May 2027 Holidays
| Holidays May, 2027 | Week Day | Date | Countdown |
| Cinco de Mayo | Wednesday | May 5, 2027 | in 418 days |
| Mother's Day | Sunday | May 9, 2027 | in 422 days |
| National Maritime Day | Saturday | May 22, 2027 | in 435 days |
| National Missing Children's Day | Tuesday | May 25, 2027 | in 438 days |
| Memorial Day | Monday | May 31, 2027 | in 444 days |