A calendarA project calendar lists time intervals in which activities ... More of working days and nonworking days that determines those dates on which each specific resourceSkilled human resources (specific disciplines either individ... More is idle or can be active. Typically defines resourceSkilled human resources (specific disciplines either individ... More specific holidays and resource availabilityThe level of availability of a resource, which may vary over... More periods. See also project calendarA calendar of working days or shifts that establishes those ... More.