Local Time in O'Fallon, United States
7°C / 45°F · Clear sky
Outside business hoursDaylight Saving Time activeDST ends Nov 1
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Your Time
- IANA Zone
- America/Chicago
- Country
- United States
- Continent
- North America
Latest news in O'Fallon
- Jackson Burke Obituary (2026) - Wentzville, MO - Baue Funeral Home - O'FallonLegacy | Obituary · 3d ago
- Justice Department probes O’Fallon schools; Illinois Democrats call it a ‘sham’Belleville News-Democrat · 170d ago
- Florissant man detained by ICE after traffic stop to be deported after 26 years in U.S.STLPR · 150d ago
- National wiffleball championship bringing top teams to O'Fallon, MissouriKSDK · 68d ago
- London parade invites O’Fallon High School band to UKFOX 2 · 34d ago
Headlines via Google News.
Local Vibe
O'Fallon is a city in St. Clair County, Illinois, United States. The 2020 census listed the population at 32,289. The city is the second largest city in the Metro East region and Southern Illinois. It sits 5 miles (8.0 km) from Scott Air Force Base and 18 miles (29 km) from Downtown St. Louis.
O'Fallon on WikipediaPhotos via Wikimedia Commons
Map data via OpenStreetMapView larger map
O'Fallon vs. major world hubs
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- UTC-5 hours
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- O'Fallon0
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Compare O'Fallon With Other Cities
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Frequently Asked Questions
- What time is it in O'Fallon right now?
- The current time in O'Fallon, United States is 08:45:34 AM (CDT), which is UTC-5.
- What time zone is O'Fallon in?
- O'Fallon uses the America/Chicago time zone (IANA identifier), currently abbreviated CDT, UTC-5.
- Does O'Fallon observe daylight saving time?
- Yes. O'Fallon observes daylight saving time, and is currently in daylight saving time. The next change is on November 1, 2026.
- What is the UTC offset in O'Fallon?
- O'Fallon is currently UTC-5 relative to Coordinated Universal Time (UTC).