IST to JST Time Zone Converter — Indian to Japan

Convert between any time zones worldwide. Free and accurate time zone converter with DST support.

Edit time or date on either side — all cards update instantly.

From

UTC...

Indian Standard Time

To Same day

UTC...

Japan Standard Time

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IST to JST Conversion Chart

Last updated: April 2026

Today's reference — every 3 hours. DST is applied automatically.

IST Time	JST Time
12:00 AM	3:30 AM
3:00 AM	6:30 AM
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
9:00 PM	12:30 AM (+1 day)

Popular Timezone Conversions

CST to EST PST to EST MST to EST GMT to EST JST to EST GST to EST IST to EST EST to GMT

About IST to JST Conversion

Last updated: April 2026

Converting time between IST and JST requires understanding their time zone offsets and any daylight saving time adjustments. IST (IST) operates at UTC+5, while JST (JST) is set to UTC+9. This means JST is 3.5 hours ahead IST. For example, when it's 6:32 PM IST on May 5, 2026, it's 10:02 PM JST in JST. Use this converter to quickly find the equivalent time in JST for any time in IST, whether you're scheduling meetings, planning travel, or coordinating with teams across different time zones.

How to Use the Time Zone Converter

Last updated: April 2026

Select your source timezone from the "From timezone" dropdown (use search to find quickly)
Enter the date and time you want to convert (or click "Today" and "Now" for current time)
Select your target timezone from the "To timezone" dropdown
The conversion updates automatically as you change inputs - no button needed!
Use "Copy" button to copy the converted time, or use presets for quick conversions

More Conversions from IST

IST to EST IST to CST IST to MST IST to MDT IST to PST IST to AKST IST to HST IST to GMT IST to CET IST to EET IST to MSK IST to CST-CHINA IST to HKT IST to SGT IST to GST IST to AEST IST to AWST IST to NZST IST to UTC IST to ART IST to BRT IST to PHT IST to BDT IST to KST IST to SAST IST to ICT IST to EAT IST to WAT IST to PKT

Frequently Asked Questions

Last updated: April 2026

What is the time difference between IST and JST?

The time difference between IST and JST is 3.5 hours. JST is 3.5 hours ahead IST.

Is JST ahead of or behind IST?

JST is ahead of IST by 3.5 hours. When it's 12 PM in IST, it's 3:30 PM in JST.

How many hours do you add to IST to get JST?

You add 3.5 hours to IST to get JST. For example, 12 PM IST + 3.5 hours = 3:30 PM JST.

Does the IST to JST time difference change during Daylight Saving Time?

No, the time difference between IST and JST remains constant throughout the year. Neither timezone observes Daylight Saving Time, so the 3.5-hour difference stays the same.

What is 12 PM IST in JST?

12 PM IST is 3:30 PM JST. This conversion accounts for the 3.5-hour time difference between the two timezones.

Is IST the same throughout the year when converting to JST?

Yes, the conversion between IST and JST remains consistent throughout the year. Since neither timezone observes Daylight Saving Time, the 3.5-hour difference is constant, making conversions predictable and straightforward.

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