Below is a list of dates when Martin Luther King Jr. Day will occur from 4020 to 4029.
| Year | Date | Day |
|---|---|---|
| 4020 | January 20, 4020 | Monday |
| 4021 | January 18, 4021 | Monday |
| 4022 | January 17, 4022 | Monday |
| 4023 | January 16, 4023 | Monday |
| 4024 | January 15, 4024 | Monday |
| 4025 | January 20, 4025 | Monday |
| 4026 | January 19, 4026 | Monday |
| 4027 | January 18, 4027 | Monday |
| 4028 | January 17, 4028 | Monday |
| 4029 | January 15, 4029 | Monday |