Now at the bottom center corner the usual default of time of day changes to a blank. Each time a command is given and the system responds, the elapsed time taken is temporarily displayed in this box, until the next command is given. There are five or six servers one of which is assigned by the system to you when you log on. It is possible to have problems with one server, and not the others. What to do when you think you have a response time problem, or you just want to test things out .
Production control has a very detailed log, kept by time of day.
This is why knowing the time of the problem is important. The problem might be a lazy or overloaded server, or whatever. Then they will have facts to help prevent the problem in the future, eg., feed the server better.