ACST to CST Converter

Australian Central Time

1:20:13 AM ACDT

Saturday, November 14, 2026

16h 30m

Central Time

8:50:13 AM CST

Friday, November 13, 2026

Central Time (CST / CDT) is 16.5 hours behind Australian Central Time (ACST / ACDT).

Quick Reference

Australian Central Time
ACDT (GMT+10:30)

ACST starts on Apr 3, 2027

Central Time
CST (GMT-6)

CDT starts on Mar 14, 2027

Frequently Asked Questions

What is the difference between ACST and CST?
CST is 16.5 hours behind ACST.
How do I convert ACST to CST?
To convert from ACST to CST, subtract 16.5 hours. Use the interactive converter on this page to convert specific times.
What cities are in ACST and CST?
Cities in ACST include Adelaide, Mount Gambier. Cities in CST include Chicago, Houston, Austin, Dallas, Nashville.