Winter solstice is one of the twenty-four (24) periods in the calendar.
What is the winter solstice day?
In Western astronomy terminology, it is a time that relates to the planet’s position in orbit around the Sun. It is when the Sun’s longitude equals 270 degrees in the Northern Hemisphere, and also the beginning of winter in the Northern Hemisphere.
So when it comes to this winter solstice in 2018, winter solstice 2019, winter solstice 2020, winter solstice 2021 …. is about from 21-22 / 12 annually.
Why does winter solstice have the longest night of the year?
The day of solstice occurs twice a year, one in the summer is called the summer solstice in June, and the other in winter is called the winter solstice in December. to the south, on the summer solstice the sun is highest on the north.
Mid-winter is the time around the winter solstice for many countries, although there are exceptions like the US, the winter solstice is the start of winter. There are many traditional festivals held on the winter solstice such as the Wicca Yule, one of the eight Sabbat festivals of the new neopagan. Many other cultures also celebrate this day or around this day such as the Yalda festival, Saturnalia festival, Christmas, Hanukkah, Festivus festival, Kwanzaa festival and HumanLight festival.
See more: What is leap year? Easy way to calculate leap years