Illinois Holidays 2015
Check Illinois Public Holidays for the year 2015.
| No | Date | Day | Holiday |
| 1 | January 1 | Thursday | New Year's Day |
| 2 | January 19 | Monday | Birthday of Martin Luther King, Jr. |
| 3 | February 12 | Thursday | Lincoln's Birthday |
| 4 | February 16 | Monday | Washington's Birthday |
| 5 | May 25 | Monday | Memorial Day |
| 6 | July 3 | Friday | Independence Day |
| 7 | September 7 | Monday | Labor Day |
| 8 | October 12 | Monday | Columbus Day |
| 9 | November 11 | Wednesday | Veterans Day |
| 10 | November 26 | Thursday | Thanksgiving Day |
| 11 | November 27 | Friday | Thanksgiving Friday |
| 12 | December 25 | Friday | Christmas |