On a Friday.
It can fall on any day
August 1 2007 was a Wednesday.
August 29, 2007 was a Wednesday.
August 21st, 2007 was a Tuesday.
In the year 2018 all dates fall on same day of week as they did in 2007.
August 4, 2012 will fall on a Saturday.
August 1, 2015 will fall on a Saturday.
August 15, 2007 fell on a Wednesday.
August 12, 2007 fell on a Sunday.
August 13, 2007 fell on a Monday.
August 1 2009 was on a Saturday.
It was a Thursday...