ten
o’clock
The spies say that the marriage feast will not be celebrated until at least three hours after moonrise . '' `` And that 's what I heard when I was a prisoner , '' interrupted Higgs . `` I daresay , '' answered Orme ; `` but it is always well to allow a margin in case the procession should be delayed , or something . So until ten o'clock I 've got to stop where I am , and you may be sure , Doctor , that under no circumstances shall I fire the mine before that hour , as indeed you will be here to see . After that I ca n't say what will happen , but if we do n't appear , you two had better come to look for us -- in case of accidents , you know . Do your best at your end according to circumstances ; the Doctor and I will do our best at ours . I think that is all , Sergeant .