Twelfth Night 2025 New Orleans Dates. Mardi gras day is march 4, 2025. The next mardi gras day is on march 4, 2025.

Mardi gras is a vibrant and colourful annual carnival held in either february or march in new orleans. Fat tuesday is the last day of the carnival season as it always falls the day before ash wednesday, the first day of lent.