solargraph

December 21, 2017
Winter Solstice GSFC

Happy December 2017 Solstice!

The December solstice for 2017 begins on Dec. 21st at 16:28 UT (11:28 am EST). It is called the winter solstice for the Northern Hemisphere and the summer solstice for the Southern Hemisphere. But what is the solstice exactly? There
December 20, 2016
Seeing Equinoxes and Solstices from Space - CREDIT: NASA Goddard

Happy December 2016 Solstice!

The December solstice for 2016 begins on Dec. 21st at 10:44 UT (5:44 am EST). It is called the winter solstice for the Northern Hemisphere and the summer solstice for the Southern Hemisphere.   But what is the solstice exactly?
December 21, 2014

The December 2014 Solstice

The December solstice for 2014 begins on Dec. 21st at 23:03 UT (6:03 pm EST, 3:03 pm PST.) It is called the winter solstice for the Northern Hemisphere and the summer solstice for the Southern Hemisphere. But what is the
June 20, 2014
During the solstices, Earth reaches a point where its tilt is at the greatest angle to the plane of its orbit, causing one hemisphere to receive more daylight than the other. (NASA/Genna Duberstein)

The June 2014 Solstice

The June solstice for 2014 begins on June 21st at 10:51 UT (6:51 am EDT.) It is called the summer solstice for the Northern Hemisphere and the winter solstice for the Southern Hemisphere. But what is the solstice exactly? There are two solstices in a