| Date | Holiday Name | Type |
|---|
| Saturday, January 01, 2028 | New Year's Day | Federal Holiday |
| Saturday, January 01, 2028 | New Year's Eve observed | State holiday |
| Tuesday, January 04, 2028 | World Braille Day | Worldwide observance |
| Thursday, January 06, 2028 | Epiphany | Christian |
| Friday, January 07, 2028 | Orthodox Christmas Day | Orthodox |
| Friday, January 07, 2028 | International Programmers' Day | Worldwide observance |
| Wednesday, January 12, 2028 | Lee Jackson Day | State holiday |
| Thursday, January 13, 2028 | Stephen Foster Memorial Day | Observance |
| Friday, January 14, 2028 | Orthodox New Year | Orthodox |
| Saturday, January 15, 2028 | Martin Luther King Jr. Day | Federal Holiday |
| Saturday, January 15, 2028 | Robert E Lee's Birthday | State holiday |
| Saturday, January 15, 2028 | State Holiday | State holiday |
| Saturday, January 15, 2028 | Idaho Human Rights Day | State holiday |
| Saturday, January 15, 2028 | Civil Rights Day | State holiday |
| Wednesday, January 19, 2028 | Robert E Lee's Birthday | State holiday |
| Wednesday, January 19, 2028 | State Holiday | State holiday |
| Friday, January 21, 2028 | World Religion Day | Worldwide observance |
| Wednesday, January 26, 2028 | International Customs Day | Worldwide observance |
| Thursday, January 27, 2028 | International Day of Commemoration in Memory of the Victims of the Holocaust | United Nations observance |
| Friday, January 28, 2028 | World Leprosy Day | Worldwide observance |
| Saturday, January 29, 2028 | Kansas Day | Observance |
| Monday, January 31, 2028 | Tu Bishvat/Tu B'Shevat | Jewish holiday |
| Tuesday, February 01, 2028 | National Freedom Day | Observance |
| Wednesday, February 02, 2028 | World Wetlands Day | Worldwide observance |
| Wednesday, February 02, 2028 | Groundhog Day | Observance |
| Wednesday, February 02, 2028 | National Wear Red Day | Observance |
| Friday, February 04, 2028 | World Cancer Day | United Nations observance |
| Friday, February 04, 2028 | Rosa Parks Day | Local observance |
| Sunday, February 06, 2028 | International Day of Zero Tolerance for Female Genital Mutilation | United Nations observance |
| Friday, February 11, 2028 | International Day of Women and Girls in Science | United Nations observance |
| Friday, February 11, 2028 | World Day of the Sick | Worldwide observance |
| Saturday, February 12, 2028 | Lincoln's Birthday | State holiday |
| Saturday, February 12, 2028 | Lincoln's Birthday | Local observance |
| Sunday, February 13, 2028 | Maha Shivaratri | Hindu Holiday |
| Sunday, February 13, 2028 | World Radio Day | United Nations observance |
| Sunday, February 13, 2028 | Shrove Tuesday/Mardi Gras | State holiday |
| Sunday, February 13, 2028 | Shrove Tuesday/Mardi Gras | Observance |
| Sunday, February 13, 2028 | Shrove Tuesday/Mardi Gras | Local observance |
| Monday, February 14, 2028 | Ash Wednesday | Christian |
| Monday, February 14, 2028 | Valentine's Day | Observance |
| Monday, February 14, 2028 | Statehood Day in Arizona | Local observance |
| Tuesday, February 15, 2028 | Susan B Anthony's Birthday | Local observance |
| Wednesday, February 16, 2028 | Chinese New Year | Observance |
| Wednesday, February 16, 2028 | Elizabeth Peratrovich Day | Local observance |
| Saturday, February 19, 2028 | Presidents' Day | Federal Holiday |
| Saturday, February 19, 2028 | Daisy Gatson Bates Day | State holiday |
| Sunday, February 20, 2028 | World Day of Social Justice | United Nations observance |
| Monday, February 21, 2028 | International Mother Language Day | United Nations observance |
| Monday, February 28, 2028 | Linus Pauling Day | Local observance |
| Wednesday, March 01, 2028 | Purim | Jewish holiday |
| Wednesday, March 01, 2028 | Zero Discrimination Day | United Nations observance |
