Time Difference: Perth vs St. John's
Perth
11:33:27 PM AWST
Friday, November 13, 2026
11h 30m
11h 30m
St. John's
12:03:27 PM NST
Friday, November 13, 2026
St. John's is 11.5 hours behind Perth.
Quick Reference
- Perth
- AWST (GMT+8)
No Daylight Saving Time
- St. John's
- NST (GMT-3:30)
NDT starts on Mar 14, 2027
Frequently Asked Questions
- What is the time difference between Perth and St. John's?
- St. John's is 11.5 hours behind Perth.
- When is the best time to call from Perth to St. John's?
- 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. Perth uses AWST and St. John's uses NST.