Chicago to Sydney time difference
Live time in both cities, a conversion table and the best hours to call.
Sydney is 16 hours ahead of Chicago right now. It is 17 hours ahead in January and 15 hours ahead in July. When it is 9:00 AM in Chicago, it is 2:00 AM (winter) or 12:00 AM (summer) in Sydney.
Today, hour by hour
| Chicago | Sydney |
|---|
Green rows are inside 9 AM–5 PM in both places.
Chicago to Sydney time table
| Chicago | Sydney (January) | Sydney (July) |
|---|---|---|
| 12:00 AM | 5:00 PM | 3:00 PM |
| 1:00 AM | 6:00 PM | 4:00 PM |
| 2:00 AM | 7:00 PM | 5:00 PM |
| 3:00 AM | 8:00 PM | 6:00 PM |
| 4:00 AM | 9:00 PM | 7:00 PM |
| 5:00 AM | 10:00 PM | 8:00 PM |
| 6:00 AM | 11:00 PM | 9:00 PM |
| 7:00 AM | 12:00 AM (+1 day) | 10:00 PM |
| 8:00 AM | 1:00 AM (+1 day) | 11:00 PM |
| 9:00 AM | 2:00 AM (+1 day) | 12:00 AM (+1 day) |
| 10:00 AM | 3:00 AM (+1 day) | 1:00 AM (+1 day) |
| 11:00 AM | 4:00 AM (+1 day) | 2:00 AM (+1 day) |
| 12:00 PM | 5:00 AM (+1 day) | 3:00 AM (+1 day) |
| 1:00 PM | 6:00 AM (+1 day) | 4:00 AM (+1 day) |
| 2:00 PM | 7:00 AM (+1 day) | 5:00 AM (+1 day) |
| 3:00 PM | 8:00 AM (+1 day) | 6:00 AM (+1 day) |
| 4:00 PM | 9:00 AM (+1 day) | 7:00 AM (+1 day) |
| 5:00 PM | 10:00 AM (+1 day) | 8:00 AM (+1 day) |
| 6:00 PM | 11:00 AM (+1 day) | 9:00 AM (+1 day) |
| 7:00 PM | 12:00 PM (+1 day) | 10:00 AM (+1 day) |
| 8:00 PM | 1:00 PM (+1 day) | 11:00 AM (+1 day) |
| 9:00 PM | 2:00 PM (+1 day) | 12:00 PM (+1 day) |
| 10:00 PM | 3:00 PM (+1 day) | 1:00 PM (+1 day) |
| 11:00 PM | 4:00 PM (+1 day) | 2:00 PM (+1 day) |
When the difference changes
| Dates | Difference |
|---|---|
| Oct 9, 2026 – Oct 31, 2026 | Sydney is 16 hours ahead of Chicago |
| Nov 1, 2026 – Mar 13, 2027 | Sydney is 17 hours ahead of Chicago |
| Mar 14, 2027 – Apr 3, 2027 | Sydney is 16 hours ahead of Chicago |
| Apr 4, 2027 – Oct 2, 2027 | Sydney is 15 hours ahead of Chicago |
| Oct 3, 2027 – Nov 6, 2027 | Sydney is 16 hours ahead of Chicago |
| Nov 7, 2027 – Dec 31, 2027 | Sydney is 17 hours ahead of Chicago |
Chicago uses daylight saving time. Next clock changes: Nov 1, 2026 (to UTC-6), Mar 14, 2027 (to UTC-5). Sydney uses daylight saving time. Next clock changes: Apr 4, 2027 (to UTC+10), Oct 3, 2027 (to UTC+11).
Best time to call Sydney, Australia from Chicago
- January: shared 9-to-5 hours are 4:00 PM–5:00 PM in Chicago (9:00 AM–10:00 AM in Sydney).
- July: no shared 9-to-5 hours. Workable window (7 AM–10 PM for both): 4:00 PM–10:00 PM in Chicago (7:00 AM–1:00 PM in Sydney).
Sydney vs other US time zones
| US city | January | July |
|---|---|---|
| New York | 16 hours ahead | 14 hours ahead |
| Chicago | 17 hours ahead | 15 hours ahead |
| Denver | 18 hours ahead | 16 hours ahead |
| Phoenix | 18 hours ahead | 17 hours ahead |
| Los Angeles | 19 hours ahead | 17 hours ahead |
Convert a different date with the time zone converter, or plan a call with the meeting planner.
Frequently asked questions
What is the time difference between Chicago and Sydney?
Sydney is 17 hours ahead of Chicago in January and 15 hours ahead in July.
If it is 8 PM in Chicago, what time is it in Sydney?
1:00 PM in winter and 11:00 AM in summer.
Does Sydney use daylight saving time?
Sydney uses daylight saving time. Next clock changes: Apr 4, 2027 (to UTC+10), Oct 3, 2027 (to UTC+11).