January 17 – March 5, 2012
March 12 – April 29, 2012
May 8 – June 25, 2012
July 5 – August 22, 2012
September 4 – October 22, 2012
October 30 – December 17, 2012
For online students enrolling at Boston University, there is a fall semester (September through December, comprising both Fall 1 and Fall 2 online sessions), a spring semester (January through May, comprising both Spring 1 and Spring 2 online sessions), and Summer Term (May through August, comprising Summer 1 and Summer 2 online sessions).