Babylon Parade Parade Route New Orleans, LA February 16, 2023 5:30pm For More Information About This Event, Email press@mardigrasneworleans.com Or Visit www.mardigrasneworleans.com. Mardi Gras carnival season begins on Twelfth Night. Carnival season is annual and always starts the day before Ash Wednesday which is the first day of Lent. Fat Tuesday is the last day of Carnival season. Mardi...