International Days

These are the international days currently observed by the United Nations. The United Nations designates specific days, weeks, years and decades as occasions to mark particular events or topics in order to promote, through awareness and action, the objectives of the Organization. Usually, it is one or more Member States that propose these observances and the General Assembly establishes them with a resolution. On occasion, these celebrations are declared by the specialized agencies of the United Nations, such as UNESCO, UNICEF, FAO, etc., when they concern issues that fall within the scope of their competencies. Some of them may be later adopted by the General Assembly.

January   February   March   April   May   June   July   August   September   October   November   December


27 January

International Day of Commemoration in Memory of the Victims of the Holocaust


4 February

World Cancer Day

6 February

International Day of Zero Tolerance to Female Genital Mutilation

11 February

International Day of Women and Girls in Science

13 February

World Radio Day

20 February

World Day of Social Justice 

21 February

International Mother Language Day


1 March

Zero Discrimination Day  [UNAIDS]

3 March

World Wildlife Day

8 March

International Women’s Day

20 March

International Day of Happiness

20 March

French Language Day (French)

21 March

International Day for the Elimination of Racial Discrimination

21 March

World Poetry Day

21 March

International Day of Nowruz

21 March

World Down Syndrome Day

21 March

International Day of Forests

22 March

World Water Day

23 March

World Meteorological Day  [WMO]

24 March

World Tuberculosis Day  [WHO]

24 March

International Day for the Right to the Truth concerning Gross Human Rights Violations and for the Dignity of Victims

25 March

International Day of Remembrance of the Victims of Slavery and the Transatlantic Slave Trade

25 March

International Day of Solidarity with Detained and Missing Staff Members


2 April

World Autism Awareness Day

4 April

International Day for Mine Awareness and Assistance in Mine Action

6 April

International Day of Sport for Development and Peace

7 April

International Day of Reflection on the Genocide in Rwanda

7 April

World Health Day  [WHO]

12 April

International Day of Human Space Flight

20 April

Chinese Language Day (Chinese)

21 April

World Creativity and Innovation Day

22 April

International Mother Earth Day

23 April

World Book and Copyright Day

23 April

English Language Day

23 April

Spanish Language Day (Spanish)

25 April

World Malaria Day [WHO]

26 April

International Chernobyl Disaster Remembrance Day

26 April

World Intellectual Property Day [WIPO]

28 April

World Day for Safety and Health at Work

30 April

International Jazz Day

30 April

“Vesak”, the Day of the Full Moon


2 May

World Tuna Day

3 May

World Press Freedom Day

8-9 May

Time of Remembrance and Reconciliation for Those Who Lost Their Lives During the Second World War

12 May (second Saturday of May)

World Migratory Bird Day  [UNEP]

15 May

International Day of Families

16 May

International Day of Living Together in Peace

16 May

International Day of Light [UNESCO]

17 May

World Telecommunication and Information Society Day

20 May

World Bee Day

21 May

World Day for Cultural Diversity for Dialogue and Development

22 May

International Day for Biological Diversity

23 May

International Day to End Obstetric Fistula

29 May

International Day of UN Peacekeepers

31 May

World No-Tobacco Day [WHO] (WHA Resolution 42.19)


1 June

Global Day of Parents

3 June

World Bicycle Day

4 June

International Day of Innocent Children Victims of Aggression

5 June

World Environment Day

5 June

International Day for the Fight against Illegal, Unreported and Unregulated Fishing

6 June

Russian Language Day

8 June

World Oceans Day

12 June

World Day Against Child Labour

13 June

International Albinism Awareness Day

14 June

World Blood Donor Day

15 June

World Elder Abuse Awareness Day

16 June

International Day of Family Remittances

17 June

World Day to Combat Desertification and Drought

18 June

Sustainable Gastronomy Day

19 June

International Day for the Elimination of Sexual Violence in Conflict

20 June

World Refugee Day

21 June

International Day of Yoga

23 June

United Nations Public Service Day

23 June

International Widows’ Day

25 June

Day of the Seafarer

26 June

International Day against Drug Abuse and Illicit Trafficking

26 June

United Nations International Day in Support of Victims of Torture

27 June

Micro-, Small and Medium-sized Enterprises Day

29 June

International Day of the Tropics

30 June

International Asteroid Day

30 June

International Day of Parliamentarism


7 July (first Saturday in July)

International Day of Cooperatives

11 July

World Population Day

15 July

World Youth Skills Day

18 July

Nelson Mandela International Day

28 July

World Hepatitis Day  [WHO]

30 July

International Day of Friendship

30 July

World Day against Trafficking in Persons


9 August

International Day of the World’s Indigenous Peoples

12 August

International Youth Day

19 August

World Humanitarian Day

21 August

International Day of Remembrance and Tribute to the Victims of Terrorism

23 August

International Day for the Remembrance of the Slave Trade and Its Abolition

29 August

International Day against Nuclear Tests

30 August

International Day of the Victims of Enforced Disappearances


5 September

International Day of Charity

8 September

International Literacy Day

10 September

World Suicide Prevention Day

12 September

United Nations Day for South-South Cooperation

15 September

International Day of Democracy

16 September

International Day for the Preservation of the Ozone Layer

21 September

International Day of Peace

23 September

International Day of Sign Languages

26 September

International Day for the Total Elimination of Nuclear Weapons

27 September

World Tourism Day

27 September (last Thursday of September)

World Maritime Day (IMCO/C XXXVIII/21)

28 September

International Day for Universal Access to Information

28 September

World Rabies Day

30 September

International Translation Day


1 October

International Day of Older Persons

1 October (first Monday in October)

World Habitat Day

2 October

International Day of Non-Violence

5 October

World Teachers’ Day

9 October

World Post Day

10 October

World Mental Health Day

11 October

International Day of the Girl Child

13 October

International Day for Disaster Reduction

13 October (second Saturday of October)

World Migratory Bird Day

15 October

International Day of Rural Women

16 October

World Food Day

17 October

International Day for the Eradication of Poverty

20 October (every five years, beginning in 2010)

World Statistics Day

24 October

United Nations Day

24 October

World Development Information Day

27 October

World Day for Audiovisual Heritage

31 October

World Cities Day


2 November

International Day to End Impunity for Crimes against Journalists

5 November

World Tsunami Awareness Day

6 November

International Day for Preventing the Exploitation of the Environment in War and Armed Conflict

10 November

World Science Day for Peace and Development

14 November

World Diabetes Day

15 November (third Thursday in November)

World Philosophy Day

16 November

International Day for Tolerance

18 November (third Sunday in November)

World Day of Remembrance for Road Traffic Victims

19 November

World Toilet Day

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

30 November

Day of Remembrance for all Victims of Chemical Warfare


1 December

World AIDS Day

2 December

International Day for the Abolition of Slavery

3 December

International Day of Persons with Disabilities

5 December

International Volunteer Day for Economic and Social Development

5 December

World Soil Day

7 December

International Civil Aviation Day

9 December

International Day of Commemoration and Dignity of the Victims of the Crime of Genocide and of the Prevention of this Crime

9 December

International Anti-Corruption Day

10 December

Human Rights Day

11 December

International Mountain Day 

12 December

International Day of Neutrality

12 December

International Universal Health Coverage Day

18 December

International Migrants Day

18 December

Arabic Language Day (Arabic)

20 December

International Human Solidarity Day

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