Addis Ababa is 7 hours behind Melbourne
Best overlap: 3:00 PM to 6:00 PM in Melbourne is 8:00 AM to 11:00 AM in Addis Ababa.
The overlap falls at 3:00 PM to 6:00 PM in Melbourne, or 8:00 AM to 11:00 AM if you're in Addis Ababa. You get roughly 3 hours of shared time, so aim for the middle of that window to keep the call comfortable for both teams. Just remember Melbourne changes its clocks for daylight saving and Addis Ababa doesn't, so confirm the overlap whenever the seasons turn.