United Kingdom · Europe/London
London
July 11, 2026
Time difference between London and Sydney
+9h
Sydney is ahead of London
Australia · Australia/Sydney
Sydney
July 11, 2026
Sydney is 9 hours ahead of London.
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Why the time difference exists
London keeps standard time at UTC, while Sydney runs on UTC+10. Each springs forward in its own summer — and those summers are six months apart — so the difference swings back and forth across the year. Sydney sits roughly 17,000 km to the northeast of London.
Traveling between London and Sydney
Expect roughly a 10 hours forward adjustment travelling from London to Sydney. The direct distance works out to roughly 20½ hours in the air. Line up a shared window before you call and the rest is easy.
Convert London time to Sydney time
| London | Sydney |
|---|---|
| 12:00 AM | 9:00 AM |
| 3:00 AM | 12:00 PM |
| 6:00 AM | 3:00 PM |
| 8:00 AM | 5:00 PM |
| 9:00 AM | 6:00 PM |
| 10:00 AM | 7:00 PM |
| 12:00 PM | 9:00 PM |
| 2:00 PM | 11:00 PM |
| 4:00 PM | 1:00 AM |
| 5:00 PM | 2:00 AM |
| 6:00 PM | 3:00 AM |
| 8:00 PM | 5:00 AM |
| 9:00 PM | 6:00 AM |
| 10:00 PM | 7:00 AM |
Best time to call
There is no practical overlap during business hours between London and Sydney — schedule at the edge of one side's working day.
| City | Local time | Difference from London |
|---|---|---|
 Shanghai | 7 hours ahead of London | |
| Beijing | 7 hours ahead of London | |
| Shenzhen | 7 hours ahead of London | |
| Guangzhou | 7 hours ahead of London | |
 Kinshasa | the same time as London | |
 Istanbul | 2 hours ahead of London | |
 Lagos | the same time as London | |
 Ho Chi Minh City | 6 hours ahead of London | |
| Chengdu | 7 hours ahead of London | |
 Lahore | 4 hours ahead of London | |
 Mumbai | 4 hours and 30 minutes ahead of London | |
 São Paulo | 4 hours behind London |
Related pages
Frequently asked questions
- What is the time difference between London and Sydney?
- London is 9 hours behind Sydney right now. The figure is computed live and accounts for daylight saving time on both sides.
- Does the difference between London and Sydney change during the year?
- Yes. From October 3, 2026 to October 25, 2026 the difference is 10 hours behind Sydney, because London and Sydney switch daylight saving time on different dates.
- What is the best time to call between London and Sydney?
- Their 9 AM–5 PM business hours never overlap — schedule at the edge of one side's day.