| Wednesday | Jan 1 | New Year's Day | National holiday | |
| Monday | Jan 6 | Epiphany | Christian | |
| Tuesday | Jan 7 | Orthodox Christmas Day | Orthodox | |
| Monday | Jan 13 | Stephen Foster Memorial Day | Observance | |
| Tuesday | Jan 14 | The Prophet's Birthday | Muslim | |
| Tuesday | Jan 14 | Orthodox New Year | Orthodox | |
| Thursday | Jan 16 | Tu Bishvat/Tu B'Shevat | Jewish holiday | |
| Friday | Jan 17 | Lee Jackson Day | State holiday | Virginia |
| Sunday | Jan 19 | Confederate Memorial Day | State holiday | Texas |
| Sunday | Jan 19 | Robert E Lee's Birthday | State holiday | Florida |
| Monday | Jan 20 | Robert E Lee's Birthday | State holiday | AL, AR, MS |
| Monday | Jan 20 | Idaho Human Rights Day | State holiday | Idaho |
| Monday | Jan 20 | Martin Luther King Day | National holiday | |
| Monday | Jan 20 | Civil Rights Day | State holiday | Arizona, New Hampshire |
| Wednesday | Jan 29 | Kansas Day | Observance | |
| Friday | Jan 31 | Chinese New Year | Observance | |
| Saturday | Feb 1 | National Freedom Day | Observance | |
| Sunday | Feb 2 | Groundhog Day | Observance | |
| Tuesday | Feb 4 | Rosa Parks Day | Local holiday | California, Ohio |
| Friday | Feb 7 | National Wear Red Day | Observance | |
| Wednesday | Feb 12 | Lincoln's Birthday | State holiday | CT, IL, MO, NJ, NY |
| Friday | Feb 14 | Susan B Anthony's Birthday observed | State holiday | Florida |
| Friday | Feb 14 | Valentine's Day | Observance | |
| Saturday | Feb 15 | Susan B Anthony's Birthday | State holiday | Florida |
| Monday | Feb 17 | Presidents' Day (Washington's Birthday) | National holiday | |
| Monday | Feb 17 | Daisy Gatson Bates Day | State holiday | Arkansas |
| Saturday | Mar 1 | St. David's Day | Observance | |
| Sunday | Mar 2 | Texas Independence Day | State holiday | Texas |
| Monday | Mar 3 | Casimir Pulaski Day | State holiday | Illinois |
| Monday | Mar 3 | Read Across America Day | Observance | |
| Tuesday | Mar 4 | Shrove Tuesday/Mardi Gras | State holiday | Alabama, Louisiana |
| Tuesday | Mar 4 | Shrove Tuesday/Mardi Gras | Observance | |
| Tuesday | Mar 4 | Town Meeting Day Vermont | State holiday | |
| Wednesday | Mar 5 | Ash Wednesday | Christian | |
| Sunday | Mar 9 | Daylight Saving Time starts | Clock change/Daylight Saving Time | |
| Sunday | Mar 16 | Purim | Jewish holiday | |
| Monday | Mar 17 | Evacuation Day | State holiday | Massachusetts |
| Monday | Mar 17 | St. Patrick's Day | Observance | |
| Thursday | Mar 20 | March equinox | Season | |
| Tuesday | Mar 25 | Maryland Day | State holiday | Maryland |
| Wednesday | Mar 26 | Prince Jonah Kuhio Kalanianaole Day | State holiday | Hawaii |
| Monday | Mar 31 | Seward's Day | State holiday | Alaska |
| Monday | Mar 31 | César Chávez Day | State holiday | CA, CO*, TX* |
| Wednesday | Apr 2 | Pascua Florida Day | State holiday | Florida |
| Sunday | Apr 6 | National Tartan Day | Observance | |
| Sunday | Apr 13 | Thomas Jefferson's Birthday | Observance | |
| Sunday | Apr 13 | Palm Sunday | Christian | |
| Tuesday | Apr 15 | Tax Day | Observance | |
| Tuesday | Apr 15 | Father Damien Day | Local observance | Hawaii |
| Tuesday | Apr 15 | Passover (first day) | Jewish holiday | |
| Wednesday | Apr 16 | Emancipation Day | State holiday | District of Columbia |
| Thursday | Apr 17 | Maundy Thursday | Christian | |
| Friday | Apr 18 | Orthodox Good Friday | Orthodox | |
| Friday | Apr 18 | Good Friday | State holiday | 14 states |
| Saturday | Apr 19 | Holy Saturday | Christian | |
| Saturday | Apr 19 | Orthodox Holy Saturday | Orthodox | |
| Sunday | Apr 20 | Easter Sunday | Observance, Christian | |
| Sunday | Apr 20 | Orthodox Easter | Orthodox | |
| Monday | Apr 21 | San Jacinto Day | State holiday | Texas |
| Monday | Apr 21 | Easter Monday | Christian | |
| Monday | Apr 21 | Patriot's Day | State holiday | Maine, Massachusetts |
| Monday | Apr 21 | Orthodox Easter Monday | Orthodox | |
