What is the Ding God of Great Liu Ren? What is Martin?

Every earthly branch in Biography of Liu Ren must be accompanied by the first half of the year, and Ding in the middle of ten days is the "Ding God", also known as Ding God.

For example, Jiazi Day, the arrangement is ugly, Bing Yin, Ding Mao, ... This Ding Mao is Ding Shen and Martin. I will follow this example.

It is usually used as a lesson, so look at the sky plate.