Sunrise and sunset in Alcobaça, Brazil

Today’s sunrise, sunset and twilight in Alcobaça, in local time. At 17.5° S, the day lasts from 11 h 05 min at the winter solstice to 13 h 11 min at the summer solstice.

  • 17:40sunset today
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Today · worked out at

In Alcobaça, Brazil on Tuesday, October 27, the Sun rises at 05:00 and sets at 17:40.

Day length 12 h 40 min, 55 s longer than yesterday.

Solar noon at 11:20, with the Sun 85° above the horizon.

Times are Alcobaça time (GMT-3).

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Twilight and golden hour today

TodayMorningEvening
Astronomical twilight03:4518:56
Nautical twilight04:1118:29
Civil twilight04:3818:03
Sunrise and sunset05:0017:40
Golden hour05:00–05:2917:11–17:40

Each twilight begins at the morning time and ends at the evening one.

The year in Alcobaça

  • Longest day: December 21, 13 h 11 min, from sunrise at 04:59 to sunset at 18:10.
  • Shortest day: June 21, 11 h 05 min, from sunrise at 06:06 to sunset at 17:11.

Sunrise and sunset on the 21st of each month, 2026

DateSunriseSunsetDay length
January 2105:1818:1713 h 00 min
February 2105:3318:0712 h 34 min
March 2105:4017:4612 h 06 min
April 2105:4717:2311 h 36 min
May 2105:5617:1011 h 14 min
June 2106:0617:1111 h 05 min
July 2106:0617:2011 h 14 min
August 2105:5117:2811 h 36 min
September 2105:2717:3212 h 05 min
October 2105:0417:3812 h 35 min
November 2104:5217:5213 h 00 min
December 2104:5918:1013 h 11 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 17.5° S, 39.2° 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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