Chicago to Sydney Time
Sydney is 17 hours ahead of Chicago. It is Thursday 2:49 PM in Chicago and Friday 7:49 AM in Sydney.
Clock changes, meeting times and hour chart
Through the year
Sydney is 15 hours ahead of Chicago for about 6 months, and 17 hours ahead for about 4 months, and 16 hours ahead for about 2 months.
- Sunday, March 14, 2027
Chicago clocks go forward (CST → CDT)Sydney 16 hours ahead - Sunday, April 4, 2027
Sydney clocks go back (AEDT → AEST)Sydney 15 hours ahead - Sunday, October 3, 2027
Sydney clocks go forward (AEST → AEDT)Sydney 16 hours ahead - Sunday, November 7, 2027
Chicago clocks go back (CDT → CST)Sydney 17 hours ahead - Sunday, March 12, 2028
Chicago clocks go forward (CST → CDT)Sydney 16 hours ahead - Sunday, April 2, 2028
Sydney clocks go back (AEDT → AEST)Sydney 15 hours ahead
Best times to meet
- Early for one, late for the otherSydney 15 hours ahead, about 6 months5 PM–8 PM Chicago
8 AM–11 AM the next day Sydney - Both at work (9 to 5)Sydney 17 hours ahead, about 4 months4 PM–5 PM Chicago
9 AM–10 AM the next day Sydney - Early for one, late for the otherSydney 16 hours ahead, about 2 months4 PM–8 PM Chicago
8 AM–12 PM the next day Sydney
Hour by hour
About 6 months
| Chicago | Sydney |
|---|---|
| 12:00 AM, Night | 3:00 PM, Working hours |
| 1:00 AM, Night | 4:00 PM, Working hours |
| 2:00 AM, Night | 5:00 PM, Awake |
| 3:00 AM, Night | 6:00 PM, Awake |
| 4:00 AM, Night | 7:00 PM, Awake |
| 5:00 AM, Night | 8:00 PM, Awake |
| 6:00 AM, Night | 9:00 PM, Awake |
| 7:00 AM, Awake | 10:00 PM, Awake |
| 8:00 AM, Awake | 11:00 PM, Night |
| 9:00 AM, Working hours | 12:00 AM next day, Night |
| 10:00 AM, Working hours | 1:00 AM next day, Night |
| 11:00 AM, Working hours | 2:00 AM next day, Night |
| 12:00 PM, Working hours | 3:00 AM next day, Night |
| 1:00 PM, Working hours | 4:00 AM next day, Night |
| 2:00 PM, Working hours | 5:00 AM next day, Night |
| 3:00 PM, Working hours | 6:00 AM next day, Night |
| 4:00 PM, Working hours | 7:00 AM next day, Awake |
| 5:00 PM, Awake | 8:00 AM next day, Awake |
| 6:00 PM, Awake | 9:00 AM next day, Working hours |
| 7:00 PM, Awake | 10:00 AM next day, Working hours |
| 8:00 PM, Awake | 11:00 AM next day, Working hours |
| 9:00 PM, Awake | 12:00 PM next day, Working hours |
| 10:00 PM, Awake | 1:00 PM next day, Working hours |
| 11:00 PM, Night | 2:00 PM next day, Working hours |
Questions
If it is 8:00 PM in Chicago, what time is it in Sydney?
11:00 AM the next day in Sydney for about 6 months, or 1:00 PM the next day for about 4 months, or 12:00 PM the next day for about 2 months.
If it is 8:00 PM in Sydney, what time is it in Chicago?
5:00 AM in Chicago for about 6 months, or 3:00 AM for about 4 months, or 4:00 AM for about 2 months.
Do Chicago and Sydney change their clocks on the same day?
No. Chicago is on Central Time: CST (UTC−6) in winter, CDT (UTC−5) from the second Sunday in March to the first Sunday in November. Sydney is on AEST (UTC+10) from the first Sunday in April and AEDT (UTC+11) from the first Sunday in October: its summer is the northern winter.
Which other places have the same time as Chicago and Sydney?
As Chicago: Dallas, Houston, Austin, San Antonio, Minneapolis, New Orleans, St. Louis, most of Texas, Illinois, Minnesota, Louisiana, Oklahoma and Wisconsin. As Sydney: Melbourne, Canberra, Hobart, New South Wales, Victoria, the ACT and Tasmania (not Brisbane, which stays on AEST). The difference is the same from any of them.