Time difference between London and Osaka

Osaka is 8 hours ahead of London.

United Kingdom · British Summer Time

8:43 AM

Wednesday, October 21, 2026

Japan · Japan Standard Time

4:43 PM

Wednesday, October 21, 2026

London to Osaka time converter

Green rows are office hours in both places; light green rows are when both are awake.

What is the time difference between London and Osaka?

Osaka is 8 hours ahead of London. London is on UTC+1 and Osaka is on UTC+9.

What time is it in Osaka when it is 9 AM in London?

When it is 9:00 AM in London, it is 5:00 PM in Osaka.

When is the best time to call Osaka from London?

The best time to call or meet is 9:00 AM–10:00 AM in London (5:00 PM–6:00 PM in Osaka), when both places are in normal office hours.

Does the time difference between London and Osaka change?

Yes. Because of daylight saving time, the difference changes on Sunday, October 25, 2026, when Osaka will be 9 hours ahead of London.

London is 8 hours behind Osaka. More: time in London · time in Osaka