BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
DTSTART;TZID=Europe/London:20260619T090000
DTEND;TZID=Europe/London:00010101T090000
SUMMARY:
LOCATION:In-person
DESCRIPTION:
PRIORITY:3
END:VEVENT
END:VCALENDAR