seven o'clock
`` The other barracks , eh ? Well , will your errand wait , or must I wake them up within ? '' `` There is no hurry at all , '' said Zaidos , easily . `` I must see the commanding officer by seven o'clock , that 's all . '' `` Very well , '' said the man . `` I 'll take you in then . I 'm tired enough myself tramping up and down here all night .