How to calculate the heavenly stems and earthly branches Chronology?

The calculation method of heavenly stems and earthly branches Chronology is:

The ten heavenly stems "A, B, C, D, E, Ji, G, Xin, Ren and Gui" and the twelve earthly branches "Zi, Ugly, Mao, Chen, Si, Wu, Wei, Shen, You, Xu and Hai" are used alternately, and only one is used for each stem.

One cycle of heavenly stems and earthly branches chronology is as follows:

1 .jiazi 2. Ugly B 3 Bing yinsi. Ding Mao 5. Chen Wu 6. Keith seven. Wu Geng 8. Wei Xin 9. Ren Shen 10. Gui You

1 1. JOE 12. Yihai 13. Bing Zi 14. Ding Chou 15. Wuyin 16. Bazaar 17. Chen Geng 65438.

2 1. Shen Jia 22. Yiyou 23. Bingyou 24. Ding hai 25. Wuzi 26. Ugly 27. Geng yin is twenty-eight Xinmao 29. Chen Yu 30. Hey;

3 1. Wu Jia 32. Yiwei 33. Shen Bing 34. Ding Wei 35. The reform movement of 1898. Jihai 37. Gengzi 38. Xin Chou 39. Yin Yan 40. Hey;

4 1 .Chen Jia 42. Yisi 43. It's forty-four in the afternoon. Ding Wei 45. Wu Shen 46. Ji You 47. Geng Yi 48. Xinhai 49. Xunzi 50. Ugly;

5 1 .52 good news. Mao yi 53. Chen Bing 54. Ding si 55 Wu Wu 56. Wiki 57. Geng Shen 58. Heart has 59. Ren Xu 60. Guihai.