Someone knows how to create each week your start date and end date, something like this:
date,year, week, date_initial, date_end
x, 2016,1, 01/01/2016, 01/02/2016
x, 2016,2, 01/03/2016, 01/09/2016
x, 2016,2, 01/10/2016, 01/16/2016
add to my master calendar these two fields date_initial, date_end....