| Tuesday | Apr 22 | Last Day of Passover | Jewish holiday | |
| Tuesday | Apr 22 | Oklahoma Day | Local observance | Oklahoma |
| Wednesday | Apr 23 | Administrative Professionals Day | Observance | |
| Friday | Apr 25 | Arbor Day | State holiday | Nebraska |
| Monday | Apr 28 | Confederate Memorial Day | State holiday | Mississippi |
| Monday | Apr 28 | Confederate Memorial Day | State holiday | AL, FL, GA |
| Monday | Apr 28 | Yom HaShoah | Jewish holiday | |
| Thursday | May 1 | Loyalty Day | Observance | |
| Thursday | May 1 | National Day of Prayer | Observance | |
| Thursday | May 1 | Law Day | Observance | |
| Sunday | May 4 | Rhode Island Independence Day | State holiday | Rhode Island |
| Monday | May 5 | Cinco de Mayo | Observance | |
| Tuesday | May 6 | Primary Election Day Indiana | State holiday | Indiana |
| Tuesday | May 6 | Yom Ha'atzmaut | Jewish holiday | |
| Tuesday | May 6 | National Nurses Day | Observance | |
| Thursday | May 8 | Truman Day | State holiday | Missouri |
| Friday | May 9 | Confederate Memorial Day observed | State holiday | South Carolina |
| Saturday | May 10 | Confederate Memorial Day | State holiday | North Carolina, South Carolina |
| Sunday | May 11 | Mothers' Day | Observance | |
| Tuesday | May 13 | Primary Election Day West Virginia | State holiday | West Virginia |
| Thursday | May 15 | Peace Officers Memorial Day | Observance | |
| Friday | May 16 | National Defense Transportation Day | Observance | |
| Saturday | May 17 | Armed Forces Day | Observance | |
| Sunday | May 18 | Lag BaOmer | Jewish holiday | |
| Wednesday | May 21 | Emergency Medical Services for Children Day | Observance | |
| Thursday | May 22 | Harvey Milk Day | Observance | California |
| Thursday | May 22 | National Maritime Day | Observance | |
| Sunday | May 25 | National Missing Children's Day | Observance | |
| Monday | May 26 | Jefferson Davis Birthday | Observance | Mississippi |
| Monday | May 26 | Memorial Day | National holiday | |
| Tuesday | May 27 | Isra and Mi'raj | Muslim | |
| Thursday | May 29 | Ascension Day | Christian | |
| Sunday | Jun 1 | Statehood Day | State holiday | Kentucky, Tennessee |
| Monday | Jun 2 | Jefferson Davis Birthday | State holiday | Alabama |
| Tuesday | Jun 3 | Jefferson Davis Birthday | Observance | Florida |
| Wednesday | Jun 4 | Shavuot | Jewish holiday | |
| Friday | Jun 6 | D-Day | Observance | |
| Sunday | Jun 8 | Pentecost | Christian | |
| Monday | Jun 9 | Whit Monday | Christian | |
| Wednesday | Jun 11 | Kamehameha Day | State holiday | Hawaii |
| Saturday | Jun 14 | Flag Day | Observance | |
| Sunday | Jun 15 | Fathers' Day | Observance | |
| Sunday | Jun 15 | Trinity Sunday | Christian | |
| Tuesday | Jun 17 | Bunker Hill Day | State holiday | Massachusetts |
| Thursday | Jun 19 | Corpus Christi | Christian | |
| Thursday | Jun 19 | Juneteenth | Local observance | All except AL, American Samoa, GA, HI, MD, ME, MP, MS, MT, ND,NH, PA, RI, SD, UT, Virgin Islands, Wake Island |
| Friday | Jun 20 | West Virginia Day | State holiday | West Virginia |
| Saturday | Jun 21 | June Solstice | Season | |
| Sunday | Jun 29 | Ramadan starts | Muslim | |
| Friday | Jul 4 | Independence Day | National holiday | |
| Thursday | Jul 24 | Pioneer Day | State holiday | Utah |
| Thursday | Jul 24 | Lailat al-Qadr | Muslim | |
| Sunday | Jul 27 | Parents' Day | Observance | |
| Tuesday | Jul 29 | Eid al-Fitr | Muslim | |
| Tuesday | Aug 5 | Tisha B'Av | Jewish holiday | |
| Monday | Aug 11 | Victory Day | State holiday | Rhode Island |
| Friday | Aug 15 | Bennington Battle Day observed | State holiday | Vermont |
| Friday | Aug 15 | Statehood Day in Hawaii | State holiday | Hawaii |
| Friday | Aug 15 | Assumption of Mary | Christian | |
| Saturday | Aug 16 | Bennington Battle Day | State holiday | Vermont |
| Tuesday | Aug 19 | National Aviation Day | Observance | |
| Thursday | Aug 21 | Senior Citizens Day | Observance | |
