When Is Mardi Gras 2025 Dates And Locations. Mark your calendars for the exciting mardi gras festivities on tuesday, march 4th, 2025. The official start of carnival season is marked by twelfth night, which is jan.

Events and activities are subject to change without notice. Mardi gras, fat tuesday, will next be celebrated in louisiana on tuesday, march 4, 2025.