13 Jan

Duruthu Full Moon Poya Day

14 Jan

Tamil Thai Pongal Day

4 Feb

National Day

12 Feb

Navam Full Moon Poya Day

14 Feb

Valentine's Day

26 Feb

Mahasivarathri Day

2 Mar

Ramadan Start

13 Mar

Madin Full Moon Poya Day

31 Mar

Eid al-Fitr

12 Apr

Bak Full Moon Poya Day

13 Apr

Sinhala and Tamil New Year's Eve

14 Apr

Sinhala and Tamil New Year's Day

18 Apr

Good Friday

20 Apr

Easter Sunday

1 May

May Day

11 May

Mother's Day

12 May

Vesak Full Moon Poya Day

13 May

Day after Vesak Full Moon Poya Day

7 Jun

Eid al-Adha

10 Jun

Poson Full Moon Poya Day

15 Jun

Father's Day

27 Jun

Muharram

10 Jul

Esala Full Moon Poya Day

8 Aug

Nikini Full Moon Poya Day

5 Sep

Milad-Un-Nabi

7 Sep

Binara Full Moon Poya Day

6 Oct

Vap Full Moon Poya Day

20 Oct

Deepavali

5 Nov

Il Full Moon Poya Day

4 Dec

Unduvap Full Moon Poya Day

24 Dec

Christmas Eve

25 Dec

Christmas Day

January

04 Jan - World Braille Day (A/RES/73/161)

24 Jan - International Day of Education (A/RES/73/25)

27 Jan - International Day of Commemoration in Memory of the Victims of the Holocaust

(A/RES/60/7)

February

01 Feb - 1-7. 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 - World Pulses Day (A/RES/73/251)

11 Feb - International Day of Women and Girls in Science (A/RES/70/212)

13 Feb - World Radio Day (A/RES/67/124)

20 Feb - World Day of Social Justice (A/RES/62/10)

21 Feb - International Mother Language Day (A/RES/56/262)

March 

01 Mar - World Seagrass Day (A/RES/76/265)

01 Mar - Zero Discrimination Day [UNAIDS]

03 Mar - World Wildlife Day (A/RES/68/205)

08 Mar - International Women's Day

10 Mar - International Day of Women Judges (A/RES/75/274)

15 Mar - International Day to Combat Islamophobia (A/RES/76/254)

20 Mar - International Day of Happiness (A/RES/66/281)

20 Mar - French Language Day

21 Mar - International Day for the Elimination of Racial Discrimination (A/RES/2142 (XXI))

21 Mar - World Poetry Day [UNESCO] (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)

21 Mar - International Day of Forests (A/RES/67/200)

22 Mar - World Water Day (A/RES/47/193)

23 Mar - World Meteorological Day (WMO/EC-XII/Res.6)

24 Mar - World Tuberculosis Day

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)

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 - World Health Day (WHA/A.2/Res.35)

07 Apr - International Day of Reflection on the 1994 Genocide against the Tutsi in Rwanda (A/RES/58/234)

12 Apr - International Day of Human Space Flight (A/RES/65/271)

14 Apr - World Chagas Disease Day [WHO]

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)

23 Apr - World Book and Copyright Day [UNESCO] (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

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

28 Apr - International Girls in ICT Day [ITU]

28 Apr - World Day for Safety and Health at Work

30 Apr - International Jazz Day (UNESCO 36 C/Resolution 39)

May 

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]

08 May - Time of Remembrance and Reconciliation for Those Who Lost Their Lives During the Second World War (A/RES/59/26)

10 May - International Day of Argania (A/RES/75/262)

12 May - International Day of Plant Health (A/RES/76/256)

14 May - World Migratory Bird Day

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)

16 May - Vesak, the Day of the Full Moon (A/RES/54/115)

17 May - World Telecommunication and Information Society Day (A/RES/60/252)

20 May - World Bee Day (A/RES/72/211)

21 May - International Tea Day (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)

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)

31 May - World No-Tobacco Day (WHA 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)

12 Jun - World Day Against Child Labour

13 Jun - International Albinism Awareness Day (A/RES/69/170)

14 Jun - World Blood Donor Day (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 - International Day for Countering Hate Speech (A/RES/75/309)

18 Jun - Sustainable Gastronomy Day (A/RES/71/246)

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 - International Widows' Day (A/RES/65/189)

23 Jun - United Nations Public Service Day (A/RES/57/277)

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)

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

03 Jul - International Day of Cooperatives (A/RES/47/90)

07 Jul - World Kiswahili Language Day [UNESCO] (UNESCO GC 41 C/61)

11 Jul - World Population Day (A/RES/45/216)

15 Jul - World Youth Skills Day (A/RES/69/145)

18 Jul - Nelson Mandela International Day (A/RES/64/13)

20 Jul - International Moon Day (A/RES/76/76)

20 Jul - World Chess Day (A/RES/74/22)

25 Jul - World Drowning Prevention Day (A/RES/75/273)

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]

09 Aug - International Day of the World's Indigenous Peoples (A/RES/49/214)

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] (UNESCO 29 C/Resolution 40)

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)

07 Sep - International Day of Clean Air for Blue Skies (A/RES/74/212)

08 Sep - International Literacy Day [UNESCO] (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 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)

21 Sep - International Day of Peace (A/RES/36/67 & )

23 Sep - International Day of Sign Languages (A/RES/72/161)

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 - World Maritime Day

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)

03 Oct - World Habitat Day (A/RES/40/202 A)

04 Oct - World Space Week, 4-10 October (A/RES/54/68)

05 Oct - World Teachers’ Day (UNESCO 27 C/INF.7))

07 Oct - World Cotton Day (A/RES/75/318)

08 Oct - World Migratory Bird Day

09 Oct - World Post Day (UPU/1969/Res.C.11)

10 Oct - World Mental Health Day [WHO]

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 (A/RES/35/70)

17 Oct - International Day for the Eradication of Poverty (A/RES/47/196)

24 Oct - Global Media and Information Literacy Week, 24-31 October (A/RES/75/267)

24 Oct - United Nations Day (A/RES/168 (II))

24 Oct - World Development Information Day (A/RES/3038 (XXVII))

24 Oct - Disarmament Week, 24-30 October (A/RES/S-10/2 (p. 102))

27 Oct - World Day for Audio-visual Heritage [UNESCO] (UNESCO 33/C/Resolution 5)

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)

05 Nov - World Tsunami Awareness Day (A/RES/70/203)

06 Nov - International Day for Preventing the Exploitation of the Environment in War and Armed Conflict (A/RES/56/4)

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)

13 Nov - World Antibiotic Awareness Week, 13-19 November [WHO]

14 Nov - World Diabetes Day (A/RES/61/225)

15 Nov - Day of 8 Billion

16 Nov - International Day for Tolerance [UNESCO] (UNESCO 28 C/Resolution 5.61)

17 Nov - World Philosophy Day [UNESCO] (UNESCO 33 C/Resolution 37)

19 Nov - World Toilet Day (A/RES/67/291)

20 Nov - World Day of Remembrance for Road Traffic Victims (A/RES/60/5)

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)

25 Nov - International Day for the Elimination of Violence against Women (A/RES/54/134)

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 - 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)

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)

18 Dec - International Migrants Day (A/RES/55/93)

18 Dec - Arabic Language Day

20 Dec - International Human Solidarity Day (A/RES/60/209)

27 Dec - International Day of Epidemic Preparedness (A/RES/75/27)