| Wednesday, March 01, 2028 | Self-Injury Awareness Day | Worldwide observance |
| Wednesday, March 01, 2028 | St. David's Day | Observance |
| Thursday, March 02, 2028 | Holi | Hindu Holiday |
| Thursday, March 02, 2028 | Texas Independence Day | State holiday |
| Thursday, March 02, 2028 | Read Across America Day | Observance |
| Thursday, March 02, 2028 | Employee Appreciation Day | Observance |
| Friday, March 03, 2028 | World Wildlife Day | United Nations observance |
| Sunday, March 05, 2028 | Casimir Pulaski Day | State holiday |
| Monday, March 06, 2028 | Town Meeting Day Vermont | State holiday |
| Wednesday, March 08, 2028 | International Women's Day | United Nations observance |
| Wednesday, March 08, 2028 | World Kidney Day | Worldwide observance |
| Saturday, March 11, 2028 | Daylight Saving Time starts | Clock change/Daylight Saving Time |
| Thursday, March 16, 2028 | Evacuation Day observed | State holiday |
| Friday, March 17, 2028 | St. Patrick's Day | Observance |
| Friday, March 17, 2028 | Evacuation Day | State holiday |
| Monday, March 20, 2028 | March equinox | Season |
| Monday, March 20, 2028 | International Day of Happiness | United Nations observance |
| Tuesday, March 21, 2028 | International Day for the Elimination of Racial Discrimination | United Nations observance |
| Tuesday, March 21, 2028 | World Poetry Day | United Nations observance |
| Tuesday, March 21, 2028 | International Day of Nowruz | United Nations observance |
| Tuesday, March 21, 2028 | World Down Syndrome Day | United Nations observance |
| Tuesday, March 21, 2028 | International Day of Forests | United Nations observance |
| Wednesday, March 22, 2028 | World Water Day | United Nations observance |
| Thursday, March 23, 2028 | World Meteorological Day | United Nations observance |
| Friday, March 24, 2028 | World Tuberculosis Day | United Nations observance |
| Friday, March 24, 2028 | International Day for the Right to the Truth concerning Gross Human Rights Violations and for the Dignity of Victims | United Nations observance |
| Friday, March 24, 2028 | Earth Hour | Worldwide observance |
| Saturday, March 25, 2028 | Palm Sunday | Christian |
| Saturday, March 25, 2028 | International Day of Remembrance of Slavery Victims and the Transatlantic Slave Trade | United Nations observance |
| Saturday, March 25, 2028 | International Day of Solidarity with Detained and Missing Staff Members | United Nations observance |
| Saturday, March 25, 2028 | Maryland Day | Local observance |
| Sunday, March 26, 2028 | Maryland Day observed | Local observance |
| Sunday, March 26, 2028 | Prince Jonah Kuhio Kalanianaole Day | State holiday |
| Sunday, March 26, 2028 | Seward's Day | State holiday |
| Wednesday, March 29, 2028 | Maundy Thursday | Christian |
| Thursday, March 30, 2028 | Good Friday | State holiday |
| Friday, March 31, 2028 | Holy Saturday | Christian |
| Friday, March 31, 2028 | Passover (first day) | Jewish holiday |
| Friday, March 31, 2028 | César Chávez Day | State holiday |
| Saturday, April 01, 2028 | April Fool's Day | Worldwide observance |
| Saturday, April 01, 2028 | Easter Sunday | Observance, Christian |
| Sunday, April 02, 2028 | World Autism Awareness Day | United Nations observance |
| Sunday, April 02, 2028 | Easter Monday | Christian |
| Sunday, April 02, 2028 | Pascua Florida Day | Local observance |
| Tuesday, April 04, 2028 | United Nations' Mine Awareness Day | United Nations observance |
| Thursday, April 06, 2028 | Orthodox Good Friday | Orthodox |
| Thursday, April 06, 2028 | International Day of Sport for Development and Peace | United Nations observance |
| Thursday, April 06, 2028 | National Tartan Day | Observance |
| Friday, April 07, 2028 | Last Day of Passover | Jewish holiday |
