14:05:58Z",
          "ms": 1889359557754.9604
        }
      },
      "kaala": "purvahna",
      "days": [
        {
          "local_date": "2029-11-13",
          "window": {
            "start": {
              "local": "2029-11-13T06:39:31+05:30",
              "utc": "2029-11-13T01:09:31Z",
              "ms": 1889226571178.6206
            },
            "end": {
              "local": "2029-11-13T10:20:33+05:30",
              "utc": "2029-11-13T04:50:33Z",
              "ms": 1889239833211.3035
            }
          },
          "covered_min": 0,
          "window_min": 221,
          "qualifies": false
        },
        {
          "local_date": "2029-11-14",
          "window": {
            "start": {
              "local": "2029-11-14T06:40:10+05:30",
              "utc": "2029-11-14T01:10:10Z",
              "ms": 1889313009781.0798
            },
            "end": {
              "local": "2029-11-14T10:20:52+05:30",
              "utc": "2029-11-14T04:50:52Z",
              "ms": 1889326252164.4316
            }
          },
          "covered_min": 221,
          "window_min": 221,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 18:26 on Tue 13 Nov to 19:36 on Wed 14 Nov.",
          "fact": "2029-11-13T12:55:35Z → 2029-11-14T14:05:58Z"
        },
        {
          "step": "kaala",
          "text": "Pūrvāhṇa is first 5 of 15 day muhūrtas: 06:40–10:21 on the 13th, 06:40–10:21 on the 14th.",
          "fact": "purvahna: day-muhurta-1-5 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Navamī must be present during pūrvāhṇa. It covers 0 of 221 minutes on the 13th and 221 of 221 on the 14th.",
          "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 29102 s"
        },
        {
          "step": "ruling",
          "text": "Akṣaya Navamī, Ujjain, 2029: Wednesday 14 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "akshaya-navami",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 104",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata."
          }
        ],
        "kaala": "purvahna",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-11-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-11-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Akṣaya Navamī (Amla Navami) 2029 falls on Wednesday 14 November. Navamī runs from 18:26 on Tue 13 Nov to 19:36 on Wed 14 Nov and covers all of pūrvāhṇa that forenoon.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/durga-navami",
      "festival": "durga-navami",
      "name": "Durgā Navamī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-11-14",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 21031,
      "anga": {
        "type": "tithi",
        "index": 8,
        "key": "navami",
        "name": "Navamī",
        "start": {
          "local": "2029-11-13T18:25:35+05:30",
          "utc": "2029-11-13T12:55:35Z",
          "ms": 1889268935319.4612
        },
        "end": {
          "local": "2029-11-14T19:35:58+05:30",
          "utc": "2029-11-14T14:05:58Z",
          "ms": 1889359557754.9604
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-11-13T18:25:35+05:30",
          "utc": "2029-11-13T12:55:35Z",
          "ms": 1889268935319.4612
        },
        "end": {
          "local": "2029-11-14T19:35:58+05:30",
          "utc": "2029-11-14T14:05:58Z",
          "ms": 1889359557754.9604
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-11-13",
          "window": {
            "start": {
              "local": "2029-11-13T11:47:04+05:30",
              "utc": "2029-11-13T06:17:04Z",
              "ms": 1889245024227.645
            },
            "end": {
              "local": "2029-11-13T12:35:04+05:30",
              "utc": "2029-11-13T07:05:04Z",
              "ms": 1889247904227.645
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-11-14",
          "window": {
            "start": {
              "local": "2029-11-14T11:47:13+05:30",
              "utc": "2029-11-14T06:17:13Z",
              "ms": 1889331433356.1074
            },
            "end": {
              "local": "2029-11-14T12:35:13+05:30",
              "utc": "2029-11-14T07:05:13Z",
              "ms": 1889334313356.1074
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Navamī runs from 18:26 on Tue 13 Nov to 19:36 on Wed 14 Nov.",
          "fact": "2029-11-13T12:55:35Z → 2029-11-14T14:05:58Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 13th, 11:47–12:35 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 21031 s"
        },
        {
          "step": "ruling",
          "text": "Durgā Navamī, Ujjain, 2029: Wednesday 14 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": "2029-11-14",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-11-14",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Durgā Navamī 2029 falls on Wednesday 14 November. Navamī runs from 18:26 on Tue 13 Nov to 19:36 on Wed 14 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/ekadashi?on=2029-11-16",
      "festival": "ekadashi",
      "name": "Prabodhinī Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-11-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25996,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-11-15T21:19:53+05:30",
          "utc": "2029-11-15T15:49:53Z",
          "ms": 1889452192940.7258
        },
        "end": {
          "local": "2029-11-16T23:28:51+05:30",
          "utc": "2029-11-16T17:58:51Z",
          "ms": 1889546331235.499
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-11-15T21:19:53+05:30",
          "utc": "2029-11-15T15:49:53Z",
          "ms": 1889452192940.7258
        },
        "end": {
          "local": "2029-11-16T23:28:51+05:30",
          "utc": "2029-11-16T17:58:51Z",
          "ms": 1889546331235.499
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-11-16",
          "window": {
            "start": {
              "local": "2029-11-16T06:41:28+05:30",
              "utc": "2029-11-16T01:11:28Z",
              "ms": 1889485887906.4785
            },
            "end": {
              "local": "2029-11-16T06:41:28+05:30",
              "utc": "2029-11-16T01:11:28Z",
              "ms": 1889485887906.4785
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2029-11-17",
          "window": {
            "start": {
              "local": "2029-11-17T06:42:07+05:30",
              "utc": "2029-11-17T01:12:07Z",
              "ms": 1889572327394.1057
            },
            "end": {
              "local": "2029-11-17T06:42:07+05:30",
              "utc": "2029-11-17T01:12:07Z",
              "ms": 1889572327394.1057
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 21:20 on Thu 15 Nov to 23:29 on Fri 16 Nov.",
          "fact": "2029-11-15T15:49:53Z → 2029-11-16T17:58:51Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:41 on the 16th and 06:42 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 25996 s"
        },
        {
          "step": "ruling",
          "text": "Prabodhinī Ekādaśī, Ujjain, 2029: Friday 16 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-11-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-11-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Prabodhinī Ekādaśī 2029 falls on Friday 16 November. Ekādaśī runs from 21:20 on Thu 15 Nov to 23:29 on Fri 16 Nov and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-11-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/pradosha-vrata?on=2029-11-18",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-11-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23315,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-11-18T01:54:10+05:30",
          "utc": "2029-11-17T20:24:10Z",
          "ms": 1889641449694.7761
        },
        "end": {
          "local": "2029-11-19T04:27:45+05:30",
          "utc": "2029-11-18T22:57:45Z",
          "ms": 1889737065032.6047
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-11-18T01:54:10+05:30",
          "utc": "2029-11-17T20:24:10Z",
          "ms": 1889641449694.7761
        },
        "end": {
          "local": "2029-11-19T04:27:45+05:30",
          "utc": "2029-11-18T22:57:45Z",
          "ms": 1889737065032.6047
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-11-17",
          "window": {
            "start": {
              "local": "2029-11-17T17:41:24+05:30",
              "utc": "2029-11-17T12:11:24Z",
              "ms": 1889611884040.6355
            },
            "end": {
              "local": "2029-11-17T19:25:35+05:30",
              "utc": "2029-11-17T13:55:35Z",
              "ms": 1889618135120.5889
            }
          },
          "covered_min": 0,
          "window_min": 104,
          "qualifies": false
        },
        {
          "local_date": "2029-11-18",
          "window": {
            "start": {
              "local": "2029-11-18T17:41:09+05:30",
              "utc": "2029-11-18T12:11:09Z",
              "ms": 1889698269170.8804
            },
            "end": {
              "local": "2029-11-18T19:25:28+05:30",
              "utc": "2029-11-18T13:55:28Z",
              "ms": 1889704527564.8213
            }
          },
          "covered_min": 104,
          "window_min": 104,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 01:54 on Sun 18 Nov to 04:28 on Mon 19 Nov.",
          "fact": "2029-11-17T20:24:10Z → 2029-11-18T22:57:45Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:41–19:26 on the 17th, 17:41–19:25 on the 18th.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 104 minutes on the 17th and 104 of 104 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 23315 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Ujjain, 2029: Sunday 18 November.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "pradosha-vrata",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "Pradosa-vrata — The sukla and krsna trayodasi tithis of each month when cover the period of 'pradosa', are observed as Pradosa-vratas."
