IST to JST Converter

Convert India Standard Time (IST) to Japan Standard Time (JST), with daylight saving time handled for you.

JST to IST

Now in IST

11:32 PM

India Standard Time · New Delhi

Now in JST

3:02 AM

Japan Standard Time · Tokyo

Results

11:32 PM IST in JST

3:02 AM

Japan Standard Time · next day · right now JST is 3 hours 30 minutes ahead of IST

Times follow New Delhi for IST and Tokyo for JST, using the IANA time zone database.

IST to JST time difference

JST is always 3 hours 30 minutes ahead of IST.

India Standard Time does not use daylight saving time. Japan Standard Time does not use daylight saving time.

IST to JST conversion table

Every hour on 2026-09-28. Highlighted rows fall inside 9 AM–5 PM in both zones.

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

Working hours overlap

On 2026-09-28, a 9 AM–5 PM workday in IST and in JST overlap for about 5 hours, from 9:00 AM to 2:00 PM IST (12:30 PM to 5:30 PM JST).

Convert IST to other time zones

How to use

Follow these steps to get a result

  1. Pick a date and a time in India Standard Time (IST).

  2. Read the matching JST time, including whether it falls on the next or previous day.

  3. Scan the 24-hour table to see every hour at once, with shared working hours highlighted.

Features

What this tool includes

  • Live clocks for both time zones

  • Daylight saving time handled automatically

  • 24-hour conversion table

  • Working-hours overlap

FAQ

Common questions about this tool

JST is always 3 hours 30 minutes ahead of IST.

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