BEGIN:VCALENDAR
VERSION:2.0
METHOD:PUBLISH
BEGIN:VTIMEZONE
TZID:Europe/London
BEGIN:STANDARD
TZNAME:GMT
TZOFFSETFROM:+0100
TZOFFSETTO:+0000
DTSTART:19701025T020000
RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
END:STANDARD
BEGIN:DAYLIGHT
TZNAME:BST
TZOFFSETFROM:+0000
TZOFFSETTO:+0100
DTSTART:19700329T010000
RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
END:DAYLIGHT
END:VTIMEZONE
BEGIN:VEVENT
UID:6a9de4c7ec459
DTSTAMP:20260906T221015Z
DTSTART;TZID=Europe/London:20201027T180000
DTEND;TZID=Europe/London:20201027T190000
TZID:Europe/London
SUMMARY:Three billion years of Earth history
DESCRIPTION:Prof Tony Prave will take you on a three billion year journey through Earth history.  https://events.st-andrews.ac.uk/events/three-billion-years-of-earth-history/
LOCATION:Online
URL:https://events.st-andrews.ac.uk/events/three-billion-years-of-earth-history/
End:VEVENT
End:VCALENDAR