May 1 Holidays & Observances
2 holidays observed on May 1 in the 2026–2030 window.
Floating holidays on May 1
These observances only land on May 1 in certain years.
| Holiday | 2026 | 2027 | 2028 | 2029 | 2030 |
|---|---|---|---|---|---|
| National Space Day | May 1 · Fri | — | — | — | — |
View all May holidays
See every observance across May in one monthly calendar.
May calendar →May 1 — quick answers
- How many holidays fall on May 1?
- In the 2026–2030 window, 2 holidays and observance fall on May 1: International Workers' Day, National Space Day.
- What is celebrated on May 1?
- May 1 is home to International Workers' Day, National Space Day. Each one has its own page with history and a live countdown.
- Are any May 1 holidays public holidays?
- None of the observances on May 1 are US federal holidays; they are celebrated informally by people, brands and communities.