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Time Difference: London to Sydney

🇬🇧LondonUTC+0
vs
🇦🇺SydneyUTC+10
🇬🇧
London, UK
Wed, Oct 7
🇦🇺
Sydney, Australia
Thu, Oct 8

Click a time to convert

Time Difference
10 hours
Sydney is 10 hours ahead of London
Compare on map
🇬🇧
London
View city page
🇦🇺
Sydney
View city page

London vs Sydney timezone guide

London (UK) uses the Europe/London timezone at UTC+0, while Sydney (Australia) uses Australia/Sydney at UTC+10. This means Sydney is 10 hours ahead of London (based on standard offsets — the live difference above accounts for daylight saving time).

Best meeting times between London and Sydney

Standard 9-to-5 working hours in London and Sydney do not overlap. To meet synchronously, one side will need to start early or stay late — see the hour-by-hour planner below for the least disruptive options.

Hour-by-hour planner

LondonSydneyStatus
6am4pmOne side outside 9-to-5 but still awake
7am5pmLondon early, Sydney evening
8am6pmLondon early, Sydney evening
9am7pmOne side outside 9-to-5 but still awake
10am8pmOne side outside 9-to-5 but still awake
11am9pmOne side outside 9-to-5 but still awake
12pm10pmLondon working hours, Sydney late evening
1pm11pmLondon working hours, Sydney late evening
2pm12amLondon working hours, Sydney asleep
3pm1amLondon working hours, Sydney asleep
4pm2amLondon working hours, Sydney asleep
5pm3amLondon evening, Sydney asleep
6pm4amLondon evening, Sydney asleep
7pm5amLondon evening, Sydney asleep
8pm6amLondon evening, Sydney early
9pm7amLondon evening, Sydney early
10pm8amLondon late evening, Sydney early

Green = standard working hours (9 AM – 5 PM). Amber = early (6–9 AM). Orange = evening (5–10 PM). Grey = asleep or late.

Daylight saving time between London and Sydney

Both cities observe daylight saving time, but on different schedules. This creates short windows each year where the usual difference of 9 hours behind temporarily shifts.

  • Jan 1 → Mar 29Difference temporarily 11 hours behind.
  • Mar 29 → Apr 4Difference temporarily 10 hours behind.
  • Oct 3 → Oct 25Difference temporarily 10 hours behind.
  • Oct 25 → Dec 31Difference temporarily 11 hours behind.

London transitions on March 29, 2026 and October 25, 2026. Sydney transitions on April 5, 2026 and October 4, 2026.

Distance between London and Sydney

Great-circle distance
16,994 km
Direct flight time
~20h 60m

London and Sydney are 16,994 km apart along the great-circle route. A direct flight takes roughly ~20h 60m, depending on aircraft type, winds, and routing.

More comparisons

London to New YorkLondon to TokyoLondon to DubaiSydney to New YorkSydney to TokyoSydney to Dubai

Frequently asked questions

What is the time difference between London and Sydney?
The current time difference is 10 hours. London is currently 10 hours behind Sydney.
Is London ahead of Sydney?
No. London is currently 10 hours behind Sydney.
What time is it in Sydney when it's 9 AM in London?
When it's 9 AM in London, it's 7pm in Sydney.
When is the best time to schedule a meeting between London and Sydney?
Standard 9-to-5 working hours in London and Sydney do not overlap. To meet synchronously, one side will need to start before 9 AM or work past 5 PM — see the planner above for the least disruptive options.
Do London and Sydney observe daylight saving time?
London and Sydney both observe daylight saving time, but on different schedules. Short windows each year (a week or two around each set of transitions) produce a temporarily different offset.
How far apart are London and Sydney?
London and Sydney are 16,994 km apart along the great-circle route. A direct flight takes roughly 20 hours 60 minutes.