How it's counted
January 1 moves forward one weekday each year, and two after a leap day. That is why May 21 lands on a different day every year.
May 21 in other years
| Year | Day of the week | Week number |
|---|---|---|
| 2024 | Tuesday | 21 |
| 2025 | Wednesday | 21 |
| 2026 | Thursday | 21 |
| 2027 | Friday | 20 |
| 2028 | Sunday | 20 |
| 2029 | Monday | 21 |
| 2030 | Tuesday | 21 |
| 2031 | Wednesday | 21 |
| 2032 | Friday | 21 |
| 2033 | Saturday | 20 |
| 2034 | Sunday | 20 |
Frequently asked questions
What day is May 21 this year?
May 21, 2027 is a Friday.
What day is May 21 next year?
May 21, 2028 is a Sunday.