Traditionally, the groundhog is supposed to wake up on February 2, and come up out
of his burrow. If he sees his shadow, he will return to the burrow for six more weeks
of winter. If he doesn’t see his shadow, he remains outside and starts his year, because
he knows that spring has arrived early. In the U.S., the “official” groundhog is kept in
Punxsutawney, Pennsylvania and is called “Phil.” Though not based in science, it is a fun
US tradition. The movie, starring Bill Murray is hilarious!