twelve o'clock
Rupert asked anxiously . `` Shall I telegraph to my father ? '' `` I think you had better go and see him , Clinton . Your brother probably did not leave the house until twelve o'clock , though he may have gone at eleven . But whether eleven or twelve it makes no difference . No doubt he posted the letter he speaks of the first thing on leaving ; but , you see , it is a cross post to your place , and the letter could not anyhow have got there for delivery this morning . You can hardly explain it all by telegram ; and I think , as I said , it is better that you should go yourself .