midnight
There will be no personal danger . I will see to that . '' `` What time of the night do you wish to enter ? '' `` It is n't likely there will be a visitor before midnight ; but , to make sure , we will say about eleven . '' `` I can warn the watchman '' -- `` You must n't think of such a thing ! We must slip inside without a soul knowing it . The watchman is the last one to trust . ''