City time converter
Sydney to Chicago Time
Chicago is usually 17 or 16 or 15 hours behind Sydney, depending on daylight saving time. The exact clock times depend on the date and daylight saving status in each city.
Date Time Encyclopedia answer, with calculation details and assumptions below.
Date Time Encyclopedia compares Sydney, Australia (Australia/Sydney) with Chicago, United States (America/Chicago). Daylight saving changes follow the IANA time zone identifiers shown here.
Snapshot
Sydney to Chicago Time
Chicago is usually 17 or 16 or 15 hours behind Sydney, depending on daylight saving time. The exact clock times depend on the date and daylight saving status in each city.
Date Time Encyclopedia compares Sydney, Australia (Australia/Sydney) with Chicago, United States (America/Chicago). Daylight saving changes follow the IANA time zone identifiers shown here.
- Time difference
- Chicago is usually 17 or 16 or 15 hours behind Sydney, depending on daylight saving time
- From time zone
- Australia/Sydney
- To time zone
- America/Chicago
- DST basis
- IANA time zone identifiers
Method
Compare the UTC offsets used by both cities across representative dates in the year, then state the stable difference or the daylight-saving range.
Meeting-time context
Sydney to Chicago Time compares both cities at the same UTC instant. This avoids guessing from abbreviations alone and follows IANA daylight saving rules for the selected locations.
Reverse and related time lookups
Use the reverse route or timestamp converter when you need to verify the same instant from another starting point.
Related Lookups
FAQ
What is the time difference between Sydney and Chicago?
Chicago is usually 17 or 16 or 15 hours behind Sydney, depending on daylight saving time
Does this account for daylight saving time?
Yes. The comparison uses Australia/Sydney and America/Chicago, so daylight saving changes follow the IANA rules for those locations.
Why can the offset change during the year?
Some cities observe daylight saving time while others do not, and transition dates can differ by country.