This chapter contains these topics: Section 6.1, Setting Up a Work Day Calendar,. Section 6.2, Generating Work Day Calendar,. Section 6.3, Setting Up a Schedule,. Section 6.4, Changing a Schedule.. Each of your lots must have a schedule. To generate schedules, you first need to set up a work day calendar. The work day calendar identifies each work day of the month as being a work day, a holiday, a weekend day, and so on.