AST to CST Converter

Atlantic Time

10:49:47 AM AST

Friday, November 13, 2026

2h

Central Time

8:49:47 AM CST

Friday, November 13, 2026

Central Time (CST / CDT) is 2 hours behind Atlantic Time (AST / ADT).

Quick Reference

Atlantic Time
AST (GMT-4)

ADT starts on Mar 14, 2027

Central Time
CST (GMT-6)

CDT starts on Mar 14, 2027

Frequently Asked Questions

What is the difference between AST and CST?
CST is 2 hours behind AST.
How do I convert AST to CST?
To convert from AST to CST, subtract 2 hours. Use the interactive converter on this page to convert specific times.
What cities are in AST and CST?
Cities in AST include Halifax, Charlottetown. Cities in CST include Chicago, Houston, Austin, Dallas, Nashville.