Important International Days and Dates Month-wise
List of Important Days in January
| Date | Name |
| 04. January | World Braille Day |
| 24. January | International Day of Education |
| 27. January | International Day of Commemoration in Memory of the Victims of the Holocaust |
List of Important Days in February
| Date | Name |
| 4. February | World Cancer Day |
| 6. February | International Day of Zero Tolerance to Female Genital Mutilation |
| 10. February | World Pulses Day |
| 11. February | International Day of Women and Girls in Science |
| 13. February | World Radio Day |
| 20. February | World Day of Social Justice |
| 21. February | International Mother Language Day |
List of Important Days in March
| Date | Name |
| 1. March | Zero Discrimination Day |
| 3. March | World Wildlife Day |
| 10. February | World Pulses Day |
| 8. March | International Women’s Day |
| 20. March | International Day of Happiness |
| 21. March | International Day for the Elimination of Racial Discrimination |
| 21. March | World Poetry Day |
| 21. March | International Day of Nowruz [Persian New Year] |
| 21. March | World Down Syndrome Day |
| 21. March | International Day of Forests |
| 22. March | World Water Day |
| 23. March | World Meteorological Day |
| 24. March | World Tuberculosis Day |
| 24. March | International Day for the Right to the Truth concerning Gross Human Rights Violations and for the Dignity of Victims |
| 25. March | International Day of Remembrance of the Victims of Slavery and the Transatlantic Slave Trade |
| 25. March | International Day of Solidarity with Detained and Missing Staff Members |
List of Important Days in April
| 2. April | World Autism Awareness Day |
| 4. April | International Day for Mine Awareness and Assistance in Mine Action |
| 5. April | International Day of Conscience |
| 6. April | International Day of Sport for Development and Peace |
| 7. April | International Day of Reflection on the 1994 Genocide in Rwanda |
| 7. April | World Health Day |
| 12. April | International Day of Human Space Flight |
| 18. April | International Day For Monuments and Sites |
| 21. April | World Creativity and Innovation Day |
| 22. April | Earth Day |
| 23. April | World Book and Copyright Day |
| 24. April | International Day of Multilateralism and Diplomacy for Peace |
| 25. April | International Delegate’s Day |
| 25. April | World Malaria Day |
| 26. April | International Chernobyl Disaster Remembrance Day |
| 26. April | World Intellectual Property Day |
| 28. April | World Day for Safety and Health at Work |
| 29. April | Day of Remembrance for all Victims of Chemical Warfare |
| 29. April | International Dance Day |
| 30. April | International Jazz Day |
List of Important Days in May
| 2. May | World Tuna Day |
| 3. May | World Press Freedom Day |
| 8.-9. May | Time of Remembrance and Reconciliation for Those Who Lost Their Lives During the Second World War |
| 15. May | International Day of Families |
| 16. May | International Day of Living Together in Peace |
| 16. May | International Day of Light |
| 17. May | World Telecommunication and Information Society Day |
| 20. May | World Bee Day |
| 21. May | World Tea Day |
| 21. May | World Day for Cultural Diversity for Dialogue and Development |
| 22. May | International Day for Biological Diversity |
| 23. May | International Day to End Obstetric Fistula |
| 29. May | International Day of UN Peacekeepers |
| 31. May | World No-Tobacco Day |
List of Important Days in June
| 1. June | Global Day of Parents |
| 3. June | World Bicycle Day |
| 4. June | International Day of Innocent Children Victims of Aggression |
| 5. June | World Environment Day |
| 5. June | International Day for the Fight against Illegal, Unreported and Unregulated Fishing |
| 7. June | World Food Safety Day |
| 8. June | World Oceans Day |
| 12. June | World Day Against Child Labour |
| 13. June | International Albinism Awareness Day |
| 14. June | World Blood Donor Day |
| 15. June | World Elder Abuse Awareness Day |
| 16. June | International Day of Family Remittances |
| 17. June | World Day to Combat Desertification and Drought |
| 18. June | Sustainable Gastronomy Day |
| 19. June | International Day for the Elimination of Sexual Violence in Conflict |
| 20. June | World Refugee Day |
| 21. June | International Day of Yoga |
| 21. June | International Day of the Celebration of the Solstice |
