Calendar ATC
2025/2026
| 3 okt | Leidens Ontzet |
| 20 okt - 24 okt | Fall Holiday |
| 24 dec - 1 jan | Christmas Holiday |
| 16 feb - 20 feb | Spring Holiday |
| 3 apr - 6 apr | Good Friday and Easter |
| 27 apr | King's Day |
| 27 apr - 1 mei | May Holiday |
| 5 mei | Liberation day |
| 14 mei - 15 mei | Whit Monday |
| 24 mei - 25 mei | Ascension day |