BEGIN:VCALENDAR
VERSION:2.0
PRODID:icalendar-ruby
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VTIMEZONE
TZID:Europe/London
BEGIN:DAYLIGHT
DTSTART:20190331T020000
TZOFFSETFROM:+0000
TZOFFSETTO:+0100
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=3
TZNAME:BST
END:DAYLIGHT
BEGIN:STANDARD
DTSTART:20191027T010000
TZOFFSETFROM:+0100
TZOFFSETTO:+0000
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
TZNAME:GMT
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTAMP:20260412T182331Z
UID:gcuec-x-cumbrian-heavy-horses-2018-1531
DTSTART;TZID=Europe/London:20190507T000000
DTEND;TZID=Europe/London:20190509T000000
LOCATION:Lake District 
SUMMARY:GCUEC x Cumbrian Heavy Horses 2018 ! 
END:VEVENT
END:VCALENDAR