Lagos is 7 hours ahead of Chicago (CST) or 6 hours ahead (CDT). When it's 8:00 AM in Chicago, it's 3:00 PM in Lagos. Nigeria does not observe DST.
Chicago uses CT (Central Time) while Lagos uses WAT (West Africa Time).
Optimal window: 7:00 AM - 11:00 AM Chicago time (2:00 PM - 6:00 PM Lagos). Early morning calls from Chicago reach afternoon business hours in Lagos.
Chicago has a significant Nigerian diaspora with business and cultural connections to Lagos.