Australia
United States
Sydney to Chicago Time Difference
Chicago is 16 hours behind Sydney
Sydney vs Chicago — At a Glance
Sydney to Chicago — Hour-by-Hour
About Sydney and Chicago
Sydney (population: 5.3M) is known for the Opera House, Harbour Bridge, Australia's financial center, and surfing culture. Chicago (population: 2.7M) is known for commodities trading, deep-dish pizza, architecture, and the Chicago Board of Trade.
Business Hours Overlap
Sydney and Chicago are both global financial centers. When Sydney's market closes, Chicago's is yet to open, creating a relay pattern common in 24-hour trading.
Calling Between Cities
With 16 hours between Sydney (+61) and Chicago (+1), finding a mutually convenient calling time is tricky. Consider scheduling calls in advance rather than calling spontaneously.
Currency
Sydney uses AUD while Chicago uses USD. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Sydney and Chicago share English as a common language, which simplifies business communication.
Use our world clock tool to compare Sydney and Chicago visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Sydney and Chicago?
Chicago, United States is 16 hours behind Sydney, Australia. Sydney is in the Australia/Sydney timezone (UTC+11) and Chicago is in the America/Chicago timezone (UTC-5).
When it's noon in Sydney, what time is it in Chicago?
When it's 12:00 PM (noon) in Sydney, it's 8:00 PM in Chicago.
What is the best time to call Chicago from Sydney?
The best time to call Chicago from Sydney is during the overlapping business hours. When it's 9 AM in Sydney, it's 5:00 PM in Chicago. Aim for late morning to early afternoon in Sydney for the best chance of reaching someone during working hours.
What currency does Chicago use?
Chicago, United States uses USD. Sydney uses AUD. You will need to check the current exchange rate for transactions between the two.
What language is spoken in Chicago?
The primary language in Chicago is English. Sydney also speaks English, making communication easier.
How do I dial Chicago from Sydney?
To call Chicago from Sydney, dial your international access code followed by +1 and the local number. Sydney uses country code +61 and Chicago uses +1.
