When Is Mardi Gras 2025 Fat Tuesday. When in 2025 is mardi gras (fat tuesday)? Unlike christmas or the 4th of july which always fall on the same calendar day, the only thing you can.

Fat tuesday around the world; Find out the date when mardi gras (fat tuesday) is in 2025 and count down the days until mardi gras (fat tuesday) with a countdown timer.