Time zone converter
IST to JST
Japan Standard Time (JST) is 3 hours 30 min ahead of India Standard Time (IST) all year.
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- 1Type a place, a zone or a time
- 2Drag the hours: every clock moves together
- 3Share the link or add it to your calendar
IST to JST, hour by hour
Each hour of the day in India Standard Time, and the time in Japan Standard Time at that moment.
| IST | JST |
|---|---|
| 12:00 am | 3:30 am |
| 1:00 am | 4:30 am |
| 2:00 am | 5:30 am |
| 3:00 am | 6:30 am |
| 4:00 am | 7:30 am |
| 5:00 am | 8:30 am |
| 6:00 am | 9:30 am |
| 7:00 am | 10:30 am |
| 8:00 am | 11:30 am |
| 9:00 am | 12:30 pm |
| 10:00 am | 1:30 pm |
| 11:00 am | 2:30 pm |
| 12:00 pm | 3:30 pm |
| 1:00 pm | 4:30 pm |
| 2:00 pm | 5:30 pm |
| 3:00 pm | 6:30 pm |
| 4:00 pm | 7:30 pm |
| 5:00 pm | 8:30 pm |
| 6:00 pm | 9:30 pm |
| 7:00 pm | 10:30 pm |
| 8:00 pm | 11:30 pm |
| 9:00 pm | 12:30 am (next day) |
| 10:00 pm | 1:30 am (next day) |
| 11:00 pm | 2:30 am (next day) |
Working hours overlap
When 9 am – 5 pm on both sides meet, in each side's own time.
| January | July | |
|---|---|---|
| India Standard Time | 9:00 am – 1:30 pm (4 hours 30 min) | 9:00 am – 1:30 pm (4 hours 30 min) |
| Japan Standard Time | 12:30 pm – 5:00 pm (4 hours 30 min) | 12:30 pm – 5:00 pm (4 hours 30 min) |
About these abbreviations
- IST: India Standard Time, UTC+5:30 all year. Ireland and Israel also use the letters IST for their own zones.
- JST: Japan Standard Time, UTC+9 all year.
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