GMT to JST Time Converter
When it's 12:00 PM GMT, it's 9:00 PM JST 9 hours ahead
| Time in GMT | Time in 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) |
Daylight Saving Time (DST) may affect this conversion. GMT observes DST. JST does not observe DST.
Major Cities in GMT (Greenwich Mean Time)
- London
- Birmingham
- Glasgow
- Manchester
- Sheffield
What is the time difference between GMT and JST?
JST is 9 hours ahead compared to GMT. When it's 12:00 PM (noon) in GMT, it's 9:00 PM in JST.
Does Daylight Saving Time (DST) affect GMT to JST conversion?
GMT observes DST. JST does not observe DST. During DST transitions, the time difference may change by one hour.
What major cities use GMT (Greenwich Mean Time)?
Major cities in the GMT timezone include London, Birmingham, Glasgow, Manchester, Sheffield.
What is the best time to call from GMT to JST?
The best time to call from GMT to JST is between 9:00 AM and 5:00 PM GMT, which is 6:00 PM to 2:00 AM JST. This ensures both parties are available during normal business hours (9 AM - 5 PM).