Time Difference Between Australia and United Kingdom
As of 31 August 2026, United Kingdom is 9 hours behind Australia. That number is not constant. Over the course of a year, because of daylight saving changes, London, United Kingdom ranges from 11 hours behind to 9 hours behind relative to Sydney, Australia. The calculator below is always up to date.
Tap either box to search any country or city.
Sydney, Australia
08:34
Tue, Sep 1, 2026
UTC+10 · Australia/Sydney
London, United Kingdom
-9h23:34
Mon, Aug 31, 2026
UTC+1 · Europe/London
United Kingdom is 9 hours behind Australia.
When it is 08:34 in Australia, it is already the previous day in United Kingdom.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| Australia | Tuesday, September 1, 2026 | Australia/Sydney | UTC+10 | Not active now |
| United Kingdom | Monday, August 31, 2026 | Europe/London | UTC+1 | 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: Australia to United Kingdom
Every hour of today in Australia and what it is in United Kingdom. Highlighted rows fall inside United Kingdom working hours (09:00–18:00).
| Australia | United Kingdom |
|---|---|
| 00:00 | 15:00prev day |
| 01:00 | 16:00prev day |
| 02:00 | 17:00prev day |
| 03:00 | 18:00prev day |
| 04:00 | 19:00prev day |
| 05:00 | 20:00prev day |
| 06:00 | 21:00prev day |
| 07:00 | 22:00prev day |
| 08:00 | 23:00prev day |
| 09:00 | 00:00 |
| 10:00 | 01:00 |
| 11:00 | 02:00 |
| Australia | United Kingdom |
|---|---|
| 12:00 | 03:00 |
| 13:00 | 04:00 |
| 14:00 | 05:00 |
| 15:00 | 06:00 |
| 16:00 | 07:00 |
| 17:00 | 08:00 |
| 18:00 | 09:00 |
| 19:00 | 10:00 |
| 20:00 | 11:00 |
| 21:00 | 12:00 |
| 22:00 | 13:00 |
| 23:00 | 14:00 |
Best time to call or meet
Overlapping working hours
No overlap
Standard working hours in Australia and United Kingdom never overlap. Someone has to start early or finish late — the calling window below is the practical compromise.
Reasonable calling hours
17:00–21:00 in Australia (08:00–12:00 in United Kingdom)
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, United Kingdom is 10 hours behind Australia — instead of 9 hours behind, 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, United Kingdom is 11 hours behind Australia — instead of 9 hours behind, 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.
Australia and United Kingdom: common questions
What is the time difference between Australia and United Kingdom?
As of 31 August 2026, United Kingdom is 9 hours behind Australia. The gap is not fixed: across the year, United Kingdom ranges from 11 hours behind to 9 hours behind relative to Australia, as clocks change. The calculator on this page always shows the difference for right now.
When it is 9:00 AM in Australia, what time is it in United Kingdom?
It is 12:00 AM in London, United Kingdom. Use the time field in the calculator above to check any other hour.
Is United Kingdom ahead of or behind Australia?
United Kingdom is behind Australia by 9 hours at the moment. In practical terms, the working day in United Kingdom starts and ends later in Australia terms.
Do Australia and United Kingdom observe daylight saving time?
Both Australia and United Kingdom change their clocks, but not on the same dates. That is why the gap is not fixed: across the year, United Kingdom ranges from 11 hours behind to 9 hours behind relative to Australia.
What is the best time to call United Kingdom from Australia?
Standard working hours in Australia and United Kingdom do not overlap at all, so one side has to take the call outside office hours. Early morning in Australia or late evening is usually the least disruptive option.
Related comparisons
Local dates shown for Sydney, Australia (UTC+10) and London, United Kingdom (UTC+1) were generated on Monday, August 31, 2026 UTC and refresh in your browser.