December solstice

In the Northern Hemisphere, the December solstice is the winter solstice (the day with the shortest period of daylight), whilst in the Southern Hemisphere it is the summer solstice (the day with the longest period of daylight).

During December solstice, the Sun is directly over the Tropic of Capricorn, located in the Southern Hemisphere.

The length of the December-solstice year has been relatively stable between 6000 BC and AD 2000, in the range of 49 minutes 30 seconds to 50 minutes in excess of 365 days 5 hours.

This is longer than the mean year of the Gregorian calendar, which has an excess time of 49 minutes and 12 seconds.

[8][9][10][11][12][13] The data is arranged geographically and within the tables from the shortest day to the longest one.