How to check the heavenly stems and earthly branches of the moon in the perpetual calendar?

The name of heavenly stems and earthly branches in December of the lunar calendar can be calculated.

Calculation method:

Monthly stem formula: monthly stem = annual stem *2+ monthly branch (and greater than 10, directly take single digits).

Exodus Do you want to work in Mitsuki before the second year?

Answer: Gan = B *2+ Si =2*2+4=8= Xin.

Calculation formula of year and month of cadres;

In year A and B, C was the first. —— Every year is the year A and B, and the first month begins with C. ..

B is Geng years old, with E as the head. Every year is B or Geng years, and the monthly work in the first month starts from E..

Bing Xin must seek Geng-every year is the year of Bing Chen or the year of Xin Chou, and the monthly work in the first month begins with Geng.

Ding is downstream, and every year is Ding Nian or Rennian, and the work in the first month starts from Rennian.

What's more, there is no way to find it, and it is not bad to pursue it above Jiayin. -Every year is the year of Wuzi or Guiwei, and the month of the first month starts from A.