When is Mardi Gras? Why Fat Tuesday is celebrated, the origins of the holiday
The Carnival season, or Mardi Gras season, officially begins on Epiphany, Jan. 6, and lasts through Fat Tuesday.
Watch Mardi Gras 2025 livestream replay: See celebrations throughout New Orleans
Watch as Mardi Gras celebrations take place throughout New Orleans on Tuesday, March 4, otherwise known as Fat Tuesday.