BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20251114T085803
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a7ae41b2f229
DTSTAMP:20260811T085803Z
SUMMARY:Istanbul
DTSTART:20261219T180000Z
DTEND:20261219T180000Z
END:VEVENT
END:VCALENDAR