What time is it in Potomac, Maryland?
8:04:29 AM
Friday, September 25, 2026. Eastern Daylight Time, UTC−4:00.
- Time zone
- Eastern Daylight Time
- UTC offset
- UTC−4:00
- Daylight saving
- In force now
- Population
- 47,018
Daylight saving in Potomac
Potomac is currently on daylight saving time. The next change is Sunday, November 1, 2026, when 2:00 am becomes 1:00 am local time.
Potomac sits at 39.01°N, 77.19°W. For sunrise and sunset there — which do depend on exactly where it is, unlike the clock — see sunrise and sunset in Potomac.
Clock time against sun time
The clock says the same thing everywhere in Eastern Daylight Time, but the sun does not. Over Potomac it is highest at 1:00 pm today — 60 minutes after clock noon.
At 77.2°W, Potomac sits well toward the western edge of its zone, which is why the sun stays up later here than the clock suggests. Daylight saving adds another hour on top until the clocks change.
Daylight in Potomac today
- Sunrise
- 6:59 am
- Sunset
- 7:01 pm
- Day length
- 12 hours 2 minutes
- Longest day
- 14 hours 55 minutes
Today runs 12 hours 2 minutes in Potomac, and the day is getting shorter by 3 minutes a day. Across the year it swings 5 hours 29 minutes, from 14 hours 55 minutes at the June solstice down to 9 hours 25 minutes in December.
At 39.0°N that puts Potomac between Kailua at 2 hours 22 minutes and Fairbanks at 18 hours 9 minutes.