Last updated: September 2, 2026
When is National Smile Day Dates 2027–2035
| Date | Name | Day | Week | Days left |
|---|---|---|---|---|
| May 31, 2026 | National Smile Day 2026 | Sunday | 22 | - |
| May 31, 2027 | National Smile Day 2027 | Monday | 22 | 271 |
| May 31, 2028 | National Smile Day 2028 | Wednesday | 22 | 637 |
| May 31, 2029 | National Smile Day 2029 | Thursday | 22 | 1002 |
| May 31, 2030 | National Smile Day 2030 | Friday | 22 | 1367 |
| May 31, 2031 | National Smile Day 2031 | Saturday | 22 | 1732 |
| May 31, 2032 | National Smile Day 2032 | Monday | 23 | 2098 |
| May 31, 2033 | National Smile Day 2033 | Tuesday | 22 | 2463 |
| May 31, 2034 | National Smile Day 2034 | Wednesday | 22 | 2828 |
| May 31, 2035 | National Smile Day 2035 | Thursday | 22 | 3193 |
Quick Facts:
- Holiday Name: National Smile Day
- Date: May 31, 2027 (Observed annually on May 31)
- Founders: Co-founded by dentists Dr. Tim Stirneman and Jim Wojdyla to highlight the power of a healthy smile.
- Purpose: Encourages sharing genuine smiles to create positive interactions, improve mental well-being, and raise awareness for oral health.
- Health Benefits: Smiling can help lower blood pressure, reduce stress and heart rate, relieve pain, and boost endurance.
- Fun Fact: Adults smile about 20 times a day on average, whereas babies smile around 400 times a day.
- Ways to Celebrate: Share a smile with others, tell a joke to make someone laugh, or visit your dentist for a routine checkup.
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