What is the date of early spring?

Beginning of spring is from February 3rd to 5th in the Gregorian calendar every year. Today, the 24 solar terms are divided according to the "longitude of the sun". When the sun reaches longitude 3 15, it will be beginning of spring. Beginning of spring is the first of the 24 solar terms and the first solar term in spring. Beginning of spring reflects the change of seasons, and the arrival of beginning of spring means that winter has passed and a warm and sunny day is coming.