San Francisco to London Time Difference
🇺🇸 San Francisco is currently 7 hours ahead of 🇬🇧 London. This difference varies between 7h and 8h due to Daylight Saving Time.
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Atin 🇺🇸 San Francisco→it will be—in 🇬🇧 London
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Difference
+7h
Business overlap
2h
Distance
8,616 km
Approx. flight
10.1h
Hour-by-Hour: San Francisco to London
| 🇺🇸 San Francisco | 🇬🇧 London | Note |
|---|---|---|
| 12:00 AM | 7:00 AM | |
| 1:00 AM | 8:00 AM | |
| 2:00 AM | 9:00 AM | |
| 3:00 AM | 10:00 AM | |
| 4:00 AM | 11:00 AM | |
| 5:00 AM | 12:00 PM | |
| 6:00 AM | 1:00 PM | |
| 7:00 AM | 2:00 PM | |
| 8:00 AM | 3:00 PM | |
| 9:00 AM | 4:00 PM | |
| 10:00 AM | 5:00 PM | |
| 11:00 AM | 6:00 PM | |
| 12:00 PM | 7:00 PM | |
| 1:00 PM | 8:00 PM | |
| 2:00 PM | 9:00 PM | |
| 3:00 PM | 10:00 PM | |
| 4:00 PM | 11:00 PM | |
| 5:00 PM | 12:00 AM(next day) | Next day |
| 6:00 PM | 1:00 AM(next day) | Next day |
| 7:00 PM | 2:00 AM(next day) | Next day |
| 8:00 PM | 3:00 AM(next day) | Next day |
| 9:00 PM | 4:00 AM(next day) | Next day |
| 10:00 PM | 5:00 AM(next day) | Next day |
| 11:00 PM | 6:00 AM(next day) | Next day |
Daylight Saving Time (DST)
Both San Francisco and London observe Daylight Saving Time, but they may switch on different dates. The time difference varies between 7 hours ahead and 8 hours ahead throughout the year. Currently, San Francisco is 7 hours ahead relative to London.
Min difference
7h
Max difference
8h
Best Meeting Times
There are 2 overlapping business hours between San Francisco and London (9 AM – 6 PM in each city).
🇺🇸 San Francisco
9:00 AM – 11:00 AM
🇬🇧 London
4:00 PM – 6:00 PM
Frequently Asked Questions
What is the time difference between San Francisco and London?
The time difference between San Francisco and London is currently 7 hours ahead. San Francisco uses PDT (UTC-7), while London uses GMT (UTC+0). This difference varies seasonally due to Daylight Saving Time, ranging from 7 hours ahead to 8 hours ahead.
When it's noon in San Francisco, what time is it in London?
When it's 12:00 PM (noon) in San Francisco, it is 7:00 PM in London. Use our calculator above to convert any other time.
Does the time difference between San Francisco and London change?
Yes, the time difference changes throughout the year. Because San Francisco observes Daylight Saving Time, the offset shifts between 7 hours ahead and 8 hours ahead at different times of the year.
What are the best times to schedule a call between San Francisco and London?
The best time to call is between 9:00 AM and 11:00 AM in San Francisco (which is 4:00 PM – 6:00 PM in London). This 2-hour window falls within business hours in both cities.
Is San Francisco ahead or behind London?
San Francisco is currently 7 hours behind London.
What time zone is San Francisco in?
San Francisco is in the America/Los Angeles time zone, currently using PDT (UTC-7). San Francisco observes Daylight Saving Time, so the offset changes twice a year.
What time is midnight in San Francisco in London?
When it is midnight (12:00 AM) in San Francisco, it is 7:00 AM in London.