Moscow is 2 hours ahead of Geneva
Best overlap: 8:00 AM to 4:00 PM in Geneva is 10:00 AM to 6:00 PM in Moscow.
Your shared working hours run 8:00 AM to 4:00 PM in Geneva (10:00 AM to 6:00 PM in Moscow). Even with Moscow ahead by 2 hours, your workdays overlap by a comfortable 8 hours — plenty of flexibility for both sides. Just remember Geneva changes its clocks for daylight saving and Moscow doesn't, so confirm the overlap whenever the seasons turn.