Chicago and Sydney time difference
Sydney is 15 hours ahead of Chicago for most of the year.
Plan a meeting in Chicago and SydneyOpens the free planner with both cities: drag the bands to any day and time, add more cities, and share the result.
Their 09:00–17:00 work days do not overlap: 09:00 in Chicago is 00:00 in Sydney, and 17:00 in Chicago is 08:00 there. A meeting needs an early start or a late finish on one side.
Hour by hour
On a usual work day (April 7, 2027). Green is 09:00–17:00 work time, dark is night (21:00–07:00).
| Chicago | Sydney |
|---|---|
| , Night | , Work hours |
| , Night | , Work hours |
| , Night | , Off hours |
| , Night | , Off hours |
| , Night | , Off hours |
| , Night | , Off hours |
| , Night | , Night |
| , Off hours | , Night |
| , Off hours | , Night |
| , Work hours | next day, Night |
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| , Work hours | next day, Night |
| , Work hours | next day, Night |
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| , Work hours | next day, Night |
| , Work hours | next day, Night |
| , Work hours | next day, Off hours |
| , Off hours | next day, Off hours |
| , Off hours | next day, Work hours |
| , Off hours | next day, Work hours |
| , Off hours | next day, Work hours |
| , Night | next day, Work hours |
| , Night | next day, Work hours |
| , Night | next day, Work hours |
Through the year
| Dates | Difference |
|---|---|
| October 8, 2026–October 31, 2026 | Sydney is 16 hours ahead of Chicago |
| November 1, 2026–March 13, 2027 | Sydney is 17 hours ahead of Chicago |
| March 14, 2027–April 3, 2027 | Sydney is 16 hours ahead of Chicago |
| April 4, 2027–October 2, 2027 | Sydney is 15 hours ahead of Chicago |
| October 3, 2027–October 7, 2027 | Sydney is 16 hours ahead of Chicago |
Clock changes
Chicago: November 1, 2026: clocks go back 1 hour; March 14, 2027: clocks go forward 1 hour.
Sydney: April 4, 2027: clocks go back 1 hour; October 3, 2027: clocks go forward 1 hour.
Questions
What time is it in Sydney when it is 09:00 in Chicago?
On a usual day it is 00:00 in Sydney.
Do Chicago and Sydney change their clocks on the same day?
No. They change on different dates, so the difference changes during the year; see the table above.
More comparisons
Chicago
- Chicago and New York
- Chicago and Los Angeles
- Chicago and Toronto
- Chicago and Vancouver
- Chicago and Mexico City
- Chicago and São Paulo
- Buenos Aires and Chicago
- Chicago and London
- Chicago and Paris
- Berlin and Chicago
- Chicago and Madrid
- Chicago and Warsaw
- Chicago and Istanbul
- Chicago and Moscow
- Cairo and Chicago
- Chicago and Lagos
- Chicago and Johannesburg
- Chicago and Tel Aviv
- Chicago and Dubai
- Chicago and Karachi
- Chicago and Mumbai
- Bangkok and Chicago
- Chicago and Singapore
- Chicago and Hong Kong
- Chicago and Shanghai
- Chicago and Seoul
- Chicago and Tokyo
- Auckland and Chicago
Sydney
- New York and Sydney
- Los Angeles and Sydney
- Sydney and Toronto
- Sydney and Vancouver
- Mexico City and Sydney
- São Paulo and Sydney
- Buenos Aires and Sydney
- London and Sydney
- Paris and Sydney
- Berlin and Sydney
- Madrid and Sydney
- Sydney and Warsaw
- Istanbul and Sydney
- Moscow and Sydney
- Cairo and Sydney
- Lagos and Sydney
- Johannesburg and Sydney
- Sydney and Tel Aviv
- Dubai and Sydney
- Karachi and Sydney
- Mumbai and Sydney
- Bangkok and Sydney
- Singapore and Sydney
- Hong Kong and Sydney
- Shanghai and Sydney
- Seoul and Sydney
- Sydney and Tokyo
- Auckland and Sydney