January 21
| << | January | >> | ||||
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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 | ||||||
| January 21 in recent years |
| 2026 (Wednesday) |
| 2025 (Tuesday) |
| 2024 (Sunday) |
| 2023 (Saturday) |
| 2022 (Friday) |
| 2021 (Thursday) |
| 2020 (Tuesday) |
| 2019 (Monday) |
| 2018 (Sunday) |
| 2017 (Saturday) |
January 21 is the 21st day of the year in the Gregorian calendar; 344 days remain until the end of the year (345 in leap years).