| JANUARY |
| Jan 27 | Saturday | Int Day of Commemoration in Memory of the Victims of the Holocaust | Observance |
| FEBRUARY |
| Feb 4 | Sunday | World Cancer Day | Observance |
| Feb 6 | Tuesday | Int Day of Zero Tolerance to Female Genital Mutilation | Observance |
| Feb 11 | Sunday | Int Day of Women and Girls in Science | Observance |
| Feb 13 | Tuesday | World Radio Day | Observance |
| Feb 20 | Tuesday | World Day of Social Justice | Observance |
| Feb 21 | Wednesday | Int Mother Language Day | Observance |
| MARCH |
| Mar 1 | Friday | Zero Discrimination Day | Observance |
| Mar 3 | Sunday | World Wildlife Day | Observance |
| Mar 8 | Friday | Int Womens Day | Observance |
| Mar 20 | Wednesday | Int Day of Happiness | Observance |
| Mar 20 | Wednesday | French Language Day | Observance |
| Mar 21 | Thursday | Int Day for Elimination of Racial Discrimination | Observance |
| Mar 21 | Thursday | World Poetry Day | Observance |
| Mar 21 | Thursday | Int Day of Nowruz | Observance |
| Mar 21 | Thursday | World Down Syndrome Day | Observance |
| Mar 21 | Thursday | Int Day of Forests | Observance |
| Mar 22 | Friday | World Water Day | Observance |
| Mar 23 | Saturday | World Meteorological Day | Observance |
| Mar 24 | Sunday | World Tuberculosis Day | Observance |
| Mar 24 | Sunday | Int Day for the Right to the Truth concerning Gross Human Rights Violations and for the Dignity of Victims | Observance |
| Mar 25 | Monday | Int Day of Remembrance of the Victims of Slavery and the Transatlantic Slave Trade | Observance |
| Mar 25 | Monday | Int Day of Solidarity with Detained and Missing Staff Members | Observance |
| APRIL |
| Apr 2 | Tuesday | World Autism Awareness Day | Observance |
| Apr 4 | Thursday | Int Day for Mine Awareness and Assistance in Mine Action | Observance |
| Apr 6 | Saturday | Int Day of Sport for Development and Peace | Observance |
| Apr 7 | Sunday | Int Day of Reflection on the Genocide in Rwanda | Observance |
| Apr 7 | Sunday | World Health Day | Observance |
| Apr 12 | Friday | Int Day of Human Space Flight | Observance |
| Apr 20 | Saturday | Chinese Language Day | Observance |
| Apr 21 | Sunday | World Creativity and nnovation Day | Observance |
| Apr 22 | Monday | Int Mother Earth Day | Observance |
| Apr 23 | Tuesday | World Book and Copyright Day | Observance |
| Apr 23 | Tuesday | English Language Day | Observance |
| Apr 23 | Tuesday | Spanish Language Day | Observance |
| Apr 25 | Thursday | World Malaria Day | Observance |
| Apr 26 | Friday | Int Chernobyl Disaster Remembrance Day | Observance |
| Apr 26 | Friday | World Intellectual Property Day | Observance |
| Apr 28 | Sunday | World Day for Safety and Health at Work | Observance |
| Apr 30 | Tuesday | Int Jazz Day | Observance |
| Apr 30 | Tuesday | Vesak the Day of the Full Moon | Observance |
| MAY |
| May 2 | Thursday | World Tuna Day | Observance |
| May 3 | Friday | World Press Freedom Day | Observance |
| May 8 | Wednesday | Time of Remembrance and Reconciliation for Those Who Lost Their Lives During the Second World War | Observance |
| May 9 | Thursday | Time of Remembrance and Reconciliation for Those Who Lost Their Lives During the Second World War | Observance |
| May 11 | Saturday | World Migratory Bird Day May | Observance |
| May 15 | Wednesday | Int Day of Families | Observance |
| May 16 | Thursday | Int Day of Living Together in Peace | Observance |
| May 16 | Thursday | Int Day of Light | Observance |
| May 17 | Friday | World Telecommunication and Information Society Day | Observance |
