A normal work week for a most Mexicans consists of 44 to 48 hours. Eight hours a day Monday-Friday and 6 hours on Saturday.
Office jobs in Mexico City, Monterrey and Guadalajara have business hours from 8:30 AM – 5:30 PM, or 9:00 AM – 6:00 PM, similar to the US. Generally they work Monday – Friday
In the medium and small cities in Mexico, all businesses open at 9:00 or 10:00, close from 2:30 to 4:30, and re-open from 4:30 until 8:00 PM.
Most retail stores, malls and supermarkets, are open from 8:00 AM – 9:00 AM and close around 9:00 or 10:00 PM, 7 days a week.
Restaurants will open for; breakfast between 7:00 AM – 11:30 AM, comida 2:00 PM – 5:30 PM, and cena 8:00 PM – 11:00 PM.
Disclaimer the ideas presented are personal opinions and generalizations based upon 25+ years interacting, living and working in and with Mexico. None of this may be true, it may be completely false, use the information at your own risk