IST to JST Converter

Japan Standard Time (JST) is 3.5 hours ahead of India Standard Time (IST).

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IST to JST time difference

JST is 3.5 hours ahead of IST.

Quick examples: 9:00 AM IST = 12:30 PM JST · 12:00 PM IST = 3:30 PM JST · 5:00 PM IST = 8:30 PM JST

IST to JST conversion table

India Standard Time (IST)Japan Standard Time (JST)
12:00 AM IST3:30 AM JST
1:00 AM IST4:30 AM JST
2:00 AM IST5:30 AM JST
3:00 AM IST6:30 AM JST
4:00 AM IST7:30 AM JST
5:00 AM IST8:30 AM JST
6:00 AM IST9:30 AM JST
7:00 AM IST10:30 AM JST
8:00 AM IST11:30 AM JST
9:00 AM IST12:30 PM JST
10:00 AM IST1:30 PM JST
11:00 AM IST2:30 PM JST
12:00 PM IST3:30 PM JST
1:00 PM IST4:30 PM JST
2:00 PM IST5:30 PM JST
3:00 PM IST6:30 PM JST
4:00 PM IST7:30 PM JST
5:00 PM IST8:30 PM JST
6:00 PM IST9:30 PM JST
7:00 PM IST10:30 PM JST
8:00 PM IST11:30 PM JST
9:00 PM IST12:30 AM JST (next day)
10:00 PM IST1:30 AM JST (next day)
11:00 PM IST2:30 AM JST (next day)

How to convert IST to JST

  1. Pick a date and time in India Standard Time.
  2. The matching Japan Standard Time time appears instantly on the right.
  3. Use the ⇄ button to convert JST to IST instead.

About India Standard Time and Japan Standard Time

India Standard Time (IST) is used in New Delhi, Mumbai, Bangalore and all of India. Japan Standard Time (JST) is used in Tokyo, Osaka and all of Japan.

Related time zone converters

JST to ISTIST to PSTIST to MSTIST to CSTIST to ESTIST to UTCIST to GMTPST to JSTMST to JSTCST to JSTEST to JST

Frequently asked questions

What is the time difference between IST and JST?

JST is 3.5 hours ahead of IST.

How do I convert IST to JST?

Add 3.5 hours to the IST time. For example, 12:00 PM IST is 3:30 PM JST.

Where is IST used?

India Standard Time is used in New Delhi, Mumbai, Bangalore and all of India.

Where is JST used?

Japan Standard Time is used in Tokyo, Osaka and all of Japan.

Does this converter handle daylight saving time?

Yes. The converter uses the official time zone database, so it automatically applies daylight saving time for the date you pick.