UTC to JST Converter
JST is 9 hours ahead of UTC.
UTC
Thursday, November 5, 2026
Coordinated Universal Time · UTC+0
JST
Thursday, November 5, 2026
Japan Standard Time · UTC+9
Convert UTC to JST
UTC 08:24 = JST 17:24
UTC to JST time chart, hour by hour
| UTC | JST |
|---|
| 00:00 | 09:00 |
| 01:00 | 10:00 |
| 02:00 | 11:00 |
| 03:00 | 12:00 |
| 04:00 | 13:00 |
| 05:00 | 14:00 |
| 06:00 | 15:00 |
| 07:00 | 16:00 |
| 08:00 | 17:00 |
| 09:00 | 18:00 |
| 10:00 | 19:00 |
| 11:00 | 20:00 |
| 12:00 | 21:00 |
| 13:00 | 22:00 |
| 14:00 | 23:00 |
| 15:00 | 00:00 +1 day |
| 16:00 | 01:00 +1 day |
| 17:00 | 02:00 +1 day |
| 18:00 | 03:00 +1 day |
| 19:00 | 04:00 +1 day |
| 20:00 | 05:00 +1 day |
| 21:00 | 06:00 +1 day |
| 22:00 | 07:00 +1 day |
| 23:00 | 08:00 +1 day |
There is no overlap between 09:00–18:00 working days in these two places.
How many hours is UTC behind JST?
As abbreviations, JST is always 9 hours ahead of UTC: UTC is UTC+0 and JST is UTC+9. To convert, add 9 hours.
Does the UTC to JST time difference change?
No. Jst is 9 hours ahead of utc all year, because neither place changes its clocks.
Calling hours for UTC and JST
- When JST is 9 hours ahead of UTC: no shared 09:00 to 17:00 hours; try 08:00 in UTC (17:00 in JST).
Frequently asked questions about UTC and JST time
How many hours ahead is JST of UTC?
JST (UTC+9) is 9 hours ahead of UTC (UTC+0).
Does the time difference between UTC and JST change during the year?
No, it stays 9 hours ahead all year because neither place changes its clocks.