five o'clock
Or , better still , lend me your bike , Kitty , and I 'll just do a spin to Tintagel . By the time I 've climbed up to King Arthur 's Castle , I 'll feel different . It always makes me feel good to get to the top of anywhere . '' `` But , my dear , it 's five o'clock already ! You wo n't have time to go there before dinner . '' `` Yes , I shall , '' persisted Nan . `` Half an hour to get there -- easily !