São Luís
Sunrise and sunset in São Luís
Today’s sunrise, sunset and twilight in São Luís, in local time. At 2.5° S, the day lasts from 11 h 59 min at the winter solstice to 12 h 16 min at the summer solstice.
Today · worked out at
Wednesday, October 21: sunrise at 05:36, sunset at 17:47.
Day length 12 h 11 min, 9 s longer than yesterday.
Solar noon at 11:41, with the Sun 82° above the horizon.
Times are São Luís time (GMT-3).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 04:26 | 18:57 |
| Nautical twilight | 04:50 | 18:32 |
| Civil twilight | 05:15 | 18:08 |
| Sunrise and sunset | 05:36 | 17:47 |
| Golden hour | 05:36–06:04 | 17:19–17:47 |
Each twilight begins at the morning time and ends at the evening one.
The year in São Luís
- Longest day: December 21, 12 h 16 min, from sunrise at 05:47 to sunset at 18:03.
- Shortest day: June 21, 11 h 59 min, from sunrise at 05:59 to sunset at 17:58.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 06:01 | 18:15 | 12 h 15 min |
| February 21 | 06:05 | 18:15 | 12 h 10 min |
| March 21 | 06:01 | 18:07 | 12 h 06 min |
| April 21 | 05:54 | 17:57 | 12 h 02 min |
| May 21 | 05:53 | 17:53 | 12 h 00 min |
| June 21 | 05:59 | 17:58 | 11 h 59 min |
| July 21 | 06:03 | 18:03 | 12 h 00 min |
| August 21 | 05:59 | 18:01 | 12 h 02 min |
| September 21 | 05:47 | 17:53 | 12 h 06 min |
| October 21 | 05:36 | 17:47 | 12 h 11 min |
| November 21 | 05:35 | 17:50 | 12 h 15 min |
| December 21 | 05:47 | 18:03 | 12 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 2.5° S, 44.3° 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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