BEGIN:VCALENDAR
VERSION:2.0
PRODID:icalendar-ruby
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VTIMEZONE
TZID:Europe/London
BEGIN:DAYLIGHT
DTSTART:20170326T020000
TZOFFSETFROM:+0000
TZOFFSETTO:+0100
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=3
TZNAME:BST
END:DAYLIGHT
BEGIN:STANDARD
DTSTART:20161030T010000
TZOFFSETFROM:+0100
TZOFFSETTO:+0000
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
TZNAME:GMT
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTAMP:20260422T135523Z
UID:12-drinks-of-christmas-d716
DTSTART;TZID=Europe/London:20161206T190000
DTEND;TZID=Europe/London:20161207T030000
LOCATION:Spoons\, St Vincents\, Missoula\, Cosmopol and Bamboo
SUMMARY:12 Drinks of Christmas
END:VEVENT
END:VCALENDAR