University Of Houston 2020 2021 21 Calendar. Last day for official withdrawal from any class with a W. Classes are not in session on the following holidays.

The add/drop dates listed on the Academic Calendar are specific to full-term courses.
The calendars below are for the current academic year.
Click here for a PDF version of this calendar. All offices and most University buildings are also closed. The semester dates for some degree programmes diverge from the standard University academic year structure.