October 22 June 28

International Caps Lock Day

Name: International CAPS LOCK DAY
Start: 2027-06-28
End: 2027-06-28
Location: International

Holiday Today

October 21, 2025 3 Min Read

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International Caps Lock Day is celebrated every year on October 22 and also on June 28. In 2026, this date falls on a Thursday. This lighthearted day invites us to reflect on our digital communication habits—especially the use of the Caps Lock key and what it says when messages are written in ALL CAPS.

History of International Caps Lock Day
Why is International Caps Lock Day important?
How to Celebrate International Caps Lock Day
International Caps Lock Day Dates Table

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History of International Caps Lock Day

The holiday was created in the year 2000 by Derek Arnold, a software developer who found the overuse of all-caps in emails and messages a bit absurd. He picked October 22 as a tongue-in-cheek date to “celebrate” Caps Lock usage.

Later, a second date—June 28—was added in 2009 in tribute to Billy Mays, the infomercial pitchman known for his loud style, associating him with the “Caps Lock” shouting aesthetic. With these two dates, the day became both a parody and a reminder about how we communicate in the digital world.

Why is International Caps Lock Day important?

At first glance, this holiday seems purely silly—but there’s more to it. In our digital era, how we type and format our messages can influence how we’re perceived. All-caps text online often comes across as shouting or aggression. International Caps Lock Day nudges us to consider our tone, our choices in communication, and how those choices impact others.

Moreover, it invites a little self-awareness and humor about our keyboard habits—those accidental all-caps replies, or that one friend who always seems to type like they’re at a stadium mic. On this day we get permission to laugh at the absurdity of typing habits and to perhaps do better the other 364 days.

It underscores how formatting (like all-caps) affects tone in digital communication
It gives a playful moment to reflect on online etiquette and habits
It allows us to laugh at our own keyboard foibles
It highlights how a simple key can trigger strong perceptions
It reminds us that even small habits shape how we connect with others

How to Celebrate International Caps Lock Day

Celebration needn’t be complicated. You might send a friend a cheerful all-caps message (with a wink) or challenge yourself to not use all-caps all day, noticing how your tone shifts. Perhaps you bring it up in a meeting or team chat, joking about the Caps Lock key’s power—and then reset your keyboard settings.

If you’re helping others with writing or digital communication (in class, at work, or with kids), you could use the day to run a mini-exercise: compare two identical messages, one in normal case and one in all-caps—ask how they feel different. All of this can be done with zero prep, just a moment of awareness and a little fun.