Social Posts will display the Post On date which will indicate the date/time the post was posted. That date/time can be the actual date/time that it was posted or on version 11.1+, the date/time that it is scheduled for in the future. You will also be able to see the Social Network and associated Campaign. If you want to view or edit the record, click the View Full Record link in the top right of the pop-up.
Feature Added: 9.20.0
Feature Updated: 11.1.0