Eastern Time Zone - Wikipedia Eastern Daylight Time (EDT), which is four hours behind Coordinated Universal Time (UTC−04:00) and observed during spring summer early autumn Areas in the Eastern Time Zone which do not observe daylight saving time use Eastern Standard Time, which is based on the 75th meridian west of Greenwich
Current Eastern (EST EDT) Time Now in USA and Canada Specifically, it is Eastern Standard Time (EST) when standard time is observed (winter), and Eastern Daylight Time (EDT) when daylight saving time is observed (spring, summer and autumn)