| Date | Day | International Day | CW |
|---|---|---|---|
| June 2025 | |||
| 23.06.2025 | Mo | United Nations Public Service Day | 26 |
| 26.06.2025 | Th | United Nations International Day in Support of Victims of Torture | 26 |
| 26.06.2025 | Th | United Nations International Day in Support of Victims of Torture | 26 |
| July 2025 | |||
| 05.07.2025 | Sa | International Day of Cooperatives | 27 |
| 11.07.2025 | Fr | World Population Day | 28 |
| 30.07.2025 | We | International Day of Friendship | 31 |
| August 2025 | |||
| 12.08.2025 | Tu | International Youth Day | 33 |
| 23.08.2025 | Sa | International Day for the Remembrance of the Slave Trade and Its Abolition | 34 |
| September 2025 | |||
| 08.09.2025 | Mo | International Literacy Day | 37 |
| 15.09.2025 | Mo | International Day of Democracy | 38 |
| 16.09.2025 | Tu | International Day for the Preservation of the Ozone Layer | 38 |
| 20.09.2025 | Sa | Universal Children’s Day (AT, DE) | 38 |
| 21.09.2025 | Su | International Day of Peace | 38 |
| 21.09.2025 | Su | World Alzheimer's Day | 38 |
| 23.09.2025 | Tu | International Day of Sign Languages | 39 |
| 25.09.2025 | Th | World Maritime Day | 39 |
| 27.09.2025 | Sa | World Tourism Day | 39 |
| 27.09.2025 | Sa | Day of deaf people | 39 |
| October 2025 | |||
| 01.10.2025 | We | International Day of Older Persons | 40 |
| 02.10.2025 | Th | International Day of Non-Violence | 40 |
| 04.10.2025 | Sa | World Space Week (04.10.-10.10.) | 40 |
| 05.10.2025 | Su | World Teachers’ Day | 40 |
| 06.10.2025 | Mo | World Habitat Day | 41 |
| 09.10.2025 | Th | World Post Day | 41 |
| 10.10.2025 | Fr | World Mental Health Day | 41 |
| 15.10.2025 | We | International Day of Rural Women | 42 |
| 16.10.2025 | Th | World Food Day | 42 |
| 17.10.2025 | Fr | International Day for the Eradication of Poverty | 42 |
| 24.10.2025 | Fr | United Nations Day | 43 |
| 24.10.2025 | Fr | World Development Information Day | 43 |
| 24.10.2025 | Fr | Disarmament Week (24.10. - 30.10.) | 43 |
| 27.10.2025 | Mo | World Day for Audiovisual Heritage | 44 |
| November 2025 | |||
| 06.11.2025 | Th | International Day for Preventing the Exploitation of the Environment in War and Armed Conflict | 45 |
| 14.11.2025 | Fr | World Diabetes Day | 46 |
| 15.11.2025 | Sa | World Day of Remembrance for Road Traffic Victims | 46 |
| 16.11.2025 | Su | World Day of Remembrance for Road Traffic Victims | 46 |
| 19.11.2025 | We | International Men's Day | 47 |
| 20.11.2025 | Th | Universal Children's Day | 47 |
| 21.11.2025 | Fr | World Television Day | 47 |
| 25.11.2025 | Tu | International Day for the Elimination of Violence against Women | 48 |
| 29.11.2025 | Sa | International Day of Solidarity with the Palestinian People | 48 |
| December 2025 | |||
| 01.12.2025 | Mo | World AIDS Day | 49 |
| 02.12.2025 | Tu | International Day for the Abolition of Slavery | 49 |
| 03.12.2025 | We | International Day of Persons with Disabilities | 49 |
| 05.12.2025 | Fr | International Volunteer Day for Economic and Social Development | 49 |
| 07.12.2025 | Su | International Civil Aviation Day | 49 |
| 09.12.2025 | Tu | International Anti-Corruption Day | 50 |
| 10.12.2025 | We | Human Rights Day | 50 |
| 11.12.2025 | Th | International Mountain Day | 50 |
| 18.12.2025 | Th | International Migrants Day | 51 |
| 20.12.2025 | Sa | International Human Solidarity Day | 51 |
Errors excepted. No guarantee for the correctness of the data.
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