World Smile Day 2024. Calendar for the whole year, calendar for any month, lunar calendar, printable calendar. Each year on the first friday in october, the world celebrates world smile day with the motto, “do an act of kindness, make one person smile” — a quote from the late harvey ball, the creator of the smiley face who created this iconic symbol in.

And be sure to join the celebration this year on friday, october 4th 2024, and do an act of kindness. On the first friday in october every year, people celebrate world smile day.