Daily Observances
| Related Theme
|
| April Fool's Day (Apr. 1) | Jokes, Humor, Feelings |
| International Children's Book Day (Apr. 2) | Books |
| National Peanut Butter and Jelly Day (Apr. 2) | Peanut Butter and Jelly, Sandwitches, Food |
| Hans Christian Andersen's Birthday (Apr. 2) | Fairy Tales |
| Find-A-Rainbow Day (Apr. 3) | Rainbows |
| Palm Sunday (Vaires) | Religious |
| National Raisin & Spice Bar Day (Apr. 5) | Health, Food |
| North Pole Discovered, 1898 (Apr. 6) | North Pole, Polar Animals |
| World Health Day (Apr. 7) | Health |
| Encourage a Young Writer Day (Apr. 10) | Writing, Communication |
| National Sibling Day (Apr. 10) | Family |
| Easter (Varies) | Easter |
| Space Shuttle Columbia First Launched, 1981 (Apr. 12) | Space |
| National Eggs Benedict Day (Apr. 16) | Eggs, See Easter, FarmFood |
| International Juggler's Day (Apr. 18) | Circus, Clowns, Sports |
| Pet Owner's Day (Apr. 18) | Pets, Cats, Dogs, Birds, Fish, Frogs
|
| Patriot's Day is celebrated on the third Monday in April in Massachusetts | Patriotism, USA |
| Kindergarten Day (Apr. 21) | Kindergarten |
| Take Your Daughter to Work Day (Apr. 22) | Flip it around and make a Bring a Mommy/Daddy to Child Care Day |
| Home Run Day (Apr. 23) | Baseball, Sports |
| Astronomy Day (Varies) | Space, Sun, Moon, Stars |
| In most states, Arbor Day is observed the last Friday of the month | Trees, Plants, Nature |
| Pretzel Day (Apr. 26) | Pretzels, Food |
| Tell A Story Day (Apr. 27) | Communication, Books |
| Zipper Day (Apr. 29) | Zippers, Clothes |
| Andre Agassi's Birthday, Apr. 29, 1970 | Tennis, Sports |
| National Honesty Day (Apr. 30) | Honesty, Feelings |