What are the AMO office hours? Ryan Flores March 22, 2019 14:58 Updated Follow The AMO office is open Monday through Friday from . 8:30 a.m.–5 p.m. CST. We are closed on all major U.S. holidays. Related articles When do I have to pay? Do you provide a letter of completion? Who approves my application? How do I know if this is legitimate? How do I verify my identity? Comments 0 comments Article is closed for comments.