six o'clock
They had gone but a dozen yards when a childish voice hailed them , and Corona came skipping along the bank . `` Daddy ! you are to come home at once ! It 's past six o'clock , and Branny says the river fog 's bad for you . '' `` Home ? '' echoed Brother Bonaday inattentively . The word had been unfamiliar to him for some years , and his old brain did not grasp it for a moment .