Below is a list of dates when Martin Luther King Jr. Day will occur from 3840 to 3849.
| Year | Date | Day |
|---|---|---|
| 3840 | January 20, 3840 | Monday |
| 3841 | January 18, 3841 | Monday |
| 3842 | January 17, 3842 | Monday |
| 3843 | January 16, 3843 | Monday |
| 3844 | January 15, 3844 | Monday |
| 3845 | January 20, 3845 | Monday |
| 3846 | January 19, 3846 | Monday |
| 3847 | January 18, 3847 | Monday |
| 3848 | January 17, 3848 | Monday |
| 3849 | January 15, 3849 | Monday |