Fortune Telling Collection - Zodiac Guide - 1 1 Is it autumn or winter?
1 1 Is it autumn or winter?
Meteorologically, autumn in north temperate zone is from August 23rd (summer) to165438+1October 20th (light snow). Autumn in the south temperate zone is from February 19 (rain in the northern hemisphere) to May 2 1 (xiaoman in the northern hemisphere).
Astronomically speaking, it is believed that winter lasts from February to March in 65438 AD. 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)
Extended data
Autumn temperature: As can be seen from the date distribution map of beginning of autumn in China, Northeast China is the earliest place in beginning of autumn in eastern China. In autumn, the cold air in the north is constantly invading, but its power is not very strong. Autumn weather often forms in northern China, and continuous autumn rain often appears in West China.
The temperature will gradually drop in autumn, but it is generally slower than in winter. Due to the difference of dry and wet conditions, there will be cold and rainy weather conditions or dry and cool weather conditions in different regions. In the cold late autumn, due to the large temperature difference between day and night, the water vapor transpiration during the day will condense at night, either dew or frost.
Baidu Encyclopedia-Autumn
Baidu Encyclopedia-Winter
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