London to Vacaville time converter

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

London BST

Tuesday, October 20, 2026

Vacaville PDT

Monday, October 19, 2026

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

London to Vacaville conversion table

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

LondonVacaville
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 Vacaville).

Daylight saving time and the difference

The difference changes during the year because London and Vacaville 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 Vacaville are 8,542 km (5,308 miles) apart in a straight line.

More conversions

Vacaville 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 VacavilleLos Angeles to VacavilleChicago to VacavilleToronto to VacavilleSão Paulo to VacavilleParis to VacavilleBerlin to VacavilleMoscow to VacavilleDubai to VacavilleNew Delhi to VacavilleBangkok to VacavilleSingapore to Vacaville

Questions and answers

What is the time difference between London and Vacaville?

Vacaville is 8 hours behind London.

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

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

When is the best time to call Vacaville from London?

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

Does the time difference between London and Vacaville change?

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