CST to JST Converter

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

Edit time and date on either side to see the conversion instantly.

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CST
Central Standard Time
Date changes are handled automatically when conversions cross midnight.
JST
Japan Standard Time
Date changes are handled automatically when conversions cross midnight.

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 CST to JST Conversion

Converting time between CST and JST requires understanding their time zone offsets and any daylight saving time adjustments. CST (CST) operates at UTC-6, while JST (JST) is set to UTC+9. This means JST is 15 hours ahead CST. Note that due to the time difference, the date may change. When it's 8:10 PM CST on February 3, 2026, it's 11:10 AM JST on February 4, 2026 in JST. America/Chicago observes daylight saving time, switching between CST (UTC-6) and CDT (UTC-5), while Asia/Tokyo does not observe daylight saving time. Use this converter to quickly find the equivalent time in JST for any time in CST, whether you're scheduling meetings, planning travel, or coordinating with teams across different time zones.

How to Use the Time Zone Converter

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

More Conversions from CST

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

Frequently Asked Questions

What is the time difference between CST and JST?

The time difference between CST and JST is 15 hours. JST is 15 hours ahead CST.

Is JST ahead of or behind CST?

JST is ahead of CST by 15 hours. When it's 9 AM in CST, it's 12:00 AM in JST.

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

You add 15 hours to CST to get JST. For example, 9 AM CST + 15 hours = 12:00 AM JST.

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

Yes, the time difference can change during Daylight Saving Time (DST). CST observes DST, which can affect the time difference during the transition periods in spring and fall.

What is 9 AM CST in JST?

9 AM CST is 12:00 AM JST. This conversion accounts for the 15-hour time difference between the two timezones.

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

No, the conversion between CST and JST can vary during the year due to Daylight Saving Time. The time difference may change by 1 hour during DST transition periods (typically March and November), so always use a current timezone converter for accurate conversions.

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