This can add a bit of confusion as the term Central Time does not differentiate between standard time and Daylight Saving Time, so Central Time switches between CST and CDT in areas that use DST during part of the year. In everyday usage, CDT is often referred to as Central Time (CT) or the Central Time Zone.

Central Standard Time (CST) is used during the remainder of the year.

CDT or CST?Ĭentral 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). In North America, Central Daylight Time shares a border with Eastern Daylight Time (EDT) in the east and with Mountain Daylight Time (MDT) in the west. It spans from northern Canada and south to Mexico. It covers all or parts of 20 states in the US and three provinces or territories in Canada.Ībout a third of the population in the USA live in the CDT time zone. See full time zone map What Is Central Daylight Time?Ĭentral Daylight Time (CDT) is the second easternmost time zone in the United States and is also used in Canada. This time zone is a Daylight Saving Time time zone and is used in: North America. Business Date to Date (exclude holidays)Ĭurrently observing CDT – Central Daylight Time.Ĭurrently has same time zone offset as CDT (UTC -5) but different time zone name.Ĭentral Daylight Time (CDT) is 5 hours behind Coordinated Universal Time (UTC).

Wisconsin time zone name