The formula is as follows:
The rain is clear, and the vernal equinox is the head of the river.
Grain Rain sent it from Quekui and Xiaoman God.
Summer is unlucky until the sun, and summer is brighter at noon.
Summer is too late, and the autumnal equinox is the highest day.
Mao taichong of the first frost, yin gongcao of xiaoxue,
The winter solstice is ugly, and the great cold is the queen of God.