BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250904T145128
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a1d9c7051076
DTSTAMP:20260601T145128Z
SUMMARY:Così fan tutte
DTSTART:20260721T170000Z
DTEND:20260721T170000Z
END:VEVENT
END:VCALENDAR