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The world’s calendar

International days and weeks.

The days the world sets aside to draw attention to a cause — most of them proclaimed by the United Nations General Assembly. Dates come from the UN’s own list.

November 2026

  1. World Tsunami Awareness Day

    One of the United Nations’ international days.

  2. World Science Day for Peace and Development

    One of the United Nations’ international days, led by UNESCO.

  3. World Diabetes Day

    One of the United Nations’ international days.

  4. World Day of Remembrance for Road Traffic Victims

    One of the United Nations’ international days. Held on the third Sunday of November.

  5. International Day for Tolerance

    One of the United Nations’ international days, led by UNESCO.

  6. World Philosophy Day

    One of the United Nations’ international days, led by UNESCO. Held on the third Thursday of November.

  7. World Toilet Day

    One of the United Nations’ international days.

  8. Africa Industrialization Day

    One of the United Nations’ international days.

  9. World Children’s Day

    One of the United Nations’ international days. The anniversary of the UN Convention on the Rights of the Child, adopted in 1989.

  10. World Television Day

    One of the United Nations’ international days.

  11. International Day for the Elimination of Violence against Women

    One of the United Nations’ international days.

  12. World Sustainable Transport Day

    One of the United Nations’ international days.

  13. International Day of Solidarity with the Palestinian People

    One of the United Nations’ international days.

  14. Day of Remembrance for all Victims of Chemical Warfare

    One of the United Nations’ international days.

December 2026

  1. World AIDS Day

    One of the United Nations’ international days.

  2. International Day for the Abolition of Slavery

    One of the United Nations’ international days.

  3. International Day of Persons with Disabilities

    One of the United Nations’ international days.

  4. International Volunteer Day for Economic and Social Development

    One of the United Nations’ international days.

  5. World Soil Day

    One of the United Nations’ international days, led by FAO.

  6. International Civil Aviation Day

    One of the United Nations’ international days.

  7. International Anti-Corruption Day

    One of the United Nations’ international days. The anniversary of the opening for signature of the UN Convention against Corruption in 2003.

  8. Human Rights Day

    One of the United Nations’ international days. The anniversary of the Universal Declaration of Human Rights, adopted by the UN General Assembly on 10 December 1948.

  9. International Mountain Day

    One of the United Nations’ international days.

  10. International Universal Health Coverage Day

    One of the United Nations’ international days.

  11. Arabic Language Day

    One of the United Nations’ international days.

  12. International Migrants Day

    One of the United Nations’ international days.

  13. International Human Solidarity Day

    One of the United Nations’ international days.

  14. World Meditation Day

    One of the United Nations’ international days. Proclaimed by the UN General Assembly in December 2024.

  15. International Day of Epidemic Preparedness

    One of the United Nations’ international days.

January 2027

  1. World Braille Day

    One of the United Nations’ international days.

  2. International Day of Education

    One of the United Nations’ international days. Proclaimed by the UN General Assembly in 2018.

  3. International Day of Clean Energy

    One of the United Nations’ international days.

February 2027

  1. World Wetlands Day

    One of the United Nations’ international days.

  2. International Day of Human Fraternity

    One of the United Nations’ international days.

  3. International Day of Zero Tolerance to Female Genital Mutilation

    One of the United Nations’ international days.

  4. World Pulses Day

    One of the United Nations’ international days, led by FAO.

  5. International Day of Women and Girls in Science

    One of the United Nations’ international days.

  6. World Radio Day

    One of the United Nations’ international days, led by UNESCO.

  7. Global Tourism Resilience Day

    One of the United Nations’ international days.

  8. World Day of Social Justice

    One of the United Nations’ international days.

  9. International Mother Language Day

    One of the United Nations’ international days, led by UNESCO. Proclaimed by UNESCO in 1999; the date recalls the 1952 language movement in what is now Bangladesh.

March 2027

  1. Zero Discrimination Day

    One of the United Nations’ international days.

  2. World Wildlife Day

    One of the United Nations’ international days. The anniversary of CITES, the convention on trade in endangered species, signed in 1973.

  3. International Women’s Day

    One of the United Nations’ international days.

  4. International Day of Women Judges

    One of the United Nations’ international days.

  5. International Day to Combat Islamophobia

    One of the United Nations’ international days.

  6. International Day of Happiness

    One of the United Nations’ international days.

  7. International Day for the Elimination of Racial Discrimination

    One of the United Nations’ international days.

