Mardi Gras 2025 Date Fat Tuesday. Mardi gras 2025 falls on tuesday, march 4, 2025. While mardi gras officially takes place on fat tuesday—the day before ash wednesday, which marks the start of lent—in new orleans, annual mardi gras festivities start weeks beforehand.
Mardi gras 2025 falls on tuesday, march 4, 2025. Mardi gras known as shrove tuesday or fat tuesday falls annually on the day before ash wednesday (start of lent).