What is the time difference between IST and JST?

IST (India Standard Time) is +3h 30m behind/ahead of JST (Japan Standard Time). The exact difference depends on Daylight Saving Time status in both timezones.

How do I convert IST to JST?

Use our free converter above. Select India Standard Time as the source timezone and Japan Standard Time as the destination, enter the time you want to convert, and click Convert. Our tool automatically handles DST.

What is the best time to schedule a meeting between India Standard Time and Japan Standard Time?

The best meeting time typically falls during overlapping business hours (9 AM - 5 PM). Use our meeting planner table below to find overlapping hours between IST and JST.

Does IST or JST observe Daylight Saving Time?

Our converter automatically detects DST status for both timezones. The result will show DST indicators when Daylight Saving Time is active.

IST to JST Converter

Convert India Standard Time (IST) to Japan Standard Time (JST) instantly. Convert any timezone or plan a meeting.

From (IST)

To (JST)

Time to Convert

Leave date empty to use current date

Time Difference

+3h 30m

IST is +3h 30m behind/ahead of JST.

IST → JST Conversion Table

IST (India Standard Time)	JST (Japan Standard Time)
Jul 15 05:30	09:00
08:30	12:00
11:30	15:00
14:30	18:00
17:30	21:00
20:30	00:00
23:30	03:00
02:30	06:00

Best Meeting Times

Hours where both timezones are within business hours (9 AM - 5 PM) are highlighted in green.

IST (India Standard Time)

05:00

06:00

07:00

08:00

09:00

10:00

11:00

12:00

13:00

14:00

15:00

16:00

17:00

18:00

19:00

20:00

21:00

22:00

23:00

00:00

01:00

02:00

03:00

04:00

JST (Japan Standard Time)