Time Difference Between United Kingdom and Australia
As of 31 August 2026, Australia is 9 hours ahead of United Kingdom. That number is not constant. Over the course of a year, because of daylight saving changes, Sydney, Australia ranges from 9 hours ahead to 11 hours ahead relative to London, United Kingdom. The calculator below is always up to date.
Tap either box to search any country or city.
London, United Kingdom
23:34
Mon, Aug 31, 2026
UTC+1 · Europe/London
Sydney, Australia
+9h08:34
Tue, Sep 1, 2026
UTC+10 · Australia/Sydney
Australia is 9 hours ahead of United Kingdom.
When it is 23:34 in United Kingdom, it is already the next day in Australia.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| United Kingdom | Monday, August 31, 2026 | Europe/London | UTC+1 | Active now |
| Australia | Tuesday, September 1, 2026 | Australia/Sydney | UTC+10 | Not active now |
Australia: Australia has several time zones and only some states use daylight saving. This page uses Eastern Time (Sydney, Melbourne); Perth is 2 to 3 hours behind.
Hour by hour: United Kingdom to Australia
Every hour of today in United Kingdom and what it is in Australia. Highlighted rows fall inside Australia working hours (09:00–18:00).
| United Kingdom | Australia |
|---|---|
| 00:00 | 09:00 |
| 01:00 | 10:00 |
| 02:00 | 11:00 |
| 03:00 | 12:00 |
| 04:00 | 13:00 |
| 05:00 | 14:00 |
| 06:00 | 15:00 |
| 07:00 | 16:00 |
| 08:00 | 17:00 |
| 09:00 | 18:00 |
| 10:00 | 19:00 |
| 11:00 | 20:00 |
| United Kingdom | Australia |
|---|---|
| 12:00 | 21:00 |
| 13:00 | 22:00 |
| 14:00 | 23:00 |
| 15:00 | 00:00next day |
| 16:00 | 01:00next day |
| 17:00 | 02:00next day |
| 18:00 | 03:00next day |
| 19:00 | 04:00next day |
| 20:00 | 05:00next day |
| 21:00 | 06:00next day |
| 22:00 | 07:00next day |
| 23:00 | 08:00next day |
Best time to call or meet
Overlapping working hours
No overlap
Standard working hours in United Kingdom and Australia never overlap. Someone has to start early or finish late — the calling window below is the practical compromise.
Reasonable calling hours
08:00–12:00 in United Kingdom (17:00–21:00 in Australia)
Both people are awake and available between 08:00 and 21:00 local time during this window.
When this difference changes
Australia puts its clocks forward on Sunday, October 4, 2026
The local offset moves from UTC+10 to UTC+11. After that date, Australia is 10 hours ahead of United Kingdom — instead of 9 hours ahead, as it is today.
United Kingdom puts its clocks back on Sunday, October 25, 2026
The local offset moves from UTC+1 to UTC. After that date, Australia is 11 hours ahead of United Kingdom — instead of 9 hours ahead, as it is today.
Planning something with more than two places?
Adding a third city usually kills the obvious answer. The Meeting Time Finder takes up to five cities at once and shows only the hours that work for everybody.
United Kingdom and Australia: common questions
What is the time difference between United Kingdom and Australia?
As of 31 August 2026, Australia is 9 hours ahead of United Kingdom. The gap is not fixed: across the year, Australia ranges from 9 hours ahead to 11 hours ahead relative to United Kingdom, as clocks change. The calculator on this page always shows the difference for right now.
When it is 9:00 AM in United Kingdom, what time is it in Australia?
It is 06:00 PM in Sydney, Australia. Use the time field in the calculator above to check any other hour.
Is Australia ahead of or behind United Kingdom?
Australia is ahead of United Kingdom by 9 hours at the moment. In practical terms, the working day in Australia starts and ends earlier in United Kingdom terms.
Do United Kingdom and Australia observe daylight saving time?
Both United Kingdom and Australia change their clocks, but not on the same dates. That is why the gap is not fixed: across the year, Australia ranges from 9 hours ahead to 11 hours ahead relative to United Kingdom.
What is the best time to call Australia from United Kingdom?
Standard working hours in United Kingdom and Australia do not overlap at all, so one side has to take the call outside office hours. Early morning in United Kingdom or late evening is usually the least disruptive option.
Related comparisons
Local dates shown for London, United Kingdom (UTC+1) and Sydney, Australia (UTC+10) were generated on Monday, August 31, 2026 UTC and refresh in your browser.