JST: Japan Standard Time
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JST: Japan Standard Time
JST stands for Japan Standard Time, used in Japan. It runs UTC+9 all year, with no daylight saving change.
Current JST time
Local times come from your browser's IANA time zone data.
JST time compared with UTC
JST runs UTC+9 all year, with no daylight saving change. When it is 12:00 UTC the clock in JST reads 21:00.
| UTC | JST |
|---|---|
| 00:00 | 09:00 |
| 03:00 | 12:00 |
| 06:00 | 15:00 |
| 09:00 | 18:00 |
| 12:00 | 21:00 |
| 15:00 | 00:00 next day |
| 18:00 | 03:00 next day |
| 21:00 | 06:00 next day |
When the clocks change in the JST zone
Clocks in the JST zone never change. It does not observe daylight saving time, so the offset shown above is the offset all year, every year. There is no spring-forward or fall-back date to remember and no hour to lose.
Cities that keep JST
These places run on JST: Japan Standard Time, the IANA zone behind JST. Each links to its own live clock.
Tokyo, Yokohama, Osaka, Nagoya, Sapporo, Fukuoka, Kawasaki, Kobe, Kyoto, Saitama, Hiroshima, Sendai.
Convert JST to another zone
JST to PSTJST to MSTJST to CSTJST to ESTJST to HSTJST to GMTJST to UTCJST to BST
Common questions about JST
What does JST stand for?
JST is Japan Standard Time, the civil time used in Japan. On this site it resolves to the IANA time zone JST: Japan Standard Time, which is what your operating system and browser use to work out the actual offset on any given date.
What is JST in UTC?
JST is UTC+9, and it does not change. The table above converts every UTC hour.