Currently, there is no built-in hook in BuddyBoss for changing the single article post date. However, you can customize this through the BuddyBoss child theme template.

To do this, you'll need to copy the following file from the BuddyBoss main theme:

Then, paste this file into your BuddyBoss child theme, maintaining the same folder structure:

Once that’s done, you can customize the post date markup/date to your liking. Kindly make sure the child theme is activated, or this customization will not work.