Which solar term indicates where the sun is at the equator when it rains?

The rainy season starts from the beginning of the earthquake to the end of the earthquake. At this time, the direct sunlight is slowly approaching the equator. During the rainy season, precipitation begins to increase. The arrival of rain not only represents the increase of precipitation, but also represents the warming of temperature. At this time, it is refreshing to return to the earth in spring. At this time, the overwintering crops began to turn green and grow. Bacteria began to increase after the rain, and it was easy to catch a cold gradually. Everyone should be prepared to protect themselves.