PE and W classes in Q1, Q2, Q3 and Q4 are 40 minutes long(starting at 10 min. past the hour and ending 10 min. before the hour). Classes run for 6 weeks and typically twice per week unless otherwise noted. See specific class information in the online course catalog. IAP classes are 60 minutes long for 4 weeks and are typically held twice/week unless otherwise noted. Instructors will send a course specific email to all students prior to day 1 of claseses.