JST to UTC converter
UTC is 9 h behind JST all year.
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JST to UTC table
For 2 July 2026, when UTC is 9 h behind JST. Other dates: see the table on the right.
| JST | UTC |
|---|---|
| 12:00 AM | 3:00 PM prev. day |
| 1:00 AM | 4:00 PM prev. day |
| 2:00 AM | 5:00 PM prev. day |
| 3:00 AM | 6:00 PM prev. day |
| 4:00 AM | 7:00 PM prev. day |
| 5:00 AM | 8:00 PM prev. day |
| 6:00 AM | 9:00 PM prev. day |
| 7:00 AM | 10:00 PM prev. day |
| 8:00 AM | 11:00 PM prev. 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 |
When the difference changes
Computed from the IANA tz database (release 2026c). Governments can change these rules; the live converter uses your browser’s own copy of the database.
| 2026: from (UTC) | until (UTC) | UTC vs JST |
|---|---|---|
| 1 January 2026 | 31 December 2026 | 9 h behind |
| 2027: from (UTC) | until (UTC) | UTC vs JST |
|---|---|---|
| 1 January 2027 | 31 December 2027 | 9 h behind |
JST: Japan Standard Time · JST time now
Japan
UTC: Coordinated Universal Time · UTC time now
the world time standard
Related converters
Questions
What is the time difference between JST and UTC?
UTC is 9 h behind JST all year.
What is 9 am JST in UTC?
9:00 am JST is 12:00 AM UTC, on dates when the usual difference applies. Use the converter above for any specific date.
Which JST does this page use?
Japan Standard Time, the clock time in Japan (IANA zone Asia/Tokyo).
Which UTC does this page use?
Coordinated Universal Time, the clock time in the world time standard (IANA zone Etc/UTC).