JST to IST time converter
IST is 3 hours 30 minutes behind JST.
JST
UTC+9 · UTC+9
JST time to IST time
For Sunday 11 October 2026. Green rows fall in both places' 9 to 5.
| JST time | IST time |
|---|---|
| 12:00 am | 8:30 pmprevious day |
| 1:00 am | 9:30 pmprevious day |
| 2:00 am | 10:30 pmprevious day |
| 3:00 am | 11:30 pmprevious day |
| 4:00 am | 12:30 am |
| 5:00 am | 1:30 am |
| 6:00 am | 2:30 am |
| 7:00 am | 3:30 am |
| 8:00 am | 4:30 am |
| 9:00 am | 5:30 am |
| 10:00 am | 6:30 am |
| 11:00 am | 7:30 am |
| 12:00 pm | 8:30 am |
| 1:00 pm | 9:30 am |
| 2:00 pm | 10:30 am |
| 3:00 pm | 11:30 am |
| 4:00 pm | 12:30 pm |
| 5:00 pm | 1:30 pm |
| 6:00 pm | 2:30 pm |
| 7:00 pm | 3:30 pm |
| 8:00 pm | 4:30 pm |
| 9:00 pm | 5:30 pm |
| 10:00 pm | 6:30 pm |
| 11:00 pm | 7:30 pm |
Best time to call IST from JST
Both 9 to 5 working days overlap for 4 hours, from 1:00 pm–5:00 pm JST time, which is 9:30 am–1:30 pm IST time.
Does the time difference change?
No. Neither JST nor IST changes its clocks in the coming year, so the difference stays the same.
Compare JST · IST with your time
Your own time zone comes first, then JST · IST. 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 IST?
IST is 3 hours 30 minutes behind JST.
When is the best time to call IST from JST?
Both 9 to 5 working days overlap for 4 hours, from 1:00 pm–5:00 pm JST time, which is 9:30 am–1:30 pm IST time.
Does the time difference change?
No. Neither JST nor IST changes its clocks in the coming year, so the difference stays the same.
Updated Sunday 11 October 2026