When Is National Sweetest Day 2025. For over 100 years, national sweetest day encourages everyone to be generous even. National sweetest day is a holiday that celebrates acts of kindness and generosity by giving small gifts or tokens of appreciation to loved ones, friends, or anyone who could use a bit of sweetness in their day.

It is also the perfect day to do some charity work or. Sweetest day is celebrated at the following dates: