March 4, 2025 – Mardi Gras (Fat Tuesday). January 6 – Carnival season celebrations begin on this date each year, continuing through midnight on Fat Tuesday. Facts ...

CNN Editorial Research (CNN) — Here’s a look at Mardi Gras, a celebration held the day before the fasting season of Lent begins on Ash Wednesday. March 4, 2025 – Mardi Gras (Fat Tuesday ...