Accra is 8 hours ahead of Portland
Best overlap: 8:00 AM to 10:00 AM in Portland is 4:00 PM to 6:00 PM in Accra.
The best time to meet is 8:00 AM to 10:00 AM in Portland, which is 4:00 PM to 6:00 PM in Accra. You've got roughly 2 hours — enough for a focused daily check-in if you hold it at 8:00 AM in Portland (4:00 PM in Accra). Note the seasonal wrinkle: when Portland is on daylight saving and Accra isn't, the gap between them grows or shrinks by an hour.