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After saving, you can now view the Single Calendar component under the Person Account (Student) layout.
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When viewing the Calendar LWC on an Account (Person Account) record,
If the Account’s Primary Educational Institution → Default Timetable Structure → Day Start is populated, then Calendar LWC Start Time will be equal to the Day Start.
If the Account’s Primary Educational Institution → Default Timetable Structure → Day Start is empty, then Calendar LWC Start Time will be equal to the PosiEd Settings' Calendar Start Hour.
If the Account’s Primary Educational Institution → Default Timetable Structure → Day End is populated, then Calendar LWC End Time will be equal to the Day End.
If the Account’s Primary Educational Institution → Default Timetable Structure → Day End is empty, then Calendar LWC End Time will be equal to the PosiEd Settings' Calendar End Hour.