London to Sunnyvale time converter

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

London BST

Tuesday, October 20, 2026

Sunnyvale PDT

Monday, October 19, 2026

London
United Kingdom
Tue, Oct 20
BSTUTC+1
Sunnyvale
California, United States
Mon, Oct 19
PDTUTC-7-8h
Finding your time zone…
Shared working hours (9:00–18:00)

London to Sunnyvale conversion table

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

LondonSunnyvale
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 Sunnyvale).

Daylight saving time and the difference

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

  • Oct 20, 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 20, 2027: -8h

Distance

London and Sunnyvale are 8,636 km (5,366 miles) apart in a straight line.

More conversions

Sunnyvale to LondonLondon to New YorkLondon to Los AngelesLondon to ChicagoLondon to TorontoLondon to São PauloLondon to ParisLondon to BerlinLondon to MoscowLondon to DubaiLondon to New DelhiLondon to BangkokLondon to Singapore
New York to SunnyvaleLos Angeles to SunnyvaleChicago to SunnyvaleToronto to SunnyvaleSão Paulo to SunnyvaleParis to SunnyvaleBerlin to SunnyvaleMoscow to SunnyvaleDubai to SunnyvaleNew Delhi to SunnyvaleBangkok to SunnyvaleSingapore to Sunnyvale

Questions and answers

What is the time difference between London and Sunnyvale?

Sunnyvale is 8 hours behind London.

What time is it in Sunnyvale when it is 9 AM in London?

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

When is the best time to call Sunnyvale from London?

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

Does the time difference between London and Sunnyvale change?

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