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Calendar of United Nations official dates

International observance days are occasions to educate students, staff, and our community on issues of concern, to mobilize political will and resources to address global problems, and to celebrate and reinforce achievements of humanity.

Calendar

Here is a list of United Nations General Assembly proclaimed days in a calendar year:

January

January

  • 1st: World Day of Peace

  • 11th: International Day of Human Fraternity

  • 20th: World Religion Day

  • 24th: International Day of Education

February

  • 4th: World Cancer Day

  • 6th: International Day of Zero Tolerance to Female Genital Mutilation

  • 20th: World Day of Social Justice

  • 21st: International Mother Language Day

March

  • 8th: International Women's Day

  • 15th: World Consumer Rights Day

  • 20th: International Day of Happiness

  • 21st: International Day for the Elimination of Racial Discrimination

  • 21st World Poetry Day

  • 22nd: World Water Day

  • 23rd: World Meteorological Day

April

  • 7th: World Health Day

  • 22nd: International Mother Earth Day

  • 23rd: World Book and Copyright Day

  • 24th: World Day for Laboratory Animals

May

  • 3rd: World Press Freedom Day

  • 15th: International Day of Families

  • 17th: World Telecommunication and Information Society Day

  • 22nd: International Day for Biological Diversity

  • 31st: World No-Tobacco Day

June

  • 1st: Global Day of Parents

  • 5th: World Environment Day

  • 8th: World Oceans Day

  • 12th: World Day Against Child Labour

  • 14th: World Blood Donor Day

  • 17th: World Day to Combat Desertification and Drought

  • 20th: World Refugee Day

  • 21st: International Day of Yoga

  • 26th: International Day against Drug Abuse and Illicit Trafficking

July

  • 11th: World Population Day

  • 18th: Nelson Mandela International Day

  • 30th: International Day of Friendship

August

  • 9th: International Day of the World's Indigenous Peoples

  • 12th: International Youth Day

  • 19th: World Humanitarian Day

  • 29th: International Day Against Nuclear Tests

September

  • 5th: International Day of Charity

  • 8th: International Literacy Day

  • 15th: International Day of Democracy

  • 16th: International Day for the Preservation of the Ozone Layer

  • 21st: International Day of Peace

  • 22nd: World Car-Free Day

  • 26th: International Day for the Total Elimination of Nuclear Weapons

October

  • 1st: International Day of Older Persons

  • 2nd: International Day of Non-Violence

  • 4th: World Animal Day

  • 5th: World Teachers' Day

  • 9th: World Post Day

  • 10th: World Mental Health Day

  • 11th: International Day of the Girl Child

  • 15th: International Day of Rural Women

  • 16th: World Food Day

  • 17th: International Day for the Eradication of Poverty

  • 24th: United Nations Day

  • 31st: World Cities Day

November

  • 6th: International Day for Preventing the Exploitation of the Environment in War and Armed Conflict

  • 10th: World Science Day for Peace and Development

  • 14th: World Diabetes Day

  • 16th: International Day for Tolerance

  • 20th: Africa Industrialization Day

  • 25th: International Day for the Elimination of Violence against Women

  • 29th: International Day of Solidarity with the Palestinian People

December

  • 1st: World AIDS Day

  • 2nd: International Day for the Abolition of Slavery

  • 3rd: International Day of Persons with Disabilities

  • 5th: World Soil Day

  • 9th: International Anti-Corruption Day

  • 10th: Human Rights Day

  • 11th: International Mountain Day

  • 18th: International Migrants Day

  • 20th: International Human Solidarity Day

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