Illinois Holidays 2023

Check Illinois Public Holidays and Optional Holidays for the year 2023.
Public Holidays
Date Day Holiday
January 2 Monday New Year's Day  (Observed)
January 16 Monday Martin Luther King Day
February 13 Monday Lincoln's Birthday
February 20 Monday Presidents' Day
May 29 Monday Memorial Day
June 19 Monday Juneteenth
July 4 Tuesday Independence Day
September 4 Monday Labor Day
October 9 Monday Columbus Day
November 10 Friday Veterans' Day  (Observed)
November 23 Thursday Thanksgiving
November 24 Friday Day After Thanksgiving
December 25 Monday Christmas Day
  • January 1, 2023 falls on a Sunday. So Monday, January 2, 2023 will be treated as a holiday for pay and leave purposes.
  • Veterans' Day falls on a Saturday, 11 November. So Friday, November 10, 2023 is observed as holidays.

State Commemorative Days:

Following days are observed as State Commemorative Days as per State Commemorative Dates Act.
State Commemorative Days
Date Day Holiday
February 5 Sunday Adlai Stevenson Day
February 6 Monday Ronald Reagan Day
March 5 Sunday Day of the Horse
March 6 Monday Casimir Pulaski Holiday
March 25 Saturday Day of Remembrance of the Victims of Slavery and the Transatlantic Slave Trade
March 29 Wednesday Viet Nam War Veterans Day
April 1 Saturday Illinois State Trooper Day
April 13 Thursday D.A.R.E. Day
April 16 Sunday Esther Golar Day
April 18 Tuesday Republic of Ireland Day
April 28 Friday Arbor and Bird Day
May 4 Thursday Day of Prayer in Illinois
May 4 Thursday Peace Officers Memorial Day
May 6 Saturday Veterans Gardening Day
May 7 Sunday Chaplains Day
May 10 Wednesday Mother Mary Ann Bickerdyke Day
May 14 Sunday Mothers Day
May 15 Monday Illinois as National Peace Officers Memorial Day
May 17 Wednesday Diffuse Intrinsic Pontine Glioma (DIPG) Awareness Day
May 18 Thursday Volunteer Emergency Responder Appreciation Day
May 19 Friday First Responder Mental Health Awareness Day
May 21 Sunday Citizenship Day
May 21 Sunday Senior Citizens Day
June 11 Sunday Children's Day
(El Dia de los Ninos)
June 14 Wednesday Flag Day
June 18 Sunday Fathers Day
July 27 Thursday Korean War Armistice Day
August 1 Tuesday Sweet Corn Appreciation Day
August 4 Friday Barack Obama Day
August 7 Monday Purple Heart Day
August 26 Saturday Illinois Constitution Day
September 10 Sunday Great Grandparents Day
September 11 Monday September 11th Day of Remembrance
September 15 Friday POW/MIA Recognition Day
September 19 Tuesday Preventing Lost Potential Day
September 23 Saturday Gold Star Family Day
September 24 Sunday Gold Star Mothers' Day
September 25 Monday Indigenous Peoples Day
October 8 Sunday Grandmothers Day
November 4 Saturday G.I. Bill of Rights Day
November 13 Monday Coal Miners Day
November 14 Tuesday Diabetes Awareness Day
December 3 Sunday Illinois Statehood Day
December 7 Thursday Pearl Harbor Remembrance Day
December 10 Sunday Jane Addams Day
December 23 Saturday Scott's Law Day

Illinois Holiday Calendar 2023:

Illinois Holiday Calendar 2023
Illinois State Holidays 2023