Convert JST Timezone
Convert Japan Standard Time (JST) to and from any other time zone.
Convert JST to any other time zone and back. JST is Japan Standard Time, which runs at UTC+09:00.
The clock below starts on JST using Tokyo, Japan, so you can read straight across to the cities you care about. Add or remove rows to build the comparison you need, and set a date and time to check a moment in the past or future.
- General Working Hours
- General Non-Working Hours
- Sleeping Hours & Public Holidays
- * Indicates Daylight Saving Time is in effect.
For more converters, browse our full list of time zone converters.
JST covers 2 IANA time zones, including Asia/Tokyo, Japan. Daylight saving is applied automatically for whichever zone a city actually uses, so the result stays correct across the changeover.
The standard time in Japan, observed year-round. Japan does not observe daylight saving time. It is also used by South Korea (as Korea Standard Time, KST) and parts of Indonesia (as WIT).
See the JST time zone overview for the full picture, or the full time zone converter to compare any cities you like.