Mexico City is 8 hours behind Copenhagen
Best overlap: 4:00 PM to 6:00 PM in Copenhagen is 8:00 AM to 10:00 AM in Mexico City.
If you set up a recurring sync, 4:00 PM to 6:00 PM in Copenhagen (8:00 AM to 10:00 AM in Mexico City) is the natural home for it. There's just 2 hours of overlap here, so don't leave meetings to chance — lock 4:00 PM in Copenhagen / 8:00 AM in Mexico City into the calendar. Finally, Copenhagen observes daylight saving and Mexico City doesn't, so this window shifts by an hour for part of the year — recheck it each spring and autumn.