When Is Mardi Gras 2025 Dates. In 2024, mardi gras falls on february 13, while in 2025, it will be celebrated on march 4. 6, and concludes on mardi gras, tuesday, march 4.
Carnival (the same thing as mardi gras) dates back thousands of years to pagan festivals of spring and fertility. Mardi gras day is march 4, 2025.