          }
        ],
        "kaala": "pradosha",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-11-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-11-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śukla Pradoṣa Vrata 2029 falls on Sunday 18 November. Trayodaśī runs from 01:54 on Sun 18 Nov to 04:28 on Mon 19 Nov and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/pradosha-vrata?on=2029-11-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/kartiki-purnima",
      "festival": "kartiki-purnima",
      "name": "Kārtikī Pūrṇimā",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-11-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8142,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2029-11-20T07:02:40+05:30",
          "utc": "2029-11-20T01:32:40Z",
          "ms": 1889832759556.747
        },
        "end": {
          "local": "2029-11-21T09:32:59+05:30",
          "utc": "2029-11-21T04:02:59Z",
          "ms": 1889928178740.2952
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-11-20T07:02:40+05:30",
          "utc": "2029-11-20T01:32:40Z",
          "ms": 1889832759556.747
        },
        "end": {
          "local": "2029-11-21T09:32:59+05:30",
          "utc": "2029-11-21T04:02:59Z",
          "ms": 1889928178740.2952
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-11-20",
          "window": {
            "start": {
              "local": "2029-11-20T11:48:25+05:30",
              "utc": "2029-11-20T06:18:25Z",
              "ms": 1889849905487.5095
            },
            "end": {
              "local": "2029-11-20T12:36:25+05:30",
              "utc": "2029-11-20T07:06:25Z",
              "ms": 1889852785487.5095
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-11-21",
          "window": {
            "start": {
              "local": "2029-11-21T11:48:40+05:30",
              "utc": "2029-11-21T06:18:40Z",
              "ms": 1889936320371.2212
            },
            "end": {
              "local": "2029-11-21T12:36:40+05:30",
              "utc": "2029-11-21T07:06:40Z",
              "ms": 1889939200371.2212
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 07:03 on Tue 20 Nov to 09:33 on Wed 21 Nov.",
          "fact": "2029-11-20T01:32:40Z → 2029-11-21T04:02:59Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:48–12:36 on the 20th, 11:49–12:37 on the 21st.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during madhyāhna. It covers 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. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 8142 s"
        },
        {
          "step": "ruling",
          "text": "Kārtikī Pūrṇimā, Ujjain, 2029: Tuesday 20 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": "2029-11-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-11-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Kārtikī Pūrṇimā 2029 falls on Tuesday 20 November. Pūrṇimā runs from 07:03 on Tue 20 Nov to 09:33 on Wed 21 Nov and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/rasayatra",
      "festival": "rasayatra",
      "name": "Rāsayātrā",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-11-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23168,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2029-11-20T07:02:40+05:30",
          "utc": "2029-11-20T01:32:40Z",
          "ms": 1889832759556.747
        },
        "end": {
          "local": "2029-11-21T09:32:59+05:30",
          "utc": "2029-11-21T04:02:59Z",
          "ms": 1889928178740.2952
        },
        "month": {
          "amanta": 7,
          "purnimanta": 7,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Kārtika"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-11-20T07:02:40+05:30",
          "utc": "2029-11-20T01:32:40Z",
          "ms": 1889832759556.747
        },
        "end": {
          "local": "2029-11-21T09:32:59+05:30",
          "utc": "2029-11-21T04:02:59Z",
          "ms": 1889928178740.2952
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2029-11-19",
          "window": {
            "start": {
              "local": "2029-11-19T23:48:32+05:30",
              "utc": "2029-11-19T18:18:32Z",
              "ms": 1889806711515.6309
            },
            "end": {
              "local": "2029-11-20T00:36:32+05:30",
              "utc": "2029-11-19T19:06:32Z",
              "ms": 1889809591515.6309
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-11-20",
          "window": {
            "start": {
              "local": "2029-11-20T23:48:46+05:30",
              "utc": "2029-11-20T18:18:46Z",
              "ms": 1889893125687.8418
            },
            "end": {
              "local": "2029-11-21T00:36:46+05:30",
              "utc": "2029-11-20T19:06:46Z",
              "ms": 1889896005687.8418
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 07:03 on Tue 20 Nov to 09:33 on Wed 21 Nov.",
          "fact": "2029-11-20T01:32:40Z → 2029-11-21T04:02:59Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:49–00:37 on the 19th, 23:49–00:37 on the 20th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pūrṇimā must be present during niśītha. It covers 0 of 48 minutes on the 19th and 48 of 48 on the 20th.",
          "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 23168 s"
        },
        {
          "step": "ruling",
          "text": "Rāsayātrā, Ujjain, 2029: Tuesday 20 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": "2029-11-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-11-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Rāsayātrā 2029 falls on Tuesday 20 November. Pūrṇimā runs from 07:03 on Tue 20 Nov to 09:33 on Wed 21 Nov and covers all of niśītha that night.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/sankashta-chaturthi?on=2029-11-24",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-11-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 15047,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-11-24T15:44:49+05:30",
          "utc": "2029-11-24T10:14:49Z",
          "ms": 1890209688795.1973
        },
        "end": {
          "local": "2029-11-25T17:05:06+05:30",
          "utc": "2029-11-25T11:35:06Z",
          "ms": 1890300905908.115
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-11-24T15:44:49+05:30",
          "utc": "2029-11-24T10:14:49Z",
          "ms": 1890209688795.1973
        },
        "end": {
          "local": "2029-11-25T17:05:06+05:30",
          "utc": "2029-11-25T11:35:06Z",
          "ms": 1890300905908.115
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2029-11-24",
          "window": {
            "start": {
              "local": "2029-11-24T20:20:42+05:30",
              "utc": "2029-11-24T14:50:42Z",
              "ms": 1890226242400.994
            },
            "end": {
              "local": "2029-11-24T20:20:42+05:30",
              "utc": "2029-11-24T14:50:42Z",
              "ms": 1890226242400.994
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2029-11-25",
          "window": {
            "start": {
              "local": "2029-11-25T21:15:53+05:30",
              "utc": "2029-11-25T15:45:53Z",
              "ms": 1890315952676.7778
            },
            "end": {
              "local": "2029-11-25T21:15:53+05:30",
