BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//ical.marudot.com//iCal Event Maker
CALSCALE:GREGORIAN
BEGIN:VTIMEZONE
TZID:Europe/London
TZURL:http://tzurl.org/zoneinfo-outlook/Europe/London
X-LIC-LOCATION:Europe/London
BEGIN:DAYLIGHT
TZOFFSETFROM:+0000
TZOFFSETTO:+0100
TZNAME:BST
DTSTART:19700329T010000
RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0100
TZOFFSETTO:+0000
TZNAME:GMT
DTSTART:19701025T020000
RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTAMP:20210408T142710Z
UID:20210408T142710Z-2008306495@marudot.com
DTSTART;TZID=Europe/London:20210422T140000
DTEND;TZID=Europe/London:20210422T160000
SUMMARY:Roundtable Meeting
URL:https://tiki.org/Roundtable-Meeting-2021-04
LOCATION:https://tiki.org/live
END:VEVENT
END:VCALENDAR