Thursday was the day of the week of May 12, 1983
It was a Sunday.
Wednesday
It was a Saturday.
Monday
September 12th, 2005 was a Monday.
That date was a Friday.
June 12, 2005 fell on a Sunday.
12 May 1997 was a Monday.
12 May 1898 was a Thursday.
May 12, 1990, was a Saturday.
May 12 2012 is a Saturday.