Solstice Winter

Solstice Winter is an important solar term in the Chinese lunar calendar, and is also a traditional festival of the Chinese nation. As early as in the spring and Autumn period more than 2 thousand and 500 years ago, Chinese had to observe the sun with tugui, determination of the winter solstice, it is one of the twenty-four solar term worked out in the first time, between the Gregorian calendar year December 21st ~23.