Teresina
Sunrise and sunset in Teresina
Today’s sunrise, sunset and twilight in Teresina, in local time. At 5.1° 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 05:28, sunset at 17:43.
Day length 12 h 15 min, 17 s longer than yesterday.
Solar noon at 11:35, with the Sun 84° above the horizon.
Times are Teresina time (GMT-3).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 04:18 | 18:53 |
| Nautical twilight | 04:42 | 18:28 |
| Civil twilight | 05:07 | 18:04 |
| Sunrise and sunset | 05:28 | 17:43 |
| Golden hour | 05:28–05:56 | 17:15–17:43 |
Each twilight begins at the morning time and ends at the evening one.
The year in Teresina
- Longest day: December 21, 12 h 25 min, from sunrise at 05:36 to sunset at 18:01.
- Shortest day: June 21, 11 h 50 min, from sunrise at 05:58 to sunset at 17:47.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 05:51 | 18:13 | 12 h 22 min |
| February 21 | 05:57 | 18:11 | 12 h 14 min |
| March 21 | 05:55 | 18:01 | 12 h 06 min |
| April 21 | 05:50 | 17:48 | 11 h 58 min |
| May 21 | 05:51 | 17:43 | 11 h 52 min |
| June 21 | 05:58 | 17:47 | 11 h 50 min |
| July 21 | 06:01 | 17:53 | 11 h 52 min |
| August 21 | 05:55 | 17:53 | 11 h 58 min |
| September 21 | 05:41 | 17:47 | 12 h 06 min |
| October 21 | 05:28 | 17:43 | 12 h 15 min |
| November 21 | 05:26 | 17:48 | 12 h 22 min |
| December 21 | 05:36 | 18:01 | 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 5.1° S, 42.8° 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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