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Solar Year Calendar 2021 (Argentina)


The following solar calendar shows information relevant to Buenos Aires, Argentina about the sunrise and sunset times and day length during 2021.

Choose a country from the list to get relevant information:

Length of Days in Buenos Aires

We show daylight length in Buenos Aires during 2021 and the equinoxes and solstices. From June 1, 2021 until June 20, 2021, daylight becomes shorter. From June 21, 2021 until December 21, 2021, daylight becomes longer. From December 22, 2021 until May 31, 2022, daylight becomes shorter.

Winter Solstice 
Vernal Equinox 
Summer Solstice 

Equation of Time vs Day of the Year

We show the equation of time during 2021. In the graph, the day of the year in the x axis starting from January, and the difference between mean solar time and apparent solar time in the y axis.

The day with the highest negative value is Monday, September 13 2021.

The day with the highest positive value is Saturday, June 5 2021.

Apparent solar time and mean solar time are of the same length on the following days of the year:

  1. Tuesday, January 12 2021 (Day 12)
  2. Saturday, April 3 2021 (Day 93)
  3. Tuesday, July 27 2021 (Day 208)
  4. Monday, November 15 2021 (Day 319)

Equation of Time 
Autumnal Equinox 
Winter Solstice 
Vernal Equinox 
Summer Solstice 

Schedule of Solar Events

Time of sunrise, sunset, dawn and dusk in Buenos Aires during 2021.

    Solar Noon 
    Content last updated on 2016-10-26