How are the four seasons divided?

1, astronomical division method: from the astronomical phenomenon, the change of four seasons is the seasonal change of the length of day and night and the height of the sun. In a year, the season with the longest day and the highest sun height is summer, the season with the shortest day and the lowest sun height is winter, and the transitional season between winter and summer is spring and autumn.

2. Meteorological division: In meteorological departments, March to May is usually spring, June to August is summer, September to 165438+ 10 is autumn, February to February is winter, 1, April, July, 10 and so on.

3. Ancient division method: beginning of spring on February 4th or 5th in beginning of spring, long summer on May 5th or 6th in long summer, beginning of autumn on August 7th or 8th in beginning of autumn, and beginning of winter on1October 8th or 9th in beginning of winter.

4. Lunar calendar division method: China folks traditionally use the lunar calendar to divide the four seasons. Spring is June 1 to March, summer is April to June, autumn is July to September, and winter is June 10 to June 12. The first day of the first month is the first day of the year and the first day of spring, so it is also called the Spring Festival.