What does "Broken Youth League Day" mean?

Interpretation: Every month, the 6th day of Jiayin, Gengyin, Renchen, Chen Wu, Gengshen and Jimao is the Broken Youth League Day. In ancient times, when buying and selling livestock could not be used.

Break the group day, pronounce pò qún rì.

Heavenly stems and earthly branches is referred to as the main branch for short.

Party A, Party B, Party C, Party D, Party E, Party B, Party G, Party A, Party B, Party C and Party B are collectively called Ten Days Dry;

Zi, Ugly, Yin, Mao, Chen, Si, Wu, Wei, Shen, You, Xu and Hai are called the Twelve Earthly Branches.