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