London to Fountain Valley time converter

Fountain Valley is 8 hours behind London. When it is 9:00 AM in London, it is 1:00 AM in Fountain Valley.

London BST

Wednesday, October 21, 2026

Fountain Valley PDT

Wednesday, October 21, 2026

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

London to Fountain Valley conversion table

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

LondonFountain Valley
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 Fountain Valley).

Daylight saving time and the difference

The difference changes during the year because London and Fountain Valley 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 Fountain Valley are 8,772 km (5,451 miles) apart in a straight line.

More conversions

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New York to Fountain ValleyLos Angeles to Fountain ValleyChicago to Fountain ValleyToronto to Fountain ValleySão Paulo to Fountain ValleyParis to Fountain ValleyBerlin to Fountain ValleyMoscow to Fountain ValleyDubai to Fountain ValleyNew Delhi to Fountain ValleyBangkok to Fountain ValleySingapore to Fountain Valley

Questions and answers

What is the time difference between London and Fountain Valley?

Fountain Valley is 8 hours behind London.

What time is it in Fountain Valley when it is 9 AM in London?

When it is 9:00 AM in London, it is 1:00 AM in Fountain Valley.

When is the best time to call Fountain Valley from London?

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

Does the time difference between London and Fountain Valley change?

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