It was a Sunday.
September 12 1953 was on a Saturday.
February 12 1953 was a Thursday.
November 12, 1953 fell on a Thursday.
Monday
January 12th, 1953 fell on a Monday.
April 12 1951 was on a Thursday.
April 12, 1987 was a Sunday.
April 12 1938 was a Tuesday.
April 12, 1984, was a Thursday.
Wednesday
April 12 1948 was a Monday.
That day was a Saturday.