Shift Differential The shift differential for employees working on assigned shifts which begin before 6:00 A.M. or which end at or after 7:00 P.M. shall be sixty-five cents ($0.65) per hour for all hours worked on that shift. Such shift differential shall be in addition to the employee's regular rate of pay and shall be included in all payroll calculations, but shall not apply during periods of paid leave. Employees working the regular day schedule who are required to work overtime or who are called back to work for special projects shall not be eligible for the shift differential.