What is the 24 solar terms divided by? Twenty-four solar terms divided by ().

Some people think that the 24 solar terms are subordinate to the lunar calendar. In fact, they are defined according to the solar calendar, that is, according to the position of the sun on the ecliptic, the year is divided into 24 equal parts, that is, the ecliptic is divided into 24 equal parts, and each equal part accounts for 15 of the ecliptic. Because the time required for the sun to pass through each bisection is almost equal, the Gregorian calendar dates of the 24 solar terms are roughly the same: the first half of the year is on the 6th, and the second half is on the 6th.

June 2 1 day in the first half of the year, and August 23 in the second half.

In ancient times, solar terms were called "qi", and there were two qi in each month: the first qi was called "solar terms" and the second qi was called "zhongqi". The monthly distribution of the 24 solar terms is shown in the following table, which is closely related to the arrangement of the lunar leap month. In the lunar calendar, beginning of spring is the first of the 24 solar terms. The name of the 24 solar terms comes from the place pointed by Dou Gang and the natural climate and landscape at that time. That is, Kuixing, Xingxing and Piaoxing in the Big Dipper point to different directions and positions with the movement of celestial bodies, and the positions they point to are the months they represent. For example, the first month is cloudy, the spoon is cloudy at dusk, the scale is cloudy at midnight, and it is cloudy during the day; February is the base, dusk, midnight, day and so on.