List of International Days and Weeks
The United Nations designates a number of International Days and Weeks each year to promote global awareness, reflection, and action on pressing issues that impact people and the planet. These observances serve as key moments to engage governments, organizations, and individuals in advancing peace, sustainable development, human rights, and international cooperation. Rooted in United Nations resolutions and supported by UN system entities, each observance reinforces the values of the UN Charter and the commitments outlined in the 2030 Agenda for Sustainable Development. Browse the calendar to explore how the international community unites throughout the year to uphold shared global priorities.
The following list of international days and weeks was obtained from the official websites of UN Headquarters, FAO, UNESCO, UNOOSA, and WHO:
January
04 Jan | World Braille Day (A/RES/73/161)
14 Jan | World Logic Day [UNESCO]
24 Jan | International Day of Education (A/RES/73/25)
25 Jan | International Day of Women in Multilateralism [UNESCO]
26 Jan | International Day of Clean Energy (A/RES/77/327)
27 Jan | International Day of Commemoration in Memory of the Victims of the Holocaust (A/RES/60/7)
28 Jan | International Day of Peaceful Coexistence (A/RES/79/269)
30 Jan | World Neglected Tropical Diseases Day [WHO]
February
01 Feb | World Interfaith Harmony Week, 1-7 February (A/RES/65/5)
02 Feb | World Wetlands Day (A/RES/75/317)
04 Feb | International Day of Human Fraternity (A/RES/75/200)
06 Feb | International Day of Zero Tolerance to Female Genital Mutilation (A/RES/67/146)
10 Feb | International Day of the Arabian Leopard (A/RES/77/295)
10 Feb | World Pulses Day [FAO] (A/RES/73/251)
11 Feb | International Day of Women and Girls in Science (A/RES/70/212)
12 Feb | International Day for the Prevention of Violent Extremism as and when Conducive to Terrorism (A/RES/77/243)
13 Feb | World Radio Day (A/RES/67/124)
17 Feb | Global Tourism Resilience Day (A/RES/77/269)
20 Feb | World Day of Social Justice (A/RES/62/10)
21 Feb | International Mother Language Day (A/RES/56/262)
March
01 Mar | Zero Discrimination Day
01 Mar | World Seagrass Day (A/RES/76/265)
03 Mar | World Wildlife Day (A/RES/68/205)
04 Mar | World Engineering Day for Sustainable Development [UNESCO]
05 Mar | International Day for Disarmament and Non-Proliferation Awareness (A/RES/77/51)
08 Mar | International Women's Day
10 Mar | International Day of Women Judges (A/RES/75/274)
14 Mar | International Day of Mathematics [UNESCO]
15 Mar | International Day to Combat Islamophobia (A/RES/76/254)
19 Mar | International Day for Digital Learning [UNESCO]
20 Mar | International Day of Happiness (A/RES/66/281)
20 Mar | French Language Day
21 Mar | World Day for Glaciers (A/RES/77/158)
21 Mar | International Day of Forests [FAO] (A/RES/67/200)
21 Mar | Week of Solidarity with the Peoples Struggling against Racism and Racial Discrimination, 21-27 March (A/RES/34/24)
21 Mar | International Day for the Elimination of Racial Discrimination (A/RES/2142 (XXI))
21 Mar | World Poetry Day [UNESCO] (30 C/Resolution 29)
21 Mar | International Day of Nowruz (A/RES/64/253)
21 Mar | World Down Syndrome Day (A/RES/66/149)
22 Mar | World Water Day (A/RES/47/193)
23 Mar | World Meteorological Day [WMO] (WMO/EC-XII/Res.6)
24 Mar | World Tuberculosis Day [WHO]
24 Mar | International Day for the Right to the Truth concerning Gross Human Rights Violations and for the Dignity of Victims (A/RES/65/196)