              "utc": "2029-11-25T15:45:53Z",
              "ms": 1890315952676.7778
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 15:45 on Sat 24 Nov to 17:05 on Sun 25 Nov.",
          "fact": "2029-11-24T10:14:49Z → 2029-11-25T11:35:06Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:21 on the 24th and 21:16 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 15047 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Ujjain, 2029: Saturday 24 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": "2029-11-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-11-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2029 falls on Saturday 24 November. Caturthī runs from 15:45 on Sat 24 Nov to 17:05 on Sun 25 Nov and is current at moonrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/sankashta-chaturthi?on=2029-11-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/ekadashi?on=2029-12-02",
      "festival": "ekadashi",
      "name": "Utpannā Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-12-02",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 10792,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-12-01T12:40:05+05:30",
          "utc": "2029-12-01T07:10:05Z",
          "ms": 1890803404740.3086
        },
        "end": {
          "local": "2029-12-02T09:52:10+05:30",
          "utc": "2029-12-02T04:22:10Z",
          "ms": 1890879730168.9192
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-12-01T12:40:05+05:30",
          "utc": "2029-12-01T07:10:05Z",
          "ms": 1890803404740.3086
        },
        "end": {
          "local": "2029-12-02T09:52:10+05:30",
          "utc": "2029-12-02T04:22:10Z",
          "ms": 1890879730168.9192
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-12-01",
          "window": {
            "start": {
              "local": "2029-12-01T06:51:37+05:30",
              "utc": "2029-12-01T01:21:37Z",
              "ms": 1890782497027.3875
            },
            "end": {
              "local": "2029-12-01T06:51:37+05:30",
              "utc": "2029-12-01T01:21:37Z",
              "ms": 1890782497027.3875
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2029-12-02",
          "window": {
            "start": {
              "local": "2029-12-02T06:52:18+05:30",
              "utc": "2029-12-02T01:22:18Z",
              "ms": 1890868937835.7346
            },
            "end": {
              "local": "2029-12-02T06:52:18+05:30",
              "utc": "2029-12-02T01:22:18Z",
              "ms": 1890868937835.7346
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 12:40 on Sat 1 Dec to 09:52 on Sun 2 Dec.",
          "fact": "2029-12-01T07:10:05Z → 2029-12-02T04:22:10Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 06:52 on the 1st and 06:52 on the 2nd.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 1st and is on the 2nd.",
          "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 10792 s"
        },
        {
          "step": "ruling",
          "text": "Utpannā Ekādaśī, Ujjain, 2029: Sunday 2 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-12-02",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-12-02",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Utpannā Ekādaśī 2029 falls on Sunday 2 December. Ekādaśī runs from 12:40 on Sat 1 Dec to 09:52 on Sun 2 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-12-02",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/pradosha-vrata?on=2029-12-03",
      "festival": "pradosha-vrata",
      "name": "Kṛṣṇa Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-12-03",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 28244,
      "anga": {
        "type": "tithi",
        "index": 27,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-12-03T06:41:36+05:30",
          "utc": "2029-12-03T01:11:36Z",
          "ms": 1890954696396.2202
        },
        "end": {
          "local": "2029-12-04T03:16:50+05:30",
          "utc": "2029-12-03T21:46:50Z",
          "ms": 1891028809819.9346
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-12-03T06:41:36+05:30",
          "utc": "2029-12-03T01:11:36Z",
          "ms": 1890954696396.2202
        },
        "end": {
          "local": "2029-12-04T03:16:50+05:30",
          "utc": "2029-12-03T21:46:50Z",
          "ms": 1891028809819.9346
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-12-02",
          "window": {
            "start": {
              "local": "2029-12-02T17:40:12+05:30",
              "utc": "2029-12-02T12:10:12Z",
              "ms": 1890907811840.0498
            },
            "end": {
              "local": "2029-12-02T19:25:54+05:30",
              "utc": "2029-12-02T13:55:54Z",
              "ms": 1890914154059.1611
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        },
        {
          "local_date": "2029-12-03",
          "window": {
            "start": {
              "local": "2029-12-03T17:40:19+05:30",
              "utc": "2029-12-03T12:10:19Z",
              "ms": 1890994218646.4585
            },
            "end": {
              "local": "2029-12-03T19:26:05+05:30",
              "utc": "2029-12-03T13:56:05Z",
              "ms": 1891000565350.886
            }
          },
          "covered_min": 106,
          "window_min": 106,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 06:42 on Mon 3 Dec to 03:17 on Tue 4 Dec.",
          "fact": "2029-12-03T01:11:36Z → 2029-12-03T21:46:50Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:40–19:26 on the 2nd, 17:40–19:26 on the 3rd.",
          "fact": "pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Trayodaśī must be present during pradoṣa. It covers 0 of 106 minutes on the 2nd and 106 of 106 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 28244 s"
        },
        {
          "step": "ruling",
          "text": "Kṛṣṇa Pradoṣa Vrata, Ujjain, 2029: Monday 3 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": "2029-12-03",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-12-03",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Kṛṣṇa Pradoṣa Vrata 2029 falls on Monday 3 December. Trayodaśī runs from 06:42 on Mon 3 Dec to 03:17 on Tue 4 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/pradosha-vrata?on=2029-12-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/shivaratri?on=2029-12-03",
      "festival": "shivaratri",
      "name": "Śivarātri",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-12-03",
      "confidence": "boundary",
      "boundary_reasons": [
        "absent-unstated"
      ],
      "boundary_margin_s": 377,
      "anga": {
        "type": "tithi",
        "index": 28,
        "key": "chaturdashi",
        "name": "Caturdaśī",
        "start": {
          "local": "2029-12-04T03:16:50+05:30",
          "utc": "2029-12-03T21:46:50Z",
          "ms": 1891028809819.9346
        },
        "end": {
          "local": "2029-12-04T23:47:06+05:30",
          "utc": "2029-12-04T18:17:06Z",
          "ms": 1891102626320.0356
        },
        "month": {
          "amanta": 7,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Kārtika",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-12-04T03:16:50+05:30",
          "utc": "2029-12-03T21:46:50Z",
          "ms": 1891028809819.9346
