BEGIN:VCALENDAR
VERSION:2.0
PRODID:icalendar-ruby
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VTIMEZONE
TZID:Europe/London
BEGIN:DAYLIGHT
DTSTART:20260329T020000
TZOFFSETFROM:+0000
TZOFFSETTO:+0100
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=3
TZNAME:BST
END:DAYLIGHT
BEGIN:STANDARD
DTSTART:20261025T010000
TZOFFSETFROM:+0100
TZOFFSETTO:+0000
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
TZNAME:GMT
END:STANDARD
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BEGIN:VEVENT
DTSTAMP:20260412T125033Z
UID:volunteers-and-buddies-tea-catchup-gcul-c7e0
DTSTART;TZID=Europe/London:20260804T140000
DTEND;TZID=Europe/London:20260804T150000
LOCATION:Location TBC 
SUMMARY:Volunteers and Buddies Tea Catchup (GCUL) 
END:VEVENT
END:VCALENDAR