National Cheesecake Day is observed in the United States on July 30.
It is one of the many unofficial food observances listed on American food-day calendars. Unlike holidays established by federal law or a presidential proclamation, National Cheesecake Day is generally treated as a promotional and cultural observance rather than a legal public holiday. Restaurants, bakeries, and grocery brands often use the date for discounts or cheesecake-themed promotions.
The date is easy to confuse with other food observances in July. National Ice Cream Day falls on the third Sunday of the month, while National Cheesecake Day has a fixed date: July 30. The observance also does not identify one particular recipe. New York cheesecake, Japanese rare cheesecake, Basque cheesecake, and many regional varieties can all be celebrated.
Cheesecake itself has a much older history than the American observance. Ancient Greek writers described cheese-based cakes, while modern American versions commonly use cream cheese and a crumb crust. The July date therefore commemorates the dessert broadly, not a single inventor or style.