Río Tercero
Sunrise and sunset in Río Tercero
Today’s sunrise, sunset and twilight in Río Tercero, in local time. At 32.2° S, the day lasts from 10 h 02 min at the winter solstice to 14 h 16 min at the summer solstice.
Today · worked out at
Wednesday, October 21: sunrise at 06:29, sunset at 19:32.
Day length 13 h 03 min, 1 min 53 s longer than yesterday.
Solar noon at 13:01, with the Sun 69° above the horizon.
Times are Río Tercero time (GMT-3).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 05:03 | 20:59 |
| Nautical twilight | 05:34 | 20:28 |
| Civil twilight | 06:04 | 19:58 |
| Sunrise and sunset | 06:29 | 19:32 |
| Golden hour | 06:29–07:02 | 19:00–19:32 |
Each twilight begins at the morning time and ends at the evening one.
The year in Río Tercero
- Longest day: December 21, 14 h 16 min, from sunrise at 06:06 to sunset at 20:22.
- Shortest day: June 21, 10 h 02 min, from sunrise at 08:17 to sunset at 18:19.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 06:30 | 20:24 | 13 h 53 min |
| February 21 | 06:59 | 20:00 | 13 h 01 min |
| March 21 | 07:20 | 19:26 | 12 h 06 min |
| April 21 | 07:41 | 18:48 | 11 h 06 min |
| May 21 | 08:02 | 18:23 | 10 h 21 min |
| June 21 | 08:17 | 18:19 | 10 h 02 min |
| July 21 | 08:12 | 18:33 | 10 h 21 min |
| August 21 | 07:46 | 18:53 | 11 h 07 min |
| September 21 | 07:07 | 19:12 | 12 h 05 min |
| October 21 | 06:29 | 19:32 | 13 h 03 min |
| November 21 | 06:05 | 19:59 | 13 h 55 min |
| December 21 | 06:06 | 20:22 | 14 h 16 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 32.2° S, 64.1° 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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