When Is The Shortest Day Of The Year. In Dayton the amount of daylight received on Dec. This means days get longer during wintervery slowly at first but at ever-larger daily intervals as the March equinox approaches heralding the start of spring.
Conversely the day of the December solstice is the longest day of the year in the Southern Hemisphere. The word solstice literally means in Latin that the sun is standing still. About Shortest Day of the Year.
Some years this shifts to December 22 as it did in 2019.
Shortest Day of the Year in the Northern Hemisphere. The shortest day of 2021 is Tuesday December 21 - otherwise known as the winter solstice marking the day of the year with the fewest sunlight hours. The shortest day of 2021 is Tuesday December 21. When is the shortest day of the year.