São Mateus
Sunrise and sunset in São Mateus
Today’s sunrise, sunset and twilight in São Mateus, in local time. At 18.7° S, the day lasts from 11 h 00 min at the winter solstice to 13 h 16 min at the summer solstice.
Today · worked out at
Wednesday, October 21: sunrise at 05:05, sunset at 17:42.
Day length 12 h 37 min, 1 min 1 s longer than yesterday.
Solar noon at 11:24, with the Sun 82° above the horizon.
Times are São Mateus time (GMT-3).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 03:50 | 18:57 |
| Nautical twilight | 04:17 | 18:31 |
| Civil twilight | 04:43 | 18:04 |
| Sunrise and sunset | 05:05 | 17:42 |
| Golden hour | 05:05–05:35 | 17:13–17:42 |
Each twilight begins at the morning time and ends at the evening one.
The year in São Mateus
- Longest day: December 21, 13 h 16 min, from sunrise at 04:59 to sunset at 18:15.
- Shortest day: June 21, 11 h 00 min, from sunrise at 06:11 to sunset at 17:11.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 05:18 | 18:22 | 13 h 04 min |
| February 21 | 05:35 | 18:10 | 12 h 36 min |
| March 21 | 05:43 | 17:49 | 12 h 06 min |
| April 21 | 05:50 | 17:25 | 11 h 34 min |
| May 21 | 06:00 | 17:11 | 11 h 10 min |
| June 21 | 06:11 | 17:11 | 11 h 00 min |
| July 21 | 06:11 | 17:20 | 11 h 10 min |
| August 21 | 05:55 | 17:29 | 11 h 34 min |
| September 21 | 05:29 | 17:35 | 12 h 05 min |
| October 21 | 05:05 | 17:42 | 12 h 37 min |
| November 21 | 04:53 | 17:57 | 13 h 04 min |
| December 21 | 04:59 | 18:15 | 13 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 18.7° S, 39.9° 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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