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