| # Calendars and Periods Calendars define the working hours for resources in the company such as work centers, employees, warehouses, purchase offices, and sales offices. The calendars are used to determine lead times and start/end dates for activities carried out in a company, such as production, purchasing, warehousing, service and maintenance, and project activities. Calendars Calendars can be defined on a high level, such as enterprise unit and company level, and on a detailed level, such as when planning a resource. If a calendar is not found on the resource level, the calendar on a higher level will be used. |