Nine o'clock
he protested , pleased , but a little embarrassed . `` Will she be up ? '' `` You 'll see whether she 'll be up or not . Nine o'clock 's the time , is n't it ? '' They reached the gardens of Cheyne Walk . Three bridges hung their double chaplets of lights over the dark river . On the southern shore the shapes of high trees waved mysteriously above the withdrawn woodland glades that in daytime were Battersea Park .