National Ice Cream Day 2024 Njit. National ice cream day, celebrated every third sunday in july, owes its existence to president reagan, who, in 1984, designated this day to honor a treat enjoyed by over 90% of americans. The national holiday takes place every third sunday in july, which is also known as national ice cream.

National ice cream day is july 21 this year. National ice cream day is a part of national ice cream month and is celebrated and honored yearly by many.