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Observed Holidays in Illinois

Filed under Office & HR.

The listed holidays are legal holidays in Illinois.

Monday Holidays

Martin Luther King Jr. Day (third Monday in January)

Presidents' Day (third Monday in February)

Casimir Pulaski's birthday (first Monday in March)

Memorial Day (last Monday in May)

Labor Day (first Monday in September)

Columbus Day (second Monday in October)

Other Holidays

Saturdays from noon to midnight

New Year's Day (January 1)

Lincoln's Birthday (February 12)

Independence Day (July 4)

Veterans Day (November 11)

Thanksgiving Day (fourth Thursday in November)

Christmas Day (December 25)

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