BEGIN:VCALENDAR
VERSION:2.0
PRODID:icalendar-ruby
CALSCALE:GREGORIAN
METHOD:REQUEST
BEGIN:VTIMEZONE
TZID:Asia/Shanghai
BEGIN:STANDARD
DTSTART:19910915T010000
TZOFFSETFROM:+0900
TZOFFSETTO:+0800
TZNAME:CST
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTAMP:20260724T021537Z
UID:4b2ad553-eeaf-4ec0-bb9c-e0799ffeb339
DTSTART;TZID=Asia/Shanghai:20250123T070000
DTEND;TZID=Asia/Shanghai:20250123T080000
ORGANIZER;CN='Kenny':mailto:kenny@outvizor.com
SUMMARY:My Event
END:VEVENT
END:VCALENDAR