🇺🇸 Washington D.C. ↔ 🇺🇸 Philadelphia

Washington D.C. and Philadelphia usually keep the same time. Both observe daylight saving time, so the difference shifts by an hour for a few weeks around the spring and autumn changeovers.

Sunrise 5:45 AMSunset 8:38 PM(local)

Sunrise 5:34 AMSunset 8:34 PM(local)

Washington D.C.: daylight saving timeNow UTC-4 EDT. Next change: November 1, 2026 — clocks go back 1 hour.
Philadelphia: daylight saving timeNow UTC-4 EDT. Next change: November 1, 2026 — clocks go back 1 hour.
Washington D.C.UTC-4EDT
PhiladelphiaUTC-4EDT

🇺🇸 Washington D.C.

Dialing code+1
Population689,545
Coordinates38.90°N, 77.04°W
Elevation7 m

🇺🇸 Philadelphia

Dialing code+1
Population1,573,916
Coordinates39.95°N, 75.16°W
Elevation12 m

Best time for a call: 09:00–18:00 in Washington D.C.Add to calendar

Working hours assumed 9:00–18:00.

Frequently asked questions

What is the time difference between Washington D.C. and Philadelphia?
Washington D.C. and Philadelphia are in the same time. Use the side-by-side clocks and the day/night strips above to convert any hour between them.
When is the best time to call between Washington D.C. and Philadelphia?
The best window to call is 09:00–18:00 Washington D.C. time, when working hours overlap in both cities. Pick an hour on the strips to add it to your calendar.
Why does the time difference between Washington D.C. and Philadelphia change?
Because at least one of Washington D.C. and Philadelphia observes daylight saving time, the difference shifts by an hour when one city changes its clocks and the other has not yet (or does not).