The given date was a Thursday.
That was a Friday.
Saturday
It was a Friday.
Monday
18 September 1947 was a Thursday.
June 18, 1947 was a Wednesday.
18 September 1986 was a Thursday.
September 18, 1951, was a Tuesday.
September 18, 1947 fell on a Thursday.
It was a Friday.
It was a Saturday.
April 18 1947 was a Friday.