BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250913T151058
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a297e820e35f
DTSTAMP:20260610T151058Z
SUMMARY:Passing by
DTSTART:20260621T153000Z
DTEND:20260621T153000Z
END:VEVENT
END:VCALENDAR