BEGIN:VCALENDAR
PRODID:-//github.com/ical-org/ical.net//NONSGML ical.net 4.0//EN
VERSION:2.0
X-WR-CALNAME:
BEGIN:VTIMEZONE
TZID:Asia/Hong_Kong
X-LIC-LOCATION:Asia/Hong_Kong
END:VTIMEZONE
BEGIN:VEVENT
DESCRIPTION:
DTEND;TZID=Asia/Hong_Kong:20281120T113000
DTSTAMP:20260801T003234Z
DTSTART;TZID=Asia/Hong_Kong:20251120T083000
SEQUENCE:0
SUMMARY:Book a Visit
UID:8d6f34ae-25ad-40db-bc36-843a482f74c0
END:VEVENT
END:VCALENDAR