World Day 2025 Calendar. United nations international days calendar of 2025 the following is an overview of the days and the corresponding celebration declared by the united nations that apply to 2025: With that in mind, we have put together an extensive awareness days calendar for 2025, covering the most important days, months, and weeks of the year ahead.

The most comprehensive calendar of awareness events from the uk, us and across the world. This page contains a calendar of all 2025 observances instituted by the united nations and its agencies, and recognised in countries across the world.