Dunkin National Donut Day 2024 Calendar. — for national donut day on friday, june 7, you can get a free classic donut of your choice at dunkin' with the purchase of any beverage while supplies last. — when is national doughnut (donut) day?
— national donut day is synonymous with free donuts at dunkin’, and this year is no different. National doughnut day always falls on the first friday in june, according to national day.
