JST to UTC Time Converter
Japan Standard Time to Coordinated Universal Time — live converter with a full hour-by-hour table
Right now it is 05:32 in JST (UTC+09:00) and 20:32 in UTC (UTC+00:00). UTC is 9 hours behind JST (−9h).
Time now in JST
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Time now in UTC
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JST to UTC conversion table
| JST | UTC | JST | UTC |
|---|---|---|---|
| 00:00 | 15:00 | 12:00 | 03:00 |
| 01:00 | 16:00 | 13:00 | 04:00 |
| 02:00 | 17:00 | 14:00 | 05:00 |
| 03:00 | 18:00 | 15:00 | 06:00 |
| 04:00 | 19:00 | 16:00 | 07:00 |
| 05:00 | 20:00 | 17:00 | 08:00 |
| 06:00 | 21:00 | 18:00 | 09:00 |
| 07:00 | 22:00 | 19:00 | 10:00 |
| 08:00 | 23:00 | 20:00 | 11:00 |
| 09:00 | 00:00 | 21:00 | 12:00 |
| 10:00 | 01:00 | 22:00 | 13:00 |
| 11:00 | 02:00 | 23:00 | 14:00 |
Best time to call or meet
Standard business hours, expressed in both zones:
- 9:00–17:00 in JST is 00:00 to 08:00 in UTC
- 9:00–17:00 in UTC is 18:00 to 02:00 in JST
FAQ
What is the time difference between JST and UTC?
UTC is 9 hours behind JST. JST is UTC+09:00 and UTC is UTC+00:00.
What is the best time to call from JST to UTC?
9:00 to 17:00 in JST corresponds to 00:00 to 08:00 in UTC. Schedule calls inside the business-hours overlap of both zones.
More about these zones
- Japan Standard TimeUTC+09:00
- Coordinated Universal TimeUTC+00:00
- Convert UTC to JST insteadreverse direction
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