Annual Days and Weeks
| 27 January | International Day of Commemoration in Memory of the Victims of the Holocaust |
| 21 February | International Mother Language Day |
| 8 March | United Nations Day for Women's Rights and International Peace |
| 21 March | International Day for the Elimination of Racial Discrimination |
| Beginning 21 March | Week of Solidarity with the peoples struggling against Racism and Racial Discrimination |
| 22 March | World Day for Water |
| 23 March | World Meteorological Day |
| 7 April | World Health Day |
| 23 April | World Book and Copyright Day |
| 3 May | World Press Freedom Day |
| 15 May | International Day of Families |
| 17 May | World Telecommunication Day |
| 21 May | World Day for Cultural Diversity for Dialogue and Development |
| 22 May | International Day for Biological Diversity |
| Beginning 25 May | Week of Solidarity with the peoples of Non-Self-Governing Territories |
| 31 May | World No-Tobacco Day |
| 4 June | International Day of Innocent Children Victims of Aggression |
| 5 June | World Environment Day |
| 17 June | World Day to Combat Desertification and Drought |
| 20 June | World Refugee Day |
| 23 June | United Nations Public Service Day |
| 26 June | International Day against Drug Abuse and Illicit Trafficking |
| 26 June | International Day in Support of Victims of Torture |
| First Saturday of July | International Day of Cooperatives |
| 11 July | World Population Day |
| 9 August | International Day of the World's Indigenous People |
| 12 August | International Youth Day |
| 23 August | International Day for the Remembrance of the Slave Trade and Its Abolition |
| 8 September | International Literacy Day |
| 16 September | International Day for the Preservation of the Ozone Layer |
| 21 September | International Day of Peace |
| Last Week in September | World Maritime Day |
| 1 October | International Day of Older Persons |
| 4-10 October | World Space Week |
| 5 October | World Teachers' Day |
| 7 October | World Habitat Day (first Monday of October) |
| 9 October | International Day for Natural Disaster Reduction (second Wednesday of October) |
| 9 October | World Post Day |
| 10 October | World Mental Health Day |
| 16 October | World Food Day |
| 17 October | International Day for the Eradication of Poverty |
| 24 October | United Nations Day |
| 24 October | World Development Information Day |
| 24-30 October | Disarmament Week |
| 6 November | International Day for Preventing the Exploitation of the Environment in War and Armed Conflict |
| 16 November | International Day for Tolerance |
| 20 November | Africa Industrialization Day |
| 20 November | Universal Children's Day |
| 21 November | World Television Day |
| 25 November | International Day for the Elimination of Violence against Women |
| 29 November | International Day of Solidarity with the Palestinian People |
| 1 December | World AIDS Day |
| 2 December | International Day for the Abolition of Slavery |
| 3 December | International Day of Disabled Persons |
| 5 December | International Volunteer Day for Economic and Social Development |
| 7 December | International Civil Aviation Day |
| 10 December | Human Rights Day |
| 11 December | International Mountain Day |
| 18 December | International Migrants Day |
| 19 December | United Nations Day for South-South Cooperation |