London to San Francisco time — San Francisco is 8 hours behind
San Francisco is 8 hours behind of London during standard time. The two cities keep the same gap throughout the year. Their normal working days overlap by roughly 1 hour.
Standard time
8 hours behindApplies while neither zone is on daylight saving — broadly November to March in the northern hemisphere.
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London to San Francisco — every hour
Both columns are computed from the IANA database, so they follow the real transition dates.
| London | San Francisco — standard |
|---|---|
| 12:00 am | 4:00 pm (previous day) |
| 1:00 am | 5:00 pm (previous day) |
| 2:00 am | 6:00 pm (previous day) |
| 3:00 am | 7:00 pm (previous day) |
| 4:00 am | 8:00 pm (previous day) |
| 5:00 am | 9:00 pm (previous day) |
| 6:00 am | 10:00 pm (previous day) |
| 7:00 am | 11:00 pm (previous day) |
| 8:00 am | 12:00 am |
| 9:00 am | 1:00 am |
| 10:00 am | 2:00 am |
| 11:00 am | 3:00 am |
| 12:00 pm | 4:00 am |
| 1:00 pm | 5:00 am |
| 2:00 pm | 6:00 am |
| 3:00 pm | 7:00 am |
| 4:00 pm | 8:00 am |
| 5:00 pm | 9:00 am |
| 6:00 pm | 10:00 am |
| 7:00 pm | 11:00 am |
| 8:00 pm | 12:00 pm |
| 9:00 pm | 1:00 pm |
| 10:00 pm | 2:00 pm |
| 11:00 pm | 3:00 pm |
Questions people ask
San Francisco is 8 hours behind of London throughout the year.
The overlap is narrow — roughly an hour or two. Protect that window for anything that genuinely needs both parties live.
London observes daylight saving, and San Francisco does too. That is what decides whether the gap between them is fixed or seasonal.
Booking something recurring?
A fixed clock time drifts when either side changes its clocks. Our guides explain how to stop that happening.