Jamieson, Fausset & Brown

And about the eleventh hour--but one hour before the close of the working day; a most unusual hour both for offering and engaging and found others standing idle, and saith, Why stand ye here all the day idle?--Of course they had not been there, or not been disposed to offer themselves at the proper time; but as they were now willing, and the day was not over, and "yet there was room," they also are engaged, and on similar terms with all the rest.