Urgent: How to calculate the ancient calendar of cadres and branches? Kneel down and thank all the learned masters.

The concept of trunk and branch: the sky is the trunk and the earth is the branch. The ten-day work is: a, b, d, e, g, n, n; The twelve branches are: Zi Ugly Yin Mao, Tatsumi Shen You Noon Xu Hai. Sixty jiazi: ten stems and twelve branches are combined into sixty units in turn. The combination method is odd-numbered trunk with odd-numbered ground branches and even-numbered trunk with several ground branches. From Jiazi to Guihai, it is called Sixty Jiazi. Chronology of Ganzhi: It originated in the Yin and Shang Dynasties. Since the Spring and Autumn Period and the Warring States Period, it has become a traditional method for historians to record a day. Up to now, the calendar with the longest application time in the world: the calendar days of trunks and branches in Lu Yingong during the Spring and Autumn Period (February +00 BC) lasted for more than 2,600 years until the third year of Xuantong in the Qing Dynasty (A.D. 19 1 1 year). The method of recording the day with heavenly stems: it may have been produced as early as the Xia Dynasty, that is, ten words such as A, B, C and D are used to record the day. After that, it gradually stopped being used. This is what people usually call sixty jiazi. In the past, people used this method to record the year, day and time.

Sixty-year jiazi table

1. jiazi 1 1. JOE 2 1. Shen Jia 3 1. Wu Jia 4 1. Chen Jia 5 1. good news

2. bUgly 12. Yihai 22. B you are 32. B Wei 42. B Si 52。 B hair

3. Bing Yin 13. Bingzi 23. Xu Bing 33. Bing Shen 43. Wu Bing 53. Chen Bing

4. Ding Mao 14. Ding Chou 24. Ding hai 34. Ding has 44. Ding Wei 54. Dingsi

5. Chen Wu 15. Wu yin 25. Takeko 35. Wu Xu 45. Wu Shen 55. Wu Wu

6. Keith 16. Ji Mao 26. Ji Chou 36. Ji hai 46. Ji You 56. Vicky.

7. Wu Geng 17. Chen Geng 27. Geng Yin 37. Gengzi 47. Geng Xu 57. Gengshen

8. Xin Wei 18. Sims 28. Xinmao 38. Xin Chou 48. Xinhai 58. Heart

9. Ren Shen 19. Renwu 29. Renchen 39. Voice 49. Renzi 59. Ren Xu

10. Gui You 20. Guiwei 30. Guisi 40. Guimao 50. Guichou 60 Guihai

Jia Zi is the first day, Yi Chou is the second day, and Bing Yin is the third day ... 60 days a week. At the weekend, it starts from Jiazi Day and goes on and on. For example, in the fourth year of the lunar calendar (1989), the first day of the first month is Ding You Day, and the second day is the Reform Day ... The seventh day of March is exactly 60 days, so the second day of March is Ding You Day again. If you want to know which day, just find the latest day you know and push it to the table. Why not find a perpetual calendar online?