September 21: National Days, Holidays & Observances
September 21 is day 264 of the year, with 101 days left until the year ends. In 2027 it falls on a Tuesday. There are 2 observances on this date.
World Alzheimer's Day
Every September 21st is World Alzheimer's Day. On this day, the whole world is focusing on raising people's awareness of Alzheimer's disease.
National IT Professional Day
Every third Tuesday of September is observed as National IT Professionals Day . This year National IT Professionals Day is on 21…