Does London observe daylight saving time?

Yes. London is on BST (UTC+1) now, and its clocks go back 1 hour on Sun, Oct 25, to GMT (UTC+0).

Does Washington DC observe daylight saving time?

Yes. Washington DC is on EDT (UTC-4) now, and its clocks go back 1 hour on Sun, Nov 1, to EST (UTC-5).

What time is it in Washington DC when it's 9 AM in London?

4:00 AM in Washington DC, on the same day.

London to Washington DC Meeting Planner

Washington DC is 5 hours behind London right now. Their working days overlap for 3 hours today.

London · United Kingdom

6:12 AM

Sat, Oct 17 · BST · summer time

Washington DC · United States

1:12 AM

Sat, Oct 17 · EDT · summer time

Best Meeting Times Between London and Washington DC

2:00 PM to 5:00 PM in London (9:00 AM to 12:00 PM in Washington DC). That's when both cities are inside working hours, 9 AM to 5 PM, giving 3 hours of overlap today.

Who's meeting

2 of 4 places

LondonOrganizerUnited Kingdom ·· summer time6:12AMnow
Washington DCUnited States ·· summer time1:12AMnow

Add a city

Add up to 4 places by city, country, time zone or abbreviation, like Tokyo, India or JST. Press "/" to jump here.

Date in London

Working hours, everywhere

Best times to meet

Saturday, October 17, 2026, in London time.

2:00PMBest · OptimalWorking hours in London (14:00) and Washington DC (09:00).
3:00PMOption 2 · OptimalWorking hours in London (15:00) and Washington DC (10:00).
4:00PMOption 3 · OptimalWorking hours in London (16:00) and Washington DC (11:00).

The whole day

Pick any slot in the Fit row, or use the arrow keys there, to make it the meeting time.

Each column is a one-hour slot of the first place's day. The Fit row grades how well the slot suits everyone; each row shows the local time and whether it's working hours there.
Fit
LondonBST
Washington DCEDT
UTC	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22

Working hours (09–17)Just outside (07–09, 17–20)Late evening (20–23)NightFit: optimal, good, possible, poor

Your meeting

London2:00 PM BSTSat, Oct 17
Washington DC9:00 AM EDTSat, Oct 17
UTC2026-10-17 13:00 UTC

What will it cost? Try the meeting cost calculator.

Time difference between London and Washington DC

Washington DC is 5 hours behind London right now: Washington DC is on EDT (UTC-4) and London on BST (UTC+1). That changes on Sun, Oct 25, when clocks go back in London: then Washington DC is 4 hours behind London.

Time difference between London and Washington DC over the next 12 months
From	Difference	Why
Now	Washington DC 5 hours behind	—
Sun, Oct 25	Washington DC 4 hours behind	Clocks go back in London
Sun, Nov 1	Washington DC 5 hours behind	Clocks go back in Washington DC
Sun, Mar 14, 2027	Washington DC 4 hours behind	Clocks go forward in Washington DC
Sun, Mar 28, 2027	Washington DC 5 hours behind	Clocks go forward in London

London is on Greenwich Mean Time. Washington DC is on Eastern Standard Time.

Frequently Asked Questions: London & Washington DC Scheduling

What is the time difference between London and Washington DC?: Washington DC is 5 hours behind London right now: Washington DC is on EDT (UTC-4) and London on BST (UTC+1). That changes on Sun, Oct 25, when clocks go back in London: then Washington DC is 4 hours behind London.
What is the best time to schedule a meeting between London and Washington DC?: 2:00 PM to 5:00 PM in London (9:00 AM to 12:00 PM in Washington DC). That's when both cities are inside working hours, 9 AM to 5 PM, giving 3 hours of overlap today.
Does London observe daylight saving time?: Yes. London is on BST (UTC+1) now, and its clocks go back 1 hour on Sun, Oct 25, to GMT (UTC+0).
Does Washington DC observe daylight saving time?: Yes. Washington DC is on EDT (UTC-4) now, and its clocks go back 1 hour on Sun, Nov 1, to EST (UTC-5).
What time is it in Washington DC when it's 9 AM in London?: 4:00 AM in Washington DC, on the same day.

Or see every city pair, or plan with more places in the meeting planner.