Bucharest is 1 hour ahead of Warsaw
Best overlap: 8:00 AM to 5:00 PM in Warsaw is 9:00 AM to 6:00 PM in Bucharest.
Your shared working hours run 8:00 AM to 5:00 PM in Warsaw (9:00 AM to 6:00 PM in Bucharest). Even with Bucharest ahead by 1 hour, your workdays overlap by a comfortable 9 hours — plenty of flexibility for both sides.