Time difference between Osaka and London

London is 8 hours behind Osaka.

Japan · Japan Standard Time

4:43 PM

Wednesday, October 21, 2026

United Kingdom · British Summer Time

8:43 AM

Wednesday, October 21, 2026

Osaka to London time converter

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

What is the time difference between Osaka and London?

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

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

When it is 9:00 AM in Osaka, it is 1:00 AM in London.

When is the best time to call London from Osaka?

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

Does the time difference between Osaka and London change?

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

Osaka is 8 hours ahead of London. More: time in Osaka · time in London