Time difference between Chicago and Sydney

Sydney is 16 hours ahead of Chicago.

United States · Central Daylight Time

2:42 AM

Wednesday, October 21, 2026

Australia · Australian Eastern Daylight Time

6:42 PM

Wednesday, October 21, 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 16 hours ahead of Chicago. Chicago is on UTC−5 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 1:00 AM the next day in Sydney.

When is the best time to call Sydney from Chicago?

The best time to call or meet is 5:00 PM–6:00 PM in Chicago (9:00 AM–10:00 AM in Sydney), when both places are in normal office hours.

Does the time difference between Chicago and Sydney change?

Yes. Because of daylight saving time, the difference changes on Sunday, November 1, 2026, when Sydney will be 17 hours ahead of Chicago.

Chicago is 16 hours behind Sydney. More: time in Chicago · time in Sydney