Chicago vs Sydney
Live local times and 24-hour overlap for Chicago (United States) and Sydney (Australia). Time difference is currently 15 hours.
United States
Chicago
1:05 PM
UTC-05:00 · CDT· DST shifts
Australia
Sydney
4:05 AM
UTC+10:00 · GMT+10· DST shifts
Best overlap
Best overlap: 7:00 PM–7:00 PM Chicago time (1/2 zones in business hours).
UTC 0:00–1:00
- Chicago7:00 PM–7:00 PM
- Sydney10:00 AM–10:00 AM
24-hour grid
Local time in each city for every UTC hour today. Business hours (9–17 local) highlighted.
| UTC | Chicago | Sydney |
|---|---|---|
| 00:00 | 7:00 PM | 10:00 AM |
| 01:00 | 8:00 PM | 11:00 AM |
| 02:00 | 9:00 PM | 12:00 PM |
| 03:00 | 10:00 PM | 1:00 PM |
| 04:00 | 11:00 PM | 2:00 PM |
| 05:00 | 12:00 AM | 3:00 PM |
| 06:00 | 1:00 AM | 4:00 PM |
| 07:00 | 2:00 AM | 5:00 PM |
| 08:00 | 3:00 AM | 6:00 PM |
| 09:00 | 4:00 AM | 7:00 PM |
| 10:00 | 5:00 AM | 8:00 PM |
| 11:00 | 6:00 AM | 9:00 PM |
| 12:00 | 7:00 AM | 10:00 PM |
| 13:00 | 8:00 AM | 11:00 PM |
| 14:00 | 9:00 AM | 12:00 AM |
| 15:00 | 10:00 AM | 1:00 AM |
| 16:00 | 11:00 AM | 2:00 AM |
| 17:00 | 12:00 PM | 3:00 AM |
| 18:00 | 1:00 PM | 4:00 AM |
| 19:00 | 2:00 PM | 5:00 AM |
| 20:00 | 3:00 PM | 6:00 AM |
| 21:00 | 4:00 PM | 7:00 AM |
| 22:00 | 5:00 PM | 8:00 AM |
| 23:00 | 6:00 PM | 9:00 AM |
About
About the Chicago–Sydney time difference
The time difference is currently 15 hours. Chicago uses America/Chicago (UTC-05:00) while Sydney uses Australia/Sydney (UTC+10:00).
The gap can shift by an hour when one city observes Daylight Saving Time and the other doesn't. AllTimeZone always reflects the current correct difference, drawn live from the IANA timezone database.
FAQ
What is the time difference between Chicago and Sydney?
The current time difference between Chicago and Sydney is 15 hours. Chicago is in the America/Chicago timezone (UTC-05:00) and Sydney is in the Australia/Sydney timezone (UTC+10:00). This difference may change seasonally due to Daylight Saving Time.
What is the best time to call between Chicago and Sydney?
Best overlap: 7:00 PM–7:00 PM Chicago time (1/2 zones in business hours). The best meeting window is UTC 0:00–1:00.
Does the time difference between Chicago and Sydney change?
Yes, the time difference can change temporarily when one location switches to or from Daylight Saving Time (DST) while the other does not. Not all countries observe DST, and those that do switch on different dates.