Atlanta and Tampa are in the same time zone. Both cities use Eastern Time (EST/EDT). When it's noon in Atlanta, it's also noon in Tampa.
Both cities observe daylight saving time, switching between EST (UTC-5) in winter and EDT (UTC-4) in summer.
Any time works! Since both cities are in the same time zone, scheduling calls is never a problem. Business hours are identical.
Atlanta and Tampa are connected by a short 1-hour flight. Atlanta's Hartsfield-Jackson is the world's busiest airport, making Tampa easily accessible from anywhere.