When Is Mardi Gras 2025 Dates In Vegas. Fat tuesday is the last day of the carnival season as it always falls the day before ash wednesday, the first day of lent. Parades will begin in many locations in january.

Mardi gras, or “fat tuesday,” has its roots in ancient roman and. Following up on their previous announcement of event dates for mardi gras, universal orlando has released the full concert lineup: