Sydney is 15 hours ahead of Chicago.
Time difference
Chicago is 15 to 17 hours behind Sydney, 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 Sydney does not overlap with Chicago. The least disruptive time to connect is around 09:00 in Sydney, which is 18:00 in Chicago.
Explore