Açailândia
Sunrise and sunset in Açailândia
Today’s sunrise, sunset and twilight in Açailândia, in local time. At 4.9° S, the day lasts from 11 h 50 min at the winter solstice to 12 h 25 min at the summer solstice.
Today · worked out at
Wednesday, October 21: sunrise at 05:47, sunset at 18:01.
Day length 12 h 14 min, 16 s longer than yesterday.
Solar noon at 11:54, with the Sun 84° above the horizon.
Times are Açailândia time (GMT-3).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 04:37 | 19:12 |
| Nautical twilight | 05:01 | 18:47 |
| Civil twilight | 05:26 | 18:22 |
| Sunrise and sunset | 05:47 | 18:01 |
| Golden hour | 05:47–06:15 | 17:33–18:01 |
Each twilight begins at the morning time and ends at the evening one.
The year in Açailândia
- Longest day: December 21, 12 h 25 min, from sunrise at 05:55 to sunset at 18:20.
- Shortest day: June 21, 11 h 50 min, from sunrise at 06:16 to sunset at 18:06.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 06:10 | 18:32 | 12 h 22 min |
| February 21 | 06:16 | 18:30 | 12 h 14 min |
| March 21 | 06:13 | 18:20 | 12 h 06 min |
| April 21 | 06:09 | 18:07 | 11 h 58 min |
| May 21 | 06:10 | 18:02 | 11 h 53 min |
| June 21 | 06:16 | 18:06 | 11 h 50 min |
| July 21 | 06:20 | 18:12 | 11 h 52 min |
| August 21 | 06:14 | 18:12 | 11 h 58 min |
| September 21 | 06:00 | 18:06 | 12 h 06 min |
| October 21 | 05:47 | 18:01 | 12 h 14 min |
| November 21 | 05:45 | 18:06 | 12 h 22 min |
| December 21 | 05:55 | 18:20 | 12 h 25 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 4.9° S, 47.5° 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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