What time zone is Tokyo in?
Tokyo uses the IANA time zone Asia/Tokyo. Its current offset is UTC+9.
World / Japan / Tokyo
Current time in
Tokyo
16:5140
Sunday, 18 October 2026GMT+9 · UTC+9
Useful context
Understanding Tokyo time
When is a good time to call?
Aim for 09:00–17:00 in Tokyo. Open a converter above to see how that working window lands in another city.
Does Tokyo change its clocks?
Tokyo keeps the same UTC+9 offset in January and July, so its clock is generally stable through the year.
Tokyo uses Japan Standard Time
Tokyo uses Asia/Tokyo, commonly called Japan Standard Time. Japan keeps this UTC+9 civil clock throughout the year, but the local date can differ from Europe or the Americas.
Why the local date can differ →