Kamerlingh Onnes Building

Monday - Friday: 07:30 - 17:00hrs
Saturday and Sunday: CLOSED

2019

19 April: Good Friday	Closed
21 and 22 April: Easter	Closed
27 April: King's Day	Closed
5 May: Liberation Day	Closed
15 July to 25 August: summer recess	Mon - Fri: 07.30 - 19.00 hrs Sat: 11.00-15.00 hrs Sun: Closed
3 October: Leiden's Relief	Closed
4 October: compulsory closure	Closed
5 December: Sinterklaas	Building closed after 18.00 hrs
24 December: Christmas Eve	Building closed after 17.00 hrs The library will be closed after 14.00 hrs
25 December to 1 January: Christmas recess	Closed On 2 January 2020 the library will be open from 11.00 hrs

Monday - Thursday: 09:00 ‑ 22:15 hrs
Friday: 09:00 - 17:00 hrs
Saturday and Sunday: 11:00 ‑ 17:00 hrs

Monday - Friday: 11:00 ‑ 14:00 hrs
Saturday and Sunday: closed

Monday - Thursday: 08:00‑19:00 hrs
Friday: 08:00 ‑ 17:00 hrs
Saturday and Sunday: closed