Chicago to Sydney
Sydney is 15 hours ahead of Chicago.
Chicago
United States
Day
Difference
Sydney
Australia
Day
Hour-by-hour conversion
Every hour of the day in Chicago with its equivalent in Sydney. Green rows fall inside business hours for both.
About the Chicago-Sydney gap
Chicago sits in the America/Chicago time zone (CDT), while Sydney uses Australia/Sydney (UTC+10). That puts Sydney 15 hours ahead of Chicago right now.
Standard working hours in these two cities do not overlap at all, so any live meeting requires someone to move outside 09:00-17:00. The table above marks the hours when both parties are at least likely to be awake.
Related comparisons
- Sydney to Chicago
- Chicago to Cardiff
- Chicago to London
- Chicago to New York
- Chicago to Los Angeles
- Chicago to São Paulo
- Chicago to Paris
See also current time in Chicago and current time in Sydney.
Chicago and Sydney, questions
- What is the time difference between Chicago and Sydney?
- Sydney is 15 hours ahead of Chicago. Chicago is currently on CDT and Sydney on UTC+10.
- What is the best time to call Sydney from Chicago?
- There is no overlap between standard 09:00-17:00 working hours in these two cities. The most workable compromise is usually early morning in Chicago or late evening, see the hour-by-hour table above for the times when both parties are at least awake.
- Is the difference between Chicago and Sydney always the same?
- The gap is mostly stable, but if both cities observe daylight saving they may not switch on the same date, there are usually a few weeks each spring and autumn when the difference shifts by an hour.