Miami is 7 hours behind Bucharest
Best overlap: 3:00 PM to 6:00 PM in Bucharest is 8:00 AM to 11:00 AM in Miami.
The hours that work for both Bucharest and Miami are 3:00 PM to 6:00 PM (Bucharest) and 8:00 AM to 11:00 AM (Miami). The shared window is roughly 3 hours; treat its midpoint as the default and you'll keep both teams happy.