| June 2021 | ||
|---|---|---|
| Date | Holiday | Where |
| June-3, Thursday | Dutch Harbor Remembrance Day | Alaska (Designated Days) |
| June-3, Thursday | Jefferson Davis' Birthday | Arkansas (Memorial Days) |
| June-7, Monday | Jefferson Davis' Birthday | Alabama (Public Holidays) |
| June-8, Tuesday | World Ocean Day | Hawaii (Designated Days) |
| June-11, Friday | King Kamehameha I Day | Hawaii (Public Holidays) |
| June-14, Monday | Flag Day | Illinois, Indiana (Designated Days) |
| June-18, Friday | Juneteenth National Independence Day | Federal (Public Holidays) |
| June-19, Saturday | Juneteenth Day | Alaska, Florida (Designated Days) |
| June-19, Saturday | Juneteenth day | Arizona (Observed Days) |
| June-19, Saturday | Juneteenth Independence Day | Arkansas (Memorial Days) |
| June-19, Saturday | Juneteenth National Freedom Day | California, Illinois, Iowa (Designated Days) |
| June-19, Saturday | Juneteenth National Freedom Day | Delaware (Special Days) |
| June-20, Sunday | Father's Day | Idaho, Iowa (Designated Days) |
| June-20, Sunday | Fathers Day | Illinois (Designated Days) |
| June-21, Monday | International Yoga Day | Hawaii (Designated Days) |
| June-21, Monday | West Virginia Day | West Virginia (Public Holidays) |
| June-27, Sunday | Independence Sunday | Iowa (Designated Days) |