What is the UTC offset of JST?

Japan Standard Time is UTC+9 and does not change for daylight saving.

Does JST observe daylight saving time?

No — Japan Standard Time stays at UTC+9 year-round.

Time-zone abbreviation

JST stands for Japan Standard Time, nine hours ahead of UTC (UTC+9). Japan does not observe daylight saving time, so JST applies year-round.

Last updated June 2026 · Maintained by Clockjumper

Current time in Japan Standard Time

12:32 PM

Friday, Jul 3

Asia/Tokyo

Standard offset: UTC+9 (JST)
Daylight saving: Not observed — offset stays the same year-round
Next clock change: None scheduled in the next 12 months for Japan Standard Time
Where it's used: Used year-round across all of Japan.

Need to convert a specific time? Use the Clockjumper converter, or jump to one of these popular JST conversions:

What does JST stand for?: JST stands for Japan Standard Time.
What is the UTC offset of JST?: Japan Standard Time is UTC+9 and does not change for daylight saving.
Does JST observe daylight saving time?: No — Japan Standard Time stays at UTC+9 year-round.