The origin of the four seasons: While our earth is constantly orbiting the sun, it is also rotating around its own axis, but the axis is not perpendicular to the orbital plane, but has an inclination of 23 degrees and 27 arc minutes. It is precisely because of the existence of this inclination that the direct point of the sun on the earth's surface moves between the Tropic of Cancer, thus forming the four seasons of spring, summer, autumn and winter.
Spring: Spring refers to the period from spring to summer in China' lunar calendar, that is, the first, second and third months of the lunar calendar, including the six solar terms of spring, rain, sting, spring equinox, Qingming and valley rain, and its climate is characterized by warm and humid.
Summer: Summer refers to the period from summer to autumn, that is, the fourth, fifth and sixth months of the lunar calendar, including the six solar terms of Summer, Xiaoman, Mangzhong, Summer Solstice, Xiaoxia and Daxia. The climate of summer is characterized by hot heat, which is a season of steaming heat.
Autumn: Autumn refers to the period from autumn to winter, that is, the seventh, eighth and september of the lunar calendar, including the six solar terms of autumn, summer, white dew, autumn equinox, cold dew and frost. The climate characteristics of autumn are mainly dry, and people often describe it as "autumn high and cool" and "dry wind and dry".
Winter: Winter begins with the standing winter of the lunar calendar and ends in the spring of the following year, including the six solar terms of winter, light snow, heavy snow, winter solstice, small cold, and great cold, that is, october, November and December of the lunar calendar. The climate in winter is characterized by mainly cold. Winter is the season when all things are lurking and hiding, when the weather is cold and cold, everything is withering, and it is a scene of depression and scattered.
So after the four seasons of the year, everything goes through a cycle of activity. Therefore, the year is clearly divided into four seasons: spring, summer, autumn and winter. And there is no season five. Hope my sharing can bring you better!!