ACST to CST Converter
Central Time (CST / CDT) is 15.5 hours behind Australian Central Time (ACST / ACDT).
Quick Reference
- Australian Central Time
- ACDT (GMT+10:30)
ACST starts on Apr 4, 2026
- Central Time
- CDT (GMT-5)
CST starts on Nov 1, 2026
Cities in ACST
Cities in CST
Frequently Asked Questions
- What is the difference between ACST and CST?
- CST is 15.5 hours behind ACST.
- How do I convert ACST to CST?
- To convert from ACST to CST, subtract 15.5 hours. Use the interactive converter on this page to convert specific times.
- What cities are in ACST and CST?
- Cities in ACST include Adelaide. Cities in CST include Chicago, Houston, San Antonio, Dallas, Fort Worth.