Date Holiday
| Alcohol Awareness Month | |
| National Child Abuse Prevention Month | |
| Couple Appreciation Month | |
| Injury Prevention Month | |
| Jazz Appreciation Month | |
| National Donate Life Month | |
| National Humor Month | |
| National Kite Month | |
| National Lawn Care Month | |
| National Occupational Therapy Month | |
| National Parkinson Awareness Month | |
| National Sexual Assault Awareness and Prevention Month | |
| National Youth Sports Safety Month | |
| Stress Awareness Month | |
| 1 | April Fools Day |
| 1 | National Fun at Work Day |
| 1-7 | Laugh at Work Week |
| 1-7 | Medication Safety Week |
| 1-7 | Testicular Cancer Awareness Week |
| 3 | National Alcohol Screening Day |
| 4-6 | Alcohol-Free Weekend |
| 5 | National Birding Day |
| 5 | National Love Our Children Day |
| 6 | Drowsy Driver Awareness Day |
| 7 | No Housework Day |
| 7-11 | Explore Your Career Options Week |
| 7-13 | National Networking Week |
| 7-11 | National Public Health Week |
| 9 | National Cherish an Antique Day |
| 9 | National Former Prisoner of War Recognition Day |
| 10 | National D.A.R.E. Day |
| 10 | National Siblings Day |
| 12 | Baby Massage Day |
| 12 | National Licorice Day |
| 12 | Walk on Your Wild Side Day |
| 13 | International Plant Appreciation Day |
| 13-19 | National Library Week |
| 13-20 | National Personal Training Week |
| 13-19 | National Women’s Nutrition Week |
| 13-19 | Pediatric Nurse Practitioner Week |
| 15 | Income Tax Day |
| 16 | International Moment of Laughter Day |
| 16 | National Stress Awareness Day |
| 16 | National Wear Your Pajamas to Work Day |
| 19 | National Hanging Out Day |
| 19-27 | National Wildlife Week |
| 20-26 | National Karoake Week |
| 20-26 | National Playground Safety Week |
| 22 | Earth Day |
| 22 | National Jelly Bean Day |
| 23 | Administrative Professionals Day |
| 24 | Take Our Daughters and Sons to Work Day |
| 25 | National Arbor Day |
| 27-5/3 | National Volunteer Week |
| 28 | National Cubicle Day |
| 29 | National Dance Day |
| 29 | National Teach Children to Save Day |
| 30 | Hairstylist Appreciation Day |
| 30 | National Honesty Day |
