Sunset & Sunrise Today in O'Fallon, Missouri
Sunrise & Sunset Tomorrow in O'Fallon: sunrise 5:51 AM, sunset 8:26 PM.
Today, Wednesday, July 15, sunset in O'Fallon is at 8:26 PM and sunrise was at 5:50 AM, giving O'Fallon 14h 36m between first and last light. Local solar noon in O'Fallon falls at 1:08 PM.
O'Fallon lies at latitude 38.81°, in the mid-latitudes, where daylight swings noticeably between the long days of summer and the short days of winter. Each day is currently getting about 1 minute shorter and 16 seconds. This is summer in O'Fallon, so the daily sun times are still on the move.
For photographers, the evening golden hour in O'Fallon runs from about 7:49 PM to 8:46 PM — that warm, low, flattering light just before sunset. The blue hour follows, roughly 8:46 PM to 8:58 PM, as twilight deepens.
Tomorrow, sunset in O'Fallon is at 8:26 PM and sunrise at 5:51 AM — about 1m 18s less daylight than today. The table below shows how sunrise and sunset in O'Fallon drift across the whole year.
This is high summer in O'Fallon, the season of long evenings. Over the course of the year, sunset in O'Fallon ranges from as early as 4:40 PM (around December 2) to as late as 8:31 PM (around June 21). Its longest day lands on June 20 with 14h 52m of daylight, and its shortest on December 21 with just 9h 26m.
Moon in O'Fallon today
Sunset today: O'Fallon vs nearby cities
| City | Sunrise | Sunset | Day length |
|---|---|---|---|
| O'Fallon | 5:50 AM | 8:26 PM | 14h 36m |
| St. Louis | 5:48 AM | 8:24 PM | 14h 35m |
| Springfield | 5:43 AM | 8:25 PM | 14h 42m |
O'Fallon sun facts for 2026
- Longest day June 20 — 14h 52m of daylight
- Shortest day December 21 — 9h 26m
- Latest sunset 8:31 PM (around June 21)
- Earliest sunset 4:40 PM (around December 2)
- Earliest sunrise 5:37 AM (around June 8)
- Latest sunrise 7:29 AM (around October 31)
Solstices & equinoxes in O'Fallon (2026)
| Event | Date | Sunrise | Sunset | Day length |
|---|---|---|---|---|
| March equinox | Mar 20, 2026 | 7:06 AM | 7:14 PM | 12h 08m |
| June solstice (longest day) | Jun 21, 2026 | 5:38 AM | 8:31 PM | 14h 52m |
| September equinox | Sep 22, 2026 | 6:50 AM | 6:59 PM | 12h 08m |
| December solstice (shortest day) | Dec 21, 2026 | 7:17 AM | 4:44 PM | 9h 26m |
O'Fallon sunrise & sunset — next 14 days
| Date | Sunrise | Sunset | Day length | Change |
|---|---|---|---|---|
| Wed Jul 15 | 5:50 AM | 8:26 PM | 14h 36m | — |
| Thu Jul 16 | 5:51 AM | 8:26 PM | 14h 35m | −1m 18s |
| Fri Jul 17 | 5:51 AM | 8:25 PM | 14h 33m | −1m 21s |
| Sat Jul 18 | 5:52 AM | 8:25 PM | 14h 32m | −1m 24s |
| Sun Jul 19 | 5:53 AM | 8:24 PM | 14h 31m | −1m 26s |
| Mon Jul 20 | 5:54 AM | 8:23 PM | 14h 29m | −1m 28s |
| Tue Jul 21 | 5:55 AM | 8:23 PM | 14h 28m | −1m 31s |
| Wed Jul 22 | 5:55 AM | 8:22 PM | 14h 26m | −1m 33s |
| Thu Jul 23 | 5:56 AM | 8:21 PM | 14h 24m | −1m 36s |
| Fri Jul 24 | 5:57 AM | 8:20 PM | 14h 23m | −1m 37s |
| Sat Jul 25 | 5:58 AM | 8:19 PM | 14h 21m | −1m 40s |
| Sun Jul 26 | 5:59 AM | 8:19 PM | 14h 19m | −1m 42s |
| Mon Jul 27 | 6:00 AM | 8:18 PM | 14h 18m | −1m 44s |
| Tue Jul 28 | 6:00 AM | 8:17 PM | 14h 16m | −1m 46s |
Twilight times in O'Fallon today
| Phase | Begins | Ends |
|---|---|---|
| Astronomical twilight | 3:56 AM | 10:20 PM |
| Nautical twilight | 4:40 AM | 9:36 PM |
| Civil twilight | 5:18 AM | 8:58 PM |
| Morning golden hour | 5:30 AM | 6:28 AM |
| Evening golden hour | 7:49 PM | 8:46 PM |
Civil, nautical and astronomical twilight describe how far the sun is below the horizon — useful for photographers, sailors and stargazers in O'Fallon.
