AST to CST
Convert Arabia Time — Riyadh to Central Time — Chicago — fast, accurate, and daylight-saving aware.
When it's 9:00 AM in Riyadh, it's 1:00 AM in Chicago. Chicago is 8 hours behind Riyadh. Use the converter above to turn any AST time into CST, or scan the hour-by-hour table below for the full day.
AST to CST at a glance
Planning a meeting between Riyadh and Chicago
Riyadh 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: Riyadh to Chicago
A full day mapped from AST to CST.
Frequently asked
Is Chicago ahead of or behind Riyadh?
Chicago is 8 hours behind Riyadh.
What is 12:00 PM AST in CST?
12:00 PM in Riyadh is 4:00 AM in Chicago.
Does this converter account for daylight saving time?
Yes. Conversions use the IANA time zone database, so AST and CST automatically reflect the correct daylight-saving offset for the current date.