Datewise

Time zones › Sydney and London

Time difference

Sydney and London time

Sydney is 11 hours ahead of London in January and 9 hours ahead of London in July, because of daylight saving.

Hour by hour today

9am–5pm7–9am and 5–10pmNight
SydneyLondon

Open in the meeting planner Convert another time

How the difference changes

FromToDifference
1 Oct 2026Sunday 4 October 2026Sydney 9 hours ahead of London
Sunday 4 October 2026Sunday 25 October 2026Sydney 10 hours ahead of London
Sunday 25 October 2026Sunday 28 March 2027Sydney 11 hours ahead of London
Sunday 28 March 2027Sunday 4 April 2027Sydney 10 hours ahead of London
Sunday 4 April 2027Sunday 3 October 2027Sydney 9 hours ahead of London
Sunday 3 October 2027Sunday 31 October 2027Sydney 10 hours ahead of London
Sunday 31 October 2027end of 2027Sydney 11 hours ahead of London

Sydney changes its clocks on Sunday 4 October 2026 and Sunday 4 April 2027 and Sunday 3 October 2027. London changes its clocks on Sunday 25 October 2026 and Sunday 28 March 2027 and Sunday 31 October 2027. Clocks change at night, so on the changeover day the difference shifts partway through.

Questions

What is the time difference between Sydney and London?

Sydney is 11 hours ahead of London in January and 9 hours ahead of London in July, because of daylight saving.

Does the time difference change during the year?

Yes. Sydney changes its clocks on Sunday 4 October 2026 and Sunday 4 April 2027 and Sunday 3 October 2027. London changes its clocks on Sunday 25 October 2026 and Sunday 28 March 2027 and Sunday 31 October 2027.

What is a good time to call London from Sydney?

Look for the hours shaded green on both sides in the table above. Those are between 9am and 5pm in both cities; yellow hours are early morning or evening.

More time comparisons