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Chicago to Sydney time
Use TimeInOne to convert any local time in Chicago, United States to the corresponding time in Sydney, Australia.
The conversion uses America/Chicago and Australia/Sydney, including date-specific seasonal clock changes.
City Time Converter
Chicago to Sydney Time Converter
Convert Chicago, United States time to Sydney, Australia. Compare local times, working hours and recommended meeting slots.
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Locations
About Chicago and Sydney
Compare location details, time zones, populations and coordinates for both cities.
City information
Chicago
United States
- Country
- United States
- US
- Population
- 2,664,452
- Time zone
- America/Chicago
- Coordinates
- 41.8500° N
- 87.6500° W
City information
Sydney
Australia
- Country
- Australia
- AU
- Population
- 5,638,830
- Time zone
- Australia/Sydney
- Coordinates
- 33.8678° S
- 151.2073° E
Need the reverse conversion?
Convert Sydney time back to Chicago.
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FAQ
Chicago to Sydney time FAQ
Common questions about the time difference, daylight-saving rules and meeting hours between Chicago and Sydney.
What is the time difference between Chicago and Sydney?
Sydney is 15 hours ahead of Chicago. The exact difference can change during the year when one location changes its clocks before the other.
Is Sydney ahead of Chicago?
Yes. Sydney is currently 15 hours ahead of Chicago.
What time is 9:00 AM in Chicago in Sydney?
When it is 9:00 AM in Chicago, it is 12:00:00 AM in Sydney on the current reference date. The result can differ during another part of the year because of daylight-saving changes.
Do Chicago and Sydney observe daylight saving time?
Chicago, United States uses seasonal daylight-saving changes in its time-zone rules. Sydney, Australia uses seasonal daylight-saving changes in its time-zone rules. TimeInOne uses the IANA zones America/Chicago and Australia/Sydney for date-specific conversions.
What is the best meeting time between Chicago and Sydney?
There is no strict 9:00 AM to 6:00 PM overlap during the next 72 hours. TimeInOne recommends 4:00 PM in Chicago and 7:00 AM in Sydney, on Mon, Aug 17, as the best reasonable compromise. This is classified as “Working hours” in Chicago and “Early local time” in Sydney.