| Friday, April 07, 2028 | Orthodox Holy Saturday | Orthodox |
| Friday, April 07, 2028 | United Nations' World Health Day | United Nations observance |
| Friday, April 07, 2028 | Day of Remembrance of the Victims of the Rwanda Genocide | United Nations observance |
| Saturday, April 08, 2028 | Orthodox Easter | Orthodox |
| Sunday, April 09, 2028 | Orthodox Easter Monday | Orthodox |
| Monday, April 10, 2028 | National Library Workers' Day | Observance |
| Tuesday, April 11, 2028 | Yom HaShoah | Jewish holiday |
| Wednesday, April 12, 2028 | International Day of Human Space Flight | United Nations observance |
| Thursday, April 13, 2028 | Isra and Mi'raj | Muslim |
| Thursday, April 13, 2028 | Friday the 13th | Worldwide observance |
| Thursday, April 13, 2028 | Thomas Jefferson's Birthday | Observance |
| Saturday, April 15, 2028 | Father Damien Day | Local observance |
| Sunday, April 16, 2028 | Emancipation Day | State holiday |
| Sunday, April 16, 2028 | Patriot's Day | State holiday |
| Monday, April 17, 2028 | Tax Day | Observance |
| Tuesday, April 18, 2028 | International Day for Monuments and Sites | Worldwide observance |
| Wednesday, April 19, 2028 | Yom Ha'atzmaut | Jewish holiday |
| Thursday, April 20, 2028 | Chinese Language Day | United Nations observance |
| Thursday, April 20, 2028 | Global Youth Service Day | Worldwide observance |
| Friday, April 21, 2028 | San Jacinto Day | State holiday |
| Saturday, April 22, 2028 | Earth Day | United Nations observance |
| Saturday, April 22, 2028 | Oklahoma Day | Local observance |
| Sunday, April 23, 2028 | World Book and Copyright Day | United Nations observance |
| Sunday, April 23, 2028 | English Language Day | United Nations observance |
| Sunday, April 23, 2028 | Confederate Memorial Day | State holiday |
| Sunday, April 23, 2028 | State Holiday | State holiday |
| Tuesday, April 25, 2028 | World Malaria Day | United Nations observance |
| Tuesday, April 25, 2028 | Administrative Professionals Day | Observance |
| Wednesday, April 26, 2028 | World Intellectual Property Day | United Nations observance |
| Wednesday, April 26, 2028 | International Chernobyl Disaster Remembrance Day | United Nations observance |
| Wednesday, April 26, 2028 | State Holiday | Local observance |
| Wednesday, April 26, 2028 | Take our Daughters and Sons to Work Day | Observance |
| Thursday, April 27, 2028 | Arbor Day | State holiday |
| Friday, April 28, 2028 | World Day for Safety and Health at Work | United Nations observance |
| Saturday, April 29, 2028 | Day of Remembrance for all Victims of Chemical Warfare | United Nations observance |
| Sunday, April 30, 2028 | International Jazz Day | United Nations observance |
| Sunday, April 30, 2028 | State Holiday | State holiday |
| Monday, May 01, 2028 | Law Day | Observance |
| Monday, May 01, 2028 | Loyalty Day | Observance |
| Monday, May 01, 2028 | Lei Day | Local observance |
| Tuesday, May 02, 2028 | World Tuna Day | United Nations observance |
| Wednesday, May 03, 2028 | Lag BaOmer | Jewish holiday |
| Wednesday, May 03, 2028 | World Press Freedom Day | United Nations observance |
| Wednesday, May 03, 2028 | National Day of Prayer | Observance |
| Thursday, May 04, 2028 | Kent State Shootings Remembrance | Local observance |
| Thursday, May 04, 2028 | Rhode Island Independence Day | Local observance |
| Friday, May 05, 2028 | Cinco de Mayo | Observance |
| Friday, May 05, 2028 | National Explosive Ordnance Disposal (EOD) Day | Observance |
| Saturday, May 06, 2028 | National Nurses Day | Observance |
| Monday, May 08, 2028 | Time of Remembrance and Reconciliation for Those Who Lost Their Lives during the Second World War | United Nations observance |
| Monday, May 08, 2028 | World Ovarian Cancer Day | Worldwide observance |
