May 4 Holidays & Observances
4 holidays observed on May 4 in the 2026–2030 window.
Floating holidays on May 4
These observances only land on May 4 in certain years.
| Holiday | 2026 | 2027 | 2028 | 2029 | 2030 |
|---|---|---|---|---|---|
| National Space Day | — | — | — | May 4 · Fri | — |
View all May holidays
See every observance across May in one monthly calendar.
May calendar →May 4 — quick answers
- How many holidays fall on May 4?
- In the 2026–2030 window, 4 holidays and observance fall on May 4: Star Wars Day, International Firefighters' Day, National Space Day, National Orange Juice Day.
- What is celebrated on May 4?
- May 4 is home to Star Wars Day, International Firefighters' Day, National Space Day and other observances. Each one has its own page with history and a live countdown.
- Are any May 4 holidays public holidays?
- None of the observances on May 4 are US federal holidays; they are celebrated informally by people, brands and communities.