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When is Groundhog Day celebrated in the United States?

Groundhog Day is celebrated on February 2nd in the United States and Canada. The emergence of the groundhog (woodchuck) from its burrow is said to foretell the weather for the following six weeks. According to tradition, if the day was sunny and a groundhog saw its shadow, six more weeks of winter weather remained. If, however, the day was cloudy, it was a sign that the weather during the following weeks would be mild, leading to an early spring.