The University's academic year is divided into four quarters (Fall, Winter, Spring, and Summer) each with around nine weeks of instruction. The dates for each academic year are usually confirmed before the summer holiday.

Spring Quarter 2018
March 5 – May 6
March 3Students register
March 5Classes begin
March 24-30Spring graduations (postgraduates)
March 30Graduation Ceremony
April 5-7Qingming (Tomb-sweeping) Festival
April 29 - May1International Workers' Day
May 2-6Examinations
Summer Quarter 2018
May 7–July 11
March 7Classes begin
May 19Sports Meeting
May 21121st anniversary of ZJU
June 16-18     Duanwu (Dragon-boat) Festival
June 24-30 Summer graduations
June 30Graduation Ceremony
July 2-11Examinations
July 12-August 12Summer vacation