The academic year begins on 1 September and ends on 31 August of the following calendar year.
The academic work of each academic year is structured in 2 semesters of study, both in winter and in spring, each of which includes at least 13 weeks of teaching and 2 to 3 weeks of examination. The start and end dates of the winter and spring semester are set by the University Senate.
Holiday days
| Christmas Holidays | From December 24th to January 7th |
| Carnival Holidays | From Thursday's Cheese to the Day of Clean Monday |
| Easter Holidays | From Holy Monday to Sunday of Thomas |
| Summer Holiday | July-August |
Holidays and Holidays
| The 26th of October | Celebration of the patron saint of Agios Dimitrios. Liberation of Thessaloniki (national holiday). |
| The 28th of October | Anniversary of "OXI" to Italian fascism (national holiday).. |
| The 17th of November | Anniversary Anniversary of the Polytechnic rebellion in 1973. |
| The 30th of January | The Feast of the Three Hierarchs (religious feast). |
| The 25th of March | Anniversary of the revolution of 1821 against the Turkish yoke (national holiday). |
| The 1st of May | May Day. - Workers' class solidarity day (Labor Day - Strike). |
| The Holy Spirit | (Mobile Religious Feast). |