Santarém
Sunrise and sunset in Santarém
Today’s sunrise, sunset and twilight in Santarém, in local time. At 2.4° 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 06:18, sunset at 18:28.
Day length 12 h 10 min, 8 s longer than yesterday.
Solar noon at 12:23, with the Sun 82° above the horizon.
Times are Santarém time (GMT-3).
Twilight and golden hour today
| Today | Morning | Evening |
|---|---|---|
| Astronomical twilight | 05:08 | 19:38 |
| Nautical twilight | 05:32 | 19:14 |
| Civil twilight | 05:57 | 18:49 |
| Sunrise and sunset | 06:18 | 18:28 |
| Golden hour | 06:18–06:46 | 18:00–18:28 |
Each twilight begins at the morning time and ends at the evening one.
The year in Santarém
- Longest day: December 21, 12 h 16 min, from sunrise at 06:28 to sunset at 18:44.
- Shortest day: June 21, 11 h 59 min, from sunrise at 06:41 to sunset at 18:40.
Sunrise and sunset on the 21st of each month, 2026
| Date | Sunrise | Sunset | Day length |
|---|---|---|---|
| January 21 | 06:43 | 18:57 | 12 h 14 min |
| February 21 | 06:47 | 18:57 | 12 h 10 min |
| March 21 | 06:42 | 18:49 | 12 h 06 min |
| April 21 | 06:36 | 18:38 | 12 h 03 min |
| May 21 | 06:35 | 18:35 | 12 h 00 min |
| June 21 | 06:41 | 18:40 | 11 h 59 min |
| July 21 | 06:45 | 18:45 | 12 h 00 min |
| August 21 | 06:40 | 18:43 | 12 h 03 min |
| September 21 | 06:28 | 18:35 | 12 h 06 min |
| October 21 | 06:18 | 18:28 | 12 h 10 min |
| November 21 | 06:17 | 18:31 | 12 h 14 min |
| December 21 | 06:28 | 18:44 | 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 2.4° S, 54.7° 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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