A complicated formula, based on the Catholic Church calendar and the date of Easter Sunday, determines the date of Mardi Gras. The earliest it can be is February 3. The latest date for Mardi Gras is March 9.

• February 5, 2008
• February 24, 2009
• February 16, 2010
• March 8, 2011
• February 21, 2012
• February 12, 2013
• March 4, 2014
• February 17, 2015
• February 9, 2016
• February 26, 2017