| Monday | January 01 2024 | New Year's Day | Federal Holiday |
| Saturday | January 06 2024 | Epiphany | Christian |
| Sunday | January 07 2024 | Orthodox Christmas Day | Orthodox |
| Friday | January 12 2024 | Lee-jackson Day | State Holiday |
| Saturday | January 13 2024 | Stephen Foster Memorial Day | Observance |
| Sunday | January 14 2024 | Orthodox New Year | Orthodox |
| Monday | January 15 2024 | Idaho Human Rights Day | State Holiday |
| Monday | January 15 2024 | Civil Rights Day | State Holiday |
| Monday | January 15 2024 | Martin Luther King Jr. Day | Federal Holiday |
| Friday | January 19 2024 | Robert E. Lee's Birthday | State Holiday |
| Thursday | January 25 2024 | Tu Bishvat/tu B'shevat | Jewish Holiday |
| Monday | January 29 2024 | Kansas Day | Observance |
| Thursday | February 01 2024 | National Freedom Day | Observance |
| Friday | February 02 2024 | Groundhog Day | Observance |
| Friday | February 02 2024 | National Wear Red Day | Observance |
| Sunday | February 04 2024 | Super Bowl | Sporting Event |
| Wednesday | February 07 2024 | Isra And Mi'raj | Muslim |
| Saturday | February 10 2024 | Chinese New Year | Observance |
| Monday | February 12 2024 | Lincoln's Birthday | Local Observance |
| Tuesday | February 13 2024 | Shrove Tuesday/mardi Gras | Observance, Christian |
| Wednesday | February 14 2024 | Valentine's Day | Observance |
| Wednesday | February 14 2024 | Ash Wednesday | Christian |
| Thursday | February 15 2024 | Susan B. Anthony's Birthday | Local Observance |
| Friday | February 16 2024 | Elizabeth Peratrovich Day | Local Observance |
| Monday | February 19 2024 | Daisy Gatson Bates Day | State Holiday |
| Wednesday | February 28 2024 | Linus Pauling Day | Local Observance |
| Friday | March 01 2024 | St. David's Day | Observance, Christian |
| Friday | March 01 2024 | Read Across America Day | Observance |
| Friday | March 01 2024 | Employee Appreciation Day | Observance |
| Saturday | March 02 2024 | Texas Independence Day | State Holiday |
| Tuesday | March 05 2024 | Town Meeting Day | State Holiday |
| Sunday | March 10 2024 | Daylight Saving Time Starts | Clock Change/daylight Saving Time |
| Monday | March 11 2024 | Ramadan Starts | Muslim |
| Sunday | March 17 2024 | St. Patrick's Day | Observance, Christian |
| Tuesday | March 19 2024 | March Equinox | Season |
| Sunday | March 24 2024 | Palm Sunday | Christian |
| Sunday | March 24 2024 | Purim | Jewish Holiday |
| Monday | March 25 2024 | Maryland Day | Local Observance |
| Monday | March 25 2024 | Seward's Day | State Holiday |
| Tuesday | March 26 2024 | Prince Jonah Kuhio Kalanianaole Day | State Holiday |
| Thursday | March 28 2024 | Maundy Thursday | Christian |
| Friday | March 29 2024 | National Vietnam War Veterans Day | Observance |
| Saturday | March 30 2024 | Holy Saturday | Christian |
| Sunday | March 31 2024 | Easter Sunday | Observance, Christian |
| Monday | April 01 2024 | Easter Monday | Observance, Christian |
| Tuesday | April 02 2024 | Pascua Florida Day | Local Observance |
| Friday | April 05 2024 | Lailat Al-qadr | Muslim |
| Saturday | April 06 2024 | National Tartan Day | Observance |
| Tuesday | April 09 2024 | National Library Workers' Day | Observance |
| Wednesday | April 10 2024 | Eid Al-fitr | Muslim |
| Saturday | April 13 2024 | Thomas Jefferson's Birthday | Observance |
| Monday | April 15 2024 | Patriot's Day | State Holiday |
| Monday | April 15 2024 | Boston Marathon | Sporting Event |
| Monday | April 15 2024 | Tax Day | Observance |
| Monday | April 15 2024 | Father Damien Day | Local Observance |
| Sunday | April 21 2024 | San Jacinto Day | State Holiday |
| Monday | April 22 2024 | Oklahoma Day | Local Observance |
| Tuesday | April 23 2024 | Passover (first Day) | Jewish Holiday |
| Wednesday | April 24 2024 | Administrative Professionals Day | Observance |
| Thursday | April 25 2024 | Take Our Daughters And Sons To Work Day | Observance |
| Friday | April 26 2024 | Arbor Day | State Holiday |
| Friday | April 26 2024 | Confederate Heroes' Day | Local Observance |
| Tuesday | April 30 2024 | Last Day Of Passover | Jewish Holiday |
| Wednesday | May 01 2024 | Law Day | Observance |
| Wednesday | May 01 2024 | Loyalty Day | Observance |
| Wednesday | May 01 2024 | Lei Day | Local Observance |
