At Griffith you can search for the timetable through the Timetable Search function. You can also view the timetable of a course by clicking on the timetable link once you have located the course in the Programs and Courses database. You do not need a username and password to view the timetable.
At UQ the timetable is available in mySI-net. If you do not understand the timetable please visit Planning your class timetable.