Riberalta
Sunrise and sunset in Riberalta
Today’s sunrise, sunset and twilight in Riberalta, in local time. At 11° S, the day lasts from 11 h 29 min at the winter solstice to 12 h 46 min at the summer solstice.
Today · worked out at
Wednesday, October 21: sunrise at 05:56, sunset at 18:20.
Day length 12 h 24 min, 35 s longer than yesterday.
Solar noon at 12:08, with the Sun 90° above the horizon.
Times are Riberalta time (GMT-4).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 04:45 | 19:32 |
| Nautical twilight | 05:10 | 19:07 |
| Civil twilight | 05:35 | 18:42 |
| Sunrise and sunset | 05:56 | 18:20 |
| Golden hour | 05:56–06:25 | 17:52–18:20 |
Each twilight begins at the morning time and ends at the evening one.
The year in Riberalta
- Longest day: December 21, 12 h 46 min, from sunrise at 05:59 to sunset at 18:45.
- Shortest day: June 21, 11 h 29 min, from sunrise at 06:41 to sunset at 18:10.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 06:15 | 18:55 | 12 h 40 min |
| February 21 | 06:26 | 18:49 | 12 h 23 min |
| March 21 | 06:28 | 18:34 | 12 h 06 min |
| April 21 | 06:28 | 18:16 | 11 h 48 min |
| May 21 | 06:33 | 18:07 | 11 h 34 min |
| June 21 | 06:41 | 18:10 | 11 h 29 min |
| July 21 | 06:43 | 18:17 | 11 h 34 min |
| August 21 | 06:33 | 18:21 | 11 h 48 min |
| September 21 | 06:14 | 18:20 | 12 h 06 min |
| October 21 | 05:56 | 18:20 | 12 h 24 min |
| November 21 | 05:50 | 18:30 | 12 h 40 min |
| December 21 | 05:59 | 18:45 | 12 h 46 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 11° S, 66.1° 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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