Time Difference: London vs Sydney
London
2:31:18 AM BST
Thursday, May 14, 2026
9h
9h
Sydney
11:31:18 AM AEST
Thursday, May 14, 2026
Sydney is 9 hours ahead of London.
Quick Reference
- London
- BST (GMT+1)
GMT starts on Oct 25, 2026
- Sydney
- AEST (GMT+10)
AEDT starts on Oct 3, 2026
Frequently Asked Questions
- What is the time difference between London and Sydney?
- Sydney is 9 hours ahead of London.
- When is the best time to call from London to Sydney?
- 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. London uses BST and Sydney uses AEST.