BEGIN:VCALENDAR
BEGIN:VTIMEZONE
TZID:Europe/London
BEGIN:DAYLIGHT
TZOFFSETFROM:+0000
RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
DTSTART:19810329T010000
TZNAME:BST
TZOFFSETTO:+0100
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0100
RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
DTSTART:19961027T020000
TZNAME:GMT
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
VERSION:2.0
PRODID:-//BoxStuff//CRM 1.0.0//EN
CALSCALE:Gregorian
BEGIN:VEVENT
DTSTART;TZID=Europe/London:20251123
DTEND;TZID=Europe/London:20251124
DESCRIPTION:
DTSTAMP;TZID=Europe/London:20251009T100904
CREATED;TZID=Europe/London:20251009T100904
LAST_MODIFIED;TZID=Europe/London:20251023T111835
SUMMARY:SUP promotion day
UID:b5d8782e-6825-4824-8009-43a5b5e3f118
END:VEVENT
END:VCALENDAR