Washington, D.C. is 6 hours behind Milan
Best overlap: 2:00 PM to 6:00 PM in Milan is 8:00 AM to 12:00 PM in Washington, D.C..
For the smoothest call, aim inside 2:00 PM to 6:00 PM in Milan, i.e. 8:00 AM to 12:00 PM in Washington, D.C.. A 4-hour overlap gives you a workable daily window; aim for earlier in it to avoid clipping the end of someone's day.