BEGIN:VCALENDAR
BEGIN:VTIMEZONE
TZID:Europe/London
BEGIN:DAYLIGHT
TZOFFSETFROM:+0000
RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
DTSTART:19810329T010000
TZNAME:BST
TZOFFSETTO:+0100
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0100
RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
DTSTART:19961027T020000
TZNAME:GMT
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
VERSION:2.0
PRODID:-//BoxStuff//CRM 1.0.0//EN
CALSCALE:Gregorian
BEGIN:VEVENT
DTSTART;TZID=Europe/London:20250803T093000
DTEND;TZID=Europe/London:20250803T113000
DESCRIPTION:Skiff rowing on the loch, cancelled if the weather does not
  permit going out.
DTSTAMP;TZID=Europe/London:20250702T085331
CREATED;TZID=Europe/London:20250702T085331
LAST_MODIFIED;TZID=Europe/London:20250702T085331
SUMMARY:Skiff rowing (Laura)
UID:1671178d-dcdf-42bb-9772-2e2d5ff75679
END:VEVENT
END:VCALENDAR