- 6 January | Epiphany
- 2 March | Clean Monday
- 25 March | Greek War of Independence
- 17 -20 April | Easter Holidays
- 1 May | International Workers' Day
- 8 June | Holy Spirit
- 8 - 23 August | Summer Holidays
- 26 October | Demetrius of Thessaloniki
- 28 October | Ohi Day
- 24 December - 3 January 2021 | Christmas Holidays

2021 Calendar for closing dates & public holidays:

- 24 December 2020 - 3 January | Christmas Holidays
- 6 January | Epiphany
- 15 March | Clean Monday
- 25 March | Greek War of Independence
- 30 April - 3 May | (Orthodox) Easter Holidays
- 21 June | Holy Spirit
- 7 - 22 August | Summer Holidays
- 26 October | Demetrius of Thessaloniki
- 28 October | Ohi Day
- 24 December - 2 January 2022 | Christmas Holidays