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TZID:Europe/London
BEGIN:DAYLIGHT
DTSTART:20180325T020000
TZOFFSETFROM:+0000
TZOFFSETTO:+0100
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=3
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BEGIN:STANDARD
DTSTART:20181028T010000
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BEGIN:VEVENT
DTSTAMP:20260621T093250Z
UID:joint-acs-event
DTSTART;TZID=Europe/London:20181026T190000
DTEND;TZID=Europe/London:20181026T220000
LOCATION:Liverpool guild of Students 
SUMMARY:Joint ACS Event 
END:VEVENT
END:VCALENDAR