Sunrise and sunset in Iaçu, Brazil

Today’s sunrise, sunset and twilight in Iaçu, in local time. At 12.8° S, the day lasts from 11 h 22 min at the winter solstice to 12 h 53 min at the summer solstice.

  • 17:40sunset today
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Today · worked out at

In Iaçu, Brazil on Wednesday, October 28, the Sun rises at 05:08 and sets at 17:40.

Day length 12 h 31 min, 39 s longer than yesterday.

Solar noon at 11:24, with the Sun 90° above the horizon.

Times are Iaçu time (GMT-3).

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Twilight and golden hour today

TodayMorningEvening
Astronomical twilight03:5518:53
Nautical twilight04:2118:27
Civil twilight04:4718:02
Sunrise and sunset05:0817:40
Golden hour05:08–05:3717:11–17:40

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

The year in Iaçu

  • Longest day: December 21, 12 h 53 min, from sunrise at 05:12 to sunset at 18:05.
  • Shortest day: June 21, 11 h 22 min, from sunrise at 06:01 to sunset at 17:23.

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

DateSunriseSunsetDay length
January 2105:2918:1412 h 45 min
February 2105:4118:0712 h 26 min
March 2105:4417:5012 h 06 min
April 2105:4717:3111 h 45 min
May 2105:5217:2111 h 29 min
June 2106:0117:2311 h 22 min
July 2106:0317:3111 h 29 min
August 2105:5117:3611 h 45 min
September 2105:3117:3612 h 06 min
October 2105:1217:3812 h 27 min
November 2105:0417:4912 h 45 min
December 2105:1218:0512 h 53 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 12.8° S, 40.2° 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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