An employer should make clear which parts of a contract are legally binding. Contract terms could be: 1  in a written contract, or similar document like a written statement of employment. 2  verbally agreed. 3  in an employee handbook or on a company notice board.
If you're speaking of Chicago, Illinois, then the entire state of Illinois is in the Central Time Zone, which is one hour behind the Eastern Time Zone. So if it is 6pm Eastern time, it is 5pm in Chicago.
2017 Time Zones - Chicago. The graph above illustrates clock changes in Chicago during 2017. Time Changes in Chicago Over the Years. Daylight Saving Time (DST) changes do not necessarily occur on the same date every year.