Here is an interesting article on CNBC.com that talks about the best month & day to list your home. In Washington DC Area, the study concluded that the best month to list your property is April, more precisely mid to late April. The study also found Thursday to be the best day of the week to list, likely attributed to potential buyers home shopping on the weekends.
http://www.cnbc.com/2016/03/22/the-best-month-and-dayto-list-your-home.html