Convert IST to JST Time - Mumbai to Tokyo

Convert India Standard Time (IST) to Japan Standard Time (JST, UTC+9) with our professional time zone converter. Designed for international business meetings between Mumbai to Tokyo, this tool provides real-time conversion, optimal meeting time suggestions, business hours comparison, and 24-hour conversion tables. Features include live clock displays, meeting scheduler, time zone maps, and daylight saving time handling.

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IST

India Standard Time

Current Time

Select Date & Time

→

🇯🇵

JST

Japan Standard Time

Current Time

Converted Time

Select a time to convert

Time Difference

Your Local Time

UTC Time

IST to JST Time Conversion

Japan Standard Time is 3 hours and 30 minutes ahead of India Standard Time

Always accurate • Live conversion

difference

IST to JST Time Conversion Chart

Popular Time Conversions

Complete 24-Hour Conversion

India Standard Time to Japan Standard Time full day schedule

🇮🇳 India Standard Time	🇯🇵 Japan Standard Time
12:00 AM 00:00	3:30 AM 03:30
1:00 AM 01:00	4:30 AM 04:30
2:00 AM 02:00	5:30 AM 05:30
3:00 AM 03:00	6:30 AM 06:30
4:00 AM 04:00	7:30 AM 07:30
5:00 AM 05:00	8:30 AM 08:30
6:00 AM 06:00	9:30 AM 09:30
7:00 AM 07:00	10:30 AM 10:30
8:00 AM 08:00	11:30 AM 11:30
9:00 AM 09:00	12:30 PM 12:30
10:00 AM 10:00	1:30 PM 13:30
11:00 AM 11:00	2:30 PM 14:30
12:00 PM 12:00	3:30 PM 15:30
1:00 PM 13:00	4:30 PM 16:30
2:00 PM 14:00	5:30 PM 17:30
3:00 PM 15:00	6:30 PM 18:30
4:00 PM 16:00	7:30 PM 19:30
5:00 PM 17:00	8:30 PM 20:30
6:00 PM 18:00	9:30 PM 21:30
7:00 PM 19:00	10:30 PM 22:30
8:00 PM 20:00	11:30 PM 23:30
9:00 PM 21:00	12:30 AM (next day) 00:30
10:00 PM 22:00	1:30 AM (next day) 01:30
11:00 PM 23:00	2:30 AM (next day) 02:30

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12:00 AM

IST

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3:30 AM

JST

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1:00 AM

IST

→

4:30 AM

JST

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2:00 AM

IST

→

5:30 AM

JST

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3:00 AM

IST

→

6:30 AM

JST

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4:00 AM

IST

→

7:30 AM

JST

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5:00 AM

IST

→

8:30 AM

JST

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6:00 AM

IST

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9:30 AM

JST

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7:00 AM

IST

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10:30 AM

JST

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8:00 AM

IST

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11:30 AM

JST

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9:00 AM

IST

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12:30 PM

JST

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10:00 AM

IST

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1:30 PM

JST

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11:00 AM

IST

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2:30 PM

JST

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12:00 PM

IST

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3:30 PM

JST

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1:00 PM

IST

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4:30 PM

JST

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2:00 PM

IST

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5:30 PM

JST

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3:00 PM

IST

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6:30 PM

JST

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4:00 PM

IST

→

7:30 PM

JST

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5:00 PM

IST

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8:30 PM

JST

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6:00 PM

IST

→

9:30 PM

JST

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7:00 PM

IST

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10:30 PM

JST

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8:00 PM

IST

→

11:30 PM

JST

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9:00 PM

IST

→

12:30 AM

JST

(next day)

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10:00 PM

IST

→

1:30 AM

JST

(next day)

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11:00 PM

IST

→

2:30 AM

JST

(next day)

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Best Meeting Times for IST and JST

Optimal Collaboration Hours

Best times for IST ↔ JST meetings and calls

✅ Business hours overlap available

Recommended Meeting Windows

9:00 AM IST → 12:30 PM JST

Perfect for both time zones

10:00 AM IST → 1:30 PM JST

Perfect for both time zones

11:00 AM IST → 2:30 PM JST

Perfect for both time zones

Based on standard business hours (9:00 AM - 6:00 PM) in each time zone

IST vs JST Time Zone Details

Technical Information & Comparison

Detailed timezone specifications and regional data

🇮🇳

India Standard Time

Source timezone

UTC Offset 5.5h

Code IST

Region Global

Status ✓ Active

🇯🇵

Japan Standard Time

Target timezone

UTC Offset 9.0h

Code JST

Region Global

Status ✓ Active

Frequently Asked Questions

What is the Indian Standard Time (IST) to Japan Standard Time (JST) conversion?

The IST to JST conversion involves converting Indian Standard Time (IST), UTC+5:30, to Japan Standard Time (JST), UTC+9:00. This conversion is essential for coordinating schedules across these two time zones.

How many hours is IST behind JST?

Indian Standard Time (IST) is 3 hours and 30 minutes behind Japan Standard Time (JST). Therefore, at noon IST, it will be 3:30 PM JST on the same day.

How do I convert IST time to JST time using your online tool?

To convert IST to JST using our online tool at iformat.io, enter the desired IST time into the input field. The converter will automatically calculate and display the corresponding JST time, making it quick and easy.

What is the best tool to convert IST to JST?

The best tool to convert IST to JST is our free online converter at iformat.io. It provides real-time calculations and is user-friendly, ensuring accurate conversions between these two time zones.

What are the typical working hours for scheduling meetings between IST and JST?

The typical working hours for scheduling meetings between IST and JST are generally between 9:00 AM and 2:30 PM IST, which corresponds to 12:30 PM and 6:00 PM JST. This range accommodates working hours in both regions.

Can I use your IST to JST converter on mobile devices?

Our IST to JST converter is optimized for mobile devices, including iPhones and Android phones. Through iformat.io, you can easily access it on any device and perform conversions on the go.

How does Daylight Saving Time affect the conversion from JST?

Japan does not observe Daylight Saving Time; therefore, Japan Standard Time (JST) remains constant throughout the year. This means that the offset from Indian Standard Time (IST) does not change, simplifying scheduling.