Japan Standard Time (JST) is the time zone used throughout Japan. It is 9 hours ahead of Coordinated Universal Time (UTC+9) and does not observe daylight saving time. JST is used in major cities such as Tokyo, Osaka, Kyoto, Yokohama, and Sapporo.
Because Japan uses a single time zone across the entire country, the time remains consistent nationwide throughout the year
Current Time in JST
Quick Facts
Time Difference From JST
Examples of time differences compared to JST:
- London: −9 hours behind
- Dubai: −5 hours behind
- New York: −14 hours behind
- Sydney: +1 hour ahead (or same time during Australian daylight saving)
- Los Angeles: −17 hours behind
Daylight Saving Time
Japan Standard Time does not observe daylight saving time. The time remains the same throughout the entire year.
Frequently Asked Questions
What does JST stand for?
JST stands for Japan Standard Time.
Which country uses JST?
Japan uses JST as its official time zone nationwide.
Does Japan observe daylight saving time?
No, Japan does not change clocks during the year.
Why is Japan UTC+9?
Japan’s time zone is based on the 135° east longitude, which runs near the city of Akashi.
Where JST Is Used
Japan Standard Time is used throughout Japan, including major cities such as:
Additional Note
Japan Standard Time has remained consistent since it was officially adopted in 1888. Because the country does not observe daylight saving time, JST provides a stable time reference for international business and travel.



