Prague is 1 hour behind Bucharest
Best overlap: 9:00 AM to 6:00 PM in Bucharest is 8:00 AM to 5:00 PM in Prague.
Target 9:00 AM to 6:00 PM in Bucharest, which lands at 8:00 AM to 5:00 PM for the Prague side. Prague is 1 hour behind Bucharest, but with 9 hours of common ground you can hold morning or afternoon meetings without anyone working odd hours.