ITSS lists holiday closing hours Information Technology Systems and Services will close for the Good Friday holiday at midnight Thursday, April 9, and will reopen at 5 a.m. Saturday, April 11. They will close for Easter Sunday at midnight Saturday, April 11, and will reopen at 5 a.m. Monday, April 13. -- David Levenseller, Help Desk Leader, ITSS, davidlevenseller@mail.und.nodak.edu, 777-2222