The best time to call Chicago from London is 2 PM–5 PM your time (London). Chicago, USA is 5 hours behind London, UK. You have 3 hours of business hours overlap for scheduling calls.
Call between 2 PM–5 PM London time. This is 9 AM–12 PM in Chicago.
London and Chicago share 3 hours of overlapping business hours (9 AM – 5 PM local time).
The best time to call Chicago from London is 2 PM–5 PM London time. This gives you 3 hours of business hours overlap.
Chicago is 5 hours behind London.
Avoid calling before 12 PM your time (they haven't started their day).
Yes, London and Chicago have approximately 3 hours of overlapping business hours per day.
You have 3 hours of overlap. Call during 2 PM–5 PM your time for the best results.
Both in business hours Both awake One outside comfort zone Sleeping hours
London: 2 PM–5 PM GMT
Chicago: 9 AM–12 PM CDT
| London (GMT) | Chicago (CDT) | Status |
|---|---|---|
| 7 AM | 2 AM | 🔴 They're sleeping |
| 8 AM | 3 AM | 🔴 They're sleeping |
| 9 AM | 4 AM | 🔴 They're sleeping |
| 10 AM | 5 AM | 🔴 They're sleeping |
| 11 AM | 6 AM | 🔴 They're sleeping |
| 12 PM | 7 AM | 🟡 They're awake |
| 1 PM | 8 AM | 🟡 They're awake |
| 2 PM | 9 AM | ✅ Both in office |
| 3 PM | 10 AM | ✅ Both in office |
| 4 PM | 11 AM | ✅ Both in office |
| 5 PM | 12 PM | 🟡 They're awake |
| 6 PM | 1 PM | 🟡 They're awake |
| 7 PM | 2 PM | 🟡 They're awake |
| 8 PM | 3 PM | 🟡 They're awake |
| 9 PM | 4 PM | 🟡 They're awake |