| Monday, May 08, 2028 | Truman Day | State holiday |
| Monday, May 08, 2028 | Primary Election Day West Virginia | State holiday |
| Wednesday, May 10, 2028 | Ascension Day | Christian |
| Wednesday, May 10, 2028 | Confederate Memorial Day | Local observance |
| Wednesday, May 10, 2028 | State Holiday | State holiday |
| Thursday, May 11, 2028 | Military Spouse Appreciation Day | Observance |
| Friday, May 12, 2028 | World Migratory Bird Day | United Nations observance |
| Friday, May 12, 2028 | International Nurses Day | Worldwide observance |
| Saturday, May 13, 2028 | Mother's Day | Observance |
| Monday, May 15, 2028 | International Day of Families | United Nations observance |
| Monday, May 15, 2028 | Peace Officers Memorial Day | Observance |
| Tuesday, May 16, 2028 | Ramadan starts | Muslim |
| Wednesday, May 17, 2028 | World Information Society Day | United Nations observance |
| Thursday, May 18, 2028 | National Defense Transportation Day | Observance |
| Friday, May 19, 2028 | Armed Forces Day | Observance |
| Saturday, May 20, 2028 | Pentecost | Christian |
| Saturday, May 20, 2028 | Shavuot | Jewish holiday |
| Saturday, May 20, 2028 | World Autoimmune Arthritis Day | Worldwide observance |
| Sunday, May 21, 2028 | Whit Monday | Christian |
| Sunday, May 21, 2028 | World Day for Cultural Diversity for Dialogue and Development | United Nations observance |
| Monday, May 22, 2028 | International Day for Biological Diversity | United Nations observance |
| Monday, May 22, 2028 | National Maritime Day | Observance |
| Monday, May 22, 2028 | Harvey Milk Day | Local observance |
| Tuesday, May 23, 2028 | International Day to End Obstetric Fistula | United Nations observance |
| Tuesday, May 23, 2028 | Emergency Medical Services for Children Day | Observance |
| Thursday, May 25, 2028 | African Liberation Day | Worldwide observance |
| Thursday, May 25, 2028 | National Missing Children's Day | Observance |
| Saturday, May 27, 2028 | Trinity Sunday | Christian |
| Sunday, May 28, 2028 | Memorial Day | Federal Holiday |
| Sunday, May 28, 2028 | Jefferson Davis Birthday | Local observance |
| Monday, May 29, 2028 | International Day of United Nations Peacekeepers | United Nations observance |
| Monday, May 29, 2028 | Day of Vesak | United Nations observance |
| Wednesday, May 31, 2028 | Corpus Christi | Christian |
| Wednesday, May 31, 2028 | World No Tobacco Day | United Nations observance |
| Thursday, June 01, 2028 | Global Day of Parents | United Nations observance |
| Thursday, June 01, 2028 | Statehood Day | Local observance |
| Saturday, June 03, 2028 | Jefferson Davis Birthday | Local observance |
| Sunday, June 04, 2028 | International Day of Innocent Children Victims of Aggression | United Nations observance |
| Sunday, June 04, 2028 | Jefferson Davis Birthday | State holiday |
| Monday, June 05, 2028 | World Environment Day | United Nations observance |
| Tuesday, June 06, 2028 | D-Day | Observance |
| Thursday, June 08, 2028 | World Oceans Day | United Nations observance |
| Saturday, June 10, 2028 | Lailat al-Qadr | Muslim |
| Sunday, June 11, 2028 | Kamehameha Day | State holiday |
| Monday, June 12, 2028 | World Day Against Child Labour | United Nations observance |
| Tuesday, June 13, 2028 | International Albinism Awareness Day | United Nations observance |
| Wednesday, June 14, 2028 | World Blood Donor Day | United Nations observance |
| Wednesday, June 14, 2028 | Army Birthday | Observance |
| Wednesday, June 14, 2028 | Flag Day | Observance |
| Thursday, June 15, 2028 | Eid al-Fitr | Muslim |
| Thursday, June 15, 2028 | World Elder Abuse Awareness Day | United Nations observance |
| Friday, June 16, 2028 | International Day of Family Remittances | United Nations observance |
