Calgary is 1 hour ahead of Portland
Best overlap: 8:00 AM to 5:00 PM in Portland is 9:00 AM to 6:00 PM in Calgary.
Book within 8:00 AM to 5:00 PM Portland time (9:00 AM to 6:00 PM in Calgary) and both teams will be at work. Calgary is 1 hour ahead of Portland, but you'd hardly notice — 9 hours of shared hours makes this feel like working in neighbouring time zones.