JST to IST Converter

IST is 3h 30m behind JST. When it's 12:00 PM JST, it's 8:30 AM IST.

From

JST · UTC+9

1:09:53PM

Japan Standard Time

e.g. Tokyo

To

IST · UTC+5:30

9:39:53AM

India Standard Time

e.g. Kolkata

Open in World ClockIST → JST
9:00 AM JST=5:30 AM IST
12:00 PM JST=8:30 AM IST
5:00 PM JST=1:30 PM IST

Hourly conversion (JST → IST)

JSTIST
12:00 AM8:30 PM(−1 day)
1:00 AM9:30 PM(−1 day)
2:00 AM10:30 PM(−1 day)
3:00 AM11:30 PM(−1 day)
4:00 AM12:30 AM
5:00 AM1:30 AM
6:00 AM2:30 AM
7:00 AM3:30 AM
8:00 AM4:30 AM
9:00 AM5:30 AM
10:00 AM6:30 AM
11:00 AM7:30 AM
12:00 PM8:30 AM
1:00 PM9:30 AM
2:00 PM10:30 AM
3:00 PM11:30 AM
4:00 PM12:30 PM
5:00 PM1:30 PM
6:00 PM2:30 PM
7:00 PM3:30 PM
8:00 PM4:30 PM
9:00 PM5:30 PM
10:00 PM6:30 PM
11:00 PM7:30 PM

Shaded rows are within standard working hours (8am–6pm) on both sides.

Japan does not observe daylight saving time, so JST (UTC+9) applies year-round.

IST here is India Standard Time (UTC+5:30). It can also mean Irish Standard Time or Israel Standard Time.

More JST conversions

Frequently asked questions

What is the time difference between JST and IST?
IST is 3h 30m behind JST. JST is UTC+9 and IST is UTC+5:30.
What is 12:00 PM JST in IST?
12:00 PM JST is 8:30 AM IST.
Does JST change for daylight saving time?
Japan does not observe daylight saving time, so JST (UTC+9) applies year-round.