Groundhog's Day occurs every February 2nd in the United States. According to , when a groundhog comes out of its burrow on this day and sees that it is cloudy, spring will come early. If the groundhog comes out of its burrow and it is sunny, and sees its shadow, winter will for six more weeks and the groundhog will return to its burrow. 

While Groundhog's Day may have first been celebrated in Pennsylvania Dutch country in the early 1800s, it was first celebrated as a in Punxsutawney, Pennsylvania, in 1886. The following year, the town crowned "Phil" as the groundhog of Groundhog's Day. Phil would henceforth be known as Punxsutawney Phil. There have been many "Phils" over the years, but to the Punxsutawney Groundhog Club website, Phil is 131 years old and ! He has been able to live so long because he drinks a formula called "Groundhog's Punch."