June 30 Holidays & Observances
2 holidays observed on June 30 in the 2026–2030 window.
Floating holidays on June 30
These observances only land on June 30 in certain years.
| Holiday | 2026 | 2027 | 2028 | 2029 | 2030 |
|---|---|---|---|---|---|
| Take Your Dog to Work Day | — | — | Jun 30 · Fri | — | — |
View all June holidays
See every observance across June in one monthly calendar.
June calendar →June 30 — quick answers
- How many holidays fall on June 30?
- In the 2026–2030 window, 2 holidays and observance fall on June 30: Take Your Dog to Work Day, International Asteroid Day.
- What is celebrated on June 30?
- June 30 is home to Take Your Dog to Work Day, International Asteroid Day. Each one has its own page with history and a live countdown.
- Are any June 30 holidays public holidays?
- None of the observances on June 30 are US federal holidays; they are celebrated informally by people, brands and communities.