Mount Vernon, Illinois
Sunrise and sunset in Mount Vernon, Illinois
Today’s sunrise, sunset and twilight in Mount Vernon, Illinois, in local time. At 38.3° N, the day lasts from 9 h 30 min at the winter solstice to 14 h 50 min at the summer solstice.
Today · worked out at
Thursday, October 22: sunrise at 07:11, sunset at 18:07.
Day length 10 h 56 min, 2 min 19 s shorter than yesterday.
Solar noon at 12:40, with the Sun 40° above the horizon.
Times are Mount Vernon, Illinois time (CDT).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 05:43 | 19:36 |
| Nautical twilight | 06:13 | 19:05 |
| Civil twilight | 06:44 | 18:34 |
| Sunrise and sunset | 07:11 | 18:07 |
| Golden hour | 07:11–07:47 | 17:31–18:07 |
Each twilight begins at the morning time and ends at the evening one.
The year in Mount Vernon, Illinois
- Longest day: June 21, 14 h 50 min, from sunrise at 05:32 to sunset at 20:22.
- Shortest day: December 21, 9 h 30 min, from sunrise at 07:08 to sunset at 16:38.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 07:08 | 17:05 | 9 h 57 min |
| February 21 | 06:38 | 17:40 | 11 h 02 min |
| March 21 | 06:57 | 19:08 | 12 h 11 min |
| April 21 | 06:11 | 19:37 | 13 h 26 min |
| May 21 | 05:39 | 20:05 | 14 h 25 min |
| June 21 | 05:32 | 20:22 | 14 h 50 min |
| July 21 | 05:48 | 20:14 | 14 h 26 min |
| August 21 | 06:15 | 19:41 | 13 h 26 min |
| September 21 | 06:42 | 18:54 | 12 h 11 min |
| October 21 | 07:10 | 18:09 | 10 h 59 min |
| November 21 | 06:43 | 16:39 | 9 h 56 min |
| December 21 | 07:08 | 16:38 | 9 h 30 min |
Good to know
- Sunrise and sunset are when the top of the Sun meets a level horizon, allowing for the usual bending of light by the air. Hills, buildings and height shift what you see by a few minutes.
- Civil, nautical and astronomical twilight end when the Sun is 6°, 12° and 18° below the horizon. Golden hour here is the photographers’ usual definition: the Sun less than 6° above it.
- Worked out when the page loads from NOAA’s solar equations, for 38.3° N, 88.9° W, and accurate to about a minute.
How the layers work, where their data comes from and what they can’t tell you: Day and night, live, The Sun, Moon and planets
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