In school for handling employee in better way you define employee's entry time. In Employee In-Voucher you enter entry time of your employee. In order to access this menu you go through this tag; Transaction>Employee Activity>>Employee In Voucher.
As you click the tag a window will open to you in which just fill the four basic information;
Similarly a option is also being given to you named Employee Out Voucher. You can traced this option by Transaction>Employee Activity>>Employee Out Voucher. This option is used for entering Out timing of the employee.