Central European Time (CET) is a standard time which is 1 hour ahead of Coordinated Universal Time (UTC).The time offset from UTC can be written as UTC+01:00.It is used in most parts of Europe and in a few North African countries.CET is also known as Middle European Time (MET, German: MEZ) and by colloquial names such as Amsterdam Time, Berlin Time, Brussels Time, Madrid Time, Paris Time, Rome Time, Warsaw Time or even Romance Standard Time (RST). The 15th meridian east is the central axis for UTC+01:00 in the world system of time zones.