nanakshahi-ical/official-calendar-557.json

Nanakshahi calendar iCal generator using official SGPC Jantri data with enhanced accuracy for Sikh religious observances.

{
  "year": 557,
  "gregorianYear": 2025,
  "source": "Jantri-Nanakshahi-557.pdf (extracted 2024-12-19)",
  "comparison": {
    "monthLengths": [
      31,
      31,
      32,
      31,
      31,
      30,
      30,
      30,
      30,
      30,
      30,
      30
    ],
    "totalDays": 366,
    "corrections": {
      "july_5": "miri_piri_divas",
      "jeth_length": 32
    }
  },
  "gurpurabs": [
    {
      "name": "Parkash Guru Nanak Dev Ji",
      "nanakshahiDate": {
        "month": 8,
        "day": 23
      },
      "gregorianDate": "2024-11-15",
      "type": "gurpurab",
      "movable": true
    },
    {
      "name": "Miri Piri Divas",
      "nanakshahiDate": {
        "month": 4,
        "day": 22
      },
      "gregorianDate": "2025-07-05",
      "type": "gurpurab",
      "movable": false,
      "note": "Corrected from Parkash Divas"
    },
    {
      "name": "Shaheedi Guru Arjan Dev Ji",
      "nanakshahiDate": {
        "month": 3,
        "day": 16
      },
      "gregorianDate": "2025-06-06",
      "type": "shaheedi",
      "movable": false
    },
    {
      "name": "Parkash Guru Hargobind Sahib Ji",
      "nanakshahiDate": {
        "month": 4,
        "day": 21
      },
      "gregorianDate": "2025-07-04",
      "type": "gurpurab",
      "movable": false
    },
    {
      "name": "Bandi Chhorr Divas",
      "nanakshahiDate": {
        "month": 8,
        "day": 8
      },
      "gregorianDate": "2024-10-20",
      "type": "historical",
      "movable": true
    }
  ],
  "validation": {
    "totalDays": 366,
    "leapMonth": "Jeth",
    "leapDays": 32,
    "startDate": "2025-03-20",
    "endDate": "2026-03-19"
  }
}