🇯🇵 Does Japan Change Its Clocks?
No clock change
Japan does not change its clocks. There is no daylight saving time.
Where the clocks change
Japan briefly used daylight saving time after World War II but dropped it in 1951.
The rule
Japan stays on Japan Standard Time (UTC+9) all year.
Common questions
Does Japan have daylight saving time?
No. Japan stays on Japan Standard Time (UTC+9) all year, so clocks never change.
Does the time difference with the US change?
Yes, even though Japan does not change clocks. When the US springs forward in March, the gap to Japan shrinks by one hour; when the US falls back in November, it grows by one hour.
Sources
Reference data reviewed September 25, 2026. Times computed from the IANA Time Zone Database, release 2026c.