International Holidays in 2021

Holiday date Holiday Name
Mon, January 4 World Braille Day
Thu, January 7 International Programmers' Day
Sun, January 17 World Religion Day
Sun, January 24 World Leprosy Day
Tue, January 26 International Customs Day
Wed, January 27 International Day of Commemoration in Memory of the Victims of the Holocaust
Tue, February 2 World Wetlands Day
Thu, February 4 World Cancer Day
Sat, February 6 International Day of Zero Tolerance for Female Genital Mutilation
Thu, February 11 International Day of Women and Girls in Science
Thu, February 11 World Day of the Sick
Sat, February 13 World Radio Day
Sat, February 20 World Day of Social Justice
Sun, February 21 International Mother Language Day
Mon, March 1 Self-Injury Awareness Day
Mon, March 1 Zero Discrimination Day
Wed, March 3 World Wildlife Day
Mon, March 8 International Women's Day
Thu, March 11 World Kidney Day
Sat, March 20 International Day of Happiness
Sun, March 21 International Day of Nowruz
Sun, March 21 International Day of Forests
Sun, March 21 International Day for the Elimination of Racial Discrimination
Sun, March 21 World Poetry Day
Sun, March 21 World Down Syndrome Day
Mon, March 22 World Water Day
Tue, March 23 World Meteorological Day
Wed, March 24 World Tuberculosis Day
Wed, March 24 International Day for the Right to the Truth concerning Gross Human Rights Violations and for the Dignity of Victims
Thu, March 25 International Day of Solidarity with Detained and Missing Staff Members
Thu, March 25 International Day of Remembrance of Slavery Victims and the Transatlantic Slave Trade
Sat, March 27 Earth Hour
Thu, April 1 April Fool's Day
Fri, April 2 World Autism Awareness Day
Sun, April 4 United Nations' Mine Awareness Day
Tue, April 6 International Day of Sport for Development and Peace
Wed, April 7 United Nations' World Health Day
Wed, April 7 Day of Remembrance of the Victims of the Rwanda Genocide
Mon, April 12 International Day of Human Space Flight
Tue, April 13 Equal Pay Day
Sun, April 18 International Day for Monuments and Sites
Tue, April 20 Chinese Language Day
Thu, April 22 Earth Day
Fri, April 23 English Language Day
Fri, April 23 World Book and Copyright Day
Sun, April 25 World Malaria Day
Mon, April 26 International Chernobyl Disaster Remembrance Day
Mon, April 26 World Intellectual Property Day
Wed, April 28 World Day for Safety and Health at Work
Thu, April 29 Day of Remembrance for all Victims of Chemical Warfare
Fri, April 30 International Jazz Day
Sun, May 2 World Tuna Day
Mon, May 3 World Press Freedom Day
Sat, May 8 Time of Remembrance and Reconciliation for Those Who Lost Their Lives during the Second World War
Sat, May 8 World Migratory Bird Day
Sat, May 8 World Ovarian Cancer Day
Wed, May 12 International Nurses Day
Sat, May 15 International Day of Families
Mon, May 17 World Information Society Day
Thu, May 20 World Autoimmune / Autoinflammatory Arthritis Day
Fri, May 21 World Day for Cultural Diversity for Dialogue and Development
Sat, May 22 International Day for Biological Diversity
Sun, May 23 International Day to End Obstetric Fistula
Tue, May 25 African Liberation Day
Sat, May 29 International Day of United Nations Peacekeepers
Mon, May 31 World No Tobacco Day
Tue, June 1 Global Day of Parents
Fri, June 4 International Day of Innocent Children Victims of Aggression
Sat, June 5 World Environment Day
Tue, June 8 World Oceans Day
Sat, June 12 World Day Against Child Labour
Sun, June 13 International Albinism Awareness Day
Mon, June 14 World Blood Donor Day
Tue, June 15 World Elder Abuse Awareness Day
Wed, June 16 International Day of Family Remittances
Thu, June 17 World Day to Combat Desertification and Drought
Sat, June 19 International Day for the Elimination of Sexual Violence in Conflict
Sun, June 20 World Refugee Day
Mon, June 21 International Day of Yoga
Wed, June 23 Public Service Day
Wed, June 23 International Widows' Day
Fri, June 25 Day of the Seafarer
Sat, June 26 International Day in Support of Victims of Torture