| Saturday, June 17, 2028 | World Day to Combat Desertification and Drought | United Nations observance |
| Saturday, June 17, 2028 | Father's Day | Observance |
| Saturday, June 17, 2028 | Bunker Hill Day | State holiday |
| Sunday, June 18, 2028 | Bunker Hill Day observed | State holiday |
| Monday, June 19, 2028 | International Day for the Elimination of Sexual Violence in Conflict | United Nations observance |
| Monday, June 19, 2028 | Juneteenth | Local observance |
| Monday, June 19, 2028 | Emancipation Day | State holiday |
| Tuesday, June 20, 2028 | World Refugee Day | United Nations observance |
| Tuesday, June 20, 2028 | West Virginia Day | State holiday |
| Tuesday, June 20, 2028 | American Eagle Day | Observance |
| Wednesday, June 21, 2028 | June Solstice | Season |
| Wednesday, June 21, 2028 | International Day of Yoga | United Nations observance |
| Friday, June 23, 2028 | Public Service Day | United Nations observance |
| Friday, June 23, 2028 | International Widows' Day | United Nations observance |
| Sunday, June 25, 2028 | Day of the Seafarer | United Nations observance |
| Monday, June 26, 2028 | International Day Against Drug Abuse and Illicit Trafficking | United Nations observance |
| Monday, June 26, 2028 | International Day in Support of Victims of Torture | United Nations observance |
| Friday, June 30, 2028 | International Asteroid Day | United Nations observance |
| Tuesday, July 04, 2028 | Independence Day | Federal Holiday |
| Friday, July 07, 2028 | International Day of Cooperatives | United Nations observance |
| Tuesday, July 11, 2028 | World Population Day | United Nations observance |
| Thursday, July 13, 2028 | Friday the 13th | Worldwide observance |
| Saturday, July 15, 2028 | World Youth Skills Day | United Nations observance |
| Tuesday, July 18, 2028 | Nelson Mandela Day | United Nations observance |
| Saturday, July 22, 2028 | Tisha B'Av | Jewish holiday |
| Saturday, July 22, 2028 | Parents' Day | Observance |
| Monday, July 24, 2028 | Pioneer Day | State holiday |
| Thursday, July 27, 2028 | National Korean War Veterans Armistice Day | Observance |
| Friday, July 28, 2028 | World Hepatitis Day | United Nations observance |
| Sunday, July 30, 2028 | International Day of Friendship | United Nations observance |
| Sunday, July 30, 2028 | World Day against Trafficking in Persons | United Nations observance |
| Tuesday, August 01, 2028 | Colorado Day | Local observance |
| Friday, August 04, 2028 | Coast Guard Birthday | Observance |
| Monday, August 07, 2028 | Purple Heart Day | Observance |
| Wednesday, August 09, 2028 | International Day of the World's Indigenous People | United Nations observance |
| Saturday, August 12, 2028 | International Youth Day | United Nations observance |
| Sunday, August 13, 2028 | Victory Day | State holiday |
| Tuesday, August 15, 2028 | Assumption of Mary | Christian |
| Wednesday, August 16, 2028 | Bennington Battle Day | State holiday |
| Thursday, August 17, 2028 | Statehood Day in Hawaii | State holiday |
| Saturday, August 19, 2028 | World Humanitarian Day | United Nations observance |
| Saturday, August 19, 2028 | National Aviation Day | Observance |
| Monday, August 21, 2028 | Senior Citizens Day | Observance |
| Tuesday, August 22, 2028 | Eid al-Adha | Muslim |
| Wednesday, August 23, 2028 | International Day for the Remembrance of the Slave Trade and its Abolition | United Nations observance |
| Friday, August 25, 2028 | Raksha Bandhan | Hindu Holiday |
| Saturday, August 26, 2028 | Women's Equality Day | Observance |
| Sunday, August 27, 2028 | Lyndon Baines Johnson Day | State holiday |
| Tuesday, August 29, 2028 | International Day against Nuclear Tests | United Nations observance |
