The first time was in the middle and late March after the Spring Festival in 2022, and the second time was in the middle and late September in 2022.

Because the students of Zhengzhou University basically come to Zhengzhou University from other places to study, it takes one to several days to get to Zhengzhou from their hometown, and the journey is relatively long. In order to avoid the railway peak, college students start school a few days later than primary and secondary school students.