six o'clock
-LRB- Even now , just the bare mention of anything connected with that awful `` test '' night was enough to set Billy 's nerves to tingling . -RRB- `` I want you to always bring them home , Bertram . '' `` All right , dear . We 'll be there at six o'clock then . It 's -- it 's Calderwell , this time . You remember Calderwell , of course . '' `` Not -- _ Hugh _ Calderwell ? ''