What time is it invalid to punch in after work?

When the punching time period is not set, the latest punching time of the mobile phone terminal is within 12 hours after the punching time. For example, the shift time is 9: 00- 18: 00, and the latest punching time is before 6: 00 Ling Zhan time the next day. If the administrator sets the clock-in time for work to 4 hours in advance, you can clock in at 5: 00. If the employee didn't punch in the card the day before, he/she needs to punch in first and then punch in.