What is the age of eighteen beats in love?

265438+1920s. This decade has gone from "... the first 10" to "... the ninth in every century, such as 1990 ~ 1999, which is the 1990s. Therefore, 20 18 is in the 1 920s, and the century added1at the beginning of the year. Therefore, the release date of Bat Eighteen is September 20 18, and 20 18 belongs to the1920s.