BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250909T153817
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a243ee945791
DTSTAMP:20260606T153817Z
SUMMARY:Passing by
DTSTART:20260621T153000Z
DTEND:20260621T153000Z
END:VEVENT
END:VCALENDAR