This is a month wise list of Important Days or International Days published in this site. This includes International Days established by UN General Assembly. Click on the name to know more about the day.
Important Days or International Days in January
4 January: World Louis Braille Day [Organized by World Braille Foundation, UN]
24 January: International Day of Education [Organized by UN, UNESCO]
27 January: International Day of Commemoration in Memory of the Victims of the Holocaust [Organized by UN, UNESCO]
Important Days or International Days in February
4 February: World Cancer Day [Organized by UICC, WHO, IARC]
6 February: International Day of Zero Tolerance to Female Genital Mutilation [Organized by UN]
11 February: International Day of Women and Girls in Science [Organized by UNESCO and UN-Women]
13 February: World Radio Day [Organized by UNESCO]
20 February: World Day of Social Justice [Organized by UN and ILO]
21 February: International Mother Language Day [Organized by UNESCO]
Important Days or International Days in March
1 March: Zero Discrimination Day [Organized by UN, UNAIDS]
3 March: World Wildlife Day [Organized by UN, CITES]
8 March: International Women’s Day [Organized by UN]
20 March: International Day of Happiness [Organized by UN]
20 March: French Language Day (French)
21 March: International Day for the Elimination of Racial Discrimination [Organized by UN]
21 March: World Poetry Day [Organized by UNESCO]
21 March: International Day of Nowruz [Organized by UNESCO]
21 March: World Down Syndrome Day [Organized by UN, WHO]
21 March: International Day of Forests [Organized by UN]
22 March: World Water Day [Organized by UN]
23 March: World Meteorological Day [Organized by UN, WMO]
24 March: World Tuberculosis Day [Organized by WHO]
24 March: International Day for the Right to the Truth concerning Gross Human Rights Violations and for the Dignity of Victims [Organized by UN]
25 March: International Day of Remembrance of the Victims of Slavery and the Transatlantic Slave Trade [Organized by UN]
25 March: International Day of Solidarity with Detained and Missing Staff Members [Organized by UN]
Important Days or International Days in April
2 April: World Autism Awareness Day [Organized by UN, WHO]
4 April: International Day for Mine Awareness and Assistance in Mine Action [Organized by UN]
6 April: International Day of Sport for Development and Peace [Organized by UN]
7 April: International Day of Reflection on the Genocide in Rwanda [Organized by UN]
7 April: World Health Day [Organized by WHO, UN]
12 April: International Day of Human Space Flight [Organized by UN]
20 April: Chinese Language Day (Chinese)
21 April: World Creativity and Innovation Day [Organized by UN, UNESCO]
22 April: International Mother Earth Day [Organized by UN]
23 April: World Book and Copyright Day [Organized by UNESCO]
23 April: English Language Day [Organized by UNESCO]
23 April: Spanish Language Day (Spanish)
25 April: World Malaria Day [Organized by WHO]
26 April: International Chernobyl Disaster Remembrance Day [Organized by UN]
26 April: World Intellectual Property Day [Organize by WIPO]
28 April: World Day for Safety and Health at Work [Organized by UN, ILO]
29 April: Day of Remembrance for all Victims of Chemical Warfare [Organized by UN]
30 April: International Jazz Day [Organized by UNESCO, UN]
Important Days or International Days in May
2 May: World Tuna Day [Organized by UN, FAO]
3 May: World Press Freedom Day [Organized by UNESCO, UN]
8 – 9 May: Time of Remembrance and Reconciliation for Those Who Lost Their Lives During the Second World War [Organized by UN]
Second Weekend (Saturday) of May: World Migratory Bird Day [Organized by UNEP]
On the full moon of the month of Vesakha (in May or in June): “Vesak”, the Day of the Full Moon [Organized by UN]
15 May: International Day of Families [Organized by UN]
16 May: International Day of Living Together in Peace [Organized by UN]
16 May: International Day of Light [Organized by UNESCO, UN]
17 May: World Telecommunication and Information Society Day [Organized by UN, UNESCO]
20 May: World Bee Day [Organized by UN, FAO]
21 May: World Day for Cultural Diversity for Dialogue and Development [Organized by UN, UNESCO]
22 May: International Day for Biological Diversity [Organized by UN]
23 May: International Day to End Obstetric Fistula [Organized by UN, UNFPA]
29 May: International Day of UN Peacekeepers [Organized by UN]
31 May: World No-Tobacco Day [Organized by WHO, UN]
Important Days or International Days in June
1 June: Global Day of Parents [Organized by UN]
3 June: World Bicycle Day [Organized by UN]
4 June: International Day of Innocent Children Victims of Aggression [Organized bu UN]
5 June: World Environment Day [Organized by UN]
5 June: International Day for the Fight against Illegal, Unreported and Unregulated Fishing [Organized by UN, FAO]
6 June: Russian Language Day (Russian)
8 June: World Oceans Day [Organized by UN]
12 June: World Day Against Child Labour [Organized by UN, ILO]
13 June: International Albinism Awareness Day [Organized by UN, UNESCO]
14 June: World Blood Donor Day [Organized by UN, WHO]
15 June: World Elder Abuse Awareness Day [Observed by UN]
16 June: International Day of Family Remittances [Organized by UN]
17 June: World Day to Combat Desertification and Drought [Organized by UN]
18 June: Sustainable Gastronomy Day [Organized by UN, UNESCO, FAO]
19 June: International Day for the Elimination of Sexual Violence in Conflict [Organized by UN]
20 June: World Refugee Day [Organized by UN, UNHCR]
21 June: International Day of Yoga [Organized by UN]
23 June: United Nations Public Service Day [Organized by UN]
23 June: International Widows’ Day [Organized by UN]
25 June: Day of the Seafarer [Organized by UN, IMO]
