A knowledge base article about Why can't I see appointments in the calendar? provided by the UC Berkeley IT Service Hub - Knowledge Portal
To minimize clutter, Scheduler appointment slots are not displayed in the bCourses calendar. In order to view and sign up for an appointment slot, select the "Find Appointment" button on the right side, and select the associated course.
For more information on finding and signing up for scheduler appointments, see How Do I Sign Up For A Scheduler Appointment In The Calendar.