The term TIME CALLERS can be broken down into two crossword solutions: UMPS (4 letters) and TIME (5 letters). UMPS stands for umpires, which are officials in sports who make decisions about the rules of the game. They are responsible for calling out when a player has committed a foul or violated a rule. TIME is a measure of duration, usually expressed in hours, minutes, and seconds. It is used to measure the length of events, activities, and processes.