Mercer Island to London time converter

London is 8 hours ahead of Mercer Island. When it is 9:00 AM in Mercer Island, it is 5:00 PM in London.

Mercer Island PDT

Wednesday, October 21, 2026

London BST

Wednesday, October 21, 2026

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

Mercer Island to London conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because Mercer Island and London switch clocks on different dates:

  • Oct 21, 2026 – Oct 24, 2026: +8h
  • Oct 24, 2026 – Nov 1, 2026: +7h
  • Nov 1, 2026 – Mar 14, 2027: +8h
  • Mar 14, 2027 – Mar 27, 2027: +7h
  • Mar 27, 2027 – Oct 21, 2027: +8h

Distance

Mercer Island and London are 7,698 km (4,783 miles) apart in a straight line.

More conversions

London to Mercer IslandMercer Island to New YorkMercer Island to Los AngelesMercer Island to ChicagoMercer Island to TorontoMercer Island to São PauloMercer Island to ParisMercer Island to BerlinMercer Island to MoscowMercer Island to DubaiMercer Island to New DelhiMercer Island to BangkokMercer Island to Singapore
New York to LondonLos Angeles to LondonChicago to LondonToronto to LondonSão Paulo to LondonParis to LondonBerlin to LondonMoscow to LondonDubai to LondonNew Delhi to LondonBangkok to LondonSingapore to London

Questions and answers

What is the time difference between Mercer Island and London?

London is 8 hours ahead of Mercer Island.

What time is it in London when it is 9 AM in Mercer Island?

When it is 9:00 AM in Mercer Island, it is 5:00 PM in London.

When is the best time to call London from Mercer Island?

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

Does the time difference between Mercer Island and London change?

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