Chicago to Sydney Time Difference
Sydney is 15 hours ahead of Chicago
24-Hour Comparison
Business hours Extended Off hours
Chicago
05a
06a
07a
08a
09a
10a
11a
12p
01p
02p
03p
04p
05p
06p
07p
08p
09p
10p
11p
12a
01a
02a
03a
04a
Sydney
08p
09p
10p
11p
12a
01a
02a
03a
04a
05a
06a
07a
08a
09a
10a
11a
12p
01p
02p
03p
04p
05p
06p
07p
Each column is the same moment in both cities, starting from right now and rolling forward 24 hours — daylight saving is already accounted for.
Best Time to Call
On a typical weekday (Monday–Friday).
Chicago and Sydney have little to no overlap in typical business hours (9 AM–5 PM) — an early morning or evening call works best for one side.
Frequently Asked Questions
- What is the time difference between Chicago and Sydney?
- Sydney is 15 hours ahead of Chicago. Chicago is currently UTC-5 and Sydney is UTC+10.
- Is Sydney ahead of or behind Chicago?
- Sydney is ahead of Chicago.
- What is the best time to call Sydney from Chicago?
- Chicago and Sydney have little to no overlap in typical business hours (9 AM–5 PM), even on a weekday — an early morning or evening call works best for one side.
- Does the time difference between Chicago and Sydney change during the year?
- No. Neither city's daylight saving schedule changes the offset between them.