  8. International Day of Forests

    One of the United Nations’ international days, led by FAO.

  9. World Down Syndrome Day

    One of the United Nations’ international days.

  10. World Poetry Day

    One of the United Nations’ international days, led by UNESCO.

  11. World Water Day

    One of the United Nations’ international days.

  12. World Meteorological Day

    One of the United Nations’ international days, led by WMO.

  13. World Tuberculosis Day

    One of the United Nations’ international days, led by WHO.

  14. International Day of Zero Waste

    One of the United Nations’ international days.

April 2027

  1. World Autism Awareness Day

    One of the United Nations’ international days.

  2. International Day for Mine Awareness and Assistance in Mine Action

    One of the United Nations’ international days.

  3. International Day of Sport for Development and Peace

    One of the United Nations’ international days.

  4. World Health Day

    One of the United Nations’ international days, led by WHO. The anniversary of the founding of the World Health Organization in 1948.

  5. International Day of Human Space Flight

    One of the United Nations’ international days. The anniversary of Yuri Gagarin’s flight on 12 April 1961, the first by a human in space.

  6. International Mother Earth Day

    One of the United Nations’ international days.

  7. World Book and Copyright Day

    One of the United Nations’ international days, led by UNESCO.

  8. World Malaria Day

    One of the United Nations’ international days, led by WHO.

  9. World Intellectual Property Day

    One of the United Nations’ international days, led by WIPO.

  10. World Day for Safety and Health at Work

    One of the United Nations’ international days.

  11. International Jazz Day

    One of the United Nations’ international days, led by UNESCO.

May 2027

  1. World Press Freedom Day

    One of the United Nations’ international days, led by UNESCO.

  2. International Day of Families

    One of the United Nations’ international days.

  3. World Telecommunication and Information Society Day

    One of the United Nations’ international days.

  4. World Bee Day

    One of the United Nations’ international days, led by FAO.

  5. International Tea Day

    One of the United Nations’ international days, led by FAO.

  6. International Day for Biological Diversity

    One of the United Nations’ international days.

  7. World Football Day

    One of the United Nations’ international days.

  8. International Day of UN Peacekeepers

    One of the United Nations’ international days.

  9. World No-Tobacco Day

    One of the United Nations’ international days, led by WHO.

June 2027

  1. Global Day of Parents

    One of the United Nations’ international days.

  2. World Bicycle Day

    One of the United Nations’ international days.

  3. World Environment Day

    One of the United Nations’ international days, led by UNEP. Led by the UN Environment Programme; first held in 1973.

  4. World Food Safety Day

    One of the United Nations’ international days.

  5. World Oceans Day

    One of the United Nations’ international days.

  6. World Day Against Child Labour

    One of the United Nations’ international days.

  7. World Blood Donor Day

    One of the United Nations’ international days, led by WHO.

  8. World Elder Abuse Awareness Day

    One of the United Nations’ international days.

  9. World Day to Combat Desertification and Drought

    One of the United Nations’ international days.

  10. World Refugee Day

    One of the United Nations’ international days.

  11. International Day of Yoga

    One of the United Nations’ international days. Proclaimed by the UN General Assembly in December 2014 on India’s proposal; first observed in 2015.

  12. International Widows’ Day

    One of the United Nations’ international days.

  13. United Nations Public Service Day

    One of the United Nations’ international days.

  14. International Day against Drug Abuse and Illicit Trafficking

    One of the United Nations’ international days.

  15. Micro-, Small and Medium-sized Enterprises Day

    One of the United Nations’ international days.

  16. International Asteroid Day

    One of the United Nations’ international days.

July 2027

  1. World Population Day

    One of the United Nations’ international days.

  2. World Youth Skills Day

    One of the United Nations’ international days.

  3. Nelson Mandela International Day

    One of the United Nations’ international days.

  4. International Moon Day

    One of the United Nations’ international days.

  5. World Chess Day

    One of the United Nations’ international days.

  6. World Drowning Prevention Day

    One of the United Nations’ international days.

  7. World Hepatitis Day

    One of the United Nations’ international days, led by WHO.

  8. International Day of Friendship

    One of the United Nations’ international days.

  9. World Day against Trafficking in Persons

    One of the United Nations’ international days.

August 2027

  1. International Day of the World’s Indigenous Peoples

    One of the United Nations’ international days.

  2. International Youth Day

    One of the United Nations’ international days.