25 Mar | International Day of Remembrance of the Victims of Slavery and the Transatlantic Slave Trade (A/RES/62/122)
25 Mar | International Day of Solidarity with Detained and Missing Staff Members (A/RES/49/59)
30 Mar | International Day of Zero Waste (A/RES/77/161)
April
02 Apr | World Autism Awareness Day (A/RES/62/139)
04 Apr | International Day for Mine Awareness and Assistance in Mine Action (A/RES/60/97)
05 Apr | International Day of Conscience (A/RES/73/329)
06 Apr | International Day of Sport for Development and Peace (A/RES/67/296)
07 Apr | International Day of Reflection on the 1994 Genocide against the Tutsi in Rwanda (A/RES/58/234)
07 Apr | World Health Day [WHO] (WHA/A.2/Res.35)
12 Apr | International Day of Human Space Flight (A/RES/65/271)
14 Apr | World Chagas Disease Day [WHO]
15 Apr | World Art Day [UNESCO]
20 Apr | Chinese Language Day
21 Apr | World Creativity and Innovation Day (A/RES/71/284)
22 Apr | International Mother Earth Day (A/RES/63/278)
24 Apr | International Girls in ICT Day [ITU]
23 Apr | World Book and Copyright Day [UNESCO] (28 C/Resolution 3.18)
23 Apr | English Language Day
23 Apr | Spanish Language Day
24 Apr | World Immunization Week, 24-30 April [WHO]
24 Apr | International Day of Multilateralism and Diplomacy for Peace (A/RES/73/127)
25 Apr | World Malaria Day [WHO]
25 Apr | International Delegate’s Day (A/RES/73/286)
26 Apr | International Chernobyl Disaster Remembrance Day (A/RES/71/125)
26 Apr | World Intellectual Property Day [WIPO]
28 Apr | World Day for Safety and Health at Work
29 Apr | International Day in Memory of the Victims of Earthquakes (A/RES/79/285)
30 Apr | International Jazz Day (UNESCO 36 C/Resolution 39)
May
01 May | Vesak, the Day of the Full Moon (A/RES/54/115)
02 May | World Tuna Day (A/RES/71/124)
03 May | World Press Freedom Day (UNESCO 26 C/Resolution 4.3)
05 May | World Portuguese Language Day [UNESCO] (40 C/Resolution/75)
05 May | African World Heritage Day [UNESCO]
08 May | Time of Remembrance and Reconciliation for Those Who Lost Their Lives During the Second World War (A/RES/59/26)
10 May | World Migratory Bird Day [UNEP]
10 May | International Day of Argania (A/RES/75/262)
12 May | International Day of Plant Health [FAO] (A/RES/76/256)
15 May | International Day of Families (A/RES/47/237)
16 May | International Day of Living Together in Peace (A/RES/72/130)
16 May | International Day of Light [UNESCO] (39 C/Resolution 16)
17 May | World Telecommunication and Information Society Day (A/RES/60/252)
19 May | World Fair Play Day (A/RES/78/310)
20 May | World Bee Day [FAO] (A/RES/72/211)
20 May | World Metrology Day [UNESCO]
21 May | International Tea Day [FAO] (A/RES/74/241)
21 May | World Day for Cultural Diversity for Dialogue and Development (A/RES/57/249)
22 May | International Day for Biological Diversity (A/RES/55/201)
23 May | International Day to End Obstetric Fistula (A/RES/67/147)
24 May | International Day of the Markhor (A/RES/78/278)
25 May | World Football Day (A/RES/78/281)
25 May | Week of Solidarity with the Peoples of Non-Self-Governing Territories, 25-31 May (A/RES/54/91)
29 May | International Day of UN Peacekeepers (A/RES/57/129)
30 May | International Day of Potato [FAO] (A/RES/78/123)
31 May | World No-Tobacco Day [WHO] (Resolution 42.19)
June
01 Jun | Global Day of Parents (A/RES/66/292)
03 Jun | World Bicycle Day (A/RES/72/272)
04 Jun | International Day of Innocent Children Victims of Aggression (A/RES/ES-7/8)
