| 2022 | September | Monday 12 September | First day of the school year |
| October | Friday 28 October | National holiday | |
| November | Friday 11 November | Saint Minas day, patron saint of Heraklion | |
| Thursday 17 November | Polytechnio | ||
| December | From Monday 26 December to Friday 6 January | Christmas holidays |
| 2023 | January | Monday 30 January | Three Hierarchs' day |
| February | Monday 27 February | Clean Monday | |
| March | Saturday 25 March | National holiday | |
| April | From Monday 10 April to Friday 21 April | Easter holidays | |
| May | Sunday 1 May | Labour day | |
| Tuesday 9 March | Europe day | ||
| June | Monday 5 June | Whit Monday | |
| Tuesday 27 June | Last day of the school year |