The purpose of the night differential is to compensate staff members performing night-time duty functions. Hours of Night-Time Duty. For staff members stationed in: a) Headquarters duty stations, night-time duty hours are between 6:00 pm and 9:30 a.m. b) Non-headquarters duty stations, night-time duty hours are established by the Resident Representatives (RR), following interagency consultation.
Overtime means the time worked in excess of the scheduled workday or scheduled workweek or during any of the UN official holidays. 2. The following is not considered as overtime: a) Time spent travelling to and from the place of work; b) Work performed during the lunch period; c) Work performed outside regular working hours due to the adoption of a shift system except when the total time worked exceeds the scheduled workday or workweek. Overtime compensation (OC) is payable to General Service (GS) staff members, with Permanent, Continuing or Fixed-Term appointments governed by the UN Staff Regulations and Staff Rules. OC is neither payable to National Professional Officers (NPOs) nor to International Professional staff members.