        },
        "end": {
          "local": "2029-12-04T23:47:06+05:30",
          "utc": "2029-12-04T18:17:06Z",
          "ms": 1891102626320.0356
        }
      },
      "kaala": "nishita",
      "days": [
        {
          "local_date": "2029-12-03",
          "window": {
            "start": {
              "local": "2029-12-03T23:52:59+05:30",
              "utc": "2029-12-03T18:22:59Z",
              "ms": 1891016578788.062
            },
            "end": {
              "local": "2029-12-04T00:40:59+05:30",
              "utc": "2029-12-03T19:10:59Z",
              "ms": 1891019458788.062
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-12-04",
          "window": {
            "start": {
              "local": "2029-12-04T23:53:23+05:30",
              "utc": "2029-12-04T18:23:23Z",
              "ms": 1891103003004.3696
            },
            "end": {
              "local": "2029-12-05T00:41:23+05:30",
              "utc": "2029-12-04T19:11:23Z",
              "ms": 1891105883004.3696
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "tithi-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturdaśī runs from 03:17 on Tue 4 Dec to 23:47 on Tue 4 Dec.",
          "fact": "2029-12-03T21:46:50Z → 2029-12-04T18:17:06Z"
        },
        {
          "step": "kaala",
          "text": "Niśītha is 1 ghaṭikā either side of midnight: 23:53–00:41 on the 3rd, 23:53–00:41 on the 4th.",
          "fact": "nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturdaśī must be present during niśītha. It covers 0 of 48 minutes on the 3rd and 0 of 48 on the 4th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Neither night qualifies. The day the tithi falls on is taken.",
          "fact": "priority: unstated → tithi-day · margin 377 s"
        },
        {
          "step": "ruling",
          "text": "Śivarātri, Ujjain, 2029: Monday 3 December.",
          "fact": "confidence: boundary (absent-unstated)"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "shivaratri",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 108",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The krsna caturdasi in each month is called 'Sivaratri'. The chief among them is that of Magha. The tithi must cover nisitha (or pradosa in some opinion)."
          }
        ],
        "not_evaluated": "The alternative opinion that reads pradoṣa instead of niśītha is not evaluated.",
        "kaala": "nishita",
        "priority": "unstated",
        "when_absent": "unstated"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-12-03",
          "confidence": "boundary"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-12-03",
          "confidence": "boundary"
        }
      ],
      "quote": "In Ujjain, Śivarātri (Masik Shivaratri) 2029 falls on Monday 3 December. Caturdaśī runs from 03:17 on Tue 4 Dec to 23:47 on Tue 4 Dec, and reaches niśītha on neither day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/shivaratri?on=2029-12-03",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/vinayaka-chaturthi?on=2029-12-08",
      "festival": "vinayaka-chaturthi",
      "name": "Vināyaka Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-12-08",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 1028,
      "anga": {
        "type": "tithi",
        "index": 3,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-12-08T12:11:54+05:30",
          "utc": "2029-12-08T06:41:54Z",
          "ms": 1891406513664.551
        },
        "end": {
          "local": "2029-12-09T10:38:39+05:30",
          "utc": "2029-12-09T05:08:39Z",
          "ms": 1891487318730.7488
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-12-08T12:11:54+05:30",
          "utc": "2029-12-08T06:41:54Z",
          "ms": 1891406513664.551
        },
        "end": {
          "local": "2029-12-09T10:38:39+05:30",
          "utc": "2029-12-09T05:08:39Z",
          "ms": 1891487318730.7488
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-12-08",
          "window": {
            "start": {
              "local": "2029-12-08T11:54:46+05:30",
              "utc": "2029-12-08T06:24:46Z",
              "ms": 1891405485750.964
            },
            "end": {
              "local": "2029-12-08T12:42:46+05:30",
              "utc": "2029-12-08T07:12:46Z",
              "ms": 1891408365750.964
            }
          },
          "covered_min": 31,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-12-09",
          "window": {
            "start": {
              "local": "2029-12-09T11:55:13+05:30",
              "utc": "2029-12-09T06:25:13Z",
              "ms": 1891491912674.3438
            },
            "end": {
              "local": "2029-12-09T12:43:13+05:30",
              "utc": "2029-12-09T07:13:13Z",
              "ms": 1891494792674.3438
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 12:12 on Sat 8 Dec to 10:39 on Sun 9 Dec.",
          "fact": "2029-12-08T06:41:54Z → 2029-12-09T05:08:39Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 8th, 11:55–12:43 on the 9th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Caturthī must be present during madhyāhna. It covers 31 of 48 minutes on the 8th and 0 of 48 on the 9th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 108"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: unstated → only-day · margin 1028 s"
        },
        {
          "step": "ruling",
          "text": "Vināyaka Caturthī, Ujjain, 2029: Saturday 8 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": "2029-12-08",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-12-08",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Vināyaka Caturthī 2029 falls on Saturday 8 December. Caturthī runs from 12:12 on Sat 8 Dec to 10:39 on Sun 9 Dec and covers 31 of 48 minutes of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/vinayaka-chaturthi?on=2029-12-08",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/naga-panchami-margashirsha",
      "festival": "naga-panchami-margashirsha",
      "name": "Nāga Pañcamī (Mārgaśīrṣa)",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-12-09",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4594,
      "anga": {
        "type": "tithi",
        "index": 4,
        "key": "panchami",
        "name": "Pañcamī",
        "start": {
          "local": "2029-12-09T10:38:39+05:30",
          "utc": "2029-12-09T05:08:39Z",
          "ms": 1891487318730.7488
        },
        "end": {
          "local": "2029-12-10T09:51:02+05:30",
          "utc": "2029-12-10T04:21:02Z",
          "ms": 1891570861762.891
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-12-09T10:38:39+05:30",
          "utc": "2029-12-09T05:08:39Z",
          "ms": 1891487318730.7488
        },
        "end": {
          "local": "2029-12-10T09:51:02+05:30",
          "utc": "2029-12-10T04:21:02Z",
          "ms": 1891570861762.891
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-12-09",
          "window": {
            "start": {
              "local": "2029-12-09T11:55:13+05:30",
              "utc": "2029-12-09T06:25:13Z",
              "ms": 1891491912674.3438
            },
            "end": {
              "local": "2029-12-09T12:43:13+05:30",
              "utc": "2029-12-09T07:13:13Z",
