Sunrise and sunset in Buin, Chile

Today’s sunrise, sunset and twilight in Buin, in local time. At 33.7° S, the day lasts from 9 h 55 min at the winter solstice to 14 h 24 min at the summer solstice.

  • 20:06sunset today
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Today · worked out at

In Buin, Chile on Tuesday, October 27, the Sun rises at 06:47 and sets at 20:06.

Day length 13 h 19 min, 1 min 57 s longer than yesterday.

Solar noon at 13:26, with the Sun 69° above the horizon.

Times are Buin time (GMT-3).

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Twilight and golden hour today

TodayMorningEvening
Astronomical twilight05:1721:36
Nautical twilight05:5021:03
Civil twilight06:2120:32
Sunrise and sunset06:4720:06
Golden hour06:47–07:2119:32–20:06

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

The year in Buin

  • Longest day: December 21, 14 h 24 min, from sunrise at 06:29 to sunset at 20:53.
  • Shortest day: June 21, 9 h 55 min, from sunrise at 07:47 to sunset at 17:42.

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

DateSunriseSunsetDay length
January 2106:5420:5414 h 00 min
February 2107:2420:2813 h 04 min
March 2107:4719:5212 h 06 min
April 2107:1018:1211 h 03 min
May 2107:3217:4610 h 15 min
June 2107:4717:429 h 55 min
July 2107:4217:5610 h 14 min
August 2107:1418:1711 h 03 min
September 2107:3319:3812 h 05 min
October 2106:5420:0113 h 07 min
November 2106:2820:2914 h 02 min
December 2106:2920:5314 h 24 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 33.7° S, 70.7° 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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