| Wednesday | Aug 27 | Lyndon Baines Johnson Day | State holiday | Texas |
| Monday | Sep 1 | Labor Day | National holiday | |
| Saturday | Sep 6 | Carl Garner Federal Lands Cleanup Day | Observance | |
| Sunday | Sep 7 | National Grandparents Day | Observance | |
| Thursday | Sep 11 | Patriot Day | Observance | |
| Wednesday | Sep 17 | Constitution Day and Citizenship Day | Observance | |
| Friday | Sep 19 | National POW/MIA Recognition Day | Observance | |
| Monday | Sep 22 | Emancipation Day | State holiday | Ohio |
| Tuesday | Sep 23 | September equinox | Season | |
| Thursday | Sep 25 | Rosh Hashana | Jewish holiday | |
| Friday | Sep 26 | Native Americans' Day | Observance | California, Washington |
| Sunday | Sep 28 | Gold Star Mother's Day | Observance | |
| Saturday | Oct 4 | Yom Kippur | Jewish holiday | |
| Saturday | Oct 4 | Feast of St Francis of Assisi | Christian | |
| Sunday | Oct 5 | Eid al-Adha | Muslim | |
| Monday | Oct 6 | Child Health Day | Observance | |
| Thursday | Oct 9 | First Day of Sukkot | Jewish holiday | |
| Thursday | Oct 9 | Leif Erikson Day | Observance | |
| Monday | Oct 13 | Indigenous People's Day | State holiday | California |
| Monday | Oct 13 | Native Americans' Day | State holiday | South Dakota |
| Monday | Oct 13 | Columbus Day | National holiday | All except CA, FL, HI, NV, SD, TX, WA |
| Wednesday | Oct 15 | White Cane Safety Day | Observance | |
| Wednesday | Oct 15 | Last Day of Sukkot | Jewish holiday | |
| Thursday | Oct 16 | Shmini Atzeret | Jewish holiday | |
| Thursday | Oct 16 | Boss's Day | Observance | |
| Friday | Oct 17 | Alaska Day observed | State holiday | Alaska |
| Saturday | Oct 18 | Alaska Day | State holiday | Alaska |
| Thursday | Oct 23 | Diwali/Deepavali | Observance | |
| Saturday | Oct 25 | Muharram | Muslim | |
| Friday | Oct 31 | Halloween | Observance | |
| Friday | Oct 31 | Nevada Day | State holiday | Nevada |
| Saturday | Nov 1 | All Saints' Day | Christian | |
| Sunday | Nov 2 | Daylight Saving Time ends | Clock change/Daylight Saving Time | |
| Sunday | Nov 2 | All Souls' Day | Christian | |
| Tuesday | Nov 4 | Election Day | State holiday | 12 states |
| Thursday | Nov 6 | Return Day Delaware | State holiday | Delaware |
| Tuesday | Nov 11 | Veterans Day | National holiday | |
| Thursday | Nov 27 | Thanksgiving Day | National holiday | |
| Friday | Nov 28 | Presidents' Day | State holiday | New Mexico |
| Friday | Nov 28 | Robert E Lee's Birthday | State holiday | Georgia |
| Friday | Nov 28 | Black Friday | State holiday | 17 states |
| Friday | Nov 28 | Lincoln's Birthday | State holiday | Indiana, West Virginia |
| Friday | Nov 28 | American Indian Heritage Day | State holiday | Maryland |
| Sunday | Nov 30 | First Sunday of Advent | Christian | |
| Monday | Dec 1 | Cyber Monday | Observance | |
| Saturday | Dec 6 | St Nicholas' Day | Observance | |
| Sunday | Dec 7 | Pearl Harbor Remembrance Day | Observance | |
| Monday | Dec 8 | Feast of the Immaculate Conception | Christian | |
| Friday | Dec 12 | Feast of Our Lady of Guadalupe | Observance | |
| Wednesday | Dec 17 | Chanukah/Hanukkah (first day) | Jewish holiday | |
| Wednesday | Dec 17 | Pan American Aviation Day | Observance | |
| Wednesday | Dec 17 | Wright Brothers Day | Observance | |
| Sunday | Dec 21 | December Solstice | Season | |
| Wednesday | Dec 24 | Last Day of Chanukah | Jewish holiday | |
| Wednesday | Dec 24 | Christmas Eve | State holiday | KS*, KY, MI, NC, ND, OK, SC, TX, VA*, WI |
| Wednesday | Dec 24 | Christmas Eve | Observance, Christian | |
| Thursday | Dec 25 | Christmas Day | National holiday, Christian | |
| Friday | Dec 26 | Day After Christmas Day | State holiday | KS, NC, NH, SC, TX, VA |
| Friday | Dec 26 | Washington's Birthday | State holiday | Indiana |
| Friday | Dec 26 | Kwanzaa (until Jan 1) | Observance | |
| Wednesday | Dec 31 | New Year's Eve | State holiday | KY, MI, WI |
| Wednesday | Dec 31 | New Year's Eve | Observance | |
