World Down Syndrome Day. Celebrate the children and youth with Down Syndrome by wearing the brightest, loudest socks! Down syndrome occurs when there are 3 copies of the 21st chromosome and it is celebrated on the 21st day of 3rd month.
#HASHTAGS
#WorldDownSyndromeDay
#RockYourSocks
When is World Down Syndrome Day?
World Down Syndrome Day is celebrated annually on the 21st of March.
| Year | Date | Day |
| 2021 | Mar 21st | Sunday |
| 2022 | Mar 21st | Monday |
| 2023 | Mar 21st | Tuesday |
| 2024 | Mar 21st | Thursday |
| 2025 | Mar 21st | Friday |
| 2026 | Mar 21st | Saturday |
| 2027 | Mar 21st | Sunday |
| 2028 | Mar 21st | Tuesday |
| 2029 | Mar 21st | Wednesday |
| 2030 | Mar 21st | Thursday |
