JST to UTC Time Converter
When it's 12:00 PM JST, it's 3:00 AM UTC 9 hours behind
| Time in JST | Time in UTC |
|---|---|
| 12:00 AM | 3:00 PM (-1 day) |
| 1:00 AM | 4:00 PM (-1 day) |
| 2:00 AM | 5:00 PM (-1 day) |
| 3:00 AM | 6:00 PM (-1 day) |
| 4:00 AM | 7:00 PM (-1 day) |
| 5:00 AM | 8:00 PM (-1 day) |
| 6:00 AM | 9:00 PM (-1 day) |
| 7:00 AM | 10:00 PM (-1 day) |
| 8:00 AM | 11:00 PM (-1 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 |
Daylight Saving Time (DST) may affect this conversion. JST does not observe DST. UTC does not observe DST.
Major Cities in UTC (Coordinated Universal Time)
- Reykjavík
- Kópavogur
- Hafnarfjörður
- Reykjanesbær
- Akureyri
What is the time difference between JST and UTC?
UTC is 9 hours behind compared to JST. When it's 12:00 PM (noon) in JST, it's 3:00 AM in UTC.
Does Daylight Saving Time (DST) affect JST to UTC conversion?
JST does not observe DST. UTC does not observe DST. During DST transitions, the time difference may change by one hour.
What major cities use JST (Japan Standard Time)?
Major cities in the JST timezone include Tokyo, Yokohama, Osaka, Nagoya, Sapporo.
What is the best time to call from JST to UTC?
The best time to call from JST to UTC is between 9:00 AM and 5:00 PM JST, which is 12:00 AM to 8:00 AM UTC. This ensures both parties are available during normal business hours (9 AM - 5 PM).