05 Jun | World Environment Day (A/RES/2994 (XXVII))
05 Jun | International Day for the Fight against Illegal, Unreported and Unregulated Fishing (A/RES/72/72)
06 Jun | Russian Language Day
07 Jun | World Food Safety Day (A/RES/73/250)
08 Jun | World Oceans Day (A/RES/63/111)
10 Jun | International Day for Dialogue among Civilizations (A/RES/78/286)
11 Jun | International Day of Play (A/RES/78/268)
12 Jun | World Day Against Child Labour
13 Jun | International Albinism Awareness Day (A/RES/69/170)
14 Jun | World Blood Donor Day [WHO] (WHA Resolution 58.13)
15 Jun | World Elder Abuse Awareness Day (A/RES/66/127)
16 Jun | International Day of Family Remittances (A/RES/72/281)
17 Jun | World Day to Combat Desertification and Drought (A/RES/49/115)
18 Jun | Sustainable Gastronomy Day [FAO] (A/RES/71/246)
18 Jun | International Day for Countering Hate Speech (A/RES/75/309)
19 Jun | International Day for the Elimination of Sexual Violence in Conflict (A/RES/69/293)
20 Jun | World Refugee Day (A/RES/55/76)
21 Jun | International Day of Yoga (A/RES/69/131)
21 Jun | International Day of the Celebration of the Solstice (A/RES/73/300)
23 Jun | United Nations Public Service Day (A/RES/57/277)
23 Jun | International Widows' Day (A/RES/65/189)
24 Jun | International Day of Women in Diplomacy (A/RES/76/269)
25 Jun | Day of the Seafarer [IMO] (STCW/CONF.2/DC/4)
26 Jun | International Day against Drug Abuse and Illicit Trafficking (A/RES/42/112)
26 Jun | United Nations International Day in Support of Victims of Torture (A/RES/52/149)
27 Jun | Micro-, Small and Medium-sized Enterprises Day (A/RES/71/279)
27 Jun | International Day of Deafblindness (A/RES/79/294)
29 Jun | International Day of the Tropics (A/RES/71/279)
30 Jun | International Asteroid Day (A/RES/71/90)
30 Jun | International Day of Parliamentarism (A/RES/72/278)
July
05 Jul | International Day of Cooperatives (A/RES/47/90)
06 Jul | World Rural Development Day (A/RES/78/326)
07 Jul | World Kiswahili Language Day (A/RES/78/312)
11 Jul | International Day of Reflection and Commemoration of the 1995 Genocide in Srebrenica (A/RES/78/282)
11 Jul | World Population Day (A/RES/45/216)
11 Jul | World Horse Day (A/RES/79/291)
12 Jul | International Day of Combating Sand and Dust Storms (A/RES/77/294)
12 Jul | International Day of Hope (A/RES/79/270)
15 Jul | World Youth Skills Day (A/RES/69/145)
18 Jul | Nelson Mandela International Day (A/RES/64/13)
20 Jul | World Chess Day (A/RES/74/22)
20 Jul | International Moon Day (A/RES/76/76)
25 Jul | World Drowning Prevention Day (A/RES/75/273)
25 Jul | International Day for Judicial Well-being (A/RES/79/266)
25 Jul | International Day of Women and Girls of African Descent (A/RES/78/323)
26 Jul | International Day for the Conservation of the Mangrove Ecosystem [UNESCO]
28 Jul | World Hepatitis Day [WHO]
30 Jul | International Day of Friendship (A/RES/65/275)
30 Jul | World Day against Trafficking in Persons (A/RES/68/192)
August
01 Aug | World Breastfeeding Week, 1-7 August [WHO]
06 Aug | International Day of Awareness of the Special Development Needs and Challenges of Landlocked Developing Countries (A /79/L.108)
09 Aug | International Day of the World's Indigenous Peoples (A/RES/49/214)
11 Aug | World Steelpan Day (A/RES/77/316)
12 Aug | International Youth Day (A/RES/54/120)
19 Aug | World Humanitarian Day (A/RES/63/139)
21 Aug | International Day of Remembrance and Tribute to the Victims of Terrorism (A/RES/72/165)
