Warsaw is 7 hours ahead of Chicago. Warsaw uses Central European Time (CET/CEST, UTC+1/+2) while Chicago uses Central Time (CT, UTC-6/-5). When it's 12:00 PM in Chicago, it's 7:00 PM in Warsaw.
Both cities observe daylight saving time, but they switch on different dates. This can temporarily create 6 or 8-hour differences during transition periods in spring and fall.
Best calling time: 3:00 PM - 8:00 PM Warsaw time. This corresponds to 8:00 AM - 1:00 PM in Chicago, catching Midwest morning and midday business hours.
Chicago has one of the largest Polish-American communities in the United States. The city's connection to Poland runs deep, with significant cultural, business, and family ties between Chicago and Warsaw. Polish LOT Airlines operates direct flights between the two cities.