Rio Grande
Sunrise and sunset in Rio Grande
Today’s sunrise, sunset and twilight in Rio Grande, in local time. At 32° S, the day lasts from 10 h 03 min at the winter solstice to 14 h 15 min at the summer solstice.
Today · worked out at
Wednesday, October 21: sunrise at 05:41, sunset at 18:44.
Day length 13 h 03 min, 1 min 53 s longer than yesterday.
Solar noon at 12:12, with the Sun 69° above the horizon.
Times are Rio Grande time (GMT-3).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 04:15 | 20:10 |
| Nautical twilight | 04:46 | 19:40 |
| Civil twilight | 05:16 | 19:10 |
| Sunrise and sunset | 05:41 | 18:44 |
| Golden hour | 05:41–06:14 | 18:11–18:44 |
Each twilight begins at the morning time and ends at the evening one.
The year in Rio Grande
- Longest day: December 21, 14 h 15 min, from sunrise at 05:18 to sunset at 19:34.
- Shortest day: June 21, 10 h 03 min, from sunrise at 07:28 to sunset at 17:31.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 05:43 | 19:36 | 13 h 53 min |
| February 21 | 06:11 | 19:12 | 13 h 01 min |
| March 21 | 06:32 | 18:38 | 12 h 06 min |
| April 21 | 06:53 | 18:00 | 11 h 07 min |
| May 21 | 07:14 | 17:35 | 10 h 22 min |
| June 21 | 07:28 | 17:31 | 10 h 03 min |
| July 21 | 07:24 | 17:45 | 10 h 21 min |
| August 21 | 06:58 | 18:05 | 11 h 07 min |
| September 21 | 06:19 | 18:24 | 12 h 05 min |
| October 21 | 05:41 | 18:44 | 13 h 03 min |
| November 21 | 05:17 | 19:11 | 13 h 54 min |
| December 21 | 05:18 | 19:34 | 14 h 15 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 32° S, 52.1° 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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