What does the winter solstice mean in Ding 'an, Hainan?

The winter solstice, also known as the Winter Festival and the Solstice Festival, is an important solar term in the China lunar calendar and a traditional festival of the Chinese nation. The winter solstice is the earliest of the 24 solar terms, which originated in the Spring and Autumn Period. In ancient China, the earth gauge was used to observe the sun and determine the winter solstice. The time is between 65438+February 2 1 and 23 in the Gregorian calendar every year.

From winter to the sun, the sun's direct ground position reaches the southernmost point of the year, almost directly to the tropic of Capricorn; The northern hemisphere has the least sunshine, 50% less than the southern hemisphere; In the northern hemisphere, the shortest day, the farther north, the shorter the day.

The ancients said to the winter solstice: When the cathode arrived, Yang began to grow. Chen Zhisui's Collection of Classrooms contains: Summer is the end of autumn equinox, and spring is the winter solstice. It is also said that the solstice in winter is in the south of the sky, and the days are short and the shadows are long.