seven o'clock in the evening
`` Yes . On the day before yesterday , he did not leave his room . He was a little tired ; and Charlotte took his lunch up to him at twelve and his dinner at seven in the evening . '' `` So it was between seven o'clock in the evening , on the day before yesterday , and six o'clock on yesterday morning that he disappeared ? '' `` Yes , during the night before last . Only -- '' `` Only what ? '' `` Well , it 's like this : you ca n't leave the arsenal at night . ''