Atlanta 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 Atlanta.
If you set up a recurring sync, 8:00 AM to 2:00 PM in Anchorage (12:00 PM to 6:00 PM in Atlanta) is the natural home for it. Atlanta is 4 hours ahead of Anchorage, but you still share a generous 6 hours of overlap, so scheduling is easy and there's room to move a meeting when you need to.