Feb. 2, when, according to tradition, the groundhog comes out of hibernation: if it sees its shadow, it supposedly returns to its hole for six more weeks of winter weather
February 2, on which according to popular legend the groundhog emerges from its burrow, prompting the prediction of an early spring if it does not see its shadow or six more weeks of winter if it does.
(plural Groundhog Days)
- (informal) A situation in which undesirable events appear to be repeating themselves in a cyclical fashion.
From the film Groundhog Day.