London to São Francisco time converter

São Francisco is 4 hours behind London. When it is 9:00 AM in London, it is 5:00 AM in São Francisco.

London BST

Wednesday, October 21, 2026

São Francisco BRT

Wednesday, October 21, 2026

London
United Kingdom
Wed, Oct 21
BSTUTC+1
São Francisco
Minas Gerais, Brazil
Wed, Oct 21
BRTUTC-3-4h
Finding your time zone…
Shared working hours (9:00–18:00)

London to São Francisco conversion table

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

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

Best time to call or meet

Both sides are at work from 1:00 PM – 6:00 PM in London (9:00 AM – 2:00 PM in São Francisco).

Daylight saving time and the difference

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

  • Oct 21, 2026 – Oct 25, 2026: -4h
  • Oct 25, 2026 – Mar 28, 2027: -3h
  • Mar 28, 2027 – Oct 21, 2027: -4h

Distance

London and São Francisco are 8,659 km (5,380 miles) apart in a straight line.

More conversions

São Francisco 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 São FranciscoLos Angeles to São FranciscoChicago to São FranciscoToronto to São FranciscoSão Paulo to São FranciscoParis to São FranciscoBerlin to São FranciscoMoscow to São FranciscoDubai to São FranciscoNew Delhi to São FranciscoBangkok to São FranciscoSingapore to São Francisco

Questions and answers

What is the time difference between London and São Francisco?

São Francisco is 4 hours behind London.

What time is it in São Francisco when it is 9 AM in London?

When it is 9:00 AM in London, it is 5:00 AM in São Francisco.

When is the best time to call São Francisco from London?

Both sides are at work from 1:00 PM – 6:00 PM in London (9:00 AM – 2:00 PM in São Francisco).

Does the time difference between London and São Francisco change?

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