6:30
`` I quite agree that these young muffs are a nuisance , and it 's all the more aggravating to be dragged into a mess by them . But he 'd no right to interfere . '' `` Strictly speaking , I suppose he was right , '' said Pridgin . `` There is a rule about juniors being in by 6:30 ; although every one knows half an hour 's grace is given on half-holidays . And I suppose he 's right about the fireworks . '' `` You think I ought to cave in ? '' asked Tempest .