three o'clock
`` And then we can all have a fish party . '' `` I could go on sailing like this for a week , '' said Dick to Dora , as they moved forward . `` I mean if you were along with me , '' he added , in a lower tone , and she gave him a look that meant a good deal . When three o'clock came Captain Jerry announced that they must turn back . They were far out of sight of land , with nothing but the blue ocean around them . Overhead the sky was still clear , but the clouds on the horizon were rapidly increasing . `` Oh , let us keep on a while longer , '' pleaded Tom .