22 Aug | International Day Commemorating the Victims of Acts of Violence Based on Religion or Belief (A/RES/73/296)
23 Aug | International Day for the Remembrance of the Slave Trade and Its Abolition [UNESCO] (29 C/Resolution 40)
27 Aug | World Lake Day (A/RES/79/142)
29 Aug | International Day against Nuclear Tests (A/RES/64/35)
30 Aug | International Day of the Victims of Enforced Disappearances (A/RES/65/209)
31 Aug | International Day for People of African Descent (A/RES/75/170)
September
05 Sep | International Day of Charity (A/RES/67/105)
05 Sep | International Day of the World’s Indigenous Women and Girls (A/RES/80/10)
07 Sep | International Day of Clean Air for Blue Skies [UNEP] (A/RES/74/212)
07 Sep | International Day of Police Cooperation (A/RES/77/241)
07 Sep | World Duchenne Awareness Day (A/RES/78/12)
08 Sep | International Literacy Day [UNESCO] (14 C/Resolution 1.441)
09 Sep | International Day to Protect Education from Attack (A/RES/74/275)
12 Sep | United Nations Day for South-South Cooperation (A/RES/58/220)
15 Sep | International Day of Democracy (A/RES/62/7)
16 Sep | International Day of Science, Technology and Innovation for the South (A/RES/78/259)
16 Sep | International Day for Interventional Cardiology (A/RES/76/302)
16 Sep | International Day for the Preservation of the Ozone Layer (A/RES/49/114)
17 Sep | World Patient Safety Day [WHO]
18 Sep | International Equal Pay Day (A/RES/74/142)
20 Sep | World Cleanup Day (A/RES/78/122)
20 Sep | International Day of University Sport [UNESCO]
21 Sep | International Day of Peace (A/RES/36/67)
23 Sep | International Day of Sign Languages (A/RES/72/161)
25 Sep | World Maritime Day
26 Sep | International Day for the Total Elimination of Nuclear Weapons (A/RES/68/32)
27 Sep | World Tourism Day
28 Sep | International Day for Universal Access to Information (A/RES/74/5)
29 Sep | International Day of Awareness of Food Loss and Waste (A/RES/74/209)
30 Sep | International Translation Day (A/RES/71/288)
October
01 Oct | International Day of Older Persons (A/RES/45/106)
02 Oct | International Day of Non-Violence (A/RES/61/271)
04 Oct | World Space Week, 4-10 October (A/RES/54/68)
05 Oct | World Teachers’ Day [UNESCO] (27 C/INF.7)
06 Oct | World Habitat Day (A/RES/40/202 A)
06 Oct | International Geodiversity Day [UNESCO]
07 Oct | World Cotton Day (A/RES/75/318)
09 Oct | World Post Day
10 Oct | World Mental Health Day [WHO]
11 Oct | World Migratory Bird Day [UNEP]
11 Oct | International Day of the Girl Child (A/RES/66/170)
13 Oct | International Day for Disaster Risk Reduction (A/RES/64/200)
15 Oct | International Day of Rural Women (A/RES/62/136)
16 Oct | World Food Day [FAO] (A/RES/35/70)
17 Oct | International Day for the Eradication of Poverty (A/RES/47/196)
17 Oct | International Day of the Intangible Cultural Heritage [UNESCO]
23 Oct | International Day of the Snow Leopard (A/RES/79/143)
24 Oct | World Development Information Day (A/RES/3038 (XXVII))
24 Oct | Global Media and Information Literacy Week, 24-31 October (A/RES/75/267)
24 Oct | Disarmament Week, 24-30 October (A/RES/S-10/2 (p. 102))
24 Oct | United Nations Day (A/RES/168 (II))
27 Oct | World Day for Audiovisual Heritage [UNESCO] (33/C/Resolution 5)
29 Oct | International Day of Care and Support (A/RES/77/317)
29 Oct | World Coding Day [UNESCO]
31 Oct | World Cities Day (A/RES/68/239)
November
02 Nov | International Day to End Impunity for Crimes against Journalists (A/RES/68/163)
03 Nov | International Day for Biosphere Reserves [UNESCO]
