When Is Mardi Gras 2025 New Orleans La. The official start of carnival season. Mardi gras next year falls on march 4, about two weeks before st.

Click on the mardi gras krewes below for further information about the krewe and to see their usual route for each parade. Mardi gras 2025 is on march 4th 2025, with the main celebrations happening in the two weeks leading up to the date itself.