AEST to CST
Convert Australian Eastern Time — Sydney to Central Time — Chicago — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Sydney, it's 6:00 PM in Chicago. Chicago is 15 hours behind Sydney. Use the converter above to turn any AEST time into CST, or scan the hour-by-hour table below for the full day.
AEST to CST at a glance
Planning a meeting between Sydney and Chicago
Sydney and Chicago share no standard 9-to-5 overlap, so a live call usually means one side taking an early-morning or late-evening slot. The hourly table below helps you pick the least-inconvenient time for everyone.
Hour-by-hour: Sydney to Chicago
A full day mapped from AEST to CST.
Frequently asked
Is Chicago ahead of or behind Sydney?
Chicago is 15 hours behind Sydney.
What is 12:00 PM AEST in CST?
12:00 PM in Sydney is 9:00 PM in Chicago.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so AEST and CST automatically reflect the correct daylight-saving offset for the current date.