Marti Di Gras Day 2025. Fat tuesday is the last day of the carnival season as it always falls the day before ash wednesday, the first day of lent. Mardi gras day is march 4, 2025.

Click on the mardi gras krewes below for further information about the krewe and to see their usual route for each parade. Mardi gras, also known as fat tuesday, is traditionally celebrated the day before ash wednesday, marking the beginning of lent in the christian calendar.