“T.G.I.F. One day of the week can mean an extra $5,000 in a home-seller’s pocket. Last year, homes listed on Fridays sold for 99.1% of the seller’s original asking price, the highest percentage of any day of the week”. Homes listed on Fridays also sell the fastest.
This is per The Wall Street Journals article dated February 7, 2013.

Go to http://online.wsj.com/article/SB10001424127887323701904578278372210330096.html to read the entire article.