JST to CST Converter – Convert Japan Time to Central Time

Free JST to CST Time Zone Converter - Convert JST to CST Instantly

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When it's --:-- in ---, it's:
--:----- (---)
--- is --- hrs behind/ahead of ---
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Quick Reference: CST is 15 hours behind JST (CDT during daylight saving). Japan does not observe daylight saving time.

Common JST to CST Conversions:
00:00 JST = 09:00 CST (prev day) | 06:00 JST = 15:00 CST (prev day) | 09:00 JST = 18:00 CST (prev day) | 12:00 JST = 21:00 CST (prev day) | 15:00 JST = 00:00 CST | 18:00 JST = 03:00 CST

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Tuesday, July 8, 2025
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Common Questions About JST to CST Conversion

What is the time difference between JST and CST?

CST is 15 hours behind JST (winter), 14 hours behind (CDT summer).

00:00 JST 09:00 CST -1
09:00 JST 18:00 CST -1
12:00 JST 21:00 CST -1
20:00 JST 05:00 CST

Does the time difference change?

Yes, due to Daylight Saving Time transitions.

Winter: 15 hours behind
Summer: 14 hours behind

Always use our converter during March and November for accurate DST transitions.

What is the best time for meetings between JST and CST?

Optimal window: 06:00-07:00 JST = -9:00--8:00 CST

06:00 JST
= 15:00 CST
08:00 JST
= 17:00 CST

Works for Japan early morning and US Central business hours.

JST to CST Quick Conversion Chart

00:00 JST 09:00 -1 CST
09:00 JST 18:00 -1 CST
12:00 JST 21:00 -1 CST
14:00 JST 23:00 -1 CST
20:00 JST 05:00 CST
22:00 JST 07:00 CST

Frequently Asked Questions

To convert JST to CST, use our free time zone converter above. Simply select your time and date to see the instant conversion. Our tool automatically accounts for Daylight Saving Time changes in both time zones.

The time difference between JST and CST varies depending on whether Daylight Saving Time is in effect. Use our converter above for the most accurate, real-time time difference.

The best meeting time between Japan (JST) and US Central (CST) depends on business hours in both locations. Use our advanced meeting planner below to find overlapping work hours that suit both time zones.

Japan does not observe Daylight Saving Time. JST remains constant year-round, which simplifies conversions.

Major cities in the JST timezone include Tokyo and other cities in Japan. This timezone does not observe Daylight Saving Time.

Major cities in the CST timezone include Chicago and other cities in US Central. These cities switch between CST and CDT for Daylight Saving Time.

For calls between Japan (JST) and US Central (CST), use our converter to find mutually convenient times. Always specify both local times in meeting invites to avoid confusion, and account for Daylight Saving Time changes.

Need more help? Check our complete FAQ section.

View Complete FAQ

Popular Cities in These Timezones

IST Timezone Cities:

Mumbai, Delhi, Bangalore, Kolkata

PST Timezone Cities:

Los Angeles, San Francisco, Seattle, Portland

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