148 saved#1,467 of 6,224

St. Stupid Day

Get ready to bring out your inner silly on St. Stupid Day - a day filled with pranks, jokes, and all-around foolishness!

Thursday

April 2027

Last updated February 7, 2026 · by the Holiday Calendar Team

Have an update or spot an error?

YEARLY DATEApril 1

OBSERVED INUnited States

CATEGORYFun

SUBCATEGORYSilly

INTRO

Introduction

PHOTO

Get ready to embrace your inner silliness and celebrate St. Stupid Day on April 1! This holiday, also known as the Feast of Fools, has been observed since the 1970s in San Francisco, California. It's a day dedicated to celebrating absurdity and poking fun at the seriousness of everyday life. People dress up in ridiculous costumes and participate in silly parades and events throughout the city. So get ready to let loose, have some fun, and maybe even pull off a few playful pranks – after all, it's all part of the celebration!

TIMELINE

St. Stupid Day Timeline

Origin of St. Stupid Day

Bishop Joey from the First Church of the Last Laugh conceived St. Stupid Day to celebrate absurdity and foolery.

Growth of the Tradition

The celebration gains popularity in San Francisco throughout the 1980s, with a costume parade becoming a trademark event of the holiday.

St. Stupid Day March

The first official St. Stupid's Day Parade took place in the city's Financial District, attracting countless fools and pranksters.

National Recognition

Throughout the early 2000s, the St. Stupid's Day Parade grew in notoriety, with national news outlets covering the holiday events.

St. Stupid Day Goes Viral

The holiday received wider recognition after numerous viral online posts featured its ridiculous costumes and eccentric parade.

GET INVOLVED

How to Celebrate St. Stupid Day

Dress up in silly costumes

Get into the spirit of St. Stupid Day by dressing up in wacky, ridiculous costumes. The crazier, the better! Bonus points if you can make your own costume out of random household items.

CREATE

Create a scavenger hunt

Organize a St. Stupid Day themed scavenger hunt for your friends or family. Hide silly items or clues around the house or neighborhood and watch as everyone scrambles to find them.

PLAY

Play pranks on friends and family

What better way to celebrate St. Stupid Day than by playing harmless pranks on your loved ones? Just make sure not to take it too far and always clean up after yourself.

HAVE

Have a potluck with weird foods

Encourage everyone to bring a dish that they've never tried before, whether it's a new recipe or a strange food combination. Who knows, you might discover a new favorite dish!

CREATE

Create a silly obstacle course

Set up a ridiculous obstacle course in your backyard or living room and challenge your friends to complete it. Use items like hula hoops, pool noodles, and inflatable animals to make it even more absurd.

WHY THIS DAY MATTERS

Why We Love St. Stupid Day

It's a unique celebration of creativity

It's a day to let loose and be silly

St. Stupid Day is all about embracing your inner goofiness and having fun. So go ahead and wear that silly hat, prank your coworkers, or make up ridiculous jokes - just have a good time!

It promotes humor and laughter

With so much seriousness in the world, St. Stupid Day reminds us to take a step back and find joy in silliness. Laughter is contagious, and this holiday encourages us to spread it by being lighthearted and making others smile.