🇮🇳IST→🇯🇵JST
IST to JST Timezone Converter
India Standard Time (UTC+5:30) is 3.5 hours behind Japan Standard Time (UTC+9). 5 hours of standard working-hours overlap per day.
IST
UTC+5:30
India Standard Time
Difference
3.5h
IST is 3.5h behind
JST
UTC+9
Japan Standard Time
IST Working Hours in JST
Standard working hours (9 am – 6 pm) in IST and the equivalent time.
| 🇮🇳 Mumbai (IST) | 🇯🇵 Tokyo (JST) | Status |
|---|---|---|
| 9:00 am | 0.5:00 pm | Working Hours |
| 10:00 am | 1.5:00 pm | Working Hours |
| 11:00 am | 2.5:00 pm | Working Hours |
| 12:00 pm | 3.5:00 pm | Working Hours |
| 1:00 pm | 4.5:00 pm | Working Hours |
| 2:00 pm | 5.5:00 pm | Working Hours |
| 3:00 pm | 6.5:00 pm | Stretch |
| 4:00 pm | 7.5:00 pm | Stretch |
| 5:00 pm | 8.5:00 pm | Stretch |
| 6:00 pm | 9.5:00 pm | Stretch |
Frequently Asked Questions
What is the difference between IST and JST?
IST is UTC+5:30 and JST is UTC+9. The difference is 3.5 hours.
Does IST observe daylight saving time?
Some timezone abbreviations like IST refer to standard time only. During daylight saving periods, the actual offset may change by 1 hour. The Timezone Meeting Planner handles DST automatically using your browser's timezone data.
What is the best meeting time for IST and JST?
There are 5 hours of overlap between standard working hours in both zones. Open the planner to see the exact window visually.