| Wednesday, August 30, 2028 | International Day of the Victims of Enforced Disappearances | United Nations observance |
| Thursday, August 31, 2028 | International Overdose Awareness Day | Worldwide observance |
| Saturday, September 02, 2028 | Janmashtami | Hindu Holiday |
| Sunday, September 03, 2028 | Labor Day | Federal Holiday |
| Monday, September 04, 2028 | World Sexual Health Day | Worldwide observance |
| Tuesday, September 05, 2028 | International Day of Charity | United Nations observance |
| Friday, September 08, 2028 | International Literacy Day | United Nations observance |
| Friday, September 08, 2028 | Carl Garner Federal Lands Cleanup Day | Observance |
| Saturday, September 09, 2028 | National Grandparents Day | Observance |
| Saturday, September 09, 2028 | California Admission Day | Local observance |
| Sunday, September 10, 2028 | Rosh Hashana | State holiday |
| Sunday, September 10, 2028 | Rosh Hashana | Jewish holiday |
| Sunday, September 10, 2028 | World Suicide Prevention Day | United Nations observance |
| Monday, September 11, 2028 | Patriot Day | Observance |
| Tuesday, September 12, 2028 | Ganesh Chaturthi | Hindu Holiday |
| Tuesday, September 12, 2028 | Muharram | Muslim |
| Tuesday, September 12, 2028 | International Day for South-South Cooperation | United Nations observance |
| Wednesday, September 13, 2028 | International Programmers' Day | Worldwide observance |
| Friday, September 15, 2028 | International Day of Democracy | United Nations observance |
| Friday, September 15, 2028 | National CleanUp Day | Observance |
| Saturday, September 16, 2028 | International Day for the Preservation of the Ozone Layer | United Nations observance |
| Sunday, September 17, 2028 | Constitution Day and Citizenship Day | Observance |
| Monday, September 18, 2028 | Air Force Birthday | Observance |
| Tuesday, September 19, 2028 | Yom Kippur | State holiday |
| Tuesday, September 19, 2028 | Yom Kippur | Jewish holiday |
| Thursday, September 21, 2028 | International Day of Peace | United Nations observance |
| Thursday, September 21, 2028 | National POW/MIA Recognition Day | Observance |
| Friday, September 22, 2028 | Emancipation Day | Local observance |
| Saturday, September 23, 2028 | September equinox | Season |
| Saturday, September 23, 2028 | International Celebrate Bisexuality Day | Worldwide observance |
| Sunday, September 24, 2028 | First Day of Sukkot | Jewish holiday |
| Tuesday, September 26, 2028 | International Day for the Total Elimination of Nuclear Weapons | United Nations observance |
| Wednesday, September 27, 2028 | World Maritime Day | United Nations observance |
| Wednesday, September 27, 2028 | World Tourism Day | United Nations observance |
| Thursday, September 28, 2028 | World Rabies Day | United Nations observance |
| Thursday, September 28, 2028 | Native Americans' Day | Local observance |
| Friday, September 29, 2028 | World Heart Day | Worldwide observance |
| Saturday, September 30, 2028 | Last Day of Sukkot | Jewish holiday |
| Saturday, September 30, 2028 | Gold Star Mother's Day | Observance |
| Sunday, October 01, 2028 | Shmini Atzeret | Jewish holiday |
| Sunday, October 01, 2028 | International Day of Older Persons | United Nations observance |
| Sunday, October 01, 2028 | World Habitat Day | United Nations observance |
| Sunday, October 01, 2028 | World Vegetarian Day | Worldwide observance |
| Sunday, October 01, 2028 | Child Health Day | Observance |
| Monday, October 02, 2028 | Simchat Torah | Jewish holiday |
| Monday, October 02, 2028 | International Day of Non-Violence | United Nations observance |
| Tuesday, October 03, 2028 | World Cerebral Palsy Day | Worldwide observance |
| Wednesday, October 04, 2028 | Feast of St Francis of Assisi | Christian |
| Thursday, October 05, 2028 | World Teachers' Day | United Nations observance |
