Chicago is 0-1 hours ahead of Mexico City. Both cities use Central Time zone (UTC-6), but Chicago observes daylight saving time while Mexico discontinued it in 2022. During standard time, they're the same. During CDT, Chicago is 1 hour ahead.
When it's 12:00 PM in Mexico City during standard time, it's also 12:00 PM in Chicago. During US daylight saving, Chicago moves 1 hour ahead.
Best calling time: 9:00 AM - 5:00 PM Mexico City time. This covers business hours in both cities with minimal adjustment needed.
Mexico City and Chicago are major business hubs with strong trade ties. Direct flights take about 4 hours. Chicago has a significant Mexican-American community.