When is World Alzheimer's Day 2025?
World Alzheimer's Day 2025 was on Sunday, September 21, 2025.
379Sunday, September 21, 2025days ago
Raises awareness of Alzheimer’s disease and other kinds of dementia, and supports families who care for someone with them.
How the date is set: September 21 every year.

The date in other years
Related days
Sources
- Calendar rule: September 21 every year
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