Australia
United Kingdom
Sydney to London Time Difference
London is 10 hours behind Sydney
Sydney vs London — At a Glance
Sydney to London — Hour-by-Hour
About Sydney and London
Sydney (population: 5.3M) is known for the Opera House, Harbour Bridge, Australia's financial center, and surfing culture. London (population: 8.8M) is known for global finance, the City of London, Buckingham Palace, and the world's oldest underground railway.
Business Hours Overlap
Sydney and London are both global financial centers. When Sydney's market closes, London's is yet to open, creating a relay pattern common in 24-hour trading.
Calling Between Cities
With 10 hours between Sydney (+61) and London (+44), finding a mutually convenient calling time is tricky. Consider scheduling calls in advance rather than calling spontaneously.
Currency
Sydney uses AUD while London uses GBP. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Sydney and London share English as a common language, which simplifies business communication.
Use our world clock tool to compare Sydney and London visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Sydney and London?
London, United Kingdom is 10 hours behind Sydney, Australia. Sydney is in the Australia/Sydney timezone (UTC+11) and London is in the Europe/London timezone (UTC+1).
When it's noon in Sydney, what time is it in London?
When it's 12:00 PM (noon) in Sydney, it's 2:00 AM in London.
What is the best time to call London from Sydney?
The best time to call London from Sydney is during the overlapping business hours. When it's 9 AM in Sydney, it's 11:00 PM in London. Aim for late morning to early afternoon in Sydney for the best chance of reaching someone during working hours.
What currency does London use?
London, United Kingdom uses GBP. Sydney uses AUD. You will need to check the current exchange rate for transactions between the two.
What language is spoken in London?
The primary language in London is English. Sydney also speaks English, making communication easier.
How do I dial London from Sydney?
To call London from Sydney, dial your international access code followed by +44 and the local number. Sydney uses country code +61 and London uses +44.
