ical-toolkit/timezones/database/pacific-chatham.json

ICal generator/updater/parser with Timezone/DST, Alams, Organizers, Events, etc. support.

{
  "VTIMEZONE": {
    "TZID": "Pacific/Chatham",
    "X-LIC-LOCATION": "Pacific/Chatham",
    "DAYLIGHT": [
      {
        "TZOFFSETFROM": "+1245",
        "TZOFFSETTO": "+1345",
        "TZNAME": "CHADT",
        "DTSTART": "19700927T024500",
        "RRULE": "FREQ=YEARLY;BYMONTH=9;BYDAY=-1SU"
      }
    ],
    "STANDARD": [
      {
        "TZOFFSETFROM": "+1345",
        "TZOFFSETTO": "+1245",
        "TZNAME": "CHAST",
        "DTSTART": "19700405T034500",
        "RRULE": "FREQ=YEARLY;BYMONTH=4;BYDAY=1SU"
      }
    ]
  },
  "TZID": "Pacific/Chatham"
}