Chicago is 1 hour behind Pittsburgh. Pittsburgh uses Eastern Time (ET, UTC-5/-4) while Chicago uses Central Time (CT, UTC-6/-5). When it's 12:00 PM in Pittsburgh, it's 11:00 AM in Chicago.
Both cities observe daylight saving time on the same schedule, so the 1-hour difference remains constant throughout the year.
Best calling time: 9:00 AM - 6:00 PM Pittsburgh time. This corresponds to 8:00 AM - 5:00 PM in Chicago, covering full business hours.
Pittsburgh and Chicago are both major Midwest industrial cities with strong ties to steel and manufacturing history. Pittsburgh has transformed into a tech and healthcare hub, while Chicago remains the Midwest's largest financial center.