six o'clock
`` This is what I call a shame , '' sighed Jennie ; `` and look at the sky ; it 's growing as black as a pickpocket . '' `` Why , yes , '' moaned Dotty ; `` how fast that sun has gone down ! '' But this was a mistake . It was only six o'clock . The sun , understanding his business perfectly , had not hurried one jot . The clouds were merely spreading a dark background for some magnificent fireworks ; in other words , a thunder-shower was coming up . `` Let 's go right straight home , '' said Jennie ; and Dotty was glad to hear the words , for in her own brave little heart she had determined not to be the first to surrender .