San Diego is 3 hours behind Ottawa
Best overlap: 11:00 AM to 6:00 PM in Ottawa is 8:00 AM to 3:00 PM in San Diego.
Book within 11:00 AM to 6:00 PM Ottawa time (8:00 AM to 3:00 PM in San Diego) and both teams will be at work. That's a roomy 7 hours of common time each day, so finding a slot that suits everyone is rarely a problem.