              "ms": 1891494792674.3438
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-12-10",
          "window": {
            "start": {
              "local": "2029-12-10T11:55:40+05:30",
              "utc": "2029-12-10T06:25:40Z",
              "ms": 1891578340017.539
            },
            "end": {
              "local": "2029-12-10T12:43:40+05:30",
              "utc": "2029-12-10T07:13:40Z",
              "ms": 1891581220017.539
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pañcamī runs from 10:39 on Sun 9 Dec to 09:51 on Mon 10 Dec.",
          "fact": "2029-12-09T05:08:39Z → 2029-12-10T04:21:02Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 9th, 11:56–12:44 on the 10th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 0 of 48 on the 10th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 4594 s"
        },
        {
          "step": "ruling",
          "text": "Nāga Pañcamī (Mārgaśīrṣa), Ujjain, 2029: Sunday 9 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": "2029-12-09",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-12-09",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Nāga Pañcamī (Mārgaśīrṣa) 2029 falls on Sunday 9 December. Pañcamī runs from 10:39 on Sun 9 Dec to 09:51 on Mon 10 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/champa-shashthi",
      "festival": "champa-shashthi",
      "name": "Campā Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-12-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7473,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2029-12-10T09:51:02+05:30",
          "utc": "2029-12-10T04:21:02Z",
          "ms": 1891570861762.891
        },
        "end": {
          "local": "2029-12-11T09:51:35+05:30",
          "utc": "2029-12-11T04:21:35Z",
          "ms": 1891657294927.0264
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-12-10T09:51:02+05:30",
          "utc": "2029-12-10T04:21:02Z",
          "ms": 1891570861762.891
        },
        "end": {
          "local": "2029-12-11T09:51:35+05:30",
          "utc": "2029-12-11T04:21:35Z",
          "ms": 1891657294927.0264
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-12-10",
          "window": {
            "start": {
              "local": "2029-12-10T11:55:40+05:30",
              "utc": "2029-12-10T06:25:40Z",
              "ms": 1891578340017.539
            },
            "end": {
              "local": "2029-12-10T12:43:40+05:30",
              "utc": "2029-12-10T07:13:40Z",
              "ms": 1891581220017.539
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-12-11",
          "window": {
            "start": {
              "local": "2029-12-11T11:56:08+05:30",
              "utc": "2029-12-11T06:26:08Z",
              "ms": 1891664767748.9333
            },
            "end": {
              "local": "2029-12-11T12:44:08+05:30",
              "utc": "2029-12-11T07:14:08Z",
              "ms": 1891667647748.9333
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 09:51 on Mon 10 Dec to 09:52 on Tue 11 Dec.",
          "fact": "2029-12-10T04:21:02Z → 2029-12-11T04:21:35Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 10th, 11:56–12:44 on the 11th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 7473 s"
        },
        {
          "step": "ruling",
          "text": "Campā Ṣaṣṭhī, Ujjain, 2029: Monday 10 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": "2029-12-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-12-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Campā Ṣaṣṭhī 2029 falls on Monday 10 December. Ṣaṣṭhī runs from 09:51 on Mon 10 Dec to 09:52 on Tue 11 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/skanda-shashthi",
      "festival": "skanda-shashthi",
      "name": "Skanda Ṣaṣṭhī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-12-10",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 7473,
      "anga": {
        "type": "tithi",
        "index": 5,
        "key": "shashthi",
        "name": "Ṣaṣṭhī",
        "start": {
          "local": "2029-12-10T09:51:02+05:30",
          "utc": "2029-12-10T04:21:02Z",
          "ms": 1891570861762.891
        },
        "end": {
          "local": "2029-12-11T09:51:35+05:30",
          "utc": "2029-12-11T04:21:35Z",
          "ms": 1891657294927.0264
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-12-10T09:51:02+05:30",
          "utc": "2029-12-10T04:21:02Z",
          "ms": 1891570861762.891
        },
        "end": {
          "local": "2029-12-11T09:51:35+05:30",
          "utc": "2029-12-11T04:21:35Z",
          "ms": 1891657294927.0264
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-12-10",
          "window": {
            "start": {
              "local": "2029-12-10T11:55:40+05:30",
              "utc": "2029-12-10T06:25:40Z",
              "ms": 1891578340017.539
            },
            "end": {
              "local": "2029-12-10T12:43:40+05:30",
              "utc": "2029-12-10T07:13:40Z",
              "ms": 1891581220017.539
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-12-11",
          "window": {
            "start": {
              "local": "2029-12-11T11:56:08+05:30",
              "utc": "2029-12-11T06:26:08Z",
              "ms": 1891664767748.9333
            },
            "end": {
              "local": "2029-12-11T12:44:08+05:30",
              "utc": "2029-12-11T07:14:08Z",
              "ms": 1891667647748.9333
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ṣaṣṭhī runs from 09:51 on Mon 10 Dec to 09:52 on Tue 11 Dec.",
          "fact": "2029-12-10T04:21:02Z → 2029-12-11T04:21:35Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 10th, 11:56–12:44 on the 11th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ṣaṣṭhī must be present during madhyāhna. It covers 48 of 48 minutes on the 10th and 0 of 48 on the 11th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: purvaviddha → only-day · margin 7473 s"
        },
        {
          "step": "ruling",
          "text": "Skanda Ṣaṣṭhī, Ujjain, 2029: Monday 10 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": "2029-12-10",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-12-10",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Skanda Ṣaṣṭhī 2029 falls on Monday 10 December. Ṣaṣṭhī runs from 09:51 on Mon 10 Dec to 09:52 on Tue 11 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/mitra-saptami",
      "festival": "mitra-saptami",
      "name": "Mitra Saptamī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-12-11",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 4637,
      "anga": {
        "type": "tithi",
        "index": 6,
        "key": "saptami",
        "name": "Saptamī",
        "start": {
          "local": "2029-12-11T09:51:35+05:30",
          "utc": "2029-12-11T04:21:35Z",
          "ms": 1891657294927.0264
        },
        "end": {
          "local": "2029-12-12T10:39:19+05:30",
          "utc": "2029-12-12T05:09:19Z",
          "ms": 1891746558931.3416
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-12-11T09:51:35+05:30",
          "utc": "2029-12-11T04:21:35Z",
          "ms": 1891657294927.0264
        },
        "end": {
          "local": "2029-12-12T10:39:19+05:30",
          "utc": "2029-12-12T05:09:19Z",
