Round Lake
Sunrise and sunset in Round Lake
Today’s sunrise, sunset and twilight in Round Lake, in local time. At 42.4° N, the day lasts from 9 h 05 min at the winter solstice to 15 h 17 min at the summer solstice.
Today · worked out at
Wednesday, October 21: sunrise at 07:12, sunset at 18:00.
Day length 10 h 48 min, 2 min 42 s shorter than yesterday.
Solar noon at 12:36, with the Sun 37° above the horizon.
Times are Round Lake time (CDT).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 05:38 | 19:34 |
| Nautical twilight | 06:11 | 19:02 |
| Civil twilight | 06:43 | 18:29 |
| Sunrise and sunset | 07:12 | 18:00 |
| Golden hour | 07:12–07:51 | 17:22–18:00 |
Each twilight begins at the morning time and ends at the evening one.
The year in Round Lake
- Longest day: June 21, 15 h 17 min, from sunrise at 05:15 to sunset at 20:32.
- Shortest day: December 21, 9 h 05 min, from sunrise at 07:18 to sunset at 16:22.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 07:15 | 16:52 | 9 h 37 min |
| February 21 | 06:40 | 17:32 | 10 h 52 min |
| March 21 | 06:53 | 19:05 | 12 h 12 min |
| April 21 | 06:01 | 19:40 | 13 h 39 min |
| May 21 | 05:25 | 20:13 | 14 h 48 min |
| June 21 | 05:15 | 20:32 | 15 h 17 min |
| July 21 | 05:34 | 20:22 | 14 h 48 min |
| August 21 | 06:06 | 19:44 | 13 h 38 min |
| September 21 | 06:38 | 18:51 | 12 h 12 min |
| October 21 | 07:12 | 18:00 | 10 h 48 min |
| November 21 | 06:50 | 16:25 | 9 h 35 min |
| December 21 | 07:18 | 16:22 | 9 h 05 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 42.4° N, 88.1° 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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