Time difference between San Francisco and London

London is 8 hours ahead of San Francisco.

United States · Pacific Standard Time

4:35 PM

Wednesday, November 11, 2026

United Kingdom · Greenwich Mean Time

12:35 AM

Thursday, November 12, 2026

San Francisco to London time converter

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

What is the time difference between San Francisco and London?

London is 8 hours ahead of San Francisco. San Francisco is on UTC−8 and London is on UTC+0.

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.

Which days are working days in both San Francisco and London?

Both San Francisco and London usually work Monday to Friday.

Does the time difference between San Francisco and London change?

Yes. Because of daylight saving time, the difference changes on Sunday, March 14, 2027, 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