ACST to AST Converter
Australian Central Time
7:28:49 PM ACDT
Sunday, October 25, 2026
13h 30m
13h 30m
Atlantic Time
5:58:49 AM ADT
Sunday, October 25, 2026
Atlantic Time (AST / ADT) is 13.5 hours behind Australian Central Time (ACST / ACDT).
Quick Reference
- Australian Central Time
- ACDT (GMT+10:30)
ACST starts on Apr 3, 2027
- Atlantic Time
- ADT (GMT-3)
AST starts on Nov 1, 2026
Cities in ACST
Cities in AST
Frequently Asked Questions
- What is the difference between ACST and AST?
- AST is 13.5 hours behind ACST.
- How do I convert ACST to AST?
- To convert from ACST to AST, subtract 13.5 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.