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Basetime

Time difference between Tokyo and London

London is currently 8 hours behind Tokyo. The best shared working window is 08:00–09:00 UTC, 1 hours of it. The table below shows the hours side by side.

Tokyo
works with →
London
Tokyoyour day
09:00–18:00 local
Londontheir day
09:00–17:00 local
Sharedboth at work
1h
08:00–09:00 UTC
17:00–18:00 in Tokyo 09:00–10:00 in London
000306091215182124
17:08–17:53 Tokyo 09:08–09:53 London
Working hours

National conventions are the default and the public figure. Change them here for your own answer — the chart, the window and the calendar file all follow.

Tokyo 09:00 – 18:00 9 h
London 09:00 – 17:00 8 h
1hoverlap
hard, One thin hour. Fine for a weekly sync, painful for anything live. Best window 08:00–09:00 UTC.
The two days, hour by hour One column an hour, both cities on the same instant. Where the two teal runs line up is when you can both be at work.
Tokyo
London

09:00 Tokyo At work = 01:00 London Asleep

Asleep Awake At work Both at work 1 h · 17:00–18:00 Tokyo · 09:00–10:00 London

Tap any hour to read it in both cities.

Hour by hour
TokyoLondon
00:00 16:00
01:00 17:00
02:00 18:00
03:00 19:00
04:00 20:00
05:00 21:00
06:00 22:00
07:00 23:00
08:00 00:00
09:00 01:00
10:00 02:00
11:00 03:00
12:00 04:00
13:00 05:00
14:00 06:00
15:00 07:00
16:00 08:00
17:00 09:00 both at work
18:00 10:00
19:00 11:00
20:00 12:00
21:00 13:00
22:00 14:00
23:00 15:00

The difference adjusts automatically for daylight saving in both Tokyo and London.

The working week

Tokyo
09:00 to 18:00, Monday, Tuesday, Wednesday, Thursday, Friday.
Nine to six is the conventional office day, and overtime is common on top of it.
London
09:00 to 17:00, Monday, Tuesday, Wednesday, Thursday, Friday.

Sources and last check

Times, offsets and sun positions on this page are computed live from the IANA timezone database and the NOAA solar algorithm, so they do not depend on the review dates below.

Working hours and weekend days for 55 countries
Source: Published national labour conventions and government working-hours guidance. Last checked, reviewed every 12 months.
Not covered:A national convention, not any given employer. Countries not listed fall back to a nine-to-five, Monday to Friday default, and pages say so rather than implying we checked.

FAQ

How many hours between Tokyo and London?

London is 8 hours behind Tokyo (-8 hours).

When is the best time for a meeting?

Around 08:00–09:00 UTC, when both working days overlap — Tokyo works 09:00–18:00 and London works 09:00–17:00, each in their own local time.