  3. World Humanitarian Day

    One of the United Nations’ international days.

  4. International Day against Nuclear Tests

    One of the United Nations’ international days.

September 2027

  1. International Day of Charity

    One of the United Nations’ international days.

  2. International Day of Clean Air for blue skies

    One of the United Nations’ international days, led by UNEP.

  3. International Literacy Day

    One of the United Nations’ international days, led by UNESCO.

  4. International Day of Democracy

    One of the United Nations’ international days.

  5. International Day for the Preservation of the Ozone Layer

    One of the United Nations’ international days.

  6. World Patient Safety Day

    One of the United Nations’ international days, led by WHO.

  7. International Day of Peace

    One of the United Nations’ international days.

  8. International Day of Sign Languages

    One of the United Nations’ international days.

  9. World Tourism Day

    One of the United Nations’ international days.

  10. International Day of Awareness of Food Loss and Waste

    One of the United Nations’ international days.

  11. International Translation Day

    One of the United Nations’ international days.

October 2027

  1. International Day of Older Persons

    One of the United Nations’ international days.

  2. International Day of Non-Violence

    One of the United Nations’ international days. Marked on Mahatma Gandhi’s birthday; the UN General Assembly established it in 2007.

  3. World Teachers’ Day

    One of the United Nations’ international days, led by UNESCO.

  4. World Post Day

    One of the United Nations’ international days.

  5. World Mental Health Day

    One of the United Nations’ international days, led by WHO.

  6. International Day of the Girl Child

    One of the United Nations’ international days.

  7. International Day for Disaster Risk Reduction

    One of the United Nations’ international days.

  8. International Day of Rural Women

    One of the United Nations’ international days.

  9. World Food Day

    One of the United Nations’ international days, led by FAO. The anniversary of the founding of the Food and Agriculture Organization in 1945.

  10. International Day for the Eradication of Poverty

    One of the United Nations’ international days.

  11. United Nations Day

    One of the United Nations’ international days. The anniversary of the UN Charter coming into force in 1945.

  12. World Cities Day

    One of the United Nations’ international days.

November 2027

  1. International Day to End Impunity for Crimes against Journalists

    One of the United Nations’ international days.

  2. World Tsunami Awareness Day

    One of the United Nations’ international days.

  3. World Science Day for Peace and Development

    One of the United Nations’ international days, led by UNESCO.

  4. World Diabetes Day

    One of the United Nations’ international days.

  5. International Day for Tolerance

    One of the United Nations’ international days, led by UNESCO.

  6. World Toilet Day

    One of the United Nations’ international days.

  7. World Children’s Day

    One of the United Nations’ international days. The anniversary of the UN Convention on the Rights of the Child, adopted in 1989.

  8. World Television Day

    One of the United Nations’ international days.

  9. International Day for the Elimination of Violence against Women

    One of the United Nations’ international days.

  10. International Day of Solidarity with the Palestinian People

    One of the United Nations’ international days.

  11. Day of Remembrance for all Victims of Chemical Warfare

    One of the United Nations’ international days.

December 2027

  1. World AIDS Day

    One of the United Nations’ international days.

  2. International Day for the Abolition of Slavery

    One of the United Nations’ international days.

  3. International Day of Persons with Disabilities

    One of the United Nations’ international days.

  4. International Volunteer Day for Economic and Social Development

    One of the United Nations’ international days.

  5. World Soil Day

    One of the United Nations’ international days, led by FAO.

  6. International Civil Aviation Day

    One of the United Nations’ international days.

  7. International Anti-Corruption Day

    One of the United Nations’ international days. The anniversary of the opening for signature of the UN Convention against Corruption in 2003.

  8. Human Rights Day

    One of the United Nations’ international days. The anniversary of the Universal Declaration of Human Rights, adopted by the UN General Assembly on 10 December 1948.

  9. International Mountain Day

    One of the United Nations’ international days.

  10. International Universal Health Coverage Day

    One of the United Nations’ international days.

  11. Arabic Language Day

    One of the United Nations’ international days.

  12. International Migrants Day

    One of the United Nations’ international days.

  13. International Human Solidarity Day

    One of the United Nations’ international days.

  14. World Meditation Day

    One of the United Nations’ international days. Proclaimed by the UN General Assembly in December 2024.

  15. International Day of Epidemic Preparedness

    One of the United Nations’ international days.

Source: United Nations — International days and weeks (un.org/en/observances). un.org ↗