Atibaia
Sunrise and sunset in Atibaia
Today’s sunrise, sunset and twilight in Atibaia, in local time. At 23.1° S, the day lasts from 10 h 43 min at the winter solstice to 13 h 34 min at the summer solstice.
Today · worked out at
Wednesday, October 21: sunrise at 05:28, sunset at 18:13.
Day length 12 h 45 min, 1 min 17 s longer than yesterday.
Solar noon at 11:50, with the Sun 78° above the horizon.
Times are Atibaia time (GMT-3).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 04:10 | 19:31 |
| Nautical twilight | 04:38 | 19:03 |
| Civil twilight | 05:05 | 18:36 |
| Sunrise and sunset | 05:28 | 18:13 |
| Golden hour | 05:28–05:58 | 17:43–18:13 |
Each twilight begins at the morning time and ends at the evening one.
The year in Atibaia
- Longest day: December 21, 13 h 34 min, from sunrise at 05:17 to sunset at 18:51.
- Shortest day: June 21, 10 h 43 min, from sunrise at 06:46 to sunset at 17:29.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 05:38 | 18:56 | 13 h 19 min |
| February 21 | 05:57 | 18:41 | 12 h 43 min |
| March 21 | 06:10 | 18:15 | 12 h 06 min |
| April 21 | 06:21 | 17:47 | 11 h 26 min |
| May 21 | 06:35 | 17:30 | 10 h 55 min |
| June 21 | 06:46 | 17:29 | 10 h 43 min |
| July 21 | 06:45 | 17:40 | 10 h 55 min |
| August 21 | 06:26 | 17:52 | 11 h 26 min |
| September 21 | 05:56 | 18:02 | 12 h 05 min |
| October 21 | 05:28 | 18:13 | 12 h 45 min |
| November 21 | 05:12 | 18:31 | 13 h 19 min |
| December 21 | 05:17 | 18:51 | 13 h 34 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 23.1° S, 46.6° 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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