JST To IST Converter

Use our free online JST to IST converter tool. Convert time between Japan Standard Time and Indian Standard Time instantly with accurate results.

Live

JST (Japan Standard Time)

02:46 AM
Thursday, December 11, 2025
Live

IST (Indian Standard Time)

11:16 PM
Thursday, December 11, 2025

Convert Specific Time

Choose the time you want to convert

Instant Conversion

Get real-time timezone conversions in milliseconds

Accurate Results

Precise time calculations with DST support

Global Coverage

Support for major time zones worldwide

Time Zone Information

Current Time in JST

02:46 AM

Full Name: Japan Standard Time
Abbreviation: JST
Current Date: December 11, 2025

Current Time in IST

11:16 PM

Full Name: Indian Standard Time
Abbreviation: IST
Current Date: December 11, 2025

JST to IST Converter – Convert Japan Time to India Standard Time

Japan Standard Time (JST) and India Standard Time (IST) are important time zones in Asia. If you work with Indian teams or schedule meetings, knowing how to convert JST to IST is key to avoid mix-ups. This converter helps you do it quickly.

What is JST?

Japan Standard Time (JST) is UTC +9. Places like Tokyo, Osaka, and Kyoto use it. JST doesn't change for daylight saving, so it stays the same all year.

What is IST?

India Standard Time (IST) is UTC +5:30. India and Sri Lanka use it, including cities like Delhi and Mumbai. IST also doesn't change for daylight saving, keeping the time difference with JST steady.

JST and IST: The Time Difference

JST is 3 hours and 30 minutes ahead of IST. Here are some examples:

JST to IST Conversion

JSTIST
6:00 AM2:30 AM
12:00 PM8:30 AM
6:00 PM2:30 PM
10:00 PM6:30 PM

Why Bother Converting JST to IST?

Converting JST to IST matters for:

Convert JST to IST Yourself

It's not hard to do:

IST = JST − 3 hours 30 minutes

So, if it's 9:00 PM in JST, it's 5:30 PM in IST.

Daylight Saving Time

Neither JST nor IST uses daylight saving time. The 3 hours and 30 minutes difference stays the same all year.

Frequently Asked Questions (FAQ)

1. Which time zone is ahead, JST or IST?

JST is 3 hours 30 minutes ahead of IST.

2. Does JST observe daylight saving?

No, Japan does not observe daylight saving time.

3. Does IST observe daylight saving?

No, India does not observe daylight saving time.

4. How do I convert IST to JST?

Add 3 hours 30 minutes to IST to get JST.

5. Why is JST to IST conversion useful?

It helps ensure accurate scheduling and avoids confusion when coordinating meetings, classes, or events between Japan and India.

Using a JST to IST Converter ensures timely coordination, smooth communication, and effective international collaboration between Japan and India.