Riderwood in numbers
- Coordinates
- 39.4093, -76.6486
- Elevation
- 78 m above sea level
- Region
- Maryland
- Country
- United States, North America
- Capital
- Washington, D.C. — 66 km away
- Same name
- 1 more places in the world share this name
What time is it in Riderwood, Maryland, United States
Local time right now in Riderwood, Maryland, United States appears above, in the America/New_York time zone (−4).
Riderwood, United States
Friday, 16 October 2026
UTC−4 · America/New_York
Local time in Riderwood
UTC−4 · daylight saving time is active
Local time in Riderwood, Maryland.
The sun today
Sunrise 7:18 AM Solar noon 12:53 PM Sunset 6:28 PM Daylight 11 h 10 min Night 12 h 50 min Civil twilight 6:51 AM – 6:55 PM
Weather in Riderwood right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Riderwood and its neighbours
Postal codes
- 21139
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 Riderwood
- Riderwood Alabama, 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
- Sunset Knoll — 0.9 km
- Thornleigh — 0.9 km
- Wellington Valley — 2.2 km
- Twinridge — 3.0 km
- Westwind — 3.0 km
- Cloisters — 3.1 km
About the time in Riderwood
Riderwood reads its time from America/New_York, placed at UTC−4. Whether daylight saving time is observed: Yes.
In Riderwood the sun appears at 7:18 AM and disappears at 6:28 PM today. Daylight stretches 11 h 10 min.
Around Riderwood, places such as Sunset Knoll and Thornleigh use the same time.
1 postal code have been allocated to Riderwood.
Questions and answers
- Which time zone is local to Riderwood?
- The time zone local to Riderwood is America/New_York, with an offset of −4.
- Does the time in Riderwood shift by an hour at any point in the year?
- Yes.
- What time is sunrise in Riderwood?
- It is 7:18 AM.