Today, the 2nd February was Ground Hog Day. In Europe it was also Candlemas Day (the Feast of the Presentation of Jesus in the Temple).
Now there is a tradition in America that if the humble ground hog emerges from his burrow in sunshine, he/she quickly returns and winter too will return. But if it is a dull day, he/she remains outside on the basis that winter has ended.
Very similar folklore surrounds Candlemas Day, though it does not involve any rodent. It is expressed in England in a rhyme:
If Candlemas Day be fair and bright,
Winter will have another fight;
But if Candlemas Day be dull and drear,
There'll be no more winter in the year
So Ground Hog Day, and Candlemas Day are both celebrated on 2nd February, and in both cases, the weather is seen as being a pointer to the continuation of, or end to the winter.
What is the connection between them?