Bilateral Time Zone Comparison
Sydney to London Time Difference
London is 9 to 11 hours behind Sydney. Compare live atomic clocks, discover convenient overlap hours, and manage meetings between the UK and Australia.
Reference City
UTC +10Sydney
Thursday, September 24, 2026
5:51:59
Australia/SydneyTarget City
UTC +1London
Wednesday, September 23, 2026
8:51:59
Europe/LondonExact Difference Summary
London is 9 hours ahead of Sydney
When it is 12:00 PM (Noon) in Sydney, it is 9 hours ahead in London.
24-Hour Time Conversion & Business Overlap
Highlighted green rows represent mutual office hours (9:00 AM – 6:00 PM).
Shared Business Hours
Syd:00:00
Lon:15:00
Syd:01:00
Lon:16:00
Syd:02:00
Lon:17:00
Syd:03:00
Lon:18:00
Syd:04:00
Lon:19:00
Syd:05:00
Lon:20:00
Syd:06:00
Lon:21:00
Syd:07:00
Lon:22:00
Syd:08:00
Lon:23:00
Syd:09:00
Lon:00:00
Syd:10:00
Lon:01:00
Syd:11:00
Lon:02:00
Syd:12:00
Lon:03:00
Syd:13:00
Lon:04:00
Syd:14:00
Lon:05:00
Syd:15:00
Lon:06:00
Syd:16:00
Lon:07:00
Syd:17:00
Lon:08:00
Syd:18:00
Lon:09:00
Syd:19:00
Lon:10:00
Syd:20:00
Lon:11:00
Syd:21:00
Lon:12:00
Syd:22:00
Lon:13:00
Syd:23:00
Lon:14:00
Transcontinental Coordination
Navigating the 9 to 11-Hour Time Gap
London is 9 to 11 hours behind Sydney. Because both nations observe daylight saving time in opposite seasons, the hour differential shifts regularly throughout the year.
Our interactive timeline keeps track of these shifting offsets automatically, highlighting the ideal end-of-day Sydney window where London is just opening for business.
Evening Sydney Syncs with Early Morning London
Compare reciprocal schedules, verify working hour alignments, and schedule with confidence.
Dual Southern and Northern Hemisphere DST Shifts
Compare reciprocal schedules, verify working hour alignments, and schedule with confidence.
Frequently Asked Questions
Common queries, time calculations, and scientific explanations
Google SERP Verified
London is 9 to 11 hours behind Sydney, shifting as both countries alternate between daylight saving periods.
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