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Time difference between San Francisco and London

London is 8 hours ahead of San Francisco.

San Francisco
United States · Pacific Daylight Time
12:46 AM
Wednesday, October 21, 2026
London
United Kingdom · British Summer Time
8:46 AM
Wednesday, October 21, 2026
Compare more placesLondon to San Francisco

San Francisco to London time converter

Green rows are office hours in both places; light green rows are when both are awake.

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

Questions

What is the time difference between San Francisco and London?

London is 8 hours ahead of San Francisco. San Francisco is on UTC−7 and London is on UTC+1.

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

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

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

The best time to call or meet is 9:00 AM–10:00 AM in San Francisco (5:00 PM–6:00 PM in London), when both places are in normal office hours.

Does the time difference between San Francisco and London change?

Yes. Because of daylight saving time, the difference changes on Saturday, October 24, 2026, when London will be 7 hours ahead of San Francisco.

San Francisco is 8 hours behind London. More: time in San Francisco · time in London

Time difference from San Francisco to other cities

All San Francisco time differences →

Time difference from London