Sao Paulo is 3 hours ahead of Mexico City. Mexico City uses Central Time (CST/CDT, UTC-6/-5) while Sao Paulo uses Brasilia Time (BRT, UTC-3). When it's 12:00 PM in Mexico City, it's 3:00 PM in Sao Paulo.
The difference may vary slightly depending on when each country observes daylight saving time.
Best calling time: 6:00 AM - 3:00 PM Mexico City time. This corresponds to 9:00 AM - 6:00 PM in Sao Paulo, covering standard business hours.
Mexico City and Sao Paulo are the two largest metropolitan areas in Latin America. Both are major economic centers with growing trade relations. Direct flights connect the cities in about 9 hours.