General Roca
Sunrise and sunset in General Roca
Today’s sunrise, sunset and twilight in General Roca, in local time. At 39° S, the day lasts from 9 h 25 min at the winter solstice to 14 h 55 min at the summer solstice.
Today · worked out at
Wednesday, October 21: sunrise at 06:35, sunset at 19:55.
Day length 13 h 20 min, 2 min 27 s longer than yesterday.
Solar noon at 13:14, with the Sun 62° above the horizon.
Times are General Roca time (GMT-3).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 04:59 | 21:31 |
| Nautical twilight | 05:33 | 20:56 |
| Civil twilight | 06:07 | 20:23 |
| Sunrise and sunset | 06:35 | 19:55 |
| Golden hour | 06:35–07:10 | 19:19–19:55 |
Each twilight begins at the morning time and ends at the evening one.
The year in General Roca
- Longest day: December 21, 14 h 55 min, from sunrise at 06:01 to sunset at 20:55.
- Shortest day: June 21, 9 h 25 min, from sunrise at 08:49 to sunset at 18:14.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 06:28 | 20:54 | 14 h 25 min |
| February 21 | 07:05 | 20:22 | 13 h 17 min |
| March 21 | 07:34 | 19:39 | 12 h 06 min |
| April 21 | 08:04 | 18:53 | 10 h 49 min |
| May 21 | 08:31 | 18:21 | 9 h 50 min |
| June 21 | 08:49 | 18:14 | 9 h 25 min |
| July 21 | 08:42 | 18:31 | 9 h 49 min |
| August 21 | 08:08 | 18:58 | 10 h 50 min |
| September 21 | 07:21 | 19:26 | 12 h 05 min |
| October 21 | 06:35 | 19:55 | 13 h 20 min |
| November 21 | 06:02 | 20:30 | 14 h 27 min |
| December 21 | 06:01 | 20:55 | 14 h 55 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 39° S, 67.6° 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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