Merchants will open a day earlier, and close a day earlier, at this year's Pennsic War than they have in years past.
According to the official Cooper's Lake web page for Pennsic merchants, "The Marketplace opens for business on Monday, August 2nd 2010 7am. Merchants may begin selling at that time. You must be setup and in operation by Sunday, August 8th 2010 7am. The marketplace closes and all sales must cease by Friday, August 13th 2010 11pm."
As in previous years, Midnight Madness is on Wednesday, August 11, from 8:00 to 11:00 p.m.