Academic year in Russian universities at Preliminary Russian language course, Bachelor course and Master course consists of two semesters starting in September 1st and February 2nd. The semester duration is 5 months including exam sessions. The winter vacation - lasts from January 25th till February 1st. The summer vacation is from July 10th till August 31st. The educational programs at Ph.D. and D.Sc. courses as well as these of trainees programs can be started at any time excluding summer vacations period.