Sunrise & sunset in O'Fallon by month
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| January | 7:21 AM | 4:51 PM | 9h 30m |
| February | 7:08 AM | 5:24 PM | 10h 15m |
| March | 6:35 AM | 5:55 PM | 11h 20m |
| April | 6:47 AM | 7:26 PM | 12h 38m |
| May | 6:05 AM | 7:55 PM | 13h 49m |
| June | 5:39 AM | 8:21 PM | 14h 42m |
| July | 5:41 AM | 8:31 PM | 14h 49m |
| August | 6:04 AM | 8:13 PM | 14h 09m |
| September | 6:32 AM | 7:32 PM | 13h 00m |
| October | 6:59 AM | 6:45 PM | 11h 46m |
| November | 6:30 AM | 5:01 PM | 10h 31m |
| December | 7:02 AM | 4:41 PM | 9h 38m |
Times shown for the 1st of each month, local time in O'Fallon.
Sunset & sunrise FAQ for O'Fallon
What time is sunset in O'Fallon today?
Sunset in O'Fallon, Missouri is at 8:26 PM today. It shifts by a minute or two each day as the seasons change.
What time is sunrise in O'Fallon today?
Sunrise in O'Fallon is at 5:50 AM today, with 14h 36m of daylight to follow.
What time is sunrise in O'Fallon tomorrow?
Sunrise in O'Fallon tomorrow is at 5:51 AM, and sunset tomorrow is at 8:26 PM.
What time is sunset in O'Fallon tomorrow?
Sunset in O'Fallon tomorrow is at 8:26 PM.
How long is the day in O'Fallon today?
O'Fallon gets 14h 36m of daylight today, between sunrise at 5:50 AM and sunset at 8:26 PM.
When is golden hour in O'Fallon?
The evening golden hour in O'Fallon is about 7:49 PM to 8:46 PM today — the warm, soft light ideal for photos.
When is blue hour in O'Fallon?
The evening blue hour in O'Fallon runs from about 8:46 PM to 8:58 PM today, just after sunset.
What time does it get dark in O'Fallon?
After sunset at 8:26 PM, full darkness (the end of twilight) arrives in O'Fallon at around 8:58 PM today.
When is solar noon in O'Fallon?
Solar noon — when the sun is highest in the sky over O'Fallon — is at 1:08 PM today.
Sunset times in cities near O'Fallon
Sunrise & sunset times in more Missouri cities
Sunset card for O'Fallon
Learn more about sunset, sunrise & twilight
- 🌇 What is golden hour?Golden hour is the warm, soft light just after sunrise and before sunset. Learn what it is, when it happens, how long it lasts, and how to use it.
- 🌆 What is blue hour?Discover what blue hour is, when it happens, how it differs from golden hour, and expert tips for photographing the soft blue twilight. Check exact blue.
- 🌌 Twilight explained: civil, nautical & astronomicalLearn the three phases of twilight—civil, nautical, astronomical—and what they mean for photographers, stargazers, and sunset lovers.
- 🌅 Why are sunsets red and orange?Discover the science behind red and orange sunsets, from Rayleigh scattering to air quality. Learn when and where to see the most vivid colors.
- 📸 The best time to photograph a sunsetDiscover the best time to photograph a sunset, from golden hour to blue hour. Learn exact timing, camera settings, and composition tips for stunning shots.
- ☀️ What is solar noon?Solar noon is when the sun reaches its highest point. Learn why it rarely matches 12:00 PM and how to find your exact solar noon.
- 📈 Why days get longer and shorter through the yearEarth's axial tilt drives seasonal day-length changes. Learn how solstices, equinoxes, and latitude affect daylight where you live.
- 🌞 The summer solstice explainedWhat causes the summer solstice, when it happens, and how it affects sunset times. Discover the science and beauty of the year's longest day.