The working hours of the station service staff of our subway company are determined according to the passenger flow of each station, but most of them are divided into three shifts in the morning, middle and evening, and there is not much time difference between stations.
The morning shift is from 8 to 9 18.
The middle shift is 13 and 14 to 22 o'clock.
The night shift is from 2 1 to 9: 00 the next day.
There are more morning shifts and night shifts, and night shifts are about 4 times a month.