By default, labs will be available throughout the semester, but you can easily assign your own start and due dates.
Go to the Assignments pageOn your Courses page, click the title of the section where you want to add due dates to your labs.
Click "Set due date"Click the Set due date link on the right for the lab you'd like to update.
Enter the desired date(s)Click in the Start Date and Due Date fields to type or use the calendar icon to select dates from a calendar.
Note: You must set both Start and Due Dates for this feature to work properly. If you do not have a specific start date for the assignment, just select the current date.
Students will only be able to access the lab and lab assignment between these two dates starting and ending at midnight PST.
You can repeat this process to change or remove these dates at any time.