          "ms": 1891746558931.3416
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-12-11",
          "window": {
            "start": {
              "local": "2029-12-11T11:56:08+05:30",
              "utc": "2029-12-11T06:26:08Z",
              "ms": 1891664767748.9333
            },
            "end": {
              "local": "2029-12-11T12:44:08+05:30",
              "utc": "2029-12-11T07:14:08Z",
              "ms": 1891667647748.9333
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        },
        {
          "local_date": "2029-12-12",
          "window": {
            "start": {
              "local": "2029-12-12T11:56:36+05:30",
              "utc": "2029-12-12T06:26:36Z",
              "ms": 1891751195837.2705
            },
            "end": {
              "local": "2029-12-12T12:44:36+05:30",
              "utc": "2029-12-12T07:14:36Z",
              "ms": 1891754075837.2705
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Saptamī runs from 09:52 on Tue 11 Dec to 10:39 on Wed 12 Dec.",
          "fact": "2029-12-11T04:21:35Z → 2029-12-12T05:09:19Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 11th, 11:57–12:45 on the 12th.",
          "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 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: purvaviddha → only-day · margin 4637 s"
        },
        {
          "step": "ruling",
          "text": "Mitra Saptamī, Ujjain, 2029: Tuesday 11 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": "2029-12-11",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-12-11",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Mitra Saptamī 2029 falls on Tuesday 11 December. Saptamī runs from 09:52 on Tue 11 Dec to 10:39 on Wed 12 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/ekadashi?on=2029-12-16",
      "festival": "ekadashi",
      "name": "Mokṣadā Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-12-16",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 34782,
      "anga": {
        "type": "tithi",
        "index": 10,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-12-15T16:40:20+05:30",
          "utc": "2029-12-15T11:10:20Z",
          "ms": 1892027420369.9587
        },
        "end": {
          "local": "2029-12-16T19:18:08+05:30",
          "utc": "2029-12-16T13:48:08Z",
          "ms": 1892123288338.7595
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-12-15T16:40:20+05:30",
          "utc": "2029-12-15T11:10:20Z",
          "ms": 1892027420369.9587
        },
        "end": {
          "local": "2029-12-16T19:18:08+05:30",
          "utc": "2029-12-16T13:48:08Z",
          "ms": 1892123288338.7595
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-12-15",
          "window": {
            "start": {
              "local": "2029-12-15T07:00:38+05:30",
              "utc": "2029-12-15T01:30:38Z",
              "ms": 1891992638121.2131
            },
            "end": {
              "local": "2029-12-15T07:00:38+05:30",
              "utc": "2029-12-15T01:30:38Z",
              "ms": 1891992638121.2131
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2029-12-16",
          "window": {
            "start": {
              "local": "2029-12-16T07:01:13+05:30",
              "utc": "2029-12-16T01:31:13Z",
              "ms": 1892079072811.444
            },
            "end": {
              "local": "2029-12-16T07:01:13+05:30",
              "utc": "2029-12-16T01:31:13Z",
              "ms": 1892079072811.444
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 16:40 on Sat 15 Dec to 19:18 on Sun 16 Dec.",
          "fact": "2029-12-15T11:10:20Z → 2029-12-16T13:48:08Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:01 on the 15th and 07:01 on the 16th.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is not on the 15th and is on the 16th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105"
        },
        {
          "step": "tie_break",
          "text": "Only one sunrise qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 34782 s"
        },
        {
          "step": "ruling",
          "text": "Mokṣadā Ekādaśī, Ujjain, 2029: Sunday 16 December.",
          "fact": "confidence: determinate"
        }
      ],
      "rule": {
        "kind": "lunar",
        "id": "ekadashi",
        "references": [
          {
            "text": "Calendar Reform Committee 1955, General Rules for Religious Festivals",
            "locator": "p. 105",
            "url": "https://archive.org/details/calendar_reform_comittee_report",
            "quote": "The general rule prevalent in most part of India is that it is to be observed on the day when the tithi is current at sunrise. If it occurs on two successive days, it is to be observed on the second day. When does not occur on any day, it is to be observed on the day of the tithi, but widows and sannyasins would observe on the next-day."
          }
        ],
        "not_evaluated": "The next-day observance for widows and sannyāsins, the Bengal avoidance of an ekādaśī joined to daśamī, and the Vaiṣṇava aruṇodaya rule belong to other traditions and are not applied.",
        "kaala": "sunrise",
        "priority": "paraviddha",
        "when_absent": "tithi-day"
      },
      "alternatives": [
        {
          "kind": "profile",
          "profile": "classical@2026.1",
          "local_date": "2029-12-16",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-12-16",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Mokṣadā Ekādaśī 2029 falls on Sunday 16 December. Ekādaśī runs from 16:40 on Sat 15 Dec to 19:18 on Sun 16 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-12-16",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/akhanda-dvadashi",
      "festival": "akhanda-dvadashi",
      "name": "Akhaṇḍa Dvādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-12-17",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 23497,
      "anga": {
        "type": "tithi",
        "index": 11,
        "key": "dvadashi",
        "name": "Dvādaśī",
        "start": {
          "local": "2029-12-16T19:18:08+05:30",
          "utc": "2029-12-16T13:48:08Z",
          "ms": 1892123288338.7595
        },
        "end": {
          "local": "2029-12-17T21:55:14+05:30",
          "utc": "2029-12-17T16:25:14Z",
          "ms": 1892219113994.3274
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-12-16T19:18:08+05:30",
          "utc": "2029-12-16T13:48:08Z",
          "ms": 1892123288338.7595
        },
        "end": {
          "local": "2029-12-17T21:55:14+05:30",
          "utc": "2029-12-17T16:25:14Z",
          "ms": 1892219113994.3274
        }
      },
      "kaala": "madhyahna",
      "days": [
        {
          "local_date": "2029-12-16",
          "window": {
            "start": {
              "local": "2029-12-16T11:58:31+05:30",
              "utc": "2029-12-16T06:28:31Z",
              "ms": 1892096911139.7666
            },
            "end": {
              "local": "2029-12-16T12:46:31+05:30",
              "utc": "2029-12-16T07:16:31Z",
              "ms": 1892099791139.7666
            }
          },
          "covered_min": 0,
          "window_min": 48,
          "qualifies": false
        },
        {
          "local_date": "2029-12-17",
