Delaware Time Zone Map
Eastern Time, statewide.
Time zones in Delaware
| Zone | IANA | Standard | Daylight | Abbr |
|---|---|---|---|---|
| Eastern Time | America/New_York | UTC−5 | UTC−4 | EST / EDT |
Delaware is Eastern Time statewide (EST/EDT, UTC−5 in winter, UTC−4 in summer); Wilmington, Dover and the beach towns of Sussex County all follow the same clock.
Crossing the state line
Pennsylvania, Maryland and New Jersey (across the Delaware River and Bay) all keep Eastern Time, so the Philadelphia–Wilmington corridor and the Cape May–Lewes ferry run on a single clock.
Frequently asked questions
Which zone does Delaware follow?
Delaware is Eastern Time, statewide.
Is Delaware in a single time zone?
Yes — Delaware is wholly inside Eastern Time.
What time zone is Wilmington in?
Wilmington is on Eastern Time (EST / EDT — UTC−5 in winter, UTC−4 in summer, IANA zone America/New_York).
Sources: zone boundaries from the U.S. Department of Transportation’s time zone regulations (49 CFR Part 71); offsets and daylight saving rules from the IANA time zone database. See Data Sources for how this site uses them.