UTC to JST Converter – Coordinated Universal Time to Japan Standard Time
JST is 9 hours ahead of UTC. UTC (Coordinated Universal Time) is UTC+0 all year, while JST (Japan Standard Time) is UTC+9 all year. The live clocks below show the current time in both zones, updated every second.
UTC to JST Conversion Table (Hour by Hour)
Standard-time conversion from Coordinated Universal Time to Japan Standard Time.
| UTC (UTC+0) | JST (UTC+9) |
|---|---|
| 12:00 AM | 9:00 AM |
| 1:00 AM | 10:00 AM |
| 2:00 AM | 11:00 AM |
| 3:00 AM | 12:00 PM |
| 4:00 AM | 1:00 PM |
| 5:00 AM | 2:00 PM |
| 6:00 AM | 3:00 PM |
| 7:00 AM | 4:00 PM |
| 8:00 AM | 5:00 PM |
| 9:00 AM | 6:00 PM |
| 10:00 AM | 7:00 PM |
| 11:00 AM | 8:00 PM |
| 12:00 PM | 9:00 PM |
| 1:00 PM | 10:00 PM |
| 2:00 PM | 11:00 PM |
| 3:00 PM | 12:00 AM (next day) |
| 4:00 PM | 1:00 AM (next day) |
| 5:00 PM | 2:00 AM (next day) |
| 6:00 PM | 3:00 AM (next day) |
| 7:00 PM | 4:00 AM (next day) |
| 8:00 PM | 5:00 AM (next day) |
| 9:00 PM | 6:00 AM (next day) |
| 10:00 PM | 7:00 AM (next day) |
| 11:00 PM | 8:00 AM (next day) |
Frequently Asked Questions
What is the time difference between UTC and JST?
JST is 9 hours ahead of UTC. UTC (Coordinated Universal Time) is UTC+0 and JST (Japan Standard Time) is UTC+9.
How do I convert UTC to JST?
Take your time in UTC and add 9 hours. For example, 9:00 AM UTC is 6:00 PM in JST. The live clocks at the top of this page always show the current conversion.
Does daylight saving time affect UTC to JST conversion?
No. Neither UTC nor JST observes daylight saving time, so the difference between them is the same all year round.
What is the best time for a meeting between UTC and JST?
Look for overlap between 9:00 AM-6:00 PM working hours in both zones using the conversion table above. JST is 9 hours ahead of UTC, so overlap is limited - early morning in one zone and evening in the other usually works best.