Smile Day (Egao no Hi)

What is "Smile Day"?

February 5 is "Smile Day." The date comes from a bright, straightforward wordplay: "2" is read as "ni" and "5" as "ko," together forming "ni-ko," echoing the Japanese onomatopoeia for smiling, "niko-niko." It is said to have been established by members of a volunteer group working to brighten society, with the wish that people "always keep smiling." It's a day to remember the importance of something we often forget in our busy lives: simply smiling.

The proverb "Fortune comes to a merry home"

Japan has long had the proverb "Warau kado ni wa fuku kitaru" — "fortune comes to a home full of laughter." Rather than claiming that a smile itself brings luck, it is best understood as everyday wisdom: people gather around those who are cheerful and good-natured, and good things tend to follow.

A smile is a "universal language"

Even when words fail, a single smile can instantly close the distance between people. A smile is the world's most peaceful communication tool, signaling goodwill without any hostility. On February 5, smile first at the people around you — a small act that can spread a ripple of peace.

February 5: a day full of "niko" wordplay

Because 2 and 5 can be read as "niko," February 5 is home to several smile-related days. The same date is also "Minna Nikkori no Hi" (Everyone Smile Day), and August 8 is known as "Laughter Day," since "8-8" can be read as "ha-ha." Japanese wordplay that turns numbers into words has given rise to a whole family of smile-themed days.

A smile that lights up everyone around you

It is often said that smiles are catching. When you smile, the people who see it tend to relax their own expressions too. This is especially true for leaders, parents, and teachers — when they smile, it fills the room with a sense of safety. Smile Day is also about imagining yourself as the "sun," brightening everyone around you.

Japanese expressions about smiling

• Warau kado ni wa fuku kitaru: A proverb meaning fortune comes to a home full of laughter.
• Hagan issho: Breaking into a broad, beaming smile.
• Sogo wo kuzusu: Letting one's expression soften into a warm smile.
• Manmen no emi: A smile that fills the whole face.
• Niko-niko: An onomatopoeia for smiling happily without a sound — and the source of this day's wordplay.

Making "smiling" a habit

Even if you want to smile more, it's not always easy when you're stretched thin. In those moments, try seeking out small "seeds of joy" — watch a video of cute animals, listen to a favorite comedian, recall a happy memory, or savor that genuine "this is delicious!" smile while eating something you love. Noticing small everyday joys is the key to a more natural smile.

Tips for enjoying Smile Day

• Before heading out in the morning, give yourself your best smile in the mirror
• Send a friend or family member you've lost touch with a photo of yourself smiling, along with an update
• Watch a comedy film, listen to rakugo, or watch a comedy show and laugh from the belly
• Greet a stranger or a shop clerk with a slightly warmer smile than usual

Brighten your day with your best smile

Smile Day is a day when your face becomes "the most wonderful gift" you can give. No preparation needed — just lift the corners of your mouth and relax your eyes a little, and the way you see the world will change. On February 5, let the "niko-niko" inside you out into the world, and make it a day that brings happiness to both yourself and those around you.