BEGIN:VCALENDAR
PRODID:-//eluceo/ical//2.0/EN
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VTIMEZONE
TZID:Europe/Athens
BEGIN:DAYLIGHT
DTSTART:20260914T202103
TZNAME:EEST
TZOFFSETTO:+0300
TZOFFSETFROM:+0300
END:DAYLIGHT
END:VTIMEZONE
END:VCALENDAR