Portland is 3 hours behind Bogotá
Best overlap: 11:00 AM to 6:00 PM in Bogotá is 8:00 AM to 3:00 PM in Portland.
11:00 AM to 6:00 PM in Bogotá is when Portland is also working, at 8:00 AM to 3:00 PM their time. Even with Portland behind by 3 hours, your workdays overlap by a comfortable 7 hours — plenty of flexibility for both sides. Just remember Portland changes its clocks for daylight saving and Bogotá doesn't, so confirm the overlap whenever the seasons turn.