Sydney London Time Difference

Is Sydney 10 or 11 Hours Ahead of London?

Sydney is typically 11 hours ahead of London. When it's 9:00 AM in London, it's 8:00 PM in Sydney. Both cities observe daylight saving time, but in opposite seasons (Sydney in Southern Hemisphere summer, London in Northern Hemisphere summer).

The time difference ranges from 9-11 hours depending on DST transitions in each city. During UK summer (BST), the gap shrinks; during Australian summer (AEDT), it grows.

Best Time to Call Sydney from London

Optimal meeting window: 7:00 AM - 9:00 AM London time (6:00 PM - 8:00 PM Sydney). This catches evening hours in Sydney while being early morning in London.

Due to the large time difference, many companies use early morning London or early morning Sydney calls as the only practical overlap.

Popular Time Zone Comparisons

From Sydney

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From London

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