| Day | Date | Holiday Name | Type |
|---|---|---|---|
| Tuesday | 01 January | New Year's Day | Federal Holiday |
| Sunday | 06 January | Epiphany | Christian |
| Monday | 07 January | Orthodox Christmas Day | Orthodox |
| Sunday | 13 January | Stephen Foster Memorial Day | Observance |
| Monday | 14 January | Orthodox New Year | Orthodox |
| Friday | 18 January | Lee-Jackson Day | State holiday |
| Saturday | 19 January | Robert E. Lee's Birthday | State holiday |
| Saturday | 19 January | Confederate Heroes' Day | State holiday |
| Monday | 21 January | Tu Bishvat/Tu B'Shevat | Jewish holiday |
| Monday | 21 January | Martin Luther King Jr. Day | Federal Holiday |
| Monday | 21 January | Robert E. Lee's Birthday | State holiday |
| Monday | 21 January | Idaho Human Rights Day | State holiday |
| Monday | 21 January | Civil Rights Day | State holiday |
| Tuesday | 29 January | Kansas Day | Observance |
| Friday | 01 February | National Freedom Day | Observance |
| Friday | 01 February | National Wear Red Day | Observance |
| Saturday | 02 February | Groundhog Day | Observance |
| Sunday | 03 February | Super Bowl | Sporting event |
| Monday | 04 February | Rosa Parks Day | Local observance |
| Tuesday | 05 February | Chinese New Year | Observance |
| Tuesday | 12 February | Lincoln's Birthday | State holiday |
| Tuesday | 12 February | Lincoln's Birthday | Local observance |
| Thursday | 14 February | Valentine's Day | Observance |
| Thursday | 14 February | Statehood Day | Local observance |
| Friday | 15 February | Susan B. Anthony's Birthday | Local observance |
| Saturday | 16 February | Elizabeth Peratrovich Day | Local observance |
| Monday | 18 February | Presidents' Day | Federal Holiday |
| Monday | 18 February | Daisy Gatson Bates Day | State holiday |
| Thursday | 28 February | Linus Pauling Day | Local observance |
| Friday | 01 March | St. David's Day | Observance, Christian |
| Friday | 01 March | Read Across America Day | Observance |
| Friday | 01 March | Employee Appreciation Day | Observance |
| Saturday | 02 March | Texas Independence Day | State holiday |
| Monday | 04 March | Maha Shivaratri | Hindu Holiday |
| Monday | 04 March | Casimir Pulaski Day | Local observance |
| Tuesday | 05 March | Shrove Tuesday/Mardi Gras | Observance, Christian |
| Tuesday | 05 March | Shrove Tuesday/Mardi Gras | State holiday |
| Tuesday | 05 March | Shrove Tuesday/Mardi Gras | State holiday |
| Tuesday | 05 March | Town Meeting Day | State holiday |
| Wednesday | 06 March | Ash Wednesday | Christian |
| Sunday | 10 March | Daylight Saving Time starts | Clock change/Daylight Saving Time |
| Sunday | 17 March | St. Patrick's Day | Observance, Christian |
| Sunday | 17 March | Evacuation Day | State holiday |
| Monday | 18 March | Evacuation Day observed | State holiday |
| Wednesday | 20 March | March Equinox | Season |
| Thursday | 21 March | Holi | Hindu Holiday |
| Thursday | 21 March | Purim | Jewish holiday |
| Monday | 25 March | Maryland Day | Local observance |
| Monday | 25 March | Seward's Day | State holiday |
| Tuesday | 26 March | Prince Jonah Kuhio Kalanianaole Day | State holiday |
| Friday | 29 March | National Vietnam War Veterans Day | Observance |
| Sunday | 31 March | César Chávez Day | State holiday |
| Monday | 01 April | César Chávez Day observed | State holiday |
| Tuesday | 02 April | Pascua Florida Day | Local observance |
| Wednesday | 03 April | Isra and Mi'raj | Muslim |
| Saturday | 06 April | National Tartan Day | Observance |
| Tuesday | 09 April | National Library Workers' Day | Observance |
