Munich 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 Munich.
Shoot for 9:00 AM to 6:00 PM in Bucharest; your Munich colleagues will see that as 8:00 AM to 5:00 PM. Munich is 1 hour behind Bucharest, but you'd hardly notice — 9 hours of shared hours makes this feel like working in neighbouring time zones.