Daylight Saving Time

• Eastern Daylight Saving Time (EDT) starts on the second Sunday of March (The clock went forward by one hour).
• EDT ends on the first Sunday of November (The clock time will go back one hour).
• Eastern Standard Time (EST) is used during the remainder of the year.

• EST - Easter Standard Time (UTC-5)
• EDT - Easter Daylight Time (UTC-4)
• Eastern time

Annapolis, Baltimore, Bethesda, Chesapeake Beach, Chestertown, Cumberland, Frederick, Gaithersburg, Germantown, Greenbelt, Hagerstown, Takoma Park, Waldorf.

The IANA time zone identifiers for Maryland is America/New_York

Related: US Timezones.