          "window": {
            "start": {
              "local": "2029-12-17T11:59:01+05:30",
              "utc": "2029-12-17T06:29:01Z",
              "ms": 1892183340547.7148
            },
            "end": {
              "local": "2029-12-17T12:47:01+05:30",
              "utc": "2029-12-17T07:17:01Z",
              "ms": 1892186220547.7148
            }
          },
          "covered_min": 48,
          "window_min": 48,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Dvādaśī runs from 19:18 on Sun 16 Dec to 21:55 on Mon 17 Dec.",
          "fact": "2029-12-16T13:48:08Z → 2029-12-17T16:25:14Z"
        },
        {
          "step": "kaala",
          "text": "Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 16th, 11:59–12:47 on the 17th.",
          "fact": "madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.",
          "fact": "Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104"
        },
        {
          "step": "tie_break",
          "text": "Only one midday qualifies. No tie-break is needed.",
          "fact": "priority: paraviddha → only-day · margin 23497 s"
        },
        {
          "step": "ruling",
          "text": "Akhaṇḍa Dvādaśī, Ujjain, 2029: Monday 17 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": "2029-12-17",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-12-17",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Akhaṇḍa Dvādaśī 2029 falls on Monday 17 December. Dvādaśī runs from 19:18 on Sun 16 Dec to 21:55 on Mon 17 Dec and covers all of madhyāhna that midday.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/pradosha-vrata?on=2029-12-18",
      "festival": "pradosha-vrata",
      "name": "Śukla Pradoṣa Vrata",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-12-18",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 8675,
      "anga": {
        "type": "tithi",
        "index": 12,
        "key": "trayodashi",
        "name": "Trayodaśī",
        "start": {
          "local": "2029-12-17T21:55:14+05:30",
          "utc": "2029-12-17T16:25:14Z",
          "ms": 1892219113994.3274
        },
        "end": {
          "local": "2029-12-19T00:21:50+05:30",
          "utc": "2029-12-18T18:51:50Z",
          "ms": 1892314310059.1213
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-12-17T21:55:14+05:30",
          "utc": "2029-12-17T16:25:14Z",
          "ms": 1892219113994.3274
        },
        "end": {
          "local": "2029-12-19T00:21:50+05:30",
          "utc": "2029-12-18T18:51:50Z",
          "ms": 1892314310059.1213
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-12-17",
          "window": {
            "start": {
              "local": "2029-12-17T17:44:14+05:30",
              "utc": "2029-12-17T12:14:14Z",
              "ms": 1892204054329.202
            },
            "end": {
              "local": "2029-12-17T19:30:39+05:30",
              "utc": "2029-12-17T14:00:39Z",
              "ms": 1892210439078.673
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        },
        {
          "local_date": "2029-12-18",
          "window": {
            "start": {
              "local": "2029-12-18T17:44:40+05:30",
              "utc": "2029-12-18T12:14:40Z",
              "ms": 1892290480302.8967
            },
            "end": {
              "local": "2029-12-18T19:31:06+05:30",
              "utc": "2029-12-18T14:01:06Z",
              "ms": 1892296865906.3718
            }
          },
          "covered_min": 106,
          "window_min": 106,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Trayodaśī runs from 21:55 on Mon 17 Dec to 00:22 on Wed 19 Dec.",
          "fact": "2029-12-17T16:25:14Z → 2029-12-18T18:51:50Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:44–19:31 on the 17th, 17:45–19:31 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 106 minutes on the 17th and 106 of 106 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 8675 s"
        },
        {
          "step": "ruling",
          "text": "Śukla Pradoṣa Vrata, Ujjain, 2029: Tuesday 18 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": "2029-12-18",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-12-18",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Śukla Pradoṣa Vrata 2029 falls on Tuesday 18 December. Trayodaśī runs from 21:55 on Mon 17 Dec to 00:22 on Wed 19 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/pradosha-vrata?on=2029-12-18",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/dattatreyotpatti",
      "festival": "dattatreyotpatti",
      "name": "Dattātreyotpatti",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-12-20",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 25141,
      "anga": {
        "type": "tithi",
        "index": 14,
        "key": "purnima",
        "name": "Pūrṇimā",
        "start": {
          "local": "2029-12-20T02:30:34+05:30",
          "utc": "2029-12-19T21:00:34Z",
          "ms": 1892408434309.54
        },
        "end": {
          "local": "2029-12-21T04:16:31+05:30",
          "utc": "2029-12-20T22:46:31Z",
          "ms": 1892501191499.488
        },
        "month": {
          "amanta": 8,
          "purnimanta": 8,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Mārgaśīrṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-12-20T02:30:34+05:30",
          "utc": "2029-12-19T21:00:34Z",
          "ms": 1892408434309.54
        },
        "end": {
          "local": "2029-12-21T04:16:31+05:30",
          "utc": "2029-12-20T22:46:31Z",
          "ms": 1892501191499.488
        }
      },
      "kaala": "pradosha",
      "days": [
        {
          "local_date": "2029-12-19",
          "window": {
            "start": {
              "local": "2029-12-19T17:45:07+05:30",
              "utc": "2029-12-19T12:15:07Z",
              "ms": 1892376907361.7634
            },
            "end": {
              "local": "2029-12-19T19:31:34+05:30",
              "utc": "2029-12-19T14:01:34Z",
              "ms": 1892383293562.6926
            }
          },
          "covered_min": 0,
          "window_min": 106,
          "qualifies": false
        },
        {
          "local_date": "2029-12-20",
          "window": {
            "start": {
              "local": "2029-12-20T17:45:35+05:30",
              "utc": "2029-12-20T12:15:35Z",
              "ms": 1892463335477.727
            },
            "end": {
              "local": "2029-12-20T19:32:02+05:30",
              "utc": "2029-12-20T14:02:02Z",
              "ms": 1892469722018.9292
            }
          },
          "covered_min": 106,
          "window_min": 106,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Pūrṇimā runs from 02:31 on Thu 20 Dec to 04:17 on Fri 21 Dec.",
          "fact": "2029-12-19T21:00:34Z → 2029-12-20T22:46:31Z"
        },
        {
          "step": "kaala",
          "text": "Pradoṣa is 2 muhūrtas after sunset: 17:45–19:32 on the 19th, 17:46–19:32 on the 20th.",
          "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 106 minutes on the 19th and 106 of 106 on the 20th.",
          "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 25141 s"
        },
        {
          "step": "ruling",
