The Academic Year is divided into two semesters, separated from the examination session the winter, which runs from January to the second week of February, a period in which the lessons are suspended. Later in the second half of the year is the summer session, which begins in mid-June and ends at the end of July, while the recovery covers the end of August and the first half of September. For more information on the academic calendar: http://polimi.it/studenti-iscritti/calendario-e-scadenze/