Convert UTC to JST
Coordinated Universal Time (UTC) to Japan Standard Time (JST)
When it's 12:00 PM UTC, it's 9:00 PM JST
Interactive Converter
Pick any time and date to convert between UTC and JST.
UTC to JST Conversion Table
Full 24-hour comparison. Business hours (9 AM -- 6 PM) are highlighted.
| UTC | JST |
|---|---|
| 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 +1 day |
| 4:00 PM | 1:00 AM +1 day |
| 5:00 PM | 2:00 AM +1 day |
| 6:00 PM | 3:00 AM +1 day |
| 7:00 PM | 4:00 AM +1 day |
| 8:00 PM | 5:00 AM +1 day |
| 9:00 PM | 6:00 AM +1 day |
| 10:00 PM | 7:00 AM +1 day |
| 11:00 PM | 8:00 AM +1 day |
Best Meeting Window
Top meeting times for teams in UTC and JST (9 AM -- 6 PM work hours, 1-hour meeting).
1 of 2 members within working hours. 1 in mid-day range (9 AM–5 PM). Outside work hours for UTC.
1 of 2 members within working hours. 1 in mid-day range (9 AM–5 PM). Outside work hours for UTC.
1 of 2 members within working hours. 1 in mid-day range (9 AM–5 PM). Outside work hours for UTC.
Time Difference & DST
JST is 9 hours ahead of UTC. UTC is at UTC±0 and JST is at UTC+9.
Neither UTC nor JST has an upcoming DST transition within the next 12 months.
The conversion table above reflects the current DST state at build time. Use the interactive converter for live, date-specific conversions.
Major Cities
Coordinated Universal Time (UTC)
- UTC
Japan Standard Time (JST)
- Tokyo
- Osaka
- Yokohama
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