Tokyo to London Time Converter
London, UK is currently 9 hours behind Tokyo, Japan. Tokyo is on JST (UTC+9) and London is on GMT (UTC+0). The table below converts every hour of the day between the two, and the call planner shows where working hours line up.
Right now it is 5:50 AM in Tokyo, Japan and 8:50 PM in London, UK.
Best Time for a Call
There is no overlap between 9:00 AM and 5:00 PM office hours in these two zones. Stretching to early mornings and evenings, the workable window runs from 4:00 PM to 9:00 PM in Tokyo, which is 7:00 AM to 12:00 PM in London. One side ends up outside normal hours, so alternating who takes the awkward slot is a fair way to handle recurring calls.
Comparing more than two places? The Overlap Zones tool shows working hours for several cities on one grid.
Hour by Hour: Tokyo to London
Rows marked office hours fall between 9:00 AM and 5:00 PM in both places. For a specific date, use the interactive converter.
Does the Difference Change During the Year?
The difference between Tokyo and London is not fixed. It is 9 hours in January and 8 hours in July, because the two places handle daylight saving differently. This page always reflects the current offsets.
Frequently Asked Questions
How many hours behind is London compared to Tokyo?
London is currently 9 hours behind Tokyo. The difference between Tokyo and London is not fixed. It is 9 hours in January and 8 hours in July, because the two places handle daylight saving differently. This page always reflects the current offsets.
What time is 9:00 AM in Tokyo in London?
9:00 AM in Tokyo is 12:00 AM in London.
What is the best time for a call between Tokyo and London?
There is no overlap between 9:00 AM and 5:00 PM office hours in these two zones. Stretching to early mornings and evenings, the workable window runs from 4:00 PM to 9:00 PM in Tokyo, which is 7:00 AM to 12:00 PM in London. One side ends up outside normal hours, so alternating who takes the awkward slot is a fair way to handle recurring calls.