| April 27 – July 5 | |
|---|---|
| April 27 | Classes begin |
| May 1-2 | International Workers' Day |
| May 21 | 129th anniversary of ZJU |
| June 19 | Duanwu (Dragon-boat) Festival |
| June 21-30 | Summer graduations |
| June 25 | Examinations |
| July 5 | Summer vacation |
| February 27 – April 26 | |
|---|---|
| February 27 | Students register |
| March 2 | Classes begin |
| March 21-30 | Spring graduations (postgraduates) |
| March 30 | Graduation Ceremony |
| April 5 | Qingming (Tomb-sweeping) Festival |
April 25-26 May 9-10 | Examinations |
| November 10, 2025 – January 16, 2026 | |
|---|---|
| November 10 | Classes begin |
| December 21-30 | Winter graduations (postgraduates) |
| December 31 | ZJU Students' Day |
| January 1 | New Year's Day |
| January 7 | Examinations |
| January 17 | Winter vacation |
| September 12 – November 16 | |
|---|---|
| September 12 | Domestic students register |
| September 15 | Classes begin |
| September 21-30 | Autumn graduations (postgraduates) |
| October 1-8 | National Day Holiday & Mid-Autumn Festival |
| October 24-26 | Sports Meeting |
November 8-9 November 15-16 | Examinations |
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.