Usually occurring during the night between December 21 and 22 each year, the winter solstice is known as the shortest day of the year. It represents the time when the sun appears at it’s southernmost point in the sky.
The date mentioned beforehand applies to the Earth’s northern hemisphere where it is known as the southern solstice. On the southern hemisphere on the other hand, it is called the northern solstice, and occurs annually on June 20 to 21.
During this day, sunlight lasts about 9 hours only on average. That is six hours less when compared to the summer solstice, or the longest day of the year.
Interestingly enough, the Earth’s extreme points have extreme sunlight time during the winter solstice, with the southern Antarctic circle getting 24 hours of pure daylight and the northern Arctic Circle being in pitch darkness for the entire day.