The various dates are confusing. There are three date fields for each job listing. At the very top is a Date Posted . This is straightforward and defaults to today's date. Near the bottom are two other dates.
Date Closes shows up as part of the job listing, and tells the user when the job search closes.
By default, the system supplies a date two months down the road, but you should change it to whenever your particular application window closes. If you are running an open-ended job search, simply leave it blank. Date Expires is a little different. The system also supplies a default date two months down the road. But this information doesn't show up for the user.