Addis Ababa is 9 hours ahead of Mexico City
Best overlap: 8:00 AM to 9:00 AM in Mexico City is 5:00 PM to 6:00 PM in Addis Ababa.
Mexico City and Addis Ababa overlap from 8:00 AM to 9:00 AM (Mexico City) to the equivalent 5:00 PM to 6:00 PM in Addis Ababa — that's your meeting window. You've got roughly 1 hour — enough for a focused daily check-in if you hold it at 8:00 AM in Mexico City (5:00 PM in Addis Ababa).