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.
Closure dates
The university is closed on the following public holidays and closure dates.
- 3 October - Relief of Leiden
- 24 December
- 25 and 26 December - Christmas Day and Boxing Day
- 28 till 31 December
- 2 January
- 3 April - Good Friday
- 5 and 6 April - Easter Sunday and Monday
- 27 May - King's Day
- 5 May - Liberation Day
- 14 May - Ascension Day
- 15 May
- 24 and 25 May - Whit Sunday and Monday