Anchorage is 3 hours behind Mexico City
Best overlap: 11:00 AM to 6:00 PM in Mexico City is 8:00 AM to 3:00 PM in Anchorage.
For the smoothest call, aim inside 11:00 AM to 6:00 PM in Mexico City, i.e. 8:00 AM to 3:00 PM in Anchorage. This is one of the easier pairings: 7 hours of shared time means flexible, low-stress scheduling. Daylight saving complicates things slightly: Anchorage observes it, Mexico City doesn't, so the difference flexes by an hour part of the year.