Tokyo is usually 8 hours ahead of London. London observes daylight saving time and Tokyo does not, so the difference shifts by an hour around the changeovers.

TokyoLondon

Sunrise 4:42 AMSunset 6:55 PM(local)

Sunrise 5:10 AMSunset 9:05 PM(local)

London: daylight saving timeNow UTC+1. Next change: October 25, 2026 β€” clocks go back 1 hour.
TokyoUTC+9
LondonUTC+1

πŸ‡―πŸ‡΅ Tokyo

Dialing code+81
Population9,733,276
Coordinates35.69Β°N, 139.69Β°E
Elevation44 m

πŸ‡¬πŸ‡§ London

Dialing code+44
Population8,961,989
Coordinates51.51Β°N, 0.13Β°W
Elevation25 m

Best time for a call: 17:00–18:00 in TokyoAdd to calendar

Working hours assumed 9:00–18:00.

Frequently asked questions

What is the time difference between Tokyo and London?
Tokyo is 8 hours ahead of London. Use the side-by-side clocks and the day/night strips above to convert any hour between them.
When is the best time to call between Tokyo and London?
The best window to call is 17:00–18:00 Tokyo time, when working hours overlap in both cities. Pick an hour on the strips to add it to your calendar.
Why does the time difference between Tokyo and London change?
Because at least one of Tokyo and London observes daylight saving time, the difference shifts by an hour when one city changes its clocks and the other has not yet (or does not).