It was a Monday.
7 December 2009 will be a Monday.
20th of December 2009 is a Sunday.
8th December 2009 is a Tuesday.
December 4 2009 was a Friday.
December 14 , 2009 was a Monday.
December 20, 2009 was on a Sunday.
December 31st, 2009 was a Thursday.
December 26, 2009 was a Saturday.
December 2 , 2009 was a Wednesday.
December 21st 2009 is a Monday.
December 30, 2009 fell on a Wednesday.
December 28, 2009 fell on a Monday.