winter solstice

The winter solstice is the day of the longest night of the year in the northern hemisphere, and the shortest night in the southern hemisphere.

The current Christmas tree or Christmas tree stems from the custom of burning a log on the Eastern solstice of the ancient Celts.

According to the Chinese calendar, four seasons in a year can be divided according to astronomy, such as Spring, Summer, Autumn and Winter. In which Dong Chi is the beginning of