ACST to PST Converter
Pacific Time (PST / PDT) is 17.5 hours behind Australian Central Time (ACST / ACDT).
Quick Reference
- Australian Central Time
- ACDT (GMT+10:30)
ACST starts on Apr 4, 2026
- Pacific Time
- PDT (GMT-7)
PST starts on Nov 1, 2026
Cities in ACST
Cities in PST
Frequently Asked Questions
- What is the difference between ACST and PST?
- PST is 17.5 hours behind ACST.
- How do I convert ACST to PST?
- To convert from ACST to PST, subtract 17.5 hours. Use the interactive converter on this page to convert specific times.
- What cities are in ACST and PST?
- Cities in ACST include Adelaide. Cities in PST include Los Angeles, San Diego, San Jose, San Francisco, Seattle.