Geneva is 1 hour behind Cairo
Best overlap: 9:00 AM to 6:00 PM in Cairo is 8:00 AM to 5:00 PM in Geneva.
Cairo and Geneva overlap from 9:00 AM to 6:00 PM (Cairo) to the equivalent 8:00 AM to 5:00 PM in Geneva — that's your meeting window. Geneva is 1 hour behind Cairo, yet you get a full 9 hours of shared hours — enough to schedule around lunches, focus time, and preferences with ease.