Casablanca is 1 hour behind Rome
Best overlap: 9:00 AM to 6:00 PM in Rome is 8:00 AM to 5:00 PM in Casablanca.
Your window to reach both cities is 9:00 AM to 6:00 PM in Rome, which converts to 8:00 AM to 5:00 PM in Casablanca. 9 hours of shared hours is more than enough — slot meetings wherever they're most convenient for the people involved. The difference isn't constant year-round: Rome adjusts for daylight saving while Casablanca holds steady.