BEGIN:VCALENDAR
VERSION:2.0
PRODID:sustainableswitzerland.ch
BEGIN:VTIMEZONE
TZID:Europe/Zurich
END:VTIMEZONE
BEGIN:VEVENT
SUMMARY:L'Ora della Terra
DTSTART;TZID=Europe/Zurich:20250326T203000
DTEND;TZID=Europe/Zurich:20250326T213000
DTSTAMP:20260603T233721Z
UID:<built-in function id>_YfYQmf2wF94tnjVfqsy7E9
END:VEVENT
END:VCALENDAR