Start and end dates specify when students can access a module or topics within a module. If you set a start, end, or due date for a topic or module, it will appear on the Course Schedule page and the Agenda view in the Calendar tool. Setting a due date and no end date, or setting a due date with an end date later than the due date enables students to access and complete the topic from the Overdue tab on the Course Schedule page.
Note: For Assignments added to Content: Adding a due date to an Assignment from the Content tool will override an existing end date that is further in the future. The due date also overrides the end date in the Calendar tool.