| Thu, 01.01. – Sun, 04.01.2026 | Uni Jena is closed for the holidays |
| Fri, 03.04. – Mon, 06.04.2026 | Easter closure (Good Friday through Easter Monday) |
| Fri, 01.05.2026 | May Day |
| Thu, 14.05.2026 | Ascension Day |
| Sat, 23.05. – Mon, 25.05.2026 | Pentecost closure |
| Sun, 20.09.2026 | World Children's Day (public holiday in Thuringia) |
| Sat, 03.10. – Sun, 04.10.2026 | Germany Unity Day (incl. Sunday)) |
| Sat, 31.10. – Sun, 01.11.2026 | Reformation Day (incl. Sunday) |
| Wed, 23.12.2026 – Sun, 03.01.2027 | Uni Jena is closed for the holidays |