BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:4c1d9fb9-df14-4eb9-b1c5-e10aae0750bb
DTSTAMP:20260421T155707Z
DTSTART;VALUE=DATE:20260405
SUMMARY:Tomb-Sweeping Day (Hong Kong)
END:VEVENT
END:VCALENDAR