How is Rare Disease Day calculated?

This event is observed on the last day of February each year.

When is Rare Disease Day 2566?

Name: Rare Disease Day
Start: 2566-02-28
End: 2566-02-28
Location: Worldwide

Rare Disease Day raises awareness of rare diseases and their impact on people’s lives.

Download an iCalendar file for Rare Disease Day and add it to your calendar app.

When is Rare Disease Day 2566?: Rare Disease Day 2566 is on Friday, 28 February 2566.
What day of the week is Rare Disease Day 2566?: It falls on Friday.
How is Rare Disease Day calculated?: This event is observed on the last day of February each year.