There are countless cultures that have recognized the winter solstice. When the sun rises on the winter and summer solstices, its rays shine through a small hole at the top of one of the stone buildings, which creates a starburst effect.
Across the world in Mexico's Yucatan Peninsula, the ancient stonewalled Mayan city of Tulum also has a structure honoring the solstices.
The winter solstice is marked with ceremonies and celebrations across the globe.
That phenomenon is caused by Earth's axial tilt of about 23.5 degrees.
The solstice, which marks the start of winter, is actually a single moment in the Earth's orbit when the northern hemisphere is most inclined away from the sun.
Therefore, the most direct sunlight shifts between a band of latitudes, specifically between the Tropic of Cancer and Tropic of Capricorn, throughout the year, leading to the change of seasons seen in the middle and higher latitudes.
2018's winter solstice is bringing a full moon and possible meteor shower with it!
That's the Doodle on search engine Google's page on Winter Solstice day. Less direct solar radiation means less heating of the ground in the winter hemisphere.
Today, on December 21, the sun will rise around 7:54 a.m. and set at 4:20 p.m.in Seattle, marking the shortest day of the year. Meanwhile, the Southern Hemisphere marks the summer solstice, when daylight hours are longest.