Working across London and Tokyo
Because the two cities can change their clocks on different dates, the gap between them isn't fixed, so a call that lands in business hours today can drift by an hour after a daylight-saving switch. The live difference above is always current; use the meeting planner to find a slot that works for both, or the event link to share one unambiguous time.
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Frequently asked questions
How many hours difference between London and Tokyo?
It's around 8 hours, but the exact gap shifts with daylight saving through the year. The live widget above always shows the current difference and flags the next change.
How do I convert London time to Tokyo (and back)?
Enter a time in the converter and read it off in the other city, it stays correct across daylight-saving changes because it's computed from a real instant, not a fixed offset. It works both ways, London→Tokyo and Tokyo→London.
Do London and Tokyo change their clocks on the same date?
Not necessarily: many places start and end daylight saving on different dates, or don't observe it at all, which is why the gap between two cities isn't constant. This page's tools flag the next change.