The Royal Crypt is open for the public.
Dates in 2009:
1. Every Sunday from 2 PM to 5 PM
2. Birthdays:
- 17 February : 1 PM to 5 PM
(People present during the Mass for the deceased members of the RF can visit the Crypt after the members of the RF and the Unions of Veterans of the War)
- 31 July : 10 AM to 5 PM
- 15 November : 3 PM to 5 PM
- 29 August, 25 September, 1 & 2 November : 10 AM to noon and 3 PM to 5 PM
3. During the Heritage Days in Brussels (Open Monumentendagen - Journées du Patrimoine).
4. When the Royal Greenhouse in Laecken is opened, from 18 April to 10 May (except on Monday) : 11 AM to 5 PM
source: monarchie.be