| Saturday | 13 April | Thomas Jefferson's Birthday | Observance |
| Sunday | 14 April | Palm Sunday | Christian |
| Monday | 15 April | Tax Day | Observance |
| Monday | 15 April | Father Damien Day | Local observance |
| Monday | 15 April | Patriot's Day | State holiday |
| Monday | 15 April | Boston Marathon | Sporting event |
| Tuesday | 16 April | Emancipation Day | State holiday |
| Thursday | 18 April | Maundy Thursday | Christian |
| Friday | 19 April | Good Friday | State holiday |
| Saturday | 20 April | Holy Saturday | Christian |
| Saturday | 20 April | Passover (first day) | Jewish holiday |
| Sunday | 21 April | Easter Sunday | Observance, Christian |
| Sunday | 21 April | San Jacinto Day | State holiday |
| Monday | 22 April | Easter Monday | Observance, Christian |
| Monday | 22 April | Oklahoma Day | Local observance |
| Monday | 22 April | Confederate Memorial Day | State holiday |
| Monday | 22 April | State Holiday | State holiday |
| Wednesday | 24 April | Administrative Professionals Day | Observance |
| Thursday | 25 April | Take our Daughters and Sons to Work Day | Observance |
| Friday | 26 April | Orthodox Good Friday | Orthodox |
| Friday | 26 April | Arbor Day | State holiday |
| Friday | 26 April | Confederate Heroes' Day | Local observance |
| Saturday | 27 April | Last Day of Passover | Jewish holiday |
| Saturday | 27 April | Orthodox Holy Saturday | Orthodox |
| Sunday | 28 April | Orthodox Easter | Orthodox |
| Monday | 29 April | Orthodox Easter Monday | Orthodox |
| Monday | 29 April | Confederate Memorial Day | State holiday |
| Wednesday | 01 May | Yom HaShoah | Jewish commemoration |
| Wednesday | 01 May | Law Day | Observance |
| Wednesday | 01 May | Loyalty Day | Observance |
| Wednesday | 01 May | Lei Day | Local observance |
| Thursday | 02 May | National Day of Prayer | Observance |
| Friday | 03 May | Kentucky Oaks | Sporting event |
| Saturday | 04 May | Kent State Shootings Remembrance | Local observance |
| Saturday | 04 May | Kentucky Derby | Sporting event |
| Saturday | 04 May | Rhode Island Independence Day | Local observance |
| Saturday | 04 May | National Explosive Ordnance Disposal (EOD) Day | Observance |
| Sunday | 05 May | Cinco de Mayo | Observance |
| Monday | 06 May | Ramadan Starts | Muslim |
| Monday | 06 May | National Nurses Day | Observance |
| Wednesday | 08 May | Truman Day | State holiday |
| Thursday | 09 May | Yom Ha'atzmaut | Jewish holiday |
| Friday | 10 May | Confederate Memorial Day | Local observance |
| Friday | 10 May | Confederate Memorial Day | State holiday |
| Friday | 10 May | Military Spouse Appreciation Day | Observance |
| Sunday | 12 May | Mother's Day | Observance |
| Wednesday | 15 May | Peace Officers Memorial Day | Observance |
| Friday | 17 May | National Defense Transportation Day | Observance |
| Saturday | 18 May | Armed Forces Day | Observance |
| Saturday | 18 May | Preakness Stakes | Sporting event |
| Wednesday | 22 May | Emergency Medical Services for Children Day | Observance |
| Wednesday | 22 May | National Maritime Day | Observance |
| Wednesday | 22 May | Harvey Milk Day | Local observance |
| Thursday | 23 May | Lag BaOmer | Jewish holiday |
| Saturday | 25 May | National Missing Children's Day | Observance |
| Monday | 27 May | Memorial Day | Federal Holiday |
| Monday | 27 May | Jefferson Davis' Birthday | Local observance |
| Thursday | 30 May | Ascension Day | Christian |
| Saturday | 01 June | Lailat al-Qadr | Muslim |
| Saturday | 01 June | Statehood Day | Local observance |
