BEGIN:VCALENDAR
VERSION:2.0
PRODID:icalendar-ruby
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VTIMEZONE
TZID:Europe/London
BEGIN:DAYLIGHT
DTSTART:20230326T020000
TZOFFSETFROM:+0000
TZOFFSETTO:+0100
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=3
TZNAME:BST
END:DAYLIGHT
BEGIN:STANDARD
DTSTART:20231029T010000
TZOFFSETFROM:+0100
TZOFFSETTO:+0000
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
TZNAME:GMT
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BEGIN:VEVENT
DTSTAMP:20260403T204603Z
UID:improv-give-it-a-go-bdf5
DTSTART;TZID=Europe/London:20230927T180000
DTEND;TZID=Europe/London:20230927T200000
LOCATION:Stephenson Room\, Richmond Building (SU)
SUMMARY:Improv: Give it a Go! 
END:VEVENT
END:VCALENDAR
