Sydney to Chicago Time Difference
Sydney is 15 hours ahead of Chicago. See live clocks for both cities and an hour-by-hour meeting planner to find the best time to talk between Sydney and Chicago.
Meeting planner: Sydney ↔ Chicago
Green rows are comfortable hours (9am–6pm) in both cities — the best times to talk.
| Sydney | Chicago |
|---|---|
| 00:00 | 09:00 −1d |
| 01:00 | 10:00 −1d |
| 02:00 | 11:00 −1d |
| 03:00 | 12:00 −1d |
| 04:00 | 13:00 −1d |
| 05:00 | 14:00 −1d |
| 06:00 | 15:00 −1d |
| 07:00 | 16:00 −1d |
| 08:00 | 17:00 −1d |
| 09:00 | 18:00 −1d |
| 10:00 | 19:00 −1d |
| 11:00 | 20:00 −1d |
| 12:00 | 21:00 −1d |
| 13:00 | 22:00 −1d |
| 14:00 | 23:00 −1d |
| 15:00 | 00:00 |
| 16:00 | 01:00 |
| 17:00 | 02:00 |
| 18:00 | 03:00 |
| 19:00 | 04:00 |
| 20:00 | 05:00 |
| 21:00 | 06:00 |
| 22:00 | 07:00 |
| 23:00 | 08:00 |
Time difference between Sydney and Chicago
Sydney is 15 hours ahead of Chicago. Sydney is in the AEST time zone and Chicago is in CDT. The clocks above are live, so the difference is always up to date — including when either city is on daylight saving time.
Frequently asked questions
What is the time difference between Sydney and Chicago?
Sydney is 15 hours ahead of Chicago.
When it is noon in Sydney, what time is it in Chicago?
Use the planner above — read across from 12:00 in the Sydney column to the Chicago column.
What is the best time to schedule a call between Sydney and Chicago?
The green rows in the planner show hours that fall within 9am–6pm in both cities — those are the most convenient times for a meeting.
Does this account for daylight saving time?
Yes — the clocks and difference use live time-zone data, so they adjust automatically when either city changes its clocks.