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 2023
February 17 – April 16
February 17Students register
February 20Classes begin
March 21-30Spring graduations (postgraduates)
March 30Graduation Ceremony
April 5Qingming (Tomb-sweeping) Festival

April 15-16

April 22-23

Autumn Quarter 2022
September 9 – November 13
September 9-11Domestic students register
September 12Classes begin
September 9-11Mid-Autumn Festival
September 21-30Autumn graduations (postgraduates)
October 1-7National Day Holiday 
October 21-23Sports Meeting

November 5-6

November 12-13

Winter Quarter 2022
November 7, 2022 – January 12,2023
November 7Classes begin
December 21-30Winter graduations (postgraduates)
December 31ZJU Students' Day
January 1New Year's Day
January 2Examinations
January 12Winter vacation
Summer Quarter 2023
April 17 – June 26
April 17Classes begin
May 1International Workers' Day
May 13Sports Meeting
May 21126nd anniversary of ZJU
June 13   Examinations
June 22   Duanwu (Dragon-boat) Festival
June 16-25 Summer graduations
June 24-25Graduation Ceremony