Meeting time

Best time to meet: London and San Diego

London is 8 hours ahead of San Diego right now, so their working days do not overlap. The time that asks least of both is 4:30 PM in London, which is 8:30 AM in San Diego — one of you starts early or stays late.

Tue 4:00 PMLondon · Greenwich Mean TimeTue 8:00 AMSan Diego · Pacific Standard Time
Start a free meetingSend a booking link that shows your times in their zone

Hour by hour

With the clocks as they are on November 10, 2026, London time on the left. A working day here is 9 AM to 5 PM.

LondonSan Diego
6 AM10 PM day beforeBoth off
7 AM11 PM day beforeBoth off
8 AM12 AMBoth off
9 AM1 AMLondon at work
10 AM2 AMLondon at work
11 AM3 AMLondon at work
12 PM4 AMLondon at work
1 PM5 AMLondon at work
2 PM6 AMLondon at work
3 PM7 AMLondon at work
4 PM8 AMLondon at work
5 PM9 AMSan Diego at work
6 PM10 AMSan Diego at work
7 PM11 AMSan Diego at work
8 PM12 PMSan Diego at work
9 PM1 PMSan Diego at work
10 PM2 PMSan Diego at work

When the clocks change

The gap moves when either city changes its clocks. The next twelve months:

DatesLondon isBoth at work (London time)Easiest (London / San Diego)
Now to March 14, 20278 hours aheadNone4:30 PM / 8:30 AM
March 14, 2027 to March 28, 2027
clocks in San Diego go forward		7 hours ahead4 PM–5 PM (1 hour)4 PM / 9 AM
March 28, 2027 to October 31, 2027
clocks in London go forward		8 hours aheadNone4:30 PM / 8:30 AM
October 31, 2027 to November 7, 2027
clocks in London go back		7 hours ahead4 PM–5 PM (1 hour)4 PM / 9 AM
November 7, 2027 onward
clocks in San Diego go back		8 hours aheadNone4:30 PM / 8:30 AM

San Diego keeps the same clock as San Francisco.

Questions people ask

What time is it in San Diego when it is 9 AM in London?
1 AM in San Diego, while London is 8 hours ahead.
When is the best time for a call between London and San Diego?
4:30 PM in London, which is 8:30 AM in San Diego. Their working days do not overlap, so this is the fairest time for both.
Does the time difference between London and San Diego change during the year?
Yes — it changes 4 times in the next twelve months, when the clocks go forward or back; the dates are in the table above.

More cities

New York and London3 hours of shared working day · meet at 10 AM New York timeLondon and San FranciscoNo shared working hours · fairest at 4:30 PM London timeLondon and Bangalore2 hours 30 minutes of shared working day · meet at 10 AM London timeLondon and SingaporeNo shared working hours · fairest at 8:30 AM London timeLondon and Los AngelesNo shared working hours · fairest at 4:30 PM London timeLondon and SydneyNo shared working hours · fairest at 7 AM London timeLondon and TokyoNo shared working hours · fairest at 8 AM London timeLondon and Berlin7 hours of shared working day · meet at 10 AM London timeLondon and Chicago2 hours of shared working day · meet at 4 PM London timeLondon and Dubai4 hours of shared working day · meet at 10 AM London timeLondon and Paris7 hours of shared working day · meet at 10 AM London timeLondon and Toronto3 hours of shared working day · meet at 3 PM London time

Every city from London · Every city from San Diego · All cities · Plan across more than two cities

Try Meetful

Meetings that take their own notes

Free video meetings in the browser: every line of the transcript under the name of who said it, and the summary and action items when you hang up. Nothing to install — guests just open the link.

Try Meetful freeSee what it does