JST to GMT time converter
GMT is 9 hours behind JST.
JST
UTC+9 · UTC+9
JST time to GMT time
For Sunday 11 October 2026. Green rows fall in both places' 9 to 5.
| JST time | GMT time |
|---|---|
| 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 call GMT from JST
A 9 to 5 day in JST doesn't overlap one in GMT, so someone joins early or late. The planner below shows who.
Does the time difference change?
No. Neither JST nor GMT changes its clocks in the coming year, so the difference stays the same.
Compare JST · GMT with your time
Your own time zone comes first, then JST · GMT. Add teammates or more cities, then click an hour to plan a meeting.
More conversions from JST
Questions
What is the time difference between JST and GMT?
GMT is 9 hours behind JST.
When is the best time to call GMT from JST?
A 9 to 5 day in JST doesn't overlap one in GMT, so someone joins early or late. The planner below shows who.
Does the time difference change?
No. Neither JST nor GMT changes its clocks in the coming year, so the difference stays the same.
Updated Sunday 11 October 2026