| Int Day of Commemoration in Memory of the Victims of the Holocaust | Monday, January 27 2020 |
| World Cancer Day | Tuesday, February 04 2020 |
| Int Day of Zero Tolerance to Female Genital Mutilation | Thursday, February 06 2020 |
| Int Day of Women and Girls in Science | Tuesday, February 11 2020 |
| World Radio Day | Thursday, February 13 2020 |
| World Day of Social Justice | Thursday, February 20 2020 |
| Int Mother Language Day | Friday, February 21 2020 |
| Zero Discrimination Day | Sunday, March 01 2020 |
| World Wildlife Day | Tuesday, March 03 2020 |
| Int Womens Day | Sunday, March 08 2020 |
| Int Day of Happiness | Friday, March 20 2020 |
| French Language Day | Friday, March 20 2020 |
| Int Day for Elimination of Racial Discrimination | Saturday, March 21 2020 |
| World Poetry Day | Saturday, March 21 2020 |
| Int Day of Nowruz | Saturday, March 21 2020 |
| World Down Syndrome Day | Saturday, March 21 2020 |
| Int Day of Forests | Saturday, March 21 2020 |
| World Water Day | Sunday, March 22 2020 |
| World Meteorological Day | Monday, March 23 2020 |
| World Tuberculosis Day | Tuesday, March 24 2020 |
| Int Day for the Right to the Truth concerning Gross Human Rights Violations and for the Dignity of Victims | Tuesday, March 24 2020 |
| Int Day of Remembrance of the Victims of Slavery and the Transatlantic Slave Trade | Wednesday, March 25 2020 |
| Int Day of Solidarity with Detained and Missing Staff Members | Wednesday, March 25 2020 |
| World Autism Awareness Day | Thursday, April 02 2020 |
| Int Day for Mine Awareness and Assistance in Mine Action | Saturday, April 04 2020 |
| Int Day of Sport for Development and Peace | Monday, April 06 2020 |
| Int Day of Reflection on the Genocide in Rwanda | Tuesday, April 07 2020 |
| World Health Day | Tuesday, April 07 2020 |
| Int Day of Human Space Flight | Sunday, April 12 2020 |
| Chinese Language Day | Monday, April 20 2020 |
| World Creativity and Innovation Day | Tuesday, April 21 2020 |
| Int Mother Earth Day | Wednesday, April 22 2020 |
| World Book and Copyright Day | Thursday, April 23 2020 |
| English Language Day | Thursday, April 23 2020 |
| Spanish Language Day | Thursday, April 23 2020 |
| World Malaria Day | Saturday, April 25 2020 |
| Int Chernobyl Disaster Remembrance Day | Sunday, April 26 2020 |
| World Intellectual Property Day | Sunday, April 26 2020 |
| World Day for Safety and Health at Work | Tuesday, April 28 2020 |
| Int Jazz Day | Thursday, April 30 2020 |
| Vesak the Day of the Full Moon | Thursday, April 30 2020 |
| World Tuna Day | Saturday, May 02 2020 |
| World Press Freedom Day | Sunday, May 03 2020 |
| Time of Remembrance and Reconciliation for Those Who Lost Their Lives During the Second World War | Friday, May 08 2020 |
| World Migratory Bird Day May | Saturday, May 09 2020 |
| Time of Remembrance and Reconciliation for Those Who Lost Their Lives During the Second World War | Saturday, May 09 2020 |
| Int Day of Families | Friday, May 15 2020 |
| Int Day of Living Together in Peace | Saturday, May 16 2020 |
| Int Day of Light | Saturday, May 16 2020 |
| World Telecommunication and Information Society Day | Sunday, May 17 2020 |
| World Bee Day | Wednesday, May 20 2020 |
| World Day for Cultural Diversity for Dialogue and Development | Thursday, May 21 2020 |
| Int Day for Biological Diversity | Friday, May 22 2020 |
| Int Day to End Obstetric Fistula | Saturday, May 23 2020 |
| Int Day of UN Peacekeepers | Friday, May 29 2020 |
| World No-Tobacco Day | Sunday, May 31 2020 |
| Global Day of Parents | Monday, June 01 2020 |
| World Bicycle Day | Wednesday, June 03 2020 |
| Int Day of Innocent Children Victims of Aggression | Thursday, June 04 2020 |
| World Environment Day | Friday, June 05 2020 |
| Int Day for the Fight against Illegal Unreported Unregulated Fishing | Friday, June 05 2020 |
| Russian Language Day | Saturday, June 06 2020 |
| World Oceans Day | Monday, June 08 2020 |
| World Day Against Child Labour | Friday, June 12 2020 |
| Int Albinism Awareness Day | Saturday, June 13 2020 |
| World Blood Donor Day | Sunday, June 14 2020 |
| World Elder Abuse Awareness Day | Monday, June 15 2020 |
| Int Day of Family Remittances | Tuesday, June 16 2020 |
| World Day to Combat Desertification and Drought | Wednesday, June 17 2020 |
| Sustainable Gastronomy Day | Thursday, June 18 2020 |
| Int Day for the Elimination of Sexual Violence in Conflict | Friday, June 19 2020 |
| World Refugee Day | Saturday, June 20 2020 |
| Int Day of Yoga | Sunday, June 21 2020 |
| United Nations Public Service Day | Tuesday, June 23 2020 |
| Int Widows Day | Tuesday, June 23 2020 |
| Day of the Seafarer | Thursday, June 25 2020 |
| Int Day against Drug Abuse and Illicit Trafficking | Friday, June 26 2020 |
| United Nations Int Day in Support of Victims of Torture | Friday, June 26 2020 |
