The furthest ahead of Chicago one can get before crossing the International Date Line is the Line Islands of Kiribati or Tokelau, New Zealand, which are 20 hours ahead of Chicago when Chicago is on Standard Time.
Australia is 17 hours ahead of Chicago.
There is no time zone 23 hours ahead of Alabama.
4PM in London is 10AM in Chicago. Chicago is 6 hours behind London.
London is six hours ahead
If it is 9pm in Maine, a country that would be five hours ahead would be Kazakhstan.
The time difference between the cities of Chicago, IL and Rio in Brazil is two hours. Rio is a total of two hours ahead of the city of Chicago. Chicago runs on Central Standard Time.
The time difference between Pretoria, Africa and Chicago, Illinois is 8 hours. Pretoria is 8 hours ahead of Chicago.
Switzerland is 7 hours ahead of Chicago, IL, USA
Paris is 7 hours ahead of Chicago during about 93% of the year (during the three or four weeks per year when Chicago is on daylight saving time but Paris is not on summer time, Paris is 6 hours ahead of Chicago). Chicago is CST (UTC-6) or CDT (UTC-5) Paris is CET (UTC +1) or CEST (UTC +2)
Illinois is in the central time zone. That means it is one hour behind the eastern time zone, and two hours ahead of those in the pacific time zone.
From the 1st Sunday of April to the 1st Sunday of October, Sydney (UTC+10) is 15 hours ahead of Chicago (UTC-5).From the 1st Sunday of November to the 2nd Sunday of March, Sydney (UTC+11) is 17 hours ahead of Chicago (UTC-6).During the rest of the year, Sydney (UTC+11) is 16 hours ahead of Chicago (UTC-5).6 AM CST (Chicago in December) =7 AM CDT (Chicago in June) =10 PM AEST (Sydney in June) =11 PM AEDT (Sydney in December)
From the 2nd Sun. of Mar. to the last Sun. of Mar., Rome (UTC+1) is 6 hours ahead of Chicago (UTC-5).From the last Sun. of Mar. to the last Sun. of Oct., Rome (UTC+2) is 7 hours ahead of Chicago (UTC-5).From the last Sun. of Oct. to the 1st Sun. of Nov., Rome (UTC+1) is 6 hours ahead of Chicago (UTC-5).From the 1st Sun. of Nov. to the 2nd Sun. of Mar., Rome (UTC+1) is 7 hours ahead of Chicago (UTC-6).6 AM CST (Chicago time Nov-Mar) =7 AM CDT (Chicago time Mar-Nov) =1 PM CET (Rome time Oct-Mar) =2 PM CEST (Rome time Mar-Oct)