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:20260625T002901Z
UID:10-10-tea-and-talk-for-world-mental-health-day
DTSTART;TZID=Europe/London:20191010T100000
DTEND;TZID=Europe/London:20191010T140000
LOCATION:1st floor (SU Building) 
SUMMARY:10/10 - Tea and Talk for World Mental Health Day
END:VEVENT
END:VCALENDAR