Geneva is 7 hours ahead of Houston
Best overlap: 8:00 AM to 11:00 AM in Houston is 3:00 PM to 6:00 PM in Geneva.
The sweet spot is 8:00 AM to 11:00 AM Houston time, matching 3:00 PM to 6:00 PM in Geneva. You've got a decent 3-hour window. Set a recurring time near 8:00 AM in Houston (3:00 PM in Geneva) and stick to it.