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Chicago is 15 hours behind Sydney

Best overlap: 8:00 AM to 9:00 AM in Sydney is 5:00 PM to 6:00 PM in Chicago.

The overlap falls at 8:00 AM to 9:00 AM in Sydney, or 5:00 PM to 6:00 PM if you're in Chicago. Just 1 hour of shared hours means there's little margin — set 8:00 AM in Sydney (5:00 PM in Chicago) and start promptly. Watch the date, too: while it's still the workday in Sydney, Chicago is already on the previous day.

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Sydney
Australia/Sydney
Chicago
America/Chicago

Frequently Asked Questions

What is the time difference between Sydney and Chicago?
Chicago is 15 hours behind Sydney.
What are the best overlapping working hours between Sydney and Chicago?
The best time to meet is between 8:00 AM to 9:00 AM in Sydney, which corresponds to 5:00 PM to 6:00 PM in Chicago.
How many hours overlap between Sydney and Chicago during a typical workday?
There are about 1 overlapping hour per day.
Does Daylight Saving Time affect the time difference between Sydney and Chicago?
Both Sydney and Chicago observe Daylight Saving Time. However, if their DST transition dates differ, the time difference may temporarily change during those periods.

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