London is 9 hours behind Sydney.
Time difference
Sydney is 9 to 11 hours ahead of London, depending on daylight saving time. The gap changes by an hour during the weeks when the two cities' daylight saving schedules differ.
Working hours
A standard 9-to-6 workday in London does not overlap with Sydney. The least disruptive time to connect is around 09:00 in London, which is 18:00 in Sydney.
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