| Monday | 03 June | Jefferson Davis' Birthday | State holiday |
| Monday | 03 June | Jefferson Davis' Birthday | Local observance |
| Tuesday | 04 June | Eid al-Fitr | Muslim |
| Thursday | 06 June | D-Day | Observance |
| Saturday | 08 June | Belmont Stakes | Sporting event |
| Sunday | 09 June | Pentecost | Christian |
| Sunday | 09 June | Shavuot | Jewish holiday |
| Monday | 10 June | Whit Monday | Christian |
| Tuesday | 11 June | Kamehameha Day | State holiday |
| Friday | 14 June | Army Birthday | Observance |
| Friday | 14 June | Flag Day | Observance |
| Sunday | 16 June | Trinity Sunday | Christian |
| Sunday | 16 June | Father's Day | Observance |
| Sunday | 16 June | Bunker Hill Day | Local observance |
| Wednesday | 19 June | Juneteenth | Local observance |
| Wednesday | 19 June | Emancipation Day | State holiday |
| Thursday | 20 June | West Virginia Day | State holiday |
| Thursday | 20 June | American Eagle Day | Observance |
| Friday | 21 June | June Solstice | Season |
| Sunday | 23 June | Corpus Christi | Christian |
| Thursday | 04 July | Independence Day | Federal Holiday |
| Sunday | 14 July | Bastille Day | Observance |
| Wednesday | 24 July | Pioneer Day | State holiday |
| Saturday | 27 July | National Korean War Veterans Armistice Day | Observance |
| Sunday | 28 July | Parents' Day | Observance |
| Thursday | 01 August | Colorado Day | Local observance |
| Sunday | 04 August | Coast Guard Birthday | Observance |
| Wednesday | 07 August | Purple Heart Day | Observance |
| Sunday | 11 August | Tisha B'Av | Jewish holiday |
| Sunday | 11 August | Eid al-Adha | Muslim |
| Monday | 12 August | Victory Day | State holiday |
| Wednesday | 14 August | Raksha Bandhan | Hindu Holiday |
| Thursday | 15 August | Assumption of Mary | Christian |
| Friday | 16 August | Statehood Day in Hawaii | State holiday |
| Friday | 16 August | Bennington Battle Day | State holiday |
| Monday | 19 August | National Aviation Day | Observance |
| Wednesday | 21 August | Senior Citizens Day | Observance |
| Friday | 23 August | Janmashtami | Hindu Holiday |
| Monday | 26 August | Women's Equality Day | Observance |
| Tuesday | 27 August | Lyndon Baines Johnson Day | State holiday |
| Saturday | 31 August | Muharram | Muslim |
| Monday | 02 September | Ganesh Chaturthi | Hindu Holiday |
| Monday | 02 September | Labor Day | Federal Holiday |
| Saturday | 07 September | Carl Garner Federal Lands Cleanup Day | Observance |
| Sunday | 08 September | National Grandparents Day | Observance |
| Monday | 09 September | California Admission Day | Local observance |
| Wednesday | 11 September | Patriot Day | Observance |
| Tuesday | 17 September | Constitution Day and Citizenship Day | Observance |
| Wednesday | 18 September | Air Force Birthday | Observance |
| Friday | 20 September | National POW/MIA Recognition Day | Observance |
| Saturday | 21 September | National CleanUp Day | Observance |
| Sunday | 22 September | Emancipation Day | Local observance |
| Monday | 23 September | September Equinox | Season |
| Friday | 27 September | Native American Day | Local observance |
| Sunday | 29 September | Navratri | Hindu Holiday |
| Sunday | 29 September | Gold Star Mother's Day | Observance |
| Monday | 30 September | Rosh Hashana | Jewish holiday |
| Monday | 30 September | Rosh Hashana | State holiday |
| Friday | 04 October | Feast of St Francis of Assisi | Christian |
| Monday | 07 October | Dussehra | Hindu Holiday |
| Monday | 07 October | Child Health Day | Observance |
