JST to GMT Time Converter
GMT is 9 hours behind JST right now. 9:00 AM in JST is 12:00 AM in GMT.
Time now: JST and GMT
GMT is 9 hours behind JST right now. The gap stays the same all year, because neither changes its clocks.
JST to GMT conversion table
Every hour of the day, using today's time difference.
| JST | GMT |
|---|---|
| 12:00 AM | 3:00 PMprevious day |
| 1:00 AM | 4:00 PMprevious day |
| 2:00 AM | 5:00 PMprevious day |
| 3:00 AM | 6:00 PMprevious day |
| 4:00 AM | 7:00 PMprevious day |
| 5:00 AM | 8:00 PMprevious day |
| 6:00 AM | 9:00 PMprevious day |
| 7:00 AM | 10:00 PMprevious day |
| 8:00 AM | 11:00 PMprevious 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 |
Best time to meet between JST and GMT
There is no overlap between 9 AM and 6 PM in both places.
If both sides can be flexible (7 AM – 10 PM):
- 4:00 PM – 10:00 PM JST = 7:00 AM – 1:00 PM GMT
Does the time difference between JST and GMT change?
No. Neither place changes its clocks, so GMT is 9 hours behind JST all year.
Office hours in each other's time
- 9 AM to 6 PM in JST is 12:00 AM to 9:00 AM in GMT.
- 9 AM to 6 PM in GMT is 6:00 PM to 3:00 AM (next day) in JST.
Based on today's clock settings.
Frequently asked questions
What is the time difference between JST and GMT?
GMT is 9 hours behind JST right now. The gap stays the same all year, because neither changes its clocks.
How do I convert JST to GMT?
Subtract 9 hours from the JST time to get the GMT time (at today's difference). 9:00 AM in JST is 12:00 AM in GMT. Or use the converter above and pick any date and time.
What is the current time in GMT?
It is 11:58 PM in GMT on Monday, November 9 (the converter above shows it live). At the same moment it is 8:58 AM in JST.
Does the time difference between JST and GMT change during the year?
No. Neither place changes its clocks, so GMT is 9 hours behind JST all year.
What is the best time for a meeting between JST and GMT?
The two places have no shared working hours (9 AM – 6 PM). The nearest option is 4:00 PM – 10:00 PM JST = 7:00 AM – 1:00 PM GMT.
What does GMT mean?
GMT is fixed at UTC+00:00 all year. The United Kingdom itself switches to BST in summer.