EDT, or Eastern Daylight Time, is used to refer to the time zone observed on the east coast of North America during the summer months. There are a number of different synonyms for EDT that can be used depending on the context and the audience being addressed. Some commonly used terms include EST (Eastern Standard Time), ECT (Eastern Clock Time), and EAT (Eastern Atlantic Time). In addition to these common terms, there are also a number of lesser known synonyms that can be used depending on the specific region or country being discussed. Whatever the context, it is important to use the appropriate synonym for EDT in order to avoid confusion and communicate accurately with others.