six o'clock
Before Jet could reply to this question he was ordered to the desk , and from there sent to answer a call from the Union Square Hotel . Evidently it was not one of the regular patrons of the house who had summoned him . He found a gentlemanly looking party standing just outside the clerk 's desk , who appeared particularly pleased on observing the number on his cap . `` I want you to go with me to Yonkers , and bring back certain papers which must be delivered before six o'clock . Can you go so far ? '' `` I will run over to the office and find out . You see I have n't been on the force very long , and do n't know exactly what to do when the work will keep me so long away . ''