Barreiro
Sunrise and sunset in Barreiro
Today’s sunrise, sunset and twilight in Barreiro, in local time. At 38.7° N, the day lasts from 9 h 28 min at the winter solstice to 14 h 52 min at the summer solstice.
Today · worked out at
Wednesday, October 21: sunrise at 07:51, sunset at 18:49.
Day length 10 h 58 min, 2 min 22 s shorter than yesterday.
Solar noon at 13:20, with the Sun 41° above the horizon.
Times are Barreiro time (GMT+1).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 06:22 | 20:18 |
| Nautical twilight | 06:53 | 19:47 |
| Civil twilight | 07:24 | 19:16 |
| Sunrise and sunset | 07:51 | 18:49 |
| Golden hour | 07:51–08:27 | 18:13–18:49 |
Each twilight begins at the morning time and ends at the evening one.
The year in Barreiro
- Longest day: June 21, 14 h 52 min, from sunrise at 06:11 to sunset at 21:04.
- Shortest day: December 21, 9 h 28 min, from sunrise at 07:50 to sunset at 17:18.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 07:50 | 17:45 | 9 h 55 min |
| February 21 | 07:19 | 18:20 | 11 h 01 min |
| March 21 | 06:38 | 18:49 | 12 h 11 min |
| April 21 | 06:51 | 20:18 | 13 h 27 min |
| May 21 | 06:19 | 20:46 | 14 h 27 min |
| June 21 | 06:11 | 21:04 | 14 h 52 min |
| July 21 | 06:28 | 20:56 | 14 h 28 min |
| August 21 | 06:55 | 20:22 | 13 h 27 min |
| September 21 | 07:23 | 19:35 | 12 h 12 min |
| October 21 | 07:51 | 18:49 | 10 h 58 min |
| November 21 | 07:24 | 17:19 | 9 h 54 min |
| December 21 | 07:50 | 17:18 | 9 h 28 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 38.7° N, 9.1° 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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