Philadelphia is 6 hours behind Geneva
Best overlap: 2:00 PM to 6:00 PM in Geneva is 8:00 AM to 12:00 PM in Philadelphia.
Book within 2:00 PM to 6:00 PM Geneva time (8:00 AM to 12:00 PM in Philadelphia) and both teams will be at work. Philadelphia is 6 hours behind Geneva, so you've got a workable 4-hour overlap — ideal for a standing meeting around 2:00 PM in Geneva (8:00 AM in Philadelphia).