known as "Central European Summertime" (CEST). The clocks are advanced by one hour. In all participating countries， this changeover always takes place on the last Sunday in March and October at 2 or 3 o'clock at night. Listen to this page 。
Central European Time (CET)This is the Central European standard time， which covers numerous countries from western Spain to the eastern Poland. A total of 33 countries are located in this time zone. During the summer， all countries still change their clocks from Central European Time to summer time，。