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Time zones › Perth and London

Time difference

Perth and London time

Perth is 8 hours ahead of London in January and 7 hours ahead of London in July, because of daylight saving.

Hour by hour today

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

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How the difference changes

FromToDifference
1 Oct 2026Sunday 25 October 2026Perth 7 hours ahead of London
Sunday 25 October 2026Sunday 28 March 2027Perth 8 hours ahead of London
Sunday 28 March 2027Sunday 31 October 2027Perth 7 hours ahead of London
Sunday 31 October 2027end of 2027Perth 8 hours ahead of London

Perth doesn’t use daylight saving, so its clocks never change. 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 Perth and London?

Perth is 8 hours ahead of London in January and 7 hours ahead of London in July, because of daylight saving.

Does the time difference change during the year?

Yes. Perth doesn’t use daylight saving, so its clocks never change. 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 Perth?

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.

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