Academic calendar

The academic year officially commences on 1 September and ends on 31 August. On national holidays and compulsory closure dates, the university is closed and no lectures take place.

Academic calendar

The academic calendar applies to the whole university with the exception of LUMC and LUC. Take a look at the 2025-2026 Academic calender.

Exam periods 2025-2026

13 October - 2 November 2025
8 December - 1 February 2025/2026
9 March - 5 April 2026
18 May - 5 July 2026

Exam periods are determined by the demand for study spaces within the whole university. However, some study programmes may hold exams in other periods.

Public holidays and compulsory closures

The university is closed on the following dates.

3 October (Relief of Leiden)
Thursday 24 December
Christmas Day and Boxing Day
Monday 28 till thursday 31 December
Friday 2 January
Good Friday
Easter Sunday and Monday
King's Day (the day upon which King's Day is celebrated nationally)
Liberation Day: 5 May
Ascension Day
Friday 15 May
Whit Sunday and Monday