Sydney to Chicago — Time Difference
Live clocks · Full 24-hour table · Australia → United States
Time Difference: Sydney vs Chicago
Chicago is 15 hours behind Sydney. Sydney is in Australian Eastern Standard Time (GMT+10, UTC+10) and Chicago is in Central Daylight Time (CDT, UTC-5).
Use the table below to find the equivalent Chicago time for any hour in Sydney. Click any row to see the full conversion page for that hour.
Business Hours — Sydney to Chicago
"Good" = both cities within business hours (9 AM–5 PM)
Full 24-Hour Table — Sydney to Chicago
Frequently Asked Questions
What is the time difference between Sydney and Chicago?
Chicago is 15 hours behind Sydney. Sydney uses Australian Eastern Standard Time (GMT+10, UTC+10) and Chicago uses Central Daylight Time (CDT, UTC-5).
What time is it in Chicago when it is 9 AM in Sydney?
9 AM in Sydney (GMT+10) equals 6 PM in Chicago (CDT) (previous day).
Is Sydney ahead or behind Chicago?
Chicago is 15 hours behind Sydney.
What is the best time to call from Sydney to Chicago?
There is no standard business-hours overlap between Sydney and Chicago. Consider scheduling early morning or late evening.
Time Zones
Sydney
Australian Eastern Standard Time
GMT+10 · UTC+10
Chicago
Central Daylight Time
CDT · UTC-5
Reverse Conversion
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