Arlington Heights
Sunrise and sunset in Arlington Heights
Today’s sunrise, sunset and twilight in Arlington Heights, in local time. At 42.1° N, the day lasts from 9 h 06 min at the winter solstice to 15 h 15 min at the summer solstice.
Today · worked out at
Wednesday, October 21: sunrise at 07:11, sunset at 18:00.
Day length 10 h 49 min, 2 min 41 s shorter than yesterday.
Solar noon at 12:36, with the Sun 37° above the horizon.
Times are Arlington Heights time (CDT).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 05:38 | 19:34 |
| Nautical twilight | 06:10 | 19:01 |
| Civil twilight | 06:43 | 18:29 |
| Sunrise and sunset | 07:11 | 18:00 |
| Golden hour | 07:11–07:50 | 17:22–18:00 |
Each twilight begins at the morning time and ends at the evening one.
The year in Arlington Heights
- Longest day: June 21, 15 h 15 min, from sunrise at 05:16 to sunset at 20:31.
- Shortest day: December 21, 9 h 06 min, from sunrise at 07:16 to sunset at 16:23.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 07:14 | 16:52 | 9 h 39 min |
| February 21 | 06:39 | 17:32 | 10 h 53 min |
| March 21 | 06:53 | 19:05 | 12 h 12 min |
| April 21 | 06:01 | 19:40 | 13 h 38 min |
| May 21 | 05:25 | 20:12 | 14 h 46 min |
| June 21 | 05:16 | 20:31 | 15 h 15 min |
| July 21 | 05:34 | 20:21 | 14 h 47 min |
| August 21 | 06:06 | 19:43 | 13 h 37 min |
| September 21 | 06:38 | 18:50 | 12 h 12 min |
| October 21 | 07:11 | 18:00 | 10 h 49 min |
| November 21 | 06:49 | 16:25 | 9 h 36 min |
| December 21 | 07:16 | 16:23 | 9 h 06 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 42.1° N, 88° 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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