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Chicago · Houston · Dallas
Schedule a fair multi-city call with the free time and date meeting planner.
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Chicago · Houston · Dallas
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Tokyo · Osaka · Yokohama
CST to JST converter
Convert CST (Chicago) to JST (Tokyo) now. Live clocks, the current time difference, and a simple meeting window — free.
America/Chicago
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CST → JST
To · Japan Standard Time
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Asia/Tokyo
Interactive diagram
Drag the Central hour. Watch the Japan clock change.
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JST ← CST
Full-day chart
Full-day table. Tap a row to copy. Labels follow daylight saving.
| Central | Japan | UTC offsets |
|---|
Meeting times
Find hours that work on both sides. Then save the slot to your calendar.
Follow along
Four short steps to convert any CST time to JST.
Select any hour in Central Standard Time. Smart mode uses America/Chicago.
CST to JST conversion guide
This CST to JST converter shows Japan Standard Time (UTC+9) for any Central Standard Time (UTC−6) time. Use it to schedule between Chicago and Tokyo. Choose Smart DST for live city clocks. Choose Fixed mode when you only want the CST and JST labels.
Central
UTC−6
Chicago · Houston · Dallas
Japan
UTC+9
Tokyo · Osaka · Yokohama
CST to JST conversion turns a CST clock into the matching JST time. Use it for calls, travel, and teams in Chicago and Tokyo.
JST is 15 hours ahead of CST. Add 15 hours to the CST time to get JST. The live clocks at the top show the current CST to JST gap.
CST is UTC−6. JST is UTC+9. They are different names. If a region uses daylight saving, check the live labels.
Need cst to jst right now? Read the live clocks, or tap Use current time for an instant CST → JST result.
CST to JST time difference
See how daylight saving can change this pair.
UTC−6
Central Standard Time (CST) is UTC−6. Smart DST uses the city clock America/Chicago so daylight saving stays correct for Chicago · Houston · Dallas.
UTC+9
Japan Standard Time (JST) is UTC+9. Smart DST uses Asia/Tokyo for cities such as Tokyo · Osaka · Yokohama.
CST to JST FAQ
JST is 15 hours ahead of CST. Fixed labels: CST = UTC−6, JST = UTC+9. Add 15 hours to the CST time to get JST.
Add 15 hours to the CST time to get JST. Example: 3:00 AM CST → 6:00 PM JST. Or use the live CST to JST converter above.
No. CST is UTC−6 (Chicago · Houston · Dallas). JST is UTC+9 (Tokyo · Osaka · Yokohama).
JST is ahead. Try 7:00–11:00 AM CST. That is about 10:00 PM–2:00 AM JST. Use the meeting planner on this page to export an ICS or Google Calendar invite.
CST is common in Chicago · Houston · Dallas. JST is common in Tokyo · Osaka · Yokohama. Smart DST uses America/Chicago and Asia/Tokyo.