ACST to AST Converter

Australian Central Time

1:20:16 AM ACDT

Saturday, November 14, 2026

14h 30m

Atlantic Time

10:50:16 AM AST

Friday, November 13, 2026

Atlantic Time (AST / ADT) is 14.5 hours behind Australian Central Time (ACST / ACDT).

Quick Reference

Australian Central Time
ACDT (GMT+10:30)

ACST starts on Apr 3, 2027

Atlantic Time
AST (GMT-4)

ADT starts on Mar 14, 2027

Frequently Asked Questions

What is the difference between ACST and AST?
AST is 14.5 hours behind ACST.
How do I convert ACST to AST?
To convert from ACST to AST, subtract 14.5 hours. Use the interactive converter on this page to convert specific times.
What cities are in ACST and AST?
Cities in ACST include Adelaide, Mount Gambier. Cities in AST include Halifax, Charlottetown.