Dallas and Minneapolis are in the same time zone. Both cities use Central Time (CST/CDT). When it's noon in Dallas, it's also noon in Minneapolis.
Both cities observe daylight saving time, switching between CST (UTC-6) in winter and CDT (UTC-5) in summer.
Any time works! Since both cities are in the same time zone, scheduling calls is never a problem. Business hours are identical.
Dallas and Minneapolis are both major corporate hubs. American Airlines and Delta operate frequent flights between DFW and MSP, taking about 2.5 hours.