May 12 2010 was a Wednesday.
Wednesday
Thursday was the day of the week of May 12, 1983
12 October 2010 is a Tuesday.
June 12 2010 was a Saturday.
November 12 2010 was a Friday.
December 12 2010 was a Sunday.
January 12 2010 was a Tuesday.
February 12 2010 was a Friday.
March 12 2010 was a Friday.
July 12 2010 was a Monday.
August 12 2010 was a Thursday.
September 12 2010 was a Sunday.