Chicago to Sydney — Time Difference
Live clocks · Full 24-hour table · United States → Australia
Time Difference: Chicago vs Sydney
Sydney is 15 hours ahead of Chicago. Chicago is in Central Daylight Time (CDT, UTC-5) and Sydney is in Australian Eastern Standard Time (GMT+10, UTC+10).
Use the table below to find the equivalent Sydney time for any hour in Chicago. Click any row to see the full conversion page for that hour.
Business Hours — Chicago to Sydney
"Good" = both cities within business hours (9 AM–5 PM)
Full 24-Hour Table — Chicago to Sydney
Frequently Asked Questions
What is the time difference between Chicago and Sydney?
Sydney is 15 hours ahead of Chicago. Chicago uses Central Daylight Time (CDT, UTC-5) and Sydney uses Australian Eastern Standard Time (GMT+10, UTC+10).
What time is it in Sydney when it is 9 AM in Chicago?
9 AM in Chicago (CDT) equals 12 AM in Sydney (GMT+10) (next day).
Is Chicago ahead or behind Sydney?
Sydney is 15 hours ahead of Chicago.
What is the best time to call from Chicago to Sydney?
There is no standard business-hours overlap between Chicago and Sydney. Consider scheduling early morning or late evening.
Time Zones
Chicago
Central Daylight Time
CDT · UTC-5
Sydney
Australian Eastern Standard Time
GMT+10 · UTC+10
Reverse Conversion
Popular Comparisons