London to San Francisco time converter

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

London  
San Francisco  

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The difference changes during the year

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

Best time for a call

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

Questions

How many hours ahead is San Francisco of London?

San Francisco is 8 hours behind of London 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 London in San Francisco?

9:00 AM in London is 1:00 AM in San Francisco.

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

Assuming a 9:00 AM to 6:00 PM working day on both sides, the overlap in London local time is 5:00 PM to 6:00 PM.

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 London or time in San Francisco.

Other conversions from London