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:20251026T010000
TZOFFSETFROM:+0100
TZOFFSETTO:+0000
RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10
TZNAME:GMT
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTAMP:20260412T070731Z
UID:cisa-ramadan-lecture-iftar
DTSTART;TZID=Europe/London:20260311T174500
DTEND;TZID=Europe/London:20260311T190000
LOCATION:Glasgow Caledonian University\, Cowcaddens Road\, Glasgow G4 0BA
SUMMARY:CISA Ramadan Lecture + Iftar 
END:VEVENT
END:VCALENDAR