Illinois Holidays 2021
Check Public Holidays, Designated Days, Special Weeks & Months in Illinois for the year 2021.
Public Holidays:
Check state public holidays observed in Illinois for the year 2021.
Public Holidays
Date Day Holiday
January 1 Friday New Year’s Day
January 18 Monday Birthday of Martin Luther King, Jr.
February 12 Friday Lincoln's Birthday
February 15 Monday Presidents' Day
May 31 Monday Memorial Day
July 5 Monday Independence Day *  (Observed)
September 6 Monday Labor Day
October 11 Monday Columbus Day
November 11 Thursday Veterans Day
November 25 Thursday Thanksgiving Day
November 26 Friday Day after Thanksgiving Day
December 24 Friday Christmas **  (Observed)
*
If holiday falls on a Sunday, then it is observed on the following Monday.
**
If holidays fall on Saturday, then holidays will observed on preceding Friday.


Designated Days:
Check Designated Days in Illinois for the year 2021.
Designated Days
Date Day Holiday
February 6 Saturday Ronald Reagan Day
March 1 Monday Casimir Pulaski Holiday
March 29 Monday Vietnam War Veterans Day
April 30 Friday Arbor and Bird Day
May 2 Sunday Chaplains Day
May 6 Thursday Day of Prayer in Illinois
May 9 Sunday Mothers Day
May 16 Sunday Senior Citizens Day
May 16 Sunday Citizenship Day
June 14 Monday Flag Day
June 19 Saturday Juneteenth National Freedom Day
June 20 Sunday Fathers Day
July 27 Tuesday Korean War Armistice Day
August 8 Sunday Gold Star Mothers Day
September 11 Saturday September 11th Day of Remembrance
September 12 Sunday Great Grandparents Day
September 17 Friday POW/MIA Recognition Day
October 10 Sunday Grandmothers Day
November 13 Saturday Coal Miners Day
December 7 Tuesday Pearl Harbor Remembrance Day
December 10 Friday Jane Addams Day
Special Weeks & Months in Illinois :
Check Special months & Weeks observed in Illinois for the year 2021.
Special Months
Special Days Month
American History Month February
Retired Teachers' Week The fourth week of May
Prairie Week The third full week of September
Alzheimer's Awareness Month November


Illinois Holiday Calendar 2021
Illinois Holiday Calendar 2021
Illinois Holidays 2021