What does Guimao Year mean?

Guimao is one of the main branches, ranking 40th among the sixty jiazi.

The first one is human voice, and the last one is Chen Jia. On the five elements of Yin and Yang, the heavenly stems belong to the water of Yin, and the earthly branches belong to the wood of Yin, which is called aquatic wood. The 40th year of a cycle in China's traditional calendar is called "Guimao Year". In the following AD years, the number of years over 60 is divided by 43, or the number of years is reduced by 3, and the remainder of division by 10 is 0, and the remainder of division by 12 is 4. The years from beginning of spring to beginning of spring in the following year were all "lost years".