| Thursday | May 02 2024 | National Day Of Prayer | Observance |
| Friday | May 03 2024 | Orthodox Good Friday | Orthodox |
| Friday | May 03 2024 | Kentucky Oaks | Sporting Event |
| Saturday | May 04 2024 | Kentucky Derby | Sporting Event |
| Saturday | May 04 2024 | Rhode Island Independence Day | Local Observance |
| Saturday | May 04 2024 | National Explosive Ordnance Disposal (eod) Day | Observance |
| Saturday | May 04 2024 | Orthodox Holy Saturday | Orthodox |
| Saturday | May 04 2024 | Kent State Shootings Remembrance | Local Observance |
| Sunday | May 05 2024 | Orthodox Easter | Orthodox |
| Sunday | May 05 2024 | Cinco De Mayo | Observance |
| Monday | May 06 2024 | Yom Hashoah | Jewish Commemoration |
| Monday | May 06 2024 | Orthodox Easter Monday | Orthodox |
| Monday | May 06 2024 | National Nurses Day | Observance |
| Wednesday | May 08 2024 | Victory In Europe Day | Observance |
| Wednesday | May 08 2024 | Truman Day | State Holiday |
| Thursday | May 09 2024 | Ascension Day | Christian |
| Friday | May 10 2024 | Confederate Memorial Day | State Holiday |
| Friday | May 10 2024 | Military Spouse Appreciation Day | Observance |
| Sunday | May 12 2024 | Mother's Day | Observance |
| Tuesday | May 14 2024 | Yom Ha'atzmaut | Jewish Holiday |
| Tuesday | May 14 2024 | Primary Election Day | State Holiday |
| Wednesday | May 15 2024 | Peace Officers Memorial Day | Observance |
| Friday | May 17 2024 | National Defense Transportation Day | Observance |
| Saturday | May 18 2024 | Armed Forces Day | Observance |
| Saturday | May 18 2024 | Preakness Stakes | Sporting Event |
| Sunday | May 19 2024 | Pentecost | Christian |
| Monday | May 20 2024 | Whit Monday | Christian |
| Wednesday | May 22 2024 | National Maritime Day | Observance |
| Wednesday | May 22 2024 | Harvey Milk Day | Local Observance |
| Wednesday | May 22 2024 | Emergency Medical Services For Children Day | Observance |
| Saturday | May 25 2024 | National Missing Children's Day | Observance |
| Sunday | May 26 2024 | Lag Baomer | Jewish Holiday |
| Sunday | May 26 2024 | Trinity Sunday | Christian |
| Monday | May 27 2024 | Memorial Day | Federal Holiday |
| Thursday | May 30 2024 | Corpus Christi | Christian |
| Saturday | June 01 2024 | Statehood Day | Local Observance |
| Monday | June 03 2024 | Jefferson Davis' Birthday | State Holiday |
| Thursday | June 06 2024 | D-day | Observance |
| Saturday | June 08 2024 | Belmont Stakes | Sporting Event |
| Tuesday | June 11 2024 | Kamehameha Day | State Holiday |
| Wednesday | June 12 2024 | Shavuot | Jewish Holiday |
| Friday | June 14 2024 | Flag Day | Observance |
| Friday | June 14 2024 | Army Birthday | Observance |
| Sunday | June 16 2024 | Father's Day | Observance |
| Sunday | June 16 2024 | Bunker Hill Day | Local Observance |
| Monday | June 17 2024 | Eid Al-adha | Muslim |
| Wednesday | June 19 2024 | Juneteenth | Local Observance |
| Thursday | June 20 2024 | June Solstice | Season |
| Thursday | June 20 2024 | West Virginia Day | State Holiday |
| Thursday | June 20 2024 | American Eagle Day | Observance |
| Thursday | July 04 2024 | Independence Day | Federal Holiday |
| Monday | July 08 2024 | Muharram | Muslim |
| Saturday | July 13 2024 | Nathan Bedford Forrest Day | Local Observance |
| Sunday | July 14 2024 | Bastille Day | Observance |
| Wednesday | July 24 2024 | Pioneer Day | State Holiday |
| Saturday | July 27 2024 | National Korean War Veterans Armistice Day | Observance |
| Sunday | July 28 2024 | Parents' Day | Observance |
| Thursday | August 01 2024 | Colorado Day | Local Observance |
| Sunday | August 04 2024 | Coast Guard Birthday | Observance |
| Wednesday | August 07 2024 | Purple Heart Day | Observance |
| Monday | August 12 2024 | Victory Day | State Holiday |
| Tuesday | August 13 2024 | Tisha B'av | Jewish Holiday |
| Thursday | August 15 2024 | Assumption Of Mary | Christian |
| Friday | August 16 2024 | Bennington Battle Day | State Holiday |
| Friday | August 16 2024 | Hawaii Statehood Day | State Holiday |
| Monday | August 19 2024 | National Aviation Day | Observance |
| Wednesday | August 21 2024 | Senior Citizens Day | Observance |
| Monday | August 26 2024 | Women's Equality Day | Observance |
| Tuesday | August 27 2024 | Lyndon Baines Johnson Day | State Holiday |
| Monday | September 02 2024 | Labor Day | Federal Holiday |
