BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250909T153813
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a243ee5223ce
DTSTAMP:20260606T153813Z
SUMMARY:Passing by
DTSTART:20260621T100000Z
DTEND:20260621T100000Z
END:VEVENT
END:VCALENDAR