| Wednesday | 09 October | Leif Erikson Day | Observance |
| Wednesday | 09 October | Yom Kippur | State holiday |
| Wednesday | 09 October | Yom Kippur | Jewish holiday |
| Sunday | 13 October | Navy Birthday | Observance |
| Sunday | 13 October | Chicago Marathon | Sporting event |
| Monday | 14 October | First Day of Sukkot | Jewish holiday |
| Monday | 14 October | Columbus Day | Federal Holiday |
| Monday | 14 October | Columbus Day | Local observance |
| Monday | 14 October | Native Americans' Day | Local observance |
| Monday | 14 October | Indigenous People's Day | Local observance |
| Tuesday | 15 October | White Cane Safety Day | Observance |
| Wednesday | 16 October | Boss's Day | Observance |
| Friday | 18 October | Alaska Day | State holiday |
| Saturday | 19 October | Sweetest Day | Observance |
| Sunday | 20 October | Last Day of Sukkot | Jewish holiday |
| Monday | 21 October | Shmini Atzeret | Jewish holiday |
| Tuesday | 22 October | Simchat Torah | Jewish holiday |
| Friday | 25 October | Nevada Day | State holiday |
| Sunday | 27 October | Diwali/Deepavali | Observance, Hinduism |
| Thursday | 31 October | Halloween | Observance |
| Friday | 01 November | All Saints' Day | Christian |
| Saturday | 02 November | All Souls' Day | Christian |
| Sunday | 03 November | Daylight Saving Time ends | Clock change/Daylight Saving Time |
| Sunday | 03 November | New York City Marathon | Sporting event |
| Saturday | 09 November | The Prophet's Birthday | Muslim |
| Sunday | 10 November | Marine Corps Birthday | Observance |
| Monday | 11 November | Veterans Day | Federal Holiday |
| Thursday | 28 November | Thanksgiving Day | Federal Holiday |
| Friday | 29 November | State Holiday | State holiday |
| Friday | 29 November | Presidents' Day | State holiday |
| Friday | 29 November | Lincoln's Birthday/Lincoln's Day | State holiday |
| Friday | 29 November | Day After Thanksgiving | State holiday |
| Friday | 29 November | Family Day | State holiday |
| Friday | 29 November | Acadian Day | State holiday |
| Friday | 29 November | Black Friday | Observance |
| Friday | 29 November | American Indian Heritage Day | State holiday |
| Sunday | 01 December | First Sunday of Advent | Christian |
| Sunday | 01 December | Rosa Parks Day | Local observance |
| Monday | 02 December | Cyber Monday | Observance |
| Friday | 06 December | St Nicholas Day | Observance |
| Saturday | 07 December | Pearl Harbor Remembrance Day | Observance |
| Sunday | 08 December | Feast of the Immaculate Conception | Christian |
| Thursday | 12 December | Feast of Our Lady of Guadalupe | Christian |
| Friday | 13 December | National Guard Birthday | Observance |
| Sunday | 15 December | Bill of Rights Day | Observance |
| Tuesday | 17 December | Pan American Aviation Day | Observance |
| Tuesday | 17 December | Wright Brothers Day | Observance |
| Saturday | 21 December | December Solstice | Season |
| Monday | 23 December | Chanukah/Hanukkah (first day) | Jewish holiday |
| Tuesday | 24 December | Christmas Eve | State holiday |
| Tuesday | 24 December | Christmas Eve | Observance, Christian |
| Tuesday | 24 December | Washington's Birthday | State holiday |
| Wednesday | 25 December | Christmas Day | Federal Holiday |
| Thursday | 26 December | Kwanzaa (first day) | Observance |
| Thursday | 26 December | Day After Christmas Day | State holiday |
| Monday | 30 December | Last Day of Chanukah | Jewish holiday |
| Tuesday | 31 December | New Year's Eve | State holiday |
| Tuesday | 31 December | New Year's Eve | Observance |
