The class course details helps you set a Start and End Dates for your course.
By default the Start Date is set to the date of creating your class and the End Date is 3 months after the Start Date, however you can change it.
1- From Classes view (the first view after you open the app), Tap " Select" button on the top right corner.
2- Tap on your class to select it.
3- Tap Edit button in the top bar.
4- Edit the "Course Start Date" and "Course Start Date".
NOTE:
The Course End Date is used to set the repeat end date of the recurrent lessons that you can add in theTimetable.