There is no time difference between Cincinnati and Louisville. Both cities use Eastern Time (ET, UTC-5/-4). When it's 12:00 PM in Cincinnati, it's also 12:00 PM in Louisville.
Both cities observe daylight saving time on the same schedule, so they remain synchronized year-round.
Any time works! Since both cities share the same timezone, you can schedule calls during standard business hours (9:00 AM - 6:00 PM) without any time conversion needed.
Cincinnati and Louisville are neighboring cities on the Ohio River, just about 100 miles apart. Both have strong bourbon and spirits industries. Louisville is home to the Kentucky Derby and UPS Worldport, while Cincinnati hosts major consumer goods companies.