midnight
I should say so , but before exerting our strength we must see from which quarter the wind will next blow . It may be in our teeth , and all our labour will have been in vain . '' Tom divided the crew into two watches : he , Billy , and Pat taking one ; Desmond , with Jerry Bird and Tim , being in the other . Tom took the first watch , as he had an idea that the weather would change before midnight . `` You need not sit up , Billy , '' he said . `` If you are wanted I 'll call you . Tim will tend the main halyards and keep a look-out forward . ''