January 21 Holidays & Observances
1 holiday observed on January 21 in the 2026–2030 window.
Floating holidays on January 21
These observances only land on January 21 in certain years.
| Holiday | 2026 | 2027 | 2028 | 2029 | 2030 |
|---|---|---|---|---|---|
| Martin Luther King Jr. Day | — | — | — | — | Jan 21 · Mon |
View all January holidays
See every observance across January in one monthly calendar.
January calendar →January 21 — quick answers
- How many holidays fall on January 21?
- In the 2026–2030 window, 1 holiday and observance falls on January 21: Martin Luther King Jr. Day.
- What is celebrated on January 21?
- January 21 is home to Martin Luther King Jr. Day. Each one has its own page with history and a live countdown.
- Are any January 21 holidays public holidays?
- Yes — Martin Luther King Jr. Day is observed as a US federal holiday.