1. Spring solar terms: beginning of spring, the date is February 3-5 on the Gregorian calendar, which means that spring begins; Rain, the date is February 18-2, Gregorian calendar, which means that the rain begins and the rain increases gradually; Startled, the date is March 5-7, Gregorian calendar, which means that the sudden movement of spring thunder wakes up the animals that are dormant and hibernating in the soil; Vernal equinox, the date is March 2-22 in Gregorian calendar, which means equal division of day and night; Qingming, the date is April 4-6 in the Gregorian calendar, which means sunny weather and lush vegetation; Grain Rain, the date is April 19-21 in Gregorian calendar, which means that rain moistens the earth and grains can grow.

2. Summer solar terms: long summer, the date is May 5-7 in the Gregorian calendar, which means that summer begins and everything grows vigorously; Xiaoman, the date is May 2-27 in Gregorian calendar, which means that the seeds of summer crops such as wheat begin to be full; The date of awn seed is June 5-7 in Gregorian calendar, which means that awned crops such as wheat are mature; Summer solstice, the date is June 21-22 in Gregorian calendar, which means that hot summer is coming; Slight summer heat, the date is July 6-8 in Gregorian calendar, which means that the climate is getting hot; Great summer, the date is July 22-24 in Gregorian calendar, which means the hottest time of the year.

3. Autumn solar term: beginning of autumn, the date is August 7-9 in the Gregorian calendar, which means that the temperature gradually drops from the hottest in autumn; Summer, the date is August 22-24 in Gregorian calendar, which means the end of hot summer days; White dew, dated September 7-9 in Gregorian calendar, means that the weather turns cold and the ground water vapor condenses; Autumnal equinox, the date is September 22-24 in Gregorian calendar, which means equal division of day and night; Cold dew, the date is October 8-9 in Gregorian calendar, which means that the dew is cold and will freeze; First frost, the date is October 23-24 in Gregorian calendar, which means that the weather is cold and there is frost.

4. Winter solar terms: beginning of winter, the date is November 7-8 in Gregorian calendar, which means the beginning of winter; Light snow, the date is November 22-23 on the Gregorian calendar, which means it begins to snow; Heavy snow, the date is December 6-8 in Gregorian calendar, which means that the snowfall is increasing and there may be snow on the ground; Winter solstice, the date is December 21-23 in Gregorian calendar, which means that the cold winter is coming; Slight cold, the date is January 5-7 in Gregorian calendar, which means to enter the cold season; Great cold, the date is January 2-21 in Gregorian calendar, which means the weather is the coldest time of the year.