The above questions: birthdays must be divided according to solar terms, especially the year and month, the year before beginning of spring and the year after beginning of spring; The first month is before Frightening Festival, the second month is after Frightening Festival, and so on. Tomb-Sweeping Day, Long Summer Festival, Ear Seed Festival, Little Summer Festival, beginning of autumn Festival, White Deer Festival, Cold Dew Festival, beginning of winter Festival, Heavy Snow Festival and Slight Cold Festival are March, April, May, June, July, August, September, October, November and December. In the first year of Party A and Party B, Party C said: The first year of Party A and Party B, the first month of Party C, and so on. At the age of B Geng, E was the head, and at the age of C Xin, Ding Yin went down the river. If you ask e where the ghost is, it is easy to catch up with the good news.