Convert CST to JST Time - Chicago to Tokyo

Convert Central Standard Time (CST) to Japan Standard Time (JST, UTC+9) with our professional time zone converter. Designed for international business meetings between Chicago 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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CST

Central Standard Time

Current Time

Select Date & Time

→

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JST

Japan Standard Time

Current Time

Converted Time

Select a time to convert

Time Difference

Your Local Time

UTC Time

CST to JST Time Conversion

Japan Standard Time is 15 hours ahead of Central Standard Time

Always accurate • Live conversion

15h

difference

CST to JST Time Conversion Chart

Popular Time Conversions

Complete 24-Hour Conversion

Central Standard Time to Japan Standard Time full day schedule

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

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12:00 AM

CST

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3:00 PM

JST

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1:00 AM

CST

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4:00 PM

JST

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2:00 AM

CST

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5:00 PM

JST

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3:00 AM

CST

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6:00 PM

JST

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4:00 AM

CST

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7:00 PM

JST

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5:00 AM

CST

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8:00 PM

JST

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6:00 AM

CST

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9:00 PM

JST

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7:00 AM

CST

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10:00 PM

JST

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8:00 AM

CST

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11:00 PM

JST

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9:00 AM

CST

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12:00 AM

JST

(next day)

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10:00 AM

CST

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1:00 AM

JST

(next day)

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11:00 AM

CST

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2:00 AM

JST

(next day)

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12:00 PM

CST

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3:00 AM

JST

(next day)

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1:00 PM

CST

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4:00 AM

JST

(next day)

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2:00 PM

CST

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5:00 AM

JST

(next day)

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3:00 PM

CST

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6:00 AM

JST

(next day)

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4:00 PM

CST

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7:00 AM

JST

(next day)

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5:00 PM

CST

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8:00 AM

JST

(next day)

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6:00 PM

CST

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9:00 AM

JST

(next day)

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7:00 PM

CST

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10:00 AM

JST

(next day)

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8:00 PM

CST

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11:00 AM

JST

(next day)

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9:00 PM

CST

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12:00 PM

JST

(next day)

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10:00 PM

CST

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1:00 PM

JST

(next day)

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11:00 PM

CST

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2:00 PM

JST

(next day)

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Best Meeting Times for CST and JST

Optimal Collaboration Hours

Best times for CST ↔ JST meetings and calls

⚠️ Compromise times recommended

Alternative Meeting Times

7:00 AM CST → 10:00 PM JST

Early hours coordination

8:00 AM CST → 11:00 PM JST

Early hours coordination

6:00 PM CST → 9:00 AM JST

Evening meeting time

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

CST vs JST Time Zone Details

Technical Information & Comparison

Detailed timezone specifications and regional data

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Central Standard Time

Source timezone

UTC Offset -6.0h

Code CST

Region Global

Status ✓ Active

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Japan Standard Time

Target timezone

UTC Offset 9.0h

Code JST

Region Global

Status ✓ Active

Frequently Asked Questions

What is the Central Standard Time (CST) to Japan Standard Time (JST) conversion?

The CST to JST conversion involves converting Central Standard Time (CST), UTC-6:00, to Japan Standard Time (JST), UTC+9:00. This conversion is essential for coordinating schedules between these two time zones.

How many hours is CST behind JST?

Central Standard Time (CST) is 15 hours behind Japan Standard Time (JST). Therefore, when it is noon CST, it will be 3:00 AM JST the following day.

How do I convert CST to JST using iformat.io?

To convert CST to JST using iformat.io, enter your desired CST time in the converter tool. The website automatically calculates and displays the corresponding JST time, making it quick and easy.

What are the best times for scheduling meetings between CST and JST?

For effective scheduling, aim for meeting times between 5:30 AM and 7:30 AM CST, corresponding to 8:30 PM to 10:30 PM JST. This overlap ensures that both parties are likely available during their working hours.

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

Yes, iformat.io is optimized for mobile devices, including iPhones and Android phones. You can easily access the CST to JST converter on any device and perform conversions while on the go.

How does Daylight Saving Time affect the conversion from CST to JST?

During Daylight Saving Time, Central Standard Time (CST) changes to Central Daylight Time (CDT), which is UTC-5:00. This shift reduces the time difference with JST to 14 hours.