Student CRM's Years of Entry follow the convention of the academic year running from September to August. Twelve months spanning 2 calendar years, for example:
A course with the Year of Entry '2021' starts in Sep 2021 and ends in Aug 2022.
There may more than one Course Intake: maybe Sep 2021 and also Jan 2022:
You can manage your courses in the 'Courses & Subjects' app: