What's the date of beginning of spring 1997?

According to the calendar, it is known that 1997 is Tuesday, February 4th, 2007 in beginning of spring. Beginning of spring, the first of the 24 solar terms, is the beginning of a year in the official calendar, the beginning of everything, representing the meaning of the beginning of everything and the rebirth of everything. Twenty-four solar terms were originally formulated on the basis of "variable stars". When the bucket handle of the Big Dipper points to the shade, it is beginning of spring.