September 12th, 2006 fell on a Tuesday.
September 12th 1933 was a Tuesday.
September 12th 1967 was a Tuesday.
It was a Sunday.
The one ending in -day
September 12th 2010 is a Sunday.
September 12th 2001 was a Wednesday.
September 12th, 2005 was a Monday.
Saturday
September 12, 1946 was a Thursday.
September 12, 1957 fell on a Thursday.
September 12th, 2012 fell on a Wednesday.
September 12th, 1984 fell on a Wednesday.