Wednesday
September 23 1998 was on a Wednesday.
It was a Thursday.
December 23 1972 was a Saturday.
May 23 1972 was on a Tuesday.
September 23, 1938 fell on a Friday.
September 23, 1988 fell on a Friday.
September 23th, 1950 was a Saturday
September 23, 1986 was a Tuesday.
Thursday
It was a Wednesday.
July 23, 1972 fell on a Sunday.