BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250904T130402
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a1d8342ca089
DTSTAMP:20260601T130402Z
SUMMARY:Passing by
DTSTART:20260621T100000Z
DTEND:20260621T100000Z
END:VEVENT
END:VCALENDAR