All Comparisons
Time Difference: Chicago vs Sydney
Current time in both cities, business hours overlap, and best meeting times for teams working across Chicago and Sydney.
Chicago
—
United States
Sydney
—
Australia
Sydney is 15h ahead of Chicago
UTC offset: Chicago -5h · Sydney +10h
Business Hours Overlap
Hours when both Chicago and Sydney are in business hours (9 AM–5 PM local).
00:00 UTC12:00 UTC23:00 UTC
Both in business hours Chicago only Sydney only
No business hours overlap
Chicago and Sydney have no shared 9 AM–5 PM window. Consider early morning or late evening calls.
Convert a Time
Enter a time in Chicago to see what it is in Sydney.
Working with teammates in Chicago and Sydney?
Timely automatically converts times in Slack so everyone sees messages in their local timezone — no mental math required.