BEGIN:VCALENDAR
VERSION:2.0
BEGIN:VEVENT
DTSTART:20210715T103000
DURATION:PT00H00M00S
SUMMARY:[DEADLINE] ΕΞΕΤΆΣΕΙΣ 
DESCRIPTION:(deadline: 2021-07-15 10:30:00)
BEGIN:VALARM
TRIGGER:-PT24H
DURATION:PT10H
ACTION:DISPLAY
DESCRIPTION:DEADLINE REMINDER for ΕΞΕΤΆΣΕΙΣ
END:VALARM
END:VEVENT
END:VCALENDAR