The time difference between San Diego and London is 7 hours. When it is 12:00 noon in San Diego, it is 19:00 in London. San Diego uses the America/Los_Angeles time zone (UTC-7), while London uses Europe/London (UTC+0).
There are 1 overlapping business hours between San Diego and London (assuming 9:00–17:00 in each city). The ideal window for calls and meetings is:
Use this table to quickly convert any hour from San Diego time to London time. Rows highlighted in green indicate overlapping business hours in both cities.
| San Diego | London | |
|---|---|---|
| 00:00 | 07:00 | Night |
| 01:00 | 08:00 | Night |
| 02:00 | 09:00 | Night |
| 03:00 | 10:00 | Night |
| 04:00 | 11:00 | Night |
| 05:00 | 12:00 | Night |
| 06:00 | 13:00 | |
| 07:00 | 14:00 | |
| 08:00 | 15:00 | |
| 09:00 | 16:00 | Overlap |
| 10:00 | 17:00 | |
| 11:00 | 18:00 | |
| 12:00 | 19:00 | |
| 13:00 | 20:00 | |
| 14:00 | 21:00 | |
| 15:00 | 22:00 | |
| 16:00 | 23:00 | |
| 17:00 | 00:00 (+1 day) | |
| 18:00 | 01:00 (+1 day) | |
| 19:00 | 02:00 (+1 day) | |
| 20:00 | 03:00 (+1 day) | |
| 21:00 | 04:00 (+1 day) | |
| 22:00 | 05:00 (+1 day) | Night |
| 23:00 | 06:00 (+1 day) | Night |
San Diego is currently observing daylight saving time, while London is on standard time. When San Diego switches back to standard time, the difference between these two cities will shift by 1 hour.
The time difference is 7 hours. London is 7 hours ahead of San Diego.
Yes. One of these cities observes DST while the other does not, so the difference shifts by 1 hour when DST begins or ends.
The best window is between 09:00 and 10:00 San Diego time, which corresponds to 16:00–17:00 in London. Both sides fall within normal business hours.
Add 7 hours to San Diego time to get London 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.