Carry out the following steps:
Make sure that you've activated the advanced permission mode.
Go to the Sitemap and click on the page that you want to appear during a specified period only.
Click on Set Permissions once again.
Change Currently Viewing to Timed Release Settings and you should see the following screen:
Select Manually in the top left drop-down Set; the controls should be enabled now.
Enable the two checkboxes in the row of Guest and specify the period between the page is supposed to be accessible.
Click on Save.
By enabling the advanced permission mode, you've gotten the possibility to add timed release settings to your pages. We restricted the guest access for a page. This could be used if you wanted to give paying members early access to your content.
It also helps you if you need several days to prepare a page. Create the page, add some content, send a link to management and once you've got the confirmation,...