London to West Lake Sammamish time converter

West Lake Sammamish is 8 hours behind London. When it is 9:00 AM in London, it is 1:00 AM in West Lake Sammamish.

London BST

Wednesday, October 21, 2026

West Lake Sammamish PDT

Wednesday, October 21, 2026

London
United Kingdom
Wed, Oct 21
BSTUTC+1
West Lake Sammamish
Washington, United States
Wed, Oct 21
PDTUTC-7-8h
Finding your time zone…
Shared working hours (9:00–18:00)

London to West Lake Sammamish conversion table

Every hour of today in London and the matching time in West Lake Sammamish. Light rows are typical working hours (9:00–18:00).

LondonWest Lake Sammamish
12:00 AM4:00 PM−1 day
1:00 AM5:00 PM−1 day
2:00 AM6:00 PM−1 day
3:00 AM7:00 PM−1 day
4:00 AM8:00 PM−1 day
5:00 AM9:00 PM−1 day
6:00 AM10:00 PM−1 day
7:00 AM11:00 PM−1 day
8:00 AM12:00 AM
9:00 AM1:00 AM
10:00 AM2:00 AM
11:00 AM3:00 AM
12:00 PM4:00 AM
1:00 PM5:00 AM
2:00 PM6:00 AM
3:00 PM7:00 AM
4:00 PM8:00 AM
5:00 PM9:00 AM
6:00 PM10:00 AM
7:00 PM11:00 AM
8:00 PM12:00 PM
9:00 PM1:00 PM
10:00 PM2:00 PM
11:00 PM3:00 PM

Best time to call or meet

Both sides are at work from 5:00 PM – 6:00 PM in London (9:00 AM – 10:00 AM in West Lake Sammamish).

Daylight saving time and the difference

The difference changes during the year because London and West Lake Sammamish switch clocks on different dates:

  • Oct 21, 2026 – Oct 25, 2026: -8h
  • Oct 25, 2026 – Nov 1, 2026: -7h
  • Nov 1, 2026 – Mar 14, 2027: -8h
  • Mar 14, 2027 – Mar 28, 2027: -7h
  • Mar 28, 2027 – Oct 21, 2027: -8h

Distance

London and West Lake Sammamish are 7,692 km (4,780 miles) apart in a straight line.

More conversions

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Questions and answers

What is the time difference between London and West Lake Sammamish?

West Lake Sammamish is 8 hours behind London.

What time is it in West Lake Sammamish when it is 9 AM in London?

When it is 9:00 AM in London, it is 1:00 AM in West Lake Sammamish.

When is the best time to call West Lake Sammamish from London?

Both sides are at work from 5:00 PM – 6:00 PM in London (9:00 AM – 10:00 AM in West Lake Sammamish).

Does the time difference between London and West Lake Sammamish change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.