Pi Day π (pi) is observed on March 14 (3/14 in the month/day format) since 3, 1, and 4 are the first three significant digits of π.
Pi (π) Day has become an international holiday, celebrated live and online all around the world.
What is pi anyway? Divide any circle’s circumference by its diameter; the answer (whether for a plate or a planet) is always approximately 3.14, a number represented with the Greek letter π. Mathematicians have been calculating π’s digits with more and more accuracy and have discover they go on literally forever, with no pattern.
Groundhog Day, is a popular North American tradition observed in the United States and Canada on February 2. The weather lore was brought from German-speaking areas where the badger (German: Dachs) is the forecasting animal. This appears to be an enhanced version of the lore that clear weather on the Christian festival of Candlemas forebodes a prolonged winter. As the tradition goes, if a groundhog emerges from its burrows on this day and sees its shadow due to clear weather, it will retreat to its den and winter will go on for six more weeks; if it does not see its shadow because of cloudiness, spring will arrive early. While the tradition remains popular, studies have found no consistent association between a groundhog seeing its shadow and the subsequent arrival time of spring-like weather. In the U.S , the most popular Groundhog ceremony is held at Punxsutawney in western Pennsylvania, centering on a semi-mythical groundhog named Punxsutawney Phil. Other cities in the United States and Canada also have adopted the event. More
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