BEGIN:VCALENDAR
VERSION:2.0
PRODID:icalendar-ruby
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VTIMEZONE
TZID:Europe/London
BEGIN:DAYLIGHT
DTSTART:20260329T020000
TZOFFSETFROM:+0000
TZOFFSETTO:+0100
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=3
TZNAME:BST
END:DAYLIGHT
BEGIN:STANDARD
DTSTART:20261025T010000
TZOFFSETFROM:+0100
TZOFFSETTO:+0000
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
TZNAME:GMT
END:STANDARD
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BEGIN:VEVENT
DTSTAMP:20260617T112742Z
UID:trent-refreshers-2026
DTSTART;TZID=Europe/London:20260616T213500
DTEND;TZID=Europe/London:20260920T235500
LOCATION:Nottingham
SUMMARY:Trent Refreshers 2026
END:VEVENT
END:VCALENDAR