Union Computing Site The Union Computing Site offers Mac and Windows workstations, printers, and other computing services. Located In Michigan Union closed. Opens today at 7:00 AM Hours & Contact Information Hours Saturday7:00 am2:00 amSunday9:00 am2:00 amMonday7:00 am2:00 amTuesday7:00 am2:00 amWednesday7:00 am2:00 amThursday7:00 am2:00 amFriday7:00 am6:00 pm Contact & Location Michigan Union 530 S. State Street Ann Arbor, MI 48109-1308