March 21
| << | March | >> | ||||
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| Su | Mo | Tu | We | Th | Fr | Sa |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| 22 | 23 | 24 | 25 | 26 | 27 | 28 |
| 29 | 30 | 31 | ||||
| 2026 | ||||||
| March 21 in recent years |
| 2025 (Friday) |
| 2024 (Thursday) |
| 2023 (Tuesday) |
| 2022 (Monday) |
| 2021 (Sunday) |
| 2020 (Saturday) |
| 2019 (Thursday) |
| 2018 (Wednesday) |
| 2017 (Tuesday) |
| 2016 (Monday) |
March 21 is the 80th day of the year (81st in leap years) in the Gregorian calendar; 285 days remain until the end of the year.