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Annual observance

Smile Power Day

June 15 Cultural / community observance Updated 2025-12-17

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Overview

Smile Power Day, observed annually on June 15th, is an unofficial holiday dedicated to recognizing and promoting the significant positive impact of a simple smile. It encourages individuals to harness the power of this universal expression to improve their own mood, reduce stress, foster connections, and spread positivity to others, highlighting how a genuine smile can brighten not only one's day but also the days of those around them.

Observed each year on June 15, Smile Power Day invites people to pause, share the story, and bring a little themed joy to their day.

Why it matters: Smile Power Day, observed on June 15, emphasizes the profound influence a smile can have on mental well-being and interpersonal connections. This day serves as a reminder that a simple act of smiling can foster positivity and uplift the spirits of both the giver and receiver, promoting a more compassionate community.

Origin and story

Smiling can boost your mood because it releases endorphins, natural pain relievers, and serotonin, acting as a natural antidepressant.

There are at least 19 different types of smiles, but only one, the 'Duchenne smile,' involves both the mouth and the eyes, indicating genuine joy.

Quick facts

  • DateJune 15
  • TypeCultural / community observance
  • Great forFriends, Families, Classrooms, Teams

Also on this date

Ways to celebrate

  • Pair music, snacks, or décor that match the theme and enjoy a small break.
  • Share the story of Smile Power Day on social and tag it with #smilepowerday so others can join in.
  • Plan something small on June 15: a quick nod to Smile Power Day with friends, family, or coworkers.
  • Write a note or journal entry on why Smile Power Day matters, then set a reminder for next year.
  • Bring the theme into your day—decorate a workspace, cook or bake something inspired by Smile Power, or play music that matches the mood.

Fun facts

  • Smiling can boost your mood because it releases endorphins, natural pain relievers, and serotonin, acting as a natural antidepressant.
  • There are at least 19 different types of smiles, but only one, the 'Duchenne smile,' involves both the mouth and the eyes, indicating genuine joy.
  • A smile is the most universally understood facial expression, recognized across all cultures as a sign of goodwill and happiness.

Sources and attribution

Source not provided.

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FAQ

When is Smile Power Day?
It is observed on June 15 each year.
What is Smile Power Day?
Smile Power Day, observed annually on June 15th, is an unofficial holiday dedicated to recognizing and promoting the significant positive impact of a simple smile. It encourages individuals to harness the power of this universal expression to improve their own mood, reduce stress, foster connections, and spread positivity to others, highlighting how a genuine smile can brighten not only one's day but also the days of those around them.
How do people celebrate Smile Power Day?
Pair music, snacks, or décor that match the theme and enjoy a small break.

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