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 2021
February 26 – May 2
February 26Students register
March 1Classes begin
March 22-30Spring graduations (postgraduates)
March 30Graduation Ceremony
April 4Qingming (Tomb-sweeping) Festival
April 27-May 2Examinations
May 1International Workers' Day
Summer Quarter 2021
May 3 – July 8
May 3Classes begin
May 15Sports Meeting
May 21124th anniversary of ZJU
June 14    Duanwu (Dragon-boat) Festival
June 21-30 Summer graduations
June 29-30Graduation Ceremony
June 30-July 8Examinations
Autumn Quarter 2021
September 10 – November 7
September 10-11Domestic students register
September 13Classes begin
September 19-21Mid-Autumn Festival
September 20-30Autumn graduations (postgraduates)
October 1-7National Day Holiday 
October 22-24Sports Meeting

November 6-7

November 13-14

Winter Quarter 2021
November 8, 2021 – January 14,2022
November 8Classes begin
December 21-30Winter graduations (postgraduates)
December 31ZJU Students' Day
January 1New Year's Day
January 5-14Examinations
January 15-February 18Winter vacation
Spring Quarter 2022
February 18 – April 17
February 18Students register
February 21Classes begin
March 21-30Spring graduations (postgraduates)
March 30Graduation Ceremony
April 5Qingming (Tomb-sweeping) Festival

April 16-17

April 23-24

Summer Quarter 2022
April 18 – June 27
April 18Classes begin
May 1International Workers' Day
May 14Sports Meeting
May 21125nd anniversary of ZJU
June 3   Examinations
June 13-26   Duanwu (Dragon-boat) Festival
June 17-26 Summer graduations
June 25-26Graduation Ceremony