half past six in
the evening
`` Everybody 's in bed , '' she whispered when she was near enough for them to hear her . '' `` In bed ! '' exclaimed the Winnebagos in astonishment . `` At half past six in the evening ? What for ? '' `` It 's Topsy-Turvy Day , '' replied Miss Judy , laughing at their amazed faces . `` We 're turning everything upside down tonight .