BEGIN:VCALENDAR
VERSION:2.0
PRODID:icalendar-ruby
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VTIMEZONE
TZID:Europe/London
BEGIN:DAYLIGHT
DTSTART:20130331T020000
TZOFFSETFROM:+0000
TZOFFSETTO:+0100
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=3
TZNAME:BST
END:DAYLIGHT
BEGIN:STANDARD
DTSTART:20131027T010000
TZOFFSETFROM:+0100
TZOFFSETTO:+0000
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
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BEGIN:VEVENT
DTSTAMP:20260609T090233Z
UID:the-summer-ball-2013
DTSTART;TZID=Europe/London:20130518T200000
DTEND;TZID=Europe/London:20130519T020000
LOCATION:University Centre
SUMMARY:The Summer Ball 2013
END:VEVENT
END:VCALENDAR