JST — Japan Standard Time
UTC+9
Current JST Time
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Asia/Tokyo
Japan Standard Time (JST) is 9 hours ahead of Coordinated Universal Time (UTC+9). Japan does not observe daylight saving time, making JST constant throughout the year.
JST Key Facts
- Full name: Japan Standard Time
- Abbreviation: JST
- UTC offset: UTC+9
- DST: Not observed
- IANA identifier: Asia/Tokyo
- Countries: Japan
- Major cities: Tokyo, Osaka, Yokohama
Understanding JST
Japan Standard Time (JST) uses a UTC offset of UTC+9, placing it 9 hours ahead of UTC. This time zone does not observe Daylight Saving Time, providing a consistent offset throughout the year.
JST is observed across 1 country, including Japan. Major metropolitan areas in this time zone include Tokyo, Osaka, Yokohama, making it one of the most commercially active time zones in the world.
Frequently Asked Questions
What is JST time?
JST stands for Japan Standard Time. It is UTC+9, meaning it is 9 hours ahead of Coordinated Universal Time (UTC).
What countries use JST?
JST (Japan Standard Time) is used in Japan. Major cities in this timezone include Tokyo, Osaka, Yokohama.
Does JST observe Daylight Saving Time?
No, JST does not observe Daylight Saving Time. The UTC offset remains UTC+9 year-round.
What is the UTC offset for JST?
JST has a UTC offset of UTC+9. The IANA time zone identifier is Asia/Tokyo.
What is JST in military time?
In the military time zone system, JST (UTC+9) is designated with a specific letter code. Military time zones use letters A through Z (excluding J) to represent offsets from UTC.