May 12 2012 is a Saturday.
May 12, 2012 will fall on a Saturday.
September 12, 2012 was a Wednesday.
Thursday was the day of the week of May 12, 1983
It was a Monday.
It will be on a Wednesday.
Wednesday
MONDAY
It was a Wednesday.
On a Friday
September 12th, 2012 fell on a Wednesday.
12 May 1997 was a Monday.
12 May 1898 was a Thursday.