You can schedule blog posts to automatically publish themselves at any time in the future. If you want to remove an already published post and automatically republish it at a specific time/date in the future, the directions are the same:
In the Publish module to the right of the post editor, click Edit in blue next to Publish immediately.
Set the future date/time when you want the post to publish itself and click OK. To schedule a post in the PM, you will need to use the 24-hour clock. For example, 1:00 PM would read as 13:00 in the Schedule a Post module.
Instead of Publish immediately, it will now say Schedule for: followed by the date and time you specified, and the button has changed from Publish to Schedule.
Click Schedule. At the exact date/time you set, your post will automatically be published for visitors to see.
Un-scheduling a Post
If you’ve scheduled a post to be published in the future, but changed your mind and want to publish it immediately, head back to the Edit Post page for your scheduled post.
In the Publish module, click on the “Edit” link next to the date for which you’ve scheduled your post.
Then, enter today’s date and time as your scheduled post time and click on “Ok.” When finished, click on the “Schedule” button and your post will be published immediately.