What Date Is Fat Tuesday 2025. Mardi gras day is 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.
The gcca parade rolls at 1 p.m. The date of fat tuesday varies each year as it is determined by the date of easter, which is the first sunday after the first full moon.
