| March 2018 | |||
|---|---|---|---|
| Date | Day | Holiday | Where |
| March-1 | Thursday | Arbor Day | Louisiana (Special Days) |
| March-1 | Thursday | Doctors' Day | Louisiana (Special Days) |
| March-1 | Thursday | Ohio statehood day | Ohio (Special Days) |
| March-2 | Friday | Arkansas Agriculture Recognition Day | Arkansas (Special Days) |
| March-2 | Friday | Texas Flag Day | Texas (Special Days) |
| March-3 | Saturday | School energy conservation day | Ohio (Special Days) |
| March-3 | Saturday | Susan Butcher Day | Alaska (Special Days) |
| March-6 | Tuesday | Arkansas Teachers Day | Arkansas (Special Days) |
| March-6 | Tuesday | Town Meeting Day | Vermont (Public Holidays) |
| March-9 | Friday | Meningitis Awareness Day | Ohio (Special Days) |
| March-9 | Friday | Utah State Flag Day | Utah (Special Days) |
| March-10 | Saturday | Mighty Oregon Day | Oregon (Special Days) |
| March-13 | Tuesday | Vietnam Veterans Day | Ohio, Washington (Special Days) |
| March-15 | Thursday | Statehood Day | Maine (Special Days) |
| March-16 | Friday | Governor William King Day | Maine (Special Days) |
| March-18 | Sunday | South Carolina Day | South Carolina (Special Days) |
| March-19 | Monday | Arbor Day | Arkansas (Special Days) |
| March-21 | Wednesday | Baha'i New Year's Day | Hawaii (Special Days) |
| March-21 | Wednesday | Veterans Day at the Legislature | Nevada (Special Days) |
| March-22 | Thursday | Tom McCall Day | Oregon (Special Days) |
| March-26 | Monday | Prince Jonah Kuhio Kalanianaole Day | Hawaii (Public Holidays) |
| March-26 | Monday | Prison Chaplains Appreciation Day | Georgia (Special Days) |
| March-26 | Monday | Seward's Day | Alaska (Public Holidays) |
| March-28 | Wednesday | Edmund S. Muskie Day | Maine (Special Days) |
| March-29 | Thursday | Iowa State Flag Day | Iowa (Special Days) |
| March-29 | Thursday | Vietnam Veterans Day | North Dakota, Texas, Utah (Special Days) |
| March-30 | Friday | Cesar Chavez Day | California (Public Holidays) |
| March-30 | Friday | Good Friday | New York Stock Exchange (NYSE Holidays) |
| March-30 | Friday | Good Friday | American Samoa, Connecticut, Delaware, Florida, Hawaii, Indiana, Kentucky, Louisiana, New Jersey, North Carolina, North Dakota, Tennessee, Texas (Public Holidays) |
| March-30 | Friday | Good Friday | Arkansas (Special Days) |
| March-30 | Friday | Vietnam Veterans Day | Delaware, Maine, Oregon, South Dakota (Special Days) |
| March-30 | Friday | Wyoming Veterans Welcome Home Day | Wyoming (Special Days) |
| March-31 | Saturday | Cesar Chavez Day | Colorado, Nevada (Special Days) |
| March-31 | Saturday | Confederate Flag Day | Arkansas (Special Days) |
| March-31 | Saturday | Day After Good Friday | American Samoa (Public Holidays) |