| | Vernon Hills, Illinois is located in the Central Time Zone, which means that the time is Central Standard Time (CST) during regular time
and Central Daylight Time (CDT) when daylight savings is in effect. 
 Central Standard Time
 When it is Central Standard Time, Vernon Hills, Illinois is UTC-06:00 which means that it is -6 hours offset from 
Coordinated  Universal Time (UTC).
 
 The Central Standard Time in Vernon Hills, Illinois (UTC-06:00) is shown in blue below:
 
 
 
 
 Central Daylight Time
 When it is Central Daylight Time, Vernon Hills, Illinois will be UTC-05:00 which means that it is -5 hours 
offset from Coordinated Universal Time (UTC) and the time will be as follows in green:
 
 
 
 As you can see, the difference between CST and CDT in Vernon Hills, Illinois is one hour, because the daylight savings is
adjusted by one hour.
 
 
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