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
END:VTIMEZONE
BEGIN:VEVENT
DTSTAMP:20260919T020242Z
UID:international-welcome-week-hampstead-health-picnic-paint-and-sketch
DTSTART;TZID=Europe/London:20260921T140000
DTEND;TZID=Europe/London:20260921T170000
LOCATION:Hampstead Heath
SUMMARY:International Welcome Week: Hampstead Health Picnic\, Paint and Ske
 tch
END:VEVENT
END:VCALENDAR