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
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BEGIN:STANDARD
DTSTART:20261025T010000
TZOFFSETFROM:+0100
TZOFFSETTO:+0000
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TZNAME:GMT
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BEGIN:VEVENT
DTSTAMP:20260416T215008Z
UID:eastern-european-formal-40c9
DTSTART;TZID=Europe/London:20260416T210000
DTEND;TZID=Europe/London:20260417T020000
LOCATION:The Cocktail Club\, 37-39 Corn St\, Bristol BS1 1HT
SUMMARY:Eastern European Formal
END:VEVENT
END:VCALENDAR