26 June: International Day against Drug Abuse and Illicit Trafficking [Organized by UN]
26 June: United Nations International Day in Support of Victims of Torture [Organized by UN]
27 June: Micro, Small and Medium-sized Enterprises Day [Organized by UN, ICSB, ILO]
29 June: International Day of the Tropics [Organized by UN]
30 June: International Asteroid Day [Organized by UN]
30 June: International Day of Parliamentarism [Organized by UN]
Important Days or International Days in July
First Saturday in July: International Day of Cooperatives [Organized by ICA, UN]
11 July: World Population Day [Organized by UNDP, UNFPA]
15 July: World Youth Skills Day
18 July: Nelson Mandela International Day [Organized by UN]
28 July: World Hepatitis Day [Organized by WHO, UN]
30 July: International Day of Friendship [Organized by UN]
30 July: World Day against Trafficking in Persons [Organized by UN, UNODC, ICAT]
Important Days or International Days in August
9 August: International Day of the World’s Indigenous Peoples [Organized by UN]
12 August: International Youth Day [Organized by UN, UNESCO]
19 August: World Humanitarian Day [Organized by UN]
21 August: International Day of Remembrance and Tribute to the Victims of Terrorism
23 August: International Day for the Remembrance of the Slave Trade and Its Abolition [Organized by UN, UNESCO]
29 August: International Day against Nuclear Tests [Organized by UN]
30 August: International Day of the Victims of Enforced Disappearances [Organized by UN]
Important Days or International Days in September
5 September: International Day of Charity [Organized by UN]
8 September: International Literacy Day [organized by UN, UNESCO]
10 September: World Suicide Prevention Day [Organized by WHO, IASP, WFMH]
12 September: United Nations Day for South-South Cooperation [Organized by UN]
15 September: International Day of Democracy [Organized by UN]
16 September: International Day for the Preservation of the Ozone Layer [Organized by UN]
21 September: International Day of Peace [Organized by UN]
23 September: International Day of Sign Languages [Organized by UN]
26 September: International Day for the Total Elimination of Nuclear Weapons [Organized by UN]
27 September: World Tourism Day [Organized by UN, UNWTO]
28 September: International Day for Universal Access to Information [UNESCO]
28 September: World Rabies Day [WHO]
Last Thursday of September: World Maritime Day [Organized by UN, IMO]
30 September: International Translation Day
Important Days or International Days in October
1 October: International Day of Older Persons [Organized by UN]
2 October: International Day of Non-Violence [Organized by UN]
First Monday in October: World Habitat Day [Organized by UN]
5 October: World Teachers’ Day [Organized by UN, UNESCO]
9 October: World Post Day [Organized by UN, UPU, UNESCO]
10 October: World Mental Health Day [WHO]
11 October: International Day of the Girl Child [Organized by UN]
13 October: International Day for Disaster Reduction [Organized by UN]
15 October: International Day of Rural Women [Organized by UN]
16 October: World Food Day [Organized by UN, FAO]
17 October: International Day for the Eradication of Poverty [Organized by UN]
20 October (every five years, beginning in 2010): World Statistics Day [Organized by UN]
24 October: United Nations Day [Organized by UN]
24 October: World Development Information Day [Organized by UN]
27 October: World Day for Audiovisual Heritage [Organized by UN, UNESCO]
31 October: World Cities Day
Important Days or International Days in November
2 November: International Day to End Impunity for Crimes against Journalists [Organized by UN, IFEX, UNESCO]
5 November: World Tsunami Awareness Day
6 November: International Day for Preventing the Exploitation of the Environment in War and Armed Conflict [Organized by UN, UNEP]
10 November: World Science Day for Peace and Development [Organized by UN, IFEX, UNESCO]
14 November: World Diabetes Day [Organized by UN, WHO, IDF]
16 November: International Day for Tolerance [Organized by UN, UNESCO]
Third Thursday in November: World Philosophy Day [Organized by UN, UNESCO]
19 November: World Toilet Day [Organized by UN, WHO, UNICEF, WTO, UN Water]
Third Sunday in November: World Day of Remembrance for Road Traffic Victims [Organized by UN, WHO, RoadPeace]
20 November: Africa Industrialization Day [Organized by UN, UNIDO]
20 November: Universal Children’s Day [Organized by UN, UNICEF]
21 November: World Television Day [Organized by UN]
25 November: International Day for the Elimination of Violence against Women [Organized by UN, UNWOMEN, UNESCO]
29 November: International Day of Solidarity with the Palestinian People [Organized by UN]
Important Days or International Days in December
1 December: World AIDS Day [Organized by UN, WHO]
2 December: International Day for the Abolition of Slavery [Organized by UN, ILO]
3 December: International Day of Persons with Disabilities [Organized by UN, UNESCO]
5 December: International Volunteer Day for Economic and Social Development [Organized by UN]
5 December: World Soil Day [Organized by UN, FAO]
7 December: International Civil Aviation Day [Organized by UN, ICAO]
9 December: International Day of Commemoration and Dignity of the Victims of the Crime of Genocide and of the Prevention of this Crime [Organized by UN]
9 December: International Anti-Corruption Day [Organized by UN, UNODC, UNDP]
10 December: Human Rights Day [Organized by UN]
11 December: International Mountain Day [Organized by UN, FAO]
12 December: International Day of Neutrality
12 December: International Universal Health Coverage Day [Organized by UN, WHO, UNICEF]
18 December: International Migrants Day [Organized by UN, WHO, IOM]
18 December: Arabic Language Day (Arabic)
20 December: International Human Solidarity Day [Organized by UN]