BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:8a00b844-9819-4116-b8c9-e6fc31934910
DTSTAMP:20260420T002111Z
DTSTART;VALUE=DATE:20261225
SUMMARY:Christmas Day (Switzerland)
END:VEVENT
END:VCALENDAR