ACST to CHAST Converter
Chatham Islands (CHAST / CHADT) is 3.25 hours ahead of Australian Central Time (ACST / ACDT).
Quick Reference
- Australian Central Time
- ACDT (GMT+10:30)
ACST starts on Apr 4, 2026
- Chatham Islands
- GMT+13:45
GMT+12:45 starts on Apr 4, 2026
Cities in ACST
Cities in CHAST
Frequently Asked Questions
- What is the difference between ACST and CHAST?
- CHAST is 3.25 hours ahead of ACST.
- How do I convert ACST to CHAST?
- To convert from ACST to CHAST, add 3.25 hours. Use the interactive converter on this page to convert specific times.
- What cities are in ACST and CHAST?
- Cities in ACST include Adelaide. Cities in CHAST include .