What is the second "spring" in "Spring Rain in beginning of spring, Qingxi Valley Day"

The vernal equinox is the midpoint of 90 days in spring. One of the twenty-four solar terms, every year on February 15 of the lunar calendar (about March 20 -2 1 of the Gregorian calendar), when the sun is located at 0 (vernal equinox) of the yellow meridian. On the vernal equinox, the sun shines directly at the equator of the earth, and the seasons in the northern and southern hemispheres are opposite. The northern hemisphere is the vernal equinox and the southern hemisphere is the autumnal equinox. The vernal equinox is a new year in Iran, Turkey, Afghanistan, Uzbekistan and other countries, with a history of 3,000 years. Twenty-four solar terms: "in mid-February, half a minute, that is, half of 90 days, so it is called minutes." Autumn is synonymous. "