London to San Francisco
Converting a fixed time. Europe/London → America/Los_Angeles · 8,616 km (5,351 miles) apart
Clocks go back 1 hour on Sunday, 25th October 2026, at 1:59 am local time (1:00 am after the change).
Clocks go back 1 hour on Sunday, 1st November 2026, at 1:59 am local time (1:00 am after the change).
Convert a specific time minutes work, not just whole hours
Hour by hour
| London | San Francisco | 24h | Good to call? |
|---|---|---|---|
| 12am | 4pm Wed | 00:00 → 16:00 | asleep in London |
| 1am | 5pm Wed | 01:00 → 17:00 | asleep in London |
| 2am | 6pm Wed | 02:00 → 18:00 | asleep in London |
| 3am | 7pm Wed | 03:00 → 19:00 | asleep in London |
| 4am now | 8pm Wed | 04:00 → 20:00 | asleep in London |
| 5am | 9pm Wed | 05:00 → 21:00 | asleep in London |
| 6am | 10pm Wed | 06:00 → 22:00 | asleep in San Francisco |
| 7am | 11pm Wed | 07:00 → 23:00 | asleep in San Francisco |
| 8am | 12am | 08:00 → 00:00 | asleep in San Francisco |
| 9am | 1am | 09:00 → 01:00 | asleep in San Francisco |
| 10am | 2am | 10:00 → 02:00 | asleep in San Francisco |
| 11am | 3am | 11:00 → 03:00 | asleep in San Francisco |
| 12pm | 4am | 12:00 → 04:00 | asleep in San Francisco |
| 1pm | 5am | 13:00 → 05:00 | asleep in San Francisco |
| 2pm | 6am | 14:00 → 06:00 | asleep in San Francisco |
| 3pm | 7am | 15:00 → 07:00 | awake, not at work |
| 4pm | 8am | 16:00 → 08:00 | awake, not at work |
| 5pm | 9am | 17:00 → 09:00 | awake, not at work |
| 6pm | 10am | 18:00 → 10:00 | awake, not at work |
| 7pm | 11am | 19:00 → 11:00 | awake, not at work |
| 8pm | 12pm | 20:00 → 12:00 | awake, not at work |
| 9pm | 1pm | 21:00 → 13:00 | awake, not at work |
| 10pm | 2pm | 22:00 → 14:00 | asleep in London |
| 11pm | 3pm | 23:00 → 15:00 | asleep in London |
Call times
There is no hour when both places are inside normal working hours. The least bad slot is usually early morning at the western end.
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Questions people ask
What time is it in San Francisco when it is 11:00 pm in London?
3:00 pm in San Francisco the same day.
How many hours ahead is San Francisco of London?
San Francisco is 8 hours behind London. That gap is not fixed: it changes when either place starts or ends daylight saving. The table on this page is recalculated for today, so it is already correct for the current season.
What is the best time to call between London and San Francisco?
There is no hour when both places are inside normal working hours. The least bad slot is usually early morning at the western end.
When does the difference between London and San Francisco change?
London: Clocks go back 1 hour on Sunday, 25th October 2026, at 1:59 am local time (1:00 am after the change). San Francisco: Clocks go back 1 hour on Sunday, 1st November 2026, at 1:59 am local time (1:00 am after the change).