When Is Mardi Gras 2025 Fat Tuesday. Mardi gras known as shrove tuesday or fat tuesday falls annually on the day before ash wednesday (start of lent). Parades will begin in many locations in january.

Parades roll through new orleans throughout the carnival season, but the biggest, most elaborate and most exciting parades happen during the last weekend of mardi gras through fat tuesday, which is exactly when our tour takes place! For 2025, fat tuesday falls on march 4, three weeks later than 2024’s feb.