| Date | What
|
| January 27 | International Day in Commemoration to Honour Holocaust Victims
|
| Feb 20 | World Day of Social Justice
|
| Feb 21 | International Mother Language Day (UNESCO)
|
| March 8 | International Women's Day
|
| March 21 | International Day for the Elimination of Racial Discrimination
|
| March 21 | World Poetry Day (UNESCO)
|
| March 22 | World Day for Water
|
| March 23 | World Meteorological Day (WMO)
|
| March 24 | World Tuberculosis Day (WHO)
|
| March 25 | International Day of Remembrance of the Victims of Slavery and the Transatlantic Slave Trade
|
| Apr 02 | World Autism Awareness Day
|
| Apr 04 | International Day for Mine Awareness and Assistance in Mine Action
|
| Apr 07 | World Health Day (WHO)
|
| Apr 22 | Earth Day
|
| Apr 23 | World Book and Copyright Day (UNESCO)
|
| Apr 26 | International Day of Chernobyl
|
| May 3 | World Press Freedom Day (UNESCO)
|
| May 3 | Sun Day (UNEP)
|
| May 15 | International Day of Families
|
| May 17 | World Telecommunication and Information Society Day (ITU)
|
| May 21 | World Day for Cultural Diversity for Dialogue and Development (UNESCO)
|
| May 22 | International Day for Biological Diversity
|
| May 25 | Africa Day
|
| May 29 | International Day of UN Peacekeepers
|
| May 31 | World No-Tobacco Day (WHO)
|
| June 4 | International day of Innocent Children Victims of Aggression
|
| June 5 | World Environment Day (UNEP)
|
| June 17 | World Day to Combat Desertification and Drought
|
| June 20 | World Refugee Day
|
| June 23 | United Nations Public Service Day
|
| June 26 | International Day Against Drug Abuse and Illicit Trafficking
|
| June 26 | United Nations International Day in Support of Victims of Torture
|
| First Saturday in July | International Day of Cooperatives
|
| July 11 | World Population Day (UNFPA)
|
| Aug 06 | Hiroshima Day
|
| Aug 09 | International Day of the World's Indigenous People
|
| Aug 12 | International Youth Day
|
| Aug 23 | International Day for the Remembrance of the Slave Trade and its Abolition (UNESCO)
|
| Sep 08 | International Literacy Day (UNESCO)
|
| Sep 11 | UN Staff Day
|
| Sep 15 | International Day of Democracy
|
| Sep 16 | International Day for the Preservation of the Ozone Layer
|
| Sep 21 | International Day of Peace
|
| First Monday in October | World Habitat Day
|
| October 5 | World Teacher's Day (UNESCO)
|
| October 9 | World Post Day (UPU)
|
| October 10 | World Mental Health Day
|
| Second Wednesday in October | International Day for Natural Disaster Reduction
|
| October 14 | International Standards Day
|
| October 15 | International Day of Rural Women
|
| October 16 | World Food Day (FAO)
|
| October 17 | International Day for the Eradication of Poverty
|
| October 24 | UN Day
|
| October 24 | World Development Information Day
|
| October 27 | World Day for Audiovisual Heritage (UNESCO)
|
| October 31 | UNICEF Day
|
| Nov 06 | International Day for Preventing the Exploitation of the Environment in War and Armed Conflict
|
| Nov 10 | World Science Day for Peace and Development (UNESCO)
|
| Nov 14 | World Diabetes Day
|
| Nov 16 | International Day of Tolerance (UNESCO)
|
| Third Sunday in November | World Day of Remembrance for Road Traffic Victims
|
| Third Thursday in November | World Philosophy Day (UNESCO)
|
| Nov 20 | Africa Industrialization Day
|
| Nov 20 | Universal Children's Day (UNICEF)
|
| Nov 21 | World Television Day
|
| Nov 25 | International Day for the Elimination of Violence Against Women
|
| Nov 29 | International Day of Solidarity with the Palestinian People
|
| December 1 | World AIDS Day (WHO)
|
| December 2 | International Day for the Abolition of Slavery
|
| December 3 | International Day of Persons with Disabilities
|
| December 5 | International Volunteer Day for Economic and Social Development
|
| December 7 | International Civil Aviation Day (ICAO)
|
| December 9 | International Anti-Corruption Day
|
| December 10 | Human Rights Day
|
| December 11 | International Mountain Day
|
| December 18 | International Migrants Day
|
| December 19 | United Nations Day for South-South Cooperation
|
| December 20 | International Human Solidarity Day
|
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