Skip to content

JST to IST converter

India Standard Time (IST) is 3 hours 30 minutes behind Japan Standard Time (JST), all year round.

Japan Standard Time · JST

6:01 PM

Sunday 25 October

India Standard Time · IST

2:31 PM

Sunday 25 October

Right now, India Standard Time is 3 hours 30 minutes behind Japan Standard Time. Updates live from your device’s clock.

Hour by hour

Today’s conversion. Green dots mark 9-to-5 working hours.

JST to IST time conversion table for today
JSTIST
12:00 AM8:30 PMprev day
1:00 AM9:30 PMprev day
2:00 AM10:30 PMprev day
3:00 AM11:30 PMprev 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

Best time to meet

When both sides are inside 9 AM–5 PM on a weekday. If there’s no overlap, we show when both are awake (8 AM–9 PM).

  • 12:30 PM–5:00 PMin JST=9:00 AM–1:30 PMin IST

When the gap changes

  • 25 October 2026 → 1 January 2028IST −3h 30m

Japan Standard Time is UTC+9 all year, with no daylight saving time.

India Standard Time is UTC+5:30 all year. India doesn't use daylight saving time, so every change in the gap comes from the other side.

Questions

What is the time difference between Japan Standard Time and India Standard Time?

India Standard Time is 3 hours 30 minutes behind Japan Standard Time for most of the year. The gap stays the same all year.

If it's 9 AM in Japan Standard Time, what time is it in India Standard Time?

When it's 9:00 AM in Japan Standard Time, it's 5:30 AM in India Standard Time. At 5:00 PM in Japan Standard Time, it's 1:30 PM in India Standard Time. (Based on today's offsets.)

What is the best time for a call between Japan Standard Time and India Standard Time?

Working hours overlap from 12:30 PM to 5:00 PM in Japan Standard Time, which is 9:00 AM to 1:30 PM in India Standard Time.

Does Japan Standard Time use daylight saving time?

No. Japan Standard Time stays on the same offset all year.

Does India Standard Time use daylight saving time?

No. India Standard Time stays on the same offset all year.