| May 20 | Monday | World Bee Day | Observance |
| May 21 | Tuesday | World Day for Cultural Diversity for Dialogue and Development | Observance |
| May 22 | Wednesday | Int Day for Biological Diversity | Observance |
| May 23 | Thursday | Int Day to End Obstetric Fistula | Observance |
| May 29 | Wednesday | Int Day of UN Peacekeepers | Observance |
| May 31 | Friday | World No Tobacco Day | Observance |
| JUNE |
| Jun 1 | Saturday | Global Day of Parents | Observance |
| Jun 3 | Monday | World Bicycle Day | Observance |
| Jun 4 | Tuesday | Int Day of Innocent Children Victims of Aggression | Observance |
| Jun 5 | Wednesday | World Environment Day | Observance |
| Jun 5 | Wednesday | Int Day for the Fight against Illegal Unreported Unregulated Fishing | Observance |
| Jun 6 | Thursday | Russian Language Day | Observance |
| Jun 8 | Saturday | World Oceans Day | Observance |
| Jun 12 | Wednesday | World Day Against Child Labour | Observance |
| Jun 13 | Thursday | Int Albinism Awareness Day | Observance |
| Jun 14 | Friday | World Blood Donor Day | Observance |
| Jun 15 | Saturday | World Elder Abuse Awareness Day | Observance |
| Jun 16 | Sunday | Int Day of Family Remittances | Observance |
| Jun 17 | Monday | World Day to Combat Desertification and Drought | Observance |
| Jun 18 | Tuesday | Sustainable Gastronomy Day | Observance |
| Jun 19 | Wednesday | Int Day for the Elimination of Sexual Violence in Conflict | Observance |
| Jun 20 | Thursday | World Refugee Day | Observance |
| Jun 21 | Friday | Int Day of Yoga | Observance |
| Jun 23 | Sunday | United Nations Public Service Day | Observance |
| Jun 23 | Sunday | Int Widows Day | Observance |
| Jun 25 | Tuesday | Day of the Seafarer | Observance |
| Jun 26 | Wednesday | Int Day against Drug Abuse and Illicit Trafficking | Observance |
| Jun 26 | Wednesday | United Nations Int Day in Support of Victims of Torture | Observance |
| Jun 27 | Thursday | Micro Small Med sized Enterprises Day | Observance |
| Jun 29 | Saturday | Int Day of the Tropics | Observance |
| Jun 30 | Sunday | Int Asteroid Day | Observance |
| Jun 30 | Sunday | Int Day of Parliamentarism | Observance |
| JULY |
| Jul 6 | Saturday | Int Day of Cooperatives | Observance |
| Jul 11 | Thursday | World Population Day | Observance |
| Jul 15 | Monday | World Youth Skills Day | Observance |
| Jul 18 | Thursday | Nelson Mandela Int Day | Observance |
| Jul 28 | Sunday | World Hepatitis Day | Observance |
| Jul 30 | Tuesday | Int Day of Friendship | Observance |
| Jul 30 | Tuesday | World Day against Trafficking in Persons | Observance |
| AUGUST |
| Aug 9 | Friday | Int Day of the Worlds Indigenous Peoples | Observance |
| Aug 12 | Monday | Int Youth Day | Observance |
| Aug 19 | Monday | World Humanitarian Day | Observance |
| Aug 21 | Wednesday | Int Day of Remembrance and Tribute to the Victims of Terrorism | Observance |
| Aug 23 | Friday | Int Day for the Remembrance of the Slave Trade and Its Abolition | Observance |
| Aug 29 | Thursday | Int Day against Nuclear Tests | Observance |
| Aug 30 | Friday | Int Day of the Victims of Enforced Disappearances | Observance |
| SEPTEMBER |
| Sep 5 | Thursday | Int Day of Charity | Observance |
| Sep 8 | Sunday | Int Literacy Day | Observance |
| Sep 10 | Tuesday | World Suicide Prevention Day | Observance |
| Sep 12 | Thursday | United Nations Day for South South Cooperation | Observance |
| Sep 15 | Sunday | Int Day of Democracy | Observance |
| Sep 16 | Monday | Int Day for the Preservation of the Ozone Layer | Observance |
| Sep 21 | Saturday | Int Day of Peace | Observance |
