Union Computing Site The Union Computing Site offers Mac and Windows workstations, printers, and other computing services. Located In Michigan Union open until 12:00 AM Hours & Contact Information Hours Wednesday7:00 am12:00 amThursday7:00 am12:00 amFriday7:00 am12:00 amSaturday7:00 am12:00 amSunday9:00 am12:00 amMonday7:00 am12:00 amTuesday7:00 am12:00 am Contact & Location Michigan Union 530 S. State Street Ann Arbor, MI 48109-1308