2025 World Heritage Day - Friday 18th April 2025, with the theme " Heritage under Threat from Disasters and Conflicts". World Heritage Day 2025: Date, History, Theme, and Significance World Heritage Day 2025, observed on April 18th, celebrates the importance of preserving our cultural and natural treasures. This ... Learn how India celebrates World Heritage Day and protects its cultural and natural sites. Discover the government's initiatives, projects, and achievements in heritage conservation and promotion. As observed on April 18, World Heritage Day 2025 seeks to highlight the efforts towards preserving our cultural and natural heritages. It raises the awareness of UNESCO World Heritage Sites and promotes the use of sustainable tourism, so that years to come will still marvel at the beauty of the world .