Dallas is 1 hour ahead of Mexico City
Best overlap: 8:00 AM to 5:00 PM in Mexico City is 9:00 AM to 6:00 PM in Dallas.
Mexico City and Dallas overlap from 8:00 AM to 5:00 PM (Mexico City) to the equivalent 9:00 AM to 6:00 PM in Dallas — that's your meeting window. Dallas is 1 hour ahead of Mexico City, yet you get a full 9 hours of shared hours — enough to schedule around lunches, focus time, and preferences with ease. A quick caveat — Dallas's clocks move for daylight saving and Mexico City's don't, so the times here are right for only part of the year.