ACST to AWST Converter

Australian Western Time (AWST) is 2.5 hours behind Australian Central Time (ACST / ACDT).

Quick Reference

Australian Central Time
ACDT (GMT+10:30)

ACST starts on Apr 4, 2026

Australian Western Time
AWST (GMT+8)

No Daylight Saving Time

Cities in ACST

Cities in AWST

Frequently Asked Questions

What is the difference between ACST and AWST?
AWST is 2.5 hours behind ACST.
How do I convert ACST to AWST?
To convert from ACST to AWST, subtract 2.5 hours. Use the interactive converter on this page to convert specific times.
What cities are in ACST and AWST?
Cities in ACST include Adelaide. Cities in AWST include Perth.
ACST to AWST Converter | Timezone App