San Francisco to London time converter

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

San Francisco  
London  

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The difference changes during the year

Because San Francisco and London do not start and end daylight saving time together, the gap between them is not constant. Over the next twelve months it takes 2 different values.

Hour by hour while London is 7 hours ahead of San Francisco. Shaded rows are inside both working days.
San FranciscoLondon
12:00 AM7:00 AM
1:00 AM8:00 AM
2:00 AM9:00 AM
3:00 AM10:00 AM
4:00 AM11:00 AM
5:00 AM12:00 PM
6:00 AM1:00 PM
7:00 AM2:00 PM
8:00 AM3:00 PM
9:00 AM4:00 PM
10:00 AM5:00 PM
11:00 AM6:00 PM
12:00 PM7:00 PM
1:00 PM8:00 PM
2:00 PM9:00 PM
3:00 PM10:00 PM
4:00 PM11:00 PM
5:00 PM12:00 AM (next day)
6:00 PM1:00 AM (next day)
7:00 PM2:00 AM (next day)
8:00 PM3:00 AM (next day)
9:00 PM4:00 AM (next day)
10:00 PM5:00 AM (next day)
11:00 PM6:00 AM (next day)
Hour by hour while London is 8 hours ahead of San Francisco. Shaded rows are inside both working days.
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)

Best time for a call

Taking a working day of 9:00 AM to 6:00 PM on both sides, the overlap in San Francisco local time is 9:00 AM to 10:00 AM, which is 5:00 PM onward in London.

Questions

How many hours ahead is London of San Francisco?

London is 8 hours ahead of San Francisco right now. That gap is not constant through the year, because the two places change their clocks on different dates.

What time is 9:00 AM in San Francisco in London?

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

What is the best time for a meeting between San Francisco and London?

Assuming a 9:00 AM to 6:00 PM working day on both sides, the overlap in San Francisco local time is 9:00 AM to 10:00 AM.

Local time in each city

For the current time on its own, with the daylight saving dates that apply and the working week in that country, see time in San Francisco or time in London.

Other conversions from San Francisco