🇺🇸

Current Time in O'Fallon

Missouri, United States

CDTUTC-5MorningDST active
09:00:16

Wednesday, March 25, 2026

Central Daylight Time

Time Zone Details

Time Zone
CDT
Full Name
Central Daylight Time
UTC Offset
UTC-5
IANA Zone
America/Chicago
Country
🇺🇸 United States
DST Active
Yes — Daylight Saving Time is currently in effect
Region/State
Missouri

Daylight Saving Time: O'Fallon is currently observing DST. Clocks were moved forward 1 hour from standard time.

About O'Fallon Time Zone

O'Fallon is located in United States (Missouri) and observes the America/Chicago time zone. The current UTC offset is UTC-5. Currently observing DST — clocks are 1 hour ahead of standard time (UTC-6 standard).

CST time zone page
Missouri state page
Central Time Zone hub
DST calendar
All US cities
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Quick Time Conversions from O'Fallon (CST)

Common hours converted to major time zones — click to see full detail

CSTUTCGMTESTEDTCDT
9 AM3 PM3 PM10 AM11 AM10 AM
12 PM6 PM6 PM1 PM2 PM1 PM
3 PM9 PM9 PM4 PM5 PM4 PM
5 PM11 PM11 PM6 PM7 PM6 PM
8 PM2 AM+1d2 AM+1d9 PM10 PM9 PM
View full CST → UTC conversion chart →

Time Zone Converters from O'Fallon (CST)

CST → UTC
CST → GMT
CST → EST
CST → EDT
CST → CDT
CST → MST
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