Chicago to Sydney time
Sydney is 17 hours ahead of Chicago.
Time difference between Chicago and Sydney
Sydney is 17 hours ahead of Chicago. Chicago is on Central Standard Time (CST (UTC−06:00)) and Sydney is on Australian Eastern Daylight Time (UTC+11:00).
The gap is not constant. Because of daylight saving it varies from 15 hours to 17 hours over the year.
Convert Chicago time to Sydney time
These examples use the current offsets, UTC−06:00 for Chicago and UTC+11:00 for Sydney. Use the converter above for any other time or date.
Sydney is ahead, so from 7:00 AM to midnight in Chicago it is already the next calendar day in Sydney.
| Chicago time | Sydney time |
|---|---|
| 6:00 AM | 11:00 PM |
| 9:00 AM | 2:00 AM (next day) |
| 12:00 PM | 5:00 AM (next day) |
| 3:00 PM | 8:00 AM (next day) |
| 6:00 PM | 11:00 AM (next day) |
| 9:00 PM | 2:00 PM (next day) |
Best time to call or meet: Chicago and Sydney working hours
Taking 9:00 AM to 5:00 PM, Monday to Friday, as business hours, both cities are at work from 4:00 PM to 5:00 PM in Chicago (9:00 AM to 10:00 AM in Sydney). That is one hour of shared working time each weekday.
Weekends, public holidays and local working weeks differ by country, so check those before booking.
Daylight saving time in Chicago and Sydney
Chicago observes daylight saving time. Its next change is on Mar 14, 2027 at 2:00 AM, when clocks go forward 1 hour (UTC−06:00 to UTC−05:00).
Sydney observes daylight saving time. Its next change is on Apr 4, 2027 at 3:00 AM, when clocks go back 1 hour (UTC+11:00 to UTC+10:00).
Chicago and Sydney change their clocks on different dates, so the time difference between them shifts for a few weeks around those changes. Check the converter for the exact date you need.