December 20 Holidays & Observances
2 holidays observed on December 20 in the 2026–2030 window.
Floating holidays on December 20
These observances only land on December 20 in certain years.
| Holiday | 2026 | 2027 | 2028 | 2029 | 2030 |
|---|---|---|---|---|---|
| National Ugly Christmas Sweater Day | — | — | — | — | Dec 20 · Fri |
View all December holidays
See every observance across December in one monthly calendar.
December calendar →December 20 — quick answers
- How many holidays fall on December 20?
- In the 2026–2030 window, 2 holidays and observance fall on December 20: National Ugly Christmas Sweater Day, National Sangria Day.
- What is celebrated on December 20?
- December 20 is home to National Ugly Christmas Sweater Day, National Sangria Day. Each one has its own page with history and a live countdown.
- Are any December 20 holidays public holidays?
- None of the observances on December 20 are US federal holidays; they are celebrated informally by people, brands and communities.