San Diego is currently 8 hours behind London.

Best times to meet

Standard 9 AM – 5 PM hours in London and San Diego do not overlap. The least-bad options are an early start in one city or a late evening call in the other — for example a 7–8 AM meeting in London, or a 6–8 PM meeting in San Diego.

Quick conversion table

Daylight saving

Heads up: the gap will narrow to 7 hours around October 29, when one of the cities shifts for daylight saving. Double-check meeting times scheduled across that date.

Frequently asked questions

How many hours ahead is San Diego than London?

San Diego is 8 hours behind London.

What time is 9 AM in London in San Diego?

9:00 AM in London is 1:00 AM in San Diego.

Do London and San Diego observe daylight saving?

Heads up: the gap will narrow to 7 hours around October 29, when one of the cities shifts for daylight saving. Double-check meeting times scheduled across that date.

When is the best time to call San Diego from London?

London and San Diego business hours don't overlap. The closest options are early mornings in London or late evenings, when one side stretches outside 9–5.

Other conversions

• London to New York
• London to Los Angeles
• London to San Francisco
• London to Chicago
• London to Denver
• London to Toronto
• London to Tokyo
• Los Angeles to New York
• New York to Tokyo
• New York to Sydney