There is no time difference between Columbus and Cincinnati. Both cities use Eastern Time (EST, UTC-5 in winter and EDT, UTC-4 in summer). When it's 9:00 AM in Columbus, it's also 9:00 AM in Cincinnati.
Both cities are in Ohio and 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 - 5:00 PM) without any time conversion needed.
Columbus and Cincinnati are Ohio's two largest cities, about 1.5 hours apart by car on I-71. Columbus is the state capital, while Cincinnati is a major business center on the Ohio River.