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ISTtoJSTIndia Standard Time (IST) to Japan Standard Time (JST)

Live time comparison

Japan Standard Time (JST) is 3 hours 30 minutes ahead of India Standard Time (IST)

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12hr|24hr
Mumbai
₹100 INR
1:34 AMSun, Sep 20
SepSun20
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5:04 AMSun, Sep 20
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Source timezoneIN flagIndiaIST

ISTIndia Standard Time (IST)

Representative city: Mumbai, India
1:34:26am
Sunday, Sep 20, 2026
IST(UTC+5:30)
Fixed offset; does not change for DST
Destination timezoneJP flagJapanJST

JSTJapan Standard Time (JST)

Representative city: Tokyo, Japan
5:04:26am
Sunday, Sep 20, 2026
JST(UTC+9)
Fixed offset; does not change for DST

Quick Reference: IST → JST

6:00 AM
9:30 AM
9:00 AM
12:30 PM
12:00 PM
3:30 PM
3:00 PM
6:30 PM
6:00 PM
9:30 PM

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About IST and JST

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Frequently Asked Questions about IST & JST

What is the time difference between IST and JST?

Japan Standard Time (JST) is 3 hours 30 minutes ahead of India Standard Time (IST). India Standard Time (IST) uses Asia/Kolkata at UTC+5:30; Japan Standard Time (JST) uses Asia/Tokyo at UTC+9.

What are the UTC offsets for IST and JST?

India Standard Time (IST) is UTC+5:30. Japan Standard Time (JST) is UTC+9. The time difference is 3 hours 30 minutes.

How do I convert IST to JST?

To convert IST to JST, add 3 hours 30 minutes.

Do IST and JST observe Daylight Saving Time?

India Standard Time (IST) stays fixed at UTC+5:30 and does not change for Daylight Saving Time.<br/>Japan Standard Time (JST) stays fixed at UTC+9 and does not change for Daylight Saving Time.

What is the best time to schedule meetings between IST and JST?

Use the meeting planner tool on this page to find overlapping business hours between India Standard Time (IST) and Japan Standard Time (JST), or use <a href="https://findtime.io" target="_blank" rel="noopener noreferrer" style="color: #ef4444; font-weight: 600;">findtime.io</a> to set and share through Google Calendar, Outlook, or .ics files.

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