São Francisco to London time converter

London is 4 hours ahead of São Francisco. When it is 9:00 AM in São Francisco, it is 1:00 PM in London.

São Francisco BRT

Wednesday, October 21, 2026

London BST

Wednesday, October 21, 2026

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

São Francisco to London conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 21, 2026 – Oct 24, 2026: +4h
  • Oct 24, 2026 – Mar 27, 2027: +3h
  • Mar 27, 2027 – Oct 21, 2027: +4h

Distance

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

More conversions

London to São FranciscoSão Francisco to New YorkSão Francisco to Los AngelesSão Francisco to ChicagoSão Francisco to TorontoSão Francisco to São PauloSão Francisco to ParisSão Francisco to BerlinSão Francisco to MoscowSão Francisco to DubaiSão Francisco to New DelhiSão Francisco to BangkokSão Francisco 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 São Francisco and London?

London is 4 hours ahead of São Francisco.

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

When it is 9:00 AM in São Francisco, it is 1:00 PM in London.

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

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

Does the time difference between São Francisco 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.