Time Difference Between San Diego and London
London is 8 hours ahead San Diego.
United States
San Diego
America/Los_Angeles · UTC-7
United Kingdom
London
Europe/London · UTC+1
Best Times to Meet
Hours where standard working time (9 AM – 6 PM) overlaps in both San Diego and London.
San Diego
9:00 AM
London
5:00 PM
San Diego to London — 24-Hour Conversion
Each row shows the equivalent local time in London for an hour in San Diego. Working-hours rows (9–18) are highlighted.
| San Diego | London | Match |
|---|---|---|
| Off hours | ||
| Workday in London | ||
| Workday in London | ||
| Workday in London | ||
| Workday in London | ||
| Workday in London | ||
| Workday in London | ||
| Workday in London | ||
| Workday in London | ||
| Best for meetings | ||
| Workday in San Diego | ||
| Workday in San Diego | ||
| Workday in San Diego | ||
| Workday in San Diego | ||
| Workday in San Diego | ||
| Workday in San Diego | ||
| +1 day | Workday in San Diego | |
| +1 day | Workday in San Diego | |
| +1 day | Off hours | |
| +1 day | Off hours | |
| +1 day | Off hours | |
| +1 day | Off hours | |
| +1 day | Off hours | |
| +1 day | Off hours |
Frequently Asked Questions
What is the time difference between San Diego and London?
London, United Kingdom (UTC+1) is 8 hours ahead San Diego, United States (UTC-7).
What is the best time to schedule a meeting between San Diego and London?
The best meeting times overlap when both cities are within standard working hours (9 AM – 6 PM). The full hour-by-hour table on this page lists every overlap window.
Does daylight saving time change the difference between San Diego and London?
Yes — when one city observes daylight saving time and the other does not, the gap shifts by an hour. The conversion table on this page reflects the current offset, including any active DST.
When it is 9 AM in San Diego, what time is it in London?
Use the conversion table on this page — every hour in San Diego is mapped to its equivalent local time in London, including day shift markers when the date differs.