The time difference between London and San Diego is 8 hours. When it is 12:00 noon in London, it is 04:00 in San Diego. London uses the Europe/London time zone (UTC+1), while San Diego uses America/Los_Angeles (UTC-7).
With a 8 hours gap, there is no standard business-hours overlap between London and San Diego. One party will need to adjust their schedule. Early mornings in London or late evenings in San Diego tend to be the most practical compromise.
Use this table to quickly convert any hour from London time to San Diego time. Rows highlighted in green indicate overlapping business hours in both cities.
| London | San Diego | |
|---|---|---|
| 00:00 | 16:00 (-1 day) | Night |
| 01:00 | 17:00 (-1 day) | Night |
| 02:00 | 18:00 (-1 day) | Night |
| 03:00 | 19:00 (-1 day) | Night |
| 04:00 | 20:00 (-1 day) | Night |
| 05:00 | 21:00 (-1 day) | Night |
| 06:00 | 22:00 (-1 day) | |
| 07:00 | 23:00 (-1 day) | |
| 08:00 | 00:00 | |
| 09:00 | 01:00 | |
| 10:00 | 02:00 | |
| 11:00 | 03:00 | |
| 12:00 | 04:00 | |
| 13:00 | 05:00 | |
| 14:00 | 06:00 | |
| 15:00 | 07:00 | |
| 16:00 | 08:00 | |
| 17:00 | 09:00 | |
| 18:00 | 10:00 | |
| 19:00 | 11:00 | |
| 20:00 | 12:00 | |
| 21:00 | 13:00 | |
| 22:00 | 14:00 | Night |
| 23:00 | 15:00 | Night |
Both London and San Diego are currently observing daylight saving time. The current 8 hours difference reflects both cities' DST offsets. When one city switches back to standard time before the other, the gap will temporarily change by 1 hour.
The time difference is 8 hours. San Diego is 8 hours behind London.
Yes. Both cities observe daylight saving time, but they may switch on different dates, causing the gap to shift by 1 hour temporarily.
There is no ideal window during standard business hours. Consider scheduling at the edges — early morning for the city that is ahead and late afternoon for the city that is behind.
Subtract 8 hours from London time to get San Diego time. Use the hour-by-hour table above for a quick reference.
For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.