Bilateral Time Zone Comparison
San Francisco to London Time Difference
London is exactly 8 hours ahead of San Francisco. Compare live atomic clocks, calculate overlapping working hours, and schedule meetings seamlessly.
Quick Answer: London is exactly 8 hours ahead of San Francisco. When it is 12:00 PM (Noon) in San Francisco, it is 8:00 PM in London. Outside standard daytime business hours.
Reference City
UTC -7San Francisco
Saturday, October 10, 2026
9:21:46
America/Los_AngelesTarget City
UTC +1London
Saturday, October 10, 2026
5:21:46
Europe/LondonExact Difference Summary
London is 8 hours behind of San Francisco
When it is 12:00 PM (Noon) in San Francisco, it is 8 hours behind in London.
24-Hour Time Conversion & Business Overlap
Highlighted green rows represent mutual office hours (9:00 AM – 6:00 PM).
Shared Business Hours
San:00:00
Lon:08:00
San:01:00
Lon:09:00
San:02:00
Lon:10:00
San:03:00
Lon:11:00
San:04:00
Lon:12:00
San:05:00
Lon:13:00
San:06:00
Lon:14:00
San:07:00
Lon:15:00
San:08:00
Lon:16:00
San:09:00
Lon:17:00
San:10:00
Lon:18:00
San:11:00
Lon:19:00
San:12:00
Lon:20:00
San:13:00
Lon:21:00
San:14:00
Lon:22:00
San:15:00
Lon:23:00
San:16:00
Lon:00:00
San:17:00
Lon:01:00
San:18:00
Lon:02:00
San:19:00
Lon:03:00
San:20:00
Lon:04:00
San:21:00
Lon:05:00
San:22:00
Lon:06:00
San:23:00
Lon:07:00
Hourly Comparison Table
San Francisco to London Hourly Time Chart
Hour-by-hour cross-reference table for planning transatlantic calls, remote handoffs, and meetings between San Francisco (United States) and London (United Kingdom).
| San Francisco Local Time | London Local Time |
|---|---|
| 8:00 AM (San Francisco) | 4:00 PM (London) |
| 9:00 AM (San Francisco) | 5:00 PM (London) |
| 10:00 AM (San Francisco) | 6:00 PM (London) |
| 11:00 AM (San Francisco) | 7:00 PM (London) |
| 12:00 PM (San Francisco) | 8:00 PM (London) |
| 1:00 PM (San Francisco) | 9:00 PM (London) |
| 2:00 PM (San Francisco) | 10:00 PM (London) |
| 3:00 PM (San Francisco) | 11:00 PM (London) |
| 4:00 PM (San Francisco) | 12:00 AM (London) |
| 5:00 PM (San Francisco) | 1:00 AM (London) |
| 6:00 PM (San Francisco) | 2:00 AM (London) |
| 7:00 PM (San Francisco) | 3:00 AM (London) |
| 8:00 PM (San Francisco) | 4:00 AM (London) |
Reverse Direction
London to San Francisco Time Difference
View San Francisco from the perspective of London with reciprocal business overlap.
View Reciprocal Clocks
Reference City Profile
Current Time in San Francisco, United States
Live atomic clock, daylight saving schedule, sunrise and sunset in San Francisco.
Explore San Francisco Clocks
Target City Profile
Current Time in London, United Kingdom
Live atomic clock, daylight saving schedule, sunrise and sunset in London.
Explore London Clocks
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London is exactly 8 hours ahead of San Francisco.
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