Groundhog Day (Canadian French: Jour de la Marmotte; Pennsylvania German: Grundsaudaag, Murmeltiertag) is a day celebrated on February 2. According to folklore, if it is cloudy when a groundhog emerges from its burrow on this day, then spring will come early; if it is sunny, the groundhog will supposedly see its shadow and retreat back into its burrow, and the winter weather will persist for six more weeks.