Time Difference: Adelaide vs London
Adelaide
1:06:21 AM ACST
Monday, June 29, 2026
8h 30m
8h 30m
London
4:36:21 PM BST
Sunday, June 28, 2026
London is 8.5 hours behind Adelaide.
Quick Reference
- Adelaide
- ACST (GMT+9:30)
ACDT starts on Oct 3, 2026
- London
- BST (GMT+1)
GMT starts on Oct 25, 2026
Frequently Asked Questions
- What is the time difference between Adelaide and London?
- London is 8.5 hours behind Adelaide.
- When is the best time to call from Adelaide to London?
- 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 London uses BST.