Time difference between Chicago and Sydney

Sydney is 17 hours ahead of Chicago.

United States · Central Standard Time

6:30 PM

Wednesday, November 11, 2026

Australia · Australian Eastern Daylight Time

11:30 AM

Thursday, November 12, 2026

Chicago to Sydney time converter

Green rows are office hours in both places; light green rows are when both are awake.

What is the time difference between Chicago and Sydney?

Sydney is 17 hours ahead of Chicago. Chicago is on UTC−6 and Sydney is on UTC+11.

What time is it in Sydney when it is 9 AM in Chicago?

When it is 9:00 AM in Chicago, it is 2:00 AM the next day in Sydney.

When is the best time to call Sydney from Chicago?

The best time to call or meet is 4:00 PM–6:00 PM in Chicago (9:00 AM–11:00 AM in Sydney), when both places are in normal office hours.

Which days are working days in both Chicago and Sydney?

Both Chicago and Sydney usually work Monday to Friday.

Does the time difference between Chicago and Sydney change?

Yes. Because of daylight saving time, the difference changes on Sunday, March 14, 2027, when Sydney will be 16 hours ahead of Chicago.

Chicago is 17 hours behind Sydney. More: time in Chicago · time in Sydney