Saturday.
The first day of spring in 1960 was March 20.
The first day of spring in 1996 is March 20, 1996.
This will be a Friday.
It is a Wednesday.
It is a Tuesday.
March 20 1964 was a Friday.
March 20 1989 was on a Monday.
March 20 1961 was a Monday.
March 20, 1933 was a Monday.
March 20 1967 was on a Monday.
March 20 1959 was a Friday.
March 20 2010 was a Saturday.