JST to GMT Time Converter
When it's 12:00 PM JST, it's 3:00 AM GMT 9 hours behind
| Time in JST | Time in GMT |
|---|---|
| 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. GMT observes DST.
Major Cities in GMT (Greenwich Mean Time)
- London
- Birmingham
- Glasgow
- Manchester
- Sheffield
What is the time difference between JST and GMT?
GMT is 9 hours behind compared to JST. When it's 12:00 PM (noon) in JST, it's 3:00 AM in GMT.
Does Daylight Saving Time (DST) affect JST to GMT conversion?
JST does not observe DST. GMT observes 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 GMT?
The best time to call from JST to GMT is between 9:00 AM and 5:00 PM JST, which is 12:00 AM to 8:00 AM GMT. This ensures both parties are available during normal business hours (9 AM - 5 PM).