BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20260122T171723
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6ad650a3ee77f
DTSTAMP:20261019T171723Z
SUMMARY:Istanbul
DTSTART:20270327T180000Z
DTEND:20270327T180000Z
END:VEVENT
END:VCALENDAR