What year does Gengzi Year refer to?

The year of boxer refers to 1840, 1900, 1960 and 2020.

Gengzinian is one of the 60 groups of traditional culture in China, ranking 37th. The year before it was the year of self-happiness, and the year after it was the year of sorrow and ugliness. It roughly corresponds to the Gregorian calendar year, such as 1840, 1900, 1960, 2020, 2080, etc. (60 year cycle). The specific algorithm is that the number of years over 60 is divided by 40, or the number of years is reduced by 3, the remainder divided by 10 is 7, and the remainder divided by 12 is 1. All the years from beginning of spring in that year to beginning of spring in the following year are "boxer years".