Click the Publish button on the top right of the page, next to Preview. This will open the publish modal.
In the quick date drop down, choose Schedule New.
Change date and time according to when you want to schedule. If you are back-dating, you can choose a day/time in the past.
Slug is autogenerated or you can edit the slug yourself.
Click publish. The status of the content will change from draft to scheduled in the content history.
**Note: If you need to make changes to an already scheduled update that is not live yet, make your edits and then choose the same time as the scheduled update. You can easily select this time in the Quick Date dropdown picker.