Not sure how to do it is SSIS off the top of my head, but if you use a SQL Task to do the work for you the following should help:
select dateadd(hh, 7, dateadd(dd, datediff(dd, 0, getdate()) - 1, 0)), dateadd(hh, 7, dateadd(dd, datediff(dd, 0, getdate()), 0))