eight o'clock
Peter searched for and found a letter addressed to `` William Clodd , Esq. , Advertising Manager , _ Good Humour _ . '' Clodd tore it open , hastily devoured it . `` Not closed up yet , are you ? '' `` No , not till eight o'clock . '' `` Good ! I want you to write me a par . Do it now , then you wo n't forget it .