Sat, June 26 International Day Against Drug Abuse and Illicit Trafficking
Wed, June 30 International Asteroid Day
Sat, July 3 International Day of Cooperatives
Sun, July 11 World Population Day
Thu, July 15 World Youth Skills Day
Sun, July 18 Nelson Mandela Day
Wed, July 28 World Hepatitis Day
Fri, July 30 International Day of Friendship
Fri, July 30 World Day against Trafficking in Persons
Mon, August 9 International Day of the World's Indigenous People
Thu, August 12 International Youth Day
Fri, August 13 Friday the 13th
Thu, August 19 World Humanitarian Day
Mon, August 23 International Day for the Remembrance of the Slave Trade and its Abolition
Sun, August 29 International Day against Nuclear Tests
Mon, August 30 International Day of the Victims of Enforced Disappearances
Tue, August 31 International Overdose Awareness Day
Sat, September 4 World Sexual Health Day
Sun, September 5 International Day of Charity
Wed, September 8 International Literacy Day
Fri, September 10 World Suicide Prevention Day
Sun, September 12 International Day for South-South Cooperation
Mon, September 13 International Programmers' Day
Wed, September 15 International Day of Democracy
Thu, September 16 International Day for the Preservation of the Ozone Layer
Tue, September 21 International Day of Peace
Thu, September 23 World Maritime Day
Thu, September 23 International Celebrate Bisexuality Day
Sun, September 26 International Day for the Total Elimination of Nuclear Weapons
Mon, September 27 World Tourism Day
Tue, September 28 World Rabies Day
Wed, September 29 World Heart Day
Fri, October 1 International Day of Older Persons
Fri, October 1 World Vegetarian Day
Sat, October 2 International Day of Non-Violence
Mon, October 4 World Habitat Day
Tue, October 5 World Teachers' Day
Wed, October 6 World Cerebral Palsy Day
Sat, October 9 World Post Day
Sun, October 10 World Mental Health Day
Mon, October 11 International Day of the Girl Child
Wed, October 13 International Day for Natural Disaster Reduction
Thu, October 14 World Sight Day
Fri, October 15 International Day of Rural Women
Sat, October 16 World Food Day
Sun, October 17 International Day for the Eradication of Poverty
Sun, October 24 World Development Information Day
Sun, October 24 United Nations Day
Wed, October 27 World Day for Audiovisual Heritage
Fri, October 29 World Stroke Day
Sun, October 31 World Cities Day
Mon, November 1 World Vegan Day
Tue, November 2 International Day to End Impunity for Crimes against Journalists
Sat, November 6 International Day for Preventing the Exploitation of the Environment in War and Armed Conflict
Wed, November 10 World Science Day for Peace and Development
Fri, November 12 World Pneumonia Day
Sun, November 14 World Diabetes Day
Tue, November 16 International Day for Tolerance
Wed, November 17 World Prematurity Day
Thu, November 18 World Philosophy Day
Fri, November 19 World Toilet Day
Fri, November 19 International Men's Day
Sat, November 20 Africa Industrialization Day
Sat, November 20 Universal Children's Day
Sun, November 21 World Television Day
Sun, November 21 World Day of Remembrance for Road Traffic Victims
Thu, November 25 International Day for the Elimination of Violence against Women
Mon, November 29 International Day of Solidarity with the Palestinian People
Tue, November 30 Giving Tuesday
Wed, December 1 World AIDS Day
Thu, December 2 International Day for the Abolition of Slavery
Fri, December 3 International Day of Persons with Disabilities
Sun, December 5 International Volunteer Day for Economic and Social Development
Sun, December 5 World Soil Day
Tue, December 7 International Civil Aviation Day
Thu, December 9 World Genocide Commemoration Day
Thu, December 9 International Anti-Corruption Day
Fri, December 10 Human Rights Day
Sat, December 11 International Mountain Day
Sat, December 18 International Migrants Day
Sat, December 18 Arabic Language Day
Mon, December 20 International Human Solidarity Day