Time Difference Between London and San Francisco
San Francisco is 8h behind London.
This is the standard-time difference as of 2026. If either city observes daylight saving time, the actual difference can shift by up to an hour for part of the year — the live clocks below always show the current real-time difference.
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Working Hours Overlap
For each hour of London's working day (9:00-18:00), here is the corresponding local time in San Francisco. Rows highlighted green fall within standard working hours (9:00-18:00) in both cities.
| London | San Francisco | Both working hours? |
|---|---|---|
| 9 AM | 1 AM | No |
| 10 AM | 2 AM | No |
| 11 AM | 3 AM | No |
| 12 PM | 4 AM | No |
| 1 PM | 5 AM | No |
| 2 PM | 6 AM | No |
| 3 PM | 7 AM | No |
| 4 PM | 8 AM | No |
| 5 PM | 9 AM | Yes |
| 6 PM | 10 AM | No |
Best Time to Meet
- 5 PM-6 PM in London (9 AM-10 AM in San Francisco) works for both sides — it falls within standard 9 AM-6 PM working hours in both time zones.
London
London uses the Europe/London IANA time zone, currently at UTC+1. This zone observes daylight saving time.
San Francisco
San Francisco uses the America/Los_Angeles IANA time zone, currently at UTC-7. This zone observes daylight saving time.