Got an idea for a holiday? Send it to us

Submit Now

1K Shares
1K Shares
SatJan 25

Opposite Day – January 25, 2025

Most experts agree that Opposite Day is observed on January 25. but other experts claim it is celebrated on January 7th. Still others believe that it is to be celebrated every month of the year on the 25th day. Either way children across the country rejoice in this day as they declare they mean the opposite of whatever they say. I would love to do the dishes! Broccoli is my favorite food! I didn’t push my brother in the mud! Here is a serious question… What is the opposite of Opposite Day?

When is Opposite Day 2025?

The strange and wacky Opposite Day is celebrated on January 25. For those who are into the concept of different timelines, Opposite Day is the closest we can get, giving us a tiny glimpse of what the world will be like if the opposite of everything happened!

History of Opposite Day

Opposite Day has been declared for January 25 but its advent and development is legendary, at minimum. Considered a “children’s philosophy course,” Opposite Day has wormed its way into our jokester hearts by creating a perfectly comprehendible self-referential paradox.

By declaring today is opposite day it is not, in fact, opposite day because the opposite of opposite day is a normal day. So is it actually opposite day?

One of the truest pop-cultural moments in opposite day history has been the George Costanza method of “doing the opposite.” George, realizing his life has gone nowhere, decides to do the opposite of whatever he would typically be doing in any situation. The end result is that the typically horizontal, curmudgeon George suddenly becomes an active, sincere, and honest person.

Whether you choose Opposite Day to derail your workplace’s productivity with philosophical logistics, or to create better habits that help you realize a healthier version of yourself, Opposite Day’s history is one of mischief, humor, and profound realizations.

Opposite Day timeline

September 21, 1970
First Publication of an Op-Ed

An op-ed, which actually stands for opposite of editorial, is first published in the "New York Times" on September 21, 1970.

1970
"The Odd Couple" Airs

Just three days after the first op-ed is published, "The Odd Couple", based on two main characters that are opposite, premiers on ABC following the success of the film version in 1968.

1989
'Opposites Attract'

This mega-hit from Paula Abdul is released and slowly climbs its way up to being one of the biggest songs the following year.

2018
"Freaky Friday" Premiers

"Freaky Friday", in which a woman and her teenage daughter swap bodies, creates a lovable and fun story about having the opposite kind of day you expected.

Opposite Day FAQs

What day is opposite day?

Opposite Day is every year on January 25, providing a source of truth for whether it is or is not opposite day.

How do we celebrate Opposite Day?

By doing the opposite of what you normally do, by saying something and then doing the opposite of that, or by doing nothing… or doing everything!

What does Opposite Day mean?

Opposite Day means everything you say or do means or is the opposite of what it usually means or is.

What is National Florida day?

National Florida Day is, in fact, on the same day as Opposite Day (January 25) but that’s a day to celebrate the Sunshine State and all its glory… or is it?!

Opposite Day Activities

  1. Call in Sick For Work, Then Show Up Anyway

    Your boss will be confused for a minute, then it will dawn on them. Plus you shouldn't lose your job for this one, nor should you lose one of your sick days.

  2. Say Goodbye When Greeting People

    The confusion on their faces will be worth it. If you pair this with the number one on our list, it will only get better.

  3. Don't Do Anything for Opposite Day

    Saying it's Opposite Day negates that it is opposite day. So don't do anything for opposite, but know in your heart that it really is National Opposite Day.

5 OPPOSITE DAY FACTS

  1. Opposite Day is difficult

    At the request of his granddaughter, President Dwight E. Eisenhower once declared August 17 as Opposite Day for one day only. But he realized it was difficult to think of the opposite of certain words like brain and elephant.

  2. Squidward fooled Spongebob

    In an episode of Spongebob Squarepants, Squidward tells Spongebob and Patrick that it is Opposite Day.

  3. It even fooled the Grim Reaper

    Similarly, in an episode of ‘The Grim Adventures of Billy and Mandy,’ Mandy dupes the Grim Reaper into believing it is Opposite Day.

  4. The Opposite Day Dilemma

    A looping paradox about Opposite Day is that technically it simply cannot exist because even if it were Opposite Day, that means it is NOT Opposite Day.

  5. Earliest reference

    The earliest reference to Opposite Day dates back to the 1920s when President Calvin Coolidge made a statement saying he did not want to run for the elections.

Why We Love Opposite Day

  1. The Pranksters in All of Us Rejoice

    Class clowns who grew up to be office jokesters, and even that really quiet co-worker on the third floor can enjoy opposite day. There is a built in excuse for joking, pranking, and tricking, everyone you know. You are only limited by your imagination.

  2. It's Kind of Like, April Fools' Day Has An Awesome Little Sibling

    What's better than pranking someone and saying you didn't prank someone. The answer is nothing is better than that. "No, I didn't turn all our appliances around and flip your furniture upside down."

  3. Spongebob Squarepants Has an Episode About Opposite Day

    Nothing says cultural relevance like a children's TV show creating an episode about a holiday. Spongebob + Opposite Day = entertainment for all ages.

Opposite Day dates

YearDateDay
2025January 25Saturday
2026January 25Sunday
2027January 25Monday
2028January 25Tuesday
2029January 25Thursday

Let’s get social

Here are some special hashtags for the day.

#OppositeDay #NationalOppositeDay #OppositeForADay #OppositeFashion #OppositeDayPrank #OppositeDayChallenge #OppositeDayMovie #Opposite

Holidays Straight to Your Inbox

Every day is a holiday!
Receive fresh holidays directly to your inbox.