JST to UTC Time Converter
Convert Japan Standard Time to Coordinated Universal Time instantly.
Scroll the timeline to check any hour of the day.
Japan Standard Time
JST
5:25
Coordinated Universal Time
UTC
8:25
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How the JST to UTC time difference works
UTC is 9 hours behind JST. Japan Standard Time (JST) is the time zone of Japan. Coordinated Universal Time (UTC) is the global time standard the world sets its clocks by. For example, 9:00 AM JST is 12:00 AM UTC. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
9 hours
Daylight saving
Neither
JST offset
UTC+9
UTC offset
UTC+0
JST to UTC conversion chart
| Japan Standard Time (JST) | Coordinated Universal Time (UTC) |
|---|---|
| 12:00 AM | 3:00 PM -1 day |
| 1:00 AM | 4:00 PM -1 day |
| 2:00 AM | 5:00 PM -1 day |
| 3:00 AM | 6:00 PM -1 day |
| 4:00 AM | 7:00 PM -1 day |
| 5:00 AM | 8:00 PM -1 day |
| 6:00 AM | 9:00 PM -1 day |
| 7:00 AM | 10:00 PM -1 day |
| 8:00 AM | 11:00 PM -1 day |
| 9:00 AM | 12:00 AM |
| 10:00 AM | 1:00 AM |
| 11:00 AM | 2:00 AM |
| 12:00 PM | 3:00 AM |
| 1:00 PM | 4:00 AM |
| 2:00 PM | 5:00 AM |
| 3:00 PM | 6:00 AM |
| 4:00 PM | 7:00 AM |
| 5:00 PM | 8:00 AM |
| 6:00 PM | 9:00 AM |
| 7:00 PM | 10:00 AM |
| 8:00 PM | 11:00 AM |
| 9:00 PM | 12:00 PM |
| 10:00 PM | 1:00 PM |
| 11:00 PM | 2:00 PM |
Cities in each time zone
Japan Standard Time (JST)
TokyoOsakaYokohamaNagoyaSapporo
Coordinated Universal Time (UTC)
ReykjavikAccraDakarAbidjanBamako
JST to UTC questions
Is UTC ahead of or behind JST?
UTC is 9 hours behind JST. So 9:00 AM JST is 12:00 AM UTC, and 5:00 PM JST is 8:00 AM UTC.
What time is it in UTC when it is 12:00 PM JST?
When it is 12:00 PM (noon) JST in Japan Standard Time, it is 3:00 AM UTC in Coordinated Universal Time.
How many hours difference is there between JST and UTC?
There is a 9 hours difference. Coordinated Universal Time (UTC) runs 9 hours behind Japan Standard Time (JST).
Do JST and UTC observe daylight saving time?
Neither Japan Standard Time nor Coordinated Universal Time observes daylight saving time, so the 9 hours difference between them is the same all year.
What is the best time to schedule a meeting between JST and UTC?
A standard 9-to-5 workday in Japan Standard Time and Coordinated Universal Time does not overlap, so pick the early morning in the later zone or the late evening in the earlier zone.
Which cities use JST and UTC?
Japan Standard Time (JST) covers cities such as Tokyo, Osaka, Yokohama, Nagoya, Sapporo. Coordinated Universal Time (UTC) covers cities such as Reykjavik, Accra, Dakar, Abidjan, Bamako.