| Jan 3 | Asarah B'Tevet |
| Jan 4 | World Braille Day |
| Jan 6 | Epiphany |
| Jan 24 | International Day of Education |
| Jan 27 | World Holocaust Victims Remembrance Day |
| Feb 4 | International Day of Human Fraternity |
| Feb 6 | Tu Bishvat/Tu B'Shevat |
| Feb 6 | International Day of Zero Tolerance for Female Genital Mutilation |
| Feb 10 | World Pulses Day |
| Feb 11 | International Day of Women and Girls in Science |
| Feb 13 | World Radio Day |
| Feb 18 | Isra and Mi'raj |
| Feb 20 | World Day of Social Justice |
| Feb 21 | International Mother Language Day |
| Feb 21 | Shrove Tuesday/Mardi Gras |
| Feb 22 | Ash Wednesday |
| Mar 1 | Zero Discrimination Day |
| Mar 1 | St. David's Day |
| Mar 3 | World Wildlife Day |
| Mar 7 | Purim |
| Mar 8 | International Women's Day |
| Mar 10 | International Day of Women Judges |
| Mar 17 | St. Patrick's Day |
| Mar 20 | French Language Day |
| Mar 20 | International Day of Happiness |
| Mar 21 | World Day to Eliminate Racial Discrimination |
| Mar 21 | World Poetry Day |
| Mar 21 | International Day of Nowruz |
| Mar 21 | World Down Syndrome Day |
| Mar 21 | International Day of Forests |
| Mar 22 | World Water Day |
| Mar 23 | First Day of Ramadan |
| Mar 23 | World Meteorological Day |
| Mar 24 | World Tuberculosis Day |
| Mar 24 | World Day for Truth concerning Human Rights Violations |
| Mar 25 | Day to Remember Slavery Victims and Transatlantic Slave Trade |
| Mar 25 | World Solidarity Day for Detained and Missing Workers |
| Apr 2 | Palm Sunday |
| Apr 2 | World Autism Awareness Day |
| Apr 4 | Mine Awareness Day |
| Apr 5 | Passover Eve |
| Apr 5 | International Day of Conscience |
| Apr 6 | Maundy Thursday |
| Apr 6 | Passover (first day) |
| Apr 6 | International Sport Day |
| Apr 7 | United Nations' World Health Day |
| Apr 7 | Day to Remember Rwanda Genocide Victims |
| Apr 7 | Good Friday (Many regions) |
| Apr 8 | Holy Saturday |
| Apr 9 | Easter Sunday |
| Apr 10 | Easter Monday |
| Apr 12 | International Day of Human Space Flight |
| Apr 13 | Last Day of Passover |
| Apr 14 | World Chagas Disease Day |
| Apr 17 | Lailat al-Qadr |
| Apr 18 | Yom HaShoah |
| Apr 20 | Chinese Language Day |
| Apr 21 | Eid al-Fitr |
| Apr 21 | World Creativity and Innovation Day |
| Apr 22 | Earth Day |
| Apr 23 | World Book and Copyright Day |
| Apr 23 | World Spanish Language Day |
| Apr 23 | English Language Day |
| Apr 24 | International Day of Multilateralism and Diplomacy for Peace |
| Apr 25 | International Delegate's Day |
| Apr 25 | World Malaria Day |
| Apr 26 | Yom Ha'atzmaut |
| Apr 26 | World Intellectual Property Day |
| Apr 26 | International Chernobyl Disaster Remembrance Day |
| Apr 27 | International Girls in ICT Day |
| Apr 28 | World Day for Safety and Health at Work |
| Apr 30 | International Jazz Day |
| May 2 | World Tuna Day |
| May 3 | World Press Freedom Day |
| May 5 | Vesak Day |
| May 5 | World Portuguese Language Day |
| May 8 | Time to Remember Lost Lives From World War II |
| May 9 | Lag BaOmer |
| May 10 | International Day of Argania |
| May 13 | World Migratory Bird Day |
| May 15 | International Day of Families |
| May 16 | International Day of Living Together in Peace |
| May 16 | International Day of Light |
| May 17 | World Telecommunication and Information Society Day |
| May 18 | Ascension Day |
| May 20 | World Bee Day |
| May 21 | World Day for Cultural Diversity |
| May 21 | International Tea Day |
| May 22 | World Biological Diversity Day |
| May 23 | International Day to End Obstetric Fistula |
| May 26 | Shavuot |
| May 28 | Pentecost |
| May 29 | Whit Monday |
| May 29 | International Day of United Nations Peacekeepers |
| May 31 | World No Tobacco Day |
| Jun 1 | Global Day of Parents |
| Jun 3 | World Bicycle Day |
| Jun 4 | Trinity Sunday |
| Jun 4 | World Day for Child Victims of Aggression |
| Jun 5 | World Environment Day |
| Jun 5 | International Day for the Fight against Illegal, Unreported and Unregulated Fishing |
| Jun 6 | Day of the Russian Language |
| Jun 7 | World Food Safety Day |
| Jun 8 | Corpus Christi |
| Jun 8 | World Oceans Day |
| Jun 12 | World Day Against Child Labour |
| Jun 13 | International Albinism Awareness Day |
| Jun 14 | World Blood Donor Day |
| Jun 15 | World Elder Abuse Awareness Day |
| Jun 16 | International Day of Family Remittances |
| Jun 17 | World Day to Combat Desertification |
| Jun 18 | Sustainable Gastronomy Day |
| Jun 19 | International Day for the Elimination of Sexual Violence in Conflict |
| Jun 20 | World Refugee Day |
| Jun 21 | International Day of Yoga |
| Jun 21 | International Day of the Celebration of the Solstice |
| Jun 23 | Public Service Day |
| Jun 23 | International Widows' Day |
