Time difference between Sydney and Chicago
Chicago is 15 hours behind Sydney
Right now
Sydney
02:38
AEST ·
UTC+10
Chicago
11:38
CDT ·
UTC-5
Best time for a call between Sydney and Chicago
Hours highlighted in green work for everyone on the list.
- 08:00 Sydney 17:00 Chicago
- 07:00 Sydney 16:00 Chicago
- 09:00 Sydney 18:00 Chicago
Hour by hour: Sydney to Chicago
Working hours are shaded. The rows marked with a star are the ones we recommend for a call.
| Sydney (reference) | Chicago | |
|---|---|---|
| 00:00 | 09:00 (previous day) | |
| 01:00 | 10:00 (previous day) | |
| 02:00 | 11:00 (previous day) | |
| 03:00 | 12:00 (previous day) | |
| 04:00 | 13:00 (previous day) | |
| 05:00 | 14:00 (previous day) | |
| 06:00 | 15:00 (previous day) | |
| ★ | 07:00 | 16:00 (previous day) |
| ★ | 08:00 | 17:00 (previous day) |
| ★ | 09:00 | 18:00 (previous day) |
| 10:00 | 19:00 (previous day) | |
| 11:00 | 20:00 (previous day) | |
| 12:00 | 21:00 (previous day) | |
| 13:00 | 22:00 (previous day) | |
| 14:00 | 23:00 (previous day) | |
| 15:00 | 00:00 | |
| 16:00 | 01:00 | |
| 17:00 | 02:00 | |
| 18:00 | 03:00 | |
| 19:00 | 04:00 | |
| 20:00 | 05:00 | |
| 21:00 | 06:00 | |
| 22:00 | 07:00 | |
| 23:00 | 08:00 |
Table built for August 27, 2026. The live values above update in your browser.
Daylight saving time
Both cities change their clocks, but not always on the same date — the difference between them shifts for a few weeks each year.
Frequently asked questions
What is the time difference between Sydney and Chicago?
Chicago is 15 hours behind Sydney
What is the best time to call between Sydney and Chicago?
The most convenient slot is 08:00 Sydney / 17:00 Chicago. That keeps the call inside working hours in both cities.
Does the difference between Sydney and Chicago change during the year?
Both cities change their clocks, but not always on the same date — the difference between them shifts for a few weeks each year.