| Sep 23 | Monday | Int Day of Sign Languages | Observance |
| Sep 26 | Thursday | World Maritime Day | Observance |
| Sep 26 | Thursday | Int Day for the Elimination of Nuclear Weapons | Observance |
| Sep 27 | Friday | World Tourism Day | Observance |
| Sep 28 | Saturday | Int Day for Universal Access to Information | Observance |
| Sep 28 | Saturday | World Rabies Day | Observance |
| Sep 30 | Monday | Int Translation Day | Observance |
| OCTOBER |
| Oct 1 | Tuesday | Int Day of Older Persons | Observance |
| Oct 2 | Wednesday | Int Day of Non Violence | Observance |
| Oct 5 | Saturday | World Teachers Day | Observance |
| Oct 7 | Monday | World Habitat Day | Observance |
| Oct 9 | Wednesday | World Post Day | Observance |
| Oct 10 | Thursday | World Mental Health Day | Observance |
| Oct 11 | Friday | Int Day of the Girl Child | Observance |
| Oct 12 | Saturday | World Migratory Bird Day October | Observance |
| Oct 13 | Sunday | Int Day for Disaster Reduction | Observance |
| Oct 15 | Tuesday | Int Day of Rural Women | Observance |
| Oct 16 | Wednesday | World Food Day | Observance |
| Oct 17 | Thursday | Int Day for the Eradication of Poverty | Observance |
| Oct 24 | Thursday | United Nations Day | Observance |
| Oct 24 | Thursday | World Development Information Day | Observance |
| Oct 27 | Sunday | World Day for Audiovisual Heritage | Observance |
| Oct 31 | Thursday | World Cities Day | Observance |
| NOVEMBER |
| Nov 2 | Saturday | Int Day to End Impunity for Crimes against Journalists | Observance |
| Nov 5 | Tuesday | World Tsunami Awareness Day | Observance |
| Nov 6 | Wednesday | Int Day for Preventing the Exploitation of the Environment in War and Armed Conflict | Observance |
| Nov 10 | Sunday | World Science Day for Peace and Development | Observance |
| Nov 14 | Thursday | World Diabetes Day | Observance |
| Nov 16 | Saturday | Int Day for Tolerance | Observance |
| Nov 17 | Sunday | World Day of Remembrance for Road Traffic Victims | Observance |
| Nov 19 | Tuesday | World Toilet Day | Observance |
| Nov 20 | Wednesday | Africa Industrialization Day | Observance |
| Nov 20 | Wednesday | Universal Childrens Day | Observance |
| Nov 21 | Thursday | World Philosophy Day | Observance |
| Nov 21 | Thursday | World Television Day | Observance |
| Nov 25 | Monday | Int Day for the Elimination of Violence against Women | Observance |
| Nov 29 | Friday | Int Day of Solidarity with the Palestinian People | Observance |
| Nov 30 | Saturday | Day of Remembrance for all Victims of Chemical Warfare | Observance |
| DECEMBER |
| Dec 1 | Sunday | World AIDS Day | Observance |
| Dec 2 | Monday | Int Day for the Abolition of Slavery | Observance |
| Dec 3 | Tuesday | Int Day of Persons with Disabilities | Observance |
| Dec 5 | Thursday | Int Volunteer Day for Economic and Social Development | Observance |
| Dec 5 | Thursday | World Soil Day | Observance |
| Dec 7 | Saturday | Int Civil Aviation Day | Observance |
| Dec 9 | Monday | Int Day of Commemoration Dignity of the Victims of the Crime of Genocide and of the Prevention of this Crime | Observance |
| Dec 9 | Monday | Int Anti Corruption Day | Observance |
| Dec 10 | Tuesday | Human Rights Day | Observance |
| Dec 11 | Wednesday | Int Mountain Day | Observance |
| Dec 12 | Thursday | Int Day of Neutrality | Observance |
| Dec 12 | Thursday | Int Universal Health Coverage Day | Observance |
| Dec 18 | Wednesday | Int Migrants Day | Observance |
| Dec 18 | Wednesday | Arabic Language Day | Observance |
| Dec 20 | Friday | Int Human Solidarity Day | Observance |