World Smile Day takes place on 4 October 2026, a cheerful day dedicated to acts of kindness and putting a smile on people’s faces.
When is World Smile Day?
World Smile Day is marked every October (October 4). It is one of the many UK awareness days that bring people together around a shared cause — see the full calendar.
Why World Smile Day matters
A simple smile and small act of kindness can lift someone’s whole day and ripple out further than you think. The day reminds us how much good cheer and connection matter. Explore community support volunteering.
How to get involved in World Smile Day
There are three simple ways to make World Smile Day count:
- Volunteer — volunteer to brighten someone’s day, from befriending to a community kindness project. Browse opportunities.
- Fundraise — run a feel-good fundraiser or random-acts-of-kindness collection for a local cause.
- Raise awareness — spread good cheer with small acts of kindness and encourage others to pass it on.
World Smile Day volunteering opportunities
Mark World Smile Day by doing something real. Find volunteering opportunities and start today.
Get involved with World Smile Day
Browse live opportunities, log your hours, and earn verified badges you can add to your CV and LinkedIn. Find volunteering roles or see more awareness days.
Other October Dates
Baby Loss Awareness Week
October 9-15
Back Care Awareness Week
October 2-8
Breast Cancer Awareness Month
1-31
Dyslexia Awareness Week
October 2-8
Infection Prevention Control Week
October 13-19
International Pronouns Day
October 16
International Stammering Awareness Day
October 22
National Cholesterol Month
1-31
National Work Life Week
October 7-11
Sober October
1-31
Speak Up Month
October
Stoptober
1-31
UK Malnutrition Awareness Week
October 9-15
World Menopause Day
October 18
World Mental Health Day
October 10
Get involved with World Smile Day
Browse opportunities and start making a verified impact today.