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 Seattle observe daylight saving time?

Yes. Seattle is on PDT (UTC-7) now, and its clocks go back 1 hour on Sun, Nov 1, to PST (UTC-8).

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

1:00 AM in Seattle, on the same day.

London to Seattle Meeting Planner

Seattle is 8 hours behind London right now. Their working days don't overlap today.

London · United Kingdom

12:54 AM

Sun, Oct 18 · BST · summer time

Seattle · United States

4:54 PM

Sat, Oct 17 · PDT · summer time

Best Meeting Times Between London and Seattle

No time falls inside working hours (9 AM to 5 PM) in both cities. The closest is 3:00 PM in London, which is 7:00 AM in Seattle; consider splitting into two shorter meetings or shifting someone's hours.

Who's meeting

2 of 4 places

LondonOrganizerUnited Kingdom ·· summer time12:54AMnow
SeattleUnited States ·· summer time4:54PMYesterday · now

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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

Sunday, October 18, 2026, in London time.

3:00PMBest · GoodWorking hours in London (15:00); just outside working hours in Seattle (07:00).
4:00PMOption 2 · GoodWorking hours in London (16:00); just outside working hours in Seattle (08:00).
5:00PMOption 3 · GoodWorking hours in Seattle (09:00); just outside working hours in London (17:00).

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
SeattlePDT
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

London3:00 PM BSTSun, Oct 18
Seattle7:00 AM PDTSun, Oct 18
UTC2026-10-18 14:00 UTC

What will it cost? Try the meeting cost calculator.

Time difference between London and Seattle

Seattle is 8 hours behind London right now: Seattle is on PDT (UTC-7) and London on BST (UTC+1). That changes on Sun, Oct 25, when clocks go back in London: then Seattle is 7 hours behind London.

Time difference between London and Seattle over the next 12 months
From	Difference	Why
Now	Seattle 8 hours behind	—
Sun, Oct 25	Seattle 7 hours behind	Clocks go back in London
Sun, Nov 1	Seattle 8 hours behind	Clocks go back in Seattle
Sun, Mar 14, 2027	Seattle 7 hours behind	Clocks go forward in Seattle
Sun, Mar 28, 2027	Seattle 8 hours behind	Clocks go forward in London

London is on Greenwich Mean Time. Seattle is on Pacific Standard Time.

Frequently Asked Questions: London & Seattle Scheduling

What is the time difference between London and Seattle?: Seattle is 8 hours behind London right now: Seattle is on PDT (UTC-7) and London on BST (UTC+1). That changes on Sun, Oct 25, when clocks go back in London: then Seattle is 7 hours behind London.
What is the best time to schedule a meeting between London and Seattle?: No time falls inside working hours (9 AM to 5 PM) in both cities. The closest is 3:00 PM in London, which is 7:00 AM in Seattle; consider splitting into two shorter meetings or shifting someone's hours.
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 Seattle observe daylight saving time?: Yes. Seattle is on PDT (UTC-7) now, and its clocks go back 1 hour on Sun, Nov 1, to PST (UTC-8).
What time is it in Seattle when it's 9 AM in London?: 1:00 AM in Seattle, on the same day.

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