Oops, it doesn't look like 'uggggh i need to go on a diet day' is a national day..

Other days

Hiv Awareness Day

Tulip Day

Ask Out Your Crush Day

Kale Day

African Immigrant And Refugee Hiv And Hep Awareness Day

First Love Day

Appreciate Yaself A Lil Extra Day

Pick Me Day

Camera Day

Fiancee Day