2013 Summer Day Camp Dates In 2013, the Camp Jefferson Summer Day Camp will open on Monday, June 24 and run for a total of nine weeks with the last day of Camp on Friday, August 23.   Camp is open Mondays through Fridays each week in 2013 with the exception of the week of July 2.  Because of the Fourth of July holiday on Wednesday, July 4, Camp will be closed that day. The Camp opens at 7 am for before care services. Camp begins at 9 am and closes at 3 pm each day. The Camp offers after care services beginning at 3 pm and closing at 6 pm each day.