The time zone coordinates for O'fallon, Missouri, United States
| Location Time | O'fallon, Missouri, United States |
|---|---|
| Country Code | US |
| Country Name | United States |
| Time Zone | America/Chicago time zone is UTC -05:00 |
| Region Name | Missouri |
| Latitude | 38.7472 |
| Longitude | -90.7247 |
| UTC | UTC -05:00 |
| Currency in this region | USD |
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