IST to JST Converter – India Standard Time to Japan Standard Time
JST is 3 hours 30 minutes ahead of IST. IST (India Standard Time) is UTC+5:30 all year, while JST (Japan Standard Time) is UTC+9 all year. The live clocks below show the current time in both zones, updated every second.
IST to JST Conversion Table (Hour by Hour)
Standard-time conversion from India Standard Time to Japan Standard Time.
| IST (UTC+5:30) | JST (UTC+9) |
|---|---|
| 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) |
Frequently Asked Questions
What is the time difference between IST and JST?
JST is 3 hours 30 minutes ahead of IST. IST (India Standard Time) is UTC+5:30 and JST (Japan Standard Time) is UTC+9.
How do I convert IST to JST?
Take your time in IST and add 3.5 hours and minutes as shown in the table above. For example, 9:00 AM IST is 12:30 PM in JST. The live clocks at the top of this page always show the current conversion.
Does daylight saving time affect IST to JST conversion?
No. Neither IST nor JST observes daylight saving time, so the difference between them is the same all year round.
What is the best time for a meeting between IST and JST?
Look for overlap between 9:00 AM-6:00 PM working hours in both zones using the conversion table above. JST is 3 hours 30 minutes ahead of IST, so there is normally several hours of business-hours overlap.