| Micro- Small Med-sized Enterprises Day | Saturday, June 27 2020 |
| Int Day of the Tropics | Monday, June 29 2020 |
| Int Asteroid Day | Tuesday, June 30 2020 |
| Int Day of Parliamentarism | Tuesday, June 30 2020 |
| Int Day of Cooperatives | Saturday, July 04 2020 |
| World Population Day | Saturday, July 11 2020 |
| World Youth Skills Day | Wednesday, July 15 2020 |
| Nelson Mandela Int Day | Saturday, July 18 2020 |
| World Hepatitis Day | Tuesday, July 28 2020 |
| Int Day of Friendship | Thursday, July 30 2020 |
| World Day against Trafficking in Persons | Thursday, July 30 2020 |
| Int Day of the Worlds Indigenous Peoples | Sunday, August 09 2020 |
| Int Youth Day | Wednesday, August 12 2020 |
| World Humanitarian Day | Wednesday, August 19 2020 |
| Int Day of Remembrance and Tribute to the Victims of Terrorism | Friday, August 21 2020 |
| Int Day for the Remembrance of the Slave Trade and Its Abolition | Sunday, August 23 2020 |
| Int Day against Nuclear Tests | Saturday, August 29 2020 |
| Int Day of the Victims of Enforced Disappearances | Sunday, August 30 2020 |
| Int Day of Charity | Saturday, September 05 2020 |
| Int Literacy Day | Tuesday, September 08 2020 |
| World Suicide Prevention Day | Thursday, September 10 2020 |
| United Nations Day for South-South Cooperation | Saturday, September 12 2020 |
| Int Day of Democracy | Tuesday, September 15 2020 |
| Int Day for the Preservation of the Ozone Layer | Wednesday, September 16 2020 |
| Int Day of Peace | Monday, September 21 2020 |
| Int Day of Sign Languages | Wednesday, September 23 2020 |
| World Maritime Day | Thursday, September 24 2020 |
| Int Day for the Elimination of Nuclear Weapons | Saturday, September 26 2020 |
| World Tourism Day | Sunday, September 27 2020 |
| Int Day for Universal Access to Information | Monday, September 28 2020 |
| World Rabies Day | Monday, September 28 2020 |
| Int Translation Day | Wednesday, September 30 2020 |
| Int Day of Older Persons | Thursday, October 01 2020 |
| Int Day of Non-Violence | Friday, October 02 2020 |
| World Habitat Day | Monday, October 05 2020 |
| World Teachers Day | Monday, October 05 2020 |
| World Post Day | Friday, October 09 2020 |
| World Migratory Bird Day October | Saturday, October 10 2020 |
| World Mental Health Day | Saturday, October 10 2020 |
| Int Day of the Girl Child | Sunday, October 11 2020 |
| Int Day for Disaster Reduction | Tuesday, October 13 2020 |
| Int Day of Rural Women | Thursday, October 15 2020 |
| World Food Day | Friday, October 16 2020 |
| Int Day for the Eradication of Poverty | Saturday, October 17 2020 |
| World Statistics Day | Tuesday, October 20 2020 |
| United Nations Day | Saturday, October 24 2020 |
| World Development Information Day | Saturday, October 24 2020 |
| World Day for Audiovisual Heritage | Tuesday, October 27 2020 |
| World Cities Day | Saturday, October 31 2020 |
| Int Day to End Impunity for Crimes against Journalists | Monday, November 02 2020 |
| World Tsunami Awareness Day | Thursday, November 05 2020 |
| Int Day for Preventing the Exploitation of the Environment in War and Armed Conflict | Friday, November 06 2020 |
| World Science Day for Peace and Development | Tuesday, November 10 2020 |
| World Diabetes Day | Saturday, November 14 2020 |
| World Day of Remembrance for Road Traffic Victims | Sunday, November 15 2020 |
| Int Day for Tolerance | Monday, November 16 2020 |
| World Philosophy Day | Thursday, November 19 2020 |
| World Toilet Day | Thursday, November 19 2020 |
| Africa Industrialization Day | Friday, November 20 2020 |
| Universal Childrens Day | Friday, November 20 2020 |
| World Television Day | Saturday, November 21 2020 |
| Int Day for the Elimination of Violence against Women | Wednesday, November 25 2020 |
| Int Day of Solidarity with the Palestinian People | Sunday, November 29 2020 |
| Day of Remembrance for all Victims of Chemical Warfare | Monday, November 30 2020 |
| World AIDS Day | Tuesday, December 01 2020 |
| Int Day for the Abolition of Slavery | Wednesday, December 02 2020 |
| Int Day of Persons with Disabilities | Thursday, December 03 2020 |
| Int Volunteer Day for Economic and Social Development | Saturday, December 05 2020 |
| World Soil Day | Saturday, December 05 2020 |
| Int Civil Aviation Day | Monday, December 07 2020 |
| Int Day of Commemoration Dignity of the Victims of the Crime of Genocide and of the Prevention of this Crime | Wednesday, December 09 2020 |
| Int Anti-Corruption Day | Wednesday, December 09 2020 |
| Human Rights Day | Thursday, December 10 2020 |
| Int Mountain Day | Friday, December 11 2020 |
| Int Day of Neutrality | Saturday, December 12 2020 |
| Int Universal Health Coverage Day | Saturday, December 12 2020 |
| Int Migrants Day | Friday, December 18 2020 |
| Arabic Language Day | Friday, December 18 2020 |
| Int Human Solidarity Day | Sunday, December 20 2020 |