Washington D.C. to London Time Difference

How many hours is Washington D.C. behind London?

London is 5 hours ahead of Washington D.C.. When it is 12:00 noon in Washington D.C., it is 17:00 in London. Washington D.C. operates on America/New York (UTC-4), while London uses Europe/London (UTC+1).

What is the best time to call London from Washington D.C.?

There are 3 hours of overlapping business time (9 AM–5 PM) between Washington D.C. and London. The best window is 09:00–12:00 Washington D.C. time (14:00–17:00 in London).

Does the Washington D.C. to London time difference change throughout the year?

The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.

Flying between Washington D.C. and London

The distance between Washington D.C. and London is approximately 5,897 km. A direct flight typically takes around 7.9 hours. Your arrival clock will show local London time — use our Flight Time Calculator to predict exact arrival times.