Altoona, Iowa
Sunrise and sunset in Altoona, Iowa, United States
Today’s sunrise, sunset and twilight in Altoona, Iowa, in local time. At 41.6° N, the day lasts from 9 h 09 min at the winter solstice to 15 h 12 min at the summer solstice.
Today · worked out at
Thursday, October 22 in Altoona, Iowa, United States: sunrise at 07:34, sunset at 18:21.
Day length 10 h 48 min, 2 min 37 s shorter than yesterday.
Solar noon at 12:58, with the Sun 37° above the horizon.
Times are Altoona, Iowa time (CDT).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 06:01 | 19:54 |
| Nautical twilight | 06:33 | 19:22 |
| Civil twilight | 07:05 | 18:50 |
| Sunrise and sunset | 07:34 | 18:21 |
| Golden hour | 07:34–08:12 | 17:43–18:21 |
Each twilight begins at the morning time and ends at the evening one.
The year in Altoona, Iowa
- Longest day: June 21, 15 h 12 min, from sunrise at 05:39 to sunset at 20:51.
- Shortest day: December 21, 9 h 09 min, from sunrise at 07:37 to sunset at 16:46.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 07:34 | 17:15 | 9 h 41 min |
| February 21 | 07:00 | 17:54 | 10 h 54 min |
| March 21 | 07:15 | 19:27 | 12 h 12 min |
| April 21 | 06:24 | 20:01 | 13 h 37 min |
| May 21 | 05:48 | 20:32 | 14 h 44 min |
| June 21 | 05:39 | 20:51 | 15 h 12 min |
| July 21 | 05:57 | 20:42 | 14 h 44 min |
| August 21 | 06:28 | 20:04 | 13 h 36 min |
| September 21 | 07:00 | 19:12 | 12 h 12 min |
| October 21 | 07:32 | 18:23 | 10 h 50 min |
| November 21 | 07:10 | 16:48 | 9 h 39 min |
| December 21 | 07:37 | 16:46 | 9 h 09 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 41.6° N, 93.5° 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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