San Francisco to London
Converting a fixed time. America/Los_Angeles → Europe/London · 8,616 km (5,351 miles) apart
Clocks go back 1 hour on Sunday, 1st November 2026, at 1:59 am local time (1:00 am after the change).
Clocks go back 1 hour on Sunday, 25th October 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
| San Francisco | London | 24h | Good to call? |
|---|---|---|---|
| 12am | 8am | 00:00 → 08:00 | asleep in San Francisco |
| 1am | 9am | 01:00 → 09:00 | asleep in San Francisco |
| 2am | 10am | 02:00 → 10:00 | asleep in San Francisco |
| 3am | 11am | 03:00 → 11:00 | asleep in San Francisco |
| 4am | 12pm | 04:00 → 12:00 | asleep in San Francisco |
| 5am | 1pm | 05:00 → 13:00 | asleep in San Francisco |
| 6am | 2pm | 06:00 → 14:00 | asleep in San Francisco |
| 7am | 3pm | 07:00 → 15:00 | awake, not at work |
| 8am | 4pm | 08:00 → 16:00 | awake, not at work |
| 9am | 5pm | 09:00 → 17:00 | awake, not at work |
| 10am | 6pm | 10:00 → 18:00 | awake, not at work |
| 11am | 7pm | 11:00 → 19:00 | awake, not at work |
| 12pm | 8pm | 12:00 → 20:00 | awake, not at work |
| 1pm | 9pm | 13:00 → 21:00 | awake, not at work |
| 2pm | 10pm | 14:00 → 22:00 | asleep in London |
| 3pm | 11pm | 15:00 → 23:00 | asleep in London |
| 4pm | 12am Thu | 16:00 → 00:00 | asleep in London |
| 5pm | 1am Thu | 17:00 → 01:00 | asleep in London |
| 6pm | 2am Thu | 18:00 → 02:00 | asleep in London |
| 7pm | 3am Thu | 19:00 → 03:00 | asleep in London |
| 8pm | 4am Thu | 20:00 → 04:00 | asleep in London |
| 9pm | 5am Thu | 21:00 → 05:00 | asleep in London |
| 10pm | 6am Thu | 22:00 → 06:00 | asleep in London |
| 11pm now | 7am Thu | 23:00 → 07:00 | asleep in San Francisco |
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 London when it is 12:00 pm in San Francisco?
8:00 pm in London the same day.
How many hours ahead is London of San Francisco?
London is 8 hours ahead San Francisco. 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 San Francisco and London?
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 San Francisco and London 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). London: Clocks go back 1 hour on Sunday, 25th October 2026, at 1:59 am local time (1:00 am after the change).