PROBLEMA NUM: 5108 - CATEGORIA: generici - DIFFICOLTA': ***

Abigail and her family toured Chicago. They started their tour at 11:15 A.M. at the Willis Tower, where they spent 1 hour. Then they hung out at Navy Pier for 1 hour and 45 minutes and shopped on Michigan Avenue for 1 hour before dinner.
What time was it when Abigail and her family went to dinner?