You can easily schedule posts days or weeks in advance. For a business site this helps with google ranking, a active site, is a site that google wants to visit.
From a Add a New Post
Step 1 – In the Publish Widget on the right side, Click the Publish Edit link
Step 2 – Select the Month, update the Day, Year and Time as required
Step 3 – Click OK
You will notice that the publish button has now changed to Schedule
Step 4 – Click Schedule