The time difference between Southern California and London is 8 hours. When it is 12:00 noon in Southern California, it is 20:00 in London. Southern California uses the America/Los_Angeles time zone (UTC-8), while London uses Europe/London (UTC+0).
| Detail | Southern California | London |
|---|---|---|
| Time Zone ID | America/Los_Angeles | Europe/London |
| UTC Offset | UTC-8 | UTC+0 |
| Abbreviation | PST | GMT |
| DST Active | No | No |
| Country | United States | United Kingdom |
| Region | California | Europe |
With a 8 hours gap, there is no standard business-hours overlap between Southern California and London. One party will need to adjust their schedule. Early mornings in London or late evenings in Southern California tend to be the most practical compromise.
Use this table to quickly convert any hour from Southern California time to London time. Rows highlighted in green indicate overlapping business hours in both cities.
| Southern California | London | |
|---|---|---|
| 00:00 | 08:00 | Night |
| 01:00 | 09:00 | Night |
| 02:00 | 10:00 | Night |
| 03:00 | 11:00 | Night |
| 04:00 | 12:00 | Night |
| 05:00 | 13:00 | Night |
| 06:00 | 14:00 | |
| 07:00 | 15:00 | |
| 08:00 | 16:00 | |
| 09:00 | 17:00 | |
| 10:00 | 18:00 | |
| 11:00 | 19:00 | |
| 12:00 | 20:00 | |
| 13:00 | 21:00 | |
| 14:00 | 22:00 | |
| 15:00 | 23:00 | |
| 16:00 | 00:00 (+1 day) | |
| 17:00 | 01:00 (+1 day) | |
| 18:00 | 02:00 (+1 day) | |
| 19:00 | 03:00 (+1 day) | |
| 20:00 | 04:00 (+1 day) | |
| 21:00 | 05:00 (+1 day) | |
| 22:00 | 06:00 (+1 day) | Night |
| 23:00 | 07:00 (+1 day) | Night |
Neither Southern California nor London is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.
The time difference is 8 hours. London is 8 hours ahead of Southern California.
It can. If either Southern California or London observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).
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.
Add 8 hours to Southern California time to get London time. Use the hour-by-hour table above for a quick reference.