Chicago
Tokyo
Convert CST to JST
Central Standard Time to Japan Standard Time — Tokyo is 14 hours ahead of Chicago
Quick Facts
Time Difference
+14 hours
CST Full Name
Central Standard Time
JST Full Name
Japan Standard Time
CST to JST Conversion Table
Related Conversions
About CST and JST Time Zones
CST (Central Standard Time) is UTC-6 and covers cities like Chicago, Dallas, Houston. JST (Japan Standard Time) is UTC+9 and covers cities like Tokyo, Osaka, Kyoto.
When it's 12:00 PM (noon) in Chicago (CST), it's 2:00 AM in Tokyo (JST). The time difference between CST and JST is 14 hours — Tokyo is ahead of Chicago.
With a 15-hour gap, scheduling overlap is very limited. Early morning in Chicago (6–8 AM) corresponds to evening or late night in Tokyo.
Daylight Saving Time
CST observes Daylight Saving Time and becomes CDT (Central Daylight Time) during summer months, shifting clocks forward by 1 hour to UTC-5.
During DST transitions, the time difference between CST and JST may shift by ±1 hour. Always verify the current offset above for the most accurate conversion.
Use our world clock tool to compare Chicago and Tokyo with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between CST and JST?
Tokyo (JST) is 14 hours ahead of Chicago (CST). The offset is +14 hours.
Is JST ahead or behind CST?
JST is 14 hours ahead of CST. CST is UTC-5 and JST is UTC+9.
When it's 12:00 PM in Chicago, what time is it in Tokyo?
When it's 12:00 PM (noon) in Chicago (CST), it's 2:00 AM in Tokyo (JST).
When it's 5:00 PM in Chicago, what time is it in Tokyo?
When it's 5:00 PM in Chicago (CST), it's 7:00 AM in Tokyo (JST).
Does CST change for Daylight Saving Time?
Yes. CST (Central Standard Time, UTC-6) becomes CDT (Central Daylight Time, UTC-5) in summer, shifting clocks forward 1 hour.