Canvas: Section Start and End Dates

Adjust start/end dates of a section for a student added to a course to complete work from a previous semester

Change the dates for a section

Navigate to Settings then select the Sections tab at the top. 

The section with an asterisk (*) in front of it has been created to allow for the additional student outside of the normal registration.  Click on that section name. 

From the section details page select Edit Section

From there the start and end dates of the individual section can be adjusted.