ITSS lists holiday hours Information Technology Systems and Services will close for the Christmas Day holiday at 3 p.m. Sunday, Dec. 24, and will reopen at 5 a.m. Tuesday, Dec. 26. ITSS will also close for the New Year’s Day holiday at 3 p.m. Sunday, Dec. 31, and will reopen at 5 a.m. Tuesday, Jan. 2. -- Craig Cerkowniak, associate director, ITSS. -- Jan Orvik, Writer/Editor, University Relations, janorvik@mail.und.nodak.edu, 777-3621