Time Difference: Adelaide vs Perth
Adelaide
12:32:12 PM ACST
Thursday, May 14, 2026
1h 30m
1h 30m
Perth
11:02:12 AM AWST
Thursday, May 14, 2026
Perth is 1.5 hours behind Adelaide.
Quick Reference
- Adelaide
- ACST (GMT+9:30)
ACDT starts on Oct 3, 2026
- Perth
- AWST (GMT+8)
No Daylight Saving Time
Frequently Asked Questions
- What is the time difference between Adelaide and Perth?
- Perth is 1.5 hours behind Adelaide.
- When is the best time to call from Adelaide to Perth?
- The best time to call is during overlapping business hours (9 AM – 5 PM) in both cities. Use the interactive converter on this page to visually compare hours side by side.
- Does the time difference change with daylight saving time?
- The time difference may change when either city enters or exits daylight saving time. Adelaide uses ACST and Perth uses AWST.