ten minutes past twelve
Now , I 'm sure it must be half an hour , and I may go and look at the clock ! '' She slipped out of the door and closed it behind her quickly , as if she feared invisible hands might catch her unawares to keep her within . Up two flights of stairs she went , and looked at the clock on the landing . `` Only ten minutes past twelve ! '' she exclaimed in dismay . `` Oh , that dreadful old clock must have stopped herself on purpose ! Now , I will just watch to see .