CET is the abbreviation for Central European Time, a time zone offset of UTC+1. It applies in
Much of Europe (winter).
It is the standard, winter offset; in summer the same region switches to CEST (UTC+2).
Time-zone abbreviations are convenient but not unique or official — several codes are shared by
more than one zone. When precision matters, use the underlying IANA zone name (for example
Europe/Paris) or the UTC offset UTC+1 instead.
Frequently asked questions
What does CET stand for?
CET stands for Central European Time. It is UTC+1, used in Much of Europe (winter).
What is the UTC offset of CET?
CET (Central European Time) is UTC+1, meaning it is 1 hour ahead of Coordinated Universal Time.
What is the daylight-saving version of CET?
CET is the winter (standard) abbreviation. Its counterpart is CEST (Central European Summer Time, UTC+2), used in the other half of the year.