| Saturday | September 07 2024 | Carl Garner Federal Lands Cleanup Day | Observance |
| Sunday | September 08 2024 | National Grandparents Day | Observance |
| Monday | September 09 2024 | California Admission Day | Local Observance |
| Wednesday | September 11 2024 | Patriot Day | Observance |
| Monday | September 16 2024 | The Prophet's Birthday | Muslim |
| Tuesday | September 17 2024 | Constitution Day And Citizenship Day | Observance |
| Wednesday | September 18 2024 | Air Force Birthday | Observance |
| Friday | September 20 2024 | National Pow/mia Recognition Day | Observance |
| Sunday | September 22 2024 | September Equinox | Season |
| Sunday | September 22 2024 | Emancipation Day | Local Observance |
| Friday | September 27 2024 | Native American Day | Local Observance |
| Sunday | September 29 2024 | Gold Star Mother's Day | Observance |
| Thursday | October 03 2024 | Rosh Hashana | Jewish Holiday |
| Friday | October 04 2024 | Feast Of St Francis Of Assisi | Christian |
| Monday | October 07 2024 | Child Health Day | Observance |
| Wednesday | October 09 2024 | Leif Erikson Day | Observance |
| Saturday | October 12 2024 | Yom Kippur | Jewish Holiday |
| Sunday | October 13 2024 | Navy Birthday | Observance |
| Monday | October 14 2024 | Columbus Day | Local Observance |
| Monday | October 14 2024 | Native Americans' Day | Local Observance |
| Tuesday | October 15 2024 | White Cane Safety Day | Observance |
| Wednesday | October 16 2024 | Boss's Day | Observance |
| Thursday | October 17 2024 | First Day Of Sukkot | Jewish Holiday |
| Friday | October 18 2024 | Alaska Day | State Holiday |
| Saturday | October 19 2024 | Sweetest Day | Observance |
| Wednesday | October 23 2024 | Last Day Of Sukkot | Jewish Holiday |
| Thursday | October 24 2024 | Shmini Atzeret | Jewish Holiday |
| Friday | October 25 2024 | Simchat Torah | Jewish Holiday |
| Friday | October 25 2024 | Nevada Day | State Holiday |
| Thursday | October 31 2024 | Halloween | Observance |
| Friday | November 01 2024 | All Saints' Day | Christian |
| Saturday | November 02 2024 | All Souls' Day | Christian |
| Sunday | November 03 2024 | Daylight Saving Time Ends | Clock Change/daylight Saving Time |
| Sunday | November 03 2024 | New York City Marathon | Sporting Event |
| Tuesday | November 05 2024 | Election Day | Observance |
| Sunday | November 10 2024 | Marine Corps Birthday | Observance |
| Monday | November 11 2024 | Veterans Day | Federal Holiday |
| Thursday | November 28 2024 | Thanksgiving Day | Federal Holiday |
| Friday | November 29 2024 | Lincoln's Birthday/lincoln's Day | State Holiday |
| Friday | November 29 2024 | American Indian Heritage Day | State Holiday |
| Friday | November 29 2024 | Day After Thanksgiving | State Holiday |
| Friday | November 29 2024 | Family Day | State Holiday |
| Friday | November 29 2024 | State Holiday | State Holiday |
| Friday | November 29 2024 | Acadian Day | State Holiday |
| Friday | November 29 2024 | Presidents' Day | State Holiday |
| Friday | November 29 2024 | Black Friday | Observance |
| Sunday | December 01 2024 | First Sunday Of Advent | Christian |
| Sunday | December 01 2024 | Rosa Parks Day | Local Observance |
| Monday | December 02 2024 | Cyber Monday | Observance |
| Friday | December 06 2024 | St Nicholas Day | Observance |
| Saturday | December 07 2024 | Pearl Harbor Remembrance Day | Observance |
| Sunday | December 08 2024 | Feast Of The Immaculate Conception | Christian |
| Thursday | December 12 2024 | Feast Of Our Lady Of Guadalupe | Christian |
| Friday | December 13 2024 | National Guard Birthday | Observance |
| Sunday | December 15 2024 | Bill Of Rights Day | Observance |
| Tuesday | December 17 2024 | Pan American Aviation Day | Observance |
| Tuesday | December 17 2024 | Wright Brothers Day | Observance |
| Saturday | December 21 2024 | December Solstice | Season |
| Tuesday | December 24 2024 | Christmas Eve | Observance, Christian |
| Wednesday | December 25 2024 | Christmas Day | Federal Holiday |
| Thursday | December 26 2024 | Chanukah/hanukkah (first Day) | Jewish Holiday |
| Thursday | December 26 2024 | Kwanzaa (first Day) | Observance |
| Thursday | December 26 2024 | Day After Christmas Day | State Holiday |
| Tuesday | December 31 2024 | New Year's Eve | State Holiday |