one o'clock
Connie had already lowered her gas before Nora reached the top landing . The house was very soon silent . Connie turned her light on again , and waited . By the time Big Ben had struck one o'clock , she thought it would be safe to venture . She opened her door with trembling , careful fingers , slipped off her shoes , took a candle and stole downstairs . The schoolroom door creaked odiously . But soon she was inside and looking about her .