Existence is open: Monday - Thursday : Opening at 8.30. Closing at 21.15. Last entrance at 20.00 possible. Fridays: Opening at 8.30. Closing at 20.00. Last entrance at 18.45 ,, Saturday’s: Opening at 9.30. Closing at 14.00. Last Entrance at 12.45 ,, Sunday’s: Closed. During the month of August a summer class-program is active. Please change your training reservations in time for this period. Existence is closed: All Sundays 1st January, New Year’s day Easter Friday and Saturday Easter Monday 1st May, Fete du travail Ascension Pentecost Monday 23rd June, National Holiday Luxemburg Assomption Toussaint 24th, 25th and 26th December Christmas 31st December, Sylvester .