O'Fallon is in United States, timezone America/Chicago, at 38.5974°, -89.9148° with ~32.1K people. The UTC-5 offset is shared with nearby cities. O'Fallon observes Daylight Saving Time. See the time difference table below to compare with major cities.
Time Difference from O'Fallon
| City | Time | Diff |
|---|---|---|
| New York | --:-- | +1h |
| London | --:-- | +5h |
| Paris | --:-- | +6h |
| Tokyo | --:-- | +14h |
| Dubai | --:-- | +9h |
| Sydney | --:-- | +16h |
Nearby Cities
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Fairview Heights
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Swansea
IL, United States
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Belleville
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Collinsville
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Mascoutah
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Troy
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Glen Carbon
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Same Timezone (America/Chicago)
Chicago
IL, United States
Houston
TX, United States
Dallas
TX, United States
Minneapolis
MN, United States
St. Louis
MO, United States
San Antonio
TX, United States
FAQ
What time is it in O'Fallon?▼
Shown above using America/Chicago (UTC-5).
What timezone does O'Fallon use?▼
America/Chicago, UTC-5.
Does O'Fallon observe DST?▼
O'Fallon observes Daylight Saving Time.
Population of O'Fallon?▼
Approximately 32,139.
Map of O'Fallon