Potomac in numbers
- Coordinates
- 39.0182, -77.2086
- Elevation
- 110 m above sea level
- Population
- 44 965
- Region
- Maryland
- Country
- United States, North America
- Capital
- Washington, D.C. — 20 km away
- Same name
- 6 more places in the world share this name
What time is it in Potomac, Maryland, United States
Local time in Potomac, Maryland, United States is shown on this page, based on the America/New_York time zone (−4).
Potomac, United States
Friday, 16 October 2026
UTC−4 · America/New_York
Local time in Potomac
UTC−4 · daylight saving time is active
What the clock shows right now in Potomac.
The sun today
Sunrise 7:20 AM Solar noon 12:55 PM Sunset 6:31 PM Daylight 11 h 10 min Night 12 h 50 min Civil twilight 6:53 AM – 6:58 PM
Weather in Potomac right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Potomac and its neighbours
Postal codes
- 20854
- 20859
- 61865
Postal codes come from the free GeoNames dataset. Where a code is listed with a distance, it belongs to a nearby settlement — GeoNames spells that name differently from ours.
Largest cities in Maryland
- Baltimore 585 708
- Columbia 99 615
- Germantown 86 395
- Silver Spring 71 452
- Frederick 69 479
- Waldorf 67 752
Other places named Potomac
- Potomac Illinois, United States
- Potomac Veracruz, Mexico
- Potomac Maryland, United States
- Potomac Montana, United States
- Potomac Virginia, United States
Same time zone — America/New_York
- New York City United States
- Brooklyn United States
- Queens United States
- Philadelphia United States
- Manhattan United States
- The Bronx United States
Nearby places
- Bradley Farms — 2.0 km
- Beverly Farms — 4.6 km
- Woodhaven — 7.1 km
- Travilah — 7.3 km
- Wyngate — 7.5 km
- Big Pines — 7.5 km
Local time details for Potomac
The register holds 3 postal codes for Potomac.
Potomac reads its time from America/New_York, placed at UTC−4. Whether daylight saving time is observed: Yes.
The day begins at Potomac with sunrise at 7:20 AM and ends with sunset at 6:31 PM. Daylight totals 11 h 10 min.
In Bradley Farms and Beverly Farms the clock agrees with Potomac.
Questions and answers
- Which time zone applies to Potomac?
- The time zone that applies to Potomac is America/New_York, with an offset of −4.
- Is there a seasonal clock change in Potomac?
- Yes.
- What hour brings sunset in Potomac?
- The hour is 6:31 PM.