Eastern standard time zone eastern standard time (est) is a standard time zone in use from the first sunday in november to the second sunday in march—when daylight saving time (dst) is not in. Central daylight time (cdt) is a north american time zone in use from the second sunday in march to the first sunday in november during daylight saving time (dst). The term eastern time (et) is often used to denote the local time in areas observing either eastern standard time (est) or eastern daylight time (edt).
It takes into account daylight saving time (dst) changes worldwide. In other words, in locations observing daylight. The timeanddate.com time zone map gives an overview of current local times around the world.
Central european time (cet) is the standard time zone used by many countries in europe and parts of northern africa. Major countries using cet include germany, france, italy, spain (mainland),. Like in the us, canada's time zones are often referred to by their generic name, without making a difference between standard time and daylight saving time designations.