about four o'clock
`` Yesterday ? '' she laughed at her happy recollection . `` At what time was n't I there yesterday , I 'd like to know ? '' `` Round about four o'clock . '' Charity was silent . She had been so steeped in the dreamy remembrance of young Harney 's visit that she had forgotten having deserted her post as soon as he had left the library . `` Who came at four o'clock ? ''