Islamabad is 4 hours ahead of Geneva
Best overlap: 8:00 AM to 2:00 PM in Geneva is 12:00 PM to 6:00 PM in Islamabad.
The sweet spot is 8:00 AM to 2:00 PM Geneva time, matching 12:00 PM to 6:00 PM in Islamabad. Islamabad is 4 hours ahead of Geneva, and with 6 hours of overlap you can even run back-to-back calls without stepping outside business hours. Just remember Geneva changes its clocks for daylight saving and Islamabad doesn't, so confirm the overlap whenever the seasons turn.