Time difference between London and San Francisco
San Francisco is usually 8 hours behind London, but the gap shifts by an hour for a few weeks in spring and autumn because their clocks change on different dates.
Hour-by-hour conversion table
| London | San Francisco |
|---|
London and San Francisco through the year
| London | San Francisco | Difference | |
|---|---|---|---|
| January | UTC+0 | UTC−8 | -8 h |
| July | UTC+1 | UTC−7 | -8 h |
Time zones: London uses Europe/London, San Francisco uses America/Los Angeles. How far apart are they? See the distance from London to San Francisco. Current local time: London · San Francisco.
More time differences from London
Frequently asked questions
What is the time difference between London and San Francisco?
San Francisco is usually 8 hours behind London, but the gap shifts by an hour for a few weeks in spring and autumn because their clocks change on different dates. The live figure at the top of this page uses today’s rules.
If it is 9:00 AM in London, what time is it in San Francisco?
In January it is 1:00 (24-hour clock) in San Francisco; in July it is 1:00. Use the hour-by-hour table for any other hour.
Do London and San Francisco use daylight saving time?
London: yes (UTC+0 standard, UTC+1 summer). San Francisco: yes (UTC−8 standard, UTC−7 summer).