To Assign work hours or shifts to staff, follow the below procedure.
HR ---> Attendance ---> Manage Staff Attendance Shifts and Sessions ---> Select Branch ---> Click on the number of staff in a department against "Not Assigned Shift Name" ---> Select the Shift Name and Effective Date ---> Click on Save under Action column.
Note: The attendance can be captured from the date of assigning the shift, in case of biometric, they need to execute the job from those dates.