BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250825T214057
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a10cd69559b6
DTSTAMP:20260522T214057Z
SUMMARY:Istanbul
DTSTART:20260529T170000Z
DTEND:20260529T170000Z
END:VEVENT
END:VCALENDAR