Working time refers to the duration during which an individual is engaged in productive activities. There are several synonyms that can be used in place of the term "working time". These synonyms include "business hours", "working hours", "office hours", "workday" and "shift". "Business hours" typically refers to the hours of operation for businesses and can be used interchangeably with "working hours" and "office hours". "Workday" refers to the period of time individuals spend working, while "shift" refers to the portion of the workday during which an individual is scheduled to work. These synonyms can be used to add variety and dynamism to discussions about working time.