When is winter? From what month to what month?

This year165438+1October 7th is the19th solar term in 24 solar terms-beginning of winter.

Winter is one of the four seasons, between autumn and spring. Astronomically speaking, it was from February to March in 65438. China used to refer to the three months from beginning of winter to beginning of spring, and also referred to the "October, November (winter) and December (wax) months" of the lunar calendar.

The time in the northern and southern hemispheres is different. According to the meteorological significance, in the temperate and cold regions of the southern hemisphere, the winters are in June, July and August (or from May 2/kloc-0 to August 22 according to the constellation standard), and in the temperate and cold regions of the northern hemisphere, the winters are in 12, 1 and February (or according to the constellation standard 16544)

According to the meaning of solar terms, winter begins at the beginning of winter and ends in beginning of spring. Westerners generally call winter the solstice and spring the winter. From the climatological point of view, it is winter when the average temperature is lower than 10℃ for five consecutive days.

"Cold and cold, frozen into a ball." A cold air after New Year's Day let Yangcheng know the color of winter. Before and after the slight cold, due to the sudden drop in temperature, the number of patients seeing colds in major hospitals soared. Cold air At present, many citizens exercise to strengthen their physique and resist the attack of colds. However, Chinese medicine and western medicine experts told reporters in unison that winter morning is not a good time to exercise. Improper morning exercise can not only keep fit, but may attract a cold. The elderly are the main force of morning exercises, and winter morning exercises should be more alert to the onset of cardiovascular and cerebrovascular diseases.