Time now in O'Fallon, Illinois , United States

UTC-05:00 • America/Chicago (CDT)

Your device clock is 80ms behind of the detected local time (America/Chicago, UTC-05:00). Time reference obtained from NIST NTP servers with an accuracy of ±0.021 seconds.

11:28:37

Thursday, September 17, 2026, week 38

Country United States

State Illinois

Lat/Long 38.5923, -89.9112

Time Zone America/Chicago ( UTC-05:00 )

Country Code US

Population 29,002

Sunrise 6:41 AM

Sunset 7:06 PM

Day length 12 hours 24 minutes