The solstices ( from the latin solstitium ( Sun sistere ) "Sun still " ) they are the moments of the year in which the sun reaches its most or less apparent height in the sky, and the duration of the day or night are the maxims of the year, respectively. Astronomically, the solstices are the moments in which the sun reaches maximum Northern declination ( 23 ° 27 do ) or South ( do 23 ° 27 do )? with respect to the Earth's equator.
