Below is a list of dates when Martin Luther King Jr. Day will occur from 3940 to 3949.
| Year | Date | Day |
|---|---|---|
| 3940 | January 15, 3940 | Monday |
| 3941 | January 20, 3941 | Monday |
| 3942 | January 19, 3942 | Monday |
| 3943 | January 18, 3943 | Monday |
| 3944 | January 17, 3944 | Monday |
| 3945 | January 15, 3945 | Monday |
| 3946 | January 21, 3946 | Monday |
| 3947 | January 20, 3947 | Monday |
| 3948 | January 19, 3948 | Monday |
| 3949 | January 17, 3949 | Monday |