| Sunday, October 08, 2028 | Columbus Day | Federal Holiday |
| Sunday, October 08, 2028 | Columbus Day | Local observance |
| Sunday, October 08, 2028 | Native Americans' Day | Local observance |
| Sunday, October 08, 2028 | Indigenous People's Day | Local observance |
| Sunday, October 08, 2028 | Indigenous People's Day | Local observance |
| Monday, October 09, 2028 | Navaratri | Hindu Holiday |
| Monday, October 09, 2028 | World Post Day | United Nations observance |
| Monday, October 09, 2028 | Leif Erikson Day | Observance |
| Tuesday, October 10, 2028 | International Day for Natural Disaster Reduction | United Nations observance |
| Tuesday, October 10, 2028 | World Mental Health Day | United Nations observance |
| Wednesday, October 11, 2028 | International Day of the Girl Child | United Nations observance |
| Wednesday, October 11, 2028 | World Sight Day | Worldwide observance |
| Friday, October 13, 2028 | Navy Birthday | Observance |
| Sunday, October 15, 2028 | International Day of Rural Women | United Nations observance |
| Sunday, October 15, 2028 | White Cane Safety Day | Observance |
| Monday, October 16, 2028 | World Food Day | United Nations observance |
| Monday, October 16, 2028 | Boss's Day | Observance |
| Tuesday, October 17, 2028 | International Day for the Eradication of Poverty | United Nations observance |
| Wednesday, October 18, 2028 | Dussehra | Hindu Holiday |
| Wednesday, October 18, 2028 | Alaska Day | State holiday |
| Friday, October 20, 2028 | Sweetest Day | Observance |
| Tuesday, October 24, 2028 | United Nations Day | United Nations observance |
| Tuesday, October 24, 2028 | World Development Information Day | United Nations observance |
| Thursday, October 26, 2028 | Nevada Day | State holiday |
| Friday, October 27, 2028 | World Day for Audiovisual Heritage | United Nations observance |
| Sunday, October 29, 2028 | World Stroke Day | Worldwide observance |
| Tuesday, October 31, 2028 | World Cities Day | United Nations observance |
| Tuesday, October 31, 2028 | Halloween | Observance |
| Wednesday, November 01, 2028 | All Saints' Day | Christian |
| Wednesday, November 01, 2028 | World Vegan Day | Worldwide observance |
| Thursday, November 02, 2028 | All Souls' Day | Christian |
| Thursday, November 02, 2028 | International Day to End Impunity for Crimes against Journalists | United Nations observance |
| Saturday, November 04, 2028 | Daylight Saving Time ends | Clock change/Daylight Saving Time |
| Monday, November 06, 2028 | International Day for Preventing the Exploitation of the Environment in War and Armed Conflict | United Nations observance |
| Monday, November 06, 2028 | Election Day | State holiday |
| Monday, November 06, 2028 | Diwali/Deepavali | Observance |
| Wednesday, November 08, 2028 | Return Day Delaware | State holiday |
| Friday, November 10, 2028 | World Science Day for Peace and Development | United Nations observance |
| Friday, November 10, 2028 | Marine Corps Birthday | Observance |
| Saturday, November 11, 2028 | Veterans Day | Federal Holiday |
| Sunday, November 12, 2028 | World Pneumonia Day | Worldwide observance |
| Sunday, November 12, 2028 | Veterans Day observed | Federal Holiday |
| Tuesday, November 14, 2028 | World Diabetes Day | United Nations observance |
| Wednesday, November 15, 2028 | World Philosophy Day | United Nations observance |
| Thursday, November 16, 2028 | International Day for Tolerance | United Nations observance |
| Friday, November 17, 2028 | World Prematurity Day | Worldwide observance |
| Saturday, November 18, 2028 | World Day of Remembrance for Road Traffic Victims | United Nations observance |
| Sunday, November 19, 2028 | World Toilet Day | United Nations observance |