05 Nov | World Tsunami Awareness Day (A/RES/70/203)
05 Nov | World Day of Romani Language [UNESCO]
06 Nov | International Day for Preventing the Exploitation of the Environment in War and Armed Conflict (A/RES/56/4)
06 Nov | International Day against Violence and Bullying at School, including Cyberbullying [UNESCO]
09 Nov | International Week of Science and Peace, 9-15 November (A/RES/43/61)
10 Nov | World Science Day for Peace and Development (UNESCO 31 C/Resolution 20)
14 Nov | World Diabetes Day (A/RES/61/225)
14 Nov | International Day against Illicit Trafficking in Cultural Property [UNESCO]
15 Nov | International Day for the Prevention of and Fight against All Forms of Transnational Organized Crime (A/RES/78/267)
15 Nov | World Prematurity Day [WHO]
16 Nov | International Day for Tolerance [UNESCO]
17 Nov | World Day of Remembrance for Road Traffic Victims (A/RES/60/5)
17 Nov | World Cervical Cancer Elimination Day [WHO]
16 Nov | International Day for Tolerance [UNESCO] (28 C/Resolution 5.61)
18 Nov | World Antimicrobial Resistance Awareness Week, 18-24 November [WHO]
18 Nov | World Day for the Prevention of and Healing from Child Sexual Exploitation, Abuse and Violence (A/RES/77/8)
18 Nov | International Day of Islamic Art [UNESCO]
19 Nov | World Toilet Day (A/RES/67/291)
21 Nov | World Philosophy Day [UNESCO] (33 C/Resolution 37)
20 Nov | Africa Industrialization Day (A/RES/44/237)
20 Nov | World Children's Day (A/RES/836(IX))
21 Nov | World Television Day (A/RES/51/205)
24 Nov | World Conjoined Twins Day (A/RES/78/313)
25 Nov | International Day for the Elimination of Violence against Women (A/RES/54/134)
26 Nov | World Sustainable Transport Day (A/RES/77/286)
26 Nov | World Olive Tree Day [UNESCO]
29 Nov | International Day of Solidarity with the Palestinian People (A/RES/32/40B)
30 Nov | Day of Remembrance for all Victims of Chemical Warfare (OPCW C-20/DEC.10)
December
01 Dec | World AIDS Day
02 Dec | World Futures Day [UNESCO]
02 Dec | International Day for the Abolition of Slavery (A/RES/317(IV))
03 Dec | International Day of Persons with Disabilities (A/RES/47/3)
04 Dec | International Day of Banks (A/RES/74/245)
04 Dec | International Day Against Unilateral Coercive Measures (A/RES/79/293)
05 Dec | International Volunteer Day for Economic and Social Development (A/RES/40/212)
05 Dec | World Soil Day (A/RES/68/232)
07 Dec | International Civil Aviation Day (A/RES/51/33)
09 Dec | International Day of Commemoration and Dignity of the Victims of the Crime of Genocide and of the Prevention of this Crime (A/RES/69/323)
09 Dec | International Anti-Corruption Day (A/RES/58/4)
10 Dec | Human Rights Day (A/RES/423 (V))
11 Dec | International Mountain Day (A/RES/57/245)
12 Dec | International Day of Neutrality (A/RES/71/275)
12 Dec | International Universal Health Coverage Day (A/RES/72/138)
14 Dec | International Day against Colonialism in All its Forms and Manifestations (A/RES/80/106)
18 Dec | Arabic Language Day
18 Dec | International Migrants Day (A/RES/55/93)
20 Dec | International Human Solidarity Day (A/RES/60/209)
21 Dec | World Meditation Day (A/RES/79/137)
21 Dec | World Basketball Day (A/RES/77/324)
24 Dec | International Anti-Cybercrime Day (A/RES/79/243)
27 Dec | International Day of Epidemic Preparedness (A/RES/75/27)
This content was previously published and is a compilation of information from the following webpages:
UN entities involved in this initiative
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