| Jun 25 | Day of the Seafarer |
| Jun 26 | World Day against Drug Abuse and Trafficking |
| Jun 26 | World Day to Support Torture Victims |
| Jun 27 | Micro-, Small and Medium-sized Enterprises Day |
| Jun 28 | Eid al-Adha |
| Jun 29 | International Day of the Tropics |
| Jun 30 | International Asteroid Day |
| Jun 30 | International Day of Parliamentarism |
| Jul 1 | International Day of Cooperatives |
| Jul 11 | World Population Day |
| Jul 15 | World Youth Skills Day |
| Jul 18 | Nelson Mandela Day |
| Jul 19 | Muharram |
| Jul 20 | World Chess Day |
| Jul 25 | World Drowning Prevention Day |
| Jul 27 | Tisha B'Av |
| Jul 28 | Ashura |
| Jul 28 | World Hepatitis Day |
| Jul 30 | World Friendship Day |
| Jul 30 | World Day Against Trafficking in Persons |
| Aug 9 | World Indigenous Peoples’ Day |
| Aug 12 | International Youth Day |
| Aug 15 | Assumption of Mary |
| Aug 19 | World Humanitarian Day |
| Aug 21 | International Day of Remembrance of and Tribute to the Victims of Terrorism |
| Aug 22 | International Day Commemorating the Victims of Acts of Violence Based on Religion or Belief |
| Aug 23 | World Day for Slave Trade Abolition |
| Aug 29 | International Day against Nuclear Tests |
| Aug 30 | World Day of Victims of Enforced Disappearance |
| Aug 31 | International Day for People of African Descent |
| Sep 5 | International Day of Charity |
| Sep 7 | International Day of Clean Air for Blue Skies |
| Sep 8 | International Literacy Day |
| Sep 9 | International Day to Protect Education from Attack |
| Sep 12 | International South-South Cooperation Day |
| Sep 15 | International Day of Democracy |
| Sep 16 | Rosh Hashana |
| Sep 16 | World Ozone Layer Day |
| Sep 17 | World Patient Safety Day |
| Sep 18 | International Equal Pay Day |
| Sep 21 | International Day of Peace |
| Sep 23 | International Day of Sign Languages |
| Sep 25 | Yom Kippur |
| Sep 26 | World Day to Eliminate Nuclear Weapons |
| Sep 27 | World Tourism Day |
| Sep 28 | The Prophet's Birthday |
| Sep 28 | World Maritime Day |
| Sep 28 | International Day for Universal Access to Information |
| Sep 29 | International Day of Awareness of Food Loss and Waste |
| Sep 30 | First Day of Sukkot |
| Sep 30 | International Translation Day |
| Oct 1 | International Day of Older Persons |
| Oct 2 | World Habitat Day |
| Oct 2 | International Day of Non-Violence |
| Oct 4 | Feast of St Francis of Assisi |
| Oct 5 | World Teachers' Day |
| Oct 6 | Last Day of Sukkot |
| Oct 7 | Shmini Atzeret |
| Oct 8 | Simchat Torah |
| Oct 9 | World Post Day |
| Oct 10 | World Mental Health Day |
| Oct 11 | World Day for Natural Disaster Reduction |
| Oct 11 | International Day of the Girl Child |
| Oct 14 | World Migratory Bird Day |
| Oct 15 | International Day of Rural Women |
| Oct 16 | World Food Day |
| Oct 17 | World Day for Poverty Eradication |
| Oct 24 | United Nations Day |
| Oct 24 | World Development Information Day |
| Oct 27 | World Day for Audiovisual Heritage |
| Oct 31 | World Cities Day |
| Nov 1 | All Saints' Day |
| Nov 2 | All Souls' Day |
| Nov 2 | International Day to End Impunity |
| Nov 5 | World Tsunami Awareness Day |
| Nov 6 | World Day to Protect the Environment in War |
| Nov 10 | World Science Day |
| Nov 14 | World Diabetes Day |
| Nov 16 | International Day for Tolerance |
| Nov 16 | World Philosophy Day |
| Nov 19 | World Day for Road Traffic Victims |
| Nov 19 | World Toilet Day |
| Nov 20 | Universal Children's Day |
| Nov 20 | Africa Industrialization Day |
| Nov 21 | World Television Day |
| Nov 25 | World Day to Eliminate Violence on Women |
| Nov 29 | World Solidarity Day with Palestinian People |
| Nov 30 | Day to Remember Chemical Warfare Victims |
| Dec 1 | World AIDS Day |
| Dec 2 | World Day for Slavery Abolition |
| Dec 3 | First Sunday of Advent |
| Dec 3 | World Day for Persons with Disabilities |
| Dec 4 | International Day of Banks |
| Dec 5 | International Volunteer Day |
| Dec 5 | World Soil Day |
| Dec 7 | International Civil Aviation Day |
| Dec 8 | Feast of the Immaculate Conception |
| Dec 8 | Chanukah/Hanukkah (first day) |
| Dec 9 | International Anti-Corruption Day |
| Dec 9 | World Genocide Commemoration Day |
| Dec 10 | Human Rights Day |
| Dec 11 | International Mountain Day |
| Dec 12 | International Day of Neutrality |
| Dec 12 | International Universal Health Coverage Day |
| Dec 12 | Feast of Our Lady of Guadalupe |
| Dec 15 | Last Day of Chanukah |
| Dec 18 | International Migrants Day |
| Dec 18 | Arabic Language Day |
| Dec 20 | International Human Solidarity Day |
| Dec 22 | Asarah B'Tevet |
| Dec 24 | Christmas Eve |
| Dec 25 | Christmas Day (All) |
| Dec 25 | Christmas Day |
| Dec 27 | International Day of Epidemic Preparedness |
