33+ Winter Solstice Background. The winter solstice marks the day with the shortest period of daylight and the longest night of the year (in the northern hemisphere), all thanks to the tilt of the earth. While the winter solstice occurs at the same moment in time all over the world, the date and local time differ from location to location depending on a location's time zone.
Jupiter and saturn are the closest. December 21st, 2020 (winter solstice of 2020) is what everyone is talking about, as it's the great conjunction! It happens twice yearly, once in each hemisphere (northern and southern).
Jupiter and saturn are the closest.
There are actually 2 winter solstices every year. Jupiter and saturn are the closest. The winter solstice is the shortest day and longest night of the year in the northern hemisphere, while the southern hemisphere experiences just the opposite. Discover the science of why it happens and where you can enjoy the best celebrations of ancient traditions.