It can fall on any day
August 10 2004 was on a Tuesday.
August 14, 2004 was a Saturday.
August 5, 2004 was a Thursday.
August 7 2004 was on a Saturday.
August 27th, 2004 was a Friday.
August 2, 2004 fell on a Monday.
August 17, 2004 fell on a Tuesday.
August 5th, 2004 fell on a Thursday.
August 4, 2012 will fall on a Saturday.
August 1, 2015 will fall on a Saturday.
21st January 2004 fall on a Wednesday.