FN har etableret en række dage og uger som bidrag til at målrette verden mod de spørgsmål, som FN har en interesse og et engagement i.

Herunder kan du se de fleste.
Læs mere På United Nations side kan du læse mere om dagene.
| Januar | |
| 27. | International dag til minde om ofrene for Holocaust (International Day of Commemoration in memory of the victims of the Holocaust) |
| Februar | |
| 20. | Verdensdag for social retfærdighed (World Day of Social Justice) |
| 21. | International dag for modersmål (International Mother Language Day) |
| Marts | |
| 8. | International kvindedag (International Women's Day) |
| 21. | International dag for afskaffelse af
raceforskelsbehandling (International Day for the Elimination of Racial Discrimination) |
| 22. | Verdensdag for vand (World Water Day) |
| 23. | Den meteorologiske verdensdag (World Meteorological Day ) |
| April | |
| 4. | International minedag (International Day for Mine Awareness and Assistance in Mine Action) |
| 7. | Verdens sundhedsdag (World Health Day) |
| 23. | Verdensdag for bøger og copyright (World Book and Copyright Day) |
| Maj | |
| 3. | Verdensdag for pressefrihed (World Press Freedom Day) |
| 15. | International familiedag (International Day of Families) |
| 17. | Verdensdag for telekommunikation. Verdensdag for
informationssamfundet (World Information Society Day ) |
| 21. | Verdensdag for kulturel mangfoldighed for dialog og
udvikling (World Day for Cultural Diversity for Dialogue and Development) |
| 22. | International dag for biologisk mangfoldighed (International Day for Biological Diversity) |
| 29. | International dag for FN’s fredsbevarende personel (International Day of United Nations Peacekeepers) |
| 31. | Verdensdag mod tobak (World No-Tobacco Day) |
| Juni | |
| 4. | International dag for børn som er blevet ofre for
aggression (International Day of Innocent Children Victims of Aggression) |
| 5. | Verdens miljødag (World Environment Day) |
| 17. | Verdensdag for bekæmpelse af ørkenudbredelse og tørke
(World Day to Combat Desertification and Drought) |
| 20. | Verdensdag for flygtninge (World Refugee Day) |
| 23. | FN’s dag for offentlige tjenester (United Nations Public Service Day) |
| 26. | - International dag mod misbrug af og handel med
narkotika (International Day Against Drug Abuse and Illicit Trafficking) - International støttedag for torturofre (International Day in Support of Victims of Torture) |
| Juli | |
| Første lørdag | International dag for kooperativer (International Day of Cooperatives) |
| 11. | Verdens befolkningsdag (World Population Day) |
| August | |
| 9. | International dag for verdens oprindelige folk (International Day of the World's Indigenous People) |
| 12. | International ungdomsdag (International Youth Day) |
| 23. | International dag til minde om slavehandel og dens
afskaffelse (International Day for the Remembrance of the Slave Trade and its Abolition) |
| September | |
| 8. | International dag for læse- og skrivefærdighed (International Literacy Day) |
| 10. | Verdensdag for selvmordsforebyggelse (World Suicide Prevention Day) |
| 15. | International dag for demokrati (International Day of Democracy) |
| 16. | International dag for bevarelse af ozonlaget (International Day for the Preservation of the Ozone Layer) |
| 21. | International fredsdag (International Day of Peace) |
| Sidste uge | Verdens søfartsdag (World Maritime Day) |
| Oktober | |
| 1. | International dag for ældre (International Day for Older Persons) |
| Første uge | Verdens rumfarts uge (World Space Week) |
| 2. | International dag for ikke-vold |
| 5. | International dag for lærere (World Teacher's Day) |
| 9. | Verdenspostunionens dag (World Post Day) |
| Anden onsdag | International dag for forhindring af naturkatastrofer
(International Day for Natural Disaster Reduction) |
| 10. | International dag for mental sundhed (World Mental Health Day) |
| 16. | Verdens fødevaredag (World Food Day) |
| 17. | International dag for udryddelse af fattigdom (International Day for the Eradication of Proverty) |
| 24. | - FN-dagen (United Nations Day) - Verdensdag for information om udviklingsspørgsmål (World Development Information Day) |
| November | |
| 6. | International dag mod ødelæggelse af miljøet i krig og
under væbnede konflikter (International Day for Preventing the Exploitation of the Environment in War and Armed Conflict) |
| 14. | Verdens diabetesdag (World Diabetes Day) |
| 16. | International dag for tolerance (International Day of Tolerance) |
| Tredje søndag | International mindedag for trafikofre (World Day of Remembrance for Road Traffic Victims) |
| 20. | - Industrialiseringsdag for Afrika (Africa Industrialization Day) - International børnedag (Universal Children's Day) |
| 21. | Verdens tv-dag (World Television Day) |
| 25. | International dag for afskaffelse af vold mod kvinder
(International Day for the Elimination of Violence against Women) |
| 29. | International solidaritetsdag for det palæstinensiske folk (International Day of Solidarity with the Palestinian People) |
| December | |
| 1. | Verdens aids-dag (World AIDS Day) |
| 2. | International dag for udryddelse af slaveri (International Day for the Abolition of Slavery) |
| 3. | International dag for handikappede (International Day of Disabled Persons) |
| 5. | International dag for frivilligt arbejde for økonomisk
og social udvikling (International Volunteer Day for Economic and Social Development) |
| 7. | International dag for civil luftfart (International Civil Aviation Day) |
| 9. | International antikorruptions dag (International Anti-Corruption Day |
| 10. | Menneskerettighedsdag (Human Rights Day) |
| 11. | International bjergdag (International Mountain Day) |
| 18. | International dag for migranter (International Migrants Day) |
| 19. | FN-dag for samarbejde mellem udviklingslande (United Nations Day for South-South Cooperation) |
| 20. | International solidaritetsdag (International Human Solidarity Day) |