Time Now in O'Fallon, United States 🇺🇸
Lat/Long: 38.81° N, 90.7° W
Elevation: 165 m above sea level
Population rank: #459 of 21,150 cities in United States by population
State: Missouri
Country: 🇺🇸 United States (North America)
IANA Timezone: America/Chicago
Solar time: clocks run about 1h 05m ahead of the sun
Timezone: CST
Daylight Saving Time: Yes ✅ (Abbreviation: CDT) (When does Daylight Savings Time end?)
Standard Timezone Abbreviations used in United States: AKST, CST, EST, HST, MST, PST
Daylight Saving Timezone Abbreviations used in United States: AKDT, CDT, EDT, HDT, MDT, PDT
O'Fallon is in the America/Chicago time zone (UTC−06:00). Daylight saving time is currently in effect (CDT). Use this page to check the exact local time in O'Fallon, United States, with live seconds, sunrise and sunset times, and upcoming clock changes.
Time & Daylight in O'Fallon
Daylight Hours in O'Fallon
O'Fallon gets 14h 32m of daylight today. Sunrise in O'Fallon is at 05:52 and sunset in O'Fallon is at 20:25.
Daylight ranges from about 9h 26m near the December solstice to 14h 53m near the June solstice.
Time Difference Between O'Fallon and Major Cities
Live local time and the difference from O'Fallon right now.
Other Cities in United States with Local Time
Common Questions About Time in O'Fallon
What is the current local time in O'Fallon?
The live local time in O'Fallon is shown at the top of this page and updates every second. O'Fallon currently observes CDT, with a standard offset of UTC−06:00.
What time zone is O'Fallon in?
O'Fallon uses the CDT time zone. Its standard offset from Coordinated Universal Time (UTC) is UTC−06:00.
Does O'Fallon observe daylight saving time?
Yes. O'Fallon is currently on daylight saving time (CDT).
Cities Sharing O'Fallon's Time Zone (UTC−06:00)
These major cities are at the same UTC offset as O'Fallon.
Weather in O'Fallon
Tools to Plan Meetings
Prayer Times in O'Fallon
| Date | Fajr | Sunrise | Dhuhr | Asr | Maghrib | Isha |
|---|---|---|---|---|---|---|
| Sat, 18 Jul ● | 03:56 | 05:52 | 13:09 | 17:03 | 20:25 | 21:55 |
| Sun, 19 Jul | 03:57 | 05:53 | 13:09 | 17:03 | 20:25 | 21:55 |
| Mon, 20 Jul | 03:58 | 05:53 | 13:09 | 17:03 | 20:24 | 21:54 |
| Tue, 21 Jul | 04:00 | 05:54 | 13:09 | 17:03 | 20:23 | 21:53 |
| Wed, 22 Jul | 04:01 | 05:55 | 13:09 | 17:03 | 20:23 | 21:53 |
| Thu, 23 Jul | 04:02 | 05:56 | 13:09 | 17:03 | 20:22 | 21:52 |
| Fri, 24 Jul | 04:04 | 05:57 | 13:09 | 17:02 | 20:21 | 21:51 |
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O'Fallon Prayer Times Widget
Show daily prayer times for O'Fallon on any website
O'Fallon Weather Widget
Current conditions and 7-day forecast for O'Fallon
O'Fallon Sunrise & Sunset Widget
Sunrise, sunset, day length, and twilight times for O'Fallon
O'Fallon Moon Phase Widget
Current phase, illumination, and next full/new moon for O'Fallon
O'Fallon Countdown Timer Widget
Live event countdown in O'Fallon local time
14-day Forecast for O'Fallon
Sunrise & Sunset Times for O'Fallon
Sunrise
in O'Fallon
↑
5:52 AM
Sunset
in O'Fallon
↓
8:25 PM
Day Length
14h 32m
Dawn
in O'Fallon
5:21 AM
Dusk
in O'Fallon
8:56 PM
View detailed past and future sunrise, sunset, and twilight times for O'Fallon. Track daylight hours, sun phases, and more.
Moon Phases & Times for O'Fallon
Current Phase
Waxing Crescent
Illumination
20.1%
Next Moonrise
↑
Today, 10:45
Next Moonset
↓
Today, 23:00
Distances & Clock Changes in O'Fallon
How Far Is O'Fallon From Other Major Cities?
| City | Distance | Direction |
|---|---|---|
| New York | 1,440 km | ENE (76deg) |
| Los Angeles | 2,510 km | W (266deg) |
| London | 6,776 km | NE (45deg) |
| Paris | 7,072 km | NE (47deg) |
| Sao Paulo | 8,313 km | SE (139deg) |
| Moscow | 8,423 km | NNE (27deg) |
| Tokyo | 10,252 km | NW (321deg) |
| Dubai | 12,065 km | NNE (32deg) |
When Do the Clocks Change in O'Fallon?
O'Fallon next changes its clocks on November 1, 2026, when the clocks fall back by one hour.
O'Fallon's Antipode: The Opposite Side of the Earth
Dig straight through the Earth from O'Fallon and you would surface in the open ocean, near 38.8deg S, 89.3deg E.
Frequently Asked Questions about O'Fallon
What time is it in O'Fallon right now?
The current local time in O'Fallon is 03:54 on Saturday, July 18, 2026. O'Fallon follows the America/Chicago time zone.
What time zone is O'Fallon in?
O'Fallon uses the America/Chicago IANA time zone (UTC−06:00). This zone covers the city and surrounding region year-round, with automatic adjustments during daylight saving when applicable.
How many hours ahead or behind UTC is O'Fallon?
Is O'Fallon on daylight saving time right now?
Yes — O'Fallon is currently observing daylight saving time as of July 18, 2026.
What time is sunrise and sunset in O'Fallon today?
Today in O'Fallon: sunrise is at 05:52 and sunset is at 20:25, giving 14h 32m of daylight.
What moon phase is visible over O'Fallon tonight?
The moon phase over O'Fallon tonight is Waxing Crescent with 20.1% illumination.
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 1h 05m ahead of local solar time, because the official time zone does not exactly match the Sun's position.