Chicago to Sydney Time Converter
Sydney is 17 hours ahead of Chicago right now. 9:00 AM in Chicago is 2:00 AM in Sydney (next day).
Time now: Chicago and Sydney
Sydney is 17 hours ahead of Chicago right now. The gap is not fixed: it is 15 hours at some times of the year and 17 hours at others, because at least one of them changes its clocks for daylight saving time.
Chicago and Sydney are about 14,874 km (9,242 miles) apart in a straight line. Right now Chicago is on CST (UTC-06:00) and Sydney is on AEDT (UTC+11:00).
Chicago to Sydney conversion table
Every hour of the day, using today's time difference.
| Chicago | Sydney |
|---|---|
| 12:00 AM | 5:00 PM |
| 1:00 AM | 6:00 PM |
| 2:00 AM | 7:00 PM |
| 3:00 AM | 8:00 PM |
| 4:00 AM | 9:00 PM |
| 5:00 AM | 10:00 PM |
| 6:00 AM | 11:00 PM |
| 7:00 AM | 12:00 AMnext day |
| 8:00 AM | 1:00 AMnext day |
| 9:00 AM | 2:00 AMnext day |
| 10:00 AM | 3:00 AMnext day |
| 11:00 AM | 4:00 AMnext day |
| 12:00 PM | 5:00 AMnext day |
| 1:00 PM | 6:00 AMnext day |
| 2:00 PM | 7:00 AMnext day |
| 3:00 PM | 8:00 AMnext day |
| 4:00 PM | 9:00 AMnext day |
| 5:00 PM | 10:00 AMnext day |
| 6:00 PM | 11:00 AMnext day |
| 7:00 PM | 12:00 PMnext day |
| 8:00 PM | 1:00 PMnext day |
| 9:00 PM | 2:00 PMnext day |
| 10:00 PM | 3:00 PMnext day |
| 11:00 PM | 4:00 PMnext day |
Best time to meet between Chicago and Sydney
Working hours overlap (9 AM – 6 PM in both places):
- 4:00 PM – 6:00 PM Chicago = 9:00 AM – 11:00 AM Sydney
The time difference changes during the year because of daylight saving time, so these windows shift by an hour at other times.
Does the time difference between Chicago and Sydney change?
Yes. Right now Sydney is 17 hours ahead of Chicago. These are the dates in the next 12 months when the gap changes:
- Sunday, 14 March 2027: Chicago moves its clocks forward. Sydney is 16 hours ahead of Chicago from then (it was 17 hours before).
- Sunday, 4 April 2027: Sydney moves its clocks back. Sydney is 15 hours ahead of Chicago from then (it was 16 hours before).
- Sunday, 3 October 2027: Sydney moves its clocks forward. Sydney is 16 hours ahead of Chicago from then (it was 15 hours before).
- Sunday, 7 November 2027: Chicago moves its clocks back. Sydney is 17 hours ahead of Chicago from then (it was 16 hours before).
Office hours in each other's time
- 9 AM to 6 PM in Chicago is 2:00 AM (next day) to 11:00 AM (next day) in Sydney.
- 9 AM to 6 PM in Sydney is 4:00 PM (previous day) to 1:00 AM in Chicago.
Based on today's clock settings.
Frequently asked questions
What is the time difference between Chicago and Sydney?
Sydney is 17 hours ahead of Chicago right now. The gap is not fixed: it is 15 hours at some times of the year and 17 hours at others, because at least one of them changes its clocks for daylight saving time.
How do I convert Chicago to Sydney?
Add 17 hours to the Chicago time to get the Sydney time (at today's difference). 9:00 AM in Chicago is 2:00 AM in Sydney (next day). Or use the converter above and pick any date and time.
What is the current time in Sydney?
It is 12:07 PM in Sydney on Tuesday, November 10 (the converter above shows it live). At the same moment it is 7:07 PM in Chicago.
Does the time difference between Chicago and Sydney change during the year?
Yes. Right now Sydney is 17 hours ahead of Chicago. Over the next 12 months the gap changes 4 times: Sunday, 14 March 2027: Chicago moves its clocks forward. Sydney is 16 hours ahead of Chicago from then (it was 17 hours before). Sunday, 4 April 2027: Sydney moves its clocks back. Sydney is 15 hours ahead of Chicago from then (it was 16 hours before). Sunday, 3 October 2027: Sydney moves its clocks forward. Sydney is 16 hours ahead of Chicago from then (it was 15 hours before). Sunday, 7 November 2027: Chicago moves its clocks back. Sydney is 17 hours ahead of Chicago from then (it was 16 hours before).
What is the best time for a meeting between Chicago and Sydney?
Between 9 AM and 6 PM in both places you can meet at 4:00 PM – 6:00 PM Chicago = 9:00 AM – 11:00 AM Sydney. Check the overlap section on this page for every option.