| Monday | Rhode Island Independence DayRhode Island |
| Tuesday | Primary Election DayIndiana | |
| Cinco de Mayo |
| Friday | Truman DayMissouri |
| Sunday | Confederate Memorial DaySouth Carolina | |
| Mother's DayArizona | ||
| Mother's Day | ||
| Confederate Memorial DayNorth Carolina |
| Monday | Confederate Memorial DayobservedSouth Carolina | |
| Confederate Memorial DayobservedNorth Carolina |
| Thursday | Ascension Day |
| Wednesday | Anniversary of Mecklenburg Declaration of IndependenceNorth Carolina |
| Friday | Service Reduction Dayadditional time offMaryland |
| Sunday | Pentecost |
| Monday | Memorial Day | |
| Memorial Dayexcept: AL, LA, MS, SC | ||
| National Memorial DayAL, MS, SC | ||
| National Memorial Dayper proclamationLouisiana | ||
| Jefferson Davis' BirthdayMississippi |
| Sunday | Trinity Sunday |