ACST to CHAST Converter
Australian Central Time
10:44:32 AM ACST
Tuesday, September 29, 2026
4h 15m
4h 15m
Chatham Islands
2:59:32 PM GMT+13:45
Tuesday, September 29, 2026
Chatham Islands (CHAST / CHADT) is 4.25 hours ahead of Australian Central Time (ACST / ACDT).
Quick Reference
- Australian Central Time
- ACST (GMT+9:30)
ACDT starts on Oct 3, 2026
- Chatham Islands
- GMT+13:45
GMT+12:45 starts on Apr 3, 2027
Cities in ACST
Cities in CHAST
Frequently Asked Questions
- What is the difference between ACST and CHAST?
- CHAST is 4.25 hours ahead of ACST.
- How do I convert ACST to CHAST?
- To convert from ACST to CHAST, add 4.25 hours. Use the interactive converter on this page to convert specific times.
- What cities are in ACST and CHAST?
- Cities in ACST include Adelaide, Mount Gambier. Cities in CHAST include .