Montreal is 4 hours ahead of Anchorage
Best overlap: 8:00 AM to 2:00 PM in Anchorage is 12:00 PM to 6:00 PM in Montreal.
Your shared working hours run 8:00 AM to 2:00 PM in Anchorage (12:00 PM to 6:00 PM in Montreal). Montreal is 4 hours ahead of Anchorage, and with 6 hours of overlap you can even run back-to-back calls without stepping outside business hours.