London to San Diego
Converting a fixed time. Europe/London → America/Los_Angeles · 8,822 km (5,479 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 Diego | 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 Diego |
| 7am | 11pm Wed | 07:00 → 23:00 | asleep in San Diego |
| 8am | 12am | 08:00 → 00:00 | asleep in San Diego |
| 9am | 1am | 09:00 → 01:00 | asleep in San Diego |
| 10am | 2am | 10:00 → 02:00 | asleep in San Diego |
| 11am | 3am | 11:00 → 03:00 | asleep in San Diego |
| 12pm | 4am | 12:00 → 04:00 | asleep in San Diego |
| 1pm | 5am | 13:00 → 05:00 | asleep in San Diego |
| 2pm | 6am | 14:00 → 06:00 | asleep in San Diego |
| 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.
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
Questions people ask
What time is it in San Diego when it is 11:00 pm in London?
3:00 pm in San Diego the same day.
How many hours ahead is San Diego of London?
San Diego 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 Diego?
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 Diego 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 Diego: Clocks go back 1 hour on Sunday, 1st November 2026, at 1:59 am local time (1:00 am after the change).