The supreme court shall appoint a librarian, who shall cause the library to be kept open daily, Sundays and holidays excepted, from nine o’clock in the morning (9:00 a.m.) until five o’clock in the afternoon (5:00 p.m.), except during summer hours of the courts, when it may be closed at four-thirty o’clock in the afternoon (4:30 p.m.), and on Saturdays, when it may be closed at three o’clock in the afternoon (3:00 p.m.). The state court administrator, in consultation with the chief justice, shall have the authority to change the state law library hours for operational purposes and in the interest of public safety.