| 23. June | United Nations Public Service Day |
| 23. June | International Widows’ Day |
| 25. June | Day of the Seafarer |
| 26. June | International Day against Drug Abuse and Illicit Trafficking |
| 26. June | United Nations International Day in Support of Victims of Torture |
| 27. June | Micro-, Small and Medium-sized Enterprises Day |
| 29. June | International Day of the Tropics |
| 30. June | International Asteroid Day |
| 30. June | International Day of Parliamentary |
List of Important Days in July
| First Saturday in July | International Day of Cooperatives |
| 11. July | World Population Day |
| 15. July | World Youth Skills Day |
| 18. July | Nelson Mandela International Day |
| 28. July | World Hepatitis Day |
| 30. July | International Day of Friendship |
| 30. July | World Day against Trafficking in Persons |
List of Important Days in August
| 9. August | International Day of the World’s Indigenous Peoples |
| 12. August | International Youth Day |
| 19. August | World Humanitarian Day |
| 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 |
| 29. August | International Day against Nuclear Tests |
| 30. August | International Day of the Victims of Enforced Disappearances |
List of Important Days in September
| 5. September | International Day of Charity |
| 8. September | International Literacy Day |
| 10. September | World Suicide Prevention Day |
| 12. September | United Nations Day for South-South Cooperation |
| 15. September | International Day of Democracy |
| 16. September | International Day for the Preservation of the Ozone Layer |
| 21. September | International Day of Peace |
| 23. September | International Day of Sign Languages |
| 26. September | International Day for the Total Elimination of Nuclear Weapons |
| 27. September | World Tourism Day |
| 28. September | World Rabies Day |
| 28. September | International Day for Universal Access to Information |
| 30. September | International Translation Day |
| Last Thursday of September | World Maritime Day |
List of Important Days in October
| First Monday in October | World Habitat Day |
| 1. October | International Day of Older Persons |
| 2. October | International Day of Non-Violence |
| 5. October | World Teachers’ Day |
| 9. October | World Post Day |
| 10. October | World Mental Health Day |
| 11. October | International Day of the Girl Child |
| 13. October | International Day for Disaster Reduction |
| 15. October | International Day of Rural Women |
| 15. October | Global Handwashing Day |
| 16. October | World Food Day |
| 17. October | International Day for the Eradication of Poverty |
| 20. October | World Statistics Day |
| 24. October | United Nations Day |
| 24. October | World Development Information Day |
| 27. October | World Day for Audiovisual Heritage |
| 31. October | World Cities Day |
List of Important Days in November
| 2. November | International Day to End Impunity for Crimes against Journalists |
| 5. November | World Tsunami Awareness Day |
| 6. November | International Day for Preventing the Exploitation of the Environment in War and Armed Conflict |
| 10. November | World Science Day for Peace and Development |
| 14. November | World Diabetes Day |
| 16. November | International Day for Tolerance |
| Third Thursday in November | World Philosophy Day |
| Third Sunday in November | World Day of Remembrance for Road Traffic Victims |
| 19. November | World Toilet Day |
| 20. November | Africa Industrialization Day |
| 20. November | Universal Children’s Day |
| 21. November | World Television Day |
| 25. November | International Day for the Elimination of Violence against Women |
| 29. November | International Day of Solidarity with the Palestinian People |
List of Important Days in December
| 1. December | World AIDS Day |
| 2. December | International Day for the Abolition of Slavery |
| 3. December | International Day of Persons with Disabilities |
| 5. December | International Volunteer Day for Economic and Social Development |
| 5. December | World Soil Day |
| 7. December | International Civil Aviation Day |
| 9. December | International Day of Commemoration |
| 9. December | International Anti-Corruption Day |
| 10. December | Human Rights Day |
| 11. December | International Mountain Day |
| 18. December | International Migrants Day |
| 20. December | International Human Solidarity Day |
