BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//time.you/holidays//NONSGML v1.0//EN
BEGIN:VEVENT
UID:72818dfa-020b-4605-8bef-3a8331086a3e
DTSTAMP:20260423T111324Z
DTSTART;VALUE=DATE:20260501
SUMMARY:Labor Day (Switzerland)
END:VEVENT
END:VCALENDAR