Right now, local time in O'Fallon is 17:13 (CST, UTC-06:00), and today is Monday, November 2, 2026. The live clock above updates every second.
O'Fallon ranks #7370 worldwide by population and #463 in United States.
Time zone info
- Time zone
- America/Chicago CST
- UTC offset
- UTC-06:00
- Daylight saving
- Yes, in force now ✅ — Clocks go forward by 1 hour on March 14, 2027
- Solar time
- Clocks run about 13m ahead of the sun
- ISO week
- Week 45
Sunrise, sunset & moon today
- Sunrise
- 06:32
- Sunset
- 17:03
- Day length
- 10h 31m
- Solar noon
- 11:47
- Daylight range
- 9h 27m (winter) – 14h 53m (summer)
- Moon phase
- 🌗 Last Quarter · 45% illuminated
Full sunrise & sunset timetable for O'Fallon — golden hour, twilight and month view →
📍 Location & geography
- Coordinates
- 38.8106° N, 90.6998° W
- Hemisphere
- Northern · Western
- Elevation
- 165 m above sea level — higher than about 43% of cities with a recorded elevation
- Region
- Missouri
- Country
- 🇺🇸 United States
- Population
- 85,040 · #7370 worldwide
🌍 Antipode — the opposite side of the Earth
Dig straight down from O'Fallon through the centre of the Earth and you surface on the far side of the planet, at the antipode.
- Antipode coordinates
- 38.81° S, 89.30° E
- Hemisphere
- Southern · Eastern
- What lies there
- Open ocean or remote wilderness — the nearest city we track is Port-aux-Français, French Southern Territories, 1,913 km away
- Through the Earth
- ≈ 12,742 km in a straight line (≈ 20,015 km along the surface)
🕌 Prayer times in O'Fallon today ISNA
- Fajr
- 05:16
- Sunrise
- 06:31
- Dhuhr
- 11:47
- Asr
- 14:38
- Maghrib
- 17:01
- Isha
- 18:16
- Qibla direction
- 46.8° from north (NE (47°))
Full prayer timetable for O'Fallon — this month, 7-day forecast and Qibla →
O'Fallon sits in the America/Chicago time zone, UTC-06:00. The clocks are currently shifted forward for daylight saving time. Today brings 10h 31m of daylight, and nights are longer than days. It is one of the 17343 cities we cover in United States.
O'Fallon sits at just 165 m above sea level. O'Fallon's nearest major hub of the ones tracked below is Chicago, 429 km away; even Singapore lies some 15,309 km off. Its position on the globe is 38.81° N, 90.70° W, and the point on the exact opposite side of the Earth is described in the antipode section below.
Time difference with major cities
| Los Angeles | 15:13 | −2h |
| Chicago | 17:13 | same time |
| São Paulo | 20:13 | +3h |
| London | 23:13 | +6h |
| Paris | 00:13 | +7h |
| Moscow | 02:13 | +9h |
| Dubai | 03:13 | +10h |
| Mumbai | 04:43 | +11h 30m |
| Singapore | 07:13 | +14h |
| Hong Kong | 07:13 | +14h |
| Tokyo | 08:13 | +15h |
| Sydney | 10:13 | +17h |
Best time to call O'Fallon
Standard business hours (9:00 – 17:00) in major hubs, expressed in O'Fallon local time:
Cities sharing O'Fallon's time zone
Other cities in United States
- New York City18:13
- Los Angeles15:13
- Brooklyn18:13
- Chicago17:13
- Queens18:13
- Houston17:13
- Phoenix16:13
- Philadelphia18:13
- San Antonio17:13
- Manhattan18:13
- San Diego15:13
- The Bronx18:13
Distances from O'Fallon
| Chicago | 429 km | NE (36°) |
| Los Angeles | 2,510 km | W (266°) |
| London | 6,776 km | NE (45°) |
| Paris | 7,071 km | NE (47°) |
| São Paulo | 8,313 km | SE (139°) |
| Moscow | 8,422 km | NNE (27°) |
| Tokyo | 10,249 km | NW (321°) |
| Dubai | 12,061 km | NNE (32°) |
| Hong Kong | 12,741 km | NNW (335°) |
| Mumbai | 13,360 km | NNE (18°) |
| Sydney | 14,549 km | WSW (256°) |
| Singapore | 15,309 km | NNW (338°) |
Cities near O'Fallon
- Dardenne Prairie5 km · 17:13
- Saint Paul7 km · 17:13
- Saint Peters6 km · 17:13
- Cottleville8 km · 17:13
- Lake Saint Louis8 km · 17:13
- Weldon Spring11 km · 17:13
- Wentzville13 km · 17:13
- Winfield21 km · 17:13
FAQ
What time is it in O'Fallon right now?
The live clock at the top of this page shows the current local time in O'Fallon (United States), updated every second. It is currently week 45.
What time zone is O'Fallon in?
O'Fallon runs on the America/Chicago IANA time zone (UTC-06:00), currently abbreviated CST.
Does O'Fallon observe daylight saving time?
Yes — daylight saving time is in force right now. Clocks go forward by 1 hour on March 14, 2027.
What time is sunrise and sunset in O'Fallon today?
O'Fallon sees sunrise at 06:32 and sunset at 17:03 today, giving 10h 31m of daylight.
What moon phase is visible over O'Fallon tonight?
The moon phase over O'Fallon tonight is 🌗 Last Quarter with 45.4% illumination.
What is the antipode of O'Fallon?
The antipode of O'Fallon — the point on the exact opposite side of the Earth — lies at 38.81° S, 89.30° E. It falls in the ocean or a remote wilderness — the nearest city we track is Port-aux-Français, French Southern Territories, roughly 1,913 km away. The straight-line distance through the Earth is about 12,742 km.
How high above sea level is O'Fallon?
O'Fallon sits at about 165 m above sea level, higher than roughly 43% of cities with a recorded elevation.
What is solar time in O'Fallon?
Solar time follows the Sun's actual position, with solar noon when the Sun is highest in the sky. In O'Fallon, clocks run about 13 minutes ahead of local solar time, because the official time zone does not exactly match the Sun's position.