| Sunday, November 19, 2028 | International Men's Day | Worldwide observance |
| Monday, November 20, 2028 | Universal Children's Day | United Nations observance |
| Monday, November 20, 2028 | Africa Industrialization Day | United Nations observance |
| Tuesday, November 21, 2028 | The Prophet's Birthday | Muslim |
| Tuesday, November 21, 2028 | World Television Day | United Nations observance |
| Wednesday, November 22, 2028 | Thanksgiving Day | Federal Holiday |
| Thursday, November 23, 2028 | State Holiday | State holiday |
| Thursday, November 23, 2028 | Presidents' Day | State holiday |
| Thursday, November 23, 2028 | Lincoln's Birthday/Lincoln's Day | State holiday |
| Thursday, November 23, 2028 | Black Friday | State holiday |
| Thursday, November 23, 2028 | American Indian Heritage Day | State holiday |
| Saturday, November 25, 2028 | International Day for the Elimination of Violence against Women | United Nations observance |
| Sunday, November 26, 2028 | Cyber Monday | Observance |
| Wednesday, November 29, 2028 | International Day of Solidarity with the Palestinian People | United Nations observance |
| Friday, December 01, 2028 | World AIDS Day | United Nations observance |
| Saturday, December 02, 2028 | First Sunday of Advent | Christian |
| Saturday, December 02, 2028 | International Day for the Abolition of Slavery | United Nations observance |
| Sunday, December 03, 2028 | Chanukah/Hanukkah (first day) | Jewish holiday |
| Sunday, December 03, 2028 | International Day of Persons with Disabilities | United Nations observance |
| Tuesday, December 05, 2028 | International Volunteer Day for Economic and Social Development | United Nations observance |
| Tuesday, December 05, 2028 | World Soil Day | United Nations observance |
| Wednesday, December 06, 2028 | St Nicholas' Day | Observance |
| Thursday, December 07, 2028 | International Civil Aviation Day | United Nations observance |
| Thursday, December 07, 2028 | Pearl Harbor Remembrance Day | Observance |
| Friday, December 08, 2028 | Feast of the Immaculate Conception | Christian |
| Saturday, December 09, 2028 | International Anti-Corruption Day | United Nations observance |
| Saturday, December 09, 2028 | World Genocide Commemoration Day | United Nations observance |
| Sunday, December 10, 2028 | Last Day of Chanukah | Jewish holiday |
| Sunday, December 10, 2028 | Human Rights Day | United Nations observance |
| Monday, December 11, 2028 | International Mountain Day | United Nations observance |
| Tuesday, December 12, 2028 | Feast of Our Lady of Guadalupe | Observance |
| Wednesday, December 13, 2028 | National Guard Birthday | Observance |
| Sunday, December 17, 2028 | Pan American Aviation Day | Observance |
| Sunday, December 17, 2028 | Wright Brothers Day | Observance |
| Monday, December 18, 2028 | International Migrants Day | United Nations observance |
| Monday, December 18, 2028 | Arabic Language Day | United Nations observance |
| Wednesday, December 20, 2028 | International Human Solidarity Day | United Nations observance |
| Thursday, December 21, 2028 | December Solstice | Season |
| Sunday, December 24, 2028 | Christmas Eve | State holiday |
| Sunday, December 24, 2028 | Christmas Eve | Observance, Christian |
| Sunday, December 24, 2028 | Washington's Birthday | State holiday |
| Monday, December 25, 2028 | Christmas Day | Federal Holiday |
| Tuesday, December 26, 2028 | Kwanzaa (until Jan 1) | Observance |
| Tuesday, December 26, 2028 | Day After Christmas Day | State holiday |
| Sunday, December 31, 2028 | New Year's Eve | State holiday |
| Sunday, December 31, 2028 | New Year's Eve | Observance |
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2027
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2029
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