It was a Sunday.
May 15, 1963 was a Wednesday.
November 15, 1963 fell on a Friday.
August 15, 1963 fell on a Thursday.
June 15 1963 was a Saturday.
Sunday
Friday
Friday
Tuesday.
15 September 1951 was a Saturday.
September 15 1983 was a Thursday.
September 15 1986 was a Monday.
September 15 1997 was on a Monday.