midnight
`` I am the busiest woman in Newport , so I must run away now . You should see my house and lawn . They are full of workmen . The fair is to begin promptly at four , and will last until midnight . We shall have dancing on the lawn , but I want you girls and a few friends to come into the house after supper . When you finish playing fortune-tellers you can slip up to my room and dress . Nobody must guess , when you come down , that you have not just arrived .