| June 2018 | |||
|---|---|---|---|
| Date | Day | Holiday | Where |
| June-1 | Friday | Independence Day | American Samoa (Public Holidays) |
| June-2 | Saturday | First Lady's Day | Virginia (Special Days) |
| June-3 | Sunday | Dutch Harbor Remembrance Day | Alaska (Special Days) |
| June-3 | Sunday | Jefferson Davis Birthday | Arkansas (Special Days) |
| June-4 | Monday | Jefferson Davis Birthday | Alabama (Public Holidays) |
| June-4 | Monday | Samantha Smith Day | Maine (Special Days) |
| June-7 | Thursday | Dean Martin day | Ohio (Special Days) |
| June-8 | Friday | World Ocean Day | Hawaii (Special Days) |
| June-9 | Saturday | Juneteenth Day | Washington (Special Days) |
| June-10 | Sunday | Seamen's Memorial Day | Maine (Special Days) |
| June-11 | Monday | King Kamehameha I Day | Hawaii (Public Holidays) |
| June-13 | Wednesday | Day of recognition for direct care staffs and other long-termcare professionals | Virginia (Special Days) |
| June-14 | Thursday | Flag Day | Oregon (Special Days) |
| June-16 | Saturday | Destroyer Escort Day | Maine (Special Days) |
| June-16 | Saturday | Juneteenth Day | Alaska, Arkansas, Delaware, Iowa, Louisiana, Maine, Utah, Vermont, Wyoming (Special Days) |
| June-17 | Sunday | Father's Day | Iowa (Special Days) |
| June-19 | Tuesday | Juneteenth Day | Nevada, South Carolina (Special Days) |
| June-20 | Wednesday | West Virginia Day | West Virginia (Public Holidays) |
| June-21 | Thursday | Native American Veterans Day | Maine (Special Days) |
| June-24 | Sunday | Saint Jean-Baptiste Day | Maine (Special Days) |
| June-25 | Monday | Korean War Veterans Honor Day | Oregon (Special Days) |
| June-25 | Monday | Little Big Horn Recognition Day | South Dakota (Special Days) |
| June-27 | Wednesday | Post-Traumatic Stress Injury Awareness Day | South Carolina (Special Days) |
| June-28 | Thursday | Carolina Day | South Carolina (Special Days) |
| June-30 | Saturday | R. B. Hall Day | Maine (Special Days) |