| December 2017 | |||
|---|---|---|---|
| Date | Day | Holiday | Where |
| December-1 | Friday | Arbor Day | South Carolina (Special Days) |
| December-1 | Friday | Frances Willard Day | South Carolina (Special Days) |
| December-1 | Friday | Rosa Parks Day | Ohio (Designated Days) |
| December-3 | Sunday | Organ Donor Awareness Day | Maine (Designated Days) |
| December-4 | Monday | Alpha Phi Alpha Day | Missouri (Designated Days) |
| December-4 | Monday | PKS day | Missouri (Designated Days) |
| December-7 | Thursday | Delaware Day | Delaware (Special Days) |
| December-7 | Thursday | My Nationality American Day | Louisiana (Special Days) |
| December-7 | Thursday | Pearl Harbor Remembrance Day | Kansas (Commemoration day) |
| December-7 | Thursday | Pearl Harbor Remembrance Day | California, Missouri, Wyoming (Designated Days) |
| December-7 | Thursday | Pearl Harbor Remembrance Day | Nevada, New Jersey, Oklahoma (Observed Days) |
| December-7 | Thursday | Pearl Harbor Remembrance Day | Washington (Recognized Days) |
| December-7 | Thursday | Pearl Harbor Remembrance Day | Michigan, North Carolina, Virginia (Special Days) |
| December-8 | Friday | Bodhi Day | Hawaii (Designated Days) |
| December-10 | Sunday | Wyoming Day | Wyoming (Designated Days) |
| December-11 | Monday | Indiana Day | Indiana (Observed Days) |
| December-12 | Tuesday | Foster Children's Day | New Jersey (Observed Days) |
| December-14 | Thursday | Margaret Chase Smith Day | Maine (Designated Days) |
| December-15 | Friday | Bill of Rights Day | Utah (Commemorative Days) |
| December-15 | Friday | Bill of Rights Day | Florida, Missouri (Designated Days) |
| December-15 | Friday | Bill of Rights Day | Georgia, Oklahoma (Observed Days) |
| December-15 | Friday | Bill of Rights Day | Iowa (Recognition Days) |
| December-15 | Friday | Bill of Rights Day | Montana, South Carolina, South Dakota, Virginia (Special Days) |
| December-16 | Saturday | Bill of Responsibilities Day | Oklahoma (Observed Days) |
| December-17 | Sunday | Annapolis Charter Day | Maryland (Commemorative Days) |
| December-19 | Tuesday | Senator Hattie W. Caraway Day | Arkansas (Memorial Days) |
| December-20 | Wednesday | Sakada Day | Hawaii (Designated Days) |
| December-21 | Thursday | Chester Greenwood Day | Maine (Designated Days) |
| December-21 | Thursday | Homeless Persons' Memorial Day | Florida, Ohio (Designated Days) |
| December-22 | Friday | Additional Holidays | Virginia (Public Holidays) |
| December-22 | Friday | Christmas Eve | Michigan, South Carolina, Texas (Public Holidays) |
| December-24 | Sunday | Christmas Eve | Wisconsin (Public Holidays) |
| December-25 | Monday | Christmas | New York Stock Exchange, United States Postal Service, US Banks |
| December-25 | Monday | Christmas | Alabama, Alaska, Arizona, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming (Public Holidays) |
| December-25 | Monday | Christmas Day | Federal |
| December-25 | Monday | Christmas Eve | Arkansas (Public Holidays) |
| December-26 | Tuesday | Additional Holiday | Virginia (Public Holidays) |
| December-26 | Tuesday | Boxing Day | Kentucky, Oklahoma, South Carolina (Public Holidays) |
| December-26 | Tuesday | Christmas | Arkansas, North Carolina (Public Holidays) |
| December-26 | Tuesday | Washington's Birthday | Georgia, Indiana (Public Holidays) |
| December-27 | Wednesday | Christmas | North Carolina (Public Holidays) |
| December-29 | Friday | New Year's Eve | Kentucky, Michigan (Public Holidays) |
| December-29 | Friday | Wounded Knee Day | South Dakota (Special Days) |
| December-31 | Sunday | New Year's Eve | Wisconsin (Public Holidays) |