Back to map

Time Difference: London to Sydney

🇬🇧LondonUTC+0
vs
🇦🇺SydneyUTC+10
🇬🇧
London, UK
Wed, Jun 3
🇦🇺
Sydney, Australia
Thu, Jun 4

Click a time to convert

Time Difference
9 hours
Sydney is 9 hours ahead of London

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
6am3pmOne side outside 9-to-5 but still awake
7am4pmOne side outside 9-to-5 but still awake
8am5pmLondon early, Sydney evening
9am6pmOne side outside 9-to-5 but still awake
10am7pmOne side outside 9-to-5 but still awake
11am8pmOne side outside 9-to-5 but still awake
12pm9pmOne side outside 9-to-5 but still awake
1pm10pmLondon working hours, Sydney late evening
2pm11pmLondon working hours, Sydney late evening
3pm12amLondon working hours, Sydney asleep
4pm1amLondon working hours, Sydney asleep
5pm2amLondon evening, Sydney asleep
6pm3amLondon evening, Sydney asleep
7pm4amLondon evening, Sydney asleep
8pm5amLondon evening, Sydney asleep
9pm6amLondon evening, Sydney early
10pm7amLondon 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.

Frequently asked questions

What is the time difference between London and Sydney?
The current time difference is 9 hours. London is currently 9 hours behind Sydney.
Is London ahead of Sydney?
No. London is currently 9 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 6pm 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.