Unfortunately it seems that you fail to understand the term “office hours”, which accounts for your confusion.
Maybe this link will help you out: http://lsc.cornell.edu/wp-content/uploads/2015/10/What-Are-Office-Hours.pdf
Unfortunately it seems that you fail to understand the term “office hours”, which accounts for your confusion.
Maybe this link will help you out: http://lsc.cornell.edu/wp-content/uploads/2015/10/What-Are-Office-Hours.pdf