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