September 30th, 1012 fell on a Wednesday.
30th September 1946 was a Monday.
September 30th 1990 was a Sunday.
30th September 1950 was a Saturday.
September 30th 1958 was a Tuesday.
September 30th, 1989 fell on a Saturday.
September 30th, 2002 fell on a Monday.
September 30th 2013 is going to fall on a Monday.
Wednesday
It was a Friday.
Tuesday
September 30, 1952, was a Tuesday.
1 day... is 1/30th of the month of September.