Sunrise and sunset in Libertador General San Martín, Argentina

Sunrise, sunset and twilight for Libertador General San Martín today, in local time. At 23.8° S, days run from 10 h 40 min at the winter solstice to 13 h 37 min at the summer solstice.

  • 19:31sunset today
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Today · worked out at

In Libertador General San Martín, Argentina on Thursday, October 29, the Sun rises at 06:34 and sets at 19:31.

Day length 12 h 57 min, 1 min 16 s longer than yesterday.

Solar noon at 13:02, with the Sun 80° above the horizon.

Times are Libertador General San Martín time (GMT-3).

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Twilight and golden hour today

TodayMorningEvening
Astronomical twilight05:1520:51
Nautical twilight05:4320:22
Civil twilight06:1119:54
Sunrise and sunset06:3419:31
Golden hour06:34–07:0519:00–19:31

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

The year in Libertador General San Martín

  • Longest day: December 21, 13 h 37 min, from sunrise at 06:29 to sunset at 20:05.
  • Shortest day: June 21, 10 h 40 min, from sunrise at 08:01 to sunset at 18:41.

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

DateSunriseSunsetDay length
January 2106:4920:1013 h 21 min
February 2107:1019:5412 h 44 min
March 2107:2319:2812 h 06 min
April 2107:3518:5911 h 24 min
May 2107:4918:4210 h 53 min
June 2108:0118:4110 h 40 min
July 2107:5918:5110 h 52 min
August 2107:4019:0411 h 24 min
September 2107:0919:1512 h 05 min
October 2106:4019:2712 h 46 min
November 2106:2419:4613 h 22 min
December 2106:2920:0513 h 37 min

Good to know

  • Sunrise and sunset mark the moment the Sun’s upper edge touches a level horizon, with the air’s usual bending of light allowed for. Hills, buildings and altitude move 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 23.8° S, 64.8° 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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