Bogotá is 3 hours ahead of Portland
Best overlap: 8:00 AM to 3:00 PM in Portland is 11:00 AM to 6:00 PM in Bogotá.
The overlap falls at 8:00 AM to 3:00 PM in Portland, or 11:00 AM to 6:00 PM if you're in Bogotá. The 3-hour gap barely gets in the way — you've got 7 hours of overlap, so pick whatever time fits the agenda. Heads up: because Portland changes its clocks and Bogotá doesn't, the difference moves by an hour twice a year. Confirm the overlap around the DST switch.