How are spring, summer, autumn and winter divided? What month?

Spring is from January to March in the lunar calendar, that is, from beginning of spring to long summer; Summer is from April to June in the lunar calendar, that is, the long summer solstice in beginning of autumn; Autumn is from July to September in the lunar calendar, which is from beginning of autumn to beginning of winter. Winter is from October to December of the lunar calendar, that is, from winter to the next spring. According to the meteorological division, spring is March to May, summer is June to August, autumn is September to 1 1 month, and winter is1February to February.

In climate, the four seasons are distinguished by temperature. In the northern hemisphere, generally speaking, March-May is spring, June-August is summer, September-165438+1October is autumn, and12-February is winter. In the southern hemisphere, the time of each season is just the opposite of that in the northern hemisphere. It is summer in the southern hemisphere and winter in the northern hemisphere; It is winter in the southern hemisphere and summer in the northern hemisphere. There is no obvious boundary between seasons, and the change of seasons is gradual.