Tucuruí
Sunrise and sunset in Tucuruí
Today’s sunrise, sunset and twilight in Tucuruí, in local time. At 3.8° S, the day lasts from 11 h 54 min at the winter solstice to 12 h 21 min at the summer solstice.
Today · worked out at
Wednesday, October 21: sunrise at 05:57, sunset at 18:09.
Day length 12 h 12 min, 12 s longer than yesterday.
Solar noon at 12:03, with the Sun 83° above the horizon.
Times are Tucuruí time (GMT-3).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 04:46 | 19:19 |
| Nautical twilight | 05:11 | 18:55 |
| Civil twilight | 05:35 | 18:30 |
| Sunrise and sunset | 05:57 | 18:09 |
| Golden hour | 05:57–06:24 | 17:41–18:09 |
Each twilight begins at the morning time and ends at the evening one.
The year in Tucuruí
- Longest day: December 21, 12 h 21 min, from sunrise at 06:06 to sunset at 18:27.
- Shortest day: June 21, 11 h 54 min, from sunrise at 06:23 to sunset at 18:17.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 06:20 | 18:39 | 12 h 18 min |
| February 21 | 06:26 | 18:38 | 12 h 12 min |
| March 21 | 06:22 | 18:28 | 12 h 06 min |
| April 21 | 06:17 | 18:17 | 12 h 00 min |
| May 21 | 06:17 | 18:13 | 11 h 56 min |
| June 21 | 06:23 | 18:17 | 11 h 54 min |
| July 21 | 06:27 | 18:23 | 11 h 56 min |
| August 21 | 06:21 | 18:22 | 12 h 00 min |
| September 21 | 06:08 | 18:14 | 12 h 06 min |
| October 21 | 05:57 | 18:09 | 12 h 12 min |
| November 21 | 05:55 | 18:13 | 12 h 18 min |
| December 21 | 06:06 | 18:27 | 12 h 21 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 3.8° S, 49.7° 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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