BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
SUMMARY:Test
DTSTART;TZID=Europe/London:20231221T143000
DTEND;TZID=Europe/London:20231221T160500
LOCATION:
DESCRIPTION: Test
STATUS:CONFIRMED
SEQUENCE:0
END:VEVENT
END:VCALENDAR