Time difference between Chicago and Sydney
Compare the current local time in Chicago and Sydney, see when your working hours overlap, and convert any specific hour between the two timezones.
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Convert a specific time
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Working-hours overlap
When Chicago's 9:00–17:00 business hours overlap with Sydney's.
Chicago working hours
Sydney working hours
Overlap (both working)
🇺🇸 Chicago
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🇦🇺 Sydney
Scheduling across Chicago and Sydney
Scheduling between Chicago and Sydney is hard. Their standard business hours do not overlap on the same day, with the smallest gap running 1 hour between Chicago closing at 17:00 local and Sydney opening at 09:00 local. Practical bridging slots: an early Sydney start at 08:00 (catching Chicago just at close, 17:00), or a late Chicago call at 18:00 (catching Sydney at opening, 09:00).
Quick reference
| 🇺🇸 Chicago | 🇦🇺 Sydney | In Sydney it's… |
|---|---|---|
| 06:00 — Early morning | — | — |
| 09:00 — Start of work | — | — |
| 12:00 — Lunchtime | — | — |
| 15:00 — Mid-afternoon | — | — |
| 17:00 — End of work | — | — |
| 20:00 — Evening | — | — |
Daylight saving status
🇺🇸 Chicago
Currently in CDT (daylight saving)
Clocks go back to CST
on Sunday 1 November 2026
🇦🇺 Sydney
Currently in AEST (standard time)
Clocks go forward to AEDT
on Saturday 3 October 2026