          "text": "Dattātreyotpatti, Ujjain, 2029: Thursday 20 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": "2029-12-20",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-12-20",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Dattātreyotpatti (Datta Jayanti) 2029 falls on Thursday 20 December. Pūrṇimā runs from 02:31 on Thu 20 Dec to 04:17 on Fri 21 Dec and covers all of pradoṣa that evening.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/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": "/ujjain/festivals/2029/sankashta-chaturthi?on=2029-12-24",
      "festival": "sankashta-chaturthi",
      "name": "Saṅkaṣṭa Caturthī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-12-24",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 35444,
      "anga": {
        "type": "tithi",
        "index": 18,
        "key": "chaturthi",
        "name": "Caturthī",
        "start": {
          "local": "2029-12-24T06:55:52+05:30",
          "utc": "2029-12-24T01:25:52Z",
          "ms": 1892769952010.4226
        },
        "end": {
          "local": "2029-12-25T06:54:10+05:30",
          "utc": "2029-12-25T01:24:10Z",
          "ms": 1892856249959.6028
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-12-24T06:55:52+05:30",
          "utc": "2029-12-24T01:25:52Z",
          "ms": 1892769952010.4226
        },
        "end": {
          "local": "2029-12-25T06:54:10+05:30",
          "utc": "2029-12-25T01:24:10Z",
          "ms": 1892856249959.6028
        }
      },
      "kaala": "moonrise",
      "days": [
        {
          "local_date": "2029-12-23",
          "window": {
            "start": {
              "local": "2029-12-23T20:07:02+05:30",
              "utc": "2029-12-23T14:37:02Z",
              "ms": 1892731021720.4062
            },
            "end": {
              "local": "2029-12-23T20:07:02+05:30",
              "utc": "2029-12-23T14:37:02Z",
              "ms": 1892731021720.4062
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        },
        {
          "local_date": "2029-12-24",
          "window": {
            "start": {
              "local": "2029-12-24T21:03:26+05:30",
              "utc": "2029-12-24T15:33:26Z",
              "ms": 1892820805910.7246
            },
            "end": {
              "local": "2029-12-24T21:03:26+05:30",
              "utc": "2029-12-24T15:33:26Z",
              "ms": 1892820805910.7246
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Caturthī runs from 06:56 on Mon 24 Dec to 06:54 on Tue 25 Dec.",
          "fact": "2029-12-24T01:25:52Z → 2029-12-25T01:24:10Z"
        },
        {
          "step": "kaala",
          "text": "Moonrise is at 20:07 on the 23rd and 21:03 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 35444 s"
        },
        {
          "step": "ruling",
          "text": "Saṅkaṣṭa Caturthī, Ujjain, 2029: Monday 24 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": "2029-12-24",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-12-24",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Saṅkaṣṭa Caturthī (Sankatahara Chaturthi) 2029 falls on Monday 24 December. Caturthī runs from 06:56 on Mon 24 Dec to 06:54 on Tue 25 Dec and is current at moonrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/sankashta-chaturthi?on=2029-12-24",
      "method": "pac-rp@2026.1",
      "engine": {
        "version": "0.1.0",
        "ruleset": "2026.3-draft",
        "kernel": "de440-1900-2100",
        "kernel_sha256": "7eef444f9e5bd8786b8b5b72e775ecc376991b953a6246ec7a49d2c37434ea74",
        "tzdata": "2026f"
      }
    },
    {
      "id": "/ujjain/festivals/2029/ekadashi?on=2029-12-31",
      "festival": "ekadashi",
      "name": "Saphalā Ekādaśī",
      "tradition": "smarta",
      "place": "1253914",
      "year": 2029,
      "local_date": "2029-12-31",
      "confidence": "determinate",
      "boundary_reasons": [],
      "boundary_margin_s": 33394,
      "anga": {
        "type": "tithi",
        "index": 25,
        "key": "ekadashi",
        "name": "Ekādaśī",
        "start": {
          "local": "2029-12-30T21:51:32+05:30",
          "utc": "2029-12-30T16:21:32Z",
          "ms": 1893342092144.136
        },
        "end": {
          "local": "2029-12-31T19:12:20+05:30",
          "utc": "2029-12-31T13:42:20Z",
          "ms": 1893418939642.6182
        },
        "month": {
          "amanta": 8,
          "purnimanta": 9,
          "adhika": false,
          "amanta_name": "Mārgaśīrṣa",
          "purnimanta_name": "Pauṣa"
        }
      },
      "span": {
        "of": "tithi",
        "start": {
          "local": "2029-12-30T21:51:32+05:30",
          "utc": "2029-12-30T16:21:32Z",
          "ms": 1893342092144.136
        },
        "end": {
          "local": "2029-12-31T19:12:20+05:30",
          "utc": "2029-12-31T13:42:20Z",
          "ms": 1893418939642.6182
        }
      },
      "kaala": "sunrise",
      "days": [
        {
          "local_date": "2029-12-31",
          "window": {
            "start": {
              "local": "2029-12-31T07:08:07+05:30",
              "utc": "2029-12-31T01:38:07Z",
              "ms": 1893375486597.2441
            },
            "end": {
              "local": "2029-12-31T07:08:07+05:30",
              "utc": "2029-12-31T01:38:07Z",
              "ms": 1893375486597.2441
            }
          },
          "covered_min": 1,
          "window_min": 0,
          "qualifies": true
        },
        {
          "local_date": "2030-01-01",
          "window": {
            "start": {
              "local": "2030-01-01T07:08:26+05:30",
              "utc": "2030-01-01T01:38:26Z",
              "ms": 1893461905718.0144
            },
            "end": {
              "local": "2030-01-01T07:08:26+05:30",
              "utc": "2030-01-01T01:38:26Z",
              "ms": 1893461905718.0144
            }
          },
          "covered_min": 0,
          "window_min": 0,
          "qualifies": false
        }
      ],
      "decided_by": "only-day",
      "explanation": [
        {
          "step": "anga",
          "text": "Ekādaśī runs from 21:52 on Sun 30 Dec to 19:12 on Mon 31 Dec.",
          "fact": "2029-12-30T16:21:32Z → 2029-12-31T13:42:20Z"
        },
        {
          "step": "kaala",
          "text": "Sunrise is at 07:08 on the 31st and 07:08 on the 1st.",
          "fact": "sunrise: upper limb, 31′ + 16′"
        },
        {
          "step": "rule",
          "text": "Ekādaśī must be current at sunrise. It is on the 31st 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 33394 s"
        },
        {
          "step": "ruling",
          "text": "Saphalā Ekādaśī, Ujjain, 2029: Monday 31 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": "2029-12-31",
          "confidence": "determinate"
        },
        {
          "kind": "profile",
          "profile": "compat-drikpanchang@2026.1",
          "local_date": "2029-12-31",
          "confidence": "determinate"
        }
      ],
      "quote": "In Ujjain, Saphalā Ekādaśī 2029 falls on Monday 31 December. Ekādaśī runs from 21:52 on Sun 30 Dec to 19:12 on Mon 31 Dec and is current at sunrise that day.",
      "cite": "https://ahargana.org/ujjain/festivals/2029/ekadashi?on=2029-12-31",
      "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"
  }
}
