What are the three winters in winter?

Winter is divided into Mengdong, Zhongdong and Ji Dong. Mengdong is 10 month, Zhongdong is10 month, and Ji Dong is 12 month. According to the meteorological division, the winter in the northern hemisphere is 12 to February of the following year, and the southern hemisphere is from June to August, which is divided by solar terms.

Winter is divided into several stages.

1, in the dead of winter

Winter is divided into Meng Dong, Midwinter and Ji Dong. The ancients divided winter into three parts, in which Meng Dong is 10 month, Midwinter is1/kloc-0 month, Ji Dong is 12 month, and winter lasts for three months * * 90 days, so winter is also called Nine Winter.

2. Meteorological department

According to the meteorological division in winter, the northern hemisphere should be from 65438+February to the following February, that is, 1 1 8 in the constellation standard, while the southern hemisphere should be from June to August, that is, from May 2 1 to August 22 in the constellation standard.

3. Division of solar terms

According to the solar terms, winter should start in beginning of winter and end in beginning of spring. Westerners usually call the period from solstice to vernal equinox winter. In addition, in meteorology, the period when the average temperature is less than 5 days and less than 10 degrees is generally designated as winter.