Santiago is 3 hours ahead of Mexico City
Best overlap: 8:00 AM to 3:00 PM in Mexico City is 11:00 AM to 6:00 PM in Santiago.
Book within 8:00 AM to 3:00 PM Mexico City time (11:00 AM to 6:00 PM in Santiago) and both teams will be at work. Santiago is 3 hours ahead of Mexico City, but you'd hardly notice — 7 hours of shared hours makes this feel like working in neighbouring time zones. Seasonal note: Santiago uses daylight saving